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HomeMy WebLinkAboutContract 46726-CO1 a CITY SECRETA[ CONTRACT NO. FORT WORTH. City of Fort worth Change Order Request Rolling Hills Water Treatment Plant Project Name Phase 6-Flocculation Basins Improvements City Sec# 46728 Client Project#(s)l Fort Worth Water Dept(02122); CDM Smith 103999); Archer Western Construction(215024) Modification of the existing Rolling Hills W1P Flocculation Basins No.1-No.4 to accommodate replacement of the r Project DescriptionModification three-stage,paddle-wheel flocculation process with a two-stage,verticakurbine flocculation process. Contraclorl Archer Western Construction,LLC Change Order# Date 2113/2016 City Project MV.1 Farida Goderya,PhD,PE City Inspector F"Mike Contract Time Dept. Water Totals CD Original Contract Amount $4,312,900.00 $4,312,900,00 440 Extras to Date $0.00 0 Credits to Date Pending Change Orders(in M&C Pro.-oss) $0.00 $0.00 0 Contract Cost to Date $4,312,900.00 $4,312,900.00 440 Amount of Proposed Change Order $21,806.35 $21,806.35 6 Revised Contract Amount $4,334,706.35 $4,334,706.35 446 Original Funds Available for Change Orders $0,00 Remaining Funds Available for this CO $0.00 Additional Funding(If necessary) $21,806.35 $21,806.35 CHANGE ORDERS to DATE(INCLUDING THIS ONE)AS%OF ORIGINAL CONTRACT MAX ALLOWABLE CONTRACT AMOUNT(ORIGINAL CONTRACT COST+25%) $5,391,125.00 JUSTIFICATION(REASONS)FOR CHANGE ORDER. This Change Osier#1 covers the following: RCP-01-Basin No.1 and No.2 Exp Joints-Work includes modification of new structural wall and footing construction in the referenced Basins to accomodate provision of expansion Joints similar to the existing Basin foundations,and the addition of dowels at and walls. Modifications summarized in attached RFI-05. it is understood and agreed that the acceptance of this Change Order by the contractor constitutes an accord and satisfaction and represents payment in full(both time and money)for all costs arising out of,or incidental to,the above Charge Order. 40t ' a __ _ : Qtl3 fai (-Name) C�n�a qet Archer Western Construction,LLC Wayne Pursle A-W / Chad Bartruff,PE /S/!n FaNda Goderya,PE 2-1S I I(i Water I[nector - - - - - - 1116- ._ A�s� " i>�°t`e_far,lip. ��a ' John Carman Z3,W1 Andy Cronber ,PE ' 9 - .. . e — '_,� 01 MOep d8i 3. Doug Black t) 6tkCsl Z -16 Jesus J Cha a l� Co,URrFtion tf.h? Ited M&C Number N/A M&C Date Approved NSA �n ORT' 02 4 h010000100. OFFICIAL RECORD j FEB 2 6 2016 -Al CITY SECRETARY FT.WORTH,TX FORT ary J. er,Alty Secretary r FORT WoRTti City of Fort Worth T Change Order Additions "V His Water Treftnent Plant Project Name Phase 6-Floxufailion Basins Improvernarls City Sac# �8T28 Client Project# Fat Worth Water Dept(02122); CDM Smith 103999• Ardher Western Construction 215024 Project Deactiplion Moditation of the existing Roping HMIs WiP Flocculation Basins No.1—No.4 to accommodate replacement of the existing flocculation process with a two-gage,verticakurbine flocs ulaton Contractor Archer Western Construction,LLC 1 Change Order# © Date 13Y2016 Cpy Project Mgr. I Ferida Goderya,PhD PE Ctiy InspectsNo Hip AUDI I IONS Unit nCost jolai RCP-01-Basin No.1 and No.2 Exp Joints-Work includes modification of new structural well and fooling construction in the referenced Basins to 1 accomodate provision of axpansion joints similar to the ehasttng Basin Water 1.00 LS $21,806.35 $21,806.35 foundations,and the addition of dowels at end Yaps. Modifications summarized in attached RFI-05. Additional 6 days will be added to the lotiqinal Contract of 440 da ater 21, o h Water Change Order Additions Page 1 of 1 RFP-01 Date: January7,2016 PMIKt P40h HM WTP Phone 6 Owner. CkydFcwtWcN1 C r*ador-AldrrVhM mC6nVeclon,LTD Enar.CDM48&5h 41*r16rAt6r16ru�.rwa.p.arsaa Add S6Dewr. r 6rswanisse* DE7OW" GFy UMI wwra. LABOR aATERLAL I EWrMW SUB TOTALS Lbw. t HRI S 30.00 S 240.00 S 240M kWd8h"bWtEJM2Sn W MH S 22.60 S 1327.50 S 1.322.50 Pw a EJ 30.W S 2250 S 675.00 S 675.00 RAded has fhdarAd wliB d0wv tby4 wNbrr 142 142 W S 2250 S 3165.00 S %125.00 (41*w1 Eew-b) Fa 72 W S 2260 S JAGM t 1620.00 OdWW 66 D-W.146 EA 49 W S 22.W S 1.102.50 S 1,102J50 OA Reba WAN Mal J12LOMMMI 12 W S 2260 S 270.00 S 270.00 Cut ROW FoodN Lrr 14 LoaAdar 14 W $ 2260 S 315.00 $ 315.0D CarOpemw 0 W f 34.00 t DAlard d.b EAdy SO&Tan Ow Tart 1" 326 R.&OW WAS&MMWO by FOM aMrrr M21 SF S 2.00 3 264.00 26400 (110". A1kd oM 284 9F 1.75 S 487.00 S 497.00 05 ROW Oawr 146 EA S 250 370.0 S 370.00 976 AM."Wr-RE 500.80 18 EA S 20.00 S 380.00 380.00 Equipment ST7ua Lill 2 M 600.00 I,00 1.600.00 ISDTNCa 0 Wk i BOOM i Od ad dm b Eal2 Dub Tan Ow 1 Ls S Subcorwacor 0 LF S t - t Ls S SUBTOTALS: S 745.00 t 1611.00 S 1,600.00 4 S 12066.00 SMALL TOOLS&82a1H t 772.00 S 772.00 SAFETY 6UPPLES 0$2601 S 772.00 $ 772m PAYROLL MURDER 056%OF LABOR 6 4,809.75 4 60.075 SUBTOTALS; S 16066.75 S 1 11.00 S 1M0.00 $ $ 1 406.75 16%OHP(LM6El 761.48 5%OW(SAL) BOND S 54lURAMGE 635.14 TOTAL AWKKW OF THIS PROPOSAL 21 SOB. Additional Time Request=6 days ..a5..r S d+A AddiAal wAA 5a bA6r ShceSasbl fawArwl Artw eAD44aW r a1 s al-SB a...ar At PAIw Ae1 A66Ad6LM 5ar6sb aAps4blf RAdl41N by 1044.0 dr b bail b6etl errArAr6yO0RN 6 s Archer Western Construction Request For Information 2500 Southeast Loop 820 RFI-00005 Fort Worth TX 76140 FORT WORTH WATER DEPARTMENT Owner.lob 0 city Project No.02122 � Printed On: OCT-08-2015 i Page 1 or 1 r Subject: Existing Expansion Joint Basin#2 Date: OCT 08,2015 Project: Rolling Hills WTP Phase 6-Flocculation Basins Im Job: 215024 i Address: 2500 Southeast Loop 820 Required: OCT 22,2015 Fort Worth TX 76140 Phone: Fax: To: Farida Goderya ; FORT WORTH WATER DEPARTMENT From: Linda Laver-Archer Western Construction s Co-Author: Contact: Co-Author RFI Number: j 3 e Reference: a RFI Importance:Normal i RFI Category: RFI Discipline: i DrawinglSheet No.: j DrawinglSheet Name: f s. a 3 s S Request: The Contractor has encountered an existing expansion joint in the slab of Basin 2(see attached photo) { that Is not shown in the contract documents. The joint intersects the proposed baffle walls in three places,and appears to be approximately 2-inches Wide and filled With joint filler,backer rod,and F sealant. We are scheduled to place wall footings at this location Friday 10/9/15. Please advise how to proceed ASAP. 5 Suggestion: Cost Impact: Potentially Cost Amount: Schedule Impact: Potentially Days: s i Answer. E] Accept Suggestion it is noted that concrete pour for footings In Basin No.2(for baffle wall and columns along the west of baffle wall)occurred on October 7,2015;few of these footings were installed on the existing expansion joints.Note that the presented solution in the attached figures assumes the as-installed state of f these footings,and that no subsequent concreting work has occurred. t Revisions to Sheet SA-3(showing Basins 1 and 2)are attached;See Figure 1.For expansion joints in footings and walls,refer to Figure 2 showing ; Detail J to be included in Sheet SZ-3.Use of this detail shall be as noted in Figure 1. Requirements of Div 03 specifications shall apply.Contractor shalt submit for review products required for expansion joints In the basins that have not previously been submitted.Update affected drawings-sections,and details for record purpose. ; Anawered BY-Alexander Voigt,P.E. Signed: Alexander Voigt,P.EJ Sager Khole,P.E. ! Date: 10/13/2015 i Dlstrlbutlon: s r s j t waLpm3010 s { f - • y' A i +,If r t t. .k }�r ' �_ +' •r✓:.4 r f '�;J`�_`j.ti.�. r•y� .x► kA !. i + f �' .ems„* � � `• '� , '1�F!1��-.�::1..asa?L, T}. 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YeNe�sr rsa �■ arS1�T101w\�OY11N�I4mH����OOIO�r♦�1111�i�C�fRIRYiYa. a[� �tarraarnrfafluwr.uraw�feu•.�rfos.Ts�¢p1r arfaiowraffarnafrrmr.wrlmr ne af.v,ro wafafr�lcron�snrNrafors.ar firrrmslrortna farnfe ceras.n.anlwmrasra a w.ruw�w.rrrvvro.�was.roar^n i�oe�wrr�bwo.�iw�fa��ar+e�f�i�+roai��icmw`a.u:lm fuaecm+arr.rumwuro .so1ororrmarlsoaroarswfafssa ewc�rr.sarrrmna rax.rwawesa�viN111woaan a 111nwrrrasaaaf sersr.lvcr 1r srso.ar rorraefsnlrra.aaos"rru sesenooar �'•-•-•w �rerrofs�om�me�vlwmwararwuarearu®rw�wmsrn.wwrwwrwawmrwaauo RFI 05 •••• .wlrwsasrnssrr mrarwoaWTawervasucuar+r�xnr.a.�enmxua®r+ro.1m faaao.svr.asa.rr.aranca rsaawroffo�nram.aoes.rcwa MUSE —3 e m T Z t • s 1" (UON) PREMMOLLDDED JOINT FILLER a a SEE JOINT EDGE DETAIL • • REINF TO STOP 20 CLR OF JOINT Q� 6 e • z U N PREMOLDED JOINT FILLER (SELF—EXPANDING CORK UON) 1/2" SEALANT fi a ' BOND BREAKER TAPE c c 0 re JOINT EDGE DETAIL NOTES: 1. PROVIDE EDGE CHAMFER, EXCEPT ON UNDERSIDE OF SLAB. o 2. DETAIL SHOWN FOR WALLS; SLABS SIMILAR. i� wil EXPANSION JOINT & SEALANT g DETAIL ri NTS — r� CDMt DATE OCT 2015 RFI FIGURE SHEET NO. LOCATION NO. N0. Sh SZ-3 05 2 o=