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HomeMy WebLinkAboutTED4003775.13A PORTION OF THE NW 1/4 OF THE NW 1/4 OF SECTION 15, TWP. 23 N., RGE. 5 E., W.M., KING COUNTY, WA Z 9 m M Q z J Li JOI NM IN FILTER FMRIC SHALL W SPLICED AT POSTS. USE STAR ES, VARE RIN08, OR EOURVALENT TO ATTACH FABRIC TO POSTS. 9' MIAX Li POST SPACING Nli BE INCREASED TO 8' IF WIRE BAC10Ne IS USED 2',Q* BY 14 Ga. WIRE OR EgI1NALENT, IF STANOAM STRENGTH FABRIC USED FILTER FABRIC MIINM)N 47M' TFW4CII 7'v BACKPILL TRENCH WITH NATIVESDIL ' 2-x4- WOOD POSTE, STEEL FENCE POSTS, WSW OR FUNALENT NOTp 1, CONDITION OF USE 1.1, SILT FENCE MAY BE USED DOWNSLOPE OF ALL DISTURBED AREAS. 1.2. SILT FENCE 18 NOT INTENDED TO TREAT CONCENTRATED FLOWS, NOR 18 INTENDED TO TREAT SUBSTANTIAL AMOUNTS OF OVERLAND FLOW. ANY CONCENTRATED FLOW MOST BE CONVEYED T11ROk" THE DRAINAGE SYSTEM TO A SEDIMENT TRAP OR POND. 2 DESIGN AND INSTALLATION SPEOFICATION8 Z1. THE GEOTEXTILE USED MOST MET THE STANDARD LISTED BELLOW. A COPY OF THE MANUFACTURER'S FABRIC SPECIFICATIONS MOST BE AVAILABLE ON SITE. 3Tt132. sir sla [ 3.60-:1 L,6TA1 rOR su FIII A0SiASTWD4'51'' y}I!..SIT v'r SGr[I-Y1- 1 Mr.PAI rOR CTI IrP'AARI"S Y:AILIt FLPhrIIIIVII'i .4SIN1 G7'J' L%j25Lc_'-1L1IHIPJL1d 110I.B.MN, FOR C■TP.ASTRCNCH r_,mc :il tr.0 lLNSILL SII'iN:211 �,SSIrJ LtiHi:}21 LX!LL'S. haN. I Vlt IANU.J'L' s l 1'iH:il I I AL'N:: GR,",C TCNSIIE OONC.TICN iASTIA D46 ' 3-1 WAX. ULI R4'OIVLAI E RISE I ANCLi Irvl LIII -.o%WIN. Z2. STANDARD STRENGTH FABRIC REQUIRES WIRE BACKING TO INCREASE THE STRENGTH OF THE FENCE. WIRE BACKING OR CLOSER POST SPACING MAY BE RECUIRED FOR EXTRA STRENGTH FABRIC IF FIELD PERFORMANCE WARRANTS A STRONGER FENCE_ 23. WHERE THE FENCE IS INSTALLED, THE SLOPE SHALL NOT BE STEEPER THAN 2HAV Z4. IF A TYPICAL SILT FENCE IS USED, THE STANDARD 4X4 TRENCH MAY NOT BE REDUCED AS LONG AS THE BOTTOM 6 INCHES OF THE SILT FENCE IS WELL BURIED AND SECURE IN A TRENCH THAT STABILIZE$ THE FENCE AND DOFS NOT ALLOW WATER TO BYPASS OR UNDERMINE THE SILT FENCE. OL MAINTEMANCIP STANDARDS 3.1. ANY DAMAGE SHALL BE REPAIR RAMEDIATELY. 3 2_ IF CONCENTRATED FLOES ARE EVIDENT UPAILL. OD THE FENCE, THEY MUST BE INTERCEPTED MID CONVEYED TO A SEDMWENT TRAP OR POND - 3.3. IT IS MPOWANT TO CHECK THE UPHILL SIDE OF THE FENCE FOR SIGNS OF THE FENCE CLOGGING AND ACTING AS A BARRIER TO FLOW AND THEN CAUSING C7HANNEUZATION OF FLOM PARALLEL TO THE FENCE. IF THIS OCCURS, REPLACE THE FENCE OR REMOVED THE TRAP SEDMIENT. 3-4. SEDIMENT MOST BE REMOVED WHEN SEDIMENT IS B INCHES HI31-I. &S. IF THE FILTER FABRIC (GEOTEXTI E) HAS DETERIORATED DUE TO ULTRAVIOLET BREAKDOWN, IT SHALL BE REPLACED. ruHIJ(" 6'0HI-,S SILT FENCE STD. PLAN - 214.00 DEF:1RrMENT 8 M.1AHCH 2OU-4 DnMEW AYS SHALL BE PAVED TO THE EDGE OF FBI PRIOR TO INSTALLATION OF THE CONSTRUCTION ENTRANCE TO AVOID DAMAGING OF THE ROADWAY IT IS REOOMMENOEG THAT TIC - " - ENTRANCE BE OROW NED490 T}iAT R=28'MN. RUNOFF OFTAINS OFF THE PAD i` INSTALL DRIWEWAY CULYERT IF THEM ISA ROADSIDE DITCH PRC$NT. AS PW CITY ROAD STANDNIQ9 ,. 4"-0" QUARRY SPALLS GBOTEXRE a 12 MI1. rHIQ(N68B -- ---- ,.,,> .._J-_� PROVIOEFLLLiNDTI- OF Nor= ------ INIGREWAGRI SSAREA 1. CONDITION OF USE 1.1. CONSTRUCTION ENTRANCE SHALL BE STABILIZED WHEREVER TRAFFIC WILL BE LEAVING A CONSTRUCTION SITE AND TRAVELING ON PAVED ROADS OR OTHER PAVED AREAS WITHIN 1,0M FEET OF THE SITE. 6RAn TrN YI rST7-fl TII(ASTV Y17;1' 10/: PS I'Al N. GRAB TEN SILEELONGdTIONASTNIni 30%WX. 'dill "\ n0RST5TRFN47T I 'ASTL1 01711111 40C. PSI VIN. AOS(ASTM1.1 1>475_) 20-45 U.S. STAND.: ID SI _'JE S ZC 2. MUG14 AND MTALLJATION 8MGWICATIO" 2.1. HOG FUEL (WOOD BASED MULCH) MAY BE SUBSTITUTED FOR OR COMBINED WITH QUARRY SPALLS IN ARES THAT WILL BOT BE USED FOR PERMANENT ROADS. HOG FUEL IS NOT RECOMMENDED FOR ENTRANCE STABILIZATION IN URBAN AREAS. THE INSPECTOR MAY AT ANY TIME REQUIRE THE USE OF QUARRY SPALLS IF THE HOG FUEL IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ON70 PAVEMENT OR IF THE HOG FUEL IS BEING CARRIED ONTO PAVEMENT_ 2.2. FENCING SHALL BE INSTALLED AS NECESSARY TO RESTRICT TRAFFIC TO THE CONSTRUCTION ENTRANCE. 2.3, WHENEVER POSSIBLE. THE ENTRANCE SHALL BE CONSTRUCTED ON A FIRM, COMPACTED SUBGRADE. THIS CAN SUBSTANTIALLY INCREASE THE EFFECTIVENESS OF THE PAD AND REDUCE THE NEED FOR MAINTENANCE. 3. MAINTOIIANCE STANDARDS 3.1. QUARRY SPALLS SHALL BE ADDED IF THE PAD IS NO LONGER IN ACCORDANCE WITH THE $PECIFICATgNs. 3.2. IF THE ENTRANCE IS NOT PREVENTING SEDIMENT BEING TRACKED ONTO PAVEMENT, THEN ALTERNATIVE MEASURES TO KEEP THE STREETS FREE OF SEDIMENT SHALL BE USED. THIS MAY INCLUDE STREET SWEEPING, AN INCREASE IN THE L46ENISPONS OF THE ENTRANCE, OR THE INSTALLATION OF THE WHEEL WASH. IF WASHING IS USED, IT SHALL BE DONE ON AN AREA COVERS WRH CRUSHED ROCK, AND WASHED WATER SHALL DRAIN TO A SEGMENT TRAP OR POND. 3.3. ANY SEDIMENT THAT IS TRACKED ONTO PAVEMENT SHALL BE REMOVED IMMEDIATELY BY SWEEPING. THE SEDIMENT COLLECTED BY SWEEPING SHALL BE REK40VED OR STABILIZED ON BITE. THE PAVEMENT MALL NOT BE CLEANED BY WASHING DOWN THE STREET, EXCEPT WHEN SWEEPING IS INEFFECTIVE AND THERE 15 A THREAT TO PUBLIC SAFETY. IF IT NECESSARY TO WASH THE STREETS, A SMALL SUMP MUST BE CONDUCTED. TFE SEDIMENT WIOULD THEN BE WASHED INT ID THE SUMP WHERE IT CAN BE CONTROLLED AND DISCHARGED APPROPRIATELY. 3.4. ANY QUARRY SPALLS THAT ARE LOOSENED FROM THE PAD AND END UP ON THE ROADWAY SHALL BE REMOVED IMMEDIATELY. 3.5. IF VEHICLES ARE ENTERING OR EXITING THE SITES AT PANTS OTHER THAN THE CONSTRUC11014 ENTRANCEIS)" FENCING SHALL BE INSTALLED TO CONTROL TRAFRC- 81JuSTD. PIAN - 215.10 t�L<c v';{.}HltS STAdIL12ED DE FAR'- AENT CONSTRUCTION ENTRANCE MARCH 005 _- ROCK MUST COMPLETELY COVER THE _ -- - - BOTTOM AND SIDESOF THE DITCH i r s' MIN, ? f If `� ---- - '•� - -'-c' i 2:1 SLOPES S 5 ,. i 1 �4" ROCK _ L = THE DISTANCE SUCH THAT POINTS r J �.� . `%" . A AND S ARE OF EQUAL ELEVATION I +•�N.....A B A -- III= 1- I: I 2V MIN. NOTES 1. CONDITION OF UW I -I . WERE CONCENTRATED RUNOFF FROM DISTUBIED AREAS TO AND FROM PONDS OR TRAPS. 1.2. TO CONVEY RUNOFF INTERCEPTED FROM UNDISTURBED AREAS AROUND THE SITE TO NON -EROSIVE DISCHARGE POINT. 2. NAM704ANCE STANDARDS 7.1. ANY SEDIMENT DEPOSITION OF MORE THAN 0.5 FEET SHALL BE REMOVED SO THAT THE CHANNEL 1$ RESTORED TO IT$ ORIGINAL DESIGN CAPACITY. 22. THE CHECK DAMS SHALL BE EXAMINED FOR SIGNS OF SCOURING AND EROSION OF THE BED AND BANKS. IF SCOURING AND EROSION HAS OCCURRED. AFFECTED AREAS SHALL BE PROTECTED BY RIPRAP OR AN EROSION CONTROL BLANKET. IJJBI IC t'.(}Rks CHECK DAMS SPACING AND DEPc R-MENT GROSS SECTIONS STD. PLAN - 217.40 M9A14:I 1 4!004 y' MAx. DRAINAGE GRATE .- TRMI CRATE FRAME - A* SEDIMENT AND DEBRIS - -,�'`t -OVERFLOW BYPASS j P BELOW IN LET GRATEDEWCE FILTERED WATER SECTION VIEW DRAINAGE GRATE - RECTANGULAR GRATE SHOWN RETRIEVAL SYSTEM rTYP) BFLOW INLET ORATE DEVICE %. r ,'. OVERFLOWY BYPASS ITYP.j Is '111IC lMIN NQ'ru 1. Sbe the Below k" Orate Device (RK30) Ibr the dorm waW sttRlClure Swill serNCa. 2. The BIGD shall have a bulk -in high -Saw relief syedrr (owrNow, bypeel} 3. The rtN ovW symm must allow rmnoYN of the BIGD TAMrost WNIRV the c llelaW material. 4. Perform mairdenence in accordance wilh Smnilard SpadNcafian 8.01.3(1b). iJUBLI.0 4'10HRS CATCH BASIN FILTER STD' PLAN - 216.30 MARCH 2009 C MIN - I 1'OVERFLOW DEPTH 1' DEPTH 2'- C ROCK I -', OUTFLOW CHANNEL IF ----- /- CONSTRUCTEDBY , u j I EXCAVATION. 2 SETTLING DEPTH ]�-- 1 5AX F TI 1 1 -_.. (_ I 15. 5 SEDIMENTRAG STOE - 1 / 11 - • - FILTER FABRIC FENc.141; - 1' DEPTH 3/4' - 1-1l2' WASHED GRAVEL J CROSS SECTION NITS 1.5SEDIMENT STORAGE T SETTING DEPTH A 1' DEPTH OF 2'4' ROCK, V DEPTH OF 314'-1r1- WASHED GRAVEL. NOTE: MAY BE CONSTRUCTED BY EXCAVATION OR BY BUILDING A BERM Y °� STD. PLAN - 211.00 PUBLIC WORKS SEDIMENT TRAP DEPARTMENT --- 'f� TOt� MARCH �.008 2:1 MAX. SLOPE LEVEL BOTTOM 1� OI O I- _I-1 I_ ' il- _i =1 t�4 2' MN. SCALE SPADING DEPENDS ON SLOPE GRADIENT NOTES 1. CONDITION OF USE 1.1. REQUIRED AT' 1.1.1. THE TOP OF ALL SLOPES IN EXCESS OF 3H:1 V AND WTTH MORE THIN 20 FEET OF VERTICAL RELIEF. 1.1.2. AT INTERVALS ON ANY SLOPES THAT EXCEEDS THE DIMENSIONS SPECIFIED BELLOW. AVERAGESLOPE SLOPEPIERCENT FLOWPATHLENGTH 20-I1.1V 3-5'i 300 FELT 10T0 2011-1:1V , 1011% 2OU FLLT ,4 TO 1110tIV 10-29A 1OU FLIT 2TO 41H:1V 25 5M YJ FEET 2. DESIGN AND INSTALLATNIIIN SPM19CATIONS 2.1. FOR SLOPES STEEPER THAN 2HAV WITH MORE THAN 10 FEET OF VERTICAL RELIEF, BENCHES MAY BE CONSTRUCTED OR CLOSER SPACED INTERCEPTOR SWALES MAY BE USED. THE DESIRE MEASURE MOST BE DESIG ED BY AN ENGINEER TO EFFECTIVELY INTERCEPT THE HIGH VELOCITY RUNOFF TO A SEDIMENT POND OR TRAP. 22. CONSTRUCTION TRAFFIC OVER TEMPORARY SWALES SHALL BE MINIMIZED 3. MAINTENANCE 3TANDARD3 3.1. DAMAGE RESULTING FROM RUNOFF OR OONSTRUCTION ACTIVITY SHALL BE REPAIRED IMMEDIATELY. 3.2. IF THE FACILITY DO NOT REGULARLY RETAIN STORM RUNOFF, THE CAPACITY AND/OR FREQUENCY OF THE SWALES SHALL BE INCREASED. e 11uI3LIc I'VOHKS INTERCEI I R SWALE STD. PLAN - 21'i.i0 DEYAR'__ ENT MARCH 2009 48" l \ This pond is in our care. Stormwater RunoN is held are her storms. it is released slowly or stored until the next storm when it is POhd replaced by incoming Flows. This helps prevent downstream flooding and erosion and helps clean the water. For more information or to report 24e 13 i„ littering, vandalism or other problems, - I♦ __- call the City of Mon, Public Works Department, 2'4 - �- Maintenance Division at 425 430-7400. (�- ..__ 25.4" Public Works Departntenr 6.2" Surface Water Utility ' Pond Name and Number SPECIFICATIONS: Size: 48 inches by 24 inches Material: 0.125-gauge aluminum Face: Non -reflective vinyl or 3 coats outdoor enamel (sprayed). Lettering: Silk screen enamel where possible, or vinyl letters. Colors: Beige background, teal letters. Type face: Helvetica condensed. Title: 3 inch; Sub -Title: 1 21 - inch; Text: 1 inch; Outer border: a inch border distance from edge: 1 - inch; all text 1 a - inch from border. Posts: Pressure treated, beveled tops, 2 - inch higher than sign Installation: Secure to chain link fence if available. Otherwise install two 4"x4" posts, pressure treated, mounted atop a gravel bed, installed in 30-inch concrete filled post holes (8-inch minimum diameter), with the top sign no higher than 42 inches from ground surface. Placement: Face sign in direction of primary visual or physical access. Do not block any access road. Do not place within 6 feet of structural facilities (e.g. manholes, spillways, pipe inlets). Note: If the facility has a liner to restrict infiltration of stormwater, the following note must be added to the face of the sign: 'This facility is lined to protect goundwater quality. " In addition, specific information about the liner must be added to the back of the sign as specified in Section 6.2.4. PUBLIC WORKS PERMANET SURFACE WATER STD. PLAN - NX DEPARTMENT CONTROL POND SIGN FEBRUARY 2010 R=3775 13 CHECKED FOR COMPLY CE TO CITY STANDARDS r� a~ •. 7/11`1 SURVEYED: SCALE DATE: 0 FRS SUBMW Iu ESM CONSULTING ENGINE E R S L L C VERTICAL: NAVE)198E , 33400 8th Avenue South I® I I I •• �• HORIZONTAL: NAD 1983/1991 ,► C I T v O C W H I T M A N COURT 7 2�O �20� �M� �y 1�L� N / ♦ I I I h1� i � 1 JGMIIIL/ JVOINIII� � � 1 DESIGNED: "'� �� EIELDBOOK: Suite 205 - il' ��yy• /y Federal Way, WA 98003 • 2 71'IIRD S( A L ESI 10/2!/1 L� �'r�\\ I't�\\ Cal 2 WK A. Days EMKA a You Dig �T WAY (�) 29997-99W : 0 E 1 `l T 0 I `) PAGE: www.esmcivil.com °�^�" GRADING & T.E.S.C. DETAILS & NOTES ELLwSBURc (sos) see-2eoe FN 3 IFNAL �a/alwT TK e.7w 11 atv/1 ��R DRAWING N0: 811 Civil Engineering Land Surveying Land Planning 40111 ONE INCH DATUM '� 11y{��A;�� ' r`J- A;.�. Public Works ( Project Management ( Landscape Architecture ••• GIN Q MYLAR SUBMITrN" Caw 12/01 /1 CHECKED: AT FULL SCALE Planning /Building /Public Works Dept. PERMIT �# IJ14003820 G R - 0 5 VIIILIw Ur4wgrand Location O en er ••W /S� c•_•.ri� IF NOT ONE INCH �pW -v� •••••• 4`P APPROVED: SCALE ACCORDINGLY ([),MT,N�,0R, wA) ESM JOB #1799-001-01 3 ONAL fit REVISION BY DATE APPR SHEET: 13 OF:40 N n n I O I 0 0 0 A I C ccn R � . S z z i -0 i !m 'z m Cn A W c CD Z o La o � I � Ul M C