Loading...
HomeMy WebLinkAboutWWP2703361.1All U) 0 w a a N Uj W a a Q U 0 a 0 N a w Q 0 0 a W x w a z J r. O r o O 6 ( ,n N x z i ZU o w r, a 0 N pw = z z � ® �- � Q Q � < � V) W (f) I Q L �n �_ o �_ �!o w O w V O O = �za W it N z �Z8 II �� c Z LLo� aZ Cn Ln L w� cv o CD W W v W Y z Z O Cl- d Cn U) N 0 O w V a Q aw n 0 w Q s o ® o • W o �- N (U � 0 C-1) V N .N r 0 r o o Q m n w o 0 Q zoLC) 0 U Y oQa wLn �Ln Q o J x �00 U CD w o z 0 r z w = w U 0 () 0 J F- (n Q w = W W _ � J w w o A Ld � J °D a < o o � w w cn a->10-D 0 A w w w > vi vi a H N H > > Z SANITARY SEWER NOTES AND SPECIFICATIONS 1. ALL WORK MATERIALS SHALL BE IN CONFORMANCE WITH THE STANDARDS AND SPECIFICATION OF THE CITY OF RENTON UTILITY DEPARTMENT AND THE LATEST EDITION OF THE WSDOT/APWA STANDARDS AND SPECIFICATIONS. 2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH "STANDARD SPECIFICATIONS FOR MUNICIPAL PUBLIC WORKS CONSTRUCTION" PREPARED BY WASHINGTON STATE CHAPTER AMERICAN PUBLIC WORKS ASSOCIATION, LATEST EDITION (APWA) AND CITY OF RENTON STANDARD SPECIFICATIONS. 3. ALL LOCATIONS OF EXISTING UTILITIES SHOWN ARE APPROXIMATE AND IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO VERIFY THE TRUE AND CORRECT LOCATION SO AS TO AVOID DAMAGE OR DISTURBANCE. 4. CONTRACTOR IS SOLELY RESPONSIBLE FOR THE MEANS, METHODS AND SEQUENCES OF CONSTRUCTION AND FOR THE SAFETY OF WORKERS AND OTHERS ON THE CONSTRUCTION SITE. 5. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN STREET USE AND ANY OTHER RELATED PERMITS PRIOR TO ANY CONSTRUCTION. 6. PLANS APPROVED BY THE CITY OF RENTON, PUBLIC WORKS DEPARTMENT SHALL TAKE PRECEDENCE OVER ALL OTHER PLANS. 7. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 8. THE CONTRACTOR SHALL PROVIDE THE CITY OF RENTON WITH AN AS -BUILT DRAWING OF THE SANITARY SEWER SYSTEM, WHICH HAS BEEN STAMPED AND SIGNED BY A LICENSED PROFESSIONAL ENGINEER OR LICENSED PROFESSIONAL SURVEYOR. 9. BACKFILL SHALL BE PLACED EQUALLY ON BOTH SIDES OF THE PIPE IN LAYERS WITH A LOOSE AVERAGE DEPTH OF 6 INCHES, MAXIMUM DEPTH OF 8 INCHES, THOROUGHLY TAMPING EACH LAYER TO 95 PERCENT OF MAXIMUM DENSITY. THESE COMPACTED LAYERS MUST EXTEND FOR ONE PIPE DIAMETER ON EACH SIDE OF THE PIPE OR TO THE SIDE OF THE TRENCH. MATERIALS TO COMPLETE THE FILL OVER PIPE SHALL BE THE SAME AS DESCRIBED. 10. OPEN CUT ROAD CROSSINGS FOR UTILITY TRENCHES ON EXISTING TRAVELED ROADWAY SHALL BE BACKFILLED WITH CRUSHED ROCK AND MECHANICALLY COMPACTED. CUTS INTO THE EXISTING ASPHALT SHALL BE NEATLINE CUT WITH SAW IN A CONTINUOUS LINE. A TEMPORARY MIX PATCH MUST BE PLACED IMMEDIATELY AFTER BACKFILL AND COMPACTION. A PERMANENT HOT MIX PATCH SHALL BE PLACED WITHIN 10 DAYS AND SHALL BE PER CITY OF RENTON CURRENT STANDARDS. 11. DATUM SHALL BE CITY OF RENTON, 1988 NAVD. 12. ALL DISTURBED AREAS SHALL BE SEEDED AND MULCHED OR OTHERWISE STABILIZED TO THE SATISFACTION OF THE DEPARTMENT FOR THE PREVENTION OF ON -SITE EROSION AFTER THE COMPLETION OF CONSTRUCTION. 13. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH SECTION 7 OF THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATIONS 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. PIPE BEDDING SHALL BE PEA GRAVEL 6 INCHES ABOVE AND BELOW THE PIPE. 14. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM D 3034, SDR 35, OR DUCTILE IRON CLASS 50. 15. IN UNIMPROVED AREAS, MANHOLE TO EXTEND MINIMUM 6 INCHES AND MAXIMUM 12 INCHES ABOVE FINISHED GRADE. IN PAVED AREA, COVER MUST SLOPE IN ALL DIRECTIONS TO MATCH PAVING. BENCHMARK: CITY OF RENTON MON # 2117 3 1 /2" BRASS DISK STAMPED "CITY OF RENTON BM" IN THE NW CORNER OF CONCRETE BASE OF SIGNAL BRIDGE AT THE RAILROAD CROSSING AT THE NORTH ENTRANCE OF GENE COULON PARK. SIGNAL BASE IS LOCATED SOUTH OF THE ENTRANCE ROAD INTO GENE COULON PARK AND WEST OF RR TRACTS. ELEVATION = 37.25' (11.355m) NAVD 1988 SW 1/4 OF SECTION 5, TOWNSHIP 23 NORTH, RANGE 5 EAST, W.M. / LAKE PARK TOWNHOMES SSCO IE=39.53 \ 48V STA. 2+14 \ 0 \ ,W 114 LF 6" �+ S'5� 380 _------ , DI 2.00% g% \ -.� g. _ _ UNIT 1 � � o GARAGE FF= SLAB v v ENTRY 46.35 SSCO , . 29' � LAB IE=39.12 a \ \ STA. 1+93 46.0' SEE COR STD. DETAIL \ GARAGE , \V ( UNIT 2 C"" BW 18B, TYP.) L 44.1' FF=� SLAB ( k \ENTRY 46.35 \ \ �3p \ s� STA. 2+00 SLAB r \ pv vvv �A\N UNIT 3\ GARAGE �- �45.1' FF= SLAB SSCO / ENTRY 47.35 v IE=38.70 SLAB y v �� J: 47.0' UNIT 4' GARAGE �\ SSCO ,�` . c �.' FF= SLAB \00 \ i451 9.0 IE=38.29 STA. 1+52 ? 47.35 \ ENTRY 5�, SLAB ARAGE \ \ : SLAB; ` I FF= vv \ 48.0' UNIT 5 GARAGE \ 46.35 \ \ \ \\ UNITS 7 & 8' SSCO 46.1' FF= SLAB ` \ vv IE=37.87 �v s ENTRY 48.35 / " \ I 49.0' \ STA. 1+31 v �l SLAB v ENTRY 2 A \ i o SLAB 48.0 ti UNIT 6 1 GARAGE i 2.0 q ssco FF= SLAB j t ' IE=37.45 STA. 1+10 \ 46.1' �r ENTRY 48.35 % \Ab \ , ssco \ \\ STA. 1+00 OFFSET 83'R STA. 1 +00 DI 8.89`io G 0az 6" WYE STUB INTO EX. SS MAIN IE=37.12 (SEE COR STD. DETAIL BR 08) e PIPE BEDDING \ \ PER COR STD. DETAIL BW 18C. t _ \ 5-336105 ffem" �rx 824 F�S/0NA L EXPIRES O4/23/07 CONCEPT ENGINEERING, INC. 455 Rainier Boulevard North _ Issaquah, Washington 98027 _ (425) 392-8055 FAX (425) 392-0108 Copyright c� 1999 Concept Engineering, Inc. All rights reserved. GRAPHIC SCALE 20 0 10 20 IN FEET ) 1 inch = 20 ft. ASJ3UILT-S W301200 CITY OF RENTON APPROVAL FOR SITE CONSTRUCTION 1. Date Comments: Date Date Date v I i 1122MI