pe-1869fAssociates, Inc.
Planning
E ngineering
Architecture
L andscape Archi tecture
and Surveying
707 W. 7th Avenue, Suite 200
Spokane, WA 99204
Phone: (509) 458 -6840
Fax: (509) 458 -6844
COUNTY DATUM
FOUND 80d SPIKE IN POWER POLE AT
THE SOUTHEAST CORNER OF 24TH.
AVE., AND BEST RD. THE ELEVATION
FOR THIS BENCH MARK IS 2004.18.
CONTRACTOR SHALL PROMDE ALL MATERIALS, LABOR , AND EQUIPMENT CONSTRUCT AND INSTALL TO PROPER WORKING ORDER
ALL IMPROVEMENTs AS 'DETAILED CALLED OUT IN THESE PLANS AS PER .S. ,O.T /A.P. :A. STANDARD SPECIFICATIONS FOR
ROAD AND BRIDGE CONSTTRUCTI ON (CURRENTLY ACCEPTED EDI ON) SPECIFICATIONS.
2. UNLESS SPECIFICALLY EXCE o IN THE PLANS OR CONTRACT DOCUMENTS ALL CONSTRUCTION METHODS AND MATERIALS SHALL BE
IN ACCORDANCE WITH STANDARD ECIFICATI NS AND STANDARD PLANS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION
PROMULGATED Y THE WASHINGTON TATE DEPARTMENT OF TRANSPORTATION, THE WASHINGTON CHAPTER OF THE AMERICAN
PUBLIC WORKS ASSOCIATION, LATEST EDITION) AND SPOKANE COUNTY.
THE PLANS ARE SCHEMATIC AND ARE NOT INTENDED TO DEPICT ALL DETAILS OF THE WORK REQUIRED. THE CONTRACT° SHALL
BE 'RESPO S BLE TO FAMILIAR ZE HIMSELF ACTUAL SITE CONDITIONS REQUIREMENTS AND FACTORS AFFECTING THE WORK.
WHERE LACK OF DETAIL OR CONFLICT EXISTS BE EN THESE AND OTHER PLANS, THE C O N ACTOR SHALL FY THE OMER AND
ENGINEER TO RESOLVE THE ISSUE' PRIOR TO PROCEEDING.
IF THE CONTIRAcToR DISCOVERS ANY DISCREPANCIES BE EN THE PLANS AND EXISTING CONDITIONS ENCOUNTERED, THE
CON ACTOR SHALL IMMEDIATELY NOTIFY THE DESIGN ENGINEER, TODD WHIPPLE, P.E., 0 458-6840, THE SITE/PROJECT I SPK CNG
ENGINEER, BRUCE HOWARD 534-9711, OR HIS REPRESENTATIVE, AND E COUNTY ENGINEER'S OFFICE, 477-3600.
10. FOR CONSTRUCTION OF DR LS, INSTALL FILTER FABRIC ("AMOCO" 4545 OR APPROVED EQUIVALENT) EN THE DR ,
BARREL AND THE WASHED DRAKNROCK, AND BE EN THE WASHED DRAINROCK AND NATIVE SOILS (PER SPOKANE COUNTY
STANDARD DETAIL B-10).
THE CONTRACTOR SHALL PROTECT ALL CATCH BASINS AND DR LLS FROM EING CONTAMINATED WITH SILT BY INSTALL! G FIL TER
FABRIC BE EN THE LI AND GRATE UNTIL THE ESTABLISHMENT OF GRASS AND THE THREAT OF SEDIMENT DEPOSITION INTO THE
DRAINAGE SYSTEM IS MITIGATED. IN THE EVENT THAT SILT OR OTHER DELETERIOUS MATERIAL IS ALLOWED TO ENTER THE DR LLS
OR CATCH BASINS THE CONTRACTOR WLL BE REQUIRED TO CLEAN THE DR LL OR CATCH BASIN OL.1T TO SATISFACTION OF THE
CERTIFYING ENGINEER.
IS PLAN MAY NOT SHOW ALL EXISTING UTILITIES. EXISTING UTILITY LOCATIONS SHOWN ARE APPROXIMATE ONLY. IT I
CONTRACTOR'S RESPONSIBILITY TO VERIFY THE EXISTENCE AND ACTUAL LOCATION OF ALL UTILITIES PRIOR TO CONSTRUCTION.
CONFLICTING 'UTILITIES SHALL BE RELOCATED PRIOR' TO CONSTRUCTION.
NO QUANTITIES HAVE BEEN CALCULATED TO DETERMINE VOLUMES %* EXCAVATION AND EMBANKMENT ON TH I S PROJECT. THE
CONTRACTOR SHALL BE RESPONSIBLE TO PROVIDE OR DISPOSE OF ALL EMBANKMENT A /OR EXCAVATED RIALS.
E CONTRACTOR IS REQUIRED TO HAVE A VALID CONSTRUCTION PERMIT ON SITE AT ALL TIMES. THE ABSENCE OF THE ERMIT
MAY RESULT IN AN IMMEDIATE SHUTDOWN OF WORK AND THE POSS1 LE REMOVAL OF THOSE ITEMS coNsTRUCTED THOUT PERM T.
ALL WORK AND MATERIALS SHALL BE IN CONFORMANCE WITH THE SPOKANE COUNTY STANDARDS FOR ROAD AND SEWER
CONSTRUCTION", AS AMENDED ( OST CURRENT EDITIONS).
E CONTRACTOR IS REQUIRED TO HAVE A COMPLETE SET OF E ACCEPTED ROAD AND DRAINAGE PLANS ON THE
WHENEVER CONSTRUCTION IS IN PROGRESS.
AVI
BT
EXISTING
FH
WS
c
O BI
—0— PP
■TR
GA
(LP
3T
LEGEND
GENERAL
ROADWAY CENTER LINE
SECTION LINE
RIGHT OF WAY LINE
PROPERTY ''LINE
EASEMENT LINE
FENCE
CURB
PAVEMENT
GRAVEL
CONCRETE
BUILDINGS Sc STRUCTURES
SANITARY SEWER
SANITARY SEWER
MANHOLE
CLEANOUT
SEWER SERVICE
WATER
GAS LINE
NATURAL GAS
WATER LINE
VALVE
FIRE HYDRANT
SERVICE
M'ETER
BLOWOFF
AIR VACUUM RELIEF ST4TIO
STORM DRAINAGE
DRAINAGE LINE
MANHOLE
DRY ELL
CATCH BASIN
TELEPHONE — POWER
CURRIED TELEPHONE
POWER OR TELEPHONE POLE
TELEPHONE RISER
GU ANCHOR
LIGHT POLE
PROPOSED
x
x
N /A
N /A
N /A
GA
LP
ANY
12. ALL DR LL CONNECTION PIPS SHALL BE PLACED O E CONE AND SHALL FLOW AS CIREC'ItD ON THE PLANS.
13. THE CONTRACTOR IS RESPONSIBLE FOR ESIGNA N LOCATION WHERE CONCRETE TRUCKS AND FC UIPMENT CAN BE A HED OUT,
T LOCATED NEAR OR DRAINING INTO A STORM DRAINAGE AREA.
14. THE CONTRACTOR SHALL BE RESPONSIBLE R CLEANING DIRT, 'MUD AND OTHER CONSTRUCTION E1 RIS MICH MAY ACC MULATE
ON PAVED STREETS JACE T TO THE SITE STRUCTION ACTIVITY. CLEANING SHALL BE ON AS "AS NEEDED"
ASPS USING WATER UNDER PRESSURE. SMEPING AND WATER SHALL BE USED MEN WATER P E EEU E ALONE VAIL NOT WASH
E CONSTRUCTION E IS FROM THE STREET.
ON-SITE UST CONTROL SHALL BE ACCOMPLISHED USING W ATER. APPLICATIONS OF WATER MAY BE REQUIRED SEVERAL ES PER
AY DURING CONSTRUCTION ACTIVITY.
16. ANY DISTURBED AF?EAS WTI CH WOULD BE LEFT BARE FOR MORE THAN 7 DAYS AND ARE NOT I RITERDED TO BE REWORK{ IN
30-45 DAYS SHALL BE SEEDED WITH A FAST STARTING NATIVE DRAND GRASS SUCH AS ANNUAL: RYE, OR APPROVED EQUAL, AT
A RATE OF 60 5. /ACRES
17. THE FLOOR F A GRASSED PERCOLATION AREA (GPA ) SWALE INCLUDES THE LEVEL PORTION F THE FLOOR OF THE SWALE AND THE
SIDESLOPES OF THE SWALE UP TO THE GPA OVERFLOW LEV TIO OR THE TOP OF THE DR LL, SOIL LOCATED IN THE FLOOR
F THE GPA SWALE SHALL E MEDIUM TO WELL DRAINING MATERIAL, WITH A MINIMUM INFILTRATION RATE OF 0.5 INCHES PER HOUR.
THE ENGINEER SHALL PROVIDE A WRITTEN STATEMENT WHICH VERIFIES THAT ALL GPA SWALES CONEORM TO IHIS REQUIREMENT.
IS WRITTEN STATEMENT SHALL BE SUBMITTED TO THE SPOKANE COUNTY ENGINEER'S OFFICE PRIOR TO INSTALLING ISNE
LANDSCAPING AND PRIOR TO FINAL, ACCEPTANCE. THE S ALE FLOOR MATERIAL SHALL BE INSTALLED E TO A NATIVE SOIL STRATUM
ICH ALSO MEETS OR EXCEEDS THE MINIMUM PERCOLATION RATE OF 0.5 INCHES PER HOUR.
FOR ANY CURB GRADES LESS THAN 0.8 % (0.008 FT' T), A WASHINGTON STATE-LICENSED PROFESSION L LAND SURVEYOR SHALL
VERIFY THAT THE CURB FORMS ARE AT THE GRADES NOTED ON THE APPROVED PLA , PRIOR TO PLACEMENT OF CURB MATERIAL
E CONTF?ACTOR IS RESPONSIBLE FOR ARRANGING AND COORDINATING WORK WITH THE PROFESSIONAL LAND SURVEYOR.
THE CONTRACTOR SHALL EMPLOY A LICENSED SURVEYOR TO VERIFY THAT THE CROSS - GUTTER FORMS ARE AT THE CORRECT PLANE
GRADE PRIOR TO CONCRETE PLACEMENT. THE CROSS-GUI ILRS SHALL BE CONSTRUCTED PRIOR TO PAVING, AND THE PAVEMENT
SHALL THEN MATCH THE EDGE OF CONCRETE GU I IER.
20. SOIL TESTS ARE REQUIRED FOR POND 'A'. ONE (1) TEST EACH FOR CATION EXCHANGE CAPACITY AND SOIL ORGANIC MA' ER SHALL
BE PERFORMED FOR EACH GRASSED PERCOLATION AREA 1500 SQUARE FEET OR LESS. AN ADDITIONAL SET OF TESTS MAY BE
REQUIRED FO EACH ADDITIONAL 2000 SQUARE FEET OR FRACTION THEREOF. TESTS SHALL BE PERFORMED ON A L- MIXED
COMPOSITE SAMPLE CONSISTING OF THE TOP SIX (6) INCHES OF SOIL FROM AT LEAST FOUR (4) CORES UNIFORMLY DISTRI3UTED
OVER THE PERCOLATION AREA. IF THE AVERAGE CATION EXCHANGE CAPACITY IS 15 MILLIEQUIVALENTS /100 G. OR MORE OR THE
SOIL IS 2% ORGANIC CARBON OR MORE, THE SOIL WILL BE CONSIDERED SUITABLE FOR STORMWATER TREATMENT.
STR
SAN
WM.
MH.
EXIST._
CO_
HYD._
RT_
LT_
PC_
PT_
PRC_
CT_
RD_
LN_
STA L.
ACT L .
STA _
G. .
I.E._
RIM EL.
DIA.
SI_ .
BDRY_
SET AND DRA I AGE PLA
S
FOR
ABBREVIATIONS
SANITARY SEWER
.WATER MAIN
MANHOLE
_EXISTING
SEWER CLEANOUT
J-I YD R AN T
_RIGHT
LEFT
POINT OF CURVE
POINT OF TANGENCY
POINT OF REVERSE CURVE
. COURT
ROAD
_LANE
STATION LENGTH
. ACTUAL LENGTH
STATION
GRADE
JNVERT ELEVATION
RIM ELEVATION
. DIAMETER
STREET INTERSECTION
_BOUNDARY
S.W. 1/4 SECTION 26, T.25 N. R.44 E.
SPOKANE COUNTY, WASHINGTON
T BOUNDARY
24th. A NUE
9'04'40 "E
4
GRAPHIC SCALE
50 25 50 100
( IN FEET )
inch = 50 ft.
TABLF OF CONTENTS
COVER SHEET SHEET 1
24th. AVENUE AND ROAD SECTIONS SHEET 2
REES LANE AND IN TRSECTION DETAI S SHEET 3
25TH LANE AND DRAINAGE DETAILS SHEET 4
THE DESIGN IMPROVEMENTS SHOWN .N THIS SET OF PLANS AND CALCULATIONS
CONFORM TO APPLICABLE EDITIONS OF THE SPOKANE COUNTY STANDARDS FOR
ROAD AND SEWER CONSTRUCTION AND THE SPOKANE COUNTY GUIDELINES FOR
STORMWATER MANAGEMENT. ALL DESIGN DEVIATIONS HAVE BEEN APPROVED BY
THE SPOKANE COUNTY ENGINEER. I APPROVE THESE PLANS FOR CONSTRUCTION.
DEV LOPER'S APPROVAL
DATE:
ROUND SERVICE ALERT
ONE —CALL NUMBER
456.8000
CALL TWO BUSINESS DAYS
BEFORE YOU DIG
RECEIVED
SEP 12 “Liu
SPOKANE COUNTY ENGIN
PREPARED UNDER THE DIRECT
SUPERVISION OF
D R. WHIPPLE, P.E.
N f REGISTRATION
NO. 25462
AND ON BEN
CLC A . - . ' ATES, INC.
i c,„ Job Number: 99245
Drown By RLM,RIE
Designed y SKIS
Checked By: TRW
THESE PLANS ARE INSTRUMENTS Df PROFESSIONAL
SERVICE AND ARE PROTECTED BY COMMON LAW,
STATUTORY AND OTHER RESERVED RIGHTS INCLUDING
COPYRIGHT, THEY MAY NOT BE REPRODUCED OR
USED FOR ANY PURPOSE WITHOUT THE WRITTEN
CONSENT OF C.LC. ASSOCIATES, INC. (AN AFFIUATE
OF COLORADO LAND CONSULTANTS, INC.)