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HomeMy WebLinkAboutCO 1s CAG -13 -171, CO #1 -13 CITY OF RENTON Public Works Department CONTRACT CHANGE ORDER AGREEMENT CONTRACT: CAG -13 -171, NE Sth PL / Edmonds Ave NE Storm System Improv. Project C.O.t# i and NE Sth PL Water Main Replacement Project CONTRACTOR: R.L. Alia Company SUMMARY OF PROPOSED CHANGE: CO -1A Rebuild Side Sewers per EA The existing side sewers consist of approximately 3 -foot sections of codcrete or clay pipe, and have collapsed when excavating across them to install the new storm system. This item Is for the work to rebuild the side sewer connection across the new storm system, when needed. If a side sewer needs to be reconstructed back to the sewer main, Bid Item 31 will be used instead of this item. The new side sewer connection will span the storm system trench and may extend several feet beyond the trench as needed to rebuild and reconnect the side sewer. The work includes all costs for labor, equipment, materials (including PVC pipe, fittings, elbows, and couplings) needed to rebuild each side sewer. R.L. Alla provided a cost of $600.00 per each for rebuilding and reconnecting each side sewer. C0-1B Side Sewer Cleanout Riser Estimated Cost for Rebuild Side Sewer: $600.00 /EA x 20 EA = $12,000.00 per EA This item is to provide and install a new side sewer cieanout riser and cover where needed and when directed by the City. Cleanout Risers will be installed behind the sidewalk or pavement. Cleanout rises shall be per City Standard Detail 407 and 403.1 (details attached). The work includes all costs for labor, equipment, materials (including PVC pipe, fittings, couplings, cast iron ring and cover) needed for each Cleanout Riser. R.L. Alia provided a cost of $250.00 per each for Side Sewer Cleanout Riser. Estimated Cost for Side Sewer Cleanout Riser: $250.00 /EA x 8 EA = $2,000.00 ESTMATED TOTAL CHANGE ORDER COST = $14,000.00 Additional Working Days added to the Contract for this Change Order: none ORIGINAL CONTRACT AMOUNT CURRENT CONTRACT AMOUNT ESTIMATED NET CHANGE ESTIMATED CONTRACT THIS ORDER I TOTAL AFTER CHANGE $1,576,245.08 411gRL45.09 $14,000.00 $1,593,245.08 SIGNATURES: Contractor: Project Engines Approved By: Date: 12- '/$" 3 Date: 12-1,9-1-1 Date: / Y1 'I IS H: \File Sys\SWP - Surface Water Projects\SWP-27 - Surface Water Projects (CIP)\27 -2306 NE Sth- Edmonds \1012 Change Orders \CO.1 FINAL Sidesewer Rebulw.doc \DQP Aj RECESSED LIFT POCKET 9" — 11 N.C. SOCKET HD SCREW 1 X" LONG (BRONZE OR S.S.) Yt" z 2" RAISED PADS KFIlmos ice" n r► l e e to F1&"i SHrro,%^d n,5 - Topse:I aid sedgy ur CGr,%vc ki N 3" 6" CONCRETE CLASS 3000 SAND OR EXPANDABLE FOAM 45' (1/8) BEND �P AlO �--- 45' (1/8) BEND WATER TIGHT PLUG PIPE MATERIAL AS SPECIFIED BY THE ENGINEER NOTES: 1. 6" AND 6" CLEANOUTS ON SEWER MAINS SHALL BE EAST JORDAN IRON WORKS, INC. No. 3698 OR EOUAL CLEAN OUT SHALL BE A WATER TIGHT ASSEMBLY. 2. IN UNIMPROVED AREAS, POUR A 1' -0" THICK, 2' -0" SQUARE CONCRETE. CLASS 3000, PAD AROUND THE RING AND COVER. is PUBLIC WORKS 8 OR 6 INCH CLEAN -OUT &M' PLAN - m.1 DEPARTMENT FOR SANITARY SEWER MAINS SEPTEMBER 2011 r Awl MI-4-11k jtA rod.wdin,S! rop 5 e: 1 a., d Sea u r RECESSED G rk ° c k i LIFT POCKET N 3" 11 N.C. SOCKET HD 2 -0 SCREW 1 O LONG (BRONZE OR S.S.) S.) Yz" z 2" RAISED PADS ♦. 4`` \ \ / 6" CONCRETE CLASS 3000 SAND OR EXPANDABLE FOAM ~- 12 Y4" WATER TIGHT 14" PLUG 2'� 30 1 45' (1/8) BEND —� 0 �1� IIII� m ml 2- �GX, ,�o 45' (1/8) BEND PIPE MATERIAL AS SPECIFIED BY THE ENGINEER NOTES: 1. 8" AND 6" CLEANOUTS ON SEWER MAINS SHALL BE EAST JORDAN IRON WORKS, INC. No. 3698 OR EOUAL. CLEAN OUT SHALL BE A WATER TIGHT ASSEMBLY. 2. IN UNIMPROVED AREAS, POUR A 1' -0- THICK, 2 - -0- SOUARE CONCRETE, CLASS 3000, PAD AROUND THE RING AND COVER, PUBLIC WORKS 8 OR 6 INCH CLEAN -OUT SM. PLAN - 403'1 is DEPARTMENT FOR SANITARY SEWER MAINS SEPTEMBER 2011