HomeMy WebLinkAboutContract 42205-CO2 CITY SECRETARY D�sr�i�uTro� CITY 0.S--(a�
WHITE-FII.T CONTRACT NO.
CMARY-CONMUCnON rmrs CITE'OF FORT WORTH
PINK-PROJECT MANAGER CHANGE ORDER REQUEST s
GOLDMMOD-CONUL&crOR
CAMCF.OPMMt NO. 2 DATE, 5110t)2 D.01.NO, PROJECT NO. WTR 2010-200051
PROJECT DESCRIPTION; Riversicle Wsstc%vater Treatment plan Digester Sludge Treatatc d,Removal,and Disposal Project CITY SECRETARY CONTRACT NO.
42205
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ORIGE►IAL CONTRACT AMOUNT...,.............................r..............,.............$
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EXTRASTO DATE.............................................................I$
CREDITS TO DATE....................................................r........$ --- -.. ._ 1.26100
CONTRACTCOST TO DATE................... ..........................................._................................. .S
AIWOUNT OF PROPOSED CHANGE ORDER...............................,,.... rr..,.,..,,....,....•....._..«,.......r.r..,....r,..,r.,.......,.....$� _ � �93__�SD
REVISED CONTRACT AMOUNT..................................I........ .....,r....,..,..............,,.....,.
ORIGINAL RMDS AVAILABLE FOR CHANGE ORDERS.............................................................................r..................r........................I........................... _ _ .,., .7��.00
ADDMONALFUNDING(F NECESSARY)r,.................,,.........r.r............,................................,,.,..........r...,,.....,,...,......,.........,................................................$
REWJNlNG FUNDS AVA1LABIE FOR CHANGE ORDER....r..........•..............,....,..........................I........................ .. .., .$ 4
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IN ACCORDANCE WITH THIS[DANCE ORDER,THE CONTRACTOR SHALL:
Complete all pariians of the c*ntract work as approved in the original contract docun=ts and Change Order No.Z,
Schedule of completion is revised per this change order as described in supporting documenting submitted to City by AU1 on April 5 and May 9,2012(see Attachment I}.
Contract quantities and unit costs and revised per this range order as shown in Table I(attachcd),
MME participadon goal for the project remains unchanged at 110V%, RECORD
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TOTAL COST FOR CHANCE ORDER NUMBER 2 $ 0.00
it is vwvratvad and a8rood that the accepts%eo of this Chums Order by tha 400trretor constitutes aft aol and satisraction
And reprmen"payrneat in&H(Wh irl 6ma anti r mtay)for all Boats ariaina out of,or incidcatal to.the Chamse order.
QRICINAL CONTRACT 11ME ADDIMONAL APPROVED TIME TO 13ATE APP ROWD COWUCt'TVa TO DATE DWWWAL TIAir FOR T14f3 C.HAW;E{}MER ;
180 days 34 days 210 day 124 days
COMPACTOR � � ]DATE FIELD EM MEEK DATE j
4 ' Ton $osecke ,Freese and Nichols,Inc.
ALA Contractors,Inc. d y
MAr GMVC0Mr.sly. DATE r C mwibwArA nRPT, DATE?
Aw
Richad S.Tall a Pro i
D1HCPOIVCON I ACT1'!+�DEPT- . DATJB r CrrY ATY00 Y
S.Frank Crumb,P.E.,Water Director Christe Reyaolds,Senior Assistant City Attorney f
CITY?1311 DATE CO[1t+1f il.ACTION(IF REQUIRED)* DA'r'lr
Femando CoSta,Assistant City Manager .2 L/Z ❑�►I'ps,avry a vrsA�xovl±a v OTHER
F'IV11231 NT-Mligester Removidwonstrt�ctian Contract Managcmcn Digester Sludge Removal Change Order No.2.dor.
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NO MSC REQUIRED
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4055 International Plaza,Suite 200 Fort Worth,Texas 76109 • 817-735-7300 fax 517-735-7491 • www.freese.com
May 10,2012
Mr. Richard Talley
Regulatory/Enviror mental Coordinator
City of Fort Worth water Department
P. O. Box 870
Fort Worth,Texas 76101-0870
Re: City of Fort worth
Riverside Wastewater Treatment Plan Digester Sludge Treatment, Removal,and Disposal
Project
FNI Project No.FI'W11231
Change order Request No. 2(CO-02)
Bear Mr.Talley:
Enclosed please find a copy of Change Order No. 2 for work to be performed by AUI Contractors,
Inc. on the above referenced project.
This change order increases the overall contract value by$293.50 to$5,254,571.50. The purpose of
this change order is to amend the contract quantities for liquid treatment and sludge disposal and
extend the contract time for the project by 124 calendar days due to inclement weather and additional
liquid treatment processing time.These revisions are a result of Change Order No. 1 and the use of a
belt press in the removal process.
Sincerely,
Robert W.Chambers,P.G.
Principal
Enclosure
cc: File
FTW 11231\GAUsers\021?11AppData lLocoPMcroscft\Wsndows\Temporary Intemet Fi1es lContent.0u1ook\TVQ1V5RB\Changa Order No 2 Subrnittal
Le#t+er.doc
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RIVERSIDE WWTP- DIGESTER SLUDGE REMOVAL
WATER PROCESSING
cororR►cr Qu�wrmES atruAL ctuA�rrmEs
Estimated Quantities Total Gallons-per#8
600000 GAL 280MOOl GAL
Estimated Per Digester Actual Per Digester
750001 GAL 3500001 GAL
Processing Speed Processing Speed
40000 Gal per Day 40000 Gal per Day
Total Days per Digester Total Days per Digester
2 1 Days 9 1 Days
NOTE:(S Digesters x 7 extra days per digester to process=56 days
of overall extra water processing time)
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RIVERSIDE WWP - BELT PRESS COST
(5-M09-12)
ITEM TIME UOM UNIT$ EXTENSION
Belt Press-2M Unit(Jan 2012-Aug 2012) 8 M0 $ 15,100 $ 120,800
Belt Press Mobilization (1 in/1 out) i EA $ 310750 $ 3.750
Replace Hoses&Belt on Press incl labor i EA $ 33,475 $ 33,475
5000W Generator(1 ea x 8mo) 8 MO $ 1,650 $ 13,200
Fuel for Generator(60gal/day)x lea 10560 GAL $ 3.95 $ 41,712
Belt Press Certified Operators 8 M0 $ 15,588 $ 174,704
Orn x 40hrs/wk @)$22.50/hr)
Hydraulic Trash Pumps 8 MG $ 10775 $ 140,200
Misc. Piping&Hoses 1 LS $ 41411 $ 40411
GRAND TOTAL COST $ 356,252
MARKUP(10%) $ 35,625
TOTAL w/MARKUP $ 391+877
Sample Collection (Liquid &Solid Samples) 256 EA $ 55 $ 14,080
PCB Analysis 80 EA $ 90 $ 7,200
Total RCRA Metal Analysis 80 EA $ 35 $ 2,800
Rush Water Testing(PCB, Metals,Cyanide) 176 EA $ 427 $ 75,082
Aqueous Sludge Treatment 2,050,000 EA $ 0.25 $ 512,500
(2,800,000-750,000galIons)