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HomeMy WebLinkAboutTED2703471.2LL.II w LU Z LL W 7 i i-j a_ LL! cc THESE NOTES SHALL APPEAR ON PROJECTS FOR THE SURFACE WATER UTILITY. 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 1996 Standard Specifications for Road, Bridge and Municipal Construction prepared by WSDOT and the American Public Works Association (APWA), as amended by the City of Renton Public Works Department. 3. The surface water drainage system shall be constructed according to the approved plans, which are on file in the Public Works Department. Any deviation from the approved plans will require written approval from the City of Renton Public Works Department, Surface Water Utility Section. 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 the City of Renton Public Works Department. Reference benchmark and elevations 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. All retention/detention facilities must be installed and in operation prior to or in conjunction with all construction activity unless otherwise approved by the Public Works Department, Surface Water Utility Section. 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 Public Works Department, Surface Water Utility Section. 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 inches over and under PVC pipe. 10. Galvanized steel pipe and aluminized steel pipe for all drainage facilities shall have asphalt treatment #1 or better inside and outside. 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. All catch basin grates shall be depressed 0.10 feet below pavement level. 13. Open cut road crossings through existing public right of way will not be allowed unless specifically approved by City of Renton Planning/Building/Public Works Administrator. 14. Rock for erosion protection of roadside ditches, where required, shall be of sound quarry rock placed to a depth of one (1) foot and must meet the following specifications: 4 - 8 inch rock / 40 - 70% passing; 2 - 4 inch rock / 30 - 40% passing; and less than 2 inch rock / 10 - 20% passing. 15. All building downspouts and footing drains shall be connected to the storm drainage system, unless approved by the City plan reviewer or Surface Water Utility Section. An accurately dimensioned, certified as -built drawing of this drainage system will be submitted to the City upon completion. 16. Issuance of the building or construction permits 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 accept any 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 a traffic control plan approve by the Public Works Department, Transportation Systems Division. All sections of the WSDOT Standard Specifications 1-07-23 Traffic Control shall apply. 18. Special drainage measures will be required if the project location is within the aquifer protection area (APA). R it I I I I 16,1 F7-17 I I I I I @� I ry l� z_ ~ O X tV w III I` 16, E8-23 I I I c(1 I I ® TYPE 1 CB W/ OIL WATER SEPERATOR AND GRATE. 10 SAW CUT 4' TRENCH SEE STANDARD PLAN B012 REPLACE ASPHALT AND PAVEMENT REi 26.64 (APPR❑XIMATE) MATCH EXISTING PAVEMENT SECTI❑N IEi 24.14 6' ADS N-12 N IEf 23.64 12' ADS N-12 W 11 TYPE 1 CB W/ GRATE. 55 LF 12' ADS N-12 @ 1,13% REi 26.00 (APPR❑XIMATE) IE' 23.14 12 PCP E TYPE 1 CB W/ ❑IL WATER SEPERAT❑R AND GRATE. IEi 23.14 12' PCP W REi 26.64 (APPR❑XIMATE) 12 28 LF ADS N-12 @ 0.07% IE' 23.36 12' ADS N-12 E IE' 23.86 6' ADS N-12 S NOTE: IE' 23.36 12' ADS N-12 W BOUNDARY AND TOPOGRAPHY ARE BASED ON ® 44 LF 12' PCP @ 0,05% MAPPING PROVIDED TO E3RA BY DESIGNS LIMITED Q5 72' TYPE II CB W/ S❑LID LOCKING COVER AND OBSERVATIONS MADE IN THE FIELD. THE INFORMATION SHOWN DOES NOT CONSTITUTE A FIELD REi 27,00 (APPROXIMATE) IEi 20.63 12' PCP N (EXISTING, CALC.) SURVEY BY E 3R A. IEi 23.00 12' PVC NE IEi 20,53 12' PCP S (EXISTING, CALC.) NOTE: PROPOSED IMPERVI❑US SURFACES © 7 LF 6' ADS N-12 @ 1.0% MIN R❑❑F-4,283 SQ-FT CONNECTING TO ROOF AND F❑OTING PAVEMENT-3,120 SQ-FT DRAIN SYSTEMS TOTAL NEW AND REPLACED IMPERVI❑US SURFACE Q 14 LF 6' ADS N-12 @ 1.0% MIN PROPOSED FOR THE SITE-7,403 SQ-FT CONNECTING TO ROOF AND FOOTING DRAIN SYSTEMS EXISTING IMPERVI❑US SURFACES ® 4' PERFORATED F❑OTING DRAIN PIPE H ❑USE -1, 8 6 6 S Q- F T PARKING-981 SQ-FT 9Q 4' PVC CONNECTING TO ROOF DOWNSPOUTS GARAGE-410 SQ-FT D C n D M Z W X Ik OL O r wt tj i 10 DECK Call 2 Working Days Before You Dig 1-800-424-5555 Utilitlea Underground Location Center IZW3471ca NOTE:THIS SET OF PLANS SUPERSEDES ALL PREVI❑US PLAN SETS SW 1/4, SE 1/4, SEC 18, TWN 23N, ROE 5E, W,M, N®, Date Revision By E3F_;/_! 1 3/25/08 ADDED ARCHITECTURAL ITEMS TO PLAN CRL 1802 29th Ave. bra 2 5/5/08 RESPONSE TO CITY COMMENTS CRL E' ii, 3204 3 8/7/08 RESPONSE CITY COMMENTS CRL 4 5-356-33 4` 5-356-3374 tx U) CEMENT CONCRETE PEDESTRIAN PATH ELF 27,0 (APPR❑XIMATE) SAW CUT NEAT LINE IN EXISTING ASPHALT SAW CUT NEAT LINE IN EXISTING ASPHALT I I SITE ADDRESS: 530 SHATTUCK AVE S RENT❑N, WA 98057 i E : SMMITHERS 5TI•; ADD T,-, . `EIMD-N CHECKED FOR COMPLIANCE • CITY A.D Date Date FFit ,,IE=:-T: Rent,_ e Triplexes Renton ,I FEET TITLE: Drainage, _iding , k. Notes and ,',III � Widenino I'I �n DESI (3771NER: CRL DRAWN C=RL 'HECKEI = F: :'(-.E I ATE- S 5 f: 1013C- T1 ,50 I IEET: 2 FILE.- phrent. i. i