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HomeMy WebLinkAbout05D1802CB METAL FRAME AND GRATE CASTING. RIM ELEVATION PER PLAN ADJUSTING BLOCK (6" MIN. TO 12" MAX.) OFFSET Tom' GALVANIZED STEEL LAIR/STEPS _VARIES ol '. rr 96.0 (f) PRECAST MH SECTIONS CAP WITH p 18" MIN. =1 I =_ CILIP O 95%BACK e ff RUBBER GASKET MIN. CLR. LAY FILTER FABRIC OVER PVC TEE W/OPEN BOTTOM & N 1-I - MAP ON RUBBER GASKET JOINTS III- {=1 =) t {-# --i _i { -i. TRENCIi E/EACH (M 40-H _ OR EQUAL) LA_ �o t1b no0op� 0 0 o�c o 0 < o d a °° o 0 0 ---- T'4"-11�" WASHED _ DO ROCK PVC OUTLET � - � , o � o A.C. OR G.P.K. I 8" b SLOTTED PIPE MANHOLE ADAPTER „f SECOND PVC OUTLET o a n D o D D LAB FLAT. PER PLAN I WATERTABIE aa° °n °° a D o 00 oD� /� o g o a o D o S. IE 70.50 INFILTRATION THE Z� OBSERVED ABOVE z PER 2/Cl TYPE II-C 48" CB THIS LINE 10 N01 (TYPE 11-C 54" CB `a 3' WHERE TWO OUTLET 1. ROTATE OFFSET LID OVER TEE 2' IYP PIPES OCCURS) SHORING IS REQUIRED WHERE TOTAL TRENCH WHEN LESS THAN �` OF COVER, AND INCREASE MAN14OLE SIZE DEPTH MEASURED FROM EXISTING SURFACE OR CASTING OPENING AS NECESSARY. GRADE TO BOTTOM OF TRENCH EXCEEDS 48". 1 TYPICAL CATCH BASIN 2 TRENCH SECTION C 1 N.T.S. KC 17 W= 1'-0" GENERAL CONSTRUCTION NOTES 1. ALL WORKMANSHIP AND MATERIALS SHALL CONFORM TO THE CITY OF AUBURN'S REQUIREMENTS AND SPECIFICATIONS. 2. STANDARD SPECIFICATIONS SHALL BE 1981 APWA AS MODIFIED BY THE CITY OF AUBURN, INCLUDING AUBURN'S STANDARD DETAILS, SPECIFICATIONS, AND REQUIREMENTS. 3. A COPY OF THESE APPROVED PLANS AND APPLICABLE CITY DEVELOPER SPECIFICATIONS AND DETAILS SHALL BE ON -SITE DURING CONSTRUCTION. 4. A PRE -CONSTRUCTION MEETING SHALL BE REQUIRED PRIOR TO ANY ON - SITE WORK FOR ALL PUBLIC FACILITY EXTENSION PROJECTS. 5. PRIOR TO STARTING CONSTRUCTION, THE CONTRACTOR SHALL CALL ONE - CALL (1-800-424-5555) FOR UTILITY LOCATIONS (WATER, SANITARY SEWER, STORM SEWER, GAS, POWER, TELEPHONE AND TELEVMSION). 6. DURING CONSTRUCTION, CONTRACTOR SHALL BE REQUIRED TO CONTROL ON -SITE STORM WATER RUNOFF BY USING TEMPORARY OR PERMANENT DRAINAGE EROSION/SILTATION CONTROL PROCEDURES. 7. LOCATIONS OF EXISTING UTILITIES ARE APPROXIMATE. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO DETERMINE THE TRUE ELEVATIONS AND LOCATIONS OF UA INS. ALL VISIBLE ITEMS SHALL BE THE ENGINEER'S RESPONSIBILITY. 8. EXISTING PAVEMENT SURFACES SHALL BE SAW CUT FULL DEPTH WITH STRAIGHT, UNIFORM EDGES 12 INCHES (12") OUT FROM THE EDGE OF EXCAVATION. ALL JOINTS BETWEEN THE NEW AND ORIGINAL PAVEMENT SHALL BE PAINTED WITH ASPHALT EMULSION (CSS-1). 9. THE CONTRACTOR SHALL INSTALL, REPLACE, OR RELOCATE ALL SIGNS, AS SHOWN ON THE PLANS OR AS AFFECTED BY CONSTRUCTION, PER THE CITY'S STANDARD DETAIL NO. TRSP-1. 10. ALL CONSTRUCTION SURVEYING FOR EXTENSIONS OF PUBLIC FACILITIES SHALL BE DONE UNDER THE DIRECTION OF A WASHINGTON LICENSED LAND SURVEYOR OR A WASHINGTON LICENSED PROFESSMtNiAL CIVIL ENGINEER. 11. DURING CONSTRUCTION, ALL PUBLIC STREETS ADJACENT TO THIS PROJECT SHALL BE KEPT CLEAN OF ALL MATERIAL DEPOSITS RESULTING FROM ON -SITE CONSTRUCTION, AS DIRECTED BY THE CITY. 12. CERTIFIED AS -BUILT DRAWINGS ARE REQUIRED PRIOR TO PROJECT ACCEPTANCE, REFER TO THE CITY'S "CERTIFIED AS -BUILT REQUIREMENTS". 13. FOR MANHOLE AND CATCH BASIN RIM ADJUSTMENT, MAXIMUM ADJUSTMENT WITH BRICK OF RIMS AND CASTINGS SHALL BE 14 INCHES (14") WITHOUT ADDING NEW SECTIONS. 14. ALL CONNECTIONS OF SDR 35 PVC PIPE TO MANHOLES SHALL BE MADE BY USING A.C. OR GPK MANHOLE ADAPTERS, OR APPROVED EQUAL. '5. THE MAXIMUM LAYING LENGTHS SHALL NDT EXCEED 12'-6" FOR SDR 35 PIPE. 16, BEDDING FOR PVC PIPE SHALL BE 5/8" INCH MINUS CRUSHED ROCK, FOUR INCHES (4") MINIMUM UNDER, TO SIX INCHES (6") MINIMUM OVER PIPE, AS PER CITY OF AUBURN STANDARD DETAIL NO. GEPT-3. 17. BEDDING FOR CONCRETE AND DUCTILE IRON PIPE SHALL BE 5/8" INCH MINUS CRUSHED ROCK, SIX INCHES(6") MINIMUM UNDER, TO SIX INCITES (6") MINIMUM OVER TIME PIPE, AS PER THE CITY OF AUBURN STANDARD DETAIL NO. GEPT-2. 18. REFER TO AUBURN STANDARD TRENCH EXCAVATION AND BACKFILL DETAIL 110. GEPT-1, GEPT-2 AND GEPT-3 FOR CONSTRUCTION PROCEDURE, 19, ALL IMPORTED PIPE TRENCH BACKFILL MATERIAL SHALL BE CLASS "A" BANK RUN GRAVEL, MODIFIED BY THE CITY Of AUBURN. STORM DRAINAGE PLAN NOTES 1. REFER TO GENERAL CONSTRUCTION NOTES FOR GENERAL REQUIIREMENTS. 2. STORM LINES SHALL BE LAID TO THE GRAMS AND ELEVATIONS SHOVM ON THE DRAW04GS AND SHALL NOT IE CHANGED WITHOUT CITY APPROVAL. 3. CONTRACTOR MALL OBTAIN ANY NECESSARY STORM LINE CONNECTION PERMITS FROM THE CITY OF AUBURN PRIOR TO CONSTRUCTION. 4. ALL STORM DRAINS INLETS SHALL HAVE STENCILED "DUMP NO WASTE -DRAINS TO GROUNDWATER." 5. PIPE SLOTS SHALL BE 14" x 2" AT 3" O.C., 2 ROWS AT 120' APART IN BOTTOM HALF OF PIPE. DATUM_ A CITY OF AUBURN BENCHMARK #84, ELEV. 72.511, AT CENTERLINE OF 4th ST. NE AND 'E' ST. ME, LEGAL DESCRIPTION Q A PORTION OF SECTION 18, TOWNSHIP 21N, RAKE 5E DESCRIBED AS: LOTS 3,4,5 AND 6, FLOCK 3, AND VACATED ALLEY, IN LANGE'S FIRST AITOI" TO AUBURN AS RECORDED IN VOLUME 25 OF PLATS, PAGE 36, RECORDS OF KING COUNTY, WASHINGTON; ALSO THAT PORTION LYING ADJACENT TO AND MEASURED 55.00 FEET EASTERLY FROM THE EASTERLY LINE OF SAID LOTS 4 AND 5 AND LYING BETWEEN 3RD ST NE AND 4TH ST NE. GENERAL CONSTRUCTION NOTES FOR - GRADING., DRAINAGE, AND EROSION CONTROL Al 1. WITHIN THE CITY OF AUBURN, ALL REQUIRED 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 RUN-OFF DOES NOT IMPACT THE ADJACENT PROPERTIES OR THE NATURAL. DRAINAGE WAYS. 2. THE DETENTION, SEDIMENTATION AND EROSION CONTROL FACILITIES DEPICTED ON THIS DRAWING 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 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. 4. ON PROJECTS WITH GRADING PERMITS ONLY, AND FOR WHICH NO SUBSEQUENT BUILDING PERMIT HAS BEEN ISSUED, AN AS -BUILT DRAWING WILL BE REQUIRED UPON COMPLETION OF GRADING ACTIVITIES. TEST PIT LOGS DEPTH (FEET) SOIL CLASSIFICATION TEST PIT TP-1 0.0-0.5 2"-4" ASPHALT OVERLYING 4" CRUSHED ROCK 0.5-8.0 VERY LOOSE TO LASE, MOIST, BROWN, MEDIUM SAND TRACE SILT, SOME STUMPS AND WOOD DEBRIS FILL) MODERATE TO HEAVY CAVING NO SEEPAGE TEST PIT TP-2 0.0-0.5 2"-4" ASPHALT OVERLYING 4" CRUSHED ROCK 0.5-1.0 2" ASPHALT OVERLYING 4" CRUSHED ROCK 1.0-6.0 LOOSE, MOIST, BROWN, MEDIUM SAND. TRACE SILT, SOME STUMPS AND WOOD DEBRIS (FILL) 6.0-7.0 DENSE, MOIST, BROWN, SAND AND GRAVEL, SOME COBBLES, TRACE SILT MODERATE CAVING NO SEEPAGE TEST PITS OBSERVED BY RUPERT ENGINEERING, INC. ON 12-21-93 RECOMMENDATIONS FOR REGRADING 1. SAWCUT AND REMOVE EXISTING PAVEMENT. 2. OVEREXCAVATE EXISTING SOILS TO A MINIMUM DEPTH OF 3-FEET BELOW FINISHED GRADE. 3. REMOVE AND DISPOSE OF STLWS, WOOD DEBRIS, AND OTHER DELETERIOUS MATERIALS. 4. PROOFROLL AND COMPACT EXPOSED SUBGRADE TO 95% OF THE MAXIMUM DRY DENSITY PRIOR TO PLACEMENT OF GRADING SOILS. 5. PLACE USEABLE ONSITE SOTS TO MADE IN 95% COMPACTED LIFTS NOT TO EXCEED 6" IN THICKNESS. 6. PLACE A MINIMUM OF 2" OF ASPHALTIC CONCRETE OVER A MINIMUM OF 4" OF COMPACTED CRUSTED ROCK TO THE GRADES SHOWN ON SHEET C2. CONSTRUCTION SEQUENCE- 1. COMPLY NTH ALL REQUIREMENTS AND CONSTRUCTION SEQUENCES OF THE CITY OF AUBURN. 2. SCHEDULE AND ATTEND A PRE -CONSTRUCTION MEETING W11H THE CITY OF AUBURN PUBLIC WORKS DEPARTMENTIF REQUIRED. 3. CONSTRUCT TEMPORARY GRAVEL CONSTRUCTION ENTRANCE PER DETAIL WWN THE PAVING HAS BEEN REMOVED FROM THE DRIVEWAY. 4. REMOVE EXISTING PAVING. EXCAVA iE AND COMPACT SOIL PER NOTES THIS SHEET. 5. INSTALL THE NEW INFILTRATION SYSTEM. PROTECT THE INFILTRATION SYSTEM FROM SILTATION. PROVIDE INLET SEDIMENT PROTECTION PER THE DETAIL, 6. NO SILT -LADEN WATER WILL BE ALLOWED TO LEAVE THE SITE OR ENTER THE INFILTRATION SYSTEM. 7. THE CONTRACTOR SHALL COMPLY WITh "GENERAL CONSTRUCTION NOTES FOR GRADING, DRAINAGE AND EROSION CONTROL" AT ALL TIMES. PERIMETER SEDIMENT SUIT VIUNI1_Y MAr hmmmTH N. T. S. OWNER INFORMATION - MR. JIOHN GALLAGER DEPT. OF PARKS, PLANNING AND RESOURCES LUTHER BURBANK PARK 2040 84th AVE SE MERCER ISLAND, WA 98040 (206) 296-4132 CATCH BASIN W/ GRATE i ISOMETRIC L=\4EW ka- NOT PLACE FABRIC UNDER GRATE 2"x2"0' (MIN.) WOODEN 3' APART (MAX.) 2. APPLIES W/ SUBGRADE WORK. STAKES, DRIVEN INTO ONCE CRUSHED ROCK PLACEMENT PROCEEDS GROUND 18" (MIN.) FOR FINAL PAVING WRAP GRATE W/ FABRIC IN DEPTH AND REMOVE ABOVE COMPLETING CB 4 ADJUSTMENT AND MAKING WATER TIGHT. Y4" OR LESS WASHED . ROCK FILTER OVER w , " SLOPE = 2:1 FILTER FABRIC CATCH BASIN _f I I IH 1� ! 11 SEDIMENT SUMP ( r- T I RATE 6p I1 t 2»WIDE DEEP X BURIED FILTER $» , TYPICAL t f FABRIC (4 SIDES) SECTION A -A AREA INLET SEDIMENT FILTER. QUARRY SPALLS GRAVEL CONSTRUCTION ENTRANCE, N.T.S. N.T.S. n ON q Q o H ch a d Z 1n W Z L� W b 0 lJ I` J Z U <L � J C,� O O of n` f-- Z Z) W z 0 M-- Il' � F- V) O I O C3 I Ld q Y 0 0 0 0 Ld n F- 4, W V) w w J ,¢.l 0 c d (L 0) .a C Q 0 0 5 5 w w M w f 8 1� ql.. I I GRA 0002-94 DATE DEC. 1993 THESE PLANS ARE "APPROVED" FOR s,, , DRAWN R.D.B. CONFORMANCE WITH THE CITY OF AUBURN ENGINEERING DIVISION'S REQUIREMENTS CHECKCrt N.L.H. APPROVED BY: Qvv_% . S JOB IJO. 931 i-152 DATE APPROVED: 3 A' l gq SHEET No. 1 p A Z.3 M a o � a A 0o O o J_ 0 N V) o W W ` z W a `;J J 3 a z o c 0 O z cn cr I cr V) on w D m W z 0 ry 0 Lam.. W W to po ...... ... .... .... _.. _.. s V ci i I LEGEND V) A� w CL w CL I DESCRIPTION PROPOSED +- EXISTING z 0 z 0 N STORM DRAIN SD S:ID -- SANITARY SEWER SS SS A R" �E E CATCH BASIN ® �, MANHOLE i Imo; STORM DRAINAGE PLAN T " xx'v I SCALE: 1" = 10' - DATE r SPOT ELEVATIONS I^ NEW PANG N G LIM i TS - THESE PL#► ARE "APPROVED" FORDRAWN CHECKED N.L.H. CONFORMANICE WITH THE CITY OF AUBURN TEST PIT NUMBER TP-2 ENGINEERING DIVISIOt!'S REQUIREMENTS AND APPROXIMATE LOCATION APPROVED BY. f O,�w.,,,,,; S . Jog N°' 9311-152 SHEET NO. 0 CONTOUR �.--�- 96.0 --.� ._.--��- 9b.0 ---..�-----_ DATE APPROVED: C 2 Pry � 23 .. 180zOSD