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HomeMy WebLinkAbout05D18011� 5 . T Ti ;1 f 1 131' Radio I I /� ! • Tower 118 ,... PROJECT a LOCATION 2 SI AUBURN CITi;j OR � � ■ a �IFAIA gorA 0 sib. s� NM PROPERTY ST SWBPAUBURN 8TH NW 1/4, NE 1/4, SEC. 24, T. 21 N, R. 4E) W.M. LIST OF DRAWINGS UBURN LACK st Green FiwE DIAMON ono Par>< C 1.0 - COVER SHEET RM I,( ML'CKLES PT', AUBURN C2.0 - TEMPORARY EROSION/SEDIMENTATION CONTROL PLAN & NOTES J " Ra io To ers _ C2.1 - TEMPORARY EROSION/SEDIMENTATION CONTROL DETAILS I z of C3.0 - GRADING & STORM DRAINAGE PLAN & NOTES I I C3.1 - GRADING & STORM DRAINAGE DETAILS & SECTIONS ABBREVIATIONS KEY: � B WT k 1N ■, ( li y --_ O A/C - ASPHALTIC CONCRETE EOP EDGE OF PAVEMENT MILES BLDG - BUILDING ESMT - EASEMENT BM - BENCH MARK EX - EXISTING 5 o BTM - BOTTOM FA - FIELD ADJUST FEET CB - CATCH BASIN FF - FINISH FLOOR loon 0 1000 soon 3000 400o soon eo0o 7000 e000 9000 1000o CI -CAST IRON FH -FIRE HYDRANT CL - CENTER LINE FM - FORCEMAIN VICINITY MAP & HAUL ROUTE COP - CORRUGATED METAL PIPE FS - FACTOR OF SAFETY CO - CLEAN OUT FT - FEET CONC - CONCRETE G - GAS PIPE CP - CONCRETE PIPE GS - GALVANIZED STEEL HAUL ROUTE FROM MEADE PIT: CPEP - CORRUGATED POLYETHYLENE HDPE - HIGH DENSITY • EAST ON AUBURN BLACK DIAMOND ROAD TO HWY 18 PIPE POLYETHYLENE DEMO -DEMOLISH IE -INVERT ELEVATION • WEST ON HWY 18 TO "C" ST. EXIT DI - DUCTILE IRON INV - INVERT • SOUTH ON "C" ST. TO 8TH ST. SW DIP - DUCTILE IRON PIPE LF - LINEAL FEET • WEST ON 8TH ST. SW TO SITE f HAUL ROUTE DIRECTION ARROW DS - DOWNSPOUT MH - MANHOLE DWY - DRIVEWAY MON - MONUMENT EL - ELEVATION - OWNER: LA PIANTA LIMITED PARTNERSHIP EARTHWORK QUANTITIES: ELEC - ELECTRICAL PPRF- POW RRPOLDE D.B.A. SEGALE BUSINESS PARK FILL = 9,940 CY ELEV - ELEVATION PVC - POLYVINYL CHLORIDE P.O. BOX 88028 TUKWILA, WA CUT = 3,940 CY PVMT - PAVEMENT 98138-2028 206-575-2000 IMPERVIOUS / PERVIOUS AREAS: IMPERVIOUS = 0.00 SO FT APPLICANT: SEGALE BUSINESS PARK PERVIOUS = 419,000t SO FT ATTN: MR. GARY MIX P.O. BOX 88028 FLOOD INFORMATION: EX BUILDING TUKWILA, WA 98138-2028 FEDERAL EMERGENCY MANAGEMENT AGENCY ZONE M1 206-574-0342 (FEMA), FLOOD INSURANCE RATE MAP (FIRM) RCP - REINFORCED CONCRETE PIPE REPL - REPLACE RR - RAILROAD S - SEWER S - SLOPE SAN -SANITARY SD - STORM DRAIN SHT - SHEET SO FT - SQUARE FEET SS - SANITARY SEWER SSS - SANITARY SIDE SEWER ST - STREET STA - STATION TEL - TELEPHONE TESC - TEMPORARY EROSION/ SEDIMENTATION CONTROL TYP - TYPICAL UTIL - UTILITY W - WATER WM - WATER METER WS - WATER SERVICE OR WATER SURFACE WV - WATER VALVE MAP NU. 53033C1261 F PANEL 1261 OF 1725, II �-. -. -. �• 1. 1� �r rrr �r 11 /' f ENGINEER: LAYTON &SELL INC. P.S. DATED MAY 16, 1995. THE SUBJECT PROPERTY ' IS IN ZONE X'WHICH IS DETERMINED TO BE o ATTN. JOHN D. SELL, P.E. OUTSIDE THE 500-YR FLOOD PLAIN. -- ~~�--I "�--------____ _. I JEANETTE A. STEPHENSON, P.E. - _���4 15600 REDMOND WAY, STE 302 `, = r I EX 16' ACCESS d _ ._�. EX SS ti _ _ = x REDMOND, WA 98052 c� + - EASEMENT 9 ` 15" So ,N88'28' 17 425-881-8151 Ilr' -•a.4 - - .a ..�-_ -. �x �� M1 __._ N01'40'56"E w _ + `' 50 ~ " " PROJECT ADDRESS: NO. TO BE ASSIGNED 46.26 z 8TH STREET SW, WEST OF "C" ST. SW z 15 CB2 CB3 C84 AUBURN, WA 98001 :3 41 BENCHMARK: :I � FUTURE TRACT FOR STORMWATER PROPERTY ZONE: M2 CITY OF AUBURN SURVEY BENCHMARK NO. 14-U DETENTION FACILITY RAILROAD SPIKE IN TELEGRAPH POLE AT THE D = 16 I TAX LOT NO.: 242104-9054 EAST SIDE OF "C" ST SW AT 8TH ST SW R = 358.10 PROPOSED DETENTION/WATER ELEVATION = 86.67 FEET. 0 = 28'47'5,7" " QUALITY POND LEGAL DESCRIPTION: L = 180.00 w. t2 so PROJECT SITE VERTICAL DATUM: PARCEL A CITY OF AUBURN THAT PORTION OF THE NORTH 1/2 OF THE NORTHEAST 1/4 OF SECTION 24, TOWNSHIP 21 NORTH, RANGE 4 EAST, W.M., DESCRIBED AS FOLLOWS: BEGINNING ON THE NORTH LINE OF SAID SUBDIVISION AT A POINT 100.00 FEET EAST OF THE NORTH 1/4 CORNER OF SAID SECTION; THENCE EAST ALONG SAID NORTH LINE 1569.73 FEET, MORE OR LESS, TO THE WEST LINE OF A STRIP OF LAND DEEDED TO KING COUNTY FOR ROAD BY DEED RECORDED UNDER RECORDING NO. 811998; THENCE SOUTH ALONG SAID WEST LINE TO THE SOUTH LINE OF THE NORTH 16.00 FEET IN WIDTH OF SAID SUBDIVISION; THENCE WEST ALONG SAID SOUTH LINE TO A LINE EXTENDING SOUTHERLY AT RIGHT ANGLES TO THE NORTH LINE OF SAID SUBDIVISION, THROUGH A POINT ON THE NORTH LINE OF THE SUBDIVISION DISTANT 650.36 FEET EAST OF THE POINT OF BEGINNING; THENCE SOUTH AT RIGHT ANGLES TO THE NORTH LINE OF SAID SUBDIVISION AND ALONG THE WEST LINE OF A TRACT OF LAND DEEDED TO K.C. ARDELL BY DEED RECORDED UNDER RECORDING NO 4210129, A DISTANCE OF 543.43 FEET, MORE OR LESS, TO THE CENTERLINE OF AN EASEMENT GRANTED TO THE RECEIVERS OF THE CHICAGO, MILWAUKEE AND ST. PAUL RAILROAD COMPANY AND TO OREGON-WASH INGTON' RAILROAD AND NAVIGATION CO. BY INSTRUMENT RECORDED UNDER RECORDING NO. 2456438; THENCE ON A BEARING OF APPROXIMATELY N53'30'00"W ALONG SAID CENTERLINE TO A POINT OF CURVE; THENCE NORTHWESTERLY ON SAID CENTERLINE, FOLLOWING A CURVE TO THE RIGHT, TO THE EASTERLY LINE OF THE RIGHT-OF-WAY OF THE CHICAGO, MILWAUKEE, AND ST. PAUL RAILROAD COMPANY; THENCE NORTHERLY ALONG SAID EASTERLY LINE TO THE POINT OF BEGINNING. SITUATE IN THE CITY OF AUBURN, COUNTY OF KING, STATE OF WASHINGTON. PARCEL B THAT PART OF A PORTION OF THE NORTHWEST 1/4 OF THE NORTHEAST 1/4 OF SECTION 24, TOWNSHIP 21, NORTH, RANGE 4 EAST., W.M., WHICH IS BOUNDED AND DESCRIBED AS FOLLOWS: BEGINNING ON THE NORTH LINE OF SAID SECTION 24, 100 FEET EAST OF THE 1/4 CORNER COMMON TO SECTIONS 13 AND 24 IN SAID TOWNSHIP AND RANGE; THENCE EAST A DISTANCE OF 650.36 FEET ALONG THE NORTH LINE OF SAID SECTION 24; THENCE SOUTH PERPENDICULAR TO THE NORTH LINE OF SAID SECTION 24 A DISTANCE OF 16 FEET TO A POINT, WHICH POINT IS THE TRUE POINT OF BEGINNING OF THE DESCRIPTION OF THE PROPERTY HEREBY CONVEYED; THENCE SOUTH ON A LINE PERPENDICULAR TO THE NORTH LINE OF SAID SECTION 24 A DISTANCE OF 543.43 FEET, MORE OR LESS, TO THE INTERSECTION OF SAID LINE WITH THE CENTERLINE OF THE EASEMENT GRANTED TO THE RECEIVER OF THE CHICAGO, MILWAUKEE AND ST. PAUL RAILROAD, AND TO OREGON-WASH INGTON RAILROAD AND NAVIGATION CO. BY INSTRUMENT IN WRITING DATED SEPTEMBER 19, 1927, RECORDED APRIL 16, 1928, IN VOL. 1388 OF DEEDS, PAGE 440, RECORDS OF KING COUNTY; THENCE SOUTHEASTERLY APPROXIMATELY S53'30'E ALONG THE CENTERLINE OF SAID EASEMENT AND ALONG THE CENTERLINE OF THE EASEMENT GRANTED TO THE NORTHERN PACIFIC RAILROAD CO., DATED JUNE 21, 1927, (UNRECORDED) AS NOW OCCUPIED FOR INTERCHANGE TRACK ACROSS A PORTION OF THE NORTH 1/2 OF THE NORTHEAST 1/4 OF SAID SECTION 24, A DISTANCE OF 346 FEET, MORE OR LESS, TO THE NORTHWESTERLY CORNER OF THE LAND CONVEYED BY DEED RECORDED UNDER RECORDING NO. 2976249 TO WAYLAND L. SCARFF; THENCE EAST ALONG THE NORTH LINE OF THE LAND CONVEYED TO SAID WAYLAND L. SCARFF, A DISTANCE OF 18.83 FEET, MORE OR LESS, TO THE SOUTHWEST CORNER OF THE LAND CONVEYED BY DEED RECORDED UNDER RECORDING NO. 2975942, TO OLIVER C. ELLIOTT, THENCE NORTH ON A LINE PERPENDICULAR TO THE NORTH LINE OF SAID SECTION 24 A DISTANCE OF 749.27 FEET TO A POINT 16 FEET DUE SOUTH OF THE NORTH LINE OF SAID SECTION 24; THENCE WEST PARALLEL WITH THE NORTH LINE OF SAID SECTION 24 A DISTANCE OF 297 FEET TO THE TRUE POINT OF BEGINNING. SITUATE IN THE CITY OF AUBURN, COUNTY OF KING, STATE �,OFF WASHINGTON. el D• s,I) _ �cX' A. ST�'Ar _ voTONAL �P g EXPIRES: 1 1 /18/00 E Kr, DRAINAGE (REGRADED) \ SWALE PARCEL A ZONE M2 �\ I c 199� 0' 50' 100 150 200' SCALE: 1" = 100' CALL BEFORE YOU DIG IT'S THE LAW 1-800-424-5555 PARCEL B PROPOSED 32' GRAVEL ROAD (BY OTHERS) - N88'28' 17"W 31.74 ZONE C3 8TH STREET SW 1� N EX BUILDING EX TOWER I I N rn 12" SD STUB w M I � fM 0 z EX BUILDING GENERAL NOTES 1. DRAWINGS - THE CONTRACTOR SHALL BE RESPONSIBLE FOR FIELD VERIFICATION AND COORDINATION OF ALL DIMENSIONS AND ELEVATIONS BEFORE PROCEEDING WITH THE WORK. THE CONTRACTOR SHOULD REVIEW THE DRAWINGS PRIOR TO STARTING CONSTRUCTION AND BRING ALL PROBLEMS IMMEDIATELY TO THE ATTENTION OF THE ENGINEER IN ORDER TO AVOID DELAYS. 2. TOPOGRAPHY & SURVEY CONTROL - TOPOGRAPHY, SURVEY CONTROL & EXISTING UTILITIES SHOWN ON THIS DRAWING IS BASED ON VARIOUS SURVEYS, PLANS, MAPS AND FILE INFORMATION PROVIDED BY GARY MIX, PLS OF MAS RESOURCES, INC. 3. WORKMANSHIP & JOB SITE SAFETY - THE CONTRACTOR SHALL CONDUCT ALL WORK IN A SAFE MANNER AS REQUIRED BY ALL APPLICABLE CITY, COUNTY, STATE AND FEDERAL REGULATIONS. THE ENGINEER HAS NOT BEEN RETAINED OR COMPENSATED TO PROVIDE DESIGN AND/OR CONSTRUCTION REVIEW SERVICES RELATED TO THE CONTRACTOR'S SAFETY PRECAUTIONS OR TO MEANS, METHODS, TECHNIQUES, SEQUENCES OR PROCEDURES FOR THE CONTRACTOR TO PERFORM HIS WORK. THE UNDERTAKING OF PERIODIC SITE VISITS BY THE ENGINEER SHALL NOT BE CONSTRUED AS SUPERVISION OF ACTUAL CONSTRUCTION NOR MAKE HIM RESPONSIBLE FOR PROVIDING A SAFE PLACE FOR THE PERFORMANCE OF WORK BY THE CONTRACTOR OR THE CONTRACTOR'S EMPLOYEES OR EMPLOYEES OF SUPPLIERS OR SUBCONTRACTORS, OR FOR ACCESS, VISITS, USE, WORK, TRAVEL, OR OCCUPANCY BY ANY PERSON. 4. PERMITS - IT SHALL BE THE RESPONSIBILITY OF THE OWNER TO OBTAIN ANY REQUIRED PERMITS PRIOR TO ANY CONSTRUCTION. THE CONTRACTOR SHALL OBTAIN ALL LOCAL, STATE AND FEDERAL PERMITS REQUIRED FOR THE WORK, IN ADDITION TO THOSE OBTAINED BY THE OWNER. THE OWNER AND ANY CONTRACTORS SHALL CONDUCT ALL WORK IN CONFORMANCE WITH THE VARIOUS LOCAL, STATE AND FEDERAL PERMITS AND APPROVALS REQUIRED FOR THE PROJECT. GENERAL CONSTRUCTION NOTES: 1. ALL WORKMANSHIP AND MATERIALS SHALL CONFORM TO THE CITY OF AUBURN'S REQUIREMENTS AND SPECIFICATIONS. 2. ALL WORK SHALL CONFORM TO THESE DRAWINGS AND THE RULES AND REGULATIONS OF THE "WASHINGTON STATE DEPARTMENT OF TRANSPORTATION (WSDOT/APWA) STANDARD SPECIFICATIONS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION" LATEST EDITION, EXCEPT WHERE SUPPLEMENTED OR MODIFIED BY THE CITY OF AUBURN STANDARD DETAILS AND DEVELOPMENT PROJECT SPECIFICATIONS. 3. THE CONTRACTOR IS REQUIRED TO HAVE A COPY OF CITY OF AUBURN STANDARD CONSTRUCTION NOTES, DETAILS AND SPECIFICATIONS AVAILABLE AT THE JOB SITE ALONG WITH A COPY OF THE APPROVED DEVELOPMENT PLANS. 4. A PRE -CONSTRUCTION MEETING SHALL BE REQUIRED PRIOR TO ANY ON -SITE WORK FOR ALL PUBLIC FACILITY EXTENSION PROJECTS. 5. LOCATIONS SHOWN FOR EXISTING UTILITIES ARE APPROXIMATE. IDENTIFICATION, LOCATION MARKING AND RESPONSIBILITY FOR UNDERGROUND FACILITIES OR UTILITIES IS GOVERNED BY THE PROVISION OF CHAPTER 19.122 REVISED CODE OF WASHINGTON. PRIOR TO STARTING CONSTRUCTION, THE CONTRACTOR SHALL CALL ONE -CALL (1800-424-5555) FOR UTILITY LOCATIONS (WATER, SANITARY SEWER, STORM SEWER, GAS, POWER, TELEPHONE AND TELEVISION). 6. THE CONTRACTOR IS CAUTIONED THAT OVERHEAD ELECTRICAL LINES ARE NOT SHOWN ON THE DRAWINGS. THE CONTRACTOR IS RESPONSIBLE FOR DETERMINING THE EXTENT OF ANY HAZARD CREATED BY OVERHEAD ELECTRICAL POWER IN ALL AREAS AND SHALL FOLLOW PROCEDURES DURING CONSTRUCTION AS REQUIRED BY LAW AND REGULATION. 7. TRAFFIC CONTROL AND STREET MAINTENANCE FOR SAFETY OF THE TRAVELING PUBLIC ON THIS PROJECT SHALL BE THE SOLE RESPONSIBILITY OF THE CONTRACTOR AND ALL METHODS AND EQUIPMENT USED WILL BE SUBJECT TO THE APPROVAL OF THE CITY OF AUBURN. CONTRACTORS AND THEIR SURETY SHALL BE LIABLE FOR INJURIES AND DAMAGES TO PERSONS AND PROPERTY SUFFERED BECAUSE OF CONTRACTORS OPERATIONS OR NEGLIGENCE CONNECTED WITH THEM. CONSTRUCTION SEQUENCE: 1, SCHEDULE & ATTEND PRECONSTRUCTION MEETING WITH THE CITY OF AUBURN. 2. CLEARLY FLAG PROPERTY LINES AND ALL LIMITS OF CLEARING AND GRADING. 3. INSTALL CATCH BASIN PROTECTION IF REQUIRED. 4. GRADE AND INSTALL CONSTRUCTION ENTRANCE. NOTE: A WASH PAD MAY BE REQUIRED. 5. INSTALL SILT CONTROL FENCE. 6. INSTALL INTERCEPTOR DRAINAGE SWALES ALONG NORTH AND SOUTH PROPERTY LINES AS SHOWN ON THE PLAN. 7. INSTALL STRAW BALE BARRIERS AS REQUIRED. 8. CONSTRUCT TEMPORARY EROSION/SEDIMENTATION CONTROL POND AND TEMPORARY GRADING/EROSION DISCHARGE CONTROL STRUCTURE WITH GRAVEL CONE. 9. GRADE AND STABILIZE SITE. WITH EACH LAYER OF FILL MATERIAL, THE PROJECT SITE AND THE INTERCEPTOR SWALES SHALL BE GRADED SUCH THAT THERE IS POSITIVE SLOPE FOR DRAINAGE TO THE TEMPORARY EROSION/SEDIMENTATION CONTROL POND. 10. MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH CITY STANDARDS AND MANUFACTURER'S RECOMMENDATIONS. 11. RELOCATE EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO THAT, AS SITE CONDITIONS CHANGE, THE EROSION AND SEDIMENT CONTROL IS ALWAYS IN ACCORDANCE WITH THE CITY'S MINIMUM TESC REQUIREMENTS. 12. COVER ALL AREAS OF ACTIVE EARTHWORK WHICH HAVE THE POTENTIAL FOR EROSION AND SILT LADEN RUNOFF AND THAT WILL BE UNWORKED FOR MORE THAN 7 DAYS DURING THE DRY SEASON OR 2 DAYS DURING THE WET SEASON WITH STRAW, WOOD FIBER MULCH, COMPOST, PLASTIC SHEETING, CRUSHED ROCK, OR EQUIVALENT. 13. INSTALL PERMANENT DRAINAGE CONTROL FACILITIES PER THE APPROVED PLANS. FINAL GRADE PERMANENT (2 CELL) DETENTION/WATER QUALITY POND. REPLACE TEMPORARY DISCHARGE CONTROL STRUCTURE WITH PERMANENT FLOW CONTROL STRUCTURE IN TYPE 2 CATCH BASIN. 14. STABILIZE ALL AREAS THAT REACH FINAL GRADE WITHIN 7 DAYS. 15. SEED OR SOD ANY EXPOSED, UNSTABILIZED AREAS TO REMAIN UNWORKED FOR MORE THAN 30 DAYS. 16. EXCAVATE AND DISPOSE OF ACCUMULATED SILT FROM DETENTION/WATER QUALITY POND. CLEAN OUT STORM DRAINAGE SYSTEM, 17. UPON COMPLETION OF THE PROJECT, ALL DISTURBED AREAS MUST BE STABILIZED. Record Drawing Certification These drawings conform to the Contractor's construction records. By Date Title/Position Confirmed by City Dote PROJECT REF.- GRA 0024-99 !l/!f y These plans ore approved for conformance with the City of Auburn's Engineering Division requirements. Approved By: ✓A Date Approved: A 0) < o < vi � o � J w Z Z 3 Y U 0 G✓ w W 0 D U Q LO N CV cD 1 t1 a co �co N " +_+ U) X U v 00 Lo =ao'n 3 rn 00 V^) c I L E c � E N O c o . a� >,(0-0 w (D W 0 C o c a� .` :U U 0 N v 0 U ' LU 0 U) U) I f" U) 0 Z L.L U w w 0 mu' C: _ 0 0 Q � v? a� W mU) =3 O W oQ U PROJECT N0. 321-07 REVISION NO. 1 SHEET NO. C 1 . 0 OF 5 OTD I SO/ EX 24" RCP INV SAWCUT EX A/C PAV FOR TRENCH EXCAVATION. PIPE TRENCH BACKFILL & PAVEMENT RESTORATION PER AUBURN STD DETAIL GEPT-1. 30LF-15" CPEP OR PVC, S=0.0117 FT/FT GRADING/EROSION DISCHARGE CONTROL STRUCTURE WITH 1 1 /2" WASHED ROCK GRAVEL CONE SEE DETAIL, SHEET C2.1 INV = 71.8' EX SS STUB - TOP iE TOP OF BERM, EL 76.5' (SEE DETAIL, SHT C3.1) OVERFLOW EL = 76.0' (TOP OF ROCK) EX 24" RCP INV = 72.47- EX RR COMM TINE 3�EX 18" CPEP h I INV = 71.58 N 1 _ { COMM L14F�- - .` • _ {, RIM = 75.., ' - I Itf �. = c�� EX G VAVLE R 1 ` _ y 'o ,.-EX DRAIN NIFI a � C2.1_. t RIM - 75.85 ! 71..20 i 8"E,N`A,`) PX INV = 71.45 (15" S - �...� X 3ER t __ 2_-4- _ i{ C __ `a i ED - m E X 8 I !� l •. o f 1 �. .NV - 73L �.66 I ili4; l POND D BOTTOM`"`-__ { .\ V , EL 71.3' --EX 8" STEEL. INV =7. Y 8 STATI S,_LL 71.8 2:1 TOFF ©F1 1 ERM`, r _ EL 76.�' � �EL 73.0' I ` DESIGN POND #S \ (25yr, 24hr St rm) D= 16' EL74.9' R = 358.10 A = 28'47'57" L = 180.00� 2:1 TEMP EROSION/SEDIMENTATION CONTROL POND/ = VOLUME REQUIRED = 57,438 CU FT (FS=1.5) 14 VOLUME PROVIDED = 58,264 CU FT BOTTOM = EL 71.3' STATIC WS = EL 71.8' C2.1 DESIGN WS = EL 74.9' (25yr, 24hr Storm) MAX WS = EL 75.5' MIN TOP OF POND = EL 76.5' SILT CONTROL FENCE ALONG POND BERM, TYP. PER STANDARD DETAIL DEV-6 GRADING AND EROSION CONTROL NOTES 1. WITHIN THE CITY OF AUBURN, ALL REQUIRED RETENTION OR DETENTION, SEDIMENTATION AND EROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION, PRIOR TO LAND CLEARING AND/OR OTHER CONSTRUCTION ACTIVITIES, TO INSURE THAT SEDIMENT -LADEN WATER AND STORM DRAINAGE RUNOFF DOES NOT IMPACT THE ADJACENT PROPERTIES OR THE NATURAL DRAINAGE WAYS. 2, THE DETENTION, SEDIMENTATION (RETENTION IF INFILTRATION SYSTEM IS USED) AND EROSION CONTROL FACILITIES DEPICTED ON THE APPROVED DRAWINGS ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. ADDITIONAL DRAINAGE AND EROSION CONTROL FACILITIES MAY BE REQUIRED AS SITUATIONS WARRANT DURING CONSTRUCTION. THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO THESE CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE PERMITTEE. 3. THE DETENTION CONTROL POND SHALL REMAIN IN PLACE UNTIL THE PERMANENT STORM SYSTEM IS IN PLACE AND OPERATIONAL. 4. THE TEMPORARY EROSION CONTROL FACILITIES, INCLUDING ALL PERIMETER CONTROLS, SHALL REMAIN IN PLACE UNTIL FINAL SITE CONSTRUCTION IS COMPLETED AND APPROVAL HAS BEEN RECEIVED FROM THE CITY. 5. ALL AREAS OF ACTIVE EARTHWORK WHICH HAVE THE POTENTIAL FOR EROSION AND SEDIMENTATION IMPACTS ON ADJACENT PROPERTY AND DRAINAGE WAYS MUST BE STABILIZED ACCORDING TO THE FOLLOWING SCHEDULE: FROM APRIL 1 TO SEPTEMBER 30, AREAS AT FINAL GRADE AND THOSE WHICH ARE SCHEDULED TO REMAIN UNWORKED FOR MORE THAN 30 DAYS, SHALL BE STABILIZED WITHIN 10 DAYS. FROM OCTOBER 1 TO MARCH 31, EARTHWORK ACTIVITIES SHALL BE CONDUCTED IN STAGES IN ORDER TO MINIMIZE SOIL EXPOSURE. EXPOSED SOILS WITH AN AREA GREATER THAN 5,000 SQUARE FEET THAT ARE SCHEDULED TO REMAIN UNWORKED FOR MORE THAN 24 HOURS AND EXPOSED AREAS OF LESS THAN 5,000 SQUARE FEET THAT WILL REMAIN UNWORKED FOR MORE THAN 7 DAYS SHALL BE STABILIZED IMMEDIATEI_Y. �1� e:_.L..d ' _ _.. .L.L_L�',.L„L°.G..�L.'�L' d' TRCrQ�$iON-/-SEUMEXTr; T N` AT C � � - � - Y_.__ F EX CB - 75.97 I SILT CONTROL FENCE..._ ._.___.___ _..____ __�_ __..._._ _._._._7� .__ _ _._. _ _._ ___ __�- � �j � � __. � .- ��!� 11 --- .ALONG POND BERM, TYP. ' r PE� . STANDARD-1?ETAttEX IFIRE D EX FIRE HYD EX G VALVES EX G L\ G 4LVES r-A'4'E i ,, ,,�'•-RQWD.._ACCESS ROAD -1=X ss MH FOR MAINTENANCE RIM = 75.17 �L d , �- X �--_-_.._ _�. � E X D RAC ) M H EX C TOP 0 BERM MINIMUM 15' WIDE 75 -- __. --- -- IR;M r 76.1 MAX SLOPE = 12-ft/f _ EL 76.5' - ,•-- E. X DRAIN MH - -- - - ____.__ _. ___ _ __ __ - ___ __� _ _ � RIM 76 ' 4 E ' = 75.G5 EX DRAIN MIS ----- .� i fi�� AC ��� EX C; VALVE � r EX ACCESS _ `� EX N8828'14_7"W .-._..�5_44,25; �_.I EX 18 CPEP _ _ 1iM = 75.83 EX CPEP EASEMENT -_ _ ----. - - - _ _ --J __ EX 1 _ REP RIMS-7'�6__ �s - < E ,. SEX 12" CPEP _ Ek 1-2C'�. �� ___ 1 1NV = 72,91 f INV�.� 'i2.91 ` , - - -. � i J 57LFt-15 CPEP OR PVC TO NOTE: SILT CdNTROL FENCING PLACEMENT i POND, S=0.003 Fr/Fr' MIN - y '' ALONG THE NORTH PROPERTY LINE SHALL qEX 12" CPEP NOTE: PLUG EXISTING S w - ' \.. BE SUBJECT TO REIILD CONDITIONS DURING INV =73.3t3 I 25' MIN INV=72.00 STUBS. (TYPICAL 3 P4ACES) GQNSTRUCTION. SILT LADEN WATER SHALL W/ RIPRAP PAD NOT` DE ALLOWED TO RUNOFF THE SITE. I CONSTRUCTION ENTRANCE PER STANDARD DETAIL DEV-5 STRAW BALE BARRIER (TYP.) INSTALL AT APPROX 50' INTERVALS NOTE: A WASH PAD MAY BE I REQUIRED. TOP OF POND ALONG INTERCEPTOR SWALE. (SEE EL 76.5' DETAILC SHT C2.1) INTERCEPTOR"SWALE MAX POND WS MIN BOTTOM SCOPE 0.005 FT/FT STRAW BALE BARRIER EL 75.5' MIN SIDE SLOPES 3H:1V TO PROTECT EX PIPE INLET V�72.00 MIN BOTTOM WIDTH 3' W/ RIPRAP PAD MIN DEPTH = 1.5 24LF-12" CPEP OR (MAX WS = 0. DEEP, MIN PVC, S=0.0275 FT/FT FREEBOARD = j1', TOTAL = 1.5') / J SILT CONTROL FENCE INV=75.50 / PER STANDARD DETAIL DEV-5 RIPRAP INLET � I `� I' _ STRAW BALE BARRIER TYP. .INSTALL AT APPROX 50' INTERVALS ALONG INTERCEPTOR SWALE. (SEE I � PROVIDE C8 PROTECTION PER STANDARD DETAIL DEV-8 -EX SS IMH RIM = 79.21 EX DRAIN MH RIM = 79.26 INV=76.08 (BARGHAUSEN) ,--EX G VALVES 01 EX SS MH t �'E BOX EX t'AULT 'O = X C2 RIM = 78 18 -EX 12" CPEP INV = #5.80 J i i ji EX BUILDING" V/ i 0, I C B EX TOWER DETAIL SHT C2.1) INTERCEPTOR DRAINAGE SWALE MIN BOTTOM SLOPE=0.005 FT/FT �'J -• MIN SIDE SLOPES = 3H:1V MIN BOTTOM WIDTH = 1' i MIN DEPTH = 1.5' (MAX WS = 0.5' DEEP, MIN .�4` �' 1 k, FREEBOARD = 1 ', TOTAL = 1.5') ` NOTE: SILT CONTROL FENCING PLACEMENT ALONG THE EAST PROPERTY LINE SHALL BE ; SUBJECT TO FIELD CONDITIONS DURING I CONSTRUCTION. SILT LADEN WATER SHALL s l NOT BE ALLOWED TO RUNOFF THE SITE. I 1A\ jj w i 10' 30' 60' iiiiiiii 0' 20' 40' 80' SCALE: 1 " = 40' CALL BEFORE YOU DIG IT'S THE LAW 1-800-424-5555 NOTE: SILT CONTROL FENCING PLACEMENT ALONG THE SOUTH PROPERTY UNE SHALL BE SUBJECT TO FIELD CONDITIONS DURING CONSTRUCTION. SILT LADEN WATER SHALL NOT BE ALLOWED TO RUNOFF THE SITE. 9g �-� LEGEND: PROPOSED SD PIPE EX SD PIPE EX TYPE II CB PIPE SLOPE DIRECTION ARROW GROUND SLOPE DIRECTION ARROW -' EX CONTOUR LINE LIMITS OF CLEARING -Xf x SILT CONTROL FENCE �-- INTERCEPTOR SWALE STRAW BALE BARRIER Record Drawing Certification These drawings conform to the Contractor's construction records. I Rv - , Title/Position Confirmed by City Date Date PROJECT REF. GRA 0024-99 f�/rf'fy These plans are approved for conformance with the 1 City of Auburn's Engineering Division requirements. Approved By:=/�r"�, Date Approved: �L_ Z '+I I i PIi// 80 �•y ' I '� t I f LEX POWER POLES t Ilif i 0 REMAIN' t" EX "ATE /---EX ECOLOGY / BLOCK WALL r- EX RR i TRACK II N88 j 1 RIM = 78.05 EX BUILDING %i rn °' w �Q 00 m -10 z rn O) Cy) cl r J D w a 0 It L0 (c0 N V00 cl oM PO � 100 N In X o ° C®°mL 'm � C � 3 ON 00 C � E 3 00 Ln CV C 0 ai J-ch o z 0 L.L F- w Q 0 z LU CL 2 w cn z = 00 F-- Z5 z 00 0 C45 �Zy ^� W U) Of W Q o co ��' a o Q J Q Or_ 0 No of N c z W Q LLJ O Cn 0-0 Q �- U PROJECT NO. 321-07 REVISION N0. SHEET NO. C2.0 I OF 5 (:>Svieoi TEMPORARY EROSION / SEDIMENTATION CONTROL DETAILS 1Uj TOP OF BERM EL=76.5' . -7 15" CPEP OR PVC OUTLET PIPE 25vr 0 Allowable = 1.05 CFS 6" MIN E L= 75.5'----�— �1 lO 0 INV=71.8' RS 85 MATCH EX a GRADE AT P z SIT CONTROL FENCE AT 2H:1V MIX -' PER STD DETAIL DEV-6 0 w ° SILT C NTROL FENCE Z a z gp PER S D DETAIL DEV 6 CL MIN TOP CF POND = EL 76.5 0 80 a 0, 0, MIN TO OF POND J EX CR C E--�t W w = EL 6.5 ¢ w o EX A/C 5't3 w PAV 75 7130 it ul _..75 _r —1 - Q_ r__jA 7 A - 0— MAX2H:1V ... 1 ... ... ... -! ... ... POND BO ... OM ... .. MATCH EX GRADE EL = 73.0- 2 EL = 71.3 L Z = 73.0 7STATIC W EL = 71.8 APPROX IGH PROPOSED GRADE 70 77 GROUNDWATER 70 - EL = 70. 6" DEAD STORAGE 65 65 0.5' o — 0 0 0 0 0 d o 0 0 0 0 0 0 0 WATER TIGHT SEAL 6" 15"X15"X15" PVC TEE MIN 18" MIN RUBBER GASKET JOINTS (REMOVABLE) 4 V] RUBBER GASKET PLUG WITH 4-11/16" DIA. ORIFICE HOLE 5 TEMPORARY EROSION/SEDIMENTATION CONTROL POND SECTION A -A SCALE: 1" = 20' HORIZONTAL 1" = 5' VERTICAL 48" DIAMETER CMP STANDPIPE OPEN TOP, CLOSED BOTTOM ENCASED IN CONCRETE MAX POND WS ELEV = 76.0' (=ELEVATION OF OVERFLOW SPILLWAY ) WS ELEV = 74.90' EL=75.4' pp (25yr, 24hr Design Storm) ?� 1 1/2" WASHED ROCK GRAVEL CONE 6" MIN DEAD STORAGE --W,--- STATIC WS EL=71.8' POND BOTTOM EL=71.3' 1" DIA. TYP., 40 HOLES MIN ® 10" O.C. PERFORATIONS SHALL BE LOCATED WITHIN _ -ESTIMATED HIGH GROUND WATER EL=70.0' THE LIMITS OF THE GRAVEL CONE. --- COMPACTED GRAVEL BASE 6" CONCRETE BASE TEMPORARY GRADING/EROSION DISCHARGE CONTROL STRUCTURE DETAIL (LOOKING EAST) NOT TO SCALE CALL BEFORE YOU DIG IT'S THE LAW 1-800-424-5555 NOTE: EXCEPT IN NATIVE ROCK, LINE CHANNEL WITH 1' MIN DEPTH RIPRAP WHERE SLOPES EXCEED 5%. CHANNEL BED, 20% MAX SLOPE :�, -III-III-III=III=III=III= J 4" "'^"'; WIRE OR TWINE D BALE SIDES, TYP OVERLAP BALES SO THERE ARE NO GAPS CHANNEL BED, 20% MAX SLOPE STAKE & ENTRENCH STRAW BALE, TYP SPREAD LOOSE S 8" COMPACTED SOIL 2"x2"x4' WOOD STAKE, TYP oil gj(l� F1 1MISON STRAW BALE BARRIER NOT TO SCALE FOR FLOW STAKE & ENTRENCH STRAW BALE, TYP 2"x2"x4' WOOD STAKE, TYP Record Drawing Certification These drawings conform to the Contractor's construction records. By Dote Title/Position Confirmed by City Date 000- '-- 2 H:1 V MAX A SIDE SLOPE, TYP NOTE: POINTS A SHOULD BE HIGHER THAN POINT B. PROJECT REF GRA 0024-99 VWfly, These plans are approved for conformance with the City of Auburn's Engineering Division requirements. Approved By: &Aagn� Date Approved: h /41 I S _1zi N N N to I cc0�00 100 N -+�-' In x N 0 c ��r d E39Ln v y _ N O c 0 iu -� 0 N N a� O c rn c a� U Z 0 w Q C 0 Z w LU U) U) C) Z = 0 U) U) a) 0 -� z U) � w Q LL U 0 � w Q � o J Q m L O LPL' O �25C 0o s w z 0 WcoQ F- U PROJECT NO. 321-07 REVISION N0, SHEET NO. C2.1 OF 5 OS011801. NOTE: EXISTING CUL-DE-SAC r �., _..1._....c....L.Lsf_1`s._.�..%�..�.Lr...c..[_.s %.''mod / ✓ l�Ls'�_C_L..1'' / JF % 1i ✓ r 1 jI EX 2 RCP INS` = 71182-\ I ; � � ! //,!/ � f i \ 1 1 I / i- GRADING SAWCUT EX A/C PAV FOR TRENCH I ! � � � � �r--EX 18 CPEP � �' � _-__ � �___ __..____ _ &.,-S-T � EXCAVATION. PIPE TRENCH BACKFILL i �` INV = 71.58 I r " --- - 74 & PAVEMENT RESTORATION PER I , ! j C81 TYPE II, 48 _ AUBURN STD DETAIL GEPTOM LII�SE ` _ WIT�1-I FCS SEE DETAIL,, TO BE REDESIGNED AND RECONSTRUCTED BY OTHERS. CURB CUT TO BE RELOCATED TO PROVIDE ACCESS TO f- EX CB PROJECT SITE. RIM = 75,97 EX SS MH RIM = 79.21 I - .o _ POND ACCESS ROAD - - -- _ ._.._._._�...__.. _ �.__..._ - -- _--.._.___ _._._._v. I f N EX FIRE HYD �: � ` RI DRAIN MH 1, EX i F IRt HYG 17LF-15" CPEP OR PVC RIM-77.0 (FA) I \ �Rlt�l = 79.26 ! s�` EX SS H " FOR MAINTENANCE I EX G VALVES S=0.0235 FT FT - �� INV=71.85 (15 N,t';'-J _---EX VALVE EX S X G V� ES ` INV =76.08 (BARCHAUSEN) / ) i RIM = 75.76 -� ' r s r b MMUM 15 WIDE MCI I p " _ r- __� MAX SLOPS "12% _ __75 ---_ _e3 ---__ /' RIM = 75.17 �"" ___ __.___ _ _ _ __. �` �/tEX C INV=76A8 (12 S) 15' GATE i E X G VAVLE ---- _ _.- ,L._.._ _ _._._-_- - -_ _- _ _ _. _ _ _�_ -- =� 'R; M 7 6.14 VALVES _ -� EX RAII MH f i ° 15LF-15" CPEP OR PVC EX DRAIN M11 _ _.._ ___ ; __.. �__._ �._ _. ..._ __._ ___ - ._ __ w._:f4 ___. _- � _ ___ _.__ .._-_ ___ ____ ___ _ _ ._ _ _ ___ ____ __._ RIM - 76.14 �_ g EX X SS MH iNv( I - , r RIM 75.85 15 GATE _--EX DRAIN _Y__ -._- _ -� --, �-�__ EX G "VALVE S 0.01 FT/FT 1 rr W,; „ RIM. = 75,65 EX DRAIN MN __ - EX 16 ACCESS �%' --- / ___ '�, RIM = SO.C7 I ..� Zr. L� 18t E,NEX P 88'28 17 W -- 2�44 EX 18" CPEP' r RIM _ 75.83 -EX S M __ - " _ . - = _- _ - - _.____ .___ ._ _...___ ..__._ -___- ___ __ LT Ex 18" CPEP EASEMENT ENT „ EX SS STUB--__ INV = 71.45 (15 S) , � - - - - O _ --- -- ___ _.._. EX ____. _.__ EX 15 CPEP - 76 4 - - - - - I i W, `X EOP- x �=OP PLUG EXI�D- - - - - - - - - - - _ _- -Ir _ - _ �� UTH STREET SW m _ EL 76. - _ _ --� ..._ _ -_. _ _ _._ OP - - - - EX I I -- - - _ ___- _ �___ __ -_ �- � _._.._ L4�A1DN_-R_ESIDENTIAL EMERGENCY _ ii7:3 E LE BOX - -~ - - - -- 235LF-15 CPEI� AS _ OVERFLOW SPILLWAY , 5,r._ M ;1. _ _ - = _ -- - M Y� (SEE DETAIL, C3.1) - � _ �� - ..___ _. - _ -_ _ -- _ _ - _ _ _ _ - i k _ l A T -- �. _ - - __-- _._ _ _ _ _ _ -- - -- i -- EX CB, RIM 78.18 00 d---U-L EX 24 RCP f 1 t I _ ` 12 CPEP - EX 1 C P� _ __ �76>�_ - -n� I� ` 1 ` 4 " ' P I IPJV = 72 47- ` € ,+a1 t s 7 7s d ' - I j EX 2 CPE f 6 ERM INV = 72.91 76 i! _ 7L'.91 ! / ! } ! _ 5.80 (REMOVE) _ i I CELL _. r �4 t _ �`` / 41EX 12' (;Pr i 1 � #2 cv C'4 C LL - 77 - ' �' _� �,. ,j �_ 1( CONNE& TO EX RR _ i F i i ; t 1 - i -- 77 -� ' j IN'j7 6 ! EXISTI G COMM LINE I f f�� IE i �6.5 \\ Aa I INV=72.00 C82 TYPE I f y \ EL 3 W/ RIPRAP PAD 1 I ► I \ W/- STANDARD GRATE I j INV=72.00' W/ ? OVERFLOW SPILLWAY \ STATIC POND WS firl=75.5 C83 TYPE I / 1$ 84 TYPE 'I } RIPRAP PAD & (SEE DETAIL, 3.1) I j "' _ ' 15"E W ! W/ STANDARD GRATE i/ C EL 2.0 EL - 72.0 /INV 72.35 { ) RIM=75.5 /d W/ STANDARD GRATE , TRASH RACK : A, ,� �� " D = 16' `� MAX -POND �WS INV=73.31 {12 E) / / I RIM=76.5 R = 358.10 ' I EL = 75.5 _ INV=73.88 (12"W) A = 28'47'57" �� 'INSTALL 6' HIGH CHAIN LINK FENCE INV-73.06 {15"W) / / , f t L = 180.00 �'7 __-AROUND PERIMETER OF DETENTION/ `r, V-7.00 WATER QUALITY POND, TYP. �• "� ..• W/ RIPRAP PAD UALITY POND EL 76.5� _ DETENTION WATER Q 24LF-12' CPEP OR / BOTTOM = EL 68.0 STATIC POND �., PVC, S=0.0275 FT/FT STATIC WS = EL 72.0 MAX WS = EL 7r, WS EL = 72.0 DC3.1 / C3.1 MAX DESIGN WS (100yr,24hr) = 74.80' UC3.1 MIN TOP OF POND = EL 76.5' EL -76.5 \� W/ RIPRAP PAD \� NOTE: VOLUME CALC'D FOR 25yr, 24hr MAX POND WS }= POND N ISTORM = 36,191 CF. VOLUME PROVIDED EL = 75.5' _ / / ; ! , r = 51,106 CF, THEREFORE FS = �k / EX TOWER 1.FS REQ'D = 1.0 W/ OVERFLOW). '� / CLEAR & GRUB SITE. i� f ( REGRADE WITH COMPACTED FINISH CONTOURS NOT SHOWN WITHIN � \ �\ , '1� STRUCTURAL FILL. l ' POND FOR CLARITY. \�� DRAINAGE SWALE TO POND \�\ MIN DEPTH=1' ! MIN BOTTOM SLOPE = 0.003 FT/FT 10' 30' 60' MIN SIDE SLOPES = 3H:1V , , 0' 20' 40' 80' \ \\ s / : 5 SCALE: 1 " = 40' \ / ~ _ i / J ti 1 \ / , C85 TYPE I , \t �, / W/SOLID LOCKING COVER DRAINAGE NOTES: �,\ > ,� RIM=79.9 (FA) INV=77.08 (12"N,E) 0 DRAINAGE SYSTEM 1. ST STORM RAINA - THE STORM DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO f f a\ THE APPROVED PLANS AND SHALL CONFORM WITH DIVISION 7 OF THE STANDARD SPECIFICATIONS, EXCEPT WHERE MODIFIED OR SUPERSEDED BY THE CITY OF AUBURN STANDARDS. 2. PLANS - A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION\ __- - 5LF-' 2" CPEP _OR --PVC - N r /�9� STUB TO PR6ERTY IS IN PROGRESS. C3.1 / GRADING NOTES: � � LINE, swr:o2 FT/FT , ' I [ INv=77.18 T H BASINS STORM RAIN MANHOLES - CATCH BASINS AND MANHOLES SHALL BE WSDOT/APWA RIPRAP INLET 3. CAC 6 S & D TYPE I OR TYPE II AS INDICATED ON THE APPROVED PLANS. NEW CATCH BASINS & MANHOLES AND \ ``' r1j MODIFICATIONS TO EXISTING CATCH BASINS &MANHOLES SHALL CONFORM TO THE REQUIREMENTS OF 1. GEOTE(�HNICAL & SUBSURFACE INVESTIGATION - A GEOTECHNICAL AND SUBSURFACE !' r INVESTIGATION HAS NOT BEEN PERFORMED FOR THIS PROJECT. IT IS THE RESPONSIBILITY 1 j SECTION 7-05 OF THE WSDOT/APWA STANDARD SPECIFICATIONS. ALL COVERS OR GRATES SHALL BE J OF THE CONTRACTOR TO OBTAIN THIS INFORMATION AS NECESSARY.,. LOCKING TYPE. z GRUBBING AND DEMOLITION SHALL BE \ �., �. ' 4. STORM DRAIN PIPE -MATERIAL REQUIREMENTS FOR STORM DRAIN PIPE SHALL BE IN CONFORMANCE 2. CLEARING. GRUBBING &DEMOLITION -ALL CLEARING, THE APPLICABLE SECTIONS OF THE STANDARD WITH SECTION 6.09.1 OF THE CITY OF AUBURN DESIGN AND CONSTRUCTION STANDARDS. UNLESS PERFORMED IN CONFORMANCE TO THE REQUIREMENTS OF \\ OTHERWISE NOTED ON THE PLANS, ALL STORM DRAIN PIPE SHALL BE ADS N-12 SMOOTH INTERIOR SPECIFICATIONS, CITY OF AUBURN STANDARD SPECIFICATIONS AND THE CURRENT EDITION OF THE UNIFORM r t r ! DEBRIS SHALL NOT BE MIXED WITH MATERIALS TO BE USED AS �` / �� THE REQUIREMENTS OF AASHTO BUILDING CODE. THE STRIPPED DEB CORRUGATED POLYETHYLENE STORM WATER PIPE, CONFORMING WITH ALL E EQ M-294, OR WATER -TIGHT JOINTED, POLYVINYL CHLORIDE (PVC) CONFORMING TO ASTM 3034, SDR 35, STRUCTURAL FILL. \ \ I" F I ADS N-12 PIPE COUPLINGS SHALL BE CORRUGATED TO MATCH THE PIPE CORRUGATIONS AND THE WIDTH SHALL NOT BE LESS THAN 1 /2 THE NOMINAL DIAMETER OF THE PIPE AND SHALL CONTRACTOR SHALL VERIFY THE LOCATIONS, ENGAGE AN EQUAL WIDTHS, THICKNESSES, AND ELEVATIONS OF ALL EXISTING PAVEMENTS AND STRUCTURES THAT ARE TO NUMBER OF CORRUGATIONS ON EACH SIDE OF THE PIPE JOINT. MINIMUM COVER OVER ADS N-12 PIPE INTERFACE: WITH NEW WORK. PROVIDE ALL TRIMMING, CUTTING, SAW CUTTING, GRADING, LEVELING, SLOPING,'�� SHALL BE 12". INSTALLATION OF STORM DRAIN PIPE SHALL BE IN ACCORDANCE WITH STANDARD ASTM COATING, AND OTHER WORK INCLUDING MAT AS NECESSARY TO CAUSE THE INTERFACE WITH AND AASHTO RECOMMENDED PRACTICES AND IN CONFORMANCE WITH SECTION 7-02 OF THE STANDARD MATERIALS EXISTING WORKS TO BE PROPER, ACCEPTABLE TO THE ENGINEER AND THE CITY OF AUBURN, COMPLETE IN \ `��, / / 3 SPECIFICATIONS. STORM DRAIN PIPE THAT IS LOCATED BELOW AN AREA WHICH WILL BE DRIVEN OVER, AND PLACE AND READY TO USE. 9 \ _�``' / ! ►I WHICH HAS LESS THAN TWO FEET OF COVER, SHALL BE CEMENT MORTAR LINED DUCTILE IRON PIPE Q9S\ CONFORMING TO ANSI A21.51, CLASS 50. STORM DRAIN PIPE SHALL BE INSTALLED IN CONFORMANCE WITH 4. XE CAV,4TION &BACKFILL -SAFE EXCAVATION PRACTICES SHALL BE THE RESPONSIBILITY OF THE \ \ '.w / THE REQUIREMENTS OF DIVISION 7-08 OF THE WSDOT/APWA STANDARD SPECIFICATIONS. CONTRACTOR AND SHALL CONFORM TO REGULATIONS ESTABLISHED BY PERTINENT STATE AND FEDERAL r ``` EX BUILDING ~ �� .. / �0 32' GRAVEL ROAD BY OTHERS " 11 T TR CTUR - THE FLOW CONTROL STRUCTURE SHALL BE CONSTRUCTED ACCORDING TO OCCUPATIONAL SAFETY AND HEALTH AGENCIES. \ / 6 CRUSHED ROCK ;I 5. FLOW CONTROL S U E j N THE APPROVED PLANS AND SHALL CONFORM WITH THE REQUIREMENTS OF `� \ / 2 - 12' LANES THE DETAILS SHOWN 0 E 5. TS RUCTURAL FILL -ALL STRUCTURAL FILL SHALL BE FREE OF ORGANIC MATERIAL DEBRIS AND OTHER / CITY F AUBURN STANDARD DETAIL NO. \ 2 - 4' SHOULDERS I' . SECTION 9-05 OF THE STANDARD SPECIFICATIONS AND WITH C 0 DELETERIOUS MATERIALS. THE SOILS USED FOR STRUCTURAL FILL SHALL MEET THE REQUIREMENTS FOR DEV-2. SELECT BORROW IN SECTION 9-03.14(2) OF THE STANDARD SPECIFICATIONS. STRUCTURAL FILL SHALL BE \ (SEE SECTION E, SHT C3.1) KFI L SHALL CONFORM PLACED IN LIFTS NO GREATER THAN 12 INCHES IN LOOSE THICKNESS AND EACH LIFT SHALL BE �� 80. 6. PIPE TRENCHING. BEDDING & BACKFILL ALL PIPE TRENCHING, BEDDING & BAC L T PERCENT OF THE SOILS MAXIMUM DRY DENSITY, AS DETERMINED TO THE REQUIREMENTS OF SECTION 7-08 OF THE STANDARD SPECIFICATIONS. UNIFORMLY COMPACTED TO AT LEAS 95 LEGEND: BY ASTM TEST DESIGNATION D-698 (STANDARD PROCTOR) FOR THAT MATERIAL. THE DEGREE OF COMPACTION MAY BE REDUCED TO 90 PERCENT OF THE SOILS MAXIMUM DRY DENSITY, AS DETERMINED PROPOSED SD PIPE \ j 7. TRENCH SURFACE RESTORATION -THE GROUND SURFACES OF ALL TRENCHES IN THE PUBLIC = �� / K I IN UTILITY TRENCHES AND FOR DEPTHS BELOW EX SD PIPES �� j r RIGHT-OF-WAY AND ON OR OFF -SITE PROPERTIES SHALL BE RESTORED TO THEIR ORIGINAL CONDITION. BY ASTM D-698 IN NON-STRUCTURAL AREAS BAC F LL STANDARD DETAIL N0. GEPT-1. FOUR FEET OF THE SURFACE. THE IMPORTATION OF WET WEATHER STRUCTURAL FILL MAY BE NECESSARY ® PROPOSED TYPE II CB ' \\ 0 o PAVEMENT RESTORATION SHALL BE PER CITY OF AUBURN S INTO THE FALL AND WINTER MONTHS. / IF GRADING ACTIVITIES EXTEND N 0 E ■ PROPOSED TYPE I CB - THE - . \ 8. RIPRAP - ALL RIPRAP SHALL CONFORM TO THE REQUIREMENTS OF DIVISION 8 15 OF E EX TYPE II CB 6. CUT &: FILL SLOPES - NO FINAL CUT OR FILL SLOPES SHALL EXCEED 2 HORIZONTAL TO 1 VERTICAL c,_`' \ �FX PO'Jr1=R POLES / i WSDOT/APWA STANDARD SPECIFICATIONS. RIPRAP SHOULD HAVE LESS THAN 5 PERCENT FINES, AND WITHOUT STABILIZATION BY ROCKERY OR BY A STRUCTURAL RETAINING WALL. 4- PIPE SLOPE DIRECTION ARROW (TO REMAIN) SHOULD HAVE THE FOLLOWING GRADATION: GROUND SLOPE DIRECTION ARROW T " 7. DAMAGE DURING CONSTRUCTION -THE CONTRACTOR SHALL PROTECT FROM DAMAGE OR DESTRUCTION, _ MAXIMUMS ONE SIZE 24PRIVATE AND PUBLIC PROPERTY ON OR IN THE VICINITY OF THE WORK THAT IS NOT SCHEDULED FOR TI R REMOVAL AND SHALL ENSURE THAT INTERFERENCE WITH THE MEDIAN STONE SIZE 16 DEMOLITION, ON 0 -- EX CONTOUR LINE DE , REPLACEMENT RELOCATION T E 4" USE OF SUCH PROPERTY IS MINIMIZED. ANY EXISTING IMPROVEMENTS DAMAGED DURING CONSTRUCTION �` \ MINIMUM STONE SIZE /' PROPOSED CONTOUR LINE � -EX GATE SHALL BE REPLACED PRIOR TO FINAL INSPECTION. 9. DETENTION f WATER QUALITY POND - THE DETENTION / WATER QUALITY POND SHALL BE EL XX.X WITH THE DETAILS SHOWN ON THE DRAWINGS. IMMEDIATELY FOLLOWING 8. P ITIV P FOR RAI A - WITH EACH LAYER OF FILL MATERIAL, THE PROJECT SITE AND THE FINISH GRADE POINT ELEVATIONI CONSTRUCTED IN CONFORMANCE W E �� E SLO E 0 D N GE � \ r' � / CONSTRUCTION ACTIVITIES, THE TOP AND SIDE SLOPES OF THE POND ABOVE ELEVATION 72.0' SHALL BE INTERCEPTOR SWALES SHALL BE GRADED SUCH THAT THERE IS POSITIVE SLOPE FOR DRAINAGE TO THE .' �� EX ECOLOGY t HYDROSEEDED. TEMPORARY EF'tiSfON/SEDIMENTATION CONTROL POND. BLOCK WALL >l WA _V1 E x Z M DRAINAG, _PLRWETIC-7 t�5 Record Drawing Certification These drawings conform to the Contractor's construction records. By Date Title/Position Confirmed by City Date PROJECT REF: GRA 0024-99 f/'llf7 These plans are approved for conformance with the City of Auburn's Engineering Division requirements. Approved By: SL;Emea snaa Date Approved: Ex CB RIM = 78,05 EX RR l/ �- TRACK j \J_ �. NOTE: REMOVE EX ECOLOGY BLOCK WALL AS REQUIRED \ FOR NEW GRAVEL ROAD. r 'k. N 8� V) �z Z O LiN o It cy- r_ U w CL 0 w Ln 0 z rn rn C/) < 0")Ln o (A vi --5 o � w o a D � Z Z Y O U Q 0 CN (V � N O00 W I CV In X CLn00 w 3 v, ago c S r c �E3 N o 0 ai �( __j o C a) c v 0 U U) LLj �- O L.L z W 06 0- z O Q It W U) Q F_ z U) Q Of 0 00 � G z� cW p o CO N c 0 Q z_ �M i ■ ? Q �nn W 00< -0 �� V PROJECT NO. 321-07 REVISION NO. SHEET NO. C3.0 OF 5 OSD1801