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S.T. DESIGNED: M.W. DRAWN: J.N. CHECKED: M.W. BY DATE APPR APPROVED: K.E. Q0 U) z Gi c C4 i uj (L -H �7_ cNi to + NM _j z M Lj en V) C-) Lj AS SHOWN ONE INCH AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY VERncAi-. NN1910 HORIZONTAL' HAD VD 1910/1991 Alllf� DATUM STORM DRAINAGE NOTES 01 CONTRACTOR SHALL REMOVE AND WASTEHAUL EXISTING AREA INLET, CATCH BASIN, OR STORM DRAIN MANHOLE. 02 CONTRACTOR SHALL PROTECT EXISTING STORM PIPE DURING CONSTRUCTION CONTRACTOR SHALL CUT AND CONNECT EXISTING STORM DRAIN PIPE TO NEW CATCH BASIN. CONTRACTOR SHALL INSTALL PERMANENT CONCRETE PLUG IN UPSTREAM END OF EXISTING STORM DRAIN PIPE. 05 CAUTION: POTENTIAL UTILITY CONFLICT. CONTRACTOR TO USE "ETHAFOAM" PAD AS SEPARATION BETWEEN UTILITIES WHERE VERTICAL SEPARATION IS LESS THAN 6" CONTRACTOR SHALL REMOVE AND WASTEHAUL EXISTING STORM DRAIN PIPE. (DCONTRACTOR SHALL MAINTAIN 6" MINIMUM HORIZONTAL SEPARATION BETWEEN CATCH BASIN AND GAS LINE. CONTRACTOR SHALL IDENTIFY ANY SEPARATION LESS THAN 6" FOR REVIEW BY CITY. CONTRACTOR SHALL INSTALL WATER LINE PER SHEET 8 AND THE CITY SPECIFICATIONS CONTRACTOR SHALL DRILL 1 " HOLES AT 2" SPACING TO PROVIDE KNOCKOUT SUITABLE FOR PIPE CONNECTION. CONTRACTOR SHALL EXCAVATE AROUND ALL SIDES OF EXIST. CATCH BASIN WHEN MAKING CONNECTION TO ALLEVIATE SOIL PRESSURES. 10 CONTRACTOR SHALL MAINTAIN 12" MINIMUM HORIZONTAL SEPARATION BETWEEN CATCH BASIN AND WATER LINE. CONTRACTOR SHALL IDENTIFY ANY SEPARATION LESS THAN 12 Is FOR REVIEW BY CITY. 11 CONTRACTOR SHALL ABANDON EXISTING 8" Cl WATER LINE IN PLACE CONTRACTOR SHALL CORE DRILL EXISTING CATCH BASIN AND CONNECT NEW STORM DRAIN. CONTRACTOR SHALL EXCAVATE AROUND ALL SIDES OF EXIST. CATCH BASIN WHEN MAKING CONNECTION TO ALLEVIATE SOIL PRESSURES. CONTRACTOR SHALL FILL EXISTING PIPE WITH CONTROLLED DENSITY FILL BETWEEN CONCRETE PLUGS. GENERAL CONSTRUCTION NOTES 1. ALL TYPE 1 AND 2 CATCH BASINS SHALL HAVE VANED GRATES EXCEPT WHERE NOTED ON THE PLANS 2. ALL TYPE 2 CATCH BASINS SHALL HAVE FLAT TOPS 3. ADJUST TYPE 1 CATCH BASINS TO LOCATE AT LOW POINTS, IN FLOW LINES, AND TO CLEAR EXISTING UTILITIES 4. ALL STORM P IPE CONNECTIONS INTO PROPOSED CATCH BASINS SHALL BE FITTED WITH A MANHOLE ADAPTER AND USE AN "A—LOK" FLEXIBLE CONNECTOR OR EQUIVALENT. SEE SPECIFICATIONS. UTILITY NOTE THE CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING THE LOCATION, DIMENSION, AND DEPTH OF ALL EXISTING UTILITIES WITHIN THE PROJECT, WHETHER SHOWN ON THESE PLANS OR NOT, BY POTHOLING THE UTILITIES AND SURVEYING THE VERTICAL AND HORIZONTAL LOCATION PRIOR TO CONSTRUCTION. THE UTILITIES SHOWN ON THE PLANS ARE BASED UPON THE AVAILABLE INFORMATION AND ARE SUBJECT TO VARIATION. IF CONFLICTS OCCUR THE CONTRACTOR SHALL CONSULT THE PROJECT ENGINEER TO RESOLVE THE PROBLEM PRIOR TO PROCEEDING WITH CONSTRUCTION. RECOMMENUED FOR APPROVAL By:-j2&,4 Date:- llh0A__ By: ------- Date: -------- BYDate: BY: ------ ------ Date: -------- AS BUILT PER CONTRACTOR'S RECORD 10/0:9 B 951904. [All: 6/1 R CITY OF S.W. 7TH STREET DRAINAGE IMPROVEMENT PROJECT F8/03 IELDWOK: PAGE: PHASE 1 - MORRIS AVE. S. TO BURNETT AVE. S. RENTON - DRAWING NO: Planning/Building/Public Works Dept. PLAN AND PROFILE STA. 30+60 TO 34+00 SHEET. 4 OF, 9 SCANNED APR 2 2 .2cog CONSULTING ENGINEERS 701 DEXTER AVENUE NORTH SUITE 200 SEATTLE, WASHINGTON 98109 (206) 284-0860 L.THOMAS L.S. 16930 DATE: 5/14/03 1 NO. I REVISION