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Home My WebLink AboutWTR2703250.1SURFACE WATER DRAINAGE NOTES & SPECIFICATIONS 1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON PLAN REVIEWER. 2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE "1994 STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION" PREPARED BY W.S.D.O.T., AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA), AS AMENDED BY THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS. 3. NOT USED. 4. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 5. DATUM SHALL BE NAVD 88. UNLESS OTHERWISE APPROVED BY CITY OF RENTON DEPARTMENT OF PUBLIC WORKS. REFERENCE BENCHMARK AND ELEVATION ARE NOTED ON THE PLANS. 6. ALL SEDIMENTATION/EROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND BUILDING CONSTRUCTION, AND THEY MUST BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON -SITE EROSION HAS PASSED. 7. NOT USED. 8. GRASS SEED MAY BE APPLIED BY HYDROSEEDING. THE GRASS SEED MIXTURE, OTHER THAN CITY OF RENTON APPROVED STANDARD MIXES, SHALL BE SUBMITTED BY A LANDSCAPE ARCHITECT AND APPROVED BY THE DEPARTMENT OF PUBLIC WORKS, SURFACE WATER UTILITY. 9. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH SECTION 7-02.3(1) OF THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATION FOR ROAD AND BRIDGE CONSTRUCTION. THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED BEDDING MATERIAL TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE UNYIELDING BASE. ALL PIPE BEDDING SHALL BE APWA CLASS "C', WITH THE EXCEPTION OF PVC PIPE. ALL TRENCH BACKFILL SHALL BE COMPACTED TO MINIMUM 95% FOR PAVEMENT AND STRUCTURAL FILL AND 90% OTHERWISE PER ASTM D-1557-70. PEA GRAVEL BEDDING SHALL BE 6" OVER AND UNDER P.V.C. PIPE. 10. NOT USED. 11. STRUCTURES SHALL NOT BE PERMITTED WITHIN 10 FEET OF THE SPRING LINE OF ANY STORM DRAINAGE PIPE, OR 15 FEET FROM THE TOP OF ANY CHANNEL BANK. 12. NOT USED. 13. OPEN CUT ROAD CROSSINGS THROUGH EXISTING PUBLIC RIGHT OF WAY WILL NOT BE ALLOWED UNLESS SPECIFICALLY APPROVED BY THE CITY OF RENTON ADMINISTRATOR, DEPARTMENT OF PLANNING/BUILDING/PUBLIC WORKS. 14. ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PLACED TO A DEPTH OF I FOOT AND MUST MEET THE FOLLOWING SPECIFICATIONS: 4"-8"/407.-707. PASSING; 2"-4" ROCK/30%-40% PASSING; AND -2- ROCK/10%-20% PASSING. 16. ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMIT BY THE CITY OF RENTON DOES NOT RELIEVE THE OWNER OF THE CONTINUING LEGAL OBLIGATION AND/OR LIABILITY CONNECTED WITH STORM SURFACE WATER DISPOSITION. FURTHER, THE CITY OF RENTON DOES NOT ACCEPTANY OBLIGATION FOR THE PROPER FUNCTIONING AND MAINTENANCE OF THE SYSTEM PROVIDED DURING CONSTRUCTION. 17. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK COVERED BY THE CONTRACT. ANY WORK WITHIN THE 'TRAVELED RIGHT OF WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE AN APPROVED TRAFFIC CONTROL PLAN BY THE TRAFFIC ENGINEERING DIVISION OF THE DEPARTMENT OF PUBLIC WORKS. ALL SECTIONS OF THE W.S.D.03. STANDARD SPECIFICATIONS 1-07-23, TRAFFIC CONTROL, SHALL ArPLY. 18. SPECIAL DRAINAGE MEASURES WILL BE REQUIRED IF THE PROJECT LOCATION IS WITHIN THE AQUIFER PROTECTION AREA (APA). 1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS, DESIGN ENGINEER. 2. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED ON THE PLAN SHALL BE CLEARLY FLAGGED IN THE FIELD AND OBSERVED DURING CONSTRUCTION. 3. ALL REQUIRED SEDIMENTATION/EROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AND/OR OTHER CONSTRUCTION TO INSURE THAT SEDIMENT LADEN WATER DOES NOT ENTER THE NATURAL DRAINAGE SYSTEM. ALL EROSION AND SEDIMENT FACILITIES SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING AND/OR CONSTRUCTION 1` COMPLETED AND POTENTIAL FOR ON -SITE EROSION HAS PASSED. THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSION/SEDIMFNTATION CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE PERMITTEE, 4. THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE PERMITTEE SHALL ANTICIPATE, THAT MORE EROSION AND SEDIMENTATION CONTROL FACILITIES WILL BE NECESSARY TO INSURE COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF T14L PERMITTEE TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY HIS ACTIVITIES AND TO PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING DRAINAGrE SYSTEM. 5. APPROVAL OF THIS PLAN IS FOR EROSION/SEDIMENTATION CONTROL ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES. 6. DURING THE TIME PERIOD OF NOVEMBER 1 THROI "^!! MARCH 31, ALL PROJECT DISTURBED SOIL AREAS GREATER THAN 5,000 SQUARE FEET, THAT ARE TO BE LEFT UNWORKED FOR MORE THAN TWELVE (12) HOURS, SHALL BE COVERED BY MULCH, SODDING, OR PLASTIC COVERING, 7. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETATION AND WHERE NO FURTHER WORK IS ANTICIPATED FOR A PERIOD OF 30 DAYS OR MORE, ALL DISTURBED AREAS MUST BE IMMEDIATELY STABILIZED WITH MULCHING, GRASS PLANTING OR OTHER APPROVED EROSION CONTROL TREATMENT APPLICABLE TO THE TIME OF YEAR IN QUESTION. GRASS SEEDING ALONE WILL BE ACCEPTABLE ONLY DURING THE MONTHS OF APRIL THROUGH SEPTEMBER INCLUSIVE. SEEDING MAY PROCEED, HOWEVER, WHENEVER IT IS IN THE INTEREST OF THE PERMITTEE, BUT MUST BE AUGMENTED WITH MULCHING, NETTING, OR OTHER TREATMENT APPROVED BY THE CITY OF RENTON, OUTSIDE THE SPECIFIED TIME PERIOD. 10 ID 0 11 TACOMA S E A T T L E 2215 North 30th Street, Suite 300, Tacoma, WA 98403 316 Occidental Avenue South, Suite 320, Seattle, WA 98104 Civil Engineers EXISTING DESCRIPTION PROPOSED POWER/TELE. POLE GUY WIRE CATCH BASIN STORM DRAIN MH SANITARY SEWER MH SIGN HYDRANT CONTOURS -------- WATER LINE _w CHAIN LINK FENCE -X-X-X-X- SPOT ELEVATION XXX.XX_ ALTERNATE 1 SIDEWALK AND PLANTER STRIP (TYP) ALTERNATE 2 A A LEGEND DESCRIPTION STANDARD DUTY A/C PAVING ....... ......... CONCRETE PAVING NEW GRASS FIRE LANE MARKING Q> C A DRIVEWAY OR ALLEY SEE ZONING CODE FOR FOR MAX & MIN WIDTHS 10" COMMERCIAL ZONE 6" RESIDENTIAL ZONE SIDEWALK NEXT TO CURB L 10" COMMERCIAL ZONE (NO PLANTER STRIP) 6" RESIDENTIAL ZONE THICKENED BASE OF CURB & GUTTER TO MATCH APPROACH THICKNESS ON COMMERCIAL APPROACHES. (TYP) NOTES: 1, DUMMY JOINTS SHALL BE PLACED NOT TO EXCEED 15' C/C NOR LESS THAN 10- C/C. THEY SHALL NOT BE LESS THAN 3/16" IN THICKNESS AND SHALL BE 2-1/4" DEEP. 2. 1/2" THRU JOINTS SHALL BE PLACED AT BACK, SIDES AND FRONT (BEHIND CURB) OF APPROACH, AND IN CURB/GUTTER TO DUMMY JOINTS. 3. CEMENT CONCRETE SHALL BE CLASS 3000 AIR ENTRAINED, 4. ALL JOINTS SHALL BE CLEANED AND EDGED. 5. APPROACH SHALL NOT BE POURED INTEGRAL WITH CURB AND GUTTER, BUT MAY BE POURED INTEGRAL WITH STANDARD CURB (SEE DETAIL "A"). 6. SUBGRADE COMPACTION SHALL BE 95% MODIFIED PROCTOR. 7. APPROACH CENTERLINE TO MATCH THE DRIVEWAY/ALLEY CENTERLINE. THE APPROACH WIDTH WILL BE 10' WIDER THAN THE DRIVEWAY/ ALLEY WIDTH. Structural Engineers 0 NIX Landswe Architects S. OF A'S Communitv Planners Land Surveyors JL 1-yr Neighbors IONAL 253.383.2422 TEL : 206,267.2425 TEL FXPIRES NO. REVISION SURVEYOR AHBL 2215 NORTH 30TH STREET TACOMA, WA 98403 PHONE: 253-383-2422 FAX: 253-383 2572 CONTACT: JOHN BECKER, PILS CIVIL ENGINEER AHBL 2215 NORTH 30TH STREET TACOMA, WA 98403 PHONE: 253-383-2422 FAX: 253-383-2572 CONTACT: CAROL HURST, P.E. CURB AND GUTTER SHOWN HOWEVER, OTHER CURBS MAY BE USED. (SEE STANDARD PLANS) 10/22/96 hics, text. Added note Edited graphics, BY I DATE I APPR I SURNT TD DUSIGNTD. CN111 DRAXN_11 CN11 I CHECKM DGT SCALE, L-L < LL Cc 6' MIN LL_ 0 < 0 2 (TYP) 0-1 a- < o- < SEE DETAIL "A" SECTION A -A -6 JOINT - 3 16" SCORE LINE -1811 m 0 w CEMENT CONCETE APPROACH FOR DRIVEWAYS AND ALLEYS 00 0 y ADOPTED CITY OF RENTON + �/ STANDARD PLANS lip T7 Y � *X� )",� 1� LST DATE: 12'06 DWG. NAME: 1' RO IN VER FICAL NAVD 11118 NOTED ",IZ RONTAL T) 19 NA83;1�-)] I f DATUM ONE INCI I I AI FULL SCALE II NOT ONT, TN( F SC.kLF. ACCORDrNG] V ` Y MAIP V �C' MT NTS SP PAGE: F006 �i-325oc t" R CITY OF ML RENTON Plaiiniiig/Btiildillg,/]'LlbliC Works Dept. TRENCH NOTE IF WORKERS ENTER ANY TRENCH OR OTHER EXCAVATION FOUR OR MORE FEET IN DEPTH THAT DOES NOT MEET THE OPEN PIT REQUIREMENTS OF WSDOT SECTION 2-09.3(3)lj, IT SHALL BE SHORED AND CRIBBED. THE CONTRACTOR ALONE SHALL BE RESPONSIBLE' FOR WORKER SAFETY AND AHBL ASSUMES NO RESPONSIBILITY. ALL TRENCH SAFETY SYSTEMS SHALL MEET THE REQUIREMENTS OF THE WASHINGTON INDUSTRIAL SAFETY AND HEALTH ACT, CHAPTER 49.17 RCW. CHAPTER 49.17 RCW. UTILITY NOTE THE LOCATIONS OF EXISTING UNDERGROUND UTILITIES ARE APPROXIMATE ONLY AND HAVE NOT BEEN INDEPENDENTLY VERIFIED BY THE OWNED OR ITS REPRESENTATIVE. THE CONTRACTOR SHALL DETERMINE THE EXACT LOCATION OF ALL EXISTING UTILITIES BEFORE COMMENCING WORK AND AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES THAT HAPPEN DUE TO THE CONTRACTOR'S FAILURE TO LOCATE EXACTLY AND PRESERVE ANY AND ALL UNDERGROUND UTILITIES. AHBL ASSUMES NO LIABILITY FOR THE LOCATION OF UNDERGROUND UTILITIES, TOPOGRAPHIC NOTE THE EXISTING CULTURAL AND TOPOGRAPHIC DATA SHOWN ON THESE DRAWINGS HAS BEEN PREPARED, IN PART, BASED UPON INFORMATION FURNISHED BY OTHERS. WHILE THIS INFORMATION IS BELIEVED TO BE RELIABLE, AHBL CANNOT ENSURE ACCURACY AND THUS IS NOT RESPONSIBLE FOR THE ACCURACY OF THAT INFORMATION OR FOR ANY ERRORS OR OMISSIONS WHICH MAY HAVE BEEN INCORPORATED INTO THESE DRAWINGS AS A RESULT. FILL SPECIFICATION FILL MATERIAL SHALL NOT CONTAIN PETROLEUM PRODUCTS, OR SUBSTANCES WHICH ARE HAZARDOUS, DANGEROUS, TOXIC, OR WHICH OTHERWISE VIOLATE ANY STATE, FEDERAL, OR LOCAL LAW, ORDINANCE, CODE, REGULATION, RULE, ORDER, OR STANDARD, SHEET INDEX SHEET NO. SHEET TITLE C1.0 COVER SHEET C2.1 UTILITY AND PAVING PLAN C2.2 DETAILS AND NOTES CHECKED FOR COMPLIANCE TO CITY STANDARDS Date Date Date DAIL HILLCREST ELEMENTARY SCHOOL 5/23/05 PORTABLE CLASSROOMS 2005 RENTON SCHOOL DITRICT NO 405 Didvv C1.0 OF COVER SHEET SO-500 9 W05