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Home My WebLink About20230726_PWD3507_ApprovedPlansARLINGTON PUBLIC Arlington, Washington A B B R E V I A T 10 N S AT LB OR # POUND ACCOMP ACCOMPANYING MATL MATERIAL ALUM ALUMINUM MAX MAXIMUM ANOD ANODIZED MECH MECHANICAL ASSY ASSEMBLY MFR MANUFACTURER ALT ALTERNATE MIN MINIMUM BD BOARD MTL METAL BLDG BUILDING NIC NOT IN CONTRACT BLKG BLOCKING NO OR # NUMBER BM BEAM OC ON CENTER BTWN BETWEEN OD OUTSIDE DIAMETER CB CATCH BASIN OVHG OVERHANG CLG CEILING RENE PENETRATION COL COLUMN PERF PERFORATED CONIC CONCRETE PL PLATE CL CENTER LINE PT PRESSURE TREATED CONT CONTINUOUS PVC POLYVINYL CHLORIDE DEMO DEMOLISH PW OR PLYWD PLYWOOD DIA, O DIAMETER RD ROOF DRAIN DN DOWN REQD REQUIRED DS DOWNSPOUT ROOFG ROOFING DWG DRAWING RV ROOF VENT EJ EXPANSION JOINT SAC SUSPENDED ACOUSTICAL CEILING ELECT ELECTRICAL SCHED SCHEDULE ELEV OR EL ELEVATION SCUP SCUPPER EMBED EMBEDMENT SF SQUAREFEET EQ EQUAL SHT SHEET EQUIP EQUIPMENT SHTG SHEATHING EXP EXPANSION SIM SIMILAR EXIST OR (E) EXISTING SPEC SPECIFICATION EXT EXTERIOR SQ SQUARER FIGS FIGURES SIS OR SS STAINLESS STEEL FIN FINISHED) STD STANDARD FLASHG FLASHING STL STEEL FRMG FRAMING STRUCT STRUCTURAL GA GAUGE TERM TERMINATION GALV GALVANIZED THLD THRESHOLD HDW HARDWARE TO TOP OF HGT HEIGHT TOP TOP OF PARAPET HORIZ HORIZONTAL TRTD TREATED !NSUL INSULATION TYP TYPICAL INSTALL INSTALLATION UNO UNLESS NOTED OTHERWISE JT JOINT W/ WITH WD WOOD ORIGINAL SHEET IS 36" x 24" copyright 2023 all rights reserved OWNER ARLINGTON SCHOOL DISTRICT #16 ARLINGTON PUBLIC SCHOOLS 315 N. FRENCH AVE ARLINGTON, WA 98223 PHONE. 360.618.6238 ARCHITECT McGRANAHAN ARCHITECTS 2111 PACIFIC AVENUE, SUITE 100 TACOMA, WA 98402 PHONE: 253.383, 3084 CIVIL ENGINEER HARMSEN & ASSOCIATES 2822 COLBY AVENUE, SUITE 300 EVERETT, WA 98201 PHONE: 360.794.7811 MODULAR BUILDING MANUFACTURER BLAZER INDUSTRIES, INC PO BOX 489 AUMSVILLE, OR 97325 PHONE: 503 749.1900 FAX, 503, 749.3969 ELECTRICAL ENGINEER BCE ENGINEERS 6021 12TH STREET E. SUITE 200 FIFE, WA 09424 PHONE 253.922,0446 PR'0JECT DATA PROJECT P- O^, PORTABL B.,'_ N'=AD .T'CN: THIS PRO CT 'I-NiVOLv ES T, E- NSTALLATION OF TWO PORTABLE CLASSROOM BUILDINGS ON THE SITE F TIDE Ey, S " G =AGLE CREEK ELEMENTARY SCHOOL. n HAuLE CREK r`Hty1CRj-AR 1216 E 5TJ STREET ARLINGTO .'b° IA 9822,; 31051200210300 LEGAL DESCRIPTION SEC 12 T`A10 31 RGE 05 TH PTN S1'2 N ,'V1/4 NW1?4 DAF - BEG SE COR NW1/4 NW1/4 TH W ALG S LN SD S112 N4Vl,4 NW1/4 TO SE COR LOT a PLAT OF PIED PIPER HEIGHTS TH NLY ALG E BDY LN SD PLAT & ALEt- EXT OF SD LN NSAME D!R TO INT N LN SD S1/2 NW1/4 NW1/4 TH ELY ALG SD N LN TO NE COR S[„" SUB TH S ALG E LN SD SUB TO POB TGW ALL TH PTN LOT 9 OF KUNZE ACREAGE TRACT LY N OF FDL - BEG SE COR LOT 9 TH NLY 200.62FTALG E LN THOF TO TPB SD LN TH WLY IN A STRT LN TAP ON 'VV LN SD LvT'.4H IS 20OFT N OF SW COR THOF & TERM SD LN TGW LOT 14 SD KUNZE:ACREAGE 'R EXC PTN DAF BEG SE COR SD LOT 14 TH S87*30 34W 6.23FT THN30*24 32E TO ELT LN SD LOT T' S ALG E LN SD LOT TO SE COR & ROB & TGW TH PTN LOT 13 SD KUNZE ACREAGE �R DAF - BEG MA' OCR SD LOT 13 TH N85'24 32E 85.18FT TH S03*00 OOW 151.33FT TH S15'24 32Vf 159.63FTTH S30*24 32`v"V 88.05FT TH CONT ON LAST BEAR TAP OF INT WITH W LN SD LOT 13 TH LILY ALG W LN TO POB & ALSO TGW TH PTN N1/2 NW1/4 NW114 LY ELY OF PLAT OF BURGOYN ADD EXC TH PTN OF %'Ji/4 NW1/4 NW1/4 LYSLY OF A LN EXT N87*40 18E FIR NE COR LOT 7 SID FLAT TO E LN SD SUB. EXC TH PTN THOF DAF: BEG SE COR NW1/4 NW1/4 TH W ALG S LN OF S1/2 NW1/4 N'W1 /4 TO SE COR LOT 9 PLAT PIED PIPER HEIGHTS, VOL 13 PG109 OF PLAT TH NLY ALG E BDY LN SD PLAT & •ALG EXT OF SD LN IN SAME DIR TO INT N LN OF S1/2 NW1/4 NW1/4 TH ELY AL SD N LN TO NE COR S1/2 NWI/4 NW1/4 TH S ALG E LN OF SD S1/2 NW1/4 NWIA TPB, ALSOEXC DP - COM SE COR LOT 9 KUNZE ACREAGE TRS IN VOL 9 PG 43 OF PLATS TH N04*13 55E ALG E N SD LOT 9 DIST 200.62FT TO TPB TH CONT N04*13 55E ALG SD E LN DIST 60.28FT TH S88'42 59 DIST 565.23FT TO ELN OF 01562FT OF E1l2 N1/2 NW1/4 NW1/4 TH S45*16 46W DIST 180.93FT TD S LN OF E11/2 N1/2 NW1/4 NVV114 TH N87*12 01E ALG SD S LN DIST 211.62FT TO SE COR SD SUB TH N04°11 13E ALG E LN SD SUB DIST 59.07FTTH N88*42 59E DIST 473.64FT TPB PER SWD REC AFN 2 0006120448, TGW FDP - COM SE COR LOT 9 KUNZE ACREAGE TRACTS PER PLATS VOL 9 PG 43 TH N04''13 55E ALG ELN SD LOT 9 200 62FT TPB TH CONT N04*13 55E ALGSD E LN 60.28FT TH S88*42 9W 565.23FT TO E LN W 562FT OF E1/2 N1/2 NW1/4 NVIM'A TH S45*16 46W 180.93FT TO S LN E1/2 N1 NW1A N`v'�r114 TH N87'�12 01E ALG SD S LN 211.62FT TO SE COR SD SUB TH N0411 13EALG E IN SD SUB 59.07FT TH N88*42 59E 473.64FT'TPB PER QCD REC AFN 200105220839 CITY OF ARLINGTON P/PS LOT AREA 18.6 ACRE PUBLIC/SEMI-PUBLIC ANALYSIS - - _ ....... -- - ----- - OCCUPANCY TYPE: E BUILDING AREA EACH BUILDING !S A GROSS AREA OF 1,963 SF FOR A COMBINED TOTAL AREA OF 3,926 1F OCCUPA LOAD: EACH OF THE T*O NEW BUILDINGS CONTAINS TWO CLASSROOMS AT 768 SF EA. PER ABLE 1004.5 OF THE IBC THE COMBINED OCCUPANT LOAD FOR EACH BUILDING 77. a EXITING: �ACH CLASSROOIU1 IS PROVIDED WTH T WO EXITS THAT DISCHARGE DIRECTLY AT GRADE (4„'QER BULD'NG THE Ef 'L2,NGSARE BEING SET ON RECESSED FOUNDATIONS SO RAMPS APE N ' EQi 'R_D CONSTRt1 TON TYPE: T PE ,'E NON-SPRINKLERED. THE PORTABLES ARE WOOD FRAME CONSTRU TICN. THE`' `,'d''LL BE MANUFACTURED OFF SITE AND DELIVERED TO THE SITE WITH A.N L&I G LD LABEL FIRE SPR KLERS THE PORT BLES ARE BEING LOCATED ROUHGLY 50' FROM THE CLOSEST FACE OF iHE EXISTING BUILDING, PER IBC 903.2.3, EXCEPTION 2 (AS MODIFIED BY W,ASHINGII'ON STATE AMENDMENTS: -IRE SPRINKLERS ARE NOT REQUIRED IN PORTABLE SCHOOL (JLASSROOMS WITH AN OCCUPANT LOAD OF 51-98 PROVIDED THAT EACH CLSSROOM IS PRO`IIDEC•) WITH TWO EXITS, AT LESS ONE OF WHICH IS ACCESSIBLE, AND THE AGGREGATE AREA O= ,NY CLUSTER OF PORT, E -SS LESS THAN 6.000 SF. ALL CONDITIONS OF THE EXCEP`h_-IN HAVE BEEN MET THERE=JRE SPINKLERS ARE NOT BEING PROVIDED PLUMBIN3 "4CH CLASSROOM !S PROVIDED WITH A TOILET ROOM THAT: NCLUDES A TOILET K AS WELL ,AS A, SEGJND HAND SINK IN THE CLASSROOM, BUILDING!H&GHT THE B '.:LL BE IV-10" HIGH FROM GRADE TO THE HIGHEST POINT OF "HE Raw; GI. PARKING COUNT 34 MkN' B''4111D NO CLASS RCC"r'S - 2 EXISTING PORTABLE CLASSROOMS + 4 NEW PORTABLE CLASSROOMS = 40 TOT AaSROOMS x KEQUIRED ST L -STING G STALLS - " " __ dA "ED STALLS AT' THE NEW PORTABLES = 66 REMAINING AND 4 NE`, R.Ei IRED THE -' _-JA ,ENT STILL. :,,);I SH 'VALLEY LEARNING CENTER (SVLC) HAS A TOTAL OF 51 PARKING ST;aI ; ''N'A PAVED ''C" .;'YDER THE POWER LINE EASEMENT, THEIR 10 CLASSROOMS REQUIRE '8 S- LS„ 4 OF THE "E S•cSS 33 STALLS WIL BE DEDICATED TO EAGLE CREEK ELEMENTARY QTL,- CULTURAL RESOURCED-INADVERTENT DISCOVERY ATE L,µ';'' ROTECTS ARCHEOLOGICAL RESOURCES. IF ANY OF THE FOLLOWING EMS A.R_ C SS;;',/ERED DURING THE COURSE OF THIS PROJECT, THE CONRACTOR IS TD STOP ; ; % . T ONCE AND NOTIFY THE OWNER. 1 MIULATION OF SHELL, BURNED ROCKES, OR 01 HER FOOD RELATED 2« BCNES CR ECNE FRAGMENTS. (CONTRACTOR:S TO NOTIFY THE POLICE IN SS OVER OF HUMAN REMAINS). ;�,IV 'RE,µ ,vF OHAR.COA'L OR VERY DARK STAINED SOIL WITH ARTIFACTS, 41 STS `;F ,L. C�S OR WASTE FLAKES (I.E. AN ARROWHEAD OR STONE CHIPS). 5; CI' CF TIN CANS OR BOTTLES, LOGGING OR AGRICULTURAL THAT APPEARS TO BE OLDER THAN 50 YEARS. 6p S R LC FA LROAD TRACKS, DECKING, OR OTHER INDUSTRIAL MATERIALS, I: THE E,,,"-?T C; D.SCOVER'Y, THE OWNER'S ARCHAOLOGICAL CONSULTANT WII L Rp VIEW T-'E C SC C :'ERY AND MAKE A DETERMINATION AS TO THE REQUIRED AC! ION, N t c VICINITY t I \.. � v; Alft \ . a. PROJECT NOTES 1. ALL WORK PERFORMED SHALL COMPLY WITH THESE GENERAL NOTES UNLESS OTHERWISE NOTED ON THE DRAWINGS AND SPECIFICATIONS, THE GENERAL CONTRACTOR SHALL COORDINATE THE GENERAL NOTES WITH THE WORK OF ALL TRADES INCLUDING BUT NOT LIMITED TO THE MECHANICAL AND ELECTRICAL TRADES. 2. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ACCURATE BUILDING PLACEMENT ON SITE 3. THE CONTRACTOR SHALL VISIT ALL SITES ASSOCCATED WITH THE WORK AND BE KNOWLEDGEABLE OF CONDITIONS THEREOF, THE CONTRACTOR SHALL INVESTIGATE, VERIFY, AND BE RESPONSIBLE FOR ALL CONDITIONS OF THE PROJECT AND SHALL NOTIFY THE OWNER / ARCHITECT OF CONDITIONS REQUIRING MODIFICATION BEFORE PROCEEDING WITH THE WORK, 4. WHERE DISCREPANCIES EXIST BETWEEN DRAWINGS BY VARIOUS DISCIPLINES, ARCHITECTURE DRAWINGS SHALL GENERALLY BE ASSUMED TO GOVERN. IN SUCH INSTANCES THE CONTRACTOR SHALL CONSULT THE ARCHITECT BEFORE PROCEEDING WITH THE WORK, 5 CONDITIONS WHICH ARE NOT DETAILED SHALL BE ASSUMED TO BE SIMILAR IN CHARACTER TO THOSE WHICH ARE WHERE SPECIFIC DIMENSIONS. DETAILS OR DESIGN INTENT CAN NOT BE DETERMINED THE CONTRACTOR SHALL NOTIFY T HE ARCHITECT PRIOR TO PROCEEDING WITH THE WORK, 6. ALL WORK SHALL CONFORM TO THE REQUIREMENTS OF ALL APPLICABLE CODES AND GOVERNING AUTHORITIES AND SHALL BE OF BEST PRACTICE OF EACH TRADE, 7. ALL DIMENSIONS PI -?ALL TAKE PRECEDENCE OVER SCALE, DO NOT SCALE THE DRAWINGS. 8. ALL DIMENSIONS :'HALL BE VERIFIED IN THE FIELD PRIOR TO PROCEEDING WITH THE WORK. THE CONTRACTOR IS TO NOTIFY THE AROHITECT OF ANY DISCREPANCIES/ CORRECTIONS. 9. DEMOLITION / CONSTRUCTION SHALL CONFORM TO CHAPTERS 14 IFC AND 33 IBC 10. THE PORTABLE CLASSROOM(S) SHALL BEAR; ABOR AND INDUSTRIES GOLD LABELS AND CONFORM TO LIGHT AND VENTILATION REQUIREMENTS PER IBC CHAPTER 12. 11. THE SCHOOL DISTRICT WILL COORDINATE WITH THE CONTRACTOR FOR PROVIDING A CLEAR PATH OF TRAVEL IN PARKING AREAS LOCATED AT THE SCHOOL, SHEET INDEX GENERAL GO.00 COVER SHEET CIVIL C1.0 COVER SHEET & STORf I"PATER POLLUTION PREVENTION PLAN C2.0 STORM DRAINAGE & P.4VING PLAN C3.0 SANITARY SEINER & "dAT ER PLAN C4.0 GENERAL CONSTRUCTION NOTES ARCHITECTURAL A1.M STAIR PLAINS. STAIR SECTIONS AND DETAILS architect_ MCGRANAHAN ARCHITECTS civil engineer--- HARMSEN AND ASSOCIATES. INC electrical engineer - BCE ENGINEERS, INC. BLAZER INDUSTRIES, INC, - } MOBILE 7354 REGISTERED ARCHITECT CHRISTOPI',ER J. LILLEY STATE OF'WASHINGTON project_ EAGLE CREEK ELEMENTARY - PORTABLE client_ ARLINGTON PUBLIC SCHOOLS location ARLINGTON, VRIA Project. No2010,330 CO"'VER SHEET issued CIVIL CONSTRUCTION 22 MA PERMIT revision_ drawn_ JP checked_ CL sheet_ s DIM PEA, � v STEEL BOLLARD WITH YELLOW SP POLYETHYLENE BOLLARD COVER CONCRETE FOOTING , f ....__.------- _._......_.__ ._ ......----- _........_ - ._,....... I . , ° - __.._- ------ --- I _ I - L . --- ....._. r� 1' U. MIN ORIGINAL SHEET IS 36`° x 24" copyright 2023 all rights reserved :i ''0 mvg�� / 1 1/4" C! ' "e R STD =" STEEL P'=__ PC S� AND HW'DP,L R PLAN NON -SHRINK GROUT -- p, I CONCRETE/ASPHALT _� I IL ETAIL Shale: 1 1/2` = I' i "s STD STEE PE HANDRAIL SEE —� VIS:BiL TY/NON SLIP GROOVES, TYP J � n G Q G • - --- --- NOSING BAR, 1YP co — CONCRETE STEP w 4" CRUSHED SURFACE 0 TOP COARSE °,; d 112'° RADIUS, TYP v.. �n AT : 1 -/ ( /. C ✓ _ 6 A a y 1 x PROJECT NORTH PROJECT NORTH I= x ur Q 0 <c a� wemim' 10 Scale: 3" = V-0" j SEE/- \A1 00 / on A Scale: 1/2" = V-0" PORTABLE CONCRETE STAIR AND LANDING STD STEEL PIPE HANDRAIL EACH SIDE 8 ! a M Scale. 1/2`• = V-0" q_ q_ architect_ MCGRANAHAN ARCHITECTS civil engineer-_. HARMSEN AND ASSOCIATES, ll� electrical engine BCE ENGINEERS, INC. modular building BLAZER INDUSTRIES, INC. - PAI MOBILE 1311 REGISTERED ARCHITECT CHRISTOP},ERJ. LILLEY f STATE OFVASHINGTOI' I project_ EAGLE CREEK ELEMENTARY - PORTABLE client_ ARLINGTON PUBLIC SCHOOLS location ARLINGTON, WA Project No2010.330 STAIR PLANS, STAIR SECTION. AND DETAILS issued BID / PERMIT SET revision drawn— DAS checked_ CL Sheet_ 22 h �}SECTION 12, TOWNSHIP 31 NORTH, RANGE 05 P Ps t A 1 ! 1 d :P d 1 '—as _ NO IWMR r a ,d N In E6— NO mm NO lU Lm EIL �m ENTAR IF TEMPORARY INLET rm %00 F% mt-m rm sSMH PROTECTION PER WSDOT RIM=182.00' SS L_ IE=177.5' TO CL; CHANNEL a' _ ' STANDARDS AND BMP C220 8"PVC, IN -EAST, _ OUT -WEST w . a - �a[snow lu fit} d t 7 ES ss-_ LOW R I i ff%'(j uffsimNa Um'ss "L 9 Y 4 IN OISTRICT A L I "O"T" I S a WSDOT STANDARD DETAILS q. m ARCHITECT/CONTACT ` -- 1-30.15-02 SILT FENCE ,- ' - - _ _ _ _ - _ - _ _ _ PLANTERWtTFT _ d _ I- fl.20-00 STORM DRAIN INLET PROTECTION: CONIC \WALL(TYP) 1-10.1 -01 NIGH VISIBILITY FENCE BIVIP LIST r t C103 HIGH VISIBILITY PLASTIC OR METAL FENCE ! a. C105 STABILIZED CONSTRUCTION ENTRANCE C107 CONSTRUCTION ROAD/PARKING AREA STABILIZATION } v, C123 PLASTIC COVERING C220 STORM INLET PROTECTION C233 SILT FENCE EAGLE CREEK a, ELEMENTARY a Fw U) ., � t I e ' } 1 ? 1 a 7 t t *' it t 7 Y a ! \ \ d'' — ---- o c CP 3 t 1 + a \ cn s I l (j) i � e — ® ... — ,{ REMOVE EXISTING ' }I 1' PARKING � II { SAW UT EXISTING at it L AP ROSE. LOCATION OF i� Ip '°> It PAVENT AS REQUIRED 3 WIDE EMERGENCY I II ACCESS EASEMENT _ It �, \ it i AFN2(k105220840 (n It PROPOSEDco ® p I t \ PORTABLE 1{ FFE 189.20 REMOVE EXISTING FENCE A5 \ REQUIRED FOR PLACEMENT �. OF NEW PORTABLES It if COO DIN TRENCHING AND t it II ASPHAL r COVER WITH ELECTRICAL t _ _ \ 4 SD - SD —Sp i � � f F ilg i 1 II SITE BM TEMPORARY INLET A EL-181,07 it PROTECTION PER WSDOT "STANDARDS AND BMP C220 1 �' j jI� LEARING LIMITS PER \ I I II If SDOT STANDARDS 4 e ')cn1 t ll 1 ND ISMP C103 00 I 1 {� PROPOSED 9 t l II PORTABLE II FFE 181.90 t' It t REI 4OVE EXISTING FENCE AS...... 3 RE UIRED FOR PLACEMENT OF NEW PORTABLES it wa I } E \ I i! —___ ``---' EXISTING STORM TO '. l } --- —°-- REMAIN. PROTECT i� 1 FENCE TO SOUTH TO '1 REMAIN. PROTkT j DURING CONSTRUCTION r i STORMWATER POLLUTIONPREVENTION L SCALE 1 "=20' P.\WORK\PROJECTS\2023\23-049 MCGRANAHAN-EAGLE CRK\CE\DWG\SHEETS\C1.0 COVER SWPPP.DWG 5/19/2023 ® DURING CONSTRUCTIKON I q \ � q O a I D SD ------------- SD — SD SD ..,.__._--� SD _ SD SD tsD SD STORM LINE TO W'__TEMPORARY INLET BE ABANDONED PROTECTION PER WSDOT STANDARDS AND BMP C220 + a, r PvICGRANAHAN ARCHITECTS L11', PACIFIC AVENUE; STE. 100 T AC,CMA; WA 98402 1253; 383-3084 EMAIL: mltch.kent@mcgranahan.com OWNER/ APPLICANT BRIAN LEWIS EXECUTIVE • R OF OPERATIONS ARLINGTON PUBLIC SCHOOLS FRENCH 1 98223 EMAIL:blewis@asd.wednet.edu DAVID HARMSEN, P.E. HARMSEN, LLC. 125 E MAIN ST., SUITE 104 MONROE WA, 98272 (.360) 794-7811 EMAIL: davldh@harmsenlic.com SITE INFORMATION EAGLE CREEK ELEMENTARY SCHOOL 1216 E 5TH STREET ARLINGTON, WA 98223 TAX PARCEL: 31051200200300 PROPERTY AREA: 18.6 AC NEW IMPERVIOUS 0 SF REPLACED IMPERVIOUS 0 SF POLLUTION GENERATING IMPERVIOUS 0 SF DISTURBED AREA 10,500 SF BENCH MARK BASKETBALL HOOP FIRE HYDRANT >< to/ATER VALVE ❑G GAS METER EB `A'ATER METER 0HH HAND HOLE 0---):�' LUMINAIRE E TRANSFORMER PAD 711 POWER VAULT !_cx) I POWER METER r POWER POLE CATCH BASIN CULVERT END • S T'ORM DRAIN CLEANOUT STORM DRAIN MANHOLE u S-ORM DRAIN VAULT ' ARD DRAIN VERTICAL DATUM NAVD 88 0 20 40 Feet NAD 83(2011) WASHINGTON STATE PLANE COORDINATE SYSTEM. NORTH ZONE COMBINED SCALE FACTOR: 0.9999379798 BENCHMARK PROJECT BENCHMARK: MAG NAIL WITH WASHER SET IN PAVEMENT ELEVATION = 181,07' VERTICAL INFORMATION DERIVED FROM MULTIPLE GPS OCCUPATIONS UTILIZING THE WASHINGTON STATE REFERENCE NETWORK. r VICINITY MAP o 0 SCALE 1 "®2000' fir-®y 04 m liey: ,\lo:: IN `\�,,,, \�\ cmQ 1151 , sum 77 \\\\,,.. \ 4\ a\ .\\ ., RM\ \.. gm qg alm sm oaf \ .\ 0. C. \ , :,: \o. \ \ .. \ \ ::, \:,::.,.. \\...... \ a \c:. \.... \ . \\�. \\ �� `'a:�\,:: ::,,a,>,..:,. - \ :,.,.,...<. .. `,..,i;,, ,.... ..�., \:tee.: `\\n,\..,� ,a, NI \� ,, ,,,...:::, E TipNO 401 ift ROM \\\\ \ \.. C tt._\\........... _.._ .. ..,., \\ a \. IN Of \\\ \ \ \ tu :gzz to ...:.fi..ACv \ \OD , \ \: ... c: . \. \, \ \nu t\.Lu IN .\\ ... \ \ \�\.. \........\ s \ .... ... u \ .. \� OVERALL Ix I LA N w SCALE 1 "=200' cm N SANITARY SEWER CLEANOUT Ca 0S SEWER MANHOLE O T TELEPHONE PEDESTAL Q JUNCTION BOX 11 POST/GATE POST BOLLARD SIGN POST FLAGPOLE -- Tv -- CABLE TV LINE CHAIN LINK FENCE LINE -- — G--- GAS LINE _ p ------ POWER LINE — up--- POWER LINE (U.G.) _ ss— SEWER LINE — SC---- STORM DRAIN LINE ----- UT--- TELEPHONE LINE (U.G.) --- Vf-- WATER LINE OF ]'.HE N 1/2 OF NW 1/4 OF THE NW 1/4 AND A PORTION OF H_ N, 2 OF THE NE /4 OF THE NW 14 OF SECTION 12. TOWNSHIP 31 :NORTH RANGE 5 EAST; W.M. SE ND THE SAME PROPERTY AS DEPICTED ON RECORD OF SURVEY ? :N 2,_'�;7203205007 EXCEPT THAT PORTION LYING IN THE S 1/2 OF THE %'," ' 4 0= THE NW 1/4 SECTION 12, TOWNSHIP 31 NORTH, RANGE 5 EAs- M ,;iaT_ iN THE COUNTY OF SNOHOMISH, STATE OF WASHINGTON CLEARING LIMITS (BMP C101) TEMPORARY INLET PROTECTION PER WSDOT STANDARDS F 7 DEMO EXISTING L_ _ _ .J STABILIZATION NOTES TEMPORARY 10 ' STABILIZE PAVED AREAS VVITH CRUSHED ROCK PER PAVING SECTION 1 STABILIZE PAVED AREAS WITH ASPHALT PAVING R PAVING SECTION STABILIZE PERVIOUS r • : AREAS I\ RESTORATION CONSTRUCTION DRAWING REVIEW ACKNOWLEDGMENT THIS PLAN HAS BEEN REVIEWED AND EVALUATED FOR GENERAL COMPLIANCE WITH THE CITY OF ARLINGTON CODES AND ORDINANCES. CONFORMANCE OF THIS DESIGN WITH ALL APPLICABLE LAWS AND REGULATIONS IS THE FULL AND COMPLETE RESPONSIBILITY OF THE LICENSED DESIGN ENGINEER. WHOSE STAMP AND SIGNATURE APPEAR ON THIS SHEET, ACKNOWLEDGMENT OF CONSTRUCTION DRAWING REVIEW DOES NOT IMPLY CITY APPROVAL FOR CONSTRUCTION ACTIVITIES THAT REQUIRE OTHER COUNTY, STATE (OR FEDERAL PERMIT REVIEW AND APPROVAL, THE PROPERTY OWNER AND LICENSED DESIGN ENGINEER SHALL BE RESPONSIBLE FOR THE ACQUISITION AND COMPLIANCE OF ALL APPLICABLE PERMITS AND/OR AUTHORIZATIONS WHICH MAY INCLUDE, BUT ARE NOT LIMITED TO, WSDFW HYDRAULIC PROJECT APPROVAL (HPA), WSDOE NOTICE OF INTENT (NOI), ANY CORP OF ENGINEERS FILL PERMITS AND TH QUIREMENTS OF THE ENDANGERED SPECIES ACT. BY.• DA TE. THIS APPR VAL VALID FOR 18 MONTHS UNPI)Ei .:SF{ED WORK GQPYR;GtiT O 2023 BY HARMSEN n ASSOC}ATES INC c... a .. 1 c♦ . LIJ r *' f LU 00 WIN 9. — — C<1 6 t d . I WARP PAVING AT E 1 DOOR TO DIRECT to , ASPHALT T ICKENED RUNOFF TO THE EDGE AT ORTH & - - - WEST -`- -_- --- \ z EAST OF UILDING \\`` _r__---__ ____> _A________ dcr ui \` , p 6" SDCO, TYPICAL �, .... �» -� ` SDCO, TYPICAL I- o mom 6" PVC ROOF 182.84 O COLLECTOR, TYPICAL r ; � � 6" PVC RO®�®, ' ,1� � / U) COLLECTOR, TYPICAL ; * Ij SLOPE PAVING TO ■ ? FLOW AROUND wcn =`(j PROPOSED ACCESS G I I '\, PORTABLE l I3 `\FFE 182.90 II 5 FT CONCRETE 1 , a< LANDING. SLOPE AT iJ e, uJ { •_II b 2% AWAY FROM BLDG cp STAIR #1, SEE ARCHITECTURAL EXTEND ASPHALT TO 1 I \ c ( i °_. ! EXISTING SURFACE. 5% r' . II * Y MAX SLOPE SAWCUT & PATCH PER , t CITY OF ARLINGTON �A j DETAIL R-140 � ( � I� � ' \`'� ASPHALT PAVING \ l t III CRAWL PER DETAIL cl., SDC( --X. A 80 LF 12" PVC '' ACCESS SDCB-1, TYPE I cp J' RIM 179,81 ,� 1 . I : _ - = J N. 437992, 98 ' (CAP) — — » — ,,,._ _,...:.�-,�' .;, ' .: E: 1328278.17 IE: (: 2' SE) IN=11e.23 CAP I """ SD -�`"""" p"'"..-"-- "LI IE (1Z"'N) OUT=L76.16 .a�. _.. _ .-. Y 32 LF 12" PVC / IE ( S) IIJ=177.81 „ II' 181.85 ' ASPHALT THICKENED 4E (12" E)�1N'-176.16 (idEW) � � °� TEE 6 PVC ROOF �,:, IS' ) _ , % �. COLLECTOR INTO EDGE AT NORTH & t A 12" STORM `� �. � II. �Q EAST OF BUILDING t SDCB-2, TYPE I �sc t.:I N: 437961.24 II PROPOSED 0, E: 1328279.29 PORTABLE 2- % % co FFE 181.90 5 FT CONCRETE WARP PAVING AT Ij LANDING. SLOPE AT 2` f t " DOOR TO DIRECT ° 2%AWAY FROM BLDG �O / \ RUNOFF TO THE . 1 ' EXTEND ASPHALT TO WEST ;1 ,� MATCH EXISTING' b f SURFACE. 5% MAX SLOPE �c� I DIRECT FLOW ALONG ( . I ,cn, 41 THICKENED EDGE TO I i g t SAWCUT & PATCH PER PROPOSED { fI S°�.♦ CITY OF ARLINGTON CATCHBASINS ! = I \� DETAIL R-140 ,� - - 80 LF 12" PVC / - _ _ .- - - _ I - - - _ -' J � a a co STAIR #2, SEE o ARCHITECTURAL BOLLARDI PER S c� \ ARCHITECt c �° MATCH EXISTING, t CRAWL SEAL JOINT WITH ACCESS (1-CB c �t 1, f�c � EXISTING 12" STORM TO REMAIN RIM=179.28 RS-4000 OR EQUAL l CAP EXISTING STORM LI -t SD SID Si, —_` SU --a IE=177.62' 12"CPP N s AT EACH END. REMO �. sJ s , so f = EE=177.75' 12"CPP W o ONLY AS REQUIRED F J SDCB-EX. ,'B-, P E 0 r NEW FOOTINGE. TYPE I K / RIM 258 J RESET S RUCTURE AS IE(1"NE)IN=17$.6� NE ESSARY FOR IE (12" E) IN=! 77.0,7 ,' ® C i REVISE PIPE ANGLE IE (12" NW) OUTT177.07 (NEW) IE (12°' NW) OUT'.=177.07 (,CAP,` STORMI PAVING PLAN SCALE 1 "=20' m 175 iK g TYPE RIM=179.81 IE (12" E) IN=176.16 (NEW) IE (12" SE) IN=176.23 (CAP) IE (12" S) IN=177.81 IE (12" N) OUT=176 16 80 LF 12" PVC S=0.005 FT/FT 0+20 0 TYPE I RIM=181.69 IE (12" S) IN=17&54 IE (12'. W) OUT=176.54 PROPOSED SEWER SDCB-E. B TYPE I RIM=181 58 IE (12" NE) IN=178.69 IE r 12" E IN=177.07 185 APPR XIMATE (NEW) IE a12" NW) OUT=177 0- EXIST G GROUND (CAP) IE,,!,--, NW) OUT=1,-.�'T �^ 180 32 LF 12" PVC S=0.005 FT/FT 0+40 0+60 0+80 1+00 TO - PROR SCALE: H: 1"=20' V: 1 "=5' P:\WORKIPROJECTS\2023\23-049 MCGRANAHAN-EAGLE CRK\CE\DW(3\SHEETS\C2.0 STORM PAVING.DWG 5125i2023 I 81-0 LF 112' PVC 5-0.005 FT/FT 175 SDCB-2 TYPE RIM=181.38 IE (12" SE) IN=176.69 IE (12" N) OUT=176.69 170 1 +20 1 +40 1+60 1 +80 2+00 1 SCALE: NONE r 2.5" MINIMUM COMPACTED DEPTH HMA - 4" MINIMUM COMPACTED DEPTH CSBC, COMPACT TO 95% OF ASTM D-1557 COMPACT SUBGRADE TO 95% OF THE MAXIMUM DENSITY AS DETERMINED BY ASTM D-1557, PLACE STRUCTURAL FILL IF REQUIRED \--4" MINIMUM DEPTH CONCRETE (3,000 PSI) - 4" MINIMUM COMPACTED DEPTH, CSBC, COMPACTED TO 95% OF MODIFIED PROCTOR DENSITY SUBGRADE, COMPACTED TO 95% MODIFIED PROCTOR DENSITY THICKENED e UII 0 Ii • RUNS SHALLHAVE POSITIVE r: AND 6" MIN DIAMETER SMOOTH WALL PIPE. 1 2. INSTALL CLEANOUTS AT TEES, BENDS 45' OR GREATER ANI AT INTERVALS NO GREATER THAN 150 LF, CONSTRUCTION DRAWING APPROVAL THIS PLAN SHEET HAS BEEN REVIEWED AND APPROVED PER THE CONDITIONS ON THE TITLE SHEET, yBY. jj ®EVELOPIVEAIT SE fCES MANAGER LATE: THIS kPPR6VAL VALID FOR 18 MONTHS LLJ uj r CC ch 04 • ■; 1 • CL .. r K101—il , C� uN�UBL'SriEC WOP,,K CC='YR:;iiiT �' 2023 BY I-1AR?,hSEN n ASSGC:AT>_-S IN— IPA 11"Iffill"Ilkil, 11 !► x `. a OiLfWATERSEPERATOR MAN LE COVER RIM=18 .52' `4 ! IE NOTVISIBLE REMOVE AND E it I 6 6 REPLACE 1 `,\ CONCRETE WALK m-K IND �. 1 + \4 ' 1 [� o SAV fCUT AND PA H FOR } ° ! ELECTRICAL ; _ its e F l •- \ .-.., e. .-<. -. .e e... .. — x NEAREST EXISTING FIRE HYDRANT s � y N: 438063.19 L 4 : 1328236.40 SSMH-1 \t, I • j (2) 5/8" WATER METERS �\ it \. PER CITY OF ARLINGTON I �`\ STD DETAIL W-040 \� POR BLED FFE182.90 itI;IV� SAWCUT & PATCH PER c7 CITY OF ARLINGTON DETAIL R-140 1 1 I.i 7 LF 6" PVC-: �x S=0.010FT/FT\`} f S III SAWCUT & PATCH ( 111 LF 8" DI ii ■ �'. WITH RS4000 OR \\ i $ S - -0.005 FT/FT III I mej e'x APPROVED EQUAL `\ ------ I xx _— SD SD i9'�-- SD SD e I b VC N: 437952.12 ! \ / E: 1328239.97 r�A � � j SSCO-SSCO 1 II � Jill 7 LF 6" PVC 'I I S = 0.010 FT/FT '' q -- -_ Ic9 PROPOSED / s II PORTABLE / i a ij FFE 181.90 I' `�c7 F � co C 1 T1-C13 t i RIM=179.28 - - - - SID -- - J " 1 - - :)__---SD SD f f IE=17762' 12"CPP N ` —._ SD — sDq— 5' - --- - l IE=177 75' 12"CPP V\r c t 1 SANITARY SEWER & WATERL Q `+l RIM-180 90' IE=176.81' 12" PVC NE JJJ T1 CB + iE=176.81' 12" PVC N dS `- m RIM=181.28' t.. - IE='176.67' 12°' PVC SW SS � S[}1 IE=178.75' 6" P�1C S , f l'Js f IE=1 78.55' 6" PVC E 5& _ SD B. ISSMI I i ' . J,' 9 :SS ',` SO l IE=178.29' 12" PVC W _ SID - - -' �a[� ••-."_ - s R1M-182.00' G 1 ®��+ �SS SD 1 SD,.k__ — SD IE=177.5' TO CL CHANNEL ,' "q'" SS ' ~ " ~- b•. SD SC "".' -__m._ sp ---. m -- 8"PVC. IN -EAST, OUT -WEST 6 fir\ RIM=1 d� RIM80.58' SS SAWCUT & PATCH 'lei ; \ IE=176.57' 12" PVC S ~� S ; WITH RS4000 OR 8'n� , IE=176.65' 12" PVC NE S � SS APPROVED EQUAL !'. its i � � M\\'` IE=176.61 12 PVC E 6 SS : `\ / SS ' / J Al u REMOVE & REPLACE �. A e / l` _ '4y ~ SS � I <a ° PROTECT / EXISTING CONCRETE,-, 1+®A EXISTING CURB WALKWAY IN -KIND' -------------------------- A, 1.1 pia` 4 4 '4 lit a t e ... t b-'....i 4 `r yj j' 1 1 II l co rr l ., Yl1Y�# Simi] P:\WORK\PROJECTS\2023\23-049 MCGRANAHAN-EAGLE CRK\CE\DWG}•SHEETS\C3 0 SEWER WATER.DWG 5i23/2023 1:1 i ► EX. SSMH TO SSMH 1 -PROFILE SCALE: H: 1 "=20' V- 1 "=5' A I � � SS H-1 33745 RiP>1-182.24 _ SScO I f ` { N) IPA=178 v4 RIM=18&89 jIE i• "Sj 0UT="7 3A IE (8" N) IN=170.20 rIJ 185 ! IE (6" E) IN=179.37 185 APPROXIMATE EXISTING GROUND — — 180 180 TUB 111 LF 8" DI SS STUB Z -- -S LTS-O.005I=T/FT 1+11 LT IE ',7.898 IE 179.37 12" STORM LU 175 5 175 n( _1 0 2 -D 0+40 0+60 0+ 0 1+00 1+20 LU Uj SCALE: H: 1 "=2U "=5i F' V: 1 LU t\I CONSTRUCTION DRAWING APPROVAL THIS PLAN SHEET HAS BEEN REVIEWED AND APPROVED PER THE CO DITIONS ON THE TITLE SHEET. DEVELOPMENT�S�C� ViEES �ilANAGER DATE- THIS APPROVAL VALID FOR 18 MONTHS DATE: 05/22/23 1'I 4 .: ��..m Know what's below. Call before you dig, Fd�UfrLISHED'OVORK .^C)Pvi2:G; iT?; 2023 BY HARIMSEN e, ASSDCiATES INr 1. ALL WORK AND MATERIALS SHALL CONFORM TO THE CURRENT EDITION OF THE CITY OF ARLINGTON PUBLIC WORKS STANDARDS AND SPECIFICATIONS, AND THE CURRENT EDITION OF THE WASHINGTON STATE DEPARTMENT OF TRANSPORTATION (WSDOT) STANDARD SPECIFICATIONS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION. A COPY OF THESE DOCUMENTS SHALL BE ON w CONSTRUCTION. 2. IT IS THE SOLE RESPONSIBILITY OF THE DEVELOPER/CONTRACTOR TO OBTAIN A GRADING PERMIT, RIGHT-OFWAY PERMIT, AND UTILITY PERMITS, FROM THE CITY. ALL REQUIRED PERMITS FROM OTHER AGENCIES MUST ALSO BE OBTAINED BY THE DEVELOPER/CONTRACTOR. 3. PRIOR TO ANY CONSTRUCTION ACTIVITY, THE DEVELOPER/ CONTRACTOR SHALL ATTEND A PRECONSTRUCTION CONFERENCE WITH THE CITY. THE CONSTRACTOR SHALL SCHEDULE THE w. r l :.. >. • ..:CONFERENCE BY CALLING 0 1 0 .. 00 PRIOR TO SCHEDULING, CONTRACTOR SUBMIT AND RECEIVE APPROVAL i.. y it THE TRAFFIC CONTROL PLAN, CITY PERMITS, TEMPORARY EROSION AND SEDIMENT CONTROL PLAN, PERFORMANCE BOND, COPY OF OTHER AGENCY PERMITS, A COPY OF THE CONTRACTOR'S LICENSE, AND PROOF OF INSURANCE COVERAGE. A ACOPY OF APPROVED CONSTRUCTION PLANS MUST BE ON • CONSTRUCTION • PROGRESS. PLANS.5ALL SITE WORK SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE APPROVED ANY DEVIATION FROM THE APPROVED PLANS REQUIRE >. PRIOR APPROVAL FROM OWNER, THE CITY ENGINEER, AND OTHER APPROPRIATE PUBLIC AGENCIES. & ALL OF THE LOCATIONS OF THE EXISTING UTILITIES SHOWN IN THE PLANS HAVE BEEN ESTABLISHED BY FIELD SURVEY OR OBTAINED FROM AVAILABLE RECORDS AND SHALL THEREFORE BE CONSIDERED APPROXIMATE AND NOT NECESSARILY COMPLETE. IT IS THE SOLE RESPONSIBILITY OF THE CONTRACTOR TO INDEPENDENTLY VERIFY THE ACCURACY OF ALL UTILITY LOCATIONS. 7. THE CONTRACTOR SHALL LOCATE AND PROTECT ALL CASTINGS AND UTILITIES DURING CONSTRUCTION AND SHALL CONTACT THE UNDERGROUND UTILITIES LOCATE SERVICE (1 -800-424-5555 OR 811) AT LEAST 48 HOURS PRIOR TO CONSTRUCTION. INSPECTION. 8 INSPECTION AND ACCEPTANCE OF ALL WORK WILL BE ACCOMPLISHED BY REPRESENTATIVES OF THE CITY OF ARLINGTON. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO COORDINATE AND SCHEDULE APPROPRIATE INSPECTIONS, ALLOWING PROPER ADVANCE NOTICE. THE INSPECTOR MAY REQUIRE REMOVAL AND REPLACEMENT OF ITEMS THAT DO NOT MEET CITY STANDARDS OR WERE CONSTRUCTED WITHOUT 9. THE CONTRACTOR SHALL KEEP THE, ON -SITE AND OFF -SITE STREETS CLEAN AT ALL TIMES BY CLEANING WITH A SWEEPING AND/OR VACUUM TRUCK. WASHING OF Ou 10. THE CONTRACTOR SHALL MAINTAIN TWO (2) SETS OF"AS- BUILT" PLANS SHOWING ALL FIELD CHANGES AND MODIFICATIONS. IMMEDIATELY AFTER CONSTRUCTION COMPLETION, SHALLr BOTH COPIESOF RED -LINED PLANS ! THE CITY. THE CITY WILL FORWARD ONE OF THE COPIES TO THE DESIGN ENGINEER. 1. APPROVAL OF THE TEMPORARY EROSION/SEDIMENT CONTROL (TESC) PLAN DOES NOT CONSTITUTE AN APPROVAL OF PERMANENT ROAD OR STORM DRAINAGE DESIGN. 2. A TESC PLAN MEETING THE DOE STORM WATER MANAGEMENT MANUAL ADOPTED BY THE CITY SHALL BE SUBMITTED TO THE CITY FOR APPROVAL PRIOR TO ANY WORK ON THE SITE. AN APPROVED COPY MUST BE MAINTAINED ON -SITE AND BE READILY AVAILABLE TO THE CITY INSPECTOR AT THEIR REQUEST, 3. THE TESC BMP'S SHOWN ON THE PLLAN MUST BE INSTALLED PRIOR TO ALL OTHER CLEARING AND GRADING ACTIVITIES, AND IN SUCH A MANNER AS TO ENSURE THAT SEDIMENT-LADDEN WATER DOES NOT ENTER THE DRAINAGE SYSTEM, LEAVE THE SITE, OR VIOLATE APPLICABLE WATER QUALITY STANDARDS. MAINTENANCE, REPALCEMENT, AND UPGRADING OF THE TESC PLAN IS THE RESPONSIBILITY OF THE CONTRACTOR UNTIL ALL CONSTRUCTION IS COMPLETE AND APPROVED BY THE CITY. 4. THE BOUNDARIES OF THE CLEARING LIMITS, SHOWN ON THE TESC PLAN, SHALL BE CLEARLY FENCED OR FLAGGED IN THE FIELD PRIOR TO STARTING CONSTRUCTION. NO DISTURBANCE BEYOND THE FENCED OR FLAGGED CLEARING LIMITS SHALL BE PERMITTED. THE FENCING AND/OR FLAGGING SHALL BE MAINTAINED BY THE CONTRACTOR FOR THE DURATION OF THE CONSTRUCTION PROJECT. 5. THE TESC FACILITIES SHOWN ON THE PLANS ARE THE MINIMUM REQUIREMENTS FOR THE ANTICIPATED SITE CONSTRUCTION. (DURING THE CONSTRUCTION PERIOD, THESE TESC FACILITIES SHALL BE UPGRADED AND ADDED TO AS NEEDED. FOR UNEXPECTED STORM EVENTS AND TO REFLECT CHANGED CONDITIONS. AS REQUIRED BY THE CITY 6. THE CONTRACTOR SHALL PROVIDE THE CITY A 24-HOUR EMERGENCY CONTACT PHONE NUMBER OF THE CONTRACTOR'S CERTIFIED EROSION CONTROL SUPERVISOR PRIOR TO STARTING CONSTRUCTION. 7. THE TESC FACILITIES SHALL BE INSPECTED DAILY BY THE CONTRACTOR AND MAINTAINED AS NECESSARY TO ENSURE CONTINUED FUNCTION AND OPERATION. 8. BETWEEN OCTOBER 1 AND APRIL 30, DISTURBED AREAS THAT ARE TO BE LEFT UNWORKED FOR MORE THAN TWO (2) DAYS SHALL BE IMMEDIATELY COVERED BY MULCH. SOD OR PLASTIC COVERING. BETWEEN MAY 1 AND SEPTEMBER 30. DISTURBED AREAS THAT ARE TO BE LEFT UNWORKED FOR MORE THAN SEVEN ;7) DAYS SHALL BE IMMEDIATELY COVERED BY SEEDING OR OTHER APPROVED METHODS 9, SEDIMENT DEPOSITS SHALL BE REMOVED FROM ALL CATCH BASINS, PRE-TREATMENT/SEDIMENT POND, AND SEDIMENT TRAPS UPON REACHING A DEPTH OF 12 INCHES 10. ANY PERMANENT RETENTION/DETENTION FACILITY USED AS A TEMPORARY SETTLING BASIN SHALL BE MODIFIED WITH THE NECESSARY EROSION CONTROL MEASURES, SHALL PROVIDE ADEQUATE STORAGE CAPACITY, AND SHALL BE CLEANED OUT ENTIRELY ONCE THE SITE IS STABILIZED. IF THE PERMANENT FACILITY IS TO ULTIMATELY FUNCTION AS AN INFILTRATION SYSTEM, THE FACILITY SHALL NOT BE USED AS A TEMPORARY SETTLING BASIN. 11. WHERE SEEDING FOR TEMPORARY EROSION CONTROL IS REQUIRED, FAST GERMINATING GRASSES SHALL BE APPLIED AT AN APPROXIMATE RATE OF 120 LBS PER ACRE. 12. WHERE STRAW MULCH FOR TEMPORARY EROSION CONTROL IS REQUIRED. IT SHALL BE APPLIED AT A MINIMUM THICKNESS OF 3 INCHES, OR 3,000 POUNDS PER ACRE 13. SOIL STOCKPILES SHALL BE STABILIZED WITHIN 24 HOURS. WHEN ACTIVELY WORKING WITH THE SOIL STOCKPILE, STABILIZATION BY GROUND COVER BMPS SHALL OCCUR AT THE END OF EACH WORK DAY. 14. STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT ADDITIONAL MEASURES MAY BE REQUIRED TO INSURE: THAT ALL PAVED AREAS ARE KEPT CLEAN FOR THE DURATION OF THE PROJECT. 15. MAINTENANCE AND REPAIR OF TESC FACILITIES AND STRUCTURES SHALL BE CONDUCTED IMMEDIATELY UPON RECOGNITION OF A PROBLEM OR WHEN THE TESC MEASURES BECOME DAMAGED. 16. UPON COMPLETION OF THE PROJECT, ALL BMP'S SHALL BE REMOVED FROM THE SITE AND RIGHT OF WAY. IF BMRS ARE REQUIRED TO REMAIN IN PLACE FOR FURTHER PROTECTION, ARRANEMENTS FOR REMOVAL SHALL BE MADE WITH THE CITY INSPECTOR. 17 THE DUFF LAYER AND NATIVE TOPSOIL SHALL BE RETAINED IN AN UNDISTURBED STATE TO THE MAXIMUM EXTEND PRACTICABLE. ALL AREAS SUBJECT TO CLEARING AND GRADING THAT WILL NOT BE CONVERED BY IMPERVIOUS SURFACE, INCORPORATED INTO A DRAINAGE FACILITY OR ENGEINEERED AS STRUCTURAL FILL OR SLOPE SHALL, AT THE PROJECT COMPLETION, DEMONSTRATE THE REQUIREMENTS ESTABLISHED IN T5.13 OF THE 2014 SWMMWW. POST CONSTRUCTION SOIL QUALITY AND DEPTH. R \VN0RK\PR0JECTS\2023\23-049 MCGRANAHAN-EAGLE CRK\CE\DWG\SHEErS`C4 0 NO T ES.DWG 5/19/2023 .. s i Uemm,CONSTRUCTION SOIL QUALITY BE # IN THE LANDSCAPED AREAS ON AND ANY URBED ! `TION ,,N UNDISTURBED STATE, THE DUFF LAYER AND NATIVE TOPSOIL TO JM EXTENT PRACTICABLE, IN ANY AREAS REQUIRING GRADING STOCKPILE DUFF LAYER AND TOPSOIL ON SITE IN a f c W CONTROLLED AREA, NOT ADJACENT O PUBLIC RESOURCES kL AREAS, TO BE REAPPLIED TO OTHER PORTIONS OF THE SITE ■ : i L E. • # ,FY N&I-N, w .'t # sI -.. AIr " D w- A a'Y IMPERVIOUS SURFACE, INCORPORATED INTO A DRAINAGE ENGINEERED a:ra!w •s YrDEMONSTRATE THE F! i NSOIL LAYER WITH A MINIMUM ORGANIC MATTER CONTENT OF 10% IN PLANTING i :D ORGANIC a CONTENT IN .IkAS, AND A Ir FROM OR MATCHING PH OF THE i i SOIL.TOPSOIL A w SHALL HAVE A DEPTHMINIMUM OF '. EXCEPTOHES WHERE TREE . ROOTS O DEPTH ':r w\A ION OF AMENDMENTS NEEDED TO MEET THE CRITERIA. BELOW THE TOPSOIL LAYER SHOULD BE SCARIFIED AT LEAST 4 SOME i-PO "A UPPER MATERIAL TO AVOID D LAYERS, 3. USE COMPOST AND OTHER MATERIALS THAT MEET THESE ORGANIC CONTEN REQUIREMENTS: a. FHE ORGANIC CONTENT FOR "PRE -APPROVED" AMENDMENT RATES CAN BE MET ONLY USING COMPOST MEETING THE COMPOST BELOW, WITH THEE EPTION THAT THE COMPOST MAY HAVE UP TO 35% BIOSOLIDS OR MANUR . THE COMPOST MUST ALSO HAVE AN ORGANIC MATTER CONTE T OF 40% TO 65%, AND A CARBON TO NITROGEN RATIO BELOW 25:1. T E CARBON TO NITROGEN RATIO MAY BE AS HIGH AS 35,1 FOR PLANT! GS COMPOSED ENTIRELY OF PLANTS NATIVE TO THE PUGET SOUND LOWLANDS REGION. # "#� Ii ♦ `' a ♦ � w # r r > i w A � # � • i' THE RESULTING SOIL SHOULD BE CONDUCIVE TO THE TYPE OF VEGETATION TO BE ESTAPLISHED, 1,,TION OPTIONS: JALITY DESIGN GUIDELINES LISTED ABOVE !I aMETHODS LISTED BELOW. - UNDISTURBED NATIVE VEGETATION AND SOIL,AND PROTECT APACTION DURING CONSTRUCTION. 2. AMENt) EXISTING SITE TOPSOIL OR SUBSOIL EITHER AT DEFAULT "PRE -APPROVED' RATES, OR AT CUSTOM CALCULATED RATES BASED ON TESTS Oq THE SOIL AND AMENDMENT 3. STOCKPILE EXISTING TOPSOIL DURING GRADING, AND REPLACE IT PRIOR TO PLANTiING. STOCKPILED TOPSOIL MUST ALSO BE AMENDED IF NEEDED TO MEET THE; ORGANIC MATTER OR DEPTH REQUIREMENTS, EITHER AT A DEFAULT 'PRE -APPROVED" RATE OR AT A CUSTOM CALCULATED RATE, 4 IMPO T TOPSOIL MIX OF SUFFICIENT ORGANIC CONTENT AND DEPTH TO MEET THE REQUIREMENTS MORE THAN ONE METHOD MAY BE USED ON DIFFERENT PORTIONS OF THE SAME SITE. FOIL THAT ALREADY MEETS THE DEPTH AND ORGANIC MATTER QUALITY STANDARDS, AND IS NOT COMPACTED DOES NOT NEED TO BE AMENDED COMPOST TO ENSURE THAT THE BSM WILL SUPPORT HEALTHY PLANT GROWTH AND ROOT DEVE OPMENT, CONTRIBUTE TO BIOFIL T RATION OF POLLUTANTS, AND NOT RESTR CT INFILTRATION WHEN USED IN THE PROPORTIONS CITED HEREIN, TH FOLLOWING COMPOST STANDARDS ARE REQUIRED. MEETS THE DEFINITION OF COMPOSTED MATERIAL" IN WAC 1 33-350-100 AND COMPLIES/ITH TESTING PARAMETERS AND OTHER STANDARDS IN WAC 173-350-220., PRODUCED �T A. COMPOSTING FACILITY THA T ,S PERMITTED BY THE JURISDICTIONAL HEALTH AUTHORITY. PERMi-TED COMPOST FACILITIES IN WASHINGTgN ARE INCLUDED ON A LIST r VAILABLE AT HTTP://VLMNV.ECY WA.GOV/PROGRAMS/&4`, FA ORGAN ICS'SOIL.HTML THE COMPOST PRODUCT MUST ORIGINATE A 'w";iNIMUM OF 65 PERCENT BY VOLUME FROM RECYCLED PL.-` NT \ VA.STE CCN1�:RISED OF YARD DEBRIS ,CROP RESIVUES," AND BULKING AGENTS S THOSE TERMS ARE DEFINED IN VINAC 17 3-350- E 00. A MAXIM U,M OF 35 PERCENT BY VOLUME OF :'POST -CON UMER FOOD `'AASTE-' AS DEFINED IN WAC "; 3-350-100, BUT NOT INCLUDING 1IOSOLIDS.1%1A,I BE SUBST'T'UTED FOR RECYCLED PLANT',AIASTE STABLE (LOT, OXYGEN USE AND CO2 GENERATION) AND MATURE (CA.PABL E OF SUPPORTING PLANT GRO;.PvTH; BY TESTS SHO`," N BELOW.' THIS IS CRITICAL. TO PLANT SUCCESS IN A BIORETENTION SOIL ivIIXES MOISTURE CONTENT RANGE: NO VISIBLE FREE WATER OR DUST PROTCED WHEN HANDLING THE MATERIAL. TESTED IN ACCORDANCE WITH THE U.S. OMPOSTING COUNCIL "TEST METHOD FOR THE EXAMINATION OF CON POST AND COMPOSTING'. (TMECC), AS ESTABLISHED IN THE COMPOSTING COU CIUS "SEAL OF TESTING ASSURANCE:: (STA) PROGRAM. MOST WASHINGTON C MPOST FACILITIES NOW USE THESE TESTS. SCREENED TO THE FOLLOWING SIZE GRADATIONS FOR FINE COMPOST WHEN TESTED IN ACCORDANCE WITH TMECC TEST METHOD 02.02-B. SAMPLE SIEVING FOR AGGREGATE SIZE CLASSIFICATION.": FINE COMPOST SHALL MEET THE FOLLOWING GRADATION BY DRY WEIGHT MINIMUM PERCENT PASSING 2 100% MINIMUM PERCENT PASSING 11': 99% MINIMUM PERCENT PASSING 5/8": 90% MINIMUM PERCENT PASSING /4': 75% PH BETWEEN 6.0 AND 8 5 (TMECC 04.11-A�. "PHYSICAL CONTAMINANTS" (AS DEFINED IN WAC 173 350 100) CONTENT LESS THAT , ,o BY WEIGHT , , 3 `TMEr-C 03.08-A) TOTAL, NOT TO EXCEED 0.25 PERCENT FILM PLASTIC BY DRY WEIGHT o CC MINIMUM ORGANIC MATTER CONTENT OF 401a (TME:.,t, 05.07/=+...LOSS ON IGNITION) SOLUBLE SALT CONTENT LESS THAN 4.0 (.S/M (MMI--S1CM) (TMECC 04.10-A ":ELECTRICAL CONDUCTIVITY. 1.5 SLURRY METHOD MASS BASIS") MATURITY INDICATORS FROM A CUCUMBNER. BIOASSAY :TMECC 05.05-A ::SEEDLING EMERGENCE AND RELATIVE CmRO1WTH MUST BE (GREATER THAN 80%FOR BOTH EMERGENCE AND VIGOR": STABILITY OF 7 MG CO2-C/G OM/DAY OR �ELO\,`V ,_TMECC 05.08-3 "CARBON DIOXIDE EVOLUTION RATE'") CARBON TO NITROGEN RATIO (TMECC 05 .,2�, 4 C,-BCN TO NITROGEN RATIO:, WHICH USES O4.01 "ORGANIC CARBON ,=}.ND 1`4 ,�2E, TOTAL NITROGEN BY OXIDATION'I% OF LESS T HAN 25.1. THE I-- N1 RAT,v IvIAV BE UPTO O 35:1 FOR PLANTINGS COMPOSED ENTIRELY OF PUIET SOUND LOWLAND NATIVE SPECIES AND UP TO 40:1 FOR COARSE COMPOST Td BE USED AS A SURFACE MULCH (NOT IN A SOIL MIX), 1. ALL STORM DRAINAGE IMPROVEMEINTS SHALL BE CONSTRUCTED IN ACCORDANCE WITH THESE APPROVED PI-ANS AND CITY STANDARDS AND SPECIFICATIONS. ANY DEVIATION FROM THESE PLANS WILL REQUIRE PRIOR APPROVAL FROM THE OWNER, THE CITY !_NGINEER, ?-ND 0 ?-HER APPROPRIATE PUBLIC AGENCIES. I 2. ALL PIPE MATERIALS SHALL MEET THE REQUIREMENTS OF THE CITY STANDARDS AND SPECIFICATIONS. ACCEPTABLE STORM DRAINAGE PIPE MATERIALS INCLUDE CONCRETE; PVC, HDPE. AND DUCTILE IRON CORRUGATED METAL PIPES (GALVANIZED ALUMINUM OR STEEL; ARF !NOT ACCEPTED BYTHE CITY. ALL PIPE JOINTS MUST HAVE GASKETS AND SHALL, BE /VATER T'G I :: ESS OTHERWISE DIRECTED BY THE CITY 3. PIPE BEDDING MATERIAL SHALL BE6./8-INCH MINUS C�:;)SHED GRAVEL FOR ALL PIPE TYPES, EXCEPT DUCTILE IRON. BED ING ^vIA-TERIf,,- FGF, DUCTILE IRON PIPE SHALL MEET THE REQUIREMENTS OF THa. CI :. S STAND4 vS AND SPECIFICATIONS (CHAPTER 4). 4 ALL TRENCH BACKFILL IN AREAS O PAVEMENT OR STRUCTURAL LOADING SHALL BE COMPACTED TO AT LEAST 95% OF THE MAXI`.'U',' DRY DENSITY. ALL OTHER AREAS SHALL BE COMPACTED TO AT EAST 90% OF P,,1.AXT.AUM DRY DENSITY, 5. ALL PIPE SHALL BE PLACED ON STABLE EARTH, 8�:� THE OPINION OF THE CITY INSPECTOR., THE EXISTING TRENCH FOUNDATION IS Ur4iS--IS FACTORY, THEN IT SHALL BE EXCAVATED BELOW GRADE A.ND BACKF!LLED ")%ITH GRAVEL BEDDING MATERIAL TO SUPPORT THE PIPE. 6, LOT DRAINAGE SYSTEMS, STUB-CU""S AND ANY GRAINS BEHIND THE SIDEWALK MUST BE INSTALLED AS REQUIRED, PRICP' TJ SIDEWALK CONSTRUCTION. STUB -OUTS SHALL BE MARKED WIT'-: A 2"X4" WITS F)=ET VISIBLE ABOVE GRADE AND MARKED "STORM LOCATION AND DEPTH Or- 'HEST ,%STALLATIONS SHALL BE SHOWN ON THE AS-BuIL f PLANS SUBPb'11 rTED TO THEa T 6. ALL CATCH BASINS SHALL BE T\ Pc 1 L;N_'SS OTHERWISE SHOWN ON THE PLANS AND APPROVED BY THE CITYTHE 'US` AND INSTALLATION OF INLETS IS DISCOURAGED. 7. ALL CATCH BASINS WITH A TO INVERT) OR GREATER SHALL BE TYPE 2 CATCH BASINS E`QL11PPE1DI 1;,,, 3/4 INCH DIAMETER SAFETY MANHOLE STEPS °C , . MANHOLE LADDER PER CITY STANDARD DETAILS. 8 ALL GRATES SHALL BE MARKED 0 TFALL TC STREAM - DUMP NO POLLUTANTS". ALL SOLID COVER `-�ALv BE MARKED D. ;,AIN". ALL CATCH BASINS AND MA.NHO! ES SHALL BE EQUIPPED vvY� LOCKING I-R.-',,"ES AND LIDS OR GRATES PER CITY STANDARD DETAILS. 9. ALL GRATES LOCATED IN THEE(_UTT R FLOVv L „: NLET AND CATCH BASIN) SHALL BE DEPRESSED 0.1 FOOi AVEMEN 10. THE CONTRACTOR SHALT_ EE -SP NSIBLE ; Cx'F -3.;USTING ALL MANHOLE, INLET AND CATCH BASIN FRAMES r, Nv 3F'$,ATES/CC,/ � S GRADE JUST PRIOR TO CURB ;NSTALLATION AND/PAVING. RETENTION. DETENTION > I TES SHALL vE NSTALLED AND IN ALL RE OPERATION PRIOR TO OR IN CON ,'N `I N WITH..-LL 6 , _,NSTRUCTION ACTIVITY, UNLESS OTHERWISE APPROVED S`: THE ITY. DETENTION/RETENTION PONDS ; v,T SIDE SLOP STEEPER THAN 3:1 OR WITH k'A.XiMUM WATER DEPTH GREr,-E=.: TIT; N 3 FEET S ;_w_ BE ENCLOSED WITH A `;N'YL COATED CHAIN LINK FENCE 2 B+O-FILTRATION SWALES A.N r I= TER STRIPS'- -Ai- BE CONSTRUCTED, BEDDEDOR SEEDED AND IN OPEF,�,-, ,-)N RlOR TO ,S S DDDED IN CONJUNCTION UvITH ,"SPHALT PA'ANG. THE VEG--7_: III IN THE B?Cs u,L MUST BE WELL ESTABLISHED BEFORE PAVING BED N:S ": STORM WATER RETENTION 'DETtNTON FAG) `T �" TORM DRAINAGE PIPE AND B.;SINS SHALL BE FLUSHED ": _- CEANED ~ E DEVELOPER PRIOR TO THE C;TY S .AG 'EPTANCE CF THE PRO ' ^' WHEN INFILTRr.TION FACIL T" S R CONSTRI TED COMPACTION OF SOIL IS NOT ALLO'VVED, AS THE DESIGN IS E,46cu ON NAT! R-,L SOIL IN THE ORIGINAL `JC.u.'" ,ON VEHICLES SHALL NOT '-IVIEN OVER NFIL�RATION AREA DURING `- NSTR.UCTION. 5 IF THE CONTRA=C TOR ENCOUN.-EFS ti BOUND'S' TES' OR SOIL CONDITIONS vIFFERENT FROM T ? SHOWN IN T'HE = ,; ^ S DURIiN,S ;'«�IITRATIQN SYSTEM iNSTALLA.TION, THE CONTRACTOR S".-`.LL NOTIFY THE .DI `r ''NSPECTOR. THE CAVFS DESIGN INCORPORATES • 'r1 E MATERIAL IN r♦ # THE NATIVE SOILS PER THE CRITERIA IN BMP T5.13: POST -CONSTRUCTION SOIL QUALITY AND DEPTH (P.91 9 FOR rAREAS. r ; HOWEVER, r AS NOTED BELOW, O H COMPOST BIOSOLIDS,SHALL NOT CONTAIN HEALTHY SOIL ENVIRONMENT FOR A LUSH GROWTH OF TURF. SOIL/COMPOST • PRESUMPTIVE -.. APPROACH: A. PLACE AND ROTOTILL 1.75 INCHESOF COMPOSTED MATERIAL INTO 6.25 INCHES OF SOIL (A TOTAL AMENDED DEPTH OF ABOUT 9.5 INCHES), FOR A SETTLED DEPTH OF 8 INCHES, WATER OR ROLL TO COMPACT SOIL TO 'MAXIMUM.PLANT A • CUSTOM APPROACH:PLACE AND ROTOTILL THE CALCULATED AMOUNT OF COMPOSTED A RI INTO A DEPTH OF ! • r TO ACHIEVE INCHES OF SETTLED SOIL AT 5% ORGANIC CON -TENT. WATER OR ROLL TO COMPACT SOIL TO 85% MAXIMUM. PLANT GRASS. THE AMOUNT OR COMPOST OR OTHER SOIL AMENDMENTS USED VARIES BY SOIL TYPE AND ORGANIC MATTER CONTENT. IF THERE IS A GOOD POSSIBILITY THAT SITE CONDITIONS MAY ALREADY CONTAIN A RELATIVELY HIGH ORGANIC CONTENT, THEN IT MAY BE POSSIBLE TO MODIFY THE PRE -APPROVED RATE DESCRIBED ABOVE AND STILL BE ABLE TO ACHIEVE THE 5% ORGANIC CONTENTA. FINALi COMPOST D #IL) SHOULD HAVE INITIAL SATURATED HYDRAULIC CONDUCTIVITY LESS THAN 12 INCHES PER + • A MINIMUM LONG-TERMHYDRAULIC CONDUCTIVITY OR 1 0 w ASTM DESIGNATION•(STANDARD TEST METHODFOR PERMEABILITY OF GRANULAR SOILS) AT 85% COMPACTION PER ASTM DESIGNATION D 1557 (STANDARD TEST METHOD FOR LABORATORY COMPACTION CHARACTERISTICS OF SOIL USING MODIFIED EFFORT. INFILTRATION RATE AND HYDRAULIC CONDUCTIVITY ARE ASSUMED TO BE APPROXIMATELY THE SAME IN A UNIFORM MIX SOIL, NOTE: LONGTERM SATURATED HYDRAULIC CONDUCTIVITY DETERMINED B. APPLYING THE APPROPRIATE INFILTRATION CORRECTION FACTORS AS EXPLAINED UNDER "DETERMINING BIORETENTION SOIL MIX INFILTRATION RATE" UNDER BMP T7.30: BIORETENTION CELLS, SWALES, AND PLANTER BOXES(P.959). • THE FINAL SOIL MIXTURE SHOULD HAVE A MINIMUM ORGANIC CONTENT OF 5% BY DRY WEIGH TPER ASTM DESIGNATION D 2974 (STANDARD TEST METHOD FOR MOISTURE, AND ORGANIC MATTER is PEAT AND O■r ORGANIC SOILS) A 2004). • ACHIEVING THE ABOVE RECOMMENDATIONS WILL DEPEND ON THE SPECIFIC SOIL AND COM-POST CHARACTERISTICS. IN GENERAL, THE RECOMMENDATION CAN BE ACHIEVED WITH 60% T065% LOAMY SAND MIXED WITH 25% TO 30% COMPOST OR 0; SANDY LOAM, 0 COARSE SAND, AND COMPOST. • THE FINAL SOIL MIXTURE SHOULD BE TESTED PRIOR TO INSTALLATION FOR FERTILITY, MICRONUTRIENT ANALYSIS, AND ORGAN'C MATERIAL CONTENT. • CLAY CONTENT FOR THE FINAL SOIL MIX SHOULD BE LESS THAN 5%, • COMPOST MUST NOT CONTAIN BIOSOLIDS, MANURE, ANY STREET OR HIGHWAY SWEEPINGS, OR ANY CATCH BASIN SOLIDS. • THE PH FOR THE SOIL MIX SHOULD BE BETWEEN 5.5 AND 7.0 (STENN, 2003). IF THE PH FALLS OUTSIDE THE ACCEPTABLE RANGE, IT MAY BE MODIFIED WITH LIME TO INCREASE THE PH OR IRON SULFATE PLUS SULFUR TO LOWER THE PH. THE LIME OR IRON SULFATE MUST BE MIXED UNIFORMLY INTO THE SOIL PRIOR TO USE IN LID AREAS (LOW -IMPACT DEVELOPMENT CENTER,2004). • THE SOIL MIX SHOULD BE UNIFORM AND FREE OF STONES, STUMPS, ROOTS, OR OTHER SIMILAR MATERIAL LARGER THAN 2 INCHES. • WHEN PLACING TOPSOIL, IT IS IMPORTANT THAT THE FIRST LIFT OF TOPSOIL IS MIXED INTO THE TOP OF THE EXISTING SOIL. THIS ALLOWS THE ROOTS TO PENETRATE THE UNDERLYING SOIL EASIER AND HELPS PREVENT THE FORMATION OF A SLIP PLANE BETWEEN THE TWO SOIL LAYERS, SOIL COMPONENT: THE TEXTURE FOR THE SOIL COMPONENT OF THE LID BMP SOIL MIX SHOULD BE LOAMY SAND (USDA SOIL TEXTURAL CLASSIFICATION). COMPOST COMPONENT: FOLLOW THE SPECIFICATIONS FOR COMPOST IN BMP T7.30: BIORETENTION CELLS, SWALES, AND PLANTER BOXES (P.959) CONSTRUCTION DRAWING APPROVAL IS PLAN SHEET HAS BEEN REVIEWED AND APPROVED PER THE CON ITIONS ON THE TITLE SHEET. DEVELOPMENTS RVICES MANAGER A TE_ THIS 4PPROVAL VALID FOR 18 MONTHS cc ♦ Uj LU cc • LLJ r'. • W 0 ♦. i" ♦ r f: A. 05/22/23 !` > 23-049 t�1 Know what's below. Call before you dig. 'J!V�UBL�SH9D V'JOPY.• GF''%RK;i IT �'2C.!'3 BY IWRNISEN 6 ASSOCIATES INC