nDRAINAGE NOTES
EASEMENT
OR R.O.W.
DRAINAGE EASEMENT AS SPECIFIED ON PLAN I
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NOT TO SCALE
1.
SEE STREET PLAN AND PROFILE SHEETS FOR DRYWELL AND CATCH
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SIDWALKS, PAVING, ETC. IS INSTALLED. PATCH ASPHALT AS NEEDED.
PROPOSED COUNTOURS
BASIN TYPES AND LOCATIONS.
LAWN AREAS',LAWN AREAS ARE TO BE IRRIGATED WITH TORO POP—UP
BOTTOM ELEV. 2028-24
2.
PONDS SHALL BE CONSTRUCTED PER THE REQUIREMENTS OF THESE
0
ui
ADJUSTMENT: AFTER INSTALLATION, ADJUST VALVES, HEADS, EMITTERS, PLAT BOUNDARY
DRAWINGS INCLUDING GRADING, SOD, AND DRYWELL INSTALLATION.
ETC. TO PROVIDE UNIFORM COVERAGE AND TO MINIMIZE OVERSPRAY
BOTTOM AREA PROVIDED = 420 S.F�
ALL PONDS SHALL INCLUDE AN IRRIGATION SYSTEN. ALL IRRIGA71ON
ON WALLS, FENCES, WALKS, DRIVES, ETC.
1996
30' WEST OF C/L WOODRUFF
SHALL CONFORM TO SPOKANE COUNTY POND IRRIGATION SYSTEM
1994 x "l
20:_ LT
WATER—POWER SUPPLY:THE OWNER/ GENERAL CONTRACTOR IS TO
GUIDELINES.
EASEMENT
SUPPLY WATER TAPS(S) FOR HOOK—UP AND SUPPLY POWER FOR
3.
ALL "208" PONDS SHOWN SHALL BE ROUGH GRADED PRIOR TO
PAVING OF ADJACENT ROADWAY.
OR R. 0. W.
— DRAINAGE EASEMENT AS SPECIFIED ON PLAN
4.
CONTRACTOR SHALL PROVIDE SPOKANE COUNTY WITH AS-BUILT
12' DRAINAGE
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RESIDENTIAL LOT DRAINAGE PONDS 8, C, F MUST BE
IRRIGA11ON PLANS UPON COMPLETION OF ALL POND CONSTRUCTION.
TOP OF BERM ELEV,=
TOP OF CURB ELEA. GUTTER
HYDROSEEDED WITH NATIVE GRASSES.
5.
INSTALL "AMOCO" #4545 FILTER FABRIC (OR APPROVED EQUAL) IN
+ �20 FT� FLOWLINE @
1.5" S:)D ON TOPSOIL, SOD CURB DROP
EASEMENT
ALL DRYWELLS. SEE SPOKANE COUNTY STANDARDS (1995 EDITION)
INSTALLED CONCURRENT WITH
"B"
AT THE END OF ONE YEAR TO BE CONSIDERED COMPLETE
SHEET B-1 FOR INSTALLATION LOCATIONS,
OCCUFANCY OF ADJACENT HOUSE TYPE CURB
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RESIDENTIAL LOT DRAINAGE PONDS SHALL BE HYDROSEED6
M L Gi P�CEND� B
[ ETA
4 METAL GRATE & FRAME
AND GUTTER
STA 10+40.38, 48.25' LT
6.
ALL PONDS WITHIN THE COUNTY RIGHT-OF-WAY, IN THE AREA
3 MAX.
p
EXIS71NG ROW
33.33% DURAR HARD FESCUE
ASSOCIATED NTH THIS PROJECT, SHALL BE COMPLETED DURING
NORMAL GUTTER LINE
33.33% SHEEP FESCUE
RIGHT OF WAY— <; BOUNDARY OF FLAT, LEVEL
THE CONSTRUCTION OF THE ROADWAY. THE CONTRACTOR SHALL
GRATE ELEVATION .4* 3: 1 (TYR)
v POND BOTTOM
PERFORM THE POND GRADE WORK, INSTALL THE IRRIGATION SYSTEM,
7
SYLVA FIBER MULCH 2000 LBS./ACRE
AND PLACE THE SOD WITHIN THE PONDS FOLLOWING THE ROAD
RAINAGE 3,,j A X
0460111 ONCRETE APRON
i—TAC SOIL BINDER 40 LBS./ACRE
PAVING WORK.
m i
STRU TUBE w"I'AwAl 4" THICK P.C.C.
At. (1 7TH LANE S
7.
THE CONTRACTOR SHALL MAKE AN EFFORT TO PROTECT ALL
NOTE
OR EQUIVALENT. (TEST SYSTEM BEFORE BACK FILLING).
DRAINAGE STRUCTURES FROM BEING CONTAMINATED WITH SILT BY
—1
PROVIDE FILTER FABRIC (AMOCO 4545 OR EQUAL) BETWEEN 1"-3** TOPSOIL ON
COUNTYSTANDARDPLAN
INSTALLING FILTER FABRIC UNDER THE LID FOR AT LEAST 6 WEEKS,
OR UNTIL THE ESTABLISHMENT OF GRASS AND/OR OTHER SITE
THE NATIVE SOIL AND THE WASHED DRAIN ROCK AND BETWEEN GRADED POND BOTTOM
THE
CONSTRUCTION WORK HAS ENDED.
WASHED DRAIN ROCK AND THE DRYWELL BARREL.
j
GRADED POND BOTTOM
STA. 6+37.83, 23.50' LT.
1,11*-1.28' BELOW
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IN THE EVENT THAT SILT OR OTHER DELETERIOUS MATERIAL IS
EDGE OF ASPHALT
ALLOWED TO ENTER THE DRYWELLS OR CATCH BASINS, THE CONTRACTOR
WILL BE REQUIRED TO CLEAN THE DRYWELL OR CATCH BASIN OUT TO
SEC11ONAL MEW
THE SATISFACTION OF THE CERTIFYING ENGINEER.
71 POND CROSS-SECTION WITH DRYWELL
8.
ALL LANDSCAPE AREAS ('208' PONDS) ARE TO BE IRRIGATED BY AN
AN AUTOMATIC IRRIGA11ON SYSTEM INSTALLED BY OR UNDER THE
NOT TO SCALE
DIRECTION OF THE LANDSCAPE CONTRACTOR. THE IRRIGATION
SYSTEM SHALL COMPLY WITH ALL LOCAL CODES AND ORDINANCES
(90 DAY GUARANTEE). AN APPROVED BACKFLOW DEVICE SHALL 13E
INSTALLED TO PREVENT WATER FROM GOING BACK INTO THE WATER
SUPPLY.
SLEEMNG:PROVIDE SLEEVING AS REQUIRED UNDER SIDEWALKS, PATHS.
CURBING, PAVING, ETC. AS NEEDED FOR IRRIGATION ACCESS. ALL
SLEEVING TO BE 4" PVC. WITH AT LEAST 12" OF COVER (1) FOOT
OC71 (11w Mkilcu (""D Ar8c* TUC* nU&JCD PC`k1r0A1 n TDAPT^D IC
EASEMENT
OR R.O.W.
DRAINAGE EASEMENT AS SPECIFIED ON PLAN I
"�qqw
NOT TO SCALE
PROPOSED CONTOURS
1113 Ill I I
I
POND A DETAIL
20' POND BOTTOM ELEV, 1990.71
POND BOTTOM VOLUME REQUIRED = 333 C.F.
POND BOTTOM VOLUME PROVIDED = 355 C.F.
POND BOTTOM AREA PROVIDED = 618 S.F.
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PROPERTY BOUNDARY
(TYR)
11rc t lk�VMV HILLI rtm
COUNTY STANDARD PLAN B-8,
W/2 GUTTER DEPRESSION
D STA. 6+23.69, 20.00' LT.
TOC=2029.64
'POND BOTTOM LOCA11014 TABLE
RESPONSIBLE FOR INSTALLING SLEEVING BEFORE CURBING,
PLAT BOUNDARY
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SIDWALKS, PAVING, ETC. IS INSTALLED. PATCH ASPHALT AS NEEDED.
PROPOSED COUNTOURS
LAWN AREAS',LAWN AREAS ARE TO BE IRRIGATED WITH TORO POP—UP
BOTTOM ELEV. 2028-24
- TION
ST kTION
HEADS OR EQUIVALENT. (TEST SYSTEM BEFORE BACKFILLING).
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ADJUSTMENT: AFTER INSTALLATION, ADJUST VALVES, HEADS, EMITTERS, PLAT BOUNDARY
lc�
F7- 103.47*
ETC. TO PROVIDE UNIFORM COVERAGE AND TO MINIMIZE OVERSPRAY
BOTTOM AREA PROVIDED = 420 S.F�
CL
"a
ON WALLS, FENCES, WALKS, DRIVES, ETC.
1996
30' WEST OF C/L WOODRUFF
1994 x "l
20:_ LT
WATER—POWER SUPPLY:THE OWNER/ GENERAL CONTRACTOR IS TO
10' DRAINAGE
SUPPLY WATER TAPS(S) FOR HOOK—UP AND SUPPLY POWER FOR
37.68' EASEMENT
CONTROLLER.
0 9 .40
LAYM AREAS-.
12' DRAINAGE
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RESIDENTIAL LOT DRAINAGE PONDS 8, C, F MUST BE
EASEMENT
15'
HYDROSEEDED WITH NATIVE GRASSES.
DRAINAGE
THE DRAINAGE PONDS LISTED ABOVE SHALL HAVE THREE
EASEMENT
LIVING AND VIGOROUS GRASS PLANTS PER SQUARE FOOT
SPOKANE COUNTY STANDARD
AT THE END OF ONE YEAR TO BE CONSIDERED COMPLETE
TYPE"B" DRYWELL WITH TYPE
RESIDENTIAL LOT DRAINAGE PONDS SHALL BE HYDROSEED6
M L Gi P�CEND� B
[ ETA
4 METAL GRATE & FRAME
WITH THE FOLLOWING SEED/SLURRY MIX:
STA 10+40.38, 48.25' LT
SEED 40 LBS./ACRE
GRATE ELEV.-1992.80
EXIS71NG ROW
33.33% DURAR HARD FESCUE
33.33% SHEEP FESCUE
RIGHT OF WAY— <; BOUNDARY OF FLAT, LEVEL
33.34% REUBAN'S CANADA BLUEGRASS
v POND BOTTOM
12-24-24 FERTILIZER 400 LOS./ACRE
SYLVA FIBER MULCH 2000 LBS./ACRE
N.Z POND BOT
i—TAC SOIL BINDER 40 LBS./ACRE
THE SODDED OR GRASS TURF HYDROSEEDED AREAS
At. (1 7TH LANE S
ARE TO BE IRRIGATED NTH TORO POP—UP HEADS
POINT S
OR EQUIVALENT. (TEST SYSTEM BEFORE BACK FILLING).
TYPE R CURB PER SPOKANE A, ic
COUNTYSTANDARDPLAN
PROPOSED CONTOURS
1113 Ill I I
I
POND A DETAIL
20' POND BOTTOM ELEV, 1990.71
POND BOTTOM VOLUME REQUIRED = 333 C.F.
POND BOTTOM VOLUME PROVIDED = 355 C.F.
POND BOTTOM AREA PROVIDED = 618 S.F.
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PROPERTY BOUNDARY
(TYR)
11rc t lk�VMV HILLI rtm
COUNTY STANDARD PLAN B-8,
W/2 GUTTER DEPRESSION
D STA. 6+23.69, 20.00' LT.
TOC=2029.64
'POND BOTTOM LOCA11014 TABLE
(FELTS ROAD STATION & OFFSET)
0-
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OFFSE-T
DETAIL r4
1"*=20# POND
BOTTOM ELEV. 2028-24
- TION
ST kTION
LT
BOTTOM VOLUME REQUIRED = 208 C�F,
ui
' Q L ' T
BOTTOM VOLUME PROVIDED = 267 C.F�
29,50' LT
BOTTOM AREA PROVIDED = 420 S.F�
CL
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SOUTH SIDE OF 16TH &
30' WEST OF C/L WOODRUFF
ELEVATION= 1997,84 (MARKED)
20:_ LT
Now
LT
0 9 .40
9 4 46 L T
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1-11-1111-1 D
TYPE B CURB PER SPOKANE
1 O� 26.94
COUNTY STANDARD PLAN A-3
BOUNDARY OF FLAT, LEVEL POND
EXIS71NG ROW
0
BOTTOM
SPOKANE COUNTY STANDARD TYPE
A" DRYWELL WITH TYPE 4 METAL
GRATE & FRAME
j
I
STA. 6+37.83, 23.50' LT.
I
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GRATE ELEV.=2028.74.
PROPOSED CONTOURS
1113 Ill I I
I
POND A DETAIL
20' POND BOTTOM ELEV, 1990.71
POND BOTTOM VOLUME REQUIRED = 333 C.F.
POND BOTTOM VOLUME PROVIDED = 355 C.F.
POND BOTTOM AREA PROVIDED = 618 S.F.
`4 4T
PROPERTY BOUNDARY
(TYR)
11rc t lk�VMV HILLI rtm
COUNTY STANDARD PLAN B-8,
W/2 GUTTER DEPRESSION
D STA. 6+23.69, 20.00' LT.
TOC=2029.64
'POND BOTTOM LOCA11014 TABLE
(FELTS ROAD STATION & OFFSET)
0-
Ir-
C>
OFFSE-T
DETAIL r4
1"*=20# POND
BOTTOM ELEV. 2028-24
- TION
ST kTION
LT
BOTTOM VOLUME REQUIRED = 208 C�F,
ui
' Q L ' T
BOTTOM VOLUME PROVIDED = 267 C.F�
29,50' LT
C>
Ir-
POND BIOTT)M LOCATION TABLE
0-
Ir-
C>
POND D
DETAIL r4
1"*=20# POND
BOTTOM ELEV. 2028-24
- TION
ST kTION
POND
BOTTOM VOLUME REQUIRED = 208 C�F,
ui
POND
BOTTOM VOLUME PROVIDED = 267 C.F�
POND
BOTTOM AREA PROVIDED = 420 S.F�
z
0
POND BIOTT)M LOCATION TABLE
0-
07TH LANE STj (4 OFFSET)
Lo
- TION
ST kTION
(n
cr)
co
0
u
COUNTY DATUM
a)
2'
R/R SPIKE IN POWER POLE
CL
"a
SOUTH SIDE OF 16TH &
30' WEST OF C/L WOODRUFF
ELEVATION= 1997,84 (MARKED)
20:_ LT
Now
POND E DETAIL
20' POND BOTTOM ELEV, —_ 202710
POND BOTTOM VOLUME REQUIRED 95 C.F.
POND BOTTOM VOLUME PROVIDED 136 C,F.
POND BOTTOM AREA PROVIDED = 210 S.F.
POND BOTTOM VOLUME REQUIRED = 2530 C.F. 1 %%wwoor
POND BOTTOM VOLUME PROVIDED = 2832 C.F.
POND BOTTOM AREA PROVIDED = 5399 &F.
NOTE: DEVELOPER TO PROVIDE SPOKANE COUNTY ENGINEERS OFF 'E
ASBUILTS OF POND C TO VERIFY POND VOLUME REQUIRED S
LEVEL POND BOTTOM
POND BIOTT)M LOCATION TABLE
07TH LANE STj (4 OFFSET)
POIN T
- TION
ST kTION
OFFSET
A
1 O� 26.94
��.43* LT
20:_ LT
Now
LT
0 9 .40
9 4 46 L T
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1-11-1111-1 D
1 O� 26.94
POND BOTTOM VOLUME REQUIRED = 2530 C.F. 1 %%wwoor
POND BOTTOM VOLUME PROVIDED = 2832 C.F.
POND BOTTOM AREA PROVIDED = 5399 &F.
NOTE: DEVELOPER TO PROVIDE SPOKANE COUNTY ENGINEERS OFF 'E
ASBUILTS OF POND C TO VERIFY POND VOLUME REQUIRED S
LEVEL POND BOTTOM
--- -- --------- --- ----------
l! ow
POND DE AILIS
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--- -- --------- --- ----------
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POND DE AILIS