4TH E 15408 KERR HANSEN 10 4 PLEXES
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VARIf1NCE ~ AP('LICANTS NAMT= ZAA) i-;; C:5
DLDG
OTHER ~ MAILING ADDRL-SS ,
S T 2-:5 , R 44
PARCEL # _,Z-; PHONE - HOMF
ROAD NAME PHONE - WORK
.fi~3~• I~A .
Tlie fotlowing ocumcues ace needed before t6e Spokaae Co nry Enginccr's Department can beg. ~n processtng your
variaacc or building application as appcoved. (509) 456-3600 ~
Y AGREEMEN'T TO PAY
FEES have beea co(lected.
RECORDED COPY OF DEED, DEED OF TRUST, coacract or coaveytng instrument. These may be
obtained from the Couary Auditor, 2nd floor of the Courthouse. _
~1` • • - _
. LEGAI, DESCRIP'TION of your eesesg easemenc.
r
A LISTIIYG OF NAMES of indtviduaLs who will be sig*g the documents. These vndividual names-
should appear as the persoa(s) legally sign their flame.
~ A CURREN'T ASSESSOR'S ZMAP which depicts the location of your properry.
~ OWNERSHIP ITICRO-RLJN. These ma be obtained from t e u
y h Ca nry Assessors, lsc fIoor, of che
Courthouse, Jetf'erson eatrance, 2nd door on the left. ~~-~b The necessary documents will be prepared by the Engineer"s Department, Right-of-Way Section, upon provision of
che i.nformatiou aoted above. You will be notified when the documents are ready for signacure. The documents may
be sent co you, however, IT SHOULD BE NOTED THAT ALL SIGNAT'LTRES MUST BE NOTARIZED. 'Ihe
Engineer's Department does have aotaries avaiiable if you choose to sign the documents at our office.
~ Please call whea ready Please mail when read
Y
Notice to Public 10. ~2 !'b ~ ~ ~ • ~ _ ~ ~ ~(/C• ~ ,
~ Righ -of Way ~
_25 .
COMMENTS
Right-of-Way Agent Forward to you from
Mpftotioc.192
ByBy:
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STATE OF WASHINGTON )
COUNTY OF SPOK:ANE ) ss
I certify that I know or have satisfactory evidence that
(is/me~the individual(§) who appeared before me, and said individual4acknowledged that (hefshefNheyrsigned this
instrument, and acknowtedged it as (his/her/their) free and voluntary act, for the uses and purposes mentioned in the
instrument.
Dated this4al daY o-i Sa%^uo-4-199~~ . .
~
KYLE R. MCKEOK r ~/NOTARY PUBLIC
STAtE OF WASHINGTON In and for the State of Washington,
NOTARY PUBLIC residing at Spokane.
mY Commission Explr" My appointment expires: .
~
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NO. 6 NOTICE TO 7IFiE PUBLIC RID WAIVER, AGREEMENT AND COVENANT: KNOW ALL MEN BY 'I'HESE PR ESENTS, That Lanzce G. Douglass, a married person as his separate property
being the owners of the following described lands in consideration of Mutual Benefits now or to be hereafter derived,
do for themselves, their heirs, grantees, assigns and successors in interest hereby request and authorize Spokane ~
County to include the below described property in a Road Improvement District (RID) and to support the formation :
of a Road Improvement District for improvement of the road(s) described below by requesting and atithorizing
Spokane County to place their name on a petition for formation of a Road Improvement District pursuant to RCW 36.88.050, or by requesting and authorizing Spokane County to cast their ballot in favor of a R]D beiiig formed ,
unde,- the resolution method pursuant to RCW 36.88.030, and/or by not filing a protest against the forn-,ation of a
RID being formed under the alternative resolution method provided for in RCW 36.88.065 and Chapter 35.43 RCW. :
If a RID is proposed for ir~lprovement of the road(s) described below, said owners and successors fiirttier iigree: (1) that the improvements or con'struction coritemplated within the proposed RID are feasible, and (2) that the benefits :to be derived from the formation of theRlD by the property included therein, together with the amount of any
County participation, exceed the coY "and expense of formation of the RID, and (3) tllat the property wittiin the .
proposed RID is sufficiently developed;- provided, themselves, their heirs, grantees, assigns and successors stiall retain
the right, as authorized under RCW 36.88.090, to object to any assessment(s) on the property as a result of the :
improvements called for in conjunction with the focmation of a RID by either the petition or resolution metliod under
Chapter 36.88 RCW and to appeal to the superior court the decision of ihe Board of County Commissioners coqfirming the final assessment roll; provided further, it is recognized that actual assessments may vary from
assessment estimate so long as they do not exceed a figure equal to the increased true and fair value the :
improvement(s) add(s) to the property. It is further acknowledged and agreed that at such time as a RID is created or any county road improvement project
is authorized by Spokane County, the improvements required shall be at the sole expense of tlle owners of property
within the RID or served by the improvements without any monetary participation by Spokane County.
The RID waiver contained in this agreement shall expire after ten (10) years froi» the date of execution below. :
The above conditions and covenant apply to the following described property: .AUESSC)R$ PARCEL NO(S).: 45231.1408
.
the East 2/5 of Tract 134, VERA, according to Plat recorded in Volume "O" of Plats '
Page 30, in Spokane County, Washington; •EXCEPT the East 1/5
EXCEPT Roads
Located in the Northeast Quarter (NE 1/4) of Section 23, Township 25 North, Range
44 East, W.N1., SpokanP County, Washington.
This Agreement applies to the improvement of Fjth AVP_UjjP RF No• 2108
by grading, draining, surfacing, curbing, paving, sidewalk construction including traffic control facilities and related
work.
These requirements are and shalt run with the land and shall be binding upon the owners, their heirs, successors or
assigns.
IN WITNESS WHER.EOF, I have hereunto set My hand(&) and seal(s} this JT\day of
By: By:
v ~
STATE OF WASHINGTON )
COUNTY OF SPOKANE ) ss
I certify that I know or have satisfactory eviaence that .
Lanzce G. Douglass, a married person as his separate property
(isJare) the person(s) who appeared before me, and said person(s) acknowledged that 1,p signed this
instrument, and acknowledged it as his free and voluntary act, for the uses and purposes mentioned in the
instrument.
Dated this day of ~J aV\-.30-r`j , 199 (p .
. . ► /
/
, KYLE R. MCKEON
STATE OF WASHINGTQN
NOTARY PUBLIC _ Nota u~i~
My Commission Expires 8•10•99
. In an d for the State of Washington,
residing at Spokane.
My appointment expires Wc O i~U .
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SPOKANE COUNTY DIVISION OF ENGINEERING
Spokane County, Waehington
. ~
DRAINAGE EASEMENT
The Grantor(e) Lanzce G. Douglass, a married person'as'his sep'arate Property of the County of 9pokana, 9tnte of Waehington, for and in coneicleration of Mutual
eenelite, the receipt of whioh i• hareby acknowlodgod, qrent• to epokano County, a
political eubdi'viaion of the State of Waehington and to the public, a Drainage
Easement over, under, upon and acroae the following deecribed real property
situated in the County of Spokane, State of Washingtons
An exclusive amement arvet and acroas that poriion of the ca,at 2/5 of Tract 134, VP-RA, as recorded in . Volumc "0" af plate, page 30, in the County of Spokane, State of VVashington, exoept the east 115. 'Chie
tasement to be used for retentionldetention vf stormwater, moTe particulary described as follawa:
Beginning at thc northcast corner af said pTOpcrty ; thcnce S.00°09' 13"71. along the cast linc of
said property, a distance of 5.00 feet ta the True Point uf BBgjnning of thie description (said point
being 25.00 feet south of centerline of 4th Avenue); thenct continuing S.00009' 13"B. atong said
east line a distance af 30.00 feet ; thence N.89°58' 13"W. 93.00 feet; thence N_00°09' 13"W.
30.00 feet; thence S.89°58' 13"H. 93.00 feet to theTnw Prnint of Hcgjnning.
, ContainiRg 2,790 s.f., moro or lese. -
The Drainage Easement granted to Spokane County, its authorized agente, and to the.-;
public, ie for the eole purpose of allowing _the , flow of,..- natural drainage . and/or:1
runoff from man made facilitiee*•across and. 'over the lande, described above, and for.. -
the diapoeal of natural drainage and/or runoff from man. made facilitiea in the•:
public right of way upon the lande deecribed above. Spokane County and ite authorized agents are hereby granted the right of ingress.
and egresa to, over and from eaid Drainage Eaeement for the purpoee of inspection
and emergency maintenance of water quality treatment swales (11208" swales) and
other drainage facilitiea, if not properly maintained by the Grantor(e), or their
succeeaors in intereet. Spokane County does not accept the reeponeibility to
inepect or maintafn the Drainage Easements or drainage swales, except for the
drywell located ae described above, nor doee Spokane County accept any liability
for any failure by the Grantor(e), or their. eucceseore In interest, to properly':.
maintain euch areae. ~ _ _ . • . , _ . _ _ . T
The Grantor(e), or their successors in interest, shall be held responaible for
keeping open and maintaining the eurface path of natural or man made drainage flow
over and acroee the property.
The Grantor(s), or their successors in interest, shall maintain all water quality
treatment ewalea (11208" ewalea) and drainage ditchee eituated on the property, and
any portion of a"208" swale aituated in the public right of way adjacent to the
property, with a permanent ground cover ae specified on the„ current approved plans
on f ile at the Spokane 'County Engineer' e,; Office.,:,..: The ; Grantor ( e), or their
successors in interest, may install ;.,.approved, -ehrubbery *and/or trees which;;.do not
obstruct the flow and percolation of -etorm drainage water ,-in the ' _"208" swale rand
drainage ditchee, ae' indicated by the current approved plane on file with the
Spokane County Engineer's Office. .
The Grantor(s), or their successors in interest, or their representatives shall
inform each succeeding purchaser of all Drainage EaBemente on the property and of
their reeponaibility for maintaining eurface drainage pathe and ewalee within eaid
Drainage Eaeemente.
Spokane County doee not accept the reeponsibility of maintaining the drainage
course within Drainage Eaeemente or floodplain areae on the property, nor the
reeponeibility for any damage whatsoever, including, but not limited to, inveree
condemnation to any propertiee due to deficient conetruction and or maintenance of
drainage courees in Drainage Eaeemente on the property.
If the Grantor(s), or their successors in interest faile to maintain the eurface
path of natural or man made drainage flow, or the drainage ewale, a notice of such
failure may be given to the Grantor(e), or their successors in interest. If not
corrected within the period indicated on said notice, Spokane County haa the right
to correct the maintenance failure, or have it corrected, at the expense of the
Grantor(s), or their successore in interest.
Driveway access permits for driveway approachea to the Spokane County road system
are required prior to iesuance of a building permit. This approach ehall be conatructed in accordance with the approved plan 'on file in the Spokane County
Engineer'e Office.
IN WITNESS WHEREOF, have hereunto eet M.~_ hand (,efi' and eeal~,a') this o;Fc day
o f i A%A.v0.V-v 19~.. :
~ ~ .
STATE OF WASHINGTON )
COUNTY OF SPOKANE ) es
I certify that I know or have satisfactory evidence that
Lanzce G. Douglass, a married person as his separate property
is/are the person(s) who appeared before me, and eaid person(B) acknowledged
that t~c_~ eigned this inetrument, and acknowledged it as free and
voluntary act, for the uses and purposes mentioned in the instrument.
~
Dated thie day ot ~R-,veos-y , 19o/ .
KYLE R. MCKEON
STATE Of WASHINGTON
NOTARY aos PUBLIC ''Notary1-ic
Mx CammUsp 19063 8,10.09 , In and. for the State of Waehington,
~ reeiding at Spokane.
' My appointment expirea 77~ ~ q .
stormdel/forms/jp/10
PLEASE TYPE OR PRIN'f ' REAL ESTATE EXCISE TAX AFFIDAVIT ThiS f°rm is yaur receipt when stamped
PLEASE SEE 1tF,VERSE by cashier.
CHAPTER 82.45 RCW - CHAPTER 458-61 WAC
Far Use at County Treasurer's Office
(Use Form No. 84-0OO1B for Reporting Transfers of Controlling Intcrest of Entity Ownecship to the Department of Revenue)
THIS AFFIDAVIT WII.L NOT BE ACCEPTED UNLESS ALL AREAS 1-7 ARE FULLY COMPLETED
~ Name Name -
~ n
~ ~ . - - x ~ ~ . ~ _ _ -
street
w Q Stneet.
City/State/Zip City/StatelZip,
~ ADDRESS TO SEND ALL PROPERTY TAX RELATED CORRESPONDENCE - -ALL'''AX PARCEL NUMBERS
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Ctty/$tatC/Zlp _ . _ - _ • _ • - ' '
~ LEGAL DESCRIPTION OF PROPERTY SITUATED IN 0 UNINCORPORATED - ~ COUNTY ❑ OR IN CTTY OF
Street Address (if property is improved):
~ Is this property currcndy: YES NO ~ Description of tangibte personal prnperty if included in sale (furniture,
'
Classified or designated as forest land? appliances, etc.)
❑ ~
Chapter 84.33 RCW _ . '
Classified as current use land (open space, farm ❑
and agricultural, or timber)? Chapter 84.34 RCW
Excmpt from properiy tax as a nonprofit 0 If exemption claimed, list WAC number and explanation.
organrzation? Chapter 84.36 RCW
WAC No. (Sec/Sub),
Seller's Exempt Reg. No. _ _ _ - - - - - - - ` "
. .T r ~ . ~
Receiving special valuation as historic Explanadon
property? Chapter 84.26 RCW Property 1'ype: C3 land only ❑ land with new building - . _ ` ' ° ~ ~ - ' - n~4- - - • = y~~ - @ ` - - A
Cl land with previously used building O land with mobile home Type of Bocument .
❑ timber only O building only
Date of Qocument _ : " ' _ - - - - • . _ - -
Principat Use: '~1 Apt. (4 + unit) O residential
❑ timber 0 agricultural ❑ commercial/industrial Grass Sale Price $ _
0 other Personal Progerty (deduct) $ " -
~(1) NOTICE OF CONTINUANCE (RCW 84.33 or RCW 84.34) Taxable Sale Price $ _ Excise Tax: State $
If the new owner(s) of land that is classified or designated as current use lAcal $ -
or forest land wish to continue the classification or designation of such
land, the ncw owner(s) must sign below. If the new owner(s) do not desire . Delinquent Eadterest: State
to continuc such classification or designation, all compensating or addi- ' Uca1 $ j
tional tax calculated pursuant to RCW 84.33.120 and 140 ar RCW ~etinquent Penaity• State '
84.34.108 shall be due and payable by the seller or transferor at the time - -
of sale. The county assessor must determine if the land transfertcd qualif~es Total Due $
to continue classification or designation and must so indicate telow; TiiERP, IS A$2.Q0 FEE FOR PR4CESSING TAIS F(DRM IF NO TAX LS DIJE
Signatures do not necessarily mean the land will remain in Classification '
or designation. If it no longer qualifies, it will be removed and the com- a ~ A F F I D AV I T
pcnsating taxes will be applied. All new owncrs must sign. j~rtify under penalty of perjvey under the laws of the state of
This land El daes O does not qualify for continuance. "'Washington that the foregoing is true and correct (See back of this
form).
Date Signature of
DEPUTY ASSESSOR
Grantor/Agen~,.~~~~
(2) NOTICE OF COMPLIANCE (Chapter 84.26 RCW)
- •
If the new owner(s) of property with special valuation as historic property Name (print)
wish to continue this sgecial valuatioa the new owner(s) must sign helow. Date & Place of Signing •If the ncw owncr(s) do not desire to continue such special valuation, all
additional tax calculated pursuant to Chapter 84.26 RCW, shall be due Signature of
and payable by the seller or transferor at thc time of sale. Grantee/Agent •
(3) OWNER(S) SIGNATURE Name (print)
Date & Place of Signing '
P"erjury: Perjury is a class C felony which is punishable by imprisonment in a state coffectional instiltation for a rnaximum term of not
more than five years, or by a fine in an amount fixed by the court of not mnre than five [housand dollars (S5,000.00), or by both imprisonrnent
and fine (RCW 9A.20.020 (1C)).
RFV 84 OOOIa (6-16-95) (PD 6-19-95) FOR TREArrSURER'S USE ONLY TAXPAYER
ssoooolos7
_
CDY TI\~TROY,LIN~ HNT1~~~~
~~~s ranyaz-x ol~° ~zal property ~eficcg tF~~ ~~~~~eir ou ~~quisu~~~n o..' tt~~ codflt~~ufla:rng interest in
enu~~y wiTMh zn inltxcsg gn r-eal propea~~y in ghis sgate? Ef the an swer is yes, the~ ~ransfe~° e;~ ~onty-oll-
bu ~ rx~~~~~~I must anso be reported to g~~ ~~~~~~enti ~~~~nue wathin fgve ~ay~ ~f 6.1111c sale ar,
I~'c~ll-av~ No. 84--CODflIBo
thas es ~~~~~ica"One cynly if 50% or rnor~ ~f corporation 5iu,.A, ~aanerships aSSoC4s`k$P,on9 tirustA or other
,,neity ip¢p-remy a~ tramferred or acquiged within a 12 m~~~h perio1. Please p~~~~ ~o WAC 458-61-0239
which appears ou~ ~evePse of Form No. 84-OOOiBo;.~
INMERE,qT AND IPENALT~~
ine Real 1~,~~~e ',-,s;cise 'Tax is due on the da$e of saHe (date of the deed or c~~~~~~~ sale). A one-
porcen"t Lntei-est is chaa-ged, for ~efir~qu~~t tax payrnz-Int. This is act chagged ~he tax xs
;;~a~d `vitb flr~ 3~~ c~ays og gh~ date of saiee A. ~'ave, ten, and ~wc~n~~ per~.~ag pea~a~~y on , st~te taxes
i-~ AIue from Rhe sz-Her Y$~e taX DS pc.fld rutDre $F'1an 30, 60, or OA dzys past duea T~~~~~ is; a 50 ~~~~ent
peu~~~ty for =nterN,~~afly e~ad~~ ~aym(;nt o~ ~~c tax.
AUDRvT
The Depa~~~nent wf Revenue vvyii conduct audits of the transactions and, if ne~-essary, detennine any
underpayment of the tak. (WAC 458-61-130)
T;, inquflre about the availability of this form in an a➢te~^nale fonrat for the vasual~v inipaflred or a
langL~agn other than Enblish9 call {360} 753-3217.
Rf,`.` ;4 fPB3 t-;9-)5)
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9601230332
NO• 6
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NOTICE TO TIIE PITI3LIC . '
RID WAIVER, AGREEMENT AND COVENANT: KNOW ALL MEN BY THESE PR LSENTS, That
Lanzce G. Douglass, a married person as his separate property
being the owners of the following described lands in consideration ofMutual Benefits now or to be hereafter derived,
do for themselves, their heirs, grantees, assigns and successors in interest }iereby request anci authorize Spokane
County to include the below described property in a Road Improvement Uistrict (ItID) and to support the formation
of a Road Improvement District for improvement of the road(s) described below by requesting and aiithorizing
Spokane County to place their name on a petition for formation of a Road Improvement District pLirsuant to RCW
36.88.050, or by reguesting and authorizing Spokane County to cast their ballot in favor of a R1D beiiig formed
under the resolution method pursuant to.RCW 36.88.030, and/or by not filing a protest against the forrr,ation of a
RXD being formed under the alternative resolution met}iod provided for in RCW 36.88.065 ancl Ctiapter 35.43 RCW.
If a RID is proposed for improvement of the road(s) described betow, said owners and successors furtl,er iigree: (1)
that the improvements or construction contemplated within the proposed RID are feasible, and (2) that ttie benefits
to be derived from the formation of the RIU by the property included therein, togetller with the amount of any
County participation, exceed the co§t and expense of formation of the RID, and (3) that the property within the
proposed RID is sufficiently developed; provided, themselves, their heirs, grantees, assigns and successors shall retain
the right, as authorized under RCW 36.88.090, to object to any assessment(s) on the property as a result of the
improvements called for in conjunction with the foimation of a R1D by eitlier the petition or resolution metliod under
Chaptec 36.88 RCW and to appeal to the superior court the decisioil of the l3oard of County Comniissioners
confirming the final assessment roll; provided further, it is recognized that actual assessments may vary from
assessment estimate so long as they do not exceed a figure equal to the increased tnie and fair value the
improvement(s) add(s) to the property. -
It is further acknowledged and agreed that at such time as a RID is created or any county road improvement project
is authorized by Spokane County, the improvenlents required sliall be at the sole expense of tlle owners of property
within the RID or served by the improvements without any monetary participation by Spokane County.
The RID waiver contained in this agreement shall expire afler ten (10) years fi-oni the date of execution below.
The above conditions and covenant apply to the following described property:
ASSESSnRS PARCEL NO(S).: 45231.1408
the East 2/5 of Tract 134, VERA, according to Plat recorded in Volume "O" of Plats
Page 30, in Spokane County, Washington; '
EXCEPT the! East 1/5
EXCEPT Roads
Located in the Northeast Quarter (NE 1/4) of Section 23, Township 25 North, Range
44 East, W.M., Spokane County, Washington.
. ~ ~ : • s~~ i
~
' yot. ~PAGE 2~ 1 This Ageement applies to the improvement of 6th Aven~iP RF No. 2108
by grading, draining, surfacing, curbing, paving, sidewalk construction including traffic control facilities and related
work. '
These requirements are and shall run with the land and shall be binding upon the owners, their heirs, successors or
assigns.
IN WITNESS 'WHEREOF, I have hereunto set My hand(s) and seai(s} this day of
. By: - BY: .
; STATE OF WASHINGTON )
COUNTY OF SPOKANE ) ss
I certify that I know or have satisfactory evidence that Lanzce G. Douglass, a married person as his separate property
(is/are) the person(s) who appeared before me, and said'-person(s) acknowledged that 1,P signed this
instrument, and acknowledged it as his free and voluntary act, for the uses and purposes mentioned in the
instrument.
Dated this day 199 (p . ~
. ` ► f/
. 1
J'
.
, KYLE R. MCKEON
STATE OF WASHINGTON
' NOTARY PUBLIC -
My Commission Enpires 8-10•99 NOta 11bfiC
In an for the State of Washington,
residing at Spokane.
My appointment expires '5)/(0 LU .
i
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9601240295 ' ,:►.~~~~-ror
)EPUTyY WASH• . '
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-YOI. S PAGE 8 0
. .
SPOKANE COUNTY DIVISION OF ENGINEERING
Spokane County, Washington
DRAINAGE EASEMENT '
The Grantor(e) Lanzce G. Douglasa, a married person'as-his sep'arate Property '
of the County of Spokane, Stnte of Waehinqton, for and in coneideration of Mutual
eenelite, the receipt of which io hereby eokriowlodgod, qrnnta to 8poken• County, a
political subdivision of the State of Washington and to the public, a Drainage
Easement over, under, upon and acroes the following described real property
eituated in the County of Spokane, State of Waehingtonz
An exclusive eastment oveY and acroas that poriion of the eaat 2/5 of Tract 134, VFRA, as recorded in . Volume "0" of p1at8, page 30, in the County of Spokane, State of UVaahington, exoept the eaat 115. 7hie
easoment to be iised for retentionldetention of stormwater, more particulary described as follavus:
Beginning at the northeasE wrner of said property ; thcnce S.00°09' 13"7-. along the east line of
said propeTty, a distance of S.00 feet to the True P+oint of Begjnning of thie description (6aid point
being 25.00 feet south of centerline of Qth Avenue); thence continuing S.00009' 13"E. along said
eaat line a distance of 30.00 feet ; thence N.89°58' 13"W, 93.00 feet; thence N.00°09' 13"W.
30.00 feet; thence S.89058' 13"L. 93.00 feet to the Truo P+oint of Begintung.
, Containing 2,790 e.f.. moro or lese. R.C. Excise Tax Exempt
Date:
S Cou r uref ~
13y'~~ . ~
The Drainage Eaeement granted to Spokane County, ite authorized agents, and to the.:
publ ic, is for the eole purpoee of allowing - the f low of..- natural drainage . and/or.::.
runoff from man made facilities acroee and over the lande deecribed above, and for
the dispoaal of natural drainage and/or runoff from man. made facilities in the•public right of way upon the lands d'escribed above. ~ -
Spokane County and its authorized agente are hereby granted the right of ingress
and egreas to, over and from said Drainage Easement for the purpose of inapection
and emergency maintenance of water quality treatment ewalee ("208" ewales) and
other drainage facilities, if not properly maintained by the Grantor(a), or their
8ucceaeore in interest. Spokane County doee not accept the responeibility to
inspect or maintain the Drainage Easementa or drainage swales, except for the
drywell located as deecribed above, nor does Spokane County accept any liability
for any failure by the Grantor(s), or tbeir. eucceeeore in intereet, to properly':
maintain euch areae. . . -
~
YOL. t818P46E 86(
The Grantor(s), or their successors in interest, shall be held responsible for keeping open and maintaining the surface path of natural or man made drainage flow
over and acrose the property.
The Grantor(s), or their successors in interest, ehall mafntain all water qvality
treatment swalea (11208" ewale$) and drainage ditches situated on the property, and
any portion of a"208" ewale eituated in the public right of way adjacent to the
property, with a permanent ground cover ae epecified on the., current approved plans
on f ile at the Spokane 'County Engineer' e- Of f ice.. The , Grantor ( e)or their successors in interest, may installj.,.approved.;ehrubbery-and/or trees which.-do not obstruct the flow and percolation of etorm drainage water,'in .the ,"208" ewale rand drainage ditchea, ae' indicated by the current approved plana on file with the
Spokane County Engineer'e Office. •
The Grantor(e), or their succesaors in interest, or their representativea shall
inform each succeeding purchaser of all Drainage Easemente on the property and of
their reeponeibility for maintaining eurface drainage pathe and ewales within said
Drainage Easements. • " ° ' ' ' ' '
Spokane County does not accept the reeponsibilit`y"'o'f maintaining the drainage
course within Drainage Easemente or floodplain areas*-ont)'the' property, nor the
reaponsibility for any damage whatsoever, .including,.but not limited to, inverse
, , ~ ~ -
•
condemnation to any propertiea due to deficient conetruction and or maintenance of
drainage courses in Drainage Easements on the property.
If the Grantor(s), or their successors in interest faila to maintain the eurface
path of natural or man made drainage flow, or the drainage ewale, a notice of such
failure may be given to the Grantor(s), or their successors in interest. If not
corrected within the period indicated on eaid notice, Spokane County hae the right
to correct the mai.ntenance failure, or have it corrected, at the expense of the
Grantor(s), or their succeeeore in intereet.
Driveway accesa permits for driveway approaches to the Spokane County road eystem
are required prior to iesuance of a building permit. This approach shall be
constructed in accordance with the approved plan 'on file in the Spokane County Engineer'e Office.
IN WITNESS WHEREOF, ~ have hereunto set '~'1.,~ hand ~ and seal~ this ~ day
o f ~4,A.veX"
19~ . ,
~ ~ .
STATE OF WASHINGTON )
COUNTY OF SPOKANE ) sa
I certify that I know or have eatiafactory evidence that
Lanzce G. Douglass, a married person as his separate property ie/are the person(s) who appeared before me, and eaid person(s) acknowledged
that t-VC ; eigned this instrument, and acknowledged it aB A-l~free and
voluntary act, for the usee and purposee mentioned in the inetrument.
,
Dated thie day ot ~k,,UeorN , 191(~ .
. i. ~
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KYLE R. MCKEON
STATE 0
f WASHINGTON
NOTARY wft PUBLIC Notary(.Ptibl ic
Mr cotam"m ftua 8•to-99 In and•for the State of Washington
l ,
reaiding at Spokane. ' My appointment expiree ~7_7 ~C atormdel/forme/jp/10
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9601240296 JAN 18 AM ~9S
O ANUE
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.tjUIT
5~OKAN OEPUTY~tY wASH.
, YOI. 1. 8 1 8PAGE bul
Assessors Parce: No. 45231.1408
k
SPOK:ANE COUNTY DIVISION OF ENGINEERING
, Spokane County, Washington
RIGHT OF WAY DEED
' 1803
IN THE MATTER OF Fourth Avenue & Sixth Avenue RF jvQ. 2108
KNOW ALL MEN BY THESE PRESENTS, that the Grantor(s)
Lanzce G. Douglass, a married person as his separate property
For and in consideration of Mutual Benefits, grants and conveys to Spokane County, the following described parcel
of land, situated in Spokane County, State of Washington, to-wit:
EQRTIQN OF ASSESSORS PARCEL NO~-1- 45231.1408
~
The South 25.00 feet and also the North 5.00 feet of the West Half '(W 1/2)
' of the East 2/5 Plat of Vera, a5 per plat thereof recorded in Book "O" of
, Plats, Page 30, Spokane County, Washington.
Located in the Northeast Quarter (NE 1/4) of Section 23, Township 25 North,
Range 44 East, W.M., Spakane County, Washington.
ssoooosos7
Exc+se Tax Paid of1
Sade Amt. Pd.
Spolcane Cou _ TrMj
sY/~~?~,~
.i '
rTO HAVE AND! TO HOLD the same, unto the said Spokane County for the purposes of a public road forever.
IN WITNESS WHEREOF, z have hereunto set mv hand(s) and seal fsj thig-1310 day of
' 199~.
• .rr~ . '
, By.By:
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PaGE 8 U
STATE OF WASHINGTON )
COUNTY OF SPOKANE ) ss
I certify that I know or have satisfactory evidence that LLZ-C',G-
(is/am}the individualM who appeared before me, and said individual(4acknowledged that (hefshefthey)'signed this
instrument, and acknowledged it as (hislher/their) free and voluntary act, for the uses and purposes mentioned in the .
instrument.
Dated this4al day o~ c a" ua,r , 199fp . ~v ~
i
KYLE R. MCKEON - ~~NOTARY PUBLIC
r
STATE OF WASHlNGTON In and for the State of Washington,
NOl'ARY - p(Jg~IC, residing at Spokane.
My Commission Expiras g."l99 My appointment expires: .
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SPOKANE COUhTY
NEAP.ING EXAMINER COMMITTEt
F I ND INGS AhD ORDEP,
A. INTROCUCTION
This matter having come before the Spokane County Hearing Examiner
Committee on September 22, 1983 and the members of the Committee present
being Lynn Tennican, Chairperson, Kathy Carstens and Ken Kennedy.
B. PROPOSAL
The sponsor, John Achord, is requesting approval of Preliminary Plat,
PE-1436-83, ACHORD ADDITION, for subdivision of 1.6± acres into 6 lots for
an existing Veterinary Clinic, 4-plexes aad R.O. tVDe o d he '
requesting a rhnnn=_of_Cogg* to th an e ZE-196-78 site-plap
and there being present, e following applicant or represen a i .
Rob Hiqgins
C. FINDINGS OF FACT
1. That a Conditional Use Permit, CUE-99-75, was approved viith
conditions to allow veterinary clinic on this property and later
CUE-99A-75 granted the treating of large animals.
2. That the property was zoned for Residential Office (RO) through
application ZE-196-78 in 1978.
3. That a condition of complying with a"site-plan" was added to
ZE-196-78 approval.
4. That neither the "site-plan" nor the zone change can provide for
separate ownerships of the land, since subdivision laNrs address the
division of land for transfer of separate ownership.
i
5. That the sponsor is attempting to create properly recorded lots that ~
comply with local and state subdivision laws.
6. That the ZE-196-78 zone change to RO and the CUE-99A-75 Conditional
Use Permi t for the 1 arge ar► imal veteri nary cl i nic, both have
established the land-uses allowed on this property.
7. That since Preliminary Plat Lot 2 was being proposed as less than current requirements of the R.O. zone a joint hearing with the
Spokane County Zoning Adjustor was held to expedite a subdivision
decision; whereby, the Zoning Adjustor could grant the Hearing
Examiner Committee a"variance" for the preliminary plat from the
Zoning Ordinance if necessary.
' ~ r
. ~
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.
September 22, 1983 Pe-1436-83
Findings & Order Achord Addition
8. That the September 22, 1983 hearing was contined by the Hearing
Examiner Committee and Zoning Adjustor to allow the parties of record
time to negotiate the location of Lot 2's lot lines.
9. That the Zoning Adjustor under his own set of Findings and Order and
Decision, VE-173-83 and CUE-99-75, did not grant a variance from the
125 f t. road frontage requirements of veterinary clinics in the R.C.
zone for Lot 2.
10. That ttie Zoning Adjustor did require the additional land to be added
on the north side of Lot 2, to among other reasons, providE for
buffering and additional land to assure vehicular traffic Vlith
trailers to travel along the north and rear of the clinic.
11. That the Hearing Examiner Committee concurred with the Zoning
Adjustor's suggestion that the lot lines of the Preliminary Plat for
Lots 3, 4& 5 be adjusted northward for 101.1 ft. x 118.8 ft. each
and Lot 6 comprising the remaining area (88± ft.).
12. That the Zoning Adjustor did grant a 150 sq. ft. "variance" from the
15,000 sq. ft. requirements of the R.O. zone for veterinary clinics
on Lot 2.
13. That the Hearing Examiner Committee adds as findings the in~ormation
contained in the September 22, 1983 Staff Report and the
September 26, 1983 AddQnaum to this Staff Report.
14. That the owners of adjacent lands expresseu neither approval nor
disapproval of the proposed use.
15. That we have visited the site or reviewed aerial photographs. 16. That the provisions of RCW 43.21C (The State Environmental Policy
Act) have been complied with.
17. That the proposal was properly advertised for public hearing.
18. The Nearing Examiner Committee finds the proposed use is nat
detrimental to the general purpose or otherwise harmfui to the public
health, safety, and welfare.
D. SPECIAL CONDITIONS OR CONTINGENCIES APPLICABLE TO THIS DEDISION:
~ -
Those conditions as listed in -the September 22, 1983 STAFF REPORT.
~
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• v y
September 22, 1983 Pe-1436-83
Findings & Order Achord addition
E. ORDER
The Hearing Examiner Committee pursuant to the aforementioned, finds that
the appl icati on of prel imi nary pl at PE-1436-83, ACHORD ADDITIOhJ and
change-of-condi ti on to ZE-196-78 i s hereby APPR0VED.
Motion by: Ken Kennedy Seconded by: Kathy Carstens
Vote : UNANIMOUS
Lynn Tennican - Aye
Kathy Carstens - Aye
Ken Kennedy - Aye
HEARIPJG EXAh1INER COMNITTEE
HEREBY ATTEST TO TNE AB01lE
FINDINGS, ORDER, AND VOTE.
4
nai'rp,ers9n
/
/
. /
ATTEST:
JOHN NUNNERY
Subdivision Administrator
By :
Date :
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JN/vr
3
. , 4TH E 15408 -
.
DATE FiNALED ENGINEER' 5 REVIEW SHEET
_ CHECK WHEN LOGGED IN F7NAL
BLDG. PERMIT # -or -FILE# P05032-195
Related File # ( ZE-196-78)
Date to Review 3-1-95 Time 11:00 # PRE-APPLICATION
Date to AA & DR Time
Date Received 2-9-95
Project Name KERR HANSEN TEN 4 PLEXES No. Lots No.Acres
Section - Township - Range
SITE ADDRESS 4TH E 15408/'W SULLIVAN PARCEL # 23541-1408
Applicant's Name JEFF SPRING Phone # 206)869-1089
Address 16544 NE 79TH-REDMOND WA 98052 WOrk #
Date Conditions mailed
Contact person Phone #
FLOOD ZONE -V NO W S SCHOOL
Engineer / Surveyor's / Architect's Name
Planning Contact Person Phone # 456-2205
Date Submitted Description Initials
, AGREEMENT TO PAY OR PRIORITY FEE COMPLETED & COPY TO ACCOUNTING~~
/ / FINAL PLAT FEES COMPLETED & COPY TO ACCOUNTING
NOTICE TO PUBLIC # 1 3 4 6 COMPLETED - OR NEEDS TO BE SIGNED
(o DESIGN DEVIATION SUBMITTEB~~~~ ~ o Lr T`°; l•°~ C~
ALTERATION TO PLAT - BLOCK `&-L- OTS - - - '
BOND RELEASED -ROAD & DRAINAGE IMPROVEMENTS
HEARING EXAM _APPROVED _DENIED _APPEALED BBC / PROJECT _APPROVED _DENIED
ArL lBqD ~~Z ~ y Pit )e
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ENGINEER'S 1ZEVIEW SHEET
Date Submitted Description Initials
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PROJECT NUMBER= 95009793 C APPLICATION DATr 11/27/95 PAGE= 01
THIS IS NOT`A PERMIT
PENALTIES WILL BE ASSESSED FOR COMMENCING WORK WITHOUT A PERMIT
SITE STREET= 15408 E 4TH AVE #A PARCEL#= 45231.1408
ADDRESS= VERADALE WA 99037
PERMIT USE= (20) UNIT APARTMENT COMPLEX - BLDG "A"
PLAT#= 002751 PLAT NAME= VERA
BLOCK= LOT= ZONE= UR-22 DIST#= F
AREA= 00000000 F/A= F WIDTH= 128 DEPTH= 647 R/W= 60
# OF BLDGS= 2 # DWELLINGS= 40 WATER DIST = VER.A
OWNER= DOUGLASS, LANZCE PHONE= 509 483 6532
STREET= 815 E ROSEWOOD AVE
ADDRESS= SPOKANE WA 99208
CONTACT NAME= BRIAN FARWELL - INDEPENDENT.DS PHONE NUMBER= 509 456 7518
BUILDING SETBACKS: FRONT= 98 LEFT= 15 RIGHT= 24+ REAR= NA
REVIEW INF.ORMATION
DEPARTMENT REVIEW REQUIREMENT
BUILDING REVIEW COORDINATOR - C FRAZIER COMMENTS:
BUILDING PLAN REVIEW REQUIRED
- ` .
!
COMMENTS :
BUILDING SEWER PERMIT PENDING
COMMENTS : Q {L -(0 I S S -t-`ff Ql-4i 17 /.~\js Q L /~'a ►F ~ ~
BUILDING ZONING/SITE REVIEW
COMMENTS:
-
ENGINEER APPROACH/FLOOD PLAIN/DRAINAGE COMMENTS: . „
ENGINEER . SITE DRAINAGE TO BE REVIEWED COMMENTS :
. ' ' .
HEALTHDIST NEW OR ADDITIONAL WASTE WATER .
~
r
REPO1tT OF 3/1/95 PRF-APPLICAVION CONFERI3NCE
15408 E. 4t6 Avc - 10 - 4-plexes
I NAME I ADDRESS I CITY I STATE I ap I PHONF I CONI'ACT
OWNER I Kerr Hansen Corp. 1204 S. 348th St. Suite 2 ~ Federal Way ~ WA ~ 98003 I ~
COM'RACTOR I Kerr Hansen Corp. 1204 S. 348th St. Suite 2 ~ Federal Way I WA I 98003 I I
ARCHTTECT I Je!( SpringlDDI Arch 19601 N. Division St I Spolsane I WA ~ 99208 I 467-6200 ~ X
PROJECT OVERVIEW
Applicant proposes to construct 10 4-plexes with covered parking stalls. Applicant anticipates hiring out for grounds keeping work to be
done. At some time in the fUture, ovmer may convert apartmenis into condos to be sold separately.
SL:R'vIIvIARY OF PROPOSED
occv-
I.AND USE TANP CONSI' F[RE
TARCFl. ZONE ACI70NS 1YtE BUiT.DIlIG USE SQ_FI'. GROiJt TYPE PLOW WA'I'Eit TURVHYOR / lHONB
45231-1408I UR-22 I PE-1436-831 NEW IApeRments 3,780 I R-1 I VN I 1,500 IVoraWaterDistrict
I I ZE-196-79C I I I I I I
DISCUSSION TOPICS
(ctert(icalions, eddiUons, and corredtons lo written comments)
ZONING (BUILDING DEPARTMENT) (456-3675) CONTAGT: BILL BENISH
* Written comments were prepared & a copy given to the applicanG
• 2 bicycle racks are required at this site.
* Parking indicated on site plan is adequate. 5% of that parking is to marked as guest parking.
• 6th Avenue could become a flanking street and would then require 20ft of Type III landscaping.
ENGINEERING 8t ROADS (456-3600) CONTACT: PAUL LENNEMANN
* Written comments were prepared & a copy given to the applicanL
* All conditions of Zone Change ZE-196-78C will still apply to this projecL
* To access Sth waould require (1) change of conditions (as site plan approved through zone change illustrates a fence) (2) vacation of
lft strip running norih and south. Contact John Pederson - County Planning at 456-2205.
' No access will be allowed onto 6th Avenue unless coordinated with landowner(s) to south of site.
* Contact Paul Lennemann regarding different options conceming access to public Right of Way. .
HEAI.TH DISTKIGT (324-1560) CONTACT: DARYL WAY
* Connection to public sewer and water are required.
• Coordinate with local refuse company on placement of dumpster(s).
• All construction debris shall be disposed of at a licensed solid waste disposal facility. No on-site burial or burning will be percnitted.
* Critical Materials List is required for this site.
• The County Health District released their portion of this permiL
FIRE DISTRICI' NO. 1(928-2462) CONTACY': PAUL CHASE
* Written comments were prepared & a copy given to the applicant
' 24 foot access aisle with signage every 20 feet will be required for an adequate fire access lane
• 2 fire hydrants are required for this site. Contact Fire District for placement.
DIVISION OF BUILDINGS (456-3675) CONTAGT: TOM POSTLEVNAIT
* Written comments were prepared & a copy given to the applicant.
* For information on the Americans with Disabilities Act, call 1-800-435-7232.
• Submit revised site plan verifying accessible route of travel from each building and accessible parking.
* Project must comply with NREC.
SfE RFVERSE FOR PERM/T RELEASE REO{JIREMENTS
•w
t
~ 1'CRMI`C RCLL7ASG REQUIRGML7N'TS
~1ae submit scven (7) sets ot reviscd sitc, drainage, »nd landscape plans plus lhree (3) conip/cte scls of construction drawings to
J~e Deparlmcnt ot Buildings for ack-no►v/dgenienl and distribulion lo aU lhe appropriaJe agencies. In order tor all agencies
Ito expediliously process your projecl, it is importanl Ihal submitJals include al/necessary drawings and documenls ro insure
~ that review olyour project is caulp/elcd in the least amount ot (ime. Docwnents should itrclude: building address and legal
deuription ot property.
Spokane County's Project Review Coordinator will be Carol Frazier at the Div. of Buildings (456-3675).
I PLANtv'ING I ENGINr-_[3t~ tiLALTT-I I FIRE I BUILDIr'GS
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1 Bicycle racl:s (location St numbcr) ~ x
21 1 Building height in storics & [eet ~ x
31, 1 Clear view trianRle at ingressJcgress ~ X
41 I CurbinR around landscaping ~ X
51 1 Dimension travel lanes ~ X
61 1 Exterior IiRhtinq/direction of illumination ~ X
71 1 Exterior refuse areas + screening ~ X
81 1 Exterior storAge areas ~ X
91 (Fence location, heiRht, & type ~ a
101 I Landscaping of parking lot ~ 7( ( I ~ ~
111 120 feet Type JII landscaping along 4th and Gth Ave ~ X
121 15 feet Type III landscapung along any UR-3.5 zoned properry ~ X
131 1 Landscaping (location, species, size) ~ X
141 1 Parcel boundary dimensions & IeRal description ~ X
151 1 Building coverage calcutations ~ X
161 1 Parking & traffic circulation plan ~ X ~ X
171 1 Parking stalls (number, striping, dimension, directional arrows) ~ X
181 1 PavinA ~ x
191 1 Setbacks ~ a I ~ ~ I I
201 1 Signage (location, height, 8r. square lootage) ~ X
211 1 Traffic control deviccs ~ x
221 1 Turn around for dead end parking stall ( X
231 ( Utility location x
241 1 Drainage/slope of loading dock and/or roofs X
251 1 Drainage plan (swales, drywells, calculations) X
261 I Driveways & all road approaches x
271 1 Road plans x
281 ~ Set aside for future road improvements X
291 1 Fire hydrants (location dt number) X ~
301 1 Fire lanes/access 7{ I
31 Handicap parF:ing stalls & accessways (into c@ within bldg) X
.....~~:•.::.;•:::::•::::•:•:r.:~~:.~:::::::::.~.~:::.~::.~:::.:.......r:•:::::•::: ::.._..;.1..,.
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321 1 Irrigation system plaos ~ X
331 ( Nursery estimate ~ X
341 , Promissory letter for landscape requirements ~ X
351 1 ARreement to pay fees & minimum requircments list X
361 1 Approach permit for access to county roads x
371 1 Recorded property deed x ~ I I
381 1 Right of way dedication X
391 1 RID Agreement for futurc road improvements X I ~ I
401 1 Road plans X
411 1 Critical Materials list x ~ I x
421 1 Special Inspection forms
431 1 Special NREC Plan Reviewer/Inspector 7(
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• . ~':f.5h•.~•.`~.,'~.~::'.:.!.•.!.•:.'tir~.:.!.: •'...::.1:'. •.1'f:~l~{yll.ti:.{~ •:JJ.. ..•:.~':f:...l.V............•.
441 1 Barrier-Free Requirements (WAC 51-20) }C
451 1 DcsiRn specifications of exist ing/propose d building X
461 I Electrical details
47 Energy details/calculations & heal loss X
48 !HeatinA, ventilation & air conditioning drawings X
491, 1 Lighting budgels }t
501 1 Plumbing details x
511 1 Structural drawings with wet stamps & calculations X
Signature of Coordinator 0 akoLJAq aiwv Signature ot Plan Reviewer
Project No:
-
Page 1
OFFICE OF THE COIINTY ENGINEER
SPOKANE COUNTY, WASHINGTON
Project: Kerr Hansen 4 plexes Date:3-1-95
Address: 15408 E. 4th. Ref No.B95032
Parcel No:45231.1408 Review Pre App
The County Engineering Department has completed a review of
the above referenced project. The following information must be
provided in order for us to proceed with our review.
A) For any new impervious surface area a drainage plan
for the site shall be prepared in compliance with
Spokane County "Guidelines for Stormwater Management". At
a minimum the plan must contain:
1. Drainage calculations for stormwater volumes
generated on site.
2. Calculations for total impervious surfaces
contained within the site.
3. Finished grade elevations for structures to be
constructed on site.
4. Finished grade elevations at the top and bottom of
the 208 swale.
5. A typical cross section of the 208 swale.
6. Calculations to justify the number and type of
drywells proposed.
7. Elevation of drywell inlets where applicable.
8. Copy of the proposed landscape plan.
B) The subject property is affected by the "Findings and
Order" and the "Conditions of Approval" for the following
land use action:
Spokane County Zone Change No. ZE 196.78C
C) The following improvements within adjacent Right of Way
are required prior to the release of a building permit:
1. You must submit road and drainage plans for street
improvements. These must be prepared by an
engineer. Plans must be prepared for the following
streets:
a. 4th Ave Typical Roadway Section #1
All required construction (sidewalk/curbing/pavement) within
the Public Road Right of Way is to be completed prior to the
release of a building permit or a financial guaranty in an amount
estimated by the County Engineer to cover the cost of
construction or improvements shall be filed with the County
Engineer. Required plans are to be submitted prior to estimating .
the amount of the financial guaranty or permit release.
2. As an alternative to the required road improvements
on 6th, and 5th, the County will accept an RID/CRP
agreement "Notice to Public No. 6" on the property.
Page 2
. ,
3. Applicant shall dedicate 5 feet on 4th and 25' on
6th for Right of Way.
4. Please submit a copy of a recorded property deed
from the Auditors office for the subject property.
Upon receipt of the deed our staff will prepare the
right of way deed and/or the RID/CRP agreement.
5. Approach permits must be obtained, after a site
plan has been approved, and before the issuance of
a building permit, from the County Engineering
Department for any new or improved driveway
approaches to the following streets:
a. 4th ave.
D) Insuff icient information was submitted with the proposal.
We are unable to proceed with our review. We will need
the following before we can proceed:
1. Site Plan.
2. Drainage plan as specified.
3. Other information:
a. A parking and traffic circulation plan shall
be submitted and approved by the Spokane County Engineer. The
design, location and arrangement of parking stalls shall be in
accordance with standard traffic engineering practices. Paving as
required by the County Planning Ordinance, will be required for
any portion of the project which is to be occupied or traveled by
vehicles. It is illegal to back out onto the Right of Way.
E) Utility Condition: Permittee is responsible for arranging
for all necessary utility adjustments or relocation as
required for completion of the improvement.
F) The owner of the property or the authorized
representative must complete and sign Spokane County
Engineers "Agreement to Pay Fees". This document must be
returned to the County Engineers Office. Plan review will
not be completed until this document is executed. This
document is attached to these comments. Please return
the completed Agreement to your contact person at the
Engineers Department.
The applicant or their representative is responsible for
including each item that is marked "Required By This Project" in
their submittal in accordance with the checklist descriptions.
Each item submitted that is to meet the checklist shall be
checked off by the applicant or their representative. Submittals
which do not conform to the above requirements will be returned
for further items with no review being accomplished. This will
prolong the review process. If changes occur in the requirements
for the project because of further conversations with Spokane
County representatives, please attach a note explaining the
agreed upon change in requirements. When the applicants'
submittal is finally approved, the Engineers department will
release their portion of the Building Permit.
Your contact person at the County Engineering Department is
Page 3
t i
Paul Lennemann, 456-3600.
I
~
Page 1
. ,
OFFICE OF THE COUNTY ENGINEER
SPOKANE COUNTY, WASHINGTON
Project: Kerr Hansen 4 plexes Date: 12/19/95
Address: 15408 E. 4th Ref No. B95032
Parcel No: 45231.1408 Review 2
The County Engineering Department has completed a review of
the above referenced project. The following items need to be
addressed.
Road ImDrovements
l. Provide a copy of the recorded property deed so that the
County can prepare the dedication papers for 5th Avenue (251)
and 4th Avenue (51). The R.I.D. Agreements for 6th Avenue
will also be prepared.
. Grade changes greater than 1.00i require a vertical curve.
Provide grade sheet calculations for the curb.
. A design deviation is required for curb grades less than 0.8%.
4. A drainage easement needs to be established for the pond along
4th Avenue to accept drainage for the road. A 1.0' strip
behind the sidewalk should also be included in the easement,
to provide area for signs and sidewalk support.
5. The road drainage needs to be included in the swale/drywell
calculations.
6. A bond for the amount of the improvements must be submitted,
or the improvements constructed, prior to release of the
permit. The amount of the bond is $4418.50.
7. The road drainage could go to the existing drywell if desired.
In order to do this you need to show how much of the drywell
capacity is already being used, and how much drainage you
would be adding.
81-. Please add the StY'PPfi RPr"r i nn r'J ----3 le
s heet. post-it° Fax Note 7671 Dateo,1 o, pa°ges
To Frorq~
,lll ~3 ~~•t~-c9o i / / XJ w ~ t~Li.S K-J
lr • Co /Dept. CO~ O cn
~
u ~ Phone # Phone~s~ _ -31
v '
Fax # ' - ls.~4 Fax #y~
~t(1''
~ r
Vr1RIANCE AP['LICANTS NAMT'
a LD G
OTHER MAILING A.D D ItLSS
S /I ~7 , ^T' ~5 , R 44"
PARCEL ~ -,7, 54 Z-~ o <S PHONE - HOMF
ROA.D NAME 4`h PHONE - WORK
~2 31,
Thc fotlowins ocumcats arc necdcd bcfore the Spokanc Caunry E-nginecr's Department can begia pcacesswg your
variance or building application as approved. (509) 456-3600
Y AGREEME,IT TO PAY FEES have been collecced.
~ RECORDED COPY OF DEED, DEED OR TRUST, coatract or conveying instrument. These ma,y be
obcained from che Couuty Auditor, 2nd Eloar of the Courthouse. :
~ . • . "
, LEGA.L DESCRIP'I'ION of your eesass easemenL Y A LISTING OF NAAICES of i.adividuaIs who will be signing che documents. These individual names-
should appear as the persQn(s) legally sign their flame. -
Z>
A CURftEN'T ASSESSOR'S iMAP which depicts the locatiaa of your property.
~•1 OWriERSHIP :'YIICRO-RUN. These may be obtaine,d from the Couary Assessors, lsc floor, of che
Courthouse, Jeffersoa eatraace, 2nd door on the left. kC3~b
7ne necessary documencs wi11 be prepared by ttie Engineer"s Deparcment, Right-of-Way Seccioa, upon provisioa of
the infvrmation noced above. You will be avtified wheu the documents are ready for signacure. 'Ihe documents may
be sent to you, however, IT SHOULD BE N4TED TSAT ALL SIGNATURES MUST BE NOTAFtIZED. 'Ihe
Engineer's Departmenc does have notaries available if you choose to sign the documents at our office.
~ Please call when ready Please maii when ready
.
e57'
Notice to Public Righc-of-Way ~ ~ow
~ y~,` Vc' . _ ~ •
~
COMMENTS
Risht-of-Way Agent Forward to you frvm
Mp\M060c.192
Jan-19-96 09:15A P.02
. . VOI. 1 ~ i ,)AGE 8 i
MED flR RE'-oevEo
AF?ER RECaRDING RffRN M: REQUEST!1r f'onBeT Tt11A GOtrpeml
WI4REBSPOOJI, KELLBY, D11VENPOAT b TOQLQ PS 99 wa-hi~n
iiao o.s.Baxx eLOC.
sPMM, Wa 99201 JAN 8 3 3a fNI
aTrx: K. aaBeL 96030805(" wILi.IaM E, ooNANuE
PIl,B H0: 8347-03 AU0110
SPOkANE COUM~r wAjN,
4 (o`'- DEPUTY
STATUTORY
WARRANTY DEED
THE GRANTOR SIIaS J. B,ATES and PFARL L. BATBS, husband and Mife
for and in consideration of IRC SECTZON 1031 LIKE KIND EXCHANGE,
TEN DOLLARS ($10.00) and other good and valuable consideration in
hand paid, conveys and warrants to
LAUIZCB G. DOiTGLAS.S, a sarried person as his separate property
the following described real estate, situated in the County of
Spokane, State of Washinqton:
The East 2/5 of Tract 134, VSR2►, accordiag to Plat recorded in
Yolume "O" of Plats, paqe 30, in 3pokane County, wabsington,
BXCBPT the Bast 2/5 end
8XC8PT Rosds
Tax Parcel No.: 45231.1408
SqB.TBCT TO any charqes for irriqation, doaestic water, electricity
or other charges made by Vera Irriqation District #15, and
~ ALS0 SUHJBCT TO any prelizinary assess=ent for sexer for 3pokane
County UI.ID U9-66.
Dated: January 5, 1996
&ciao Tax Paid SILASG`J. BATES
~ 1 pr -~L4~z
S+' ' PEARL L. BATES .4 .
STATE OF WASHINGTOA1j
) s6
County of Spokane )
On this 570'4 day of January, 1996, before me, the undersigned, a
Notary Public in and for the State of Washinqton, duly commissioned
and sworn, personally appeared SILAS J. BATES to me known to be the
individual described in and who executed the foreqoing instrument
for himself and as attorney in fact of PEAI2L L. BATES also therein
described, and acknowledged to me that he signed and sealed the
same as his voluntary act and deed and as the free and voluntary
act and 8eed of the said PEARL L. BATES for the uses and purposes
therein mentioned, and on oath stated that the power of attorney
suthorizinq the execution of this instrument hes not been revoked
and that the said PEARL L. BATES is now living.
WITNBS3 my hand and official seal hereto affixed the 8ay and year
I
in this certificate above CY '
~oo • N HLIC in and for the StSG
ate of
WashiRgton, residinq at Spokane
~ _ My commission expires: 3/2/98
~ ; .
ftmo4
e~
qo
' O
rr ~ •
~i~
f Yanuary 10, 1996
LEG•!L DESCRIPTION FOR DRAIaVAGB BAS'EME1VT FOR:
An exclusive easement over and across that portion of the east 215 of Tract 134, VERA, as recorded in
Volume "0" of plai8, pago 30, in the County of Spokane, State of W'ashington, except the eaai I/S. 7his
easement to be useri fcr retentioddetention of stormwater, more particulary descnbed as follovvs:
Beginniug at the northea.4E comer vf said property ; thence S.00°09' 13"7. alang the easi line of
said property, a distance o!' 5.00 feet to the True Point uf Beginning of thie description (said point
being 25.00 feet south of oeaterline of 4th Avenue); thence continuing S.00°09' 13"E. atong said
east liae a distance of 30.00 feet ; thence N.89°59' 13"W. 93.00 fest; thence N_00009' 13"W.
30.00 feet; thence S.89°58' 13"E. 93.00 fast to the Tnw Point of Beginning.
Containing 2,790 s.f., moro or lesa.
Z0 ' d b£SL 89b 609 !)N I 2l33N I0N3-113NN08 ' 21f Wd 8Z : Z T f1Hl 96- T i-Nti!'
A f~~ \
Y", CTIONJ tl S SCY ~ EE:',.'t1 1 1 N3 O USE1 \ I A)
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ST
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9306 N. Nswport Nighway
Spokane. WA. 99214
Phone: 500-488-7828
Fac: 509-488-7534
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1'0: KYLE NIcKEON
Company: SPOKANE COUNTY ENGtNEERS
~
Phone: 1-509-456-3600
~
Fax: 1-509-324-7655
From: JAY BONNETT
i ~
Company: J.R. BONNETT ENGINEERING
cmp~
Phorte: 509-468-7626
Fax: 509-468-7534
Date: 1 !1 'i /9f
~
Pages including this cover page: 1+1=2
Comments:
Re: 4th Sireet Apartments for Lanzce DauAlass
Kyf e:
Please find attached the legai description for the drainage easement at the ahave project to
incorporate into your documents. Ptease cail me if you have any questiacu.
Jay Bonnett, P.E.
t 0' d b294 89b 609 0N 1 2133N I0N3-113NN0g '?Jf Wd LZ : Z T f1Hl 96- T T-Ntif
r
i I
i
i ,
I
' S ~ O K AT-4 E _ f C O U N T Y
DNISION OF ENGINEERING AND ROADS • A DIVISIOI`i OF THE PUBLIC WORKS DEPARTMENT
William A. Johns, P.E., Acting County Engineer Dennis M. Scott, P.E., Director
December 5, 1995
Kerr Hansen 4-Plexes
E. 15408 4th Avenue
A review of the road, drainage, or site plan for the above-referenced building permit has
been completed. Areas of concern to the Spokane County Engineering Department are
indicated in red on the attached plan set and calculations marked "ORIGINAL". Please
make the corrections and resubmit them to the Building Department in order that the
review process may proceed. Highlight all changes to the resubmitted plans and
include the comment mark-up copy with them.
;
Please note that the plan set and calculations marked "ORIGINAL" are official public
documents and must be returned with the revised plans and calculations. Review of
the revised plans will not proceed until the "ORIGINAL" set is returned to the
County.
If you have any questions about this review, please contact us at 456-3600. Thank
you.
Very truly yours,
William A. Johns, P.E.
Spokane County Engineer
~
Doug Busko, E.I.T.
Plans Review Engineer
1026 W. Broadway Ave. 0 Spokane, WA 99260-0170 •(509) 456-3600 FAX: (509) 324-3478 TDD: (509) 324-3166
i
.
~ Page 1
. ,
OFFICE OF THE COUNTY ENGINEER
SPOKANE COUNTY, WASHINGTON
Project: Kerr Hansen 4 plexes Date: 12/5/95
Address: 15408 E. 4th Ref No. B95032
Parcel No: 45231.1408 Review 1
The County Engineering Department has completed a review of
the above referenced project. The following items need to be
addressed.
Road Imvrovements
1. Provide a copy of the recorded property deed so that the
County can prepare the dedication papers for 5th Avenue (251)
and 4th Avenue (51). The R.I.D. Agreements for 6th Avenue
will also be prepared.
2. Indicate that the existing edge of asphalt will be sawcut.
Give details on how sawcutting should be performed.
3. Provide an inbound asphalt taper on the west side of the
project. Include the calculations used to size this taper.
4. Provide grade sheet calculations for the curb. The road plans
need to be on a separate sheet, with plan and profile shown.
Refer to County Standards for a list of all the necessary
items to show on the plans.
5. Is existing sidewalk 4.5' or 5.0' wide?
6. A bond for the amount of the improvements must be submitted,
or the improvements constructed, prior to release of the
permit.
7. The required landscaping along the 4th Avenue frontage is
shown in the proposed sidewalk.
8. Provide a benchmark for the road construction (sewer
manhole in Sullivan?). ~
On-Si.te Drainacze
9. Provide cross-sections and calculations for the ditch along
the east side of the property.
I
~
. Page 2
. ,
10. Add several more elevations in the flowline of the ditch, to
demonstrate intended construction.
11. The drywell in Pond C should be at least 10' from the sewer
line.
12. Consideration should be given to constructing outlet
protection where the ditch empties into Pond C.
13. Each concrete inlet should include a concrete spillway down
into the swale.
14. It appears from the given elevations that Pond B will only
pond along about 1/3 of its length before draining into the
drywell. The elevations can either be modified to correct
this, or the slope correction formula in the Guidelines for
Stormwater Management (page 5-4) can be used to size the pond
correctly.
15. The asphalt elevations in Basin 1 give grades of about 0.4%.
The minimum asphalt grade is lo.
16. Correct the note on detail 1/C2, which refers to plan sheet
B-102C. I believe the detail is just B-1.
.
J.R. BONNETTENGiNEERiNG
.
.
CML & STRUCTURAL ENGINEEfZ/NG/CONSUL'CYNG
9306 N. NBGVPORT HIGHWA Y
SPOKANE. WA. 99218
(509) 468-7626
DRA/NAGE CALCULAT/ONS,
OF
,
4TH STREET APARTMENTS SITE -
, SPOKANE, WA -
" - OFF1ClAL PUBf_IC DOCUMENT
QPVKANE COUNi'Y ENGEtsEER'S aFFiCE
A `
PFiOJECT
SUBMITTAL # 1 ^
FOR /J RMRN YO CUi1NTY ENGIHEm;
Spo ~9F~~~L
~G9Nt~ F~
LANZCE G. DOUGLASS
A ~
~
~
'O 30693
November, 1995 '~FS ~C1STE4
JRBE Job No. 95026 s/ONAL
ooFtEs 1 0-3 -
I BOWSTRING METH00 (TEN YEAR STORM OESIGN) ~ IPROJECT: 195018 1 ITIME OF CONCENTRATION (minutes) I I I I I
DETENTION BASIN DESIGN ~ I I IBASIN: 1131 I I I I I I I I I I
I JOESIGNER IJRB I I Tc(overland) ~ I Tc(gutter) Areas I "C" ~ A'C
NUMBER OF DRYWELLS PROPOSED I I IDATE: 1 11/201951 I I I I. ~ I I ~
1 ISingle (tyQe t) 1 0 IDouble (type 2) Ct= 0.151 1L2 0l ~ 0.13 i 0.90 ~ 0.120041
Total Area (calc) (see H1) ' 0.26 1 1 IZ1 100 1 I 0•13 1 0.10 1 0.013
Time of Conc. (calc.) (see H1) 5.00 L1(A) 127 Z2 =
I I 100 1 ~ 0.00 1 0.00 I o
Composite'C" (calc.) (see H1)I I 0.51 ~ ~ I I N(A) 0.016 IB = 1 0 1 ~ 0.00 1 0.00 1 0
Time of Conc. (min) ~ 1 5.00 I I ~ IS(A) 0.0175 1 In = ~ 0.016 1 ~ 0,00 I 0,00 I 0
Area (Acres) 1 I 1 0,2633792 1 I ( 1 1 Is = I 0.024 I ~ 0.00 I 0.00 1 0
C Factor 1 0•51 ~ I I iTc (A) _ 1 0•77 1 Id = I 0.0785 1 ~ 0.00 1 0.00 1 0
Impervious Area (sq. ft.) I I I 5810 I I I 1 I 1 I I I I Total AI Comp "C"
Volume Provided 208: 1 290 j storm: 1 406 I IL1(B) = I 01 ITc (gu) = j 0.00 ( I 0.26 I 0.51
Ou~~ (cfs) I ~ I I 0.3 ~ I I IN(B) 0.4 ~ 1 Tc(A+B) = ~ 0.71 1 I I ~
Area' C" Factor 0.13 JS(B) 0.005 ~ 1 1 14=C'I'A= ~ 0.42 ~
~_~~~=====1=========1======---1=========1=====-= I I I I IrcOot,) = 1 5.00 1 In(esc.)= I 0.00 I
#1 ~ #2 1 #3 ~ #4 ~ #5 1 #6 1 #7 I ITc (B) = I OA 1 1 Intensity= 3.18' '
1
Time ~ Time ~ Intensity ~ Q dev. ~ V in ~ V out I Storage I I I I ~ ~ I IA = 1 0.616225 1
Inc. I Inc. I ReQ'd) I I IWP 15.7008 1 .
(min.) I (sec.) ~(n1hr.) I (cfs) I(cu. ft.) ~(cu. ft.) I (cu. ft.) I IR = I 0.0392 I
I (#1'60) ~ ~(A'C'#3) ~ ~(6utf."#2) ~(#546) 1 IV = I 1.66 ~
1=====_=_=== I========= I========= 1_====== I ITc (tatal) = Tc (overland) + Tc (gutter) I I ITc(9u) 0.00 I
5.00 ~ 300A0 ~ 3.18 ~ 0.42 ~ 170 1 90.00 ~ 80 1 (Tc (overland) = Ct'(L1'N!S^0.5)"0.6) I I I IQ(est) 1.02 I I I ICt = 0.15 I I I, ~ I I I I
5 ~ 300 ~ 3.18 ~ 0,42 I 110 90 ~ 80 ~ iL1= Length of Ovetiand Flow I I I IHolding 0.00 I
10 ~ 600 ~ 2.24 ~ 0.30 ~ 209 ~ 180 ~ 29 ~ IN = friction factor of overland Aow (.4 far average grass cover)
15 ~ 900 I 1,77 ~ 0.24 ~ 236 ~ 270 -34 ~ iS = averege slope of overland flow I I
20 I 1200 ~ 1.45 1 0,19 ~ 251 ~ 360 ~ -109 ~ 1 Tc ($utter) = Length (ft)Nelxiiy (ftJsec.)160 I ~ I I I
25 ~ 1500 ~ 1.21 1 0,16 ~ 258 ~ 450 ~ -192 ~ 1 B= Bottom width of gutter or ditch I 30 ~ 1800 ~ 1.04 1 0,14 ~ 263 I 540 ~ -277 ~ It1= inverse of cross slope one of ditch
35 I 2100 I 0.91 I 0.12 1 267 ~ 630 ~ -363 ~ IZ2 = inverse of cross slope twa of ditch ~ I ~ I I
40 ~ 2400 ~ 0.82 ~ 0.11 ~ 273 ~ 720 -447
~ I Id = depfh oi flow in gutter (esfimate, check estimate with Flow) I I I I 45 ~ 2100 ~ 0.74 ~ 0.10 ~ 216 ~ 810 1 •534 1 lArea=d'B+d^212"(Z1+Z2) I I I
50 1 3000 ~ 0.68 ~ 0.09 ~ 281 ~ 900 1 -619 1 lWetted perimeter= B'd+(1lsin(atn(ifL1))+11sin(aln(122))}
55 ~ 3300 ~ 0,64 ~ 0.09 1 290 1 990 I •700 1 1 Hydraulic Radius = R= ArealWetted Perimeter I ~ I I I
60 J 3600 ~ 0.61 ~ 0,08 ~ 300 ~ 1080 ~ •780 j IVelocity =1.486fn'R".667"s".5
65 I 3900 ~ 0.60 ~ 0.08 ~ 319 ~ 1170 ~ -851 ~ Flow = Velocity'Area I I ~ I I I I
70 ~ 4200 ~ 0.58 ~ 0.08 ~ 332 ~ 1260 ~ -928 ~ n= 0.016 for asphalt
75 ~ 4500 ~ 0.56 ~ 0.07 ~ 343 ~ 1350 ~-1007 ~ Is= longitudinal slope of gutter
80 1 4800 ~ 0.53 ~ 0,07 ~ 346 ~ 1440 ~•1094 ~ l
85 ~ 5100 ~ 0.52 ~ 0.07 ~ 360 ~ 1530 ~•1170 ~ I
90 ~ 5400 ~ 0.50 ~ 0.07 ~ 366 ~ 1620 1 -1254
95 I 5700 ~ 0.49 1 0.07 1 378 ~ 1710 1 •1332
100 1 6000 ~ 0,48 1 0.06 1 390 ~ 1800 ~•1410
_=========1===== 1========= I=========1======= = I I I I I I I I I I
~ I I I I I I I I I I I I I I, I
ORAINAGE POND CALCULATIONS
~Required grassy swale pond storage volume
Impervious Area x.5 inJ 12 inl8. 242 ~ cu. ft. ~ ~ I I I ~ ~ I I I
I I I ~ provided:1 290 1 cu.ft, JOKI I I I I I I I I I, I I I I I I I
DRYWELL REbUIREMENTS • 10 YEAR DESIGN STORM~ ~ ~ I I I I I I I I I
iMaximum storage required by Bowstring 80 ~cu. ft,
I I I I provided: ~ 406 ~cu, ft, IOK! I I I I I I I I I
1
BOWSTRING METH00 (TEN YEAR STORM DESIGN) ~ JPROJECT: 195018 1 ITIME OF CONCENTRATION (minutes) ~ I I I I
DETENTION BASIN DESIGN ~ I I I BASIN: 1132 I 1 I I I ~ I I ~ I
I IOESIGNER IJRB I ITc (overland) j ITc (gutter) Areas ~ "C" ~ A'C
NUMBER OF DRYWELLS PROPOSED I I IDATE: ~ 11l201951 I I ~ I ~ I, I I I
1 ISingle (type 1) 1 0 1 Oouble (type 2) I ~ I iCt = 0.15 ~ IL2 = I a) I 0.08 ~ 0.90 1 0.073967
Total Area (calc.) (see H1) 1 ~ 0,15 I I IZ1 100 1 I 0•01 I 0.10 I 0.0072
Time of Conc. (calc.) (see H1) 1 ~ 5,00 1 L1 A) 40 ~ JZ2 100
J ~ 0,00 1 0,00 ~ 0
Composite "C" (calc.) (see H1)j ~ 0.53 1 ~ I I N(A) 0,016 J IB = I 0 1 ~ 0,00 ~ 0.00 I 0
Time of Conc. (min) 1 SAO ~ I S(A) 0.42 ~ in = 1 0.016 I I 0.00 ~ 0.00 1 0
Area (Acres) I 0.1541855 I ~ I Is = I 0.024 1 ~ 0.00 ~ 0.00 1 0
C Factor 1 0,53 lTc (A) _ 1 0.15 J Id = ~ 0.0785 1 ~ 0.00 ~ 0.00 1 0
Impervious Area (sq. ft.) 3580 1 I I I ~ 1 ( Tatal A~ Comp "C"
VolumeProvided 208;1 224 1 storm: 224 1 1 L1(B)= 1 0 1 ITc(gu)= ~ 0.00 1 1 0.15 1 0.53
Outflaw(cfs) I 0.3 IN(B) = I 0.4 1 jTc(A+B)= ~ 0.15 ~ 1 1 1
Area' C" Factor 0.08 IS(B) = I 0.005 1 1 IQ=C I 0.26 I
1=----==---= 1=-====== -===---~=---=--I "IA=
IrOot,) 5.00 ~ 10 (asc.) = I 0.00 I
#1 I #2 I #3 1 #4 ~ #5 I #6 I#7 ~ Tc B 0.0
~ t)- - I 1 ~ Intensity 3.18 ~ 1 1 I
Time ~ Time ~ Intensity ~ Q dev. V In ~ V out I Storage I I I ~ I I ~ IA = j 0,616225 ~
Inc. ~ Inc. I Req'd) I IWP
(min.) I (sec.) I f nJhr.) I (cis) ~(cu. ft.) I (cu. ft.) I cu. ft. I 15,7008 ~
~ ) I IR= ~ 0,0392 1
I (#1•60) I I(A'C43) I I (ouff.•#2) I(#546) I
j=-----="-' - ~ 1,66 ~
1= 1 ITc (total) = Tc (overland) + Tc (gutter) ~ I I Tc(gu) 0.00 I
5.00 300.00 . 3.1$
_ ~Ct=0.15 ~ _ Ct.(L1. NISI n0,5)n0.6)J ~ ~ I Q(est) 1 I 1.02 ~
0.26 1 . 1_...04 - 90.00 1 14 iTc ( overland) -
( .
I
5d 300d 3,18 1 0.26 ~ 104 ~ 90 14 ~ iL1= Length of Ovarland Flow I ~ I IHolding = 0.00 ~
10 ~ 600 ~ 2,24 ~ 0.18 ~ 128 ~ 180 I •52 I rN = friction factar oi overland flaw (.4 for average grass cover) ~ I I
15 ~ 900 ~ 1.77 ~ 0.14 ~ 144 ~ 210 1 •126 1 iS = average slope of overland flow f I ~ I I I
20 ~ 1200 ~ 1.45 ~ 0.12 ~ 153 1 360 J •207 1 ITc (qutter) = Lengtlh (ft.)Nelociry (ft.lsec.)!60 I I ~ I I
25 I 1500 ~ 1.21 ~ 0.10 ~ 157 1 450 1 -293 ~ 1 B= Bottom width of gutter or ditch 1
30 ~ 1800 J 1.04 ~ 0.08 ~ 161 ~ 540 1 -379 I IZ1 = inverse of cross slope one of ditch I ~ I ~ I
35 ~ 2100 ~ 0.91 ~ 0.07 ~ 163 ~ 630 I -467 ~ JZ2 = inverse of cross slope two of ditch I I I ~ I
40 I 2400 1 0.82 1 0.07 1 167 1 720 1 •553 1 1 d = depth of flow in gutter festimate, check estlmate with Flow}
45 ~ 2700 1 0.74 1 0.06 ~ 168 810 j •642 1 lArea = d'B+d^212'(Z1+Z2) I I
50 ~ 3000 1 0.68 1 0.06 ~ 171 1 900 1 •729' lWetted perimeter= B'd+(11sin(atn(121))+11sin(atn(122))) I I ~ ~
55 ~ 3300 1 0.64 I 0,05 1 177 1 980 1 -813 1 lHydraulic Radius = R= ArealWetted Penmeter
60 ~ 3600 0.61 ~ 0.05 ~ 183 ~ 1080' -897 ~ IVelociry -1.486ln'R".667's".5
65 ~ 3900 0.60 ~ 0.05 ~ 195 ~ 1170 ~ •975 ~ 1 Flow = Velocity'Area ~ ~ ~ I I I I
70 ~ 4200 1 0.58 ~ 0.05 ~ 203 ( 1260 ~-1057 ( In = 0.016 for asphalt
75 ~ 4500 ~ 0.56 ~ 0.05 ~ 209 ~ 1350 ~-1141 ~ Is = longitudinal slope of gutter I I ~ ~ ~ I
$o ~ asoo ~ 0.53 ~ 0.04 ~ z>> ~ 1440 ~-1229 ~ I I I I I I I I I
as 1 5100 I 0.52 I 0.04 I 220 I 1530 ~-1310 ~ I I I I I I I ~ , j
90 ~ 5400 ~ 0.50 ~ 0.04 ~ 223 ~ 1620 ~-1397 ~ I I I I I ~ ~ ~ J
95 ~ 5700 ~ 0.49 ~ 0.04 I 231 I 1710 ~•1479 ~ I I ~ I I I I ~ I
100 I 6000 0.48 j 0.04 ~ 238 ~ 1800 ~-1562
I I I I Ir I I I " I ' I I I I I
DRAINAGE POND CALCULATIONS ~ I I ~ I I I ~ I ~ ~ I I I
~Required grassy swale pond storage volume
Imperoious Area x.5 in.! 12 in,lft. = I I 149 I cu. ft. ~ i ~ ~ I I I I I ~
provided: 1 224 Icu, ft. JOK!
I I I I I I I I I I I I I I I I
DRYWELL REQUIREMENTS • 10 YEAR DESIGN STORM~
IMaximum storage required by Bowstring =1 1 14 lcu, ft.
I I 1 I provided: 1 224 1 cu, ft. I OK! ~ I I I I' ~ I I ~
d ,
BOWSTRING METHOD (TEN YEAR STORM DESIGN) ~ IPROJECT: 195018 I ITIME OF CONCENTRATION (minutes) II I I
DETENTION BASIN DF.SIGN I BASIN: 1133 I I I ( I ~ I I I I
I ~ I IDESIGNER IJRB I ITc (overlanc) I ITc (gutter) I Areas I °C" I A'C
NUMBER OF DRYWELLS PROPOSED IDATE: 1 11/201951 1 I I I I I I I
1 ISingle (type 1) 1 0 1 Double (type 2) 1 I 1 lCt = 1 0.151 I1-2 = 1 350 ~ 0.45 0.50 1 0.402955
Total Area (calc.) (see Ht) 0.63 1 1 IZ1 6 ~ 0,18 OJO ~ 0.018
Time of Conc. (calc.) (see H1) 5.00 IL1(A) = I 92 I IZ2 s ~ 0,00 1 0,00 ~ 0
Composfte'C" (calc.) (see H1)i 1 0.67 1 IN(A) = ~ 0,016 ~ jB = ~ 0 I I 0,00 1 0,00 i 0
Time of Conc. (min) 5.00 IS(A) = I 0.01 1 In = 1 0.016 I I 0,00 1 0.00 1 0
Area (Acres) 0.6271273 I I 1 Is = 1 0,0031 1 1 0.00 1 0.00 ~ 0
C Factor 0•67 1 lTc (A) = 1 0.75 I Id = ~ 0.355 1 ~ 0.00 I 0.00 ~ 0
Impervious Area (sq. ft.) I I ~ 19503 ~ I 1 . I I I
I Total AI* Comp "C"
Volume Providod ~ J 208: 1 1044 storm; 1 1462 lO ~
I 01 ITc (gu) = J 3.30 J ~ 0.63 1 0.67 J
Outllow (cfs) 1 0.3 IN(B) 0.4 1 ITc(A+B) = 1 0.75 1
Area' C" Factor I I ~ 0.42 I I I IS(B) = I 0.005 I I 1 I I4=C'I"A= I 1.34 I
1=========== I========= ~ I ~ I ITc(tot.) = 1 5.00 1 10(est.) = I 1.34 1
#1 I #2 I #3 I #4 1 #5 ~ #6 1 #1 ~ Tc (B) _ ~ 0.0 ~ ~Intensity = ~ 3.18 I 1 ~ (
Time ~ Time ~ Intensity ~ Q dev. ~ V in ~ V out I Storage I ~ I I I ~ IA = j 0.75615 1
Inc. j Inc, ~ I I I Req'd) I I I I I 1 I IwP= I 4.3188 1 .
(min.) I (sec.) ~(inJhr,) ~ (cfs) (cu. ft.) I (cu. ft) I (cu, ft.) I I I ~ I ~I I R= ~ 0.1751 1
I (#1'60) I ~(A'C'#3) I I(Outf.'#2) I(#5-#6) I I I 1 I I I IV = I 1.77 1
_~~~==--==1=---=-___=- I==-====== I====---== I=====_=== I======= I ~Tc (totaq = Tc (overland) + Tc (gutter) I I ITc(gu) = I 3,30 1
5.00 ~ 300.00 1 3.18 1 1.34 ~ 538 ~ 90.00 j 448 ~ ~Tc (overland) = Ct'(L1'N1S"0.5)"0.6)I ~ I IQ(est) = I 1.34 1 __I I ICt=0.15 I I_ I I , I• I
5d 300 3-1-8 jl 1.34 538 90 I 448 I IL1= Length of Overland Flow I i I ~Holding 12.47 j
10 1 600 1 2,24 1 0.94 662 ~ 180 1 482 1 IN= friction factor of overland flow (,4 for average grass cover)
15 ~ 900 1 1.77 ~ 0.75 747 270 I 477 I IS = average slope of overland flow I I I ~ ~ I
20 ~ 1200 ~ 1.45 ~ 0.61 ~ 795 360 1 435 1 ITc (gutter) = Length (ft.)Nelocity (ftJsec,)!60 I
25 ~ 1500 ~ 1.21 ~ 0.51 ~ 816 ~ 450 366 1 1 B = Bottom width of gulter or ditch I I I I I I r
30 ~ 1800 ~ 1.04 ~ 0.44 ~ 833 1 540 293 1 1 21= inverse of cross slope one of ditch
35 ~ 2100 ~ 0.91 ~ 0.38 ~ 844 I 630 ~ 214 1 IZ2 = inverse of cross slope lwo of ditch I ~ I I ~
40 2400 ~ 0.82 ~ 0.35 ~ 864 ~ 720 1 144 1 Id = depth of flow in putter (estimate, check es6mate with Flow) I
45 2700 ~ 0.14 ~ 0,31 ~ 873 ~ 810 1 63 ~ lArea = d'B+d"2l2'(Z1+Z2) I I I 50 ~ 3000 ~ 0.68 ~ 0.29 ~ 888 ~ 900 1 •12 ~ lWetted perimeter= B'd+(1lsin(atn(121))+1lsin(atn(1Q2)))
55 ~ 3300 ~ 0.64 ~ 027 ~ 917 ~ 990 1 -13 ~ 1 Hydraulic Radius = R= ArealWetted Perimeter
60 ~ 3600 ~ 0.61 ~ 026 ~ 951 1 1080 1 -129 ( IVelocity =1.486Jn"R".667"s^.5
65 ~ 3900 ~ 0.60 0.25 ~ 1011 ~ 1170 ~ -159 1 j Flow = Velaciry'Area I
70 ~ 4200 ~ 0.58 0.24 ~ 1050 ~ 1260 -210 1 ~ n= 0,016 for asphalt I ~ ~ I I I I
75 ~ 4500 ~ 0.56 0.24 I 1085 ~ 1350 -265 I Is = longftudinal slope of qutter ~ ~ I I I
80 ~ 4800 ~ 0.53 0.22 ~ 1094 ( 1440 ~ -346 1
as ~ 5100 I 0.52 j 0.22 ~ 1139 ~ 1530 ~•391 I I I ( ( I ~ I I I
so I saoo ~ 0.50 1 0.21 ~ 1158 1 1620 I, a62 I I I I I I I I I I
ss I 5700 ~ 0.49 ~ 0z1 I 1191 1 1710 ~•513 ~ I I I I I I I I I
100 ~ sooo ~ 0.48 I 0.20 ~ 1233 ~ 1800 ~•561 I I I I I I I I I I
I======~~_~~ ~~========1========~ ~~~_======1======= I I I I I I I,
~
I I
I I I I I I I I I I I I I I I
DRAINAGE POND CALCULATIONS I I I I I I I I I I I I I
IRequired grassy swale pond storage volume I I I I I I I ( I I I I
Impervious Area x.5 inJ 12 in.lft. 813 ~cu, ft,
I I I ~ provided:~ 1044 1 cu,R. JOK! I ~ I I I I I I I
I I I I, I I I I I I I I I I I
DRYWELL REQUIREMENTS • 10 YEAR DESIGN STORM' J I I I I I I I I I
Maximum storage requlred by BowsMng = I ( 482 Icu. ft• I ~ I I I ( I I I
I ~ ( provided;1 1462 1 cu, ft. IOKI I I I I I I I I I
. . ~
BOWSTRING METHOD (TEN YEAR STORM DESIGN) ~ IPROJECT; 195018 1 ~TIME OF CONCENTRATION (minutes)
DETENTION BASIN DESIGN (9ASIN: 164 ~ I I I I ~ I I I I
I IDESIGNER IJRB I ITc (overland) ~ ~Tc (gutter) Areas I °C° I A'C
NUMBER OF DRYWELLS PRdPOSED I IDATE: 1 11I201951 1 I I I I I I I
0 ISingle (type 1) 1 1 1 Double (rype2) I I 1 ICt= 1 0.151 jL2= 300 . 1. 0.35 1 0.90 1 0,319401
Tocal Area (calc,) (see Ht) ~ I 0•44 I I I I I I I IZ1 = I 61 1 0•09 1 0.10 1 0.009
Time af Conc, (calc.) (see H1) 5.00 I1-1(A) = I 25 1 IZ2 61 ~ 0.00 1 0.00 1 0
Composde"C(calc.) (seeH1)j ~ 0.14 1 1 I JN(A) 0,016 1 I8= I 0 l I 0.00 1 0.00 1 0
Time of Conc. (min) I I I 5,00 1 JS(A) 0,025 1 In = ~ 0,016 1 ~ 0.00 1 0.00 1 0
Area (Acres) 0,4448898 I I I Is = I 0.007 1 ~ 0.00 1 0.00 1 0
C Factor 0•14 lTc (A) = 1 026 1 Id = ~ 0•287 I I 0.00 1 0.00 1 0
Impervious Area (sq. ft.) 15459 I I 1 I ~ I I Total A I Comp "C' l
Volume Provided 208:1 855 ~ storm; 1 855 1 I1-1(13) = I 0 1 ITc (gu) = I' 2,37 I ~ 0.44 I 0.74 ~
Outflow (cfs) 1 1~ ~ I IN(B) = I OA 1 lTc(A+B) 1026 1I I ~
Area' C" Factor 0,33 IS(B) = J 0.005 1 1 IQ=C'I'A= 1 1.04 1
I I I. ~Tc(tot.) = 1 5.00 ~ 10 (est.) 1.04 1
#1 I #2 ~ #3 ~ #4 ~ #5 ~ #6 ~#7 ~ ITc (B) OA 1 (Intensity 3.18 ~ 1 I I
Time i Time ~ Intensity ~ Q dev. V in ~ V out ~ Storage IA = I 0A94214 1
Inc. ~ Inc. Req'd) IWP = I 3.4915 1 '
(min.) ~ (sec.) ~ (in1}u.) ~ (cfs) I (cu. ft.) I (cu. ft.) ~(cu. ft.) IR = J 0.1415 1
I (il 'so) I I(A'C43) I I(ouff.*#z) I(as-#s) ~ ~ I I I I I IV= ~ 2.11 1
I=____=_ ~ ITc (lotal) = Tc (ovetland) + Tc (gutter) I ~ ITc(gu) 2.37 1
5.00 ~ 300.00 ~ 3.18 ~ 1.04 420 1 300.00 ~ 120 ~ 1 Tc (overland) = Ct"(L1'NlS^0.5)^0.6) 1 ~Q(est) 1.04
ICt=0.15 I I I ~ I I ~ I
5 - 340d 3,18 1 1,04 420 { 300 f 120 ~ 1 L1= Length of Overland Flow I ~Holding 10.69 ~
10 ~ 600 1 224 r 0,74 ~ 516 ~ 600 1 -84 1 IN= fricGon factor of overland flow (.4 for average grass cover) ~ I I I
15 ~ 900 1, 1.77 ~ 0,58 ~ 582 ~ 900 ~ •318 ~ IS = average slope of overland flow I I I I I ~
20 ~ 1200 ~ 1.45 ~ 0,48 ~ 620 ~ 1200 ~ -580 ~ iTc (gutter) = Length (ft.)Nelociry (ftJsec.)160 I I I I ~
25 ~ 1500 ~ 1.21 ~ 0.40 ~ 637 ~ 1500 ~ -863 ~ 1 B= Bottom width of gutter or ditch I I I I I I '
30 ~ 1800 ~ 1.04 ~ 0.34 ~ 650 ~ 1800 ~•1150 ~ IZ1 = inverse of cross slope one of ditch I I ~ ~ I
35 ~ 2100 ~ 0.91 ~ 0.30 1 '658 ~ 2100 ~-1442 ~ JZ2 = inverse oi cross slope two of ditch I I I I
40 ~ 2400 ~ 0,82 ~ 0,27 1 674 ~ 2400 -1726 ~ 1 d = depth of flow in gutter (estimate, check estimate with Flow)
45 ~ 2700 ~ 0.74 ~ 0.24 ~ 681 ~ 2700 -2019 ~ lArea = d'B+d^212'(Z1+Z2) I I
50 ~ 3000 ~ 0.68 ~ 0.22 ~ 693 ~ 3000 ~-2307 1 ~Wetted perimeter= B"d+(1lsin(atn(1IL1))+lfsin(atn(1lZ2)))
55 ~ 3300 ~ 0.64 ~ 0,21 J 715 ~ 3300 ~-2585 1 ~ Hydraulic Radius = R= ArealWetted Perimeter ~ ~ I I I
60 I 3600 ~ 0.61 ~ 0.20 ~ 742 ~ 3600 ~-2858 ~ iVeloc'rty =1.486ln'R^.667's^.5 I I I I I I
65 ~ 3900 ~ 0.60 ~ 0.20 ~ 789 ~ 3900 ~-3111 ~ 1 Flow = Velocity'Area
70 ~ 4200 ~ 0.58 ~ 0.19 ~ 819 ~ 4200 J•3381 ~ In = 0.016 for asphalt J ~ ~ I I ~ I
75 ~ 4500 0.56 ~ 0.18 ~ 846 ~ 4500 1 -3654 1 is = longitudinal slope of gutter ~ I I I ~ I
80 ~ 4800 0.53 J 0.17 ~ 853 4800 ~•3947
85 ~ 5100 ~ 0.52 ~ 0.11 1 888 5100 ~4212
90 ~ 5400 ~ 0.50 ~ 0.16 ~ 903 ~ 5400 -4497
95 ~ 5700 ~ 0.49 ~ 0.16 ~ 934 5700 ~-4766
100 ~ sooo ~ 0.48 ~ 0.16 ~ 962 sooo ~-5038 ~ I I I I I, I I I
3CII~~~:II.~.~ ~L7II3~:~~CL: ~IIIIII:GC~~Q ~L'::~~~^.II: IC.~.:~:.::.:.~. ICC7~~L`7~• ~
1 I I I ~ ~ II I I I . I ~ I
ORAINAGE POND CALCULATIONS ~ J ~ I I I I I I I I I
~Required grassy swale pond storage volume
impervious Area x.5 inJ 12 in.lft. 644 ~cu, ft.
~
provided: 855 ~cu. ft. JOKI
I I I ~ I I I I I I I I I I. I
DRYWELL REQUIREMENTS • 10 YEAR OESIGN STORMI ~ ~ I ' ~ 1 I I I I I I
I Maximum storage requfred by Bowstrfng = 120 ~cu, it.
I I I ~ provided: ~ 855 ~cu, ft. OK! I I I ~ I I I I I
~ t f
BOWSTRING METH00 (TEN YEAR STORM DESIGM I IPROJECT: 195018 ~TIME OF CONCENTRATION (minutes) ~ I I I I DE7ENTION BASIN DESIGN I BASIN: 184 I I I I
I IDESIGNER IJR3 I ITc (overland) ~ ITc (gutter) I I ( Areas ~ "C" j A'C
NUMBER OF ORYWELLS PROPOSED I I IDATE: 1 11120l95I I , I I I I I I I I
0 ISingle(typel) 1 1 IDouble (type 2) 1 ICt= ~ 0.15 J jL2= ~ 300 1 I 0.53 ~ 0.90 1 0.476694
Total Area (calc.) ~see H1) 1 ~ 0.80 I I ~ I 1 ' 1 i21 = I 6 ~ 027 1 0.101 0.027
Time of Conc. (calcJ (see H1) I ~ 5.00 I I ~ I ILt(A) _ 1 801 JZ2 6 1 0.00 1 0.00 I , 0
Composite'C (calc,) (see H1)l 1 0.63 J IN(A) _ 1 0,016 1 IB = I 0( 1 0.00 1 OAO I 0
Time of Conc. (min) I ~ I 5,00 I I I IS(A) = 1 0,025 I In = I 0.016 1 1 0.00 1 0,00 I 0
Area (Acres) 0,7996602 I I I 1 I I Is = I 0.007 1 ~ 0.00 1 0,00 I 0
C' Factar 0.63 I I ~ ITc (A) _ ~ 0.53 ~ Id II 1 0.287 1 J 0.00 1 0.00 1 0
Imperoious Area (sq. ft.) 23072 1 ~ I 1 1 1 ( Total A I Comp "C" l
Volume Provided 208: 1 855 1 storm: 1 855 1 11-1(B) = ~ 0 I ITc (gu) = 1 2.37 I ~ 0.80 I 0.63 I
Outtlow (cfs) I I I 1 1 I, I I I N(B) = I 0.4 I ITc(A+B) _1 0.53 1 I I I
Area' C Factor I I I 0.59 ' IS(B) = 1 0,005 1 1 1 I IQ=C'I'A= 1 1.601
1=========== 1========= I========= I========= I I I I ITc(tot) = 1 5.00 1 IQ(esL) _ 1 1.04 1
#1 ~ #2 ~ #3 ~ #4 ~ #5 1 #6 ~#7 1 ITc (B) 0.0 1 1 Intensity = ~ 3.18 1 I I, I
Time ~ Time ~ Intensity ~ Q dev. ~ V(n ~ V out ~ Storage ~ ~ ~ ~ ~ I • I IA = I 0.494214 1
Inc. I Inc, ~ I I ~ I ReQ'd) ~ ~ ~ ~ . I . ~ . IWP 3.4915 1 .
(min.) ~ (sec.) ~(inJh r.) ~ (cis) ~(cu, ft.) ~(cu. ft.) ~(cu, ft.) IR = ' 0.1415 1
I(#1•60) I I(A'C'#3) I I(0utf.•#2) I(a546) I I I, I I I I IV= I 2.11
I
I==____= I ITc (total) = Tc (overland) + Tc (gutter) ITc(9u) 2,31 1
5.00 ~ 300,00 3.18 ~ 1.60 ~ 644 ~ 300.00 ~ 344 ~ 1 Tc (overland) = CC(L1'NIS^0.5)"0.6) 1 1 Q(est) 1,04 ~ ~ I I I ICt=0.15 I I I I l I I I
5 ~ 300 ~ 3.18 ~ 1.60 ~ 644 ~ 300~ 344 ~ lL1= Length o( Overland Flow IHolding 10.69 I
10 I 600 1 2•24 I 1.13 1 792 1 600 I 192 I I N= fricGon (actor of overiand flow (A for average grass cover)
15 ~ 900 ~ 1.17 ~ 0.89 ~ 893 ~ 900 ~ -7 ~ IS= average slope of ovedand flow I
20 ~ 1200 ~ 1.45 ~ 0.73 ~ 951 ~ 1200 ~ •249 Tc (gutter) = Length (ft.)Nelocity (ftJsec.)/60
25 ~ 1500 ~ 1,21 ~ 0.61 ~ 976 ~ 1500 ~ -524 B= Bottom width of gutter or ditch I I I I ~
30 ~ 1800 ~ 1,04 ~ 0.52 ~ 996 ~ 1800 ~ -804 ~ IZ1 = inverse of cross slope one of ditch I I I I
35 ~ 2100 ~ 0,91 ~ 0.46 ~ 1009 ~ 2100 1 •1091 ~ 17-2 = inverse of cross slope Nvo oiditch
40 1 2400 ~ 0.82 1 0.41 ~ 1033 ~ 2400 1 -1367 1 Id = depth of flow in gutter (ostimate, check estimate with Flow)
45 ~ 2700 ~ 0,74 ~ 0.37 1 1044 ~ 2700 1 -1656 1 lArea = d'B+d"2!2"(Z1+Z2) 1, 1 J I I I
50 ~ 3000 ~ 0.68 ~ 0,34 J 1062 3000 1 •1938 1 lWetted perimeter= B'd+(1lsin(atn(1n1))*11sin(etn(122))) I I I I
55 ~ 3340 ~ 0.64 ~ 0.32 ~ 1097 3300 1 •2203 1 1 Hydraulic Radius = R = AreaJWetted Penmeter
60 ~ 3600 ~ 0.61 ~ 0.31 ~ 1137 ~ 3600 1 -2463 j IVelacity =1,486ln"R".667's",5 ~ ~ I I
65 ~ 3900 ~ 0.60 ~ 0.30 ~ 1209 ~ 3900 1 -2691 ~ 1 Flow=Velocity"Area ~ I I I I j
10 ~ 4200 0.58 ~ 0.29 ~ 1257 ~ 4200 ~•2943 In= 0.016 for asphalt ~ I I ~ I I
75 ~ 4500 0,56 ~ 0.28 ~ 1298 ~ 4500 ~-3202 Is = longitudinal slope of gutter
80 1 4800 ~ 0.53 ~ 027 ~ 1349 ~ 4800 •3491 ~ I I ~ I I I I ~ I
85 ~ 5100 ~ 0.52 ~ 0,26 ~ 1363 5100 •3737 ~ I I ~ I I I ~ I
90 ~ 5400 ~ 0,50 ~ 0,25 ~ 1386 5400 ~•4014 ~ I I I ~ I I I ~ I
95 ~ 5700 ~ 0,49 ~ 0,25 ~ 1432 ~ 5700 1 •4268
100 ~ sooo I 0.48 ~ 0.24 ~ 1475 ~ sooo ~•aszs ~ j I I I I I I I j
I====-====== i=======-= i========= I~=~==-- i I I I I I I, I I I
I I I I I I I I I
DRAINAGE POND CALCULATIONS I ~ I I I I I ~ I I ~ ~ ~ ~
~Required grassy swale pond storage volume
Impervious Area x.5 in.! 12 inJft. 961 Icu, ft. I ~ ~ ~ ~ ~ • ~ I I ~
provided; ~ 855 Icu. ft, I Na Good ~ I ~ I ~ I I I I
~ ~ ~ I ~ a ~ I I I I I I I I I
DRYWELL REQUIREMENTS • 10 YEAR DESIGN STORM)
iMaximum storage required by Bowstring = J ~ 344 ~cu, ft.
I I I j provided:~ 855 ~cu.ft. I OK! ~ I I I I I I I I
J.R. BONNETTENGiNEEjuNG
CML & STRUCTURAL ENGINEEIZING/CONSULTING
9306 N. NF_l41PORT NIGHWAY
SPOf:ANE, WA. 99218
(509) 468-7626
. DRA/NAGE CALCULATIONS .
OF
4 TH S TREET APARTMENTS SI TE SPOKANE, WA
o ~9ticF
O~
FOR . 0,
~ ~
J99"t
~A
~
LANZCE G. DOUGLASS go~,N~
oF wAS
~
t~`v ° ~
4 ,
~ 30693
November, 1995 0'~FRFGIS'TE4 NGJRBE Job No. 95026 S~0NAL ~
d~ o~s t a3 - ~G
BOWSTRING METHOD (TEN YEAR STORM DESIGN) I IPROJECT; 195018 I ITIME OF CONCENTRATION (minutes) I I, I I I
DETENTION BASIN DESIGN IBASIN: 161 1 1 1 I I I
10ESIGNER IJRB I ITc (overland) I I Tc (gutter) Areas I "C" A'C
NUMBER OF DRYWELLS PROPOSED I ~ IDATE: 1 i tl20195I I I 1 I I I I 1
1 ISingle (ryPe 1) 1 0 10ouble (rype 2) 1 ~ I ICt = 1 0.15 1 11-2 = I 0 I ~ 0.131 0.90 1 0.120041
Tatal Area (calc.) (see H1) 0.26 I I I I 1 I 1 lZ1 = I 100 0•13 I 0.10 ~ 0.013
Time of Conc. (calc.) (see Ht) 5.00 I I I I 1 L1(A) = I 127 IZ2 100 0.00 ~ 0.00 ~ 0
Composite "C' (calc.) (see H1)I I 0,51 ~ I I I IN(A) _ 1 0.016 18 = ~ 0 0.00 ~ 0.00 ~ 0
Time af Conc. (min) 5.00 IS(A) = 1 0.0175 1 In = ~ 0.016 0.00 ~ 0.00 ~ 0
Area (Acres) 02633192 I • 1 I IS = ~ ••0.024 ~0.00 ~0.00 ~ 0
C Factor 0.51 iTc (A) 0.77 ~ id = ~ 0.0785 0.00 ~ 0.00 ~ 0
ImQervious Area (sq, ft.) 5810 ] I ~ 1 I I ► Total A ~ Comp "C" J
Volume Provided 208: ~ 290 1 storm; ~ 406 1 iL1 (B) 0~ ITc (gu) = ~ 0.00 0.26 ~ 0.51 ~
0utflow (cfs) ~ ~ I I 0.3 ~ I I IN(B) = I 0.4 1 ITc(A+B) = I 0,77 ~ ~ I I
Area' C' Factor 0.13 IS(6) ~ 0.065 1 IQ=C'I"A= - 0.42 ~
I---------=- ~ I ~ I ITc(totJ = 5.00 ~ IQ(estJ = I 0.00 ~
#1 #2 #3 ~ #4 ~ #5 ( #6 ~ #7 ( ITc (B) _ 1 OA 1 ~Intensity = 3.18 ~ I ~ I
Time ~ Time ~ Intensiry ~ Q dev, J V in ~ V out ~ Storage I A= ~ 0.616225 1 Inc. ( Inc. I I ~ I I ReQ'd) IWP= ~ 15,7008 ~ .
(min.) ~ (sec.) ~(nJhr.) ~ (cfs) ~(cu. ft.) ~(cu, ft.) I (cu, ft,) IR = ~ 0.0392 ~
1 (#1'60) ~ ~(A*C43) I ~(6utf.'#2) ~(#546) IV= ~ 1.66 ~
~ ITc (total) = Tc (overiand) + Tc (gutter) ~ I ITc(9u) = I 0.00 1
5.00 ~ 300.00 ~ 3,18 ~ 0.42 ~ 170 ~ 90.00 ~ 80 ~ ~Tc (overland) = CY(L1'N!S"0.5~"0.6) l ~ I IQ(est) = 1 1.02 1
ICt=0.15 I I I I I I I I
5~W 300 3.18 0.42 ~ 170 1 90 ~ 80 1 1 L1= Length of Overland Flow I I I iHolding 0.00 ~
10 ~ 600 ~ 2.24 ~ 0.30 ~ 209 1 180 ~ 29 ~ IN= friction factor of averland flow (.4 tor average grass cover)
~ ~ I I
15 I 900 ~ 1.77 ~ 0.24 ~ 236 I 270 ~ -34 ~ IS = average slope oi overland flow J ~ I I I I
20 ~ 1200 ~ 1.45 ~ 0.19 ~ 251 ~ 360 ~ -109 ~ 1 Tc (gutter) = Length (ft.)Nelocity (ftJsec.)!60 I I ~ I I I
25 I 1500 ~ 1.21 ~ 0.16 ~ 258 ~ 450 1 •192 1 1B = Bottom width of gutter or ditch I ~ ) I I 30 ~ 1800 ~ 1.04 ~ 0.14 ~ 263 ~ 540 ~ -277 1 IZ1 = inverse of cross slope one of ditch 35 I 2100 ~ 0.91 ~ 0.12 ~ 267 ~ 630 1 -363 1 IZ2 = inverse of cross slope two of ditch
40 I 2400 ~ 0.82 J 0.11 ~ 273 ~ 720 1 -447 I Id = depth of flow in gutter (esdmate, check estimate with Flow) I I I I
45 ~ 2700 ~ 0J4 ~ 0.10 ~ 276 ~ 810 1 -534 1 lArea = d'B+d^2!2'(Z1+Z2) I I ~ ~ I I 50 3000 ~ 0.68 ~ 0.09 ~ 281 ~ 900 1 -619 1 lWetted perimeter = B'd+(11sin(atn(1f11))+11sin(afi(122))) ~ I• I
55 3300 ~ 0.64 ~ 0.09 ~ 290 ~ 990 1 •700 1 1Hydreulic Radlus = R= ArealWetted Perimeter
60 ( 3600 ~ 0.61 ~ 0.08 ~ 300 ~ 1080 1 •780 1, jVelociN=1,486/n'R".667"s^,5
65 I 3900 ~ 0.60 ~ 0,08 ~ 319 ~ 1170 ~ -851 ~ ~Flow=Velociry'Area
70 ~ 4200 ~ 0.58 ~ 0.08 ~ 332 ~ 1260 1 •928 1 In= 0.016 for asphait
75 ~ 4500 ~ 0.56 ~ 0.07 ~ 343 ~ 1350 1 -1007 1 Is = longitudinal slope of gutter
80 ~ 4800 ~ 0.53 1 0.07 ~ 346 ~ 1440 1 -1094
85 I 5100 ~ 0.52 ~ 0.07 sso ~ 1530 ~.1170
~ ~ I I I I I I I I
90 ~ 5400 ~ 0.50 0.07 366 ~ 1620 ~-1254
95 ~ 5700 ~ 0.49 0.07 ~ 378 ~ 1110 ~-1332
100 ~ 6000 1 0.48 ~ 0.06 1 390 ~ 1800 ~-1410
=~======-1 I I I I I I I I
I I I I I I I I I, ( I I ~ I I I
ORAINAGE POND CALCULATIONS ~ I I I I I ~ ~ ~ I ~ I I I
~Required grassy swale pond storage volume I I I I I I ~ I I I I I
Impervious Area x.5 inJ 12 inJft. 242 ~ cu, ft.
~ I I I provided:1 290 Icu.ft, OK! I I I I I ~ ~ ~ ~
I I I ~ I I I I I I I I I j
DRYWELL REQUIREMENTS • 10 YEAR DESIGN STORM~ I ~
~Maximum storage required by Bowstring = 1 ~ 80 Icu, ft,
I I I I provided;1 406 Icu. ft, IOK!
BOWSTRING METHOD (TEN YEAR STORM DESIGN) ~ IPROJECT: 195018 1 ITIME OF CONCENTRATION (minutes) ~ I I I I
DETENTION BASIN DESIGN ~ I I IBASIN: IB2 I I I I I I I I I I
I IDESIGNER IJRB I ITc (overland) I I Tc (gutter) I I I Areas I "C I A"C
NUMBER OF DRYWELIS PROPOSED ~ I IDATE: I 111201951 I I I 1 I I I I I
1 iSinAle (type 1) ~ 0 IDouble (,rype 2) I I ~ ICt= 1 0,15 1 11-2 = 1 U 1 1 0.08 I 0.90 0.073967
Total Area (calc,) (see H1) 0.151 1 1 I IZ1 = 1 1001 1 0,07 1 0.10 0.0072
Time of Conc. (calc.) (see H1) 5.001, IL1(A) = I 40 I IZ2 = I 1001 I 0.00 1 0.00 ~ 0
Composite "C (calc.) (see H1)I I 0.53 I I ~ ~ IN(A) = I 0.016 I JB = I 0 I 0.00 ~ 0.00 ~ 0
Time of Canc, (min) I I ~ 5.00 IS(A) ~ 0,42 1 . In = ~ 0.016 ~ • 0.00 • 0.00 ~ 0
Area (Acres) 0,1541855 I ~ 1 Is = ~ 0.024 J ~ 0.00 0.00 1 0
C Fador 0,53 (Tc (A) = 1 0.151 Id = ~ 0.0785 1 I 0.00 ~ 0.00 1 0
Imperoious Area (sq. R.) 3580 1 Total AI Comp "C" I
Volume Provided ' I 208:1 224 1 storm:I 224 1 1 L1(B) = I 0 ~ ITc (gu) = I 0.00 0.15 ~ 0.53 ~
Outflow(cfs) 1 ~ I I 0.3 ~ I 1 IN(B) = I 0,4 j ITc(At8)= ~ 0,15 I I I ~
Area' C" Factor 0.08 ~ I I IS(B) = I 0,005 IQ=C'I'A= ~ 0.26 1
I=--====_- I==-=====-1=-===_-=- ~====#6=--1=====-- I I I ~Tc(tot.)= I 5.00 ~ jQ(est.)= I 0.00 I
I #2 ~ #3 ~ #4 ~ #5 1 I#7 I iTc (B) = J 0.0 1 ~Intensity = 3.18 I
Time ~ Time ~ Intensity ~ Q dev. ~ V in ~ V out I Storage I IA = I 0.616225 1
Inc. ~ Inc. I Req'd) I ~ I I I I ~ IWP= ~ 15.7008 1 •
(min.) ~ (sec,) I(i nJhr.) ~ (cfs) I(cu. ft,) ~(cu, ft.) ~(cu. ft) I I I I I I IR = I 0.0392 I
I (i1'60) I I(A'C"#3) I 1(Outf.'#2) I (#546) I I I I ~ . I IV= ~ 1.66I
lTc (total) - Tc (overiand) +A c(gutter) I I T( j, = I 0.00 I
5.00 ~ 300.00 i 3.18 ~ 026 ~----104 90.00 ~ r 14 ~ 1Cc (overland) Ct (L1 N1S 0,5)A0.6)1 ~ I IQ est I 1.02 I '
~ -.I _ I I t 0.15 I I I I I I, I I
5 ~ 300 ~ 3.18 ~ 026 ~ 104 90 14 ~ iL1 = Length of Overland Flow I I I IHolding OAO 1
10 ~ 600 ~ 2,24 ~ 0.18 ~ 128 ~ 180 1 •52 1 IN = friction factor of overland flow (.4 for average grass cover) I ~ I I
15 ~ 900 ~ 1.71 ~ 0.14 ~ 144 ~ 270 1 •126 1 IS= average slope o( overland flow I I I I ~ ~
20 ~ 1200 j 1.45 ~ 0.12 ~ 153 ~ 360 1 -207 1 lTc (gulter) = Length (ft,)Nelocily (ft.lsec.)I60 I I I ~ ~
25 ~ 1500 ~ 1.21 0.10 ~ 157 ~ 450 ~ -293 B= Bottom width of gutter or ditch I II I I I '
30 ~ 1800 ~ 1.04 I 0.08 ~ 161 ~ 540 I -379 ~ jZ1= inverse of cross slope one 'of ditch
35 ~ 2100 ~ 0.91 ~ 0.01 ~ 163 ~ 630 1 467 1 JZ2 = inverse of cross slope two of ditch ~ ~ I I I
40 I 2400 0.82 ~ 0.07 ~ 167 ~ 720 -553 1 id = depth of flow in gutter (estimate, check estimate with Flow) I ~ I I
45 ~ 2700 0.74 ~ 0.06 ~ 168 ~ 810 ~ -642 1 lArea = d'B*d^2l2'(Z1+Z2) I I I
50 ~ 3000 ~ 0.68 ~ 0.06 ~ 171 ~ 900 1 -729 1 lWefted perimeter= B'd+(11sin(atn(121))+11sin(atn(1IL2))}
55 ~ 3300 I 0.64 0.05 ~ 177 ~ 990 ~ •813 ~ 1 Hydraulic Radius = R= AreaMletted Perimeter ~ I I ~ I
60 ~ 3600 ~ 0.61 ~ 0.05 ~ 183 ~ 1080 -897 ~ IVelociry =1.4861n'R",667's",5
65 ~ 3900 ~ 0.60 ~ 0,65 ~ 195 ~ 1170 -975 ~ 1 Flow = Velocity'Area
70 ~ 4200 ~ 0.58 ~ 0.05 ~ 203 ~ 1260 1 -1057 1 In= 0,016 for asphalt
75 ~ 4500 ~ 0.56 ~ 0,05 ~ 209 ~ 1350 ~•1141 ~ is = longitudinal slope of gutter I I ~ ~ I I
80 ~ 4800 ~ 0.53 ~ 0.04 ~ 211 ~ 1440 ~•1229
ss ~ 5100 ~ 0.52 I 0.04 ~ Zzo ~ 1530 ~-1310 ~ I I I I I I I I
90 ~ 5400 ~ 0.50 ~ 0,04 ~ 223 ~ 1620 ~•1397
ss I 5700 ~ 0.49 ~ 0.04 ~ 231 1710 I•1479 I I I I I I I I I I,
100 I 6000 ~ 0.48 ~ 0,04 ~ 238 ~ 1800 ~•1562
I====~=---== ~~4----=~_ I~==-==~~- I===~~.= I I, I I I I I I I
~ I I I I I I I I I I I I
DRAINAGE POND CALCULATIONS ~ I I ~ I ~ I I I I I I I I
IRequfred grassy swale pond storage volume I I I I I I I I I I I I
Impervious Area x,5 inJ 12 inlft. 149 ~cu. ft. I I ~ I I ~ I I I I
provided: ( 224 ~cu. ft. JOK!
~ I I ~ I I I I, I I I I I I I
DRYWELL REQUIREMENTS • 10 YEAR DESIGN STORMI ~ ~ I ~ ~ I I I I I I I
I Maximum storage requlred by Bowstring =1 ~ 14 ~cu. ft.
I I ~ I provided: ~ 224 1 cu. ft. IOK! I I ~ I ~ I I ~ '
. ,
BOWSTRING METHOD (TEN YEAR STORM DESIGN) ~ IPROJECT: 195018 ~ ITIME OF CONCENTRATION (minutes)
DETENTION BASIN DF.SIGN ~ I I IBASIN: 183 I I I I I I I I I
I I I ~ IDESIGNER IJRB I I Tc (overland) I ITc (gutter) I I I Areas I "C" I A'C
NUMBER OF ORYWELLS PROPOSED I IDATE: 1 11/20f951 I I I I I I I I I
1 ISingle (type 1) J 0 ~Double (type 2) 1 I I iCt = 1 0.15 1 11-2 350 1 1 0.45 1 0,90 1 0.402955
TotalArea (calc.) (seeH1) ~ I 0.63 1 I lZ1 6~ ~ 0•18 1 0.10 1 0.018
Time of Conc. (calc.) (see H1) 5.00 ~ ~ I I ~L1(A) = 1 92 jZ2 6 0.00 1 0.00 ~ 0
Composfte°C(calc,) (seeH1)l 1 0.67 1 I IN(A) = 1 0.016 IB= I 0 0.00 1 0.00 ~ 0
TimeofConc. min) I I I 5.00 ( I I Is(A) = ~ 0.01 1 I'n = I 0.016 1 1 0.00 1 0.00 1 o
Area (Acres) ~ I I 0.6277273 ( I I 1 1 Is = ~ 0,0037 1 1 0,00 1 0.00 1 0
C Factor 1 0,67 ITc (A) 0.75 ~ Id = ~ 0.355 1 ~ 0,00 1 0.00 1 0
Impervious Area (sq. ft.) ~ 1 19503 I I ~ I I I ~ I ~ Total A I Comp "C" I
Volume Provided ~ 208; 1 1044 ~ slorm: 1 1462 1 1 L1(B) = 1 0 ITc (gu) 3.30 1 ~ 0.63 1 0.61 1
Outflow (cfs) I 1 0.3 ~ 1 1 IN(B) = I 0.4 I ITc(A+B) = I 0.75 I I I I
Area' C" Factor 1 0,42 I ~ I IS(B) = 1 0.005 1 IQ=C'I'A= I 1.34 i
I========= ~ I I ~Tc(tot.) 5.00 I IQ(est.) = I 1.34 ~
#1 I #2 ~ #3 ~ #4 1 #5 1 #6 ~#7 1 ITc (B) = 1 0.0 ~Intensity 3,18 I I I I
Time ~ Time ~ Intensiry ~ Q dev. ~ V in ~ V out I Storage I I IA = ~ 0,75615 1
Inc. ~ Inc. Re4'd) I ~ I ~ I I IWP = 1 4,3188 1 •
(min,) ~ (sec.) ((inJhr.) ~ (cfs) ~(cu, ft.) ~(cu. ft.) ~(cu. R.) ~ ~ ~ I I I I IR = 1 0.1751 1
I (#1'60) ~ I(A'C'#3) I ~(Outf.'#2) I(#546) IV= ~ 1.77 1
1=-=====_' 1=== I===-=== I ITc (totaq = Tc (overland) + Tc (gutter) I ~ ITc(9u) 3.30 1
5.00 ~ 300.00 ~ 3.18 ~ 1.34 ~ 538 ~ 90A0 ~ 448 1 1 Tc (overland) = Ct'(L1'NIS^0.5)"0.6) j IQ(est) 1.34
la I J ICt=0.15 - I I I I' I I
5 ~ 300 ~ 3.18 1.34 1 53+8 ' 90 448 ~ 1 L1= Length of Overland Flow I ~ I IHolding = I 12•47 I
10 I 600 I 2.24 0.94 1 662 1 180 ~ 482 ~ 1 N= friction factor of overland ilow (A for average grass cover) I I I I
15 I 900 I 1.77 ~ 0.75 I 747 ~ 270 477 ~ IS = average slope of overland flow I I I I I I
20 ~ 1200 ~ 1.45 ~ 0.61 ~ 795 ~ 360 435 ~ ITc (gutter) = Length (ft.)Nelocity (ftJsec.)160
25 ~ 1500 I 1.21 ~ 0.51 ~ 816 ~ 450 ( 366 ~ 1 B = Bottom width of gutter or ditch I I I I ' ~ '
30 ~ 1800 I 1.04 0.44 ~ 833 ~ 540 ~ 293 j IZ1 = inverse of cross slope one of ditch
35 ~ 2100 ~ 0.91 0.38 ~ 844 ~ 630 1 214 1 IZ2 = lnverse oi cross slope two of ditch
40 ~ 2400 ~ 0.82 ~ 0.35 1 864 1 720 I 144 I 1 d = depth of tlow in gutter (esNmate, check estimate with Flow) I I ~ I
45 ~ 2700 ~ 0.74 1 0.31 1 873 1 810 ~ 63 1 lArea = d'B+d"212"(Z1+Z2) I I I ~ ~ ~ •
50 ~ 3000 ~ 0.68 ~ 0.29 ~ 888 1 900 ~ -12 1 lWetted perimeter= B'd+(1/sin(atn(121))+1lsin(atn(1fZ2))) ~ ~ I I
55 ~ 3300 ~ 0.64 ~ 0.27 ~ 917 990 ~ •73 1 1 Hydraulic Radius = R= ArealWetted Perimeter
60 ~ 3600 ~ 0.61 ~ 0.26 ~ 951 1080 ~ •129 1 1 Velocity =1.4861n'R".667's".5
65 ~ 3900 ~ 0.60 1 015 1 1011 1 1170 1 -159 1 ~ Flow = Velocfty'Area ~ I I I I I I
to 1 azoo j 0.58 I 0.24 ~ 1050 ~ 1260 1 •210 1 ~ n= 0.016 tor asphalt ~ I I, I I I I
75 ~ 4500 ~ 0.56 1 0.24 ~ 1085 ~ 1350 1 -265 1 Is= longitudinal slope of gutter I ~ I ~ I I
80 ~ 4800 ~ 0,53 ~ 0.22 ~ 1094 ~ 1440 1 -346 1
85 ~ 5100 0.52 ~ 022 ~ 1139 ~ 1530 ~ -391
80 ~ 5400 0.50 ~ 0,21 ~ 1158 ~ 1620 ~ -462 ~ I I I ~ I I ~ ~ J
95 ~ 5100 ~ 0.49 I 0.21 ~ 1197 ~ 1710 ~ -513
100 ~ 6000 ~ 0.48 ~ 020 ~ 1233 ~ 1800 ~ -567
I=========== I==-=====-1=====---= I=====_-_= I=====--==1=~=---= I I I I I I I I, I I
I I I I I I I I I I I I I I I, I
DRAINAGE POND CALCULATIONS I I I I I I ~ I I I I I I I
~ Required grassy swale pond storage volume ~ ~ I I I I . I I I. I. I.. I
Impervious Area x.5 inJ 12 inJft. 813 ~cu. ft. I ~ ~ I I ~ I I I ~
~ ~ I I provided: 1044 1 cu.ft. JOKI I ~ I I I ~ I I I
I I I I I I I I I I I I I ( I I
DRYWELL REQUIREMENTS • 10 YEAR DESIGN STORMI I I I I I I I I I I I I
I Maximum storage required by Bowstring = J ~ 482 icu, R. I I I I ~ I I I I ~
I I I ~ provided: ( 1462 1 cu. R. JOK! I I I I I I I I I
. ~
BOWSTRING METHOD (TEN YEAR STORM OESIGN) I IPROJECT: 195018 I ITIME OF CONCENTRATION (minutes) I I I I I
OETENTION BASIN DESIGN ~ I I IgASIN: 1134 I I I I I
I IDESIGNER IJRB I ITc (overland) ~ ITc (gutter) I• Areas I "C" I A'C
NUMBER OF DRYWELLS PROPOSED ~ I IDATE: 1 1 U2a195I I I ~ I 1 I I I I
0 ISingle (rype 1) 1 11 Double (lype 2) 1 ICt 0.15 jL2 = 300 j . 0,35 j. 0.90 1 0.319401
Total Area (calc.) (see 1-11) 1 ~ 0.44 1 ~ I I ~ I IZt =
I 6 I ~ 0.09 1 0.101 0.009
Time a(Conc. (calc.) (see H1) 5.00 1 ~ I I IL1(A) = I 25 I IZ2 = I 61 ~ 0.00 1 0.00 ~ 0
Composite "C (calc.) (see 1-11)~ ~ 0.74 IN(A) = ~ 0.016 1 IB= I 0 l I 0.00 1 0.00 ~ 0
Time of Conc. (min) 5.00 IS(A) = J 0.025 1 n= 0.016
I, I ~ I 0.00 ( 0.00 ~ 0
Area (Acres) 0,4448898 1 1 - Is = ' 0.007 1 j 0.00 1. 0.00 ~ 0
c' Fector ~ I I I 0.74 I I I Irc (a) = 0.26 1 Id = I 0.287 0.00 I 0.00 I o
Impervious Area (sq. R J 15459 1 I I I I ~ Total A I Comp "C" I
VolumeProvided J ~ 208:1 855 1 storm;1 855 ~ IL1 -
O- I 0 1 ITc (9u) = I 2.37 1 ~ 0.44 1 0.74 ~
Outliow (cfs) I ~ I I 1 1 1 ~ IN(B) 0.4 I ITc(A+g) = I 0.26 ~ 1 ~
Area' C' Factor I I I 0.33 ~ I IS(B) 0.005 I 1 1_ Q-C.I. - A- I 1,04 I
I======--= I=- I__== I I I
I . ITc(tot.) 5.00 1 ~Q(ast.) 1.04 ►
#1 ~ #2 ~ #3 ~ #4 ~ #5 1 96 r1 #7 j iTc (B) OA 1 ~Intensiry = ~ 3.18 1 ~ • I I
Time ~ Time ~ Intensiry ~ Q dev. ~ V in ~ V out J Storage I IA = ~ 0.494214 ~
~ .
inc. I inc. ~ ~ I I I Raa'd) I I I I I ~I• IwP= 1- 3.4e15
(min,) ~ fsec.) ~(inJhr.) I (cfs) ~(cu. ft,) ~(cu. ft.) ~(cu. ft.) J I I ~ I ~ I IR = ~ 0.1415 ~
(#1'60) (A"C'#3) Outf.'#2) (#5-#6) I I
I I I I I I I I ,
~ I r V= I 2.11 ~
1======_-=__ 1======___ j===---=== I= I ITc (total) Tc (overland) + Tc (putter) ~ I ITc(9u) 2.37 ~
5.00 ~ 300,00 ~ 3.18 j 1.04 ~ 420 ~ 300,00 j 120 ~ 1 Tc (overland) = Ct"(L1'NIS"0.5)"0.6)1 ~ I 14(est) 1.04 1 I ~ I ICt=0.15 I t I I I I I I
5 ~ 300 - 3.18 1.04 420 1 300 120 ~ IL1= Length of Overland Flow I ~Holding = j 10.69 ~
10 ~ 600 ~ 224 ~ 0.74 ~ 516 1 600 1 -64' IN= friction factor of overland flow (,4 for average grass cover) ~ ~ I I
15 ~ 900 ~ 1.77 ~ 0.58 ~ 582 1 900 ~ -318 ~ IS = average slope of ovedand flow j I ~ I I I
20 1 1200 ~ 1.45 ~ 0,48 ~ 620 ~ 1200 ~ •580 ~ iTc (gutter) = Length (ft.)Nelocity (ftJsec,)!60
25 ~ 1500 ~ 1.21 ~ 0,40 ~ 631 ~ 1500 ~ -863 ~ 1 B= Bottom width of gutter or ditch I
30 I 1800 1 1,04 j 0.34 ~ 650 ~ 1800 ~•1150 ~ IZ1= inverse of cross slope one'of ditch ~ I'II
35 ~ 2100 ~ 0.91 1 0.30 ~ -658 ~ 2100 ~•1442 ~ I22 = inverse of cross slope two af ditch
40 I 2400 ~ 0.82 1 0,27 1 614 1 2400 1 -1726 1 1 d = depth of flow In guttor (esNmate, check estimate with Flow)
45 ~ 2700 ~ 0J4 ~ 0.24 1 681 1 2700 1 -2019 ~ IArea = d"B+d"2!2'(Z1+Z2) I I ~ I I I '
50 ~ 3000 ~ 0.68 ~ 0.22 ~ 693 1 3000 1 •2307 ~ IWetted perimeter = B'd+(1lsin(atn(121))+11sin(afi(122))) ~ I I I
55 ~ 3300 ~ 0.64 ~ 0.21 ( 715 ~ 3300 ~-2585 ~ 1 Hydraulic Radius = R= ArealWetted Perimeter ~ I I I I
60 ~ 3600 I 0.61 ~ 0.20 742 ~ 3600 ~-2858 ~ IValocily =1.4861n'R".667"s",S
65 3900 ~ 0.60 ~ 0,20 789 j 3900 ~-3111 ~ 1 Flow = Velocity'Area
70 4200 ~ 0.56 ~ 0.19 ~ 819 ~ 4200 1 -3381 ~ In= 0.016 for asphalt ~ ~ ~ ~ ~ ~
75 ~ 4500 ~ 0.56 ~ 0J8 ~ 846 ~ 4500 1 -3654 ~ Is = longitudinal slope of gutter
80 ~ 4800 0,53 ~ 0.17 ~ 853 ~ 4800 1 •3941
85 ~ 5100 ~ 0,52 ~ 0.17 j 888 ~ 5100 ~•4212
90 ~ 5400 ~ 0,50 ~ 0.16 1 903 ~ 5400 ~•4491 ~ ~ ~ I ~ I • ~I• I I
95 ~ 5700 1 0,49 1 0.16 1 934 ~ 5100 ~-4766
100 I sooo I 0.48 I 0.16 962 ~ sooo i-5038
~ ~ ~ I I I
-======-1=== 1=== I-==--==== I======= ~ I I I I I I I I I
I I I I I I ( I I I I I I I I I
DRAINAGE POND CALCULATIONS
~Required grassy swale pond storage volume
Impervious Area x.5 in.! 12 in1ft. 644 icu, ft. I
provided: ~ 855 Icu. ft. JOKI ~ ~ ~ ~ . ~ . I . I • I
I I I I I I I I I I I I ~ I I I
DRYWELL REQUIREMENTS • 10 YEAR DESIGN STORM~
IMaximum storage requ(red by Bowstring = 1 ~ 120 ~cu. ft.
I I ~ I provided:~ 855 ~cu.ft. jOK! ~ I I I I I ~ ~ ~
. ,
. ~
BOWSTRING METHOD (TEN YEAR STORM DESIGN) I IPROJECT: 195018 ~ ITIME OF CONCENTRATION (minutes) I I I I I
DETENTION BASIN DESIGN IBASIN: 1134 ~ 1 1 I 1 I
I IOESIGNER IJk9 I ITc (overiand) I JTc (gutter) Areas I "C" j A'C
NUMBER OF ORYWELLS PROPOSED I I iDATE; 1 11120195 1 I • I I I ( I I I I
0 ISingle (type 1) 1 t 1 Oouble (type 2) I ICt= ~ 0.151 11-2 = ( 300 1 ~ 0.53 1 0.90 0.416694
Total Area (calc.) (see H1) 0.80 I I I IZ1 6 l I 0•27 I 0.10 0.027
Time ot Conc. (calc.) (see H1) 5.00 1 IL1(q) = I 80 1 IZ2 6 I I 0.00 1 0.00 , 0
Composite "C" (calc.) (see H1)I ~ 0.63 IN(A) = I 0.016 I IB = I 0 i ~ 0.00 1 0.00 ~ 0
Time of Conc. (min) 5.00 ~ I I S(A) = ~ 0.025 I In = ~ 0.016 1 ~ 0.00 1 0.00 1 0
Area (Acres) 0.1996602 ~ I I I I Is = ~ 0.007 1 ~ 0.00 1 0.00 1 0
C Factor ~ • I ~ ~ 0.63 I I I lTc (A) _ 1 0.53 1 Id= ~ 0.281 0.00 1 0.00 1 0
Impervious Area (sq. ft.) 23072 ~ I I 1 I I I I I I Total AI Comp "C"I
Volume Provided I I 208: ~ 855 ~ storm: 1 855 1 IL1(B) 0 1 ITc (qu) _ 1. 2.37 1 ~ 0.80 1 0.63 1
Outflow (cfs) I 1~ I I IN(B) = ~ 0.4 ( ITc(A+B) = I 0.53 1 I 1 1
Area' C" Factor 0.50 IS(B) = 0.005 1 I I I 10=C'I"A= 1.60 1
-
I~ ~ I I iTc(tot,ry _ i 5.00 ~ 10(est,) = 1.04 ~
#1 I #2 ~ #3 ~ #4 #5 ~ #6 ~#1 ~ ITc (B) 0.0 ~ Intensi 3.18 ~ 1 ~ I
Time ~ Time ~ Intensity ~ Q dev, ~ V in ~ V out ~ Storage IA = ~ 0,494214 1
Inc. ~ Inc. Re4'd) I ~ I ~ • ~ ~ IWP= ~ 3.4915 1 .
(min.) ~ (sec.) ~(inlhr.) I(cfs) ~(cu.ft.) I(cu.8.) ~(cu.ft.) I ~ I I I I I IR= I 0.1415 1
I (#1'60) I(A'C'#3) I ~(Outf.'#2) J(#5--#6) I ~ I I I I ~ 1V= ~ 2.11 1
1========= I========= ~ iTc (total) = Tc (overland) + Tc (gutter) ITc(9u) 2.37 1
5.00 ~ 300.00 ~ 3.18 ~ 1.60 ~ 644 1 300.00 ~ 344 ~ ITc (overiand) = CY(L1'N1S"0.5)"0.6) I I IQ(est) _ 1 1.04 1
I Ict~o.ts
5+ 300 3.18 ~ 1,60 6441 300 344 ~ 1 L1= Length of Overland Flow I ~ I IHolding = 10.69 1
10 600 ~ 2.24 ~ 1,13 ~ 792 ~ 600 1 192 1 IN = ftiction factor of overland Oow (.4 for average grass cover) ~ I I I
15 ~ 900 ~ 1.77 ~ 0.89 ~ 893 ~ 900 1 -7 1 IS = average slope of overland Flow I ~ I I I I
20 ~ 1200 ~ 1.45 ~ 0.73 ~ 951 ~ 1200 1 -249 1 ITc (gutter) = Length (ft.)Nelocity (ftJsec.)160
25 ~ 1500 ~ 1.21 ~ 0.61 ~ 976 ~ 1500 ~ •524 1 B = Bottom width of gutter or ditch I I ~ ~ ~ •
30 I 1800 ~ 1,04 ~ 0.52 ~ 996 ~ 1800 ~ •804 ~ IZ1 = inverse af cross slope one of ditch
35 ~ 2100 ~ 0.91 ~ 0,46 ~ 1009 ~ 2100 ~•1091 ~ IZ2 = inverse of cross slope lwo of ditch ~ ~ I I I
40 I 2400 ~ 0.82 ~ 0.41 ~ 1033 ~ 2400 ~•1367 ~ 1 d = depth of flow In gutter (estimate, check estimate wifh Flow) ~ I I I
45 ~ 2700 ~ 0,74 ~ 0.37 ~ 1044 ~ 2700 1 •1656 1 lArea = d'B+d"212'(Z1+Z2) I, I I I I I ~
SO ~ 3000 ~ 0,68 ~ 0.34 ~ 1062 ~ 3000 ~•1938 ~ lWetted perimeter = B'd+(1/sin(atn(121))+1lsin(atn(122))}
55 ~ 3300 0.64 ~ 0.32 ~ 1097 ~ 3300 ~•2203 ~ 1 Hydraulic Radius = R= ArealWetted Perimeter
60 ~ 3600 0.61 ~ 0.31 ~ 1137 ~ 3600 1 •2463 1 iVelocity =1.4861n'R^,667`s^.5
65 ~ 3900 ~ 0,60 ~ 0.30 ~ 1209 ~ 3900 1 •2691 1 1 Flow = Velocity'Area
70 ~ 4200 ~ 0.58 ( 029 ~ 1257 ~ 4200 1 -2943 1 In = 0.016 for asphalt
75 ~ 4500 ~ 0.56 ~ 0.28 ~ 1298 ~ 4500 ~-3202 ~ Is = longitudinal slape of gutter
80 ~ 4800 ~ 0.53 ~ 021 ~ 1309 ~ 4800 ~•3491 ~ ~ - I I • ~ I ~ I" I
85 ~ 5100 1 0.52 ~ 026 ~ 1363 ~ 5100 ~-3731 ~ I I ~ ~ I I I I
90 ~ 5400 ~ 0,50 ~ 0.25 ~ 1386 J 5400 ~-4014 ~ ~ ~ ~ I ~ I I I I
95 ~ 5700 ~ 0.49 ~ 0.25 ~ 1432 ~ 5700 ~4268
100 ~ 6000 0.48 ~ 0,24 ~ 1475 ~ 6000 ~•4525
~ ~ ~
~ ~ ~ ~ ~ ~
I I ~ 1 I I I I I I I I I I I
DRAINAGE POND CALCULATIONS
~Required grassy swale pond storage volume ~ ~ ~ ~ I ~ ~ I I I I
Impervious Area x.5 inJ 12 in,lft. 961 ~cu. ft.
provided:J 855 ~cu.ft, ~NoGood
I I I I I I I I I I I I I I I I
DRYWELL REQUIREMENTS -10 YEAR DE51GN STORMJ ~ ~ ~ ~ I I I I . II ~ I
~Maximum storage required by Bowstring = J ~ 344 ~cu, ft.
I ~ ~ ~ provided:~ 855 1 cu,ft. JOK! I I I I I I I I I
, . .
Fur axWAr p,• s cxtly. L an z c e G. D ou g l,a s s,
befeby asiSM io SPOKANE ('4UPf1Y, a p0lkical sulx"ion of tba Slate of Wasbiugwa, tttc fudowime:
54viopCatlUca,e N,,"rr S O 1-4 9 8 S 9 3 9 2 0 2- 3 4 $ 4, 418 . 5 0
~ . ~ . . ~
ond br1~J is wd c,y _ U,a, $aUk o f Wa s hi n g_t on , N. A.
Dwk of
EA WA Cor.porate Banking (WSASOI)• g=,uch
'Ihic aedYnsmat is n&aaa aa fowritv for tba fuu ard js~ lu~~ T.a c ej a s s, inc .
u! cciwfta suo~i, iuoeuuu~ w~l [w _,I S~ .+~t h ~Av e.~ p o k-a n e~~'~TVT--
aa spod[led io tbc ►ypical eeuiou aW roLdvwy iwN+uvtouai apuiGcarbus [a sa:.J pr(Yaa, clalrd J anuar. y, lpyb
and nu t!M ia ibe 08ioc of t!,►: %m4aae Cuwty LnW*wu. .
Aay lnretea beuclfu aoczt~od uedcr said saviqs u,lifroe s6sil raaWn t" prapcrty of _Lanzce G. Douizlass, Ine.
SQ4 mvWp c:oruGsate ta be zck-sed io , Lanzce G. Douglass, Inc.
ot Aay WbZr P:uty wsiy wuh iLs priur wrtiieq conscW aAJ ogreeomcal of $pcilcauc !'..ou4[y-
PltOVIDF.D, i•UR'R lER, " awl:tzkued dcx.s besay .uLhu6m U_ S._ lian k of Was-hingt on., 1. A.
w paY ovar w Spaiwnw Cuuuitr ali at a sW1~a puitv*iu of Ilie immim 1n glbe sa,r'ogs crwj"n rclcrcd=J havilasovt
uQoa wriilu+ doctimcntadon botu: «'Mt) ItM 1!c 5pwl"e ('AwWY Eaginm iodiieuina t6s1 dm [mrpocas 4us w"t t
uvinp cactdcmu was assgx.d 3oe uuc t,eui fuFly auLl Wlkbiiiy perEOrmGd aa fejuircd w1c1 a ila1Cu" of " AwuxJNl
ut moNoy ~ibe e;aLntr F~giacct u ccyulrad aa+! zUUKMuwt ot e1Ma w►W*,u Ol awue:Y wWL:i, we G.,.NSr ErZiacer
4trcu~s uecctsary to u~u~Ld~ wc:~-~b~~uw~. t1l,xtn;ue4,t u(6wA, wei&t.x, Lkx:nuz~Lutau,,L. La.nzce. G. Douglass, Inc.
krsv►r aWhorimc U. S. Bank of WashinQton, N.A.
iu cdaaae lu Spubsur Cuuu1r tLst aoiouul of &=uL-y cc4ucs4ed up to tde t"ajL;ssocu 1kwo4wt ia ►4e amiup cartir"e.
nAwfl itib 23rd asy ut January , iyg 6 ,
l1ANKdF U:S. Bank of Washington, N.A.
EA WA Corporate Banking (WSASOI)
" AuDpOS W. 428 Riverside, 2nd Floor
_ Spokane, WA 99201
.
uP coca
~
S r. Vice P.wi*of~ a w
~ ~ Vice"P"rsi ent Mark Virden
nqTLIu ibb 23rd d,y f January 6.
~/FLUPER
STAZB OF WA9H1N0ZX)tV )
~
Awxq of SpoJuna ) .
00 lhis a.y Femmay &&Ca, C4 WiNe use L m.n7x? 1, _'bo
,5 5 _
{O 010 ILiOkA (o I.e Iiee ID~I1VNWiiJ dqC~Gt~ ~1 aud wAt) eicW~utl (bC 1WibIA Bpil fijt • ial,uuwew, ~►uel atkso~rk~ed
that ,~jgr etua1 tbc s:anc ua . - trer• :uK1 vuluW.acY ec1 &W dectt far t4e usu ui psuVxssa tborciu ascuuvua
G[VBN 11NDEk MY tIAND ATID OFF1t:iAl. 5EAL tt,i.s c18y '1996
u
„w Afutaq-pr~~ids' t4a Slatc ot Wuiiiubu,
SEAFM $HPMAN rca`~i`►s Spo~cw~e
sTATE oF wASHMM
NOTAR'Y --o PIJ@LiC
My Cornrrussion Expiras 52M
~
STREET QUANTITIES
PROJECT NO.- B95032 DESIGNER- DWB DATE- 12/19/95
PROJECT DESCRIPTION- KERR HANSEN 4-PLEXES E. 15408 4TH AVENUE
STREET # 1
NAME- 4TH AVENUE LENGTH- 60.00 FT. WIDTH- 9.50 FT.
BEGINNING STATION = 22.35 ENDING STATION = 82.35
ONE SIDE ONLY PWIDTH= 18.50 EWIDTH= 9.00 QWIDTH= 0.00
TERM # 1: TAPER TAPER LENGTH = 80.00
TERM # 2: TAPER TAPER LENGTH = 80.00
ITEM MEASUREMENT QUANTITY
SURFACE AREA- 1330.00 S.F.
ROAD'vdAY EXCAVATION 0.67 FT. 32.8 C.Y.
CRUSHED SURFACING TOP COURSE 0.50 FT. 24.6 C.Y.
CRUSHED SURFACING BASE COURSE 0.00 FT. 0.0 C.Y.
ASPHALT CONCRETE 0.29 FT. 29.5 TONS
CURB TYPE B EXISTING 0.00 FT. PROPOSED Nv.Q6,0-9- FT.
SIDEWALK EXISTING 0.00 S. Y. PROPOSED'3• 0 3-8--9-- S. Y.
TOTALS
ROADWAY EXCAVATION 32.8 C.Y.
CRUSHED SURFACING TOP COURSE 24.6 C.Y.
CRUSHED SURFACING BASE COURSE 0.0 C.Y.
ASPHALT CONCRETE 29.5 TONS
CURB TYPE B tA(O ° -6-6-0 FT.
S I DEWALK 73. b 3-A-9 S. Y.
BOND ESTIMH i t - -r------
PROJECT NAME DATE 19-Dec-95
DRAINAGE ITEMS UNITS QUANTITY PRICE COST
1) Drywell - Type A EA 1250.00 0.00
2) Drywell - Type B EA 1560.00 0.00
3) Grate - Type 1 EA 315.00 0.00
4) Grate Type 2 EA 340.00 0.00
5) Grate - Type 4 EA 300.00 0.00
6) Backfill For DW CY 16.00 0.00
7) Concrete Inlet EA 750.00 0.00
8) C.M. Pipe 10" Dia. LF 23.00 0.00
9) C.M. Pipe 12" Dia. LF 27.00 0.00
10) C.M. Pipe 15" Dia. LF 27.80 0.00
11) C.M. Pipe 18" Dia. LF 31.50 0.00
12) Precast Manhole EA 1500.00 0.00
13) Solid lid EA 310.00 0.00
14) Ditch Excavation CY 10.00 0.00
15) Sod SF 0.70 0.00
NON STANDARD DRAINAGE ITEMS
1) Wilbert Vault Curb Inlet EA 250.00 0.00
2) 0.00
3) 0.00
4) 0.00
5) 0.00
6) 0.00
DRAINAGE SUBTOTAL 0.00
16) Monuments EA 185.00 0.00
17) Barricade LF 33.00 0.00
18) Street Signs EA 85.00 0.00
OTHER SUBTOTAL 0.00
GRADING, SURFACING, CURB, AND SIDEWALK
19) Rough Grade CY 32.8 10.00 328.00
20) Top Course CY 24.6 16.00 393.60
21) Base Course CY 16.00 0.00
22) Asphalt Concrete Tons 29.5 44.40 1309.80
23) Curb Type A LF 7.00 0.00
24) Curb Type B LF 146 8.00 1168.00
25) Curb Type R LF 8.00 0.00
26) Sidewalk SQ YD 73 16.70 1219.10
NON-STANDARD ROAD ITEMS
1 ) 0.00
2) 0.00
3) 0.00
4) 0.00
GRADING AND SURFACING 4418.50
G RAN D TOTAL 4,418.50
3 c~ (Apagesio, ~
Post-it° Fax Note 7671 Date/ 2
To L~',l~~CE .P~e ~~.~SS Fro m~ u.E~ ~ wS lt t~
Co./Degt. - Cosi~e~ _ ~ _ ~.v (aTZ -
Phone #,~03 ^~~3L Phone ti~~~ ` 3~b O
Fax #4e 3 _ Fax #32-1~ - 7 -S ,
Assessors Parcet No. 45231.1408
SPOKt1NE COUNTY DIVISION OF ENGINEERfNG
Spokane County, Wasliington
1tIGIIT OF WAY DEED
1803
IN THE MATTER OF Fourth Avenue & sixth Avenue , RF NO. 2108
KNOW ALL MEN BY THESE PRESENTS, that the Grantor(s) ,
Lanzce G. Douglass, a married person as his separate property
For and in consideration of Mutual IIenefits, grants and conveys to Spokane County, the following described parcel
of land, situated in Spokane County, State of Washington, to-wit:
,
PDRTION OF ASSESSORS RARCEL NQO;~- 45231.140B
~ .
The South 25.00 feet and also the North 5.00 feet of the West Half '(W 1/2)
of the East 2/5 Plat of Vera, as per plat-thereof recorded in Book "O" of
Plats, Page 30, Spokane County, Washington. `
Located in the Northeast Quarter (NE 1/4) of Section 23, Township 25 North, Range 44 East, W.M., Spokane County, Washington. -
, .
. ! . .
.
. . ; f' . , .
TO HAVE AND TO HOLD the same, unto the said Spokane County for the purposes of a public road forever.
IN WITNESS WHEREOF, z have hereunto set mv hand(s) and seal(s) this day of
199 .
r , . .
.
By:~ By:
~
-over-
~
J ♦
STATE OF WASHINGTON )
COUNTY OF SPOKANE ) ss
I certify that I know or have satisFactory evidence that JLLazr"C-
(is/ar,e)-the individualo) who appeared before me, and said individual4 acknowledged that (he/sheftkry)`signed tlus
instrument, and acknowledged it as (his/her/their) free and voluntary act, for the uses and purposes mentioned in the .
instrument. Dated this-Dday bt vA" uo,r~ , 199_& .
- - ~ ~
KYLE R. MCKEON . ~OTARY PUBLIC
STAtE OF WASHINGTON In and for the State of Washington,
NOtAHY pUg~IC, residing at Spokane.
My Commisslon Ettp1ru My appointment expires: .
M
. I
rw-forms\rwdeedVcm
,
Log In ►)att,: vi o Parod
. ~7U~ sd ~lY~ . , . nr,,.,,
:l~ra~.ur~113y: A-If m`P*°^ Ruy Ely: (1.0nci
;
NO. 6 . NOTICE TO TIIE PUBLIC :
RID WAIVER, AGREEMENT AND COVENANT: KNOW ALL MEN BY 'T'HESE PR CSENTS, That Lanzce G. Douqlass, a married person as his separate property
being the owners of the following described lands in consideration of Muiual IIenef ts now or (o be fiereafter derived, do for themselves, their heirs, grantees, assigns and successors in interest hereby request and authorize Spokane
County to include the below described property in a Road Improvement District (RID) and to support ttie formation :
of a Road Iniprovement District for improvement of the road(s) described below by requesting and atithorizing Spokane County to place their name on a petition for formation of a Road Improvement District pursuant to RCW ;
36.88.050, or by requesting and authorizing Spokane County to cast their ballot in favor of a R1D beiiig formed .
under the tesolution method pursuant to.RCW 36.88.030, and/or by not filing a protest against the forn-►ation of a ~
,
RID being formed under the alternative resolution method provided for in RCW 36.88.065 and Chapter 35.43 RCW. '
If aRID is proposed for irpptovement of the road(s) described below, said owners and successors fiir'tlier agree: (I) '
that the improvements or cori'structiori contetitplaied within the proposed RID are feasible, and (2) that the beneftts :
to be derived from the formation of'theJRTD by the property included therein, together with the amount of any
County participation, exceed the co§Cand"expense of formation of the R1D, and (3) tliat the property witllin the .
proposed RID is sufficiently developed;- provided, themselves, their heirs, grantees, assigns and successors sliall retain
the right, as authorized under RCW 36.88.090, to object to any assessment(s) on the property as a result of the
irnprovements called for in conjunction with the formation of a RID by either the petition or resolution metliod under
Chapter 36.88 RCW anci to appeal to the superior court the decision of the IIoard of County Commissioners
confirming the final assessment roll; provided further, it is recognized that actual assessments may vary from
assessment estimate so long as', they do not exceed a figure -equal to' the increased true and fair value the ;
improvement(s) add(s) to the property. It is furtiier acknowledged and agreed that at such time as a RTD is created or any county road improvement project
is authorized by Spokane County, the improvements required sliall be at the sole expense of tlie owners of property
witliin the RID or served by the improvements without any monetary participation by Spokane County.
The RID waiver contained in this agreement sliall expire after ten (10) years froin the date of execution betow. .
The above conditions and covenant appty to the following described property: .
,
ASSESSORS PARCFL NO(S~. ~ 45231.1408
the East 2/5 of Tract 134, VERA, according to Plat recorded in Volume "O" of Plats
Page 30, in Spokane.County, Washington; ;
EXCEPT the East 1/5
EXCEPT Roads Located in the Northeast Quarter (NE 1/4) of Section 23, Township 25 North, Range
44 East, W.M., Spokane County, Washington.
,a .
•
~ . •
This Agreement applies to the improvement of 6th Avpn»p RF No. 2108 by grading, draining, surfacing, curbing, paving, sidewalk construction including traffic control facilities and related
work.
These requirements are and shall run with tlle land and shall be binding upon the owners, their heirs, successocs or
assigns.
IN WITNESS WHEREOF, I have hereunto set My hand(-&) and seal(s} tilis JT\day of
199Sn .
- ~
. By: B
- Y:
r
t • .
S1'ATE OF WASHINGTON )
COUNTY OF SPOKANE ) ss
I certify that I know or have satisfactory evidence that '
. Lanzce G. Douglass, a married person as his separate property
(islare) the person(s) who appeared before me, and said-person(s) acknowledged that -bp signed this
instrurnent, and acknowledged it as ' his . free and voluntary act, for the uses and purposes mentioned in the
• instrument.
~ . .
,
Dated this day ot"r~Av`vo.~-\ i , 199 (9
_ ► . . . . ,
~ . , . ,
J, -
. KYLE R. MCKEON . . ' .
: STATE OF WASNIN6TQN NOTARY PUBLIC
My Commiss(on Expires 8-10-99 NOt1 In an Tfor the State of Washington,
residing at Spokane.
,
My appointment expires (0
. . . . , .
.
. , . ,
. , .
4 •
' i .
rw-formsln6tice6/km
~ •
. . .
: r" • . . ~ , 1-!.)a , ,
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• , • ' , ( ' ' . .1 j 1 . i .
, • .
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, ' ' • •
.F • ' t . .
• !
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SPOKANE COUNTY DIVISION OF ENGINEERIN(3 Spokane County, Washington ,
r'
. . •
pR$,INAaE EASEMENT .
The Grantor ( a) Lanzce G. Douglass, a marri.ed person" as "`his s'ep'arate Property '
ot the County of 8pokane, etate ot Washington, !or and in ooneideration og Mutual ,
eenetits, the receipt of which i• horeby aoknowlodqod, qrants to epokan• Couhty, a
political gubdivieion of the 3tate of Waehington and to the public, a Drainage
Eaeement over, under, upon and acroes the --following deecribed real property
eituated in the County of Spokane, State of Washington:
. , ~
. . , • ; • •
, . . . •
An exelusive easement Crvet and acrobs that goition of the eaat 2/5 of Tract 134, VERA, as recorded in . Volumc "0" of ptate, pago 30, in the Councy of Spokane. State of Washington, exoept the eaat 1/5. 'Chie cas0ment to be used far retention/detention of stoRn"wateT; mor'c particulary dascribcd as follovvs: ;i;, • ~ .c ~ r• t; ; ; ; , " , , • i ~ . . ` ' q ti' " , I , , , , . . ~ r . . , - , -
Beginnirg at the northeast corncr af 6aid prapcrty ; thcnce S.00°09' 13"?_. along the oast line of
aaid property, a distance of S: 00 feet co the True Proint of beginning of thle description (said point
being 25.00 feet snuth of cenjerline af 41h Avenue); thenct continuing S.00°09' l3"B. a2ong said
eaat lina a distance af 30.00 feet ; thence N.89°58' 13"W. 93.00 feet; thence N.00°09' 13"W. .
30.00 fc,et; thence S.89°SS' 13L. 93.00 feet to the rn.w Fbint of Bcgjnning. , , . e ~ ~ . . ; , . . .
, Containing 2,790 e.f.. moro or tese.
The Drainage Eaeement granted to SpokanQ , Countyvite authorized agente, and to the;
publ ic, ie for the eole purpoBe og allowing.: .the , f low :of, ...natural drainage . and/or :r
runoff from man made facilitiee%acroes and. . over the lande, deecribed above, and for - the diepoeal of natural drainege and/or runoff -from man. made *facilitiee in the public right of way upon the lande'described above. , ` -
Spokane County and its authorized agente are hereby granted the right of ingrees•
and egrese to, over and from eaid Drairtage EaBement for 'the purpose of inepection
and emergency maintenance of water quality treatment ewales (11208" swales) and
other drainage facilitiea, if not properly,maintained by the Grantor(e), or their
eucceeaore in interest;. Spokane County doee not accept the reeponsibility to
inepect or maintain the Drainage Easemente or drainage ewales, except for the
drywell located ae deecribed above, nor doee spokane County accept any liability
for any failure by the Grantor(e), or their. eucceesore ;in intereet, to properly":
maintain euch areae. _ . . . , . . . _
t The Grantor(e), or their eucceaeore. in intereet, ehall be held reeponaible for
keeping open and maintaining the eurface path of natural or man made drainage flow
over and acroes the property. ,
,
The Grantor(s), or their successors in interest, ehall maintain all water quality
. treatment ewalea (11208" ewales) and drainage ditchee eituated on the property, and
any portion of a' 11208" ewale eituated in the public right of way adjacent to the
property, with a permanent ground cover ae epecified on the.:,.:,current, approved plans
on f i le at the Spokane County Engineer' B Of f ice The j: Grantor ( e),. or their
successors in interest, . may inetiall. ;:,'.approved-ehrubbery-:and/or treee which:,.do not
obstruct the flow and percolation of,-storm drainage water :in the "."208" ewale rand
drainage ditchee, ae' indicated by the current approved plane on file with the
Spokane County Engineer'e Office. .
The Grantor(s), or their successors in interest, or their repreeentativea ehall
inform each eucceeding purchaser of all Drainage Eaeemente on the property and of
their responeibility for maintaining eurface drainage pathe and ewalee within eaid
Drainage Eaeemente.
Spokane County does. not accept the reeponeibility of maintaining the drainage
courae within Drainage Eaeemente or floodplain areae on the property, nor the .
reeponeibility for any damage whateoever, including, but not limited to, inveree
condemnation to any propertiee due to deficient conetruction and or maintenance of
drainage courees in Drainage Eaeemente on the property.
If the Grantor(s), or their successors in intereet faile to maintain the eurface
path of natural or man made drainage.flow, or the drainage ewale, a notice of euch
failure may be given to the Grantor(e), or their successors in interest. If not
corrected within the period indicated on said notice, Spokane County has the right
to correct the maintenance failure, or have it corrected, at the expenee of the
Grantor(e), or their successors in intereet. .
Driveway acceea permite for driveway approachee to the Spokane County road syetem
are required prior to ieeuance of a building permit. This approach ehall be ' conetructed in accordance with the approved-•plan 'on file in the Spokane County
Engineer' e Of fice. ' • i •
IN WITNESS WHEREOF, have hereunto set hand (,sJ and eea1, ,8') thie ~ day
o f P.~,uc~.v-v 19~- :
~ ~ . .
.1 .
,
STATE OF WASHINGTON ) COUNTY OF SPOKANE ) ss
I certffy that I know or have satisfactory evidence that
• -
Lanzce G. Douglass, a married person as his separate property
ie/are the pereon(s) who appeared before me,,'and eaid pereon(8) acknowledged
that ~,lC eigned thie inatrument, and acknowledqed it ae 4A%free and
voluntary act, for the uees and purposes mentioned in the instrument.
Dated thie day ot 191(o .
~
KYLE R. MCKEOK . . . - ~ , .
Si'ATE OF WASHIN6TON ~
NOTARY ~ PUBLIC , Notary
MX Cotpmiwop auuis awp." ' ( In and. for the State of Washington,
• . • ` reeiding at Spokane.
-My appointment expirea~101,?q .
etormdel/forme/jp/10
J.R. BONNETT EI EERING 4 p o~~~O~~,Q~
9306 North NewF... _ .~lighway
i SPOKANE, WA 99218
i • •
I
DATE JOB f~lO.
TEL: (509) 468-7626 • FAX: (509) 468-7534 ~~1~ 9so aL
ATTENTION
/VtGZ Do t,`G ,&ts Ko
Pa RE:
TO
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Kf4-NE o t1 A/~ ~ ~1/G ( it/ L~ -'ff SrR E~T ~.412T'M E-t/T S
~orz LA ~ c E p0 Gt.G A SS
WE ARE SENDING YOU , Attached O Under separate cover via _LN~ QF,~VIERj the following items:
>
❑ Shop drawings ❑ Prints 0 Plans 0 Samples O Specifications
O Copy of letter O Change order ~ L A W-
COPIES I DATE I NO. I DESCRIPTION
1CA,
THESE ARE TRANSMITTED as checked below:
❑ For approval O Approved as submitted 0 Resubmit copies for approval
❑ For your use ❑ Approved as noted O Submit copies for distribution
As requested D Returned for corrections ❑ Return corrected prints
>
0 For review and comment 0
❑ FOR BIDS DUE 19 0 PRINTS RETURNED AFTER LOAN TO US
REMARKS
_ ..s. • '
!w
C a
~ d G' INJt L N.
~
~
PO~iiE-t' EH6tNEfR I
S .
. ~
COPY TO jv
~
SIGNED: ~
I/ enc/osures are not as noted, klndly notify us at bn~ ~
`
REQUEST FOR DE~IGN •DEVIATTION $30.00
DATE k% zI
r
ROAD NAME 7~ ~J E,j u6 CR.P/R.ID #
NAME OF PLAT 0~&cEL- 1,". ~S Z 3 I. (40?. Plat ~
ADDRESS OF BLDG /
iYAME OF BLDG PROJECT l4 PT~ - BLDG/# B9,-' ' 5~-5z S T R
Cov~►
PROJECT g6)S a 3-~' PROJECT LIlViITS EXI.STIING CONDITIONS: PROPOSED IMPROVEMENTS:
ROA.D WIDTH VAizA y-ja' Zc~ '
y% ✓ 10 4
ZOAD SURFACE AS Q RXX-T ~'kvlro4 &F1f-4* t-T f
AVG. DAII.Y TR.AFFIC
Current Traffic Count Design Year Traffic Count
PROJECT DESCRIPTION _rw1, P"af_- 5 o u--+4 ~t T)& o F 471~ An-i Ac_&.v 7- 7'a
. * `
-T-J%4 iPQ-o v~ww TS . ~ AJ s I,t'T' o/°c /ti[l47c'q irJG gx / S o I &34
PROPOSED DESIGN DEVIATION" p0_."n tt C.vR-rS ~i Q,-v)F O l` izoPc-R-T`►' 6,w, ~O~Wl
To A L~~"s 4flE cPa~-rE AL-Le Li - Srw&r e;to s s ~LoPe-s
~,2- ~ x ~ s o ~,J c, C~ r~-~ ~ T'1a.-n ~ R ~ Tw~E~ E~ ~ ~ ~~1 c, P~ ~ ~ ~ ~i ► Pos ~
ti0, . .
NSTIFICATION: -
F-,x ISTIrJG, s1`aEE-r Gt/1,4o& Js . 17 /a (G•frfic-ft i5 i'.✓
~i
Nv,~ Co.✓~a,2~t. r~.,.~ c~~ > o CoUArT r xjo~ r. r f-fE ~~o pos L~i7 Cu "~►u nf~
COaL-~ NaT PC-AC-rIC-ALL.~/ 1COuow T?qrs 6lfllAl>& /9^ta F201+106 /4DFat %A#4rr-
~
~-z..Lo Z,j
M► N,wttx w\ ~FA CpP_ f (:7 o 2.c-~ 7'N ;.S 414/'~-rtD& ~.rou L~ l3z4~ A <-c c- Pf
tJN 1>t-~ `r+Air- ►.)C-w 5 L(lP ~ )Cr~ j4A rN C- ex ls i-~ 06
To Titr- prP-o Posen r",..J C-ti Njr__ A&A-~ T"kte- E,.lo mF ?H-& L x i s r~^iL,~ l~
4. 5 %~~'e~e- §mC-FT~ &P"j o t- mo l-E zjjFo).
Gso~a ~n C%~~-r~ ~'r~~~ G►?-+~ss ~tc~I~~`S .
.
S'JBNTTITED BY 411--3 Lc DATE /IZ / cI ~
,
ADDRESS Cf30~ IJ ~a ~l ,'r N w o I~A-r/E ~A, ZIP CODE 9 2,18
'riONE f 1 R•- 7 9 L' 4
AD TIVE VA►RIANCE FEE OF S30.00 PAID TO SPOK:ANE COUNTY
1026 W BROADWAY, SPOKANE WA 99260-0170 PHONE (509)456-3600 FAX (509)324-3478
-REQUEST WiLL NOT BE REVtEEWED WiTHOUT FUNDS-
'.-tUCHECK RECEIVED BY ,r~~uti •~«..s° ~ DATE
ern
.
DaIc» oeMon
2 c-e).N►m r~ oAPfao v r~-t- cu ~-r~ ~~Lfs ~C ~s-y'
'~55~ oncp4'~ ~/~e ~ ~~.~~'~f2. ~ ~ 77~~ ~ ~azcr~. ► ~ t= ~u ~ S7~o 9~ n~ Cc~ 2 ~ E
Q8 ot AG(S rzo .rr .
Approved Approved w/conditions Not Approved
Project Manager Date
r
~
,
` efel*00,
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Approved Approv w/conditions Not ~Pprbved
6/ elt 1 ~PrOject Management Engmeer Date
0
~
9
7Z-7 7- ~
Agproved App ved w/conditions Not Appmved
,
operations Engiww Date
SPOIS;ANE COUNTY ENGINEIIt'S
D ATION:
0. Appmved w/no conditions Approved as recommended above Not Approved
( ) ~ )
~ .~1~..
Spokan,e County ~
Date
a~s
~ , .
1i
S P O K A N E O U N T Y
UTILITIES DIVISION ~ A DIVISION OF THE PUBLIC WORKS DEPARTMENT
N. Bruce Rawls, P.E., Utilities Director Dennis M. Scott, P.E., Director
January 9, 1996
Jay Bonnett
J.R. Bonnett Engineering
North 9306 Newport Highway
Spokane, Washington 99218
Re: Design deviation for 4th Avenue 4-plexes
Dear Jay,
Enclosed is a copy of the approved design deviation which you recently submitted for the
apartment complex at East 15408 4th Avenue. Please note the comments and conditions
on the reverse side.
Please ca11 me if you have any questions.
Sincerely,
William A. Johns, P.E.
County Engineer
gi~`~
Doug usko, E.I.T.
Plans Review Engineer
encl.
1026 W. Broadway • Spokane, WA 99260-0180 9 (509) 456-3604 FAX: (509) 4564715 TDD: (509) 324-3166
. .
S p O K A N E C O Ux%7 T Y
DIVISION OF ENGINEERING AND ROADS • A DIVISION OF THE PUBLIC WORKS DEPARTMENT
William A. Johns, P.E., Acting County Engineer Dennis M. Scott, P.E., Director
January 2, 1995
To: Bill Hemmings, P.E.
From: Doug Busko, E.I.T.
Subject: Design Deviation for East 15408 4th Avenue, B95032
4-Plex Apartment Complex
The applicant requests a deviation to allow construction of curb grades at 0.5%, and to
construct cross-slopes greater than 4.5%. The existing roadway is essentially flat, and
to obtain a longitudinal grade of at least 0.5% requires steep cross-slopes on the edge
of the road. The distance along the roadway for the non-standard cross-slopes is about
38.
I recommend approval of the request for the construction of the curb as designed,
provided it is staked by a Professional Engineer or Land Surveyor, and that the section
be water-tested after completion.
~
1026 W. Broadway Ave. • Spokane, WA 99260-0170 •(509) 456-3600 FAX: (509) 324-3478 TDD: (509) 324-3166
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Spokane, WA. 99216
Phone: 509-488-7828
Faac 50~-488-7534
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To: DOUG BUSKO
y Emm
Comparay: SPOKANE COUNTY ENGfNEERS
~ im.... P...r .ME. pw
Phone: 456-3600
-ow
'Fax: 324-3478
an~
~ Frome JAY B Q N N ETT
. mn~ u... a... e4..
Company: J.R. BONNETT ENGINEERlNG
~ n.~ ~ ~
Phone: 509468-7626
mn~ s..a ~
Fax: 509-468-7534 ~
-M
Date: 2/21195 .
Pages including this cover page: 2+1=3
'Po-S .
Comments:
Re: 4TH Stree! Apartmsnts tor Lanzae Douglass
3pokane County Ref. # 895032
JRBE Job # 85028
Doug:
Attached Is a photocdpled portion at th• 4th Avsnue Improvements pian and the street cross slope
caicufaaons that you requested for the above proJeet. Please note that the grades trom the centertine 40
~ the edge of existing paving is between 2.796 and 3.2496. The grades between the edge of exdsting paving
and the proposed flowline towards the end ot the existing taper exceed 4.596 for a shart distance. Since
these steeper grades occur only a short distance trom the curb, I do not teel that there is a satety hazard
slrtce tfie breakline Is not within the driving lane and trafflc speed will be very low approeching Sullivan
Rvad.
In additlon, since the exisUng grade of 4th Avenue Is very flat, approximAtely. .17%, and not in
conformance to the 3pokane County Standards, the curb and guttet could not practically foltow the grade '
of the existing roadwa►y and stilf canform to the Courrty Standards and provida sdequate drainage.
Therefore, the grada of the curb has been set (D .596, which is an acceptable minimum grade per the new
County standards. Thts grade aliows for stormwater runoff to eTfecb"vely convey down the guttar to the
adequateiy slzed drainage facilities.
Ghren the nature of the raosting conditions along 4th Avenue, tt Is nat practical !n this situetlon to conform
to the Spokane County Standard for mabmum cross slopes. I feel that the design presented offars an
adequete solution to the aituation, white stlll maintslning an adequate level of public safety. Please
contett rne wlt'h your commetlts.
Jey Bonnett, P.E.
,
T 0' d b£SL 89b 609 DN I 2J33N InN3+113NN08 ' 2!r " l:ld 98: £0 f1Hl
~
MATCH F,XiSnNC PAVINC.
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1603 J '
JAY R. BONNETT ~
925 E. SHARPSBURG, #215 489-2730
SPOKANE, WA 99208 9269/3251
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SPOKANE RAIIWAY .
~ . : . ~ CREDIT UNION ~
P.O. BOX 6011 SPOIfANE. WA 99207
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~ii'00 L60311' i:3 25 I8 26901: 354350 LO~11'
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J.R. BONNETT Ef -----IERING
9306 North Newl ighway 1M4~1 ODEP Vo s~~~~VVQ1L
SPOKANE, WA 99218
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TEL: (509) 468-7626 • FAX: (509) 468•7534 DATE IZ/~~~g ~ ~oB ~~~Z ~
Al'TENTION' , "je. /POGI G /3Gl S r- o
To RE:
ox vw rcI- ~N ~ i~✓~~rzS 47 ~ e~-~et,-)- .40, -~~7 ^44--2t-11
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1 ~1995
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WE ARE SENDING YOU 6Attached O Under separate cover via ~7`~'✓~ the fc;:lowing items~-
~ A.~.,
> ~ 406o,* Wi:e~[~s ~aa'3~1~~~EEA ❑ Shop drawings ❑ Prints 0 Plans ❑ Samples
❑ Copy of letter ❑ Change order ❑
COPIES I DATE I NO. I DESCRIPTION I
9- zv d e
THESE ARE TRANSMITTED as checked below:
J< For approval O Approved as submitted O Resubmit copies for approval
❑ For your use ❑ Approved as noted O Submit copies for distribution
❑ As requested 0 Returned for corrections ❑ Return corrected prints
>
O For review and comment O
O FOR BIDS DUE 19 ❑ PRINTS RETURNED AFTER LOAN TO US ,
REMARKS
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COPY TO
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SIGNED: IIf enclosures are not as noted, kindly notify us adonce. -
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PER■ f R T DOCUMENT TRANSM TTAL
Spoka4 1e County D4 Y ision of VVild7ngs
4 0L.V i • BroC.idYVGIy llY'•r•
Spoka6"le, WA. 99260
, Project Address: 15++0,pj C. L--j,) F'roject ~5 ct rl q,31 9-!J~
Business Name: ~ .
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CONTACT: Phone: Lr;~
1llfaMting Address; ~c~ n1w &If `w ~ ~ ~ o c5
COORDINATOR; Phone:
DOCUMENTS Cii~CULATED
.1,+~tr1 . . Dea3c1r. ~p#~Lf4J1 ~ BuIldlng Tanlng ~npinaetv }iasltll_ t7is~ utltftfsc SCAPCA
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DO~UM~~~ ~~ANSM TTf LL
Spokane Gount~r Division of Bui[ding5 ~
~ 1026 W Broadway Ave. ~
Spokane, 11VA. 99260
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P raject Add re s s: ! f'roject qr-~
Business Name:
CONTACT: e,~-~ 6,0 jj Phone; L~c;(,-rajp~
IVlai1ing Address: 2.~ ~c; ~Ivq ~ ~15 ~
COORDI NATOR: Pnone:
DOCUMENTS C1RCLlLATED Firt '
De$cription BufICInQ xoninQ Engirioerr. Heatd, o~siguunuer. scnpcn ,
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~ D E 0 -44 1995 ;
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PERMIT DOCUMENT TRANSMITTAL
Spokane County Division of Buildings
1026 W Broadway Ave.
Spokane, WA. 99260
Project Address: ISLA_, 93 -c , L~- -~h Project q,r) . q rl q ;5 a 9 qr7
Business Name: qo uf) %4 A,~~, (rxnnI,e-v .
CONTACT: eC; 0, u I ( ` I - Phone: . ~
Mailing Address: WW I
b~\( ir 2C> 15
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COO RD i NATO R: Phone:
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DOCUMENTS CIRCULATED
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Description ButtEin9 Zonloy 4 F.nyln'N ~ HQatth Olctft~ Uttltdoc SCAPCA C`f r 44' r f I'a.vc.. X- .
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Received 6y .
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Date of Transmittai: ~.2rl Circulated by:{j
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~ :'~OV 2 71995
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: s~os~~~~ c~~=Nt~~ Es}GIr~EER ~
BUILDING PEFeMIT CrtIECKLIST
~PR~-~PP-
~-~MEETING
___MPL_ETE----
--_-_:..--------,L~?EQUIRECOD
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. . . . . . ~ . MANAGEMENT
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AGREEMENT TO PAY FEES X
R{GHT OF WAY DEPARTMENT
DEED
EASEMENTS
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----RID
LEGAL DESCRIPTION CHECK —
LETTER FROM SCAPCA
RECIPROCAL USE AGREEMENT
APPROACN PERMIT X
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: SITE .
NORTN ARROW X~
S CA L E - , u.------ _ X
BENCHMARK X :
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ROAD NAMES X
R/W DlMENSIONS - ~ - ~ ~ - - . . X
PROPERTY LINES X ~
SET-ASIDE shown on
GRADES (min 1.0%) X
STAMP X
PAVING (surface description) X
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TRAFFIC CIRCULATION PLAN
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LANDSCAPE PLAN (208 CONFL{CT) ~ ~ J - X
Drywell%L'td/{nlet/Splash B1ock Detaii _ _ - _ . . - - - X~
~ DRAiNAGE~~
Roof construction -X
HVAC on Roof -------X
Swale volume calculations X~...~
ISwale Cross Seciion X
Pre Developed Condition - - -----X ~ -
Post Developed Condition
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SPECIAL SOIL TESTS_'_
DITCH CALULATIONS
Pipe/BACKWATER CALCULATIONS
GRATE CALCULATIONS
RETENTION/DETENTION CALCS
10/50/100 YEAR STORM - -J~ ~ r~
TR-55
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ROAD-S
N~
Norih Arrow
Benchmark
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Scale
Gutter Grades (>0.8°l0)- . . _ _
Cross Slope (2.0%-4.5%)
Drainage Report
Drainage on Plans
Curve Data (radius, hc, vc)
Pavement section
Tapers/fog stripe - - - -
Engineers Stamp
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Quantities/Bond estimate
Bond
Mylar
Owners Signaiure
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County Stamp
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S P O 1t A N I~ , . C O U N 'I' Y
OTFICE nF TilE CnUNTY CNGINEER • A DIVISIQN OCTiIC I'UOt.IC WOf{KS I7Cf AR7MENT
Ronaicl C. ! Iortnanii, 1'.C., County L'ngineer i)ennis M. Scott, P.E., Ulrector
AGnErMENT To rAY rErS
v .r.INCra's AGaccMCNT NUMI3ER Q,
'T'liis agreement belwecn Spokarie Cotiiity ancl ~ . . ►
inaiiie cr oi
Iiose intcrest in (lie project is
(I.c. owncr'• agcm, tic.)
; enterecl irito this 'Z- k ciay of /vc~~u.- , 19 'I'iiis agreer»enl is applicable to (lie rroject
iyown cis:
21(D F ~ •
(rrojcct auuress or incnainc oc iiic nu+»ucr) .
Tliat ►he inclivicfuals ancl rarties nt-imecl Iiere'tn as having ati interest in (lie above cleseribecJ prorerly or
projcct agrce to the following:
l. Reimburse Srokane Coun(y for project revicw ancl insrection fces -cis sreciCiccl i»
Charter 9.14 of tlie Spokane County Cocle. Tlie fees will b:, basecl oii actual salary
costs incurrecl hy Spokane Cc)unty for projcct rcviews aiiel / or inspections rltis a tcii
percecik adm!»istrative charge, anel will !ie billecl iiioiitlily as tiecruecl. /1ily fina1
billing amou«ts, tc~ filclucle any Iate fees or aiiy otlier expenscs incurreci irt (lie
collection of an overdtie accourit must be paid prior to (lie Courity's acceptance of
the rroject for filirig.
2, ?lie unclersignecJ agrees that tliese fees are efue ancl payable upc}n reeeipt of the
billing as specifiecl above. ,
3. Any invoices not paid witiiiii 30 clays of Ihe iiivolce clatc wili 1}e subjectecl ta a Iate fcc cliarge of l°Io pcr i»onth (12°l0 pcr year) oii tiie u~~pt-iicl ba11nce of (lie acco►iiit
ancJ any aeeniecl lale fee eftarges. In aclclition, if any outsttlilclinb balanee on (lie
accounl for lliis project is not paicl within 30 cfays of the invaice clate, no fiirtiler
reviews of tlie Project clocu»>eiits will be concluctecl u»til tlie entire account balance
is paicl. Any balancc on (lie account for tliis rroject not paicl w'tthin 65 clays of (lie
invoice cliite niay result in legal actian ot (lie initation of othec collection rroceeJures, iilclt,(ling rcferra) to a colleclion agency. 71)e Sponsor will be liable for any t'liid all
expenses inctirrecl by tlie Cotliity for the co!lectio» of overclue accoijiits.
q. Tlie nlontlily billing sfioiild bc scnt to (lie attciition af: •
N A M C : (nr- _ 12~' u
AD D Ct CS S: /•Sr f
CIT'Y, S"i'ATE: - ~ c~ • 1/llA... . o
Z I P CO D E: ~.~..C5~
T'1 IONL .7 ~
- ~c ~9s
1 unelers(ancl Chnt Failurc tc~ ~~ay (liesc fees may resull in clclay in conirletic~n or approva tl~e projcct or
)tl~er rossil~le sanclions.
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❑ If tltis fce iSreenicnt is cc~ni~~letecl l~y soineorie otlicr t1~7~1 ll►e S~~c~~~sor (i.e., (lie
project owner or a~~rincipa! ii~ tlie f7rrn sr~~nsoriiig the rroject), sticll as (lie rngineer
elesigiiing t}~e rrc~ject, tlicn ~vritten autlio;izatic~it from tlie Slic~nsor s~~eci[ically
nullioriziiig ll~c tlsetit lu cxec~ite llits ree A6ree»>eitt is allacllecl to lltis Fee
Agrcel>>ent.
? StGNf1TUItE By• - -
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v.FtIT'_nw.[?nPY Tn 51*0"Up, COUj" Vj,.,JqFElls ,
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ADDRESS: j G4Oe> F-- 4-T`1-1 Avj:~ ~
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OWNER: PHONE: ~
ADDRES S : 2-04 S `3 40 7" ~ST,
BUSINESS NAME:
CONTACT. . PHONE. g~~ log~
ADDRESS: MNf~ 971+
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A~?n2s'to•;3 v~A 1 N?~~.
LEGAL DESCRIPTYON: Nv- v/4 !X,6no 23 7 ? s ~
PARCEL NUMBER: 4-GZ3 1 I4-cS ,
DETAILED PROJECT DESCRIPTION: I p 4- PL.-f-cV 1~ .
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1995 i
VALUE: } u
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.~REVIEW COORUINATOR:..
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. ` 1R.'BoNNETTENGiNEEjuNG
CIVIL & STRUCTURAL EIUGINEF_RING/CONSULTING
9306 N. NE, WPORT HIGHWAY
SPOKANE, WA. 99218
(509) 468-7626
DRAINAGE CALCULATIONS
OF
4TH STREET APARTMENTS SITE SPOKANE, WA
SPO AFC~~~
OFfIC1AL PU
BLIr DOCUMENt
SF4KANE CQUNTY ENGINEER'S OFFICE
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PflOJECT # S~ Z
SUE3CAITTAL #
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RETURN TO COUNTY EiUG1NEER
LANZCE G. DOUGLASS go~,N~
WAS~i,y .
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November, 1995 Fc1ST E~
JRBE Job No. 95026 SS~~NAL
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DRAINAGE gASIN KEY PLAN
NTS
. ~
BOWSTRING METHOD (TEN YEAR STORM DESIGN) I IPROJECT; 195026 I I11ME OF CONCENTRATION (minutes) I I I I I DETEN110N BASIN DESIGN I I I IBASIN: I131 I I I I I I I I I I
I I ~ I IDESlGNER I JRB I ITc(overland) ~ ~Tc(qutter) Areas I "C" ~ A"C
NUMBER OF DRYWELLS PROPOSED I I I DATE: I 1128l951 I I I I I I I I I
1 ISingle(typel) I 0 IDouble(type2) I ~ ICt= I 0,15 I I1-2= ~ 01 I 0,13 I 0.90 1 0.120041
TotalArea (calc.) (seeH1) ~ I 0.26 I I I IZ1 100 I I 0,13 I 0.101 0.013
Time ot Conc. (calc.) (see H1) 5.00 IL1(A) = I 1271 IZ2 1001 ~ 0,00 I 0.00 I 0
Composite "C" (calc.) (see H1) I I 0.51 ~ ~ I I I N(A) = I 0.0161 B= ~ 0 1 ~ 0.00 1 0.00 1 0
Time of Conc. (min) I I I 5.00 I I I ~S(A) = I 0.0115 I n= ~ 0.0161 ~ 0.00 1 0.00 I 0
Area(Acres) I I I ~ 0.2633792 I ~ Is 0.024 1 0.00 0.00 1 0
C Factor I' I I I- 0.51 I I ~ ITc (A) = I 0,77 I Id = I 0.0785 1 0.00 0.001 0
Impervious Area (sq• ft.) I I I 5810 I I ~ I I 1 I I I I Total A! Comp "C"I
Volume Prcvided ~ 208: 1 290 ~ storm: I 406 ~ I L1(B) = I 0 ~ ITc (qu) = I 0.00 ~ I 0.26 I 0.51 I
Oufflow (cfs) I I 1 0.31 I ~ I N(B) = I 0.4 I ITc(A+B) = I 0.77 ~ I I I
Area' C" Factor _ I 0.131 S(B) 0.005 1 I ► I I Q=C`I'A= 1 0.42 1
- I I
- - '
- ITc(tot)= I 5.00 IQ(est) I 0.00
#1 I----#2 I #3 I I I #s I
~ ~ #7 ~ jTc (B) = I 0.0 I I Intensity = I 3.18 ~ I I
Time I Time • I Intensiry I Q dev. f• V in ~ V out I Storage ~ ~ I I I I ( IA = 0,616225
Inc. ~ Inc. I Req'd) ~ ~ ~ I I I IWP = 15.7008 1
(min.) ~ (sec.) I (in.mr.) ~(cfs) ~(cu. R) ~(cu. ft) I(cu. ft.) I I I I I I IR = I 0.0392 I
I(#1*60) I I(A'C`93) I I, (Ouff.'#2) I(tt5-#6) I I I I I I I IV= 1.66
I
-
I--- I _ 1-70 - - I-------- II I IITc total Tc overland +(9 ) I IT (9u) = 0,00 I
5.00 I 300.00 3.18 0.42
~ I 90.00 80 I Tc (overland) `Ct"(L1"NIS"O.S),1O 6) I I I0(est) 1.02
I Ct=0.15 I I I I I I I
5q 30-01 3.181 0,42 170 90 80 ~ L1= Length of Overland Flow I ~ I I Holding = 0.00 ~
, 10 I 600 I . 2.24 ~ 0,30 . 209 ~ 180 I 29 ~ IN= fricUon factor of overland flow (.4 for average grass cover) ~ I I
15 ~ 900 ~ 1.77 I 0,24 236 ~ 270 ~ -34 I IS = average slope of overland flow I I ~ I I
20 1200 ~ 1•45 ~ 0.19 ~ 251 ~ 360 1 -109 ~ ITc (gutter) = LenBth (ft)Nelociry (ftIsec.)160 I ~ I I I
25 1500 I 1.21 ~ 0.16 ~ 258 ~ 450 I -192 I 1 B= 8ottom width of gutter or ditch I I I I ~ I
30 I 1800 ~ 1,04 ~ 0.14 ~ 263 I 540 I -277 I iZ1= inverse of cross slope one of ditch I I I I I
35 ~ 2100 ~ 0•91 ~ 0.12 I 267 ~ 630 -363 ~ 1 72 = inverse of cross slope two af ditch i
40 I 2400 ~ 0.82 0.11 ~ 273 ~ 720 -447 ~ I d= depth of flow in gutter (estimata, check estimate with Flow) I I I ~
451 27001 0.74 0.101 2761 810 -5341 IArea=d"B+d"212'(Z1+72) I I
50 3000 I 0.68 I 0.09 I 281 1 900 -619 I MeKed perimeter = B"d+(11sin(aM(1141))+1/sin(atn(122))) I I ~ I
55 3300 I 0,64 1 0.09 ~ 290 ~ 990 -700 I I Hydraulic Radius = R= ArealUlfeBed Perimeter I I ~ ~ I
60 ~ 3600 ~ 0.61 ~ 0.08 ~ 300 ~ 1080 -780 ~ I Velocity =1.4861n'R".667's".5 I I I I I
65 ~ 3900 0.60 ~ 0.08 319 ~ 1170 I -851 ~ I Flow = VelocityArea I
70 ~ 4200 0.58 ~ 0.08 332 ~ 1260 -928 n= 0.016 for asphalt ~ ~ I I I I
75 ~ 4500 0.56 1 0.07 343 ~ 1350 •1007 Is = longitudinal slope of qutter I I ~ I I
80 4800 0.53 ~ 0A7 346 ~ 1440 ~-1094 ~ I ~ I I I I
85 5100 0.52 ~ 0.07 360 1530 .
~ 1170
I I I I I
so saoo 0.50 i 0.07 ~ sss 1620 ~-1254
I I I I I I I I
ss 5700 0.49 0.07 ~ 378 ~ 1710 I' •1332 I I
I I I I I
100 6000 0,48 0.06 390 1800 -1410 ~
I I
I I I I I I
- ~ I' I I I
- ~
I- - I====-- I, j I I
I I I I I I I I I I I I
pRAINAGE POND CALCULATIONS ~ I I I I I I I
! Required grassy swale pond storage volume
Impervious Area z.5 inJ 12 in.lft. 242 !cu, ft.
~ I I ( provided: ~ 290 ~ cu. ft. OKl
I' I I I I I I I I I I I I I
DRYWELL REQUIREMENTS -10 YEAR DESIGN STORM ~ I I I I I ~ ~
~Maximum storage required by Bowstring = 80 cu. ft.
I I I I provided; I 406 cu. ft I OK! I I I I I I I I
BOWSTRING METHOD (TEN YEAR STORM DESIGN) I IPROJECT: 195026 I IT1ME OF CONCENTRATION (minutes)
I M I I
DETEN110N BASIN DESIGN I I I IBASIN: IB2 I I I I I I I I ~
I !DESIGNER IJRB I ITc(overland) I ITc(gutter) I I Areas A'C
NUMBER OF ORYWELLS PROPOSED I I IDATE: I 11281951 I I I . I'' I ~
1 lSingle (rype 1) 1 0 1 Double (iype 2) I ICt = 0.15 I I L2 0 1 I 0,08 0.90 I 0.073967
Total Area (calc.) (see H1) 1 ~ 0.151 I I I 1 I I IZ1 = I 100 l I 0,07 I 0.101 0.0072
TimeafConc.(calc.) (seeHt) I ~ 5.001 I ~ I JL1(A)= I 40 I JZ2= ~ 1001 1 0,001 0.001 0
Composite "C" (calc.) (seeH1)I ~ 0.53 I ~ I IN(A) = I 0,016 1 IB= ~ 0 I ~ 0,00 I 0.00 I 0
Timeof Conc, (min) I I I 5.00 I I JS(A) = I 0.42 1 In = I 0.016 I ~ 0,00 I 0.00 ( 0
Area (Acres) 1 I I I 0.1541855 I 1 I ~ Is = ~ 0.024 I ~ 0.00 I 0.00 ~ 0
C Factor 1 I ~ I 0,53 I I I ITc (A) = I 0.15 I ld = 0.0785 I I 0.00 I 0.00 ~ 0
Imperoious Area (sq. ft.) I ~ I 3580 I I I 1 I I 1 I ~ Total AI Comp "C"I
VolumeProvided I I 208:1 224 1 storm:~ 2241 IL1(B) = I 01
ITc (pu) = I 0.00 I ~ 0.15 I 0.53
Outflow (ds) I I I I 0.3 I I I IN(B) = I 0.4 I ITc(A+B) = I 0.15 I I I
Area' C" Factor 0•08 1 S(B) _ 1 0.005 1 1 1 I I4=C'1'A= 1 0.26 1
1= I O.oO
I I--------- 1===---- ~ =
I I I Tc tot _ 5.00 I IQfest
I
#1 I #2 #3 #4 I #5 I #s I#7 I ITc O I 0.0 1 lIntansty _ 1 3.181 I I I
Time I Time ~ Intensity ~ Q dev. ~ V in ~ V out ~ Storage ~ I ( I I IA = I 0.616225 I
Inc. I Inc. I I . I. I . I Req'd) I IWP= I 15.7008 1
(min.) j (sec.) ~(in.mr.) j(cfs) ~(cu, ft,) I(cu, ft.) I(cu, R) I I I I I I I IR = I 0.0392 I
I' (#1'60) I I(A'c'#3) I I(oue.*#2) I(#s-tss) I I 1 I I I Iv= I 1.66 I
j=___===_= 1=====_=_= 1==== 1=====___= 1=====__j ITc(total)=Tc(overland)+Tc(gutter) ~ ITc(9u) = 0.00
5,00 300,00 ~ 3.18 ~ 0.26 I 104 ~ 90.00 ~ 14 I 1 Tc (overland) = Ct"(L1"N/S"0.5}^U.6) I IQ(est) = 1,02
.
~ ICt=0.15 I I I I I
5]----- 340 } 3.18 0.26 ~ 104 90. 14 I 11-1= LenO of Overland Flow I ~ ~Holding 0.00
10 ~ 600 ~ 2.24 0.18 I 128 I 180 1 -52 I I N= friction factor af overland tlow (,4 for average grass cover) 15 ~ 900 ~ 1.77 ~ 0.14 ~ 144 I 270 ~ -126 I IS = average slope of overland Aow I I ~
20 ~ 1200 ( 1.45 ~ 0.12 I 153 ~ 360 I -207 I ITc (gutter) = Length (ft)Nelocity (fLlsec.U60 I
25 ~ 1500 ~ 1.21 ~ 0.10 ~ 157 ~ 450 ~ -293 ~ IB = Bottom width of gutter or ditch I I ~ I
30 I 1800 ~ 1.04 0.08 ~ 161 I 540 I -379 I 1 Z1= inverse of cross slope one of ditch I I I
35 1 2100 ~ 0.91 0.07 1 163 1 630 I -467 I IZ2 = inverse oi cross slope two of ditch I I I
40 I 2400 I 0.82 I 0.07 ~ 167 I 720 I S53 I Id = depth of flow in gutter (estimate, check estimate with Flow) I I I I
45 ~ 2700 ~ 0.74 1 0.06 168 ~ 810 I -642 I IA►ea = d"B+d"22'(Z1+Z2) I I I ~ I I
50 ~ 3000 ~ 0,68 I 0•06 I 171 1 900 I -729 I IWetted perimeter = B"d+(11sin(atn(121))+11sin(atn(1l22))) I I I I
55 I 3300 ~ 0.64 ~ 0.05 177 I 990 I -813 I . IHydraulic Radius = R= ArealWetted Perimeter I I I I
60 3600 I 0,61 ~ 0.05 ~ 183 j 1080 I -897 I IVelocity =1,4861n`R".667"s".5 I
65 3900 ~ 0.60 ~ 0.05 ~ 195 ~ 1170 ~ -975 J I Flow = Velociiy'Area I
70 ~ 4200 ~ 0.58 ~ 0.05 j 203 I 1260 -1057 I I n= 0,016 for asphalt I
75 ! 4500 ~ 0.56 I 0,05 209 I 1350 -1141 ~ Is = lonpitudinal slope of Autter ~ ~ I I I
80 ~ 4800 ~ 0.53 ~ 0,04 211 ~ 1440 -1229
85 5100 ~ 0.52 ~ 0.04 ~ 710 ~ 1530 I-1310 I I ~ I ~ ~ I ~ I
90 5400 ~ 0.50 0,04 ~ 713 ~ 1620 1 -1397 ~ I ~ I I I I ~ ~
95 ~ 5700 ~ 0.49 0.04 ~ 231 ~ 1710 ~-1479 ~ I I I I I I I ~ I
100 I 6000 ~ 0.48 0.04 ~ 238 I 1800 ~-1562 I I I I ~ I ~ ~ ~
===========1=====____ I==- =====1=====_== 1======= I I I I I I I I
I I I I I I I I I I I
DRAINAGE PONO CALCULATIONS ~ I I, I I I I I I I I
~Required grassy swale pond storage volume
= Imperoieus Area x.5 in.! 12 in.lft 149 ~cu, ft. I I I I I I I I I
I I provided: 224Icu.ft jOKI ~ I I I I I I I I
I I I I I 1 I I I I I I I
DRYWELL REQUIREMENTS • 10 YEAR DESIGN STORM I I I I I I I I I I
Maximum storage required by BcwstrinA = I 14 !cu. ft I I ~ I ~ ~ ~ I I
I I provided:l 224 1 cu. ft. IOKI I I I I I I I I I
BOWSTRING METHOD (TEN YEAR STORM DESIGN) I IPROJECT: 195026 1 IT1ME OF CONCENTRATION (minutes) I
DETENTION BASIN DE51GN ~ I I IBASIN: I63 I I I I I I I ~ I I
I ID_SIGNER IJRB i lTc(overland) I I Tc(gutter) I ~ Areas I "C" I A"C
NUMBER OF DRYWELLS PROPOSED I I I DATE: 1 11l28l951 I 1 I I 1 I 1 I
1 1 Single (type 1) 0 IDouble (rype 2) I ~ I ICt 0.151 I1-2 350 I ~ 0.451 0,90 I 0.402955
TotalArea (calc.) (seeH1) ~ 0,63 I I ~ I I ~ 1 IZ1 = I 61 I 0.18 i 0.101 0.018
Time of Conc, (calc.) (see H1) 5.00 ~ I I I 1 L1(A) 921 172 = 1 61 I 0.00 1 0.001 0
Composite "C° (calc.) (see H1) 0.67 I' I I I I N(A) = 0.0161 I B= 1 01 I 0.00 1 0,00 I 0
Timeof Conc, (min) I I 5,00 I I I IS(A) = 0.01 I In = 1 0.016 1 I 0.00 ~ 0,00 I 0
Area (Acres) 1 I I 1.0•6277273 ~ ~ . 1 Is = 1 0.0037 1 1 0.00 ~ 0.001 0
C Factor i I I I 0.67 I I ITc (A) 0.75 ~ Id = ~ 0.355 I 0.00 ~ 0.001 0
Impervious Area (sq. ft.) I I 19503 1 I 1 1 Total A~ Coma "C"I
Volume Provided 208:1 1044 I storm:l 1462 I I L1(B) 0 I ITc (Au) 3,30 I ~ 0.63 I 0.671
Oufflow (cfs) I 0.3 I I I 1 N(B) 0.41 ITc(A+B) _1 0.751 1
Area " C" Factor
I ~ I 0.42 I I I IS(B) = 1 0.0051 I 1 I I4=C'I'A= ~ 1.34 I
====--====1=========_= 1====~ ===1=========1=========1=========1=====_= I I I I ITc(tot
1 5.001 1 Q(est) = I 1.34 I
#1 I #2 I #3 I #4 I #s I #s I#7 I ITc (B) = ~ 0.0 ~ Ilntensity = 1 3.18 1 1 1 ~
Time ~ Time I Intensity Q dev. ~ V fn ~ V out I Storage I I ~ I ~ I (A = ~ 0,75615 ~
Inc. I Inc. I I ~ I Req'd) I I I I ~ ~ IWP = I 4.3188 I
(min,) I (sec.) ~(in.lhr.) ~(cfs) ~(cu. ft) I(cu, ft.) I(cu. ft) I I I ~ I I I IR = I 0.1751 I
I(#1 '60) I I cA•c**3l I I routf.'#21 I(#546) I I I I I I I Iv = I i.n I
===__=====1=====------ I=====_~ = I=== I=======1 ITc(totaq=Tc foverlandl+Tc(gutter) ~ I ITc(9u) = ~ 3.30 1
5.00 300.00 3.18 ~ 1.34 536 ~ 90,00 I 448 ~ 1 Tc (overland) = Ct"(L1`N/S"O.5)A0.6) 1 I IQ(est) = ~ 1.34 ~
ICt=0.15 I I I I I I ~ I
5~ 300~ 3.18 1 1.34 1 538 90 { 448 I I L1= Length of Overland Flow I I I I Holdinp = 12.471
10 r 600 2.24 ~ 0.94 I 662 180 I 482 I I N= fricGcn factor of overland flow (.4 for average grass cover) I I I
15 I 900 1.77 ~ 0.75 I 747 270 I 477 I IS = averaAe slope of overland flow I I ~ I I I
20 ~ 1200 ~ 1.45 ~ 0.61 ~ 795 ~ 360 ~ 435 ~ ~Tc (gutter) = Lengtfi (ft.)Nelociiy (Rlsec.)!60
25 I 1500 ~ 1.21 I 0.51 I 816 ~ 450 I 366 I I B= Bottom width of gutter cr ditch I I I I I (
30 ~ 1800 I 1.04 I 0.44 I 833 1 540 I 293 1 I Z1= inverse of cross slope one cf ditch I ~ I I I
35 2100 ~ 0.91 ~ 0.38 1 844 ~ 630 I 214 ~ IZ2 = inverse of cross slope iwo af ditch I ~ I I
40 2400 ~ 0.82 0.35 1 864 ~ 720 I 144 I d= depth of flow in gutter (estimate, check esGmate wiih Flow)
45 2700 I 0.74 0,31 I 873 ~ 810 ~ 63 ~Area = d'B+d"22"(Z1+Z2) I I
50 3000 I 0.681 0.29 I888 ~ 9001 •12 I IWettedperimeter=6"d+(1lsin(atn(121))tllsin(atn(122))) I I ~ ~
55 ~ 3300 ~ 0.64 ~ 0.27 ~ 917 ~ 990 I -73 I I Hydraulic Radius = R= Area/VNetted Perimeter I I I I I
60 3600 ~ 0.61 I 0.26 I 951 1 1080 I -129 I IVelociN =1.486ln'R".667's".5 I I I ~ I I
65 3940 ~ 0.60 ~ 0.25 ~ 1011 ~ 1170 1 -159 I FIow=Velocity"Area I ~ I I ~ I I
70 ~ 4200 j 0.58 I 0•24 I 1050 I 1260 I -210 1 n= 0.016 for asphalt I I I ~ ~ I
75 ~ 4500 ~ 0.56 0.24 1 1085 ~ 1350 1 -265 ~ Is = longitudinal slope af gutter I I I I
80 ~ 4800 ~ 0.53 0.22 ~ 1094 ~ 1440 ~ -346 ~ I I ~ I I I I I
85 ~ 5100 ~ 0.52 '0.71 1139 I 1530 ~ -391
90 ~ 5400 ~ 0.50 0.21 ~ 1158 I 1620 -462 I ~ I I ( I ~ I
. 95 ~ 5700 0,49 ~ 0.21 ~ 1197 ~ 1710 513 I ~ I I I (
100 ~ 6000 0.48 ~ 0.20 ~ 1233 ~ 1800 ~ 567 I I I I
I--- - I--------- I I I I I I
, -
- I I
I I I I
ORAINAGE POND CALCULATIONS ~ I I ~ I I ~ I I I I I I
Required grassy swale pond storage volume ~ ~ ~ I • I I I I I I I
= Impervious Area x.5 in.l 12 inAL 813 Icu. ft provided: 1 1044 I cu. ft JOK! I I I I I I ►
I I I I I I I I I I I I I
DRYWELL REQUIREMENTS -10 YEAR DESIGN STORM I I I I, I ~ I I I I
I Maximum storage required by Bowstring 482 ~cu. Ft I ~ ~ ~ I I
I I I I provided:l 14621cu.ft. IOKI I I I I I I
, , . , .
BOWSTRING METHOD (TEN YEAR STORM DESIGN) IPROJECT: 195026 I IT1ME OF CONCENTRATION (minutes) I I I I
DETEN110N BASIN DESIGN 1 1BASIN; 1134 1 1 1 1 1 I ' I I
I I i DESIGNER IJRB j Tc (overland) I lTc (gutter) Areas ~ "C" I A"C
NUMBER OF ORYWELLS PRaPOSED I I DATE: ~ 11R8195 I I I I ~ I I I
0 1 Single (type t) ~ 1 ~ Qouble (type 2) I I ICt = I 0.151 11-2 = I 300 1 ~ 0.35 I 0.90 0.319401
TotalArea (calc.) (see H1) I ~ 0.44 1 I I IZ1 = I 61 I 0.09 1 0.10 0.009
Time of Conc. (calc,) (see H1) ~ I 5.00 I ~ 11-1(A) = 25 I j72 = I 6 I ~ 0.00 I 0.00 I 0
Composile"C"(calc.) (seeH1)~ I 0.74 ~ I IN(A) = 0.016 I IB= I 0 1 I 0.00 I 0.00 I 0
Time of Conc. (min) I I 5,00 I ~ I JS(A) = 1 0.025 I In = 1 0.0161 I 0.00 I 0.00 I 0
Area (Acres) ~ I 1• 0.4448898 1 1 1 1 15 = I 0.0071 1 0.00 1 0.00 1 0
C Factor I I ~ I 0.74 I ~ I ITc (A) = I 0.26 1 Jd = I 0.2871 I 0.00 I 0.00 I 0
Impervious Area (sq. ft) I I I 15459 I I I I I I total AI Comp "C"I
VolumeProvided 208:~ 855 ~ storm:1 8551 L1(B)= 0I ITc(gu) = I 2.371 ~ 0.44 I 0,74 1
Oufflow (cfs) I_--_____-_ I I I I
Area `C" Factar
0,33 ~ I ~S(B) = 0. OS ~ +Tc(A+B) = i 0.~ i IQ=C"I'A= I 1.04 ~
I
- -
1==__== I _ 1.04
I I 1
j I ITcltotl = I 5.00 I Qfest1= I I
#1 I #2 I #3 I 44 I #5 I #6 I#7 ~ Tc (B) - j 0.0 Ilntensiry = I 3.181 I I
Time ~ Time ~ Intensity ~ Q dev. V in I V out I StoraBe I IA 0.494214 I
Inc. I Inc. I I I I I Req'd) I I I I I I I IWP= I 3.49151
(min.) I (sec.) I(in.lhr.) I(cfs) I(cu. ft) I(cu. ft) I(cu. R) I I I I I I I IR = I 0,1415 I
I (#t'so) I I(A"c't3) I I(Outf.''#2) I(#5-#6) I I i I I I IV = I 2.11 I
--========1=====__==== 1=======_= I=__=====1-======_= 1=====_=_= 1=====_=I Tc(total)=Tc(overiand)+Tc(gutter) I I ITc(gu)= ~ 2.37 1
5.00 I 300.00 I 3.18 I 1.04 1 420 1 300.00 I 120 I ITc (overland) = Ct'(L1'N!S^0.5)A0.6) I I I IQ(est) = 1.04 ~
~ ICt=0.15 I I I ~ I I I
51 300 I 3.18 1 1,04 j 420 f 300 1 120 IW ~L1= Lenpth of Overland Flow I ~ IHoldinp 10.69 I
1D ~ 600 I 2.24 ~ 0.74 516 ~ 600 I -84 ~ ~N =(riction factor of overland flow (.4 foraverage prass cover)
15 I 900 1.77 ~ 0,58 I 582 I 900 I -318 ~ IS = averape slope of overland flow I
20 1200 1.45 ~ 0A8 I 620 ~ 1200 I S80 I ITc (gutter) = Length (R)Nelocity (fLlsecJ/60
I I I I
25 1500 I 1.21 1 0,40 1 637 1 1500 I -863 1 B= Bottom width of gutter or ditch I
30 I 1800 I • 1.04 1 0.34 j 650 I 1800 I-1150 • IZ1= inverse of cross slope one of ditch ~ ( I I I
35 ~ 2100 I 0.91 I 0,30 I 658 I 2100 I-1442 I 1Z2 = inverse of cross slope lwo of ditch
40 ~ 2400 I 0.82 ~ 0.27 I 674 I 2400 I-1726 I d= depth of (low in gutter (estimate, check esGmate with Flow) I I I
45 ~ 2700 I 0.74 I 0.24 1 681 I 2700 I-2019 ~ Area = d"B+d"2!2"(Z1+Z2) I I I I I
50 3000 ~ 0.68 ~ 0.72 I 693 ~ 3000 I-23071 Iwettedperimeter=8'd+{1lsin(atn(121))+1lsin(atn(11Z2))) I I I I
SS 3300 ~ 0.64 ~ 0.21 ~ 715 ~ 3300 -2585 ~ IHydraulic Radius = R= AreaMletted Penmeter I I I 1
60 I 3600 ~ 0.61 0,20 ~ 742 I 3600 -2858 I !Valocity =1.4861n'R".667's".5 ~ I I ~ I
65 3900 ~ 0.60 0.20 I 789 ~ 3900 -3111 I I Flow = Velocity'Area I
70 4200 1 0.58 0.19 1 819 1 4200 -3381 ~ n= 0.016 for asphalt I
75 4500 ~ 0,56 ~ 0,18 ~ 846 ~ 4500 ~-3654 I s= longitudinal slope of 9utler
80 4800 ~ 0.53 ~ 0.17 ~ 853 ~ 4800 I-3947
85 5100 ~ 0.52 ~ • 0.17 I' ' 888 ~ 5100 1 -4212 ~ ' I I I I I I I
90 ~ 5400 0.50 ~ 0.16 I 903 ~ 5400 ~-4497 ~ I I I I I I I ~
, 95 ~ 5700 0.49 ~ 0.16 934 ~ 5700 ~4766 ~ ~ I I I I ~ ~ ~
_ 100 ~ 6000 0.48 ~ 0.16 962 ~ 6000 ~-5038
I--------- I--------- I ~ ~ ~ I I I
I I I I ~ ~
~ ~ I I I
DRAINAGE POND CALCULATIONS ~ I I I, I I I ~ I I I I ~
~ Required grassy swale pond storage valume
Impervious Area x.5 in.f 12 in.lft. 644 cu, ft, I I ~ ~ I ~ I
~ provided;~ 855 !cu.k. ~OK! I I J ~ I I
I I I I I I I I I I I I I
DRYWELL REQUIREMENTS -10 YEAR DESIGN STORM I I I, ~ I I I I I I I
lMaximum storage required by Bowstring = 120 ~cu. ft
I I I provided:l 855 1 cu. ft. OKl I I I I I I I I I
BOWSTRING METHOD (TEN YEAR STORM DESIGN) I IPROJECT: 195026 I 1TIME OF CONCENTRATION (minutes)
I I I I I
DETENTION 9ASIN DESIGN I I ~ IBASIN; , I64 (ALT) I I I I I
I I I I IDESIGNER IJRB I ITc(overland) ~ ITc(autter) I i ~ Areas I "C" I A•C
NUMBER OF DRYWELLS PROPOSED I I I DATE: I 1128l951 1 I I I 1 I ~ 1 I
0 ISingle(typel) ~ 1 IDouble(rype2) I ~ I ,Ct= I 0.151 I1-2= ~ 3001 0.531 0.901 0.476694
TotalArea (calc.) (seeH1) 0.801 I I Z1 = I 61 0.27 1 0.101 0.027
Time of Canc. (calc,) (see H1) ~ ~ • 5.00 1• I " I I ' I L1(A) = I 801 Z2 61 I 0.00 1 0.00 1 0
Composite "C° (calc.) (see H1) ~ 0.63 1 I I I I N(A) = I 0,016 ~ • I B= I 01 ~ 0.00 0.00 1 0
Time of Conc. (min) I I 5.00 ~ I I IS(A) = I 0,025 ~ In = I 0.016 ~ ~ 0.00 0.001 0
Area (Acres) I I I I 0.7996602 I I I 1 Is = I 0.0071 I 0.00 0.001 0
C Factor I I I I 0.63 ~ I Tc (A) = I 0.53 ~ id = I 0.2871 I 0.00 I 0.00 ( 0
impervious Area (sq. ft.) ~ I I 23072 I I I I Total Al Comp "C"I
VolumeProvided ~ I 208:1 14131 storm:l 1413 I ~L1(B)= ~ 0 ~ ITc(qu)2.37 1 ~ 0.80 1 0.63 1
Outflow (ds) I I I I 1 I I I I N(8) = I 0.4 I ITc(A+B) = I 0.53 I I I I
Area' C" Factor ~ I I 0.50 I I I ~S(B) 0.005 I I ~ I IQ=C"I'A= I 1.60 I
` _
---I ~ I----- ~ -
~ ~ ~
I ~ ITc(tot) = 5.00 I IQ(est) i 1.04 I
I I
I tW I #5 I #6 I#7 I ~Tc - 0.0 I Ilntensity- ~ 3.18I
Time ~ Time I Intensity ~ Q dev, V in j V out I Storaqe I I I I I I I IA = I 0.494214 ~
Inc. I Inc. I I I I Req'd) I I I I I I I IWP = I 3.4915 I
(min,) ~ (sec.) (in.lhr.) ~ (cfs) (cu. ft.) j(cu. ft.) I (cu. ft) I - l I I I I I IR = I 0.1415 1
I (#1"60) I la'c'#31 I I(outf.'#z) I(#s.#s) I I I I I i I iv= I 2.11
I
I_____===___ j====____= 1=====__== 1=====___= 1=====__== 1=======j ITc(total)=Tc(overland)+Tc(gutter) I ~ ITc(9u)= I 2.371
5.00 I 300.00 ~ 3,18 I 1.60 I' 644 1 300.00 I 344 I ITc (overland) = Ct*(L1'N!S^O.S)A0.6) I I IQ(est) = I 1.04 1
ICt=0,15 I I I I I I I
51 300 3.16 + 1,60 644 + 300.
00 344 L1= Length o( Overland Flaw I I Holding 10.69 I
10 I 600 I 2.24 j 1.13 I 792 ~ 600 192 I N= frictian factor of overiand flow (.4 for average grass cover) I I I I
15 I 900 I 1.77 I 0.89 ~ 893 900 -7 I S= averape sloae of overiand flow I I I I I I
20 I 1200 I 1.45 I 0.73 ~ 951 1200 I -249 ~ ~Tc (gutter) = Length (ft)Nelocity (ftlsec.)160 I I I I ~
25 ~ 1500 ~ 1.21 I 0.61 976 ~ 1500 I 524 ~ I B= Bottom width of gutter or ditch I I I I I I
30 I 1800 1.04 I 0,52 996 ~ 1800 I -804 ~ IZ1 = inverse of cross slope one of ditch I I I ~ I
35 2100 0.91 I 0.46 I 1009 ~ 2100 I-1091 ~ I Z2 = inverse of cross slope two of ditch I I ~ ~
40 2400 0.82 I 0.41 I 1033 ~ 2400 I•1367 I I d= depth of flow in gutter (esbmate, check estimate with Flow)
451 2700 j 0J4 I 0.371 1044 I 27001 -1656 I IArea=d"B+d"22'(Z1+Z2) I I I I ~ ~
50 ~ 3000 ~ 0,68 0.34 ~ 1062 I 3000 I-1938 I I Wetted perimeter = B'd+f1lsin(atn1121)1+11sin(atn(11Z2))) I
55 I 3300 ~ 0,64 0.32 I 1097 ~ 3300 I-2203 I IHVdraulic Radius = R= ArealWetted Perimeter I I ~ ~
60 I 3600 ~ 0,61 ~ 0.31 I 1137 I 3600 ~-2463 I IVelacity =1,4861n"R".667"s",5
65 ~ 3900 0,60 ~ 0.30 I 1209 ~ 3900 I-2691 ~ 1 Flcw = Velocitv"Area I ~ I I I I
70 I 4200 0,58 ~ 0.29 I 1257 4200 1 -2943 ~ In= 0.016 for asphalt I
75 ~ 4500 0.56 I 0.28 I 1298 4500 I-3202 I Is = longitudinal sloae of putter
80 ~ 4800 0,53 ~ 0.271 1309 ~ 4800 1 -3491 I
85 ~ 5100 ~ 0.52 ~ 0.26 I 1363 ~ 5100 1 -3737
90 ~ 5400 ~ 0.50 I 0.25 I 1386 I 5400 I-4014 I ~ I I ~ I I I
, 95 ~ 5700 I 0.49 ~ 025 ~ 1432 ~ 5700 I4268
100 ~ 6000 ~ 0.48 I 0.24 I 1475 I 6000 I4525 I I I ~ I ~ I I I
__========1===~ ======1=========1-- = ~==_======1=========1======= I I I I I I I I l I
I I I I. I I I I II I I I ( 1 DRAINAGE POND CALCULATIONS I ~ I I I I I NOTE: I Basin 84 (ALT) = 84 + g5 + 86 and includos Ponds D, E, F, G. & H.
Required grassy swale pond storage volume I ~ ~ ~ • I Ilt is assumed that any over(lowfrom Ponds E, F, G. & H wiU flow into
= Imperoious Area x.5 in.112 in./ft. = ( ~ 961 cu. ft. Pond D. I I I I
I I ( provided:~ 1413 cu.ft. JOKI
I I I I I I I I I I I I I
DRYWELL REQUIREMENTS -10 YEAR DESIGN STORM I I I I I I I I I I I
Manimum storage required.by Bows.trinA = I. . I 344 ~cu. ft ~ I I I I I I I
I I Iprovided:l 1413 Icu, ft. IOK! I I I I I I I I
, , . . . .
Sheetl
4TH "EN u E cROSS sLoPEs:
~ ~ ~ ~ ~ ~ ► ~
street width I 40 Ift I ( I ! 1
Street Gtade = ! -0.17 1% (Approxf inete) ! I I i
Oistance Edge of
Centerline Curb Crosa Distance to Fiow(ine Cross
Statlon E1evatton tO edge of Grade paving Slope Flowline Elevation Slope
pavlng Elevation
I (ft) I (tt) I I (ft) l I fn) ! (t~) I
22.35 101.14 ~ 9.0 I-o.so I 100.so ~ 0.02e7 I ».o I100.650 I 0.0273
50.0 101.09 ~ 9.0 (-0.50 100.85 ~ 0.0270 ' 11.0 ~ 100.46 ~ 0.0353
75.0 ~ 101.08 ~ 9.0 ~-0.50 ~ 100.80 { 0.0289 ~ 11.0 ~ 100.34 ~ 0.0421
100.0 ~ 100.94 ~ 11.2 -0.50 I 100.80 ~ 0.0304 ~ 8.8 ( 100.21 0.0441
130.0 ~ 104.89 ~ 14.5 -0.50 ~ 100.42 j 0.0324 J 5.5 ~ 100.06 0.0651
950.0 ~ 100.87 ~ 17.8 { 0.51 ~ 100.32 ~ 0.0309 ~ 2.2 ~ 100.18 ~ 0.0710
168.84 ~ 100.89 I 20.0 1 0.51 I 100.2e I 0.0315 I 0.0 I 100.26 I
Page 1
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