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Home My WebLink AboutTED2702916.3NW 1/4, NW 1/4, SEC. 14, TWP. 23 N., RGE. 5 E., W.M. GRADING NOTES z 0 0 N 0 m 0 z 0 Qz az o w M Q WO az w r l M W z LLJ O z wz W C/') o of 3:< Q 1� ►� � \ c CD 0 c �� z Q z Q o a U Y U �i w o L o o W N U W K V= U d a_ CL Q 0 o w N N Q 0 TNN m -INI I I I o 1. ALL WORK AND MATERIALS SHALL BE IN ACCORDANCE WITH THE LATEST EDITION OF THE "STANDARD SPECIFICATIONS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION" PREPARED B Y W. S. D. 0. T. AND A. P. W. A. AS ADOPTED BY THE CI TY OF RENTON DEPARTMENT OF PUBLIC WORKS. 2. PRIOR TO ANY CONSTRUCTION ACTIVITY, THE CONTRACTOR SHALL SCHEDULE AND ATTEND A PRE- CONS TRUC7ON CONFERENCE WITH THE CITY OF RENTON CONSTRUCTION INSPECTION PERSONNEL BY PHONING 425-277- 5570. 3. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 4. ALL SITE WORK IMPROVEMENTS SHALL BE CONSTRUCTED IN ACCORDANCE WITH THESE APPROVED PLANS. ANY DEV/A RON FROM THESE PLANS WILL REQUIRE PRIOR APPROVAL FROM THE OWNER, ENGINEER AND APPROPRIATE PUBLIC AGENCIES. 5. IT SHALL BE THE SOLE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN STREET USE AND ANY OTHER RELA TED PERMITS PRIOR TO ANY CONSTRUCTION ACTIVITY. 6. ALL LOCA TIONS OF EXISTING UTILITIES SHOWN HEREON HA VE BEEN ESTABLISHED BY FIELD SURVEY OR OBTAINED FROM A VAILASLE RECORDS AND SHOULD THEREFORE BE CONSIDERED APPROXIMA IF ONL Y AND NOT NECESSARIL Y COMPLETE. IT /S THE SOLE RESPONSIBILITY OF THE CONTRACTOR TO INDEPENDENTLY VERIFY THE ACCURACY OF ALL UTILITY L OCA TONS SHOWN AND TO FUR THER DISCO VER AND A VOID AN Y 0 THER U TILI TIES NO T SHOWN HEREON WHICH MA Y BE AFFECTED BY THE IMPLEMENTATION OF THIS PLAN. THE CONTRACTOR SHALL CONTACT THE UNDERGROUND UTILITIES LOCA TION SERVICE (1-800-424-5555) A T LEAST 48 HOURS PRIOR TO CONSTRUCTOV. THE OWNER OR HIS REPRESENTA TI VE AND THE ENGINEER SHALL BE CONTACTED IMMEDIA TEL Y IF CONFLICTS EXIST. 7. LOCA 77ONS OF ROADWAYS, BUILDINGS AND PARKING AREAS SHOWN HEREON ARE APPROXIMA TE. FOR DIMENSIONED LOCA 77ONS OF 77-IESE IMPROVEMENTS, REFER TO THE ARCHI TEC TURA L SI 7F PLAN. IMPROVEMENT AND S TRUC 7URE LOCA TIONS SHALL BE FIELD SET BY THE ENGINEER AS REQUIRED. 8. THE FACILITIES SHOWN ON THE APPROVED EROSION/SEDIMENTATION CONTROL PLANS SHALL BE CONSTRUCTED/ IMPLEMENTED PRIOR TO ANY EXTENSIVE GRADING OR LAND CLEARING IN ACCORDANCE WITH THAT PLAN. THESE FACILITIES MUST BE SA TISFACTORIL Y MAINTAINED UNTIL CONSTRUCTION AND LANDSCAPING IS COMPLE7FD AND THE P07ENTIAL FOR ONSI TE EROSION HAS PASSED. 9. GRADING INTO AREAS OUTSIDE OF 7HIS PROPERTY /S SUBJECT TO THE WRITTEN CONSENT OF ADJOINING PROPERTY OWNERS FAILURE TO OBTAIN SUCH CONSENT MA Y REQUIRE ADDITIONAL ROCKERY OR OTHER SUITABLE SOIL STABILIZA TION SUCH THA T ALL GRADING OCCURS WITHIN THE PROJECT'S BOUNDARIESS, THE CONTRACTOR SHALL VERIFY THE S TA T US OF THE ADJOINING PROPER T Y O WNER'S CONSEN T B Y CON TA C TING THE DEVEL OPER PRIOR TO PERFORMING WORK OUTSIDE OF PROJECT BOUNDARIES. 10. GRADES SHOWN ON THIS PLAN REPRESENT THE ENGINEER'S ESTIMA TE OF APPROXIMA TE MINIMUM EARTHWORK AND OTHER GRADING/SOIL CONSIDERA 77ONS. THE CONTRACTOR MA Y AL TER THE GRADES SHOWN TO BETTER ACHIEVE THESE RESUL TS PROVIDED THA T ANY AL TERA TION IS SUBJECT TO THE PRIOR APPROVAL IN WRITING BY THE ENGINEER, OWNER, AND 77-IE APPROPR/A IF Cl TY OF REN TON DEPAR TMEN IS 11. N/A 12. NO FINAL GRADE CUT OR EMBANKMENT SLOPE SHALL EXCEED 2: 1 (HORIZ• VERT) WITHOUT STABILIZA TION BY ROCKERY (NOT TO EXCEED 8) OR BY RETAINING WALL, UNLESS SPECIFICALLY AUTHORIZED BY A LICENSED SOILS ENGINEER AND APPROVED BY CITY OF RENTON. ALL ROCKER/ES OVER 4 FEET HIGH AND ALL RETAINING WALLS OUTSIDE OF CITY OF RENTON RIGHT- OF- WA Y WILL REQUIRE A SEPARATE BUILDING PERMIT. 13. ALL ROCKERIES CONSTRUCTED ON THIS PROJECT SHALL CONFORM TO CITY OF RENTON STANDARD PLANS. A 4" MINIMUM DIAMETER PERFORATED, RIGID PVC PIPE (OR EQUAL --TO BE APPROVED BY THE ENGINEER) SHALL BE INSTALLED BEHIND THE ROCKERY A T OR BELOW THE BOTTOM OF THE LOWEST ROCK IN THE ROCKERY BACKFILL (SEE DETAIL). THIS PIPE SHALL BE DIRECTLY CONNECTED TO THE UNDERGROUND STORM DRAINAGE SYSTEM WITH NON-PERFORA TED, RIGID PVC PIPE OR AS OTHERWISE SHOWN ON THE PLANS. A SUFFICIENT NUMBER OF CLEANOUTS SHALL BE INSTALLED IN THIS DRAIN TO INSURE ADEQUA TE ACCESS FOR MAINTENANCE. 74. WHERE BERMING, FILLING, OR OTHER GRADING OCCURS WITHIN THE DRIPLINE OF ANY TREE DENOTED ON THESE PLANS TO BE SA VED, THE GRADING CONTRACTOR SHALL EXERCISE SPECIAL CARE TO ASSURE THA T THIS WORK DOES NOT RESUL T IN THE DEMISE OF 7HE TREE. TECHNIQUES SUCH AS ROCKERIES, TREE PROTECTION FENCES, OR OTHER METHODS RECOMMENDED BY THE LANDSCAPE ARCHITECT SHALL BE EMPLOYED. 15. ALL EARTHWORK UNDER PA VING TO BE USED BY VEHICULAR TRAFFIC SHALL BE COMPACTED TO A T LEAST 957 OF THE MAXIMUM DRY DENSITY PER A.S. T.M. D-1557- 78 (MODIFIED PROCTOR). 16. UNLESS 07HERWISE NOTED, ALL SPOT ELEVA TIONS SHOWN IN PA VED AREAS ARE TOP OF PA VING. 17. ALL PARKING, DRI VEWA Y AND LANDSCAPED AREAS SHALL HA VE A T LEAST A 1. 59' SLOPE TOWARD THE NEAREST STORM DRAINAGE INTERCEPTION/CONVEYANCE SYSTEM. PLAN DETAILS OR FIELD MODIFICA 77ONS SHALL NOT SUPERCEDE THIS REQUIREMEN T. 18. EXTRUDED CEMENT CONCRETE CURBING, WHERE SPECIFIED, SHALL BE CONSTRUCTED IN ACCORDANCE WITH CITY OF RENTON STANDARDS AND DETAILS OR DETAILS SHOWN ON THESE PLANS. 19. AN Y AREA WHICH HA S BEEN STRIPPED OF VEGETA TION AND WHERE NO FUR THER WORK IS AN TICIPA TED FOR A PERIOD OF 30 DA YS OR MORE SHALL BE IMMEDIA TEL Y STABILIZED WITH MULCHING, GRASS SEEDING OR OTHER APPROVED EROSION CONTROL TREA TMENT APPLICABLE TO THE TIME OF YEAR IN QUESTION GRASS SEEDING ALONE WILL BE ACCEPTABLE ONL Y DURING THE MONTHS OF APRIL THROUGH SEP TEMBER INCLUSIVE. SEEDING MA Y PROCEED WHENEVER IT IS IN THE INTEREST OF THE PERMITTEE, BUT MUST BE AUGMENTED WITH MULCHING, NETTING, OR OTHER CITY OF RENTON-APPROVED TREATMENT STRAW MULCH SHALL CONSIST OF A MINIMUM THICKNESS OF TWO INCHES SPREAD EVENLY 0 VER THE SURFA CE TO BE PRO TEC TED. NETTING MA Y BE REQUIRED TO HOL D MUL CH IN PL A CE ON S TEEP SL OPES. GRASS SEEDING SHALL BE ACCOMPLISHED THROUGH THE USE OF A CITY OF RENTON-APPROVED HYDROSEEDER AND SEED MIXTURE OR THROUGH PLACEMENT OF AN ACCEPTABLE SOD. 20. MAJOR EXPOSED, GRADED SLOPES SHALL BE PR07FCTED BY CLEAR PLASTIC SHEETING OR SIMILAR APPROVED METHOD UNTIL SUCH 77ME AS 7HE VEGETATIVE COVER HAS BEEN ESTABLISHED SUFFICIENTLY TO INHIBIT EROSION. 21. ANY OPEN CUTS OF EXISTING PUBLIC ROADWA YS SHALL BE BACKFILLED AND COMPACTED IN ACCORDANCE WITH CITY OF RENTON STANDARDS. ALL CUTS INTO EXIS77NG ASPHALT SHALL BE ALONG NEA T, CON77N000S, SAWED LINES. A TEMPORARY COLD MIX PA TCH SHALL BE PLACED IMMEDIA TEL Y AF7FR BACKFILL AND COMPACTION. THE EXISTING SURFA CING MUST BE REPLA CED /N KIND (OR 4 INCHES OF COMPA CTED CLA SS 'B " A SHHLL T CONCRETE, WHICHEVER IS GREA TER) WI THIN JO DA YS OF TEMPORAR Y PA TCHING. THE CON TPA C TOR SHALL CL OSEL Y FOLL OW REQUIREMEN TS OF THE RIGHT -OF -WA Y PERMIT--SPECIFICALL Y, ALLOWABLE WORKING HOURS, DETOUR AND WARNING SIGNS, AND NOTIFICA TION OF ROAD AL TERA TIONS TO THE POLICE AND/OR OTHER EMERGENCY SERVICES. 22 THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARDS, SAFETY DEVICES, PROTECTIVE EQUIPMENT FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PRO TECT PROPER TY IN CONNEC TION WI TH THE PERFORMANCE OF WORK CO VERED B Y THE CONTRA C T. AN Y WORK WITHIN THE IRA VELED RIGHT -OF -WA Y THA T MA Y INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE A T LEAST ONE FLAGGER FOR EACH LANE OF TRAFFIC AFFECTED. ALL SEC 77ONS OF THE W. S. D. 0. T. STANDARD SPECIFICA TIONS 1-07.23 - 7RAFFIC CONTROL SHALL APPLY. 23. THE CONTRACTOR SHALL KEEP OFF -SITE STREETS CLEAN AT ALL TIMES BY SWEEPING. WASHING OF THESE STREETS WILL NOT BE ALLOWED WITHOUT PRIOR CITY OF RENTON APPROVAL. 24. IT SHALL BE THE SOLE RESPONSIBILITY OF THE CONTRACTOR TO ARRANGE RELOCATION OR REMOVAL OF EXISTING UTILITY POLES, STREET LIGHTS, TRAFFIC SIGNALS, ETC. BY CONTACTING THE APPROPRIATE UTILITY COMPANIES. REFER TO THE PLANS FOR SPECIFICS. 25. ISSUANCE OF THIS BUILDING PERMIT BY CITY OF RENTON DOES NOT RELIEVE THE OWNER OF THIS CONTINUING LEGAL OBLIGA77ON AND/OR LIABILITY CONNEC7ED WITH STORM AND SURFACE WATER DISPOSITION AND FURTHER, CITY OF REN TON DOES NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNCTIONING AND MAIN7ENANCE OF THE SYSTEM PROVIDED. Lt EXTEND ROAD TO FULL WIDTH 42' STRUCTURAL FILL SLOPE 33' 6 53.5 MATCH EXISTING EXlS77NG CONCRETE ROAD VARIES >8 GRADE OR FEA THER 5' 9' Zy _ 29 INTO NEW DESIGN GRADE. zEXISITNG ;?OUND LINE SEE TYPICAL PA VEMENT SEC77ON ON THIS SHEET SEAL EDGE AS NECESSARY 5' CEMENT CONCRETE SIDEWALK CEMENT CONCRETE VER77CAL CURB REMOVE EXIST A. C. SHOULDER AND AND GUTTER OVEREXCA VA IE OI TCH AND SHOULDER AREA TO PROVIDE A SUITABLE SUB -BASE STA. 52+90 TO STA. 56+60 N. E. 4 TH S T. HALF-S TREE /MPRO VEMEN TS NO SCALE RAW 42' 5' 16' 1� 4" THICK CEMENT CONCRE7F SIDEWALK (6" THICK IN DRIVEWAYS) 16' R/W 5' 0. 5' 29 ;EMENT CONCRE7F VER77CAZ CURB & GUT7FR TYPICAL ON -SITE ROAD SECTION NO SCALE 4" MINIMUM COMPACTED DEPTH CLASS B " ASPHAL T CONCRETE. 1 1/2" MIN/MUM COMPACTED DEPTH 5/8" MINUS CRUSHED SURFACING TOP COURSE. 4 1/2" MIN/MUM COMPACTED DEPTH 1 1/2" MINUS CRUSHED SURFACING BASE COURSE: 12" GRAVEL BASE CLASS 'B" MAY BE REQUIRED DEPENDING ON SOILS CONDITION. COMPACTED SUSGRADE, FREE OF FINE-GRAINED OR ORGANIC SOILS. PUBLIC ROAD PA VEMEN T SECTION NO SCALE F/L TER FABRIC MIRAFI 140S OR EQUAL, 2»- 4» \/ QUARRY SPALLS i " o' CHINK VOIDS A T BACK OF WALL GREA TER THAN 6" 6: 1 BATTER �� 00 m� a� m(� I ao0 V� 1/2" BASE COURSE, 12" M/N. 6" PERF. PVC DRAIN WITH CLEAN OUTS INSTALL HOLES UP. ROCKERY GENERAL NO TES 1. Long dimensions of the rocks shall extend into the earth to provide maximum stability. 2. Rock shall be placed so os to lock into two rocks in the lower tier. 3 Rock used for rockeries shall be sound ledge rock of a uniform color and obtained from a commercial quarry. Rock is to be free from seams or loose stratification. The rock shall have o density of at least 145 pounds per cubic foot. 4. Rockeries over 4 ft. in height require design and certification by o professional engineer and buildinq permit from City of Renton. NA T/ VE CUT ROCKERY DETAIL NO SCALE rzTr uwwmf " j f I IF A R qb 29t6t?A ERIC � ,�� . •OF WASjy.9 1/2 " EDGED 6 " ' o •. A' 3371 .' F �� SS/ONAL GROOVE "51 EN6 0.05 6-12-01 1/2 " R 4205 748th Ave. N.E. Suite 200 Bellevue, Washington 98007 CEMENT CONCRETE 18" 425.885.7877 Fax 425.885.7963 CLASS 5 (1-1/2) DESIGN *NOTE.- TOP OF CURB @ DRIVEWAYS ENGINEERING • PLANNING SURVEYING VER T/ CAL CURB DE TAIL ASBUILT NO SCALE SCANNED SEP 13 2002 �� ,' � ' ��"/'�6 � �% L� /J � _- k z y/E'a SCAiNNEO 99102C331