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OR CONTRACT DOCUMENTS ALL CONSTRUCTION METHODS AND MATERIALS SHALL 8E IN ACCORDANCE WITH
L UNLESS SPECIFICALLY EXCEPTED IN THE PLANS G AND MUNICIPAL CONSTRUCTION PROMULGATED EsY THE WASHINGTON STATE STANDARD SPECIFICATIONS AND STANDARD PLANS FOR ROAD, 8RI0 E, _
DEPARTMENT OF TRANSPORTATION AND THE WASHINGTON CHAPTER OF THE AMERICAN PUBLIC WORKS ASSOCIATION, (LATEST EDITION)
LL DETAILS OF THE WORK REQUIRED. THE CONTRACTOR SHALL BE RESPONSIBLE TO ■ ' ■ ■ ® ■ ■ 2. THE PLANS ARE SCHEMATIC AND ARE NOT INTENDED TO DEPICT A
FAMILIARIZE HIMSELF WITH ACTUAL SITE CONDITIONS REQUIREMENTS AND FACTORS AFFECTING THE WORK, WHERE LACK OF DETAIL OR CONFLICTS EXISTS BEI7NEEN THESE AND OTHER PLANS, THE CONTRACTOR SHALL NOTIFY THE OWNER TO RESOLVE THE ISSUE PRIOR TO PROCEEDING.
TIN -D3 OF THE STANDARD SPECIFICATIONS. ALL ~ 3. EXCAVATION AND EMBANKMENT SHALL BE IN ACCORDANCE WITH APPLICABLE REQUIREMENTS OF SEC 0 2
COMPACT10N SHALL BE IN ACCORDANCE WITH SEC1IQN 2-03.3(14)C, METHOD C FOR BUILDING PADS, METHOD 8 FOR O1'NER AREAS.
4. THIS PLAN MAY NOT SHOW ALL EXISTING UTILIT1ES. EXISTING UTILITY LOCATIONS SHOWN ARE APPROXIMATE. PRIOR TO CONSTRUCTION, THE CONTRACTOR iS
OCATING UNDERGROUND UTILITIES. CALL THE UNDERGROUND UTILITY LOCAT10id SERVICE AT 466-80D0 BEFORE YOU DIG. ~ RESPONSIBLE FOR L LECATIONS AT THE SITE'S BOUNDARY EXCEPT AS SHOWN tTHERWISE IN THE GRADING PLAN. ~ ~ < 5. ALL FINISHED GRADING ELEVATIONS SHALL MATCH EXISTING E ~4. Q2 ? O1
ONFLICTS EXIST THE CONTRACTOR SHALL NOTIFY OWNER TO RESOLVE THE ISSUE PRIOR TO PROCEEDING, ,~.-•x" • , WHERE C ~ ~
THE CONTRACTOR SHALL WORK W~TI1 6. NO QUAN1111ES HAVE BEEN CALCULATED TO DETERMINE VOLUMES OF EXCAVATION AND EMBANKMENT ON THIS PROJECT. r
X90 ~ OR WASTE SITES WHICH MAY BE REQUIRED. THE OWNER TO IDENTIFY ONSITE BORROW SITES
IR MENTS OF LOCAL REGULATIONS SHALL BE UTILIZED DURING THIS PROJECT, , w, EUCLID 7, DUST CONTROL: AN APPROVED ME1H00 OF DUST CONTROL, MEETING THE REQU E - a
Y MATERIALS WHICH SPILL ONTO LOCAL STREETS DURING THE TRANSI'ORTA110N OF THE EQUIPMENT. ~~RaR THE CONTRACTOR SHALL BE RESPONSIBLE FOR AN - "~7 ;u, ;N ~ sPa~
SHOULD A SPILL OCCUR, THE CONTRACTOR SHALL REMOVE THE MATED"AL, BY THE END OF THE WORK DAY. NO MATERIAL SHALL BE ALLOWED TO SET, DRY ~ N s. ~ . . -f-~- 0 K A Pt l ' OR BE WASHED INTO ADJACENT STORMWATER FACILITIES. - ~
1R ES DESIGNATED FOR REMOVAL SHALL BE DISPC'. _D OF IN ACCORDANCE WITH LOCAL AND STATE I~EGULAlIONS REGARDING SUCH , ~ ~ ~ J ~i' a~ B, EXISTING TREES: E ~ ~ ~
RS. ONLY TREES APPROVED BY THE OWNER SMALL BE REMOV. .j ~ r i (
4',' ~ DRYWELL BARREL AND THE WASHED ` I r - . RIC AMOCO R APP OVED E UIVAL~NT BETWEEN THE a-••- ` G ' ._..C.a 9• FOR CONSTRUCTION OF DRYWELLS, INSTALL FILTER FAB ( 5 0 R Q } ~ ~
DRAINROCK, AND BEIIMEEN THE WASHED DRAINROCK AND THE NATiV~ 'OILS, _ ~ I`ga ; SUhLNAN IEC a AN AN, 5HA NOT INFRINGE ON ADJACENT OWNERSHIPS. ~ - -w
10, GRADING: ALL GRADING SHALL BE LIMITED TO THE AREAS IDENTIF N THE GRADING PL ~ LL ~ `~M~ssioN~ ~ "
THE CONTRACTOR SHALL EMPLOY A LICENSED SURVEYOR TO VERIFY THAT THE CROSS-GUTTER FORMS ARE AT THE GOftRECT PLANE GRADE PRIOR TO i PARK - e S" ,
CONCRETE PLACEMENT. THE CROSS-GUTTERS SHALL BE CONSTRUCTED PRIOR TO PAVING, AND THE PAVEMENT SHALL T1EN MATCH THE EDGE OF CONCRETE ~ i , i ~ °-Y.;~, ~ ~ A r_. . i GUTTER. - .
S T OF THE APPROVED GRADING CIVIL SI~iE PLANS AND THE EROSION CONTROL PLANS ON THE JOB ' - ~ _L`r~ _ _ ~ 12. THE CONTRACTOR IS REQUIRED TO HAVE A COMPLETE E _
~ _ _1^~_ ~ W..__._., TION IS IN PROGRESS. C~~L t'..- WHENEVER CONSTRUC h - .
. ~ r am i 13. THE CONTRACTOR IS RESPONSIBLE FOR OBTAINING ALL REQUIRED PERMITS. --~°-I-- i T (
a._. j ~ . ~ _ 14. ALL CONTOURS SHOWN ON THESE PLANS ARE EXISTING GRADE CONTOURS. THE CONTRACTOR SHALL ROUGH GRADE ROADS TO SUBGRADE AS SHOWN ON THE ~ ~ i
THIS SHEET. _ ---~L.. _..,..._...-.-,~.s._.T ~ i SPRAGUE ~ TYPICAL ROADWAY SECIIQN , a ~
GR A L RCUGN GRADE ALL PONDS TO 0.2' BELOW ELEVATIONS SHOWN : ~ I`I~ L, 15. POND BOTTOM ELEVATIONS SHOWN ON THESE PLANS ARE FINISHED ADE. CONTRACTOR SH L
PLACEMENT OF SOD OR ESTABLISHMENT OF DRYLAND GRASS. t_... _ I TO ALLOW FOR FINAL ~ ~ ~`"~~:1'__......__ . -~i~ ;
.,t..r.a 16. ALL EXCESS EXCAVATED SOIL SHALL BE STOCKPILED ON SITE PER THE OWNERS DIREC110N.
N IN WITH SILT BY 17. THE CONTRACTOR SHALL PROTECT ALL CATCH BASINS, DRYWELLS, AND OTHER STORM DRAINAGE STRUC1tiRES FROM BE~NG CO TAM ATED y r'
NG FILTER FABRIC OVER THE METAL FRAME DURING CONSTRUCTION AND KEEPING IT IN P~.A~,,E UNTIL THE STREETS HAVE BEEN PAVED AND CLEANED, ~ ~ ~ INSTALLI e
18. CUT SLOPES IN SOLID ROCK SHALL NOT EXCEED 12;1 (HORIZONTAL: VERTICAL), AND SOIL CUT SLOPES SHALL NOT EXCEED 2:1 (HORIZONTAL: VERTICAL),
EXCEPT AS SHOWN OTHERWISE IN THE PLANS.
ADWAYS SHALL BE BENCHED IN COMPETENT SOIL OR ROCK G`~ THE UPSLOPE SIDE AND FILLS ON THE DOWNSLOPE SIDE. 19. ALL RO
20. FOR WORK ASSOCIATED WITH SPOKANE COUNTY ROADS, ALL WORK I~'~~J MATERIALS SHALL BE IN CONFORMANCE WITH THE "SPOKANE COUNTY STANDARDS „j~:._
FOR ROAD AND SEWER CONSTRUCTION" 1999, AND AS AMENDED.
21. FILL SLOPES ACROSS THE PROPERTY SHOULD BE DESIGNED FOR A MAXIMUM SLOPE OF 2~ 1 (H~RI;'_ONTAL: VERTICAL), EXCEPT AS SHOWN OTHERWISE IN THE PLANS,
1. IN SITUATIONS WHERE AVERAGE SWALE DEPTHS OF GREATER 1HAN 6 INCHES ARE ALLOWED, SOIi_ TESTS SHALL BE REQUIRED TO INSURE THAT THE SOIL IS T IN RUNOFF AND WILL f~'~ R OLATE THE RUNOFF AT AN ACCEPTABLE RATE. ° CAPABLE OF ASSIMILATING THE CONTAMINAN S C
2. SOIL TESTS ARE REQUIRED IN PONDS A AND B, WHERE SOIL TESTS PI~I REQUIRED, ONE (1) TEST FOR EACH CATION EXCHANGE AND SOIL ORGANIC MATTER
RASSED PERCOLATION AREA OF 1',' 7 S.F. OR LESS. AN ADDITIJNAL SET OF TESTS MAY BE REQUIRED FOR EACH ~ SMALL BE PERFORMED FOR EACH G
LION THEREOF, TESTS SHALL BE PERT ' '!dED ON A WELL-MIXED C06iPOSlTE SAMPLE COF SlS1TNG OF THE TOP SIX (6) INCHES ~ ADDITIONAL 2000 S.F. OR FRAC /
NIFORMLY DISTRIBUTED 0' R THE PERCOLATION AREA, IF 111E AVERAGE CA PION EXCHANGE CAPACITY IS 15 ~ OF SOIL FROM AT LEAST FOUR (4) CORED U
OIL IS 2% ORGANIC CARBON OR MORE, THE SOT,. ~;h.._ BE CONSIDERED SUITABLE FOR STQRMWATER TREATMENT, ,r ~ ~ MILLEQUIVALENTS/100 G. OR MORE, OR THE S
i / 3. ALL DRAINAGE PONDS LISTED IN NOTE ~2 ARE TO BE IRRIGATED BY AN AUTOMATIC IRRIGATION SY,,TEM INSTALLED BY t)R UNDER THE DIRECTION OF THE ~
THE IRRIGATION SYSTEM IS TO COMPLY WITI~i ALL LOCAL CODES AND ORL'INANCES (90 DAY GJARANTEE), AN APPROVED BACKFLOW ~ / LANDSCAPE COrtiTRACTOR /
DEVICE IS TO BE INSTALLED TO PREVENT WATER FROM GOING BACK INTO THE WATER SUPPLY. ~ /
4, ASSED PERCOLATION AREA GPA SWALE INCLUDES THE LEi~L PORTION THE SWALE, AND THE SIDESLOPES OF THE SWALE UP TO ~ ~ THE FLOOR OF THE GR ( ) ~ , , THE GPA OVERFLOW ELEVAT10N OR TOP OF DRYWELL. THE SOIL LOCATED IN THE FLOOR OF THE C., A SWALE SHALL BE A MEDIUM TO WELL-DRAINING ,i ~ ~
~ ~ MATERIAL, WITH A MAXIMUM iNFILTRAI1ON RATE OF 0.5 INCHES PER HOUR. ,
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COVER SHEET.
~ INDIANA AVENUE: STA 157+60.70 TO STA 170+00 - -SHEET 2
THE DESIGN IMPROVEMENTS SHOWN IN IS SET OF PLANS AI` CALCULATIONS o STREET PLANS f .
INDIANA AVENUE: STA 170+00 TO STA 184-00 SHEET 3
CONFORM TO APPLICABLE EDITIONS OF E SPOKANE COUN STANDARDS FOR
ROAD AND SEWER CONSTRU 10 AND THE SPOKANE COUNTY GUIDELINES FOR
{ INDIANA AVENUE: STA 184+00 TO STA 188+19.87 SHEET 4
STORMWATER MANAGEMENT. ALL DESIGN DEVIATIONS HAVE BE :N XiPPROVED BY
, Cm f~ DETAILS-... _ SHEET 5
F _n, EVELOF ftR,~PPROVAL