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Home My WebLink AboutSWP2702271.1T. y INDEX OF DRAWINGS SHEET_ NO. 1 2 4 CITY OF RENTON, WASHINGTON HIGH AVENUE SOUTH STORMWATER OUTFACE IMPROVEMENTS SW 1/4 SEC 17 TWN 23N RGE 5E W.M. DESCRIPTION VICINITY MAP &TITLE SHEET PLAN AND PROFILE SHEET TYPICAL DETAILS TYPICAL DETAILS CONSTRUCTION NOTES 1) Contractor is responsible for providing stormwater bypass system for High Avenue South drainage during construction when existing 12" is taken out of service for construction of new HDPE pipe. Bypass must be approved by the Engineer. 2) Contractor shall take precautions at edge of the slope to prevent further landsliding. 3) Suggested Construction sequence: 1. Install erosion control features 2. Construct Outlet Structure 3. Move sprinklers, yard lights, and shrubs at top of slope 4. Fuse HDPE pipe and install along approximate alignment 5. Construct trenches and dispose of existing pipe and structure 6. Install new Type 2 48—inch CB 7. Connect HDPE pipe and place CDF B. Finalize pipe alignment and install lateral pipe anchors STORMWATER DRAINAGE NOTES 9. Restore Landscape 11 A copy of these approved plans must be on the job site whenever construction is in progress. 10. Construct cedar picket fence 2) Datum shall be U.S.G.S. unless otherwise approved by City of Renton. Reference benchmark and elevation are noted on the plans. 3) 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. EROSION CONTROL NOTES 4) All catch basin grates shall be depressed 0.10 feet below pavement level. 5) All building downspouts footing drains be to the drainage 1) All limits of clearing and areas of vegetation preservation as prescribed on the plan shall be clearly and shall connected storm system, unless flagged in the field and observed during construction. approved by the Development Services Division. An accurately dimensioned Certified as —built drawing of this drainage system shall be submitted to the City of Renton upon completion. 6) In to 6 inch 18 inch finished 2) All required sedimentation/erosion control facilities must be constructed and in operation prior to land unimproved areas, manhole extend minimum and maximum above grade. clearing and/or other construction to insure that sediment laden water does not enter the natural In paved area, cover must slope in all directions to match paving. drainage system. All erosion and sediment facilities shall be maintained in a satisfactory condition 7) All construction shall be in accordance with the 1994 edition of the "Standard Specifications for Road, until such time that clearing and/or construction is completed and potential for on —site erosion has Bridge and Municipal Construction" prepared by W.S.D.O.T., and the American Public Works Association (APWA), passed. The implementation, maintenance, replacement and additions to erosion/sedimentation as amended by the City of Renton and the special provisions for this project. control systems shall be the responsibility of the contractor. 8) The Contractor shall be responsible for providing adequate safeguard, safety devices, protective equipment, 3) The erosion and sedimentation control systems depicted on these plan sheets are intended to be minimum flaggers, and any other needed actions to protect the life, health, and safety of the public, and to requirements to meet anticipated site conditions. As construction progresses and unexpected or protect property in connection with the performance of work covered by the contract. Any work within seasonal conditions dictate, the contractor shall anticipate that more erosion and sedimentation control the traveled right—of—way that may interrupt normal traffic flow shall require an approved traffic control facilities will be necessary to insure complete siltation control on the proposed site. During the course plan by the Transportation Division. All sections of the W.S.D.O.T. Standard Specifications 1-07-23, of construction, it shall be the obligation and responsibility of the contractor to address any new Traffic Control, shoal apply. conditions that may be created by his activities and to provide additional facilities, over and above LEGEND minimum requirements, as may be needed to protect adjacent properties and water quality of the receiving drainage system. NEW CATCH BASIN / CONTROL STRUCTURE SANITARY SEWER MANHOLE 4) During the time period of November 1 through 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 WATER LINE W mulch, sodding, or plastic covering. STORMDRAIN LINE 5) In any area which has been stripped of vegetation and where no further work is anticipated for a period SD of 30 days or more, all disturbed areas must be immediately stabilized with mulching, grass planting or SANITARY SEWER LINE other approved erosion control treatment applicable to the time of year in question. Grass seeding SS alone will be acceptable only during the months of April through September inclusive. Seeding may POLE POLE proceed, however, whenever it is in the interest of the contractor, but must be augmented with mulching, netting, or other treatment approved by the City of Renton, outside the specified time period. GUY ANCHOR E— YARD LIGHT 6) Issuance of the Building or Construction Permit by the City of Renton does not relieve the contractor of the t' ' I 1 ;1 1; t' d 1' b'I't 4.4 'th con Nurng ego o rga non an /or ra r I y connec e wr storm water drsposrtron. Further, the Crty of Renton does not accept any obligation for the proper functioning and maintenance of the system providea during construction. 7) 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 EN T R A N C 0 within the traveled right—of—way that may interrupt normal traffic flow shall require an approved traffic control plan by the Transportation Division. All sections of the Renton Standard Section ENGINEERS - SCIENTISTS - PLANNERS - SURVEYORS 1-07.23, Traffic Control shall apply. WASHINGTON ARIZONA IDAHO 8) Special drainage measures will be required if the project location is within the aquifer protection area. 5 wio- -??71 N � N M W, � NA � ME, = Z _ Z 0 w Z NE 18TH ST BLVD z o a C a NE 12TH ST NE Pp�tK CA�p Z- -y oU' `yJOQ Z 900 = NE 10TH SE 1ST Z N 8TH ST = a RENTON = Z = x "F NE 10- ST Z ' �` MUNICIPA N W oz IRPORT _ 0 Z =< ` vm Y N 6TH ST _ O < a 7 N 4TH ST Z 40 NE 4TH ST " 3RD ST <o p '� AIRPORT WAY 5 ® NE + 3 s� H m PROJECT z S 2ND ST RD Q ®S 3RD ST N (A LOCATION S(/O 9�Q (y (n In ti R9 S a < 2 ❑ j soo Y Z ti gU�.VC�N yy goad € rn W 3 W. W 6TH ST In STa �nS 7M CT S 77H ST In s1 s o s� EDAR G WAY RENTON GRJ�Y Z = 405 eV RGlyc�,ON 16TH ST ass 1 fi7 Ly y ry 2 k4Y PUGET e9 S o 0 y AN j A �16STE¢� w� SHEETS 1 THRU 4 OF NAL `��,�►�� THESE PLANS SHALL BE DEEMED APPROVED BY THE SIGNATURE AND EXPMs 8� 9G SEAL ON THIS SHEET. NO. I REVISION BY I APPR. / 2--/% 6,� RECOMMENDED VOR APPROVAL y--- -- - CITY OF RENTON DEPARTMENT OF PUBLIC WORKS HIGH AVENUE SOUTH STORMWATER OUTFALL IMPROVEMENTS DESIGNED: BWJ DATE: 7110196 FILE NAME: HATITLE.DWG DRAWN: KAK CHECKED: JWM SCALE: N.T.S. FIELD BOOK: PAGE: DATE APPROVED: SHEET: 1 OF: 4 DIRECTOR OF PUBLIC WORKS