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HomeMy WebLinkAboutContract 38806-CO7 (2)OIHRIBUTION: WHITE-FIL E CANARY -CON STRUCTION FIL E PINK -PROJ ECT MANAGER GO LDE NROD C~NTRACTOR CITY OF FORT WORTH CHANGE ORDER REQUEST CITY SECRETARY CONTRACT NO. 3x¥QIR -{QJ .~, I ..... {GE ORDER NO. SEVEN DATE: September 19 , D.O.E . NO . (NIA) PROJECT NO. 00456 I 2012 PROJECT DESCRIPTION : WESTSIDE WATER TREATMENT PLANT PROJECT CITY SECRETARY CONTRACT NO . 38806 ORIGINAL CONTRACT AMOUNT ....................................................... $ 47 044 014.00 EXTRAS TO DA TE ............ . ················ ......... $ 266 121.67 CREDITS TO DA TE .......... . ':~l{ ;ZACT COST TO DATE ................... . AMOUNT OF PROPOSED CHANGE ORDER .. REVISED CONTRACT AMOUNT ................. . ADDITIONAL FUNDING (IF NECESSARY) .......................................... . . ............................. $ 145 343 .00 REMAINING FUNDS AVAILABLE FOR CHANGE ORDER ................................................................................................................................. $ =o.=oo ___ _ IN ACCORDANCE WITH THIS CHANGE ORDER, THE CONTRACTOR SHALL : modify/c hange the contract as shown below to provide a complete, functional , and operational plant . Change Order No . 7 to the Westside Water Treatment Plant Project co nsists of miscellaneous items identified during the course of construction by the Engineer, Construction Manager, and Contractor requiring modification. Proposed changes include the following additions to the scope of work . I . CPR-57 , Clearwell gro undwater pumping (COST) ..................................................................................................................................................... $3,670.00 2 ... C,PR -60 , Additional CMU partition bracing, fireproofing , and sound attenuation plates at membrane building stairwells (COST) .......................... $8 , I 04.00 ri ."CPR-63 , Miscellaneous architectural changes , including to front entrance columns , art niche, and conference room (COST) ................................. $10,341 .00 2. CPR-69, Upgrade of sample pump materials (COST) ................................................................................................................................................. $4 ,459.00 3 . CPR-71 , Addition of membrane rack control cable (COST) ....................................................................................................................................... $1 ,458 .00 4 . CPR-72, Additional fire smoke alarms and damper power and controls (COST) ....................................................................................................... $4 ,364 .00 5 . CPR-74, Additional heat trace panels , conduit and wiring for chemical building and trench piping (COST) ............................................................ $13,044 .00 6. CPR-75 , Additional degassing valves on sodium hypochlorite piping (COST) .......................................................................................................... $6 ,54 l .OO 7. CPR-79 , Art niche li ghting fixture revision (COST) ................................................................................................................................................... $1 ,765 .00 8. CPR-81 , Irrigation system modifications (COST) ....................................................................................................................................................... $6 ,477 .00 9. CPR-85 , Add stainless steel flange fillers to lug style butterfly valves to restrain valve seat (COST) ......................................................................... $45 ,568.00 I 0. CPR-86 , Additional communication cabling at electrical building between HVAC system and SCADA system (COST) ....................................... $2 ,949 .00 I 0. CPR-88 , Add pulsation dampener at caustic recirculation pump as required to prevent damage to piping (COST) ................................................ $2 ,638 .00 ,I 0 .. ,~~~-89, Fire door magnet provisions and connection to fire alarm system (COST) ................................................................................................ $2 ,020 .00 1 l. CPR-90 , Electrical wiring, conduit, and enclosures necessary to power emergency eyewash station alarms (COST) .............................................. $6 , 726 .00 12 . CPR-91 , Additional wiring to nitrogen generator for ozone system (COST) ............................................................................................................ $3 ,483 .00 13 . CPR-93 , Additional Electrification Bar for Membrane Building Monorail (COST) ................................................................................................. $2 ,967 .00 14 . CPR-94, In stall ozone pipe expansion joints (COST) ............................................................................................................................................... $18 ,769 .00 NET CHANGE ORDER AMOUNT ............................................................................................................................................................................. $145,34 3.00 0 I '") C) I N :z:: In addition to the costs of this change order, during the course of this contract the Co ntractor has identified and submitted in accordance with the contract requirements for a total of 58 rain days, with the majo ri ty of those occurring during the first six months of the project during the fall of 2009 . The 58 additional days extends the substantial completion date from February 4, 2012 to April 2, 2012 and the final completion from August 2, 2012 to September 29, 2012 . In addition, CPR-85 extends the su bstantial completion date by 15 calendar days as required to compensate the contractor for extra work activities associated with putting the membrane racks into service. CPR-94 extends the substantial and final completion date by IO calendar days for work associated with putting the ozone system into service. The additional rain days and 25 calendar days recommended for extra wo rk activities result in a revised contractual substantial completion date of April 27 and final completion date of October 9 , 2012 . Staff has reviewed this change order and is in agreement with the scope of work and the costs associated with the work . Doc umentation providing additional information for each itemized change is attached to and made part of this change order. It is understood and agreed that the acceptance of this Change Order by the contractor constitutes an accord and satisfaction and re resents a ment in full both in time and mone for all costs arisin out of the Chan e Order. ORIGINAL CONTRACT TIME ADDITIONAL APPROVED TIME TO DA TE APPROVED CONTRACT TIME ADDITIONAL TIME FOR THlS CHANGE TO DA TE ORDER None 1,095 Calendar Da s 68 Calendar Da s DATE 1/ut/. PROJECTMANAGER Cl !l,J DATE C, I "Z S /1 DATE DIRECTOR/MANAGING DEPT . DATE ~(:ZCf \ DATE CITY MANAGER DATE ~,c... COUNC IL ACTION (IF REQUIRED): C. _ z._ ,8 S-\ DAT E ~APPROVED D DISAPPROVED D OTHER M&CRev iew Page 1 of 2 Official site of the City of Fort Worth, Texas CITY COUNCIL AGENDA FORT WORTH ~ COUNCIL ACTION: Approved on 9/18/2012 DATE: 911812012 REFERENCE NO.: CODE: C TYPE: **C-25851 LOG NAME: PUBLIC CONSENT HEARING: 60WESTSI DEWTPC07- MCCARTHY NO SUBJECT: Authorize Execution of Change Order No . 7 to City Secretary Contract No . 38806 with McCarthy Building Companies , Inc ., in the Amount of $145 ,343 .00 for Construction of the Westside Water Treatment Plant Located at 12200 Old Weatherford Road , Thereby Increasing the Contract Amount to $47,45q,478.67 (COUNCIL DISTRICT 7) RECOMMENDATION: It is recommended that the City Council authorize the execution of Change Order No. 7 to City Secretary Contract No. 38806 with McCarthy Building Companies , Inc ., in the amount of $145 ,343 .00 for construction of the Westside Water Treatment Plant, located at 12200 Old Weatherford Road , thereby increasing the contract amount to $47,455 ,478 .67 . DISCUSSION: On June 23 , 2009, (M&C C-23623) the City Council authorized the City Manager to execute a contract with McCarthy Building Companies , Inc ., for the Westside Water Treatment Plant. This project consists of the construction of a 12 million gallons per day water treatment plant, expandable to 35 million gallons per day capacity . To date , a total of six change orders totaling $266 ,121 .67 have been approved . Change Order No . 7 includes modifications to the membrane system valves, modifications to ozone piping , additional heat trace panels and pipe insulation , irrigation system modifications , electrical and control system modifications , as well as miscellaneous modifications to resolve construction conflicts and improve the overall design and functionality of the Westside Water Treatment Plant. The total amount of Change Order No. 7 is $145 ,343 .00 with 68 additional calendar days of contract time requested by the Contractor to account for extra work and rain days affecting critical path construction activities . Staff considers the proposed change order amount to be fair and reasonable and recommends approval. M/WBE -McCarthy Building Companies, Inc., is in compliance with the City's M/WBE Ordinance by committing to an additional eight percent M/WBE participation on this Change Order No . 7 . The City's goal on this change order is eight percent. The project is located in the C ity's extra-territorial jurisdiction , one quarter mile west of the intersection of Old Weatherford Road and Chapin Road, in unincorporated Tarrant County, Mapsco 71 C , adjacent to COUNCIL DISTRICT 7 . FISCAL INFORMATION/CERTIFICATION: The Financial Management Services Director certifies that funds are available in the current capital budget, as appropriated , of the Drinking Water SRF 2007 Series. http://apps.cfwnet.org/council_packet/mc _review.asp?ID= 17231&councildate=9/18 /2012 9/25 /2012 M&CRev iew TO Fund/Account/Centers Submitted for City Manager's Office by: Originating Department Head: Additional Information Contact: ATIACHMENTS Change Order #7 Site Map V2.pdf P age 2 of2 FROM Fund/Account/Centers P255 541200 607540045683 $145,343 .00 Fernando Costa (6122) S. Frank Crumb (8207) Chris Harder (8293) http://apps.cfwnet.org/ council _packet/me _review .asp ?ID= 1 7231 &councildate=9/18 /2012 9/25 /2012