Loading...
HomeMy WebLinkAboutD-227101INDEX O r DRAWINGS 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. I VICINITY MAP a NE 1,0 g? ?`` w NE In ® NE a €< � mw ' $ RENTON MUNICIP o g �_ Di RPORT > € NmNn e V N +m sr y Fa Nc �>H q uNroNr w�v wE + v ®S 2ND ST 169. PROJECT - "�� _ < ® 3RD LOCATION a N -.. s'JNSE1 " m n df SSA w� 51 RENTON `$ cew+ awxcp.�yy ,mx n 169 10 8 � R$COMMENDED POR APPROVAL 13Y l -n -fa �1 727/ CITY OF RENr. G� IISTS¢�a yo SHEETS 1 THRU 4 OF DEPARTMENT OF PUBLIC DNAL gs3j S" 11 THESE PLANS SHALL HIGH AVENUE SOL BE DEEMED APPROVED E 8 X94 BY THE SIGNATURE AND STORMWATER OUTFALL IMPF SEAL ON THIS SHEET. A �Is �� DESIGNED: BWJ DATE: 7110196 f S'pIDNAL R'N� DRAWN: KAK CHECKED: JWM SCALE: NO. REVISION By APPR. DATE APPROVED: F= I I I_ I I AI I I I = I I I I I A _ 19 18 17 16 15 14 13 12 11 10 9 8 7 6 148. I I I I IA I I I II I I I I 1 AI 6 7 8 9 10 11 12 13 14 15 16 17 18 1 I 2) Contractor shall take precautions at edge of the slope to prevent further landsllding. SHEET NO. DESCRIPTION 3) Suggested Construction sequence: 1 VICINITY MAP & TITLE SHEET 1. Install erosion control features - 2. Construct Outlet Structure 2 PLAN AND PROFILE SHEET 3. Move sprinklers, yard lights, and shrubs at top of slope l� - 3 TYPICAL DETAILS 4. Fuse HDPE pipe and install along approximate alignment 5. Construct trenches and dispose of existing pipe and structure 4 TYPICAL DETAILS 6. Install new Type 2 48 –inch CB 7. Connect HOPE pipe and place CDF 8. Finalize pipe alignment and install lateral pipe anchors STORMWATER DRAINAGE NOTES 9. Restore Landscape "I) 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 and footing drains shall be connected to the storm drainage system, unless 1) 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. 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. 2) All required sedimentation /erosion control facilities must be constructed and in operation prior to land 6) In unimproved areas, manhole to extend minimum 6inch and maximum 18 inch above finished 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), The 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 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 minimum requirements, as may be needed to protect adjacent properties and water quality of the - LEGEND receiving drainage system. NEW CATCH BASIN / CONTROL STRUCTURE o SANITARY SEWER MANHOLE - 4) During the time period of November 1 through March 31, all project disturbed soil areas greater than Q 5,000 square feet, that are to be left unworked for more than twelve (12) hours, shall be covered by WATER LINE 4V mulch, sodding, or plastic covering. STORMDRAIN LINE SD— 5) 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 SANITARY SEWER LINE other approved erosion control treatment applicable to the time of year in question. Gross 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 o 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 continuing legal obligation and /or liability connected with storm water disposition. Further, the City of Renton does not accept any obligation for the proper functioning and maintenance of the system provided 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 E N T R A C ® 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. I VICINITY MAP a NE 1,0 g? ?`` w NE In ® NE a €< � mw ' $ RENTON MUNICIP o g �_ Di RPORT > € NmNn e V N +m sr y Fa Nc �>H q uNroNr w�v wE + v ®S 2ND ST 169. PROJECT - "�� _ < ® 3RD LOCATION a N -.. s'JNSE1 " m n df SSA w� 51 RENTON `$ cew+ awxcp.�yy ,mx n 169 10 8 � R$COMMENDED POR APPROVAL 13Y l -n -fa �1 727/ CITY OF RENr. G� IISTS¢�a yo SHEETS 1 THRU 4 OF DEPARTMENT OF PUBLIC DNAL gs3j S" 11 THESE PLANS SHALL HIGH AVENUE SOL BE DEEMED APPROVED E 8 X94 BY THE SIGNATURE AND STORMWATER OUTFALL IMPF SEAL ON THIS SHEET. A �Is �� DESIGNED: BWJ DATE: 7110196 f S'pIDNAL R'N� DRAWN: KAK CHECKED: JWM SCALE: NO. REVISION By APPR. DATE APPROVED: F= I I I_ I I AI I I I = I I I I I A _ 19 18 17 16 15 14 13 12 11 10 9 8 7 6 148. I I I I IA I I I II I I I I 1 AI 6 7 8 9 10 11 12 13 14 15 16 17 18 1 I