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Home My WebLink AboutCO 10 • CAG-17-174, CO #10-19 • CITY OF RENTON Public Works Department CONTRACT CHANGE ORDER AGREEMENT CONTRACT: Renton Hill Utility Replacement CAG-17-174 C.O.## 10 CONTRACTOR: Laser Underground&Earthworks, Inc. SUMMARY OF PROPOSED CHANGE: Provide all labor,equipment,subcontracting, bonding,insurance for the complete work required for the extra work as outlined below: ITEM Additional Quantities Under This Change Order Unit Qty. Unit Price Total Price C07. DECREASED QUANTITY: Ton (3600.51) $20.00 ($72,010.20) Select Imported Trench Backfill C08. INCREASED QUANTITY: SY 1848.00 $35.00 $64,680.00 Hot Mix Asphalt Patch C09. INCREASED QUANTITY: SY 366.00 $125.00 $45,750.00 Remove and replace sidewalk and driveway C10. DECREASED QUANTITY: LF (204.50) $50.00 ($10,225.00) Remove and replace concrete curb&gutter C12. DELETED ITEM: Ton (200.00) $30.00 ($6,000.00) Remove&Replace Unsuitable Foundation Material C13. INCREASED QUANTITY: EA 2.00 $500.00 $1,000.00 Site Specific Utility Potholing C15. DECREASED QUANTITY: LF (511.00) $55.00 ($28,105.00) 8"CI 52 Water pipe&Fittings w/Polywrap C16. DECREASED QUANTITY: LF (24.00) $55.00 ($1,320.00) 6"CI 52 Water pipe&Fittings w/Polywrap C17. DECREASED QUANTITY: IF (22.00) $55.00 ($1,210.00) 4"CI 52 Water pipe&Fittings w/Polywrap C19. DECREASED QUANTITY: EA (5.00) $1,000.00 ($5,000.00) 8"Gate Valve Assembly C20. INCREASED QUANTITY: EA 1.00 $800.00 $800.00 6"Gate Valve Assembly C21. INCREASED QUANTITY: EA 1.00 $600.00 $600.00 4"Gate Valve Assembly C22. DECREASED QUANTITY: CY (67.00) $50.00 ($3,350.00) Concrete for Thrust Blocking,Dead Man Anchor C23. DECREASED QUANTITY: EA (1.00) $6,000.00 ($6,000.00) Fire Hydrant Assembly C24. INCREASED QUANTITY: EA 4.00 $2,000.00 $8,000.00 1"Water Service Connection C26. INCREASED QUANTITY: EA 6.00 $4,000.00 $24,000.00 Connection to existing Water Main C27. INCREASED QUANTITY: EA 8.00 $2,500.00 $20,000.00 Cut,Cap and Block Existing Water Main • • H:\Fde Sys\WIR-Drinking Water Utility\W R.27-Water Project Files\WTR-27-03224-2015 Water Main Replacement\Pay Estimates\Change Orders\CO Eta(Water)Sch C\C.O.010-WATER 1 of 6 C28. DELETED ITEM: IF (16.00) $100.00 ($1,600.00) 10"AWWA C900 Sewer Pipe C30. INCREASED QUANTITY: • EA 18.00 $1,070.00 $19,260.00 Stormwater Construction Permit Monitoring C34. INCREASED QUANTITY: Ton 53.50 $114.90 $6,147.15 Additional HMA Overlay due to City approved deeper Road Grinding 300&400 block Renton Ave S C37. NEW ITEM: IS 1.00 $137,343.09 $137,343.09 • Additional unforeseen work items associated with"Bid Schedule C—Water"as described below: Contractor Daily Report Date Description&Cost 11722 2.1.18 Remove buried structure in conflict $1,943.84 with deadman 11723 2.2.18 Cut out sewer in conflict with water $3,047.60 wet tap 11725 2.5.18 6th and Cedar.Sewer conflict with $6,446.75 watermain.Install vertical bends 11726 2.6.18 6th and Cedar.Continue sewer $3,467.86 conflict vertical bend installation from 2.5.18 14097 2.7.18 Pothole existing water and duct $1,499.61 bank at 4th and Cedar to determine feasability of 8"tee location. 11735 2.15.18 4th ave s./Mills.Re-align watermain $964.51 around existing fiber duct bank added(2)45 degree bends to avoid conflict with unmarked utilities • • 11739 2.20.18 4th and Cedar.Form and pour $2,138.67 added bends and backfill with CDF 11743 2.28.18 Tunnel under duct bank to install 45 $4,446.78 degree bend at Sta.21+71. 15401 2.28.18 411 Cedar ave s.Hit uniocated $474.16 - conduit.Repaired by Century Link 15413 3.21.18 Separate pressure test for revised $1,077.20 alignment at 6th&Cedar. (See FA#11723) H:\Fite Sys\WTR-Drinking Water UtiBty\WI11-27-Water Project Files\WTRQ7-03224-2015 Water Main Replacement\Pay Estimates\Change Orders\CO 010(Water)Sch C\CO.#10-WATER 2 of 6 • 15433 4.18.18 Tie-in had to be rescheduled due to $2,962.29 valves in the existing system leaking by. Work for this change order is downtime for one connection and plating the hole. 15439 4.25.18 409 Cedar Ave;wall poured into $725.56 sidewalk. Saw and chip to save wall at meter box location. 14014 5.3.18 Excavate for City crew to repair $483.90 cracked water service saddle at 907 High Ave.S. 15449 5.7.18 2"gas conflict with 12"x8"wet trap $1,440.38 (water).Called PSE to verify that 2" was abandoned.PSE directed us to cut 2"out. 14335 5.24.18 Extra work for cut and cap at 1Oth $1,354.96 and Grant due to revised sewer alignment 14339 5.29.18 Break granite rock in conflict 6 $3,912.68 watermain installation 14341 5.30.18 Completed granite rock removal to $3,926.33 an acceptable trench depth. 12956 6.15.18 Repair water service leak in 3/4" $3,784.73 galvanized @ 801 Renton Ave S 12419 6.28.18 Tunnel under power lines not on $1,296.65 plans. Also found 2 unlocated steel pipes. 12422 6.29.18 Tunnel under power lines and $2,200.67 unmarked communication line not on plans. 12995 7.26.18 Trench for city of Renton water $1,946.22 crew,bacterial smapling station on High Ave S.Temp pave on 10.19.18. 12909 8.8.18 Found existing 4"cast iron pipe. $2,535.38 Called inspector for City of Renton to look at existing pipe and was told to call for emergency locates and City of Renton would cut into existing pipe to see if it is dead. 12911 8.9.18 Had to plan to go over 8"HP gas $5,820.71 main.Was told we had to go under. Removed 1-8"x 18'pipe to go under and stop digging and was told 12928 9.18.18 Had to flush and rechlorinate $721.38 because city inspector took a contaminated sample. H:\FOe Sys\Wirt-Drinking Water Utility\WTR-27-Water Project Files\WTR-27-03324-2015 Water Main Rcplacement\Pay ESUmates\Cange Orders\CO#10(Water)Stt.C\C.O.1110-WATER 3 of 6 12929 9.18.18 Ongoing work as part of FA#12928 $1,282.90 12931 9.19.18 Flush for4.5 hrs and replace road $1,750.42 plates as related to FA#12928 12933 9.20.18 Take new samples and replace road $729.38 plates as related to FA#12928 12940 10.02.18 Found 2"steel pipe while potholing $696.87 for 8"GV at Ste 15&27.City Crew unable to remove.Pipe removed by our crew. 12948 10.10.18 Found concrete under asphalt,will $1,257.26 not be able to grind.Brake up concrete with jack hammer. 12949 10.12.18 Connect 2"water service for park. $3,307.10 City data showed it was a 1". 15670 10.18.18 Temp.pave for sampling station on $2,838.28 High Ave.S. 15682 10.22.18 Provide support for SPU cathodic $1,355.09 protection. 15686 10.29.18 Cut and cap High and Beacon due to $5,224.04 existing water not in location shown on print. 15805 10.31.18 Pre dig for tie in @ Jones Ave 5& $8,479.41 install(2)deadman per change from city maintenance and existing water alignment different from plan. Export earthwork. 15687 10.31.18 Provide support for SPU cathodic $2,779.84 protection. 15692 11.01.18 Renton&7th-water connection $1,512.58 change. 15693 11.02.18 Renton&7th-connections, $1,918.54 cathodic protection. 15808 11.02.18 See FA#15805. Continued digging $3,870.87 and pulled forms on deadman. Export earthwork. 15696 11.05.18 Remove contaminated soil. $870.40 15695 11.05.18 7th&Grant-add cut and cap. $1,614.95 15698 11.06.18 See FA#15805. Finished digging, $7,031.20 performed tie-in,backfilled trench and added plate. Export earthwork. • H:\FIe Sys\WTR-Drinking Water Utility\WTR-27-Water Project Files\WTR-27-03329-2D15 Water Main Replacement\Pay Estimates\Change OrderACO AID(Water)Sd,GC.O.410-WATER 4 of 6 15700 11.07.18 See FA#15805. Remove plates and $3,147.01 backfill thrust blocks. 15809 11.14.18 10th&Grant-existing hydrant foot $926.90 - valve would not close. Dig for maintenance crew. 15812 12.10.18 Beacon&7th cut&cap revision $5,775.26 15788 12.17.18 7th&Beacon. Seattle intertie does $4,730.89 not match print. Changed cut&cap to connection. 15833 12.26.18 Beacon&High-Cathodic Protection $2,256.16 Isolation. 15821 1.09.19 Renton Ave-Dead man needed for $5,476.11 new in-line valve because existing water does not match print. Dig • and form for deadman. 15822 1.10.19 See FAST 15821.Pour deadman $1,400.26 15833 1.25.19 Renton Ave-existing oversized $1,856.16 thrust block in path of water main. Moved tie-in location 5'North. 15835 1.28.19 Moved water main location and $4,901.45 poured another deadman due to existing oversized thrust block. 15472 1.31.19 Abandon service between 343& $1,734.94 337 Renton. C38. NEW ITEM: LS 1.00 $3,650.00 $3,650.00 Additional Landscape materials and $3,650.00 labor due to raised grade of rebuilt roadways • Sub Total $196,410.04 Sales Tax(10%) $19,641.00 Total $216,051.04 H:\FIIe Sys\WTR-Drinking Water Utility\WTR-27-Water Project Files\WTR.27-03824-2015 Water Main Replacement\Pay Estimates\Change Orders\CO 010(Water)Sch C\C.O.010-WATER 5 of 6 ORIGINAL CONTRACT AMOUNT CURRENT CONTRACT AMOUNT ESIIMAI hU NET CHANGE ESTIMATED CONTRACT TOTAL AFTER CHANGE THIS ORDER $5,048,703.20 $6,842,195,56 $216,051.04 $7,058,246.60 SIGNATURES: Contractor: I F+sr-•5• Date: ? Project Engineer: I� „ I r'� /, Date: t / 3 l/ Approved By: ,t77144/ G'% 7 Date: to'3 t I I I Ronald Straka,Utility Sy t ms Director Approved By: - Date: • Gret erman,PW Admini tar Approved By: ' Date: `C,- Y' T Denis .w,Mayor /r / C / Approved By: L,yJ� //py Date: /1-(^i/ Shane Mol ey,Renton City Atto y 1 I Attest: Date: // Jason Se ,C • � "� "11111111i EN7-.1*,•, ,,`�N\NI IIIIfI0 ,s s. F SEAL 70RATED S \`` • `�� H:\File Sys\WTR-Drinking Water Utility\W R-27-Water Project Files\WTR-27.03B2e-2015 Water Main Replacement\Pay Estimates\Change Orders\CO B10(Water)Sell C\CO.Ins-WATER 6 of 6