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Home My WebLink AboutContract 51435-CO1 CSC No. 51435-COI F- P, W® City of Fort Worth City Secretary Copy Change Order Request Project Namel Village Creek WRF Liquid Biosolids Storage Tank City Sec No. 51435 Project No.(s) P266/56007 070SF30WF80 City Proj.No. CO2669 Project Description: Liquid Biosolid Storage Tank at VCWRF Contractor: Crescent Constructor,Inc. Change Order: 0 Date: 2/21/2019 City Project Mgr.1 Seiavash Mir City Inspector: Nathan Gray Phone Number: 817-392-8404 Phone Number: 817-944-9984 Dept. Sewer Totals Contract Time (Calender days) Original Contract Amount $6,437,000.00 $6,437,000.00 540 Extras to Date Credits to Date Pending Change Orders(in M&C Process) Contract Cost to Date i$6,437,000.00 1$6,437,000.00 540 Amount of Proposed Change Order $98,800,00 _ $98,800,00 1021 Revised Contract Amount $6,535,800,00 1$6,535,800.00 561 Original Funds Available for Change Orders $294,000.00 $294,000.00 Remaining Funds Available for this CO $294,000.00 1 $294,000.00 Additional Funding(if necessary) CHANGE ORDERS to DATE(INCLUDING THIS ONE)AS%OF ORIGINAL CONTRACT MAX ALLOWABLE CONTRACT AMOUNT(ORIGINAL CONTRACT COST+25%) $8,046,250,00 JUSTIFICATION(REASONS)FOR CHANGE ORDER 1. This Change order was City directive to remove and replace existing 12 inch Sludge line found in Ground Storage Sludge Tank(RFI 415) 2. Remove and install 12"line find in conflict with 30"RCP Drain line(RFI#16). 3. Over Excavated and install backfill under Static Mixer pad (RFI# 12). Staff concurs with the Contractor's cost breakdown as attached. Additional detail can be found in the following pages. 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 Change Order. Contractor's Company Name contractor Name - tra or Signature Date Crescent Constructor,Inc. Ryan Glanz,P,.E. Inspector Date Project Manager Date Nathan Gray !, `, ti� t s -%r Seiavash Mir 'v r r , �5 Director Water Dept Date Construction Manager(Stan l Date Chris Harder,P.E. �'LG 6 Javier Cantu,P.E. 02/22/2019 Assistant City Attorney Date Assistant City Manager if Dilate Doug Black i I I ay Chapa (�1 Counc I Action(If Required) M&C Number I Ze— M&C Date Approved ]FONT WOl,TH City of Fort Worth Change Order Additions Project Name Village Creek WRF Liquid Biosolids Storage Tank City Sec No. 51435 Project No.(s) P266/56007 070SF30WF80 I I City Proj.No. CO2669 Project Village Creek WRF Liquid Biosolids Storage Tank Description Contractor Crescent Constructor, Inc. Change Order: ® Date: 2/21/2019 City Project Mgr, Seiavash Mir City Inspector Nathan Gray ADDITIONS -1'I"EIVI E 11'1T0 DEPT Qty Unit Unit Cost Total 1.A Locate existing Line Tie-in(12"line) 2.00 Ea $6,822.50 $13,645.00 1.1B Remove and relocate and Install 12"Line. 505.00 LF $140.00 $70,700.00 1 A C Demo Existing 12"Line 175.00 LF $30.00 $5,250.00 1.2A Demo Eisting 6"Drain Line 1.00 Ea $1,500.00 $1,500.00 1.2B Cap and Demo 6"Drain Line 40.00 LF $30.00 $1,200.00 1,3A Connect to Existing 12"at 30"RCP Tank Drain Line. 2.00 EA J$1,165.00 $2,330.00 1.313 Raise 12"Line 1.00 EA $1,500.00 $1,500.00 1 AA Additional Subgrade Excavation and Backfill(static Mixer) 1.00 LS $2,675.00 $2,675.00 i i Sewer $98,800.00 Page 1 of 1 i Addif� ons Sub Total 11$98,800.00 2560 Technology Drive#400 Plano,TX 75074 j CONTRACT MODIFICATION REQUEST: PCM-01.2 l PROJECT: VILLAGE CREEK BIOSOLIDS TANK DATE: 02/15/19 PROJECT NO. CO2669 ATTENTION: CITY OF FORT WORTH 1000 THROCKMORTON STREET FORT WORTH, TX 76102 ATTN: SEIAVASH MIR Attention: The following change in contract on this project is proposed: A breakdoinn of cast SHALL be attached. � Mork shall not commence until authorized by the OFYNER, Description of the Proposed Change&Clarifications Pricing for the following (1) Remove/install existing 12"Sludge Line found in GST Footprint(RFI 15) _ $89,595 (Cement Ftgs) (2) Remove existing 6" Drain line and MH found in GST Footprint(RFI 14) ___ $2,700 (3) Remove and install existing 12" line found in conflict with new 30" RCP Drain Line (RFI 16) ___ $3,830 (4) Over Excavate and install Backfiil under Static mixer pad (RFI 12) ===$2,675 (5) Remove and install existing HMAC (325 SY) __= Deferred to Later (A) 12"line discovered on 01/25/19 { r I s TOTAL AMOUNT �— 98,800 Ryan Glanz Cescent All work shall be in accordance with the terms,stipulations,and conditions of the } original Contract Documents. If the work herein provided for is Approved by Change Order,the time of completion will be: " Increased By 12 ***Calendar Days Decreased f Unchanged j ❑ ACCEPTED I City of Fort Worth Date ❑ REJECTED j I CHANGE ORDER SUMMARY Front Sheet VILLAGE CREEK BIOSOLIDS TANK CHANGE DESCRIPTION: CONTRACT MODIFICATION REQUEST# PCM-01.2 Job#: 2018-03 Description Labor i Material Equipment Subcontract Total I DIRECT COSTS 18,500 35,447 17,4821 2,000 73,429 LABOR BURDEN&FRINGES 55% 10,175 10,175 I _ I SUBTOTALS 28,675 35,447 17,41321 2,000 83,604 CONTRACTOR MARKUP 15% 12,241 CONTRACTOR MARKUP 5%(SUBS) 100 I BONDS&INSURANCE 3% 2,878 TOTAL - - - - 98,800 CLARIFICATIONS: 1 2 3 4 Total Unit Unit Unit Unit Total Total Subs Description Qty Un Labor Mat'] Equipment Labor Mat'I Equipment LABOR Project Superintendent 40.0 MH 70.50 2,820 Mechanical Foreman 80.0 MH 40.00 3,200 Field Crew----12 Days x 4 men x 8 hrs 384.0 MH 2O.00 7,680 Operator---12 Days x 2 men x 8 hrs 192.0 MH 25.00 4,800 MATERIAL Haul off Demo 5.0 LID 140.00 700 Pipe and Valves(C900) 1.0 LS 25,837.84 25,838 Pipe Embedment(3 x 2.33) 194.0 TN 23.50 4,559 Pipe Spoil Haul Off 10.0 LD 140.00 1,400 Misc Pipe Material/Tools/Safety 576.0 MH 2.00 1,152 Existing Road Replacement=325 SY Flexbase Subrade 6" - TNS 21.25 STATIC MIXER PAD OVER EX(RFI 12)=25 CY _ Additional Excavation Haul Off 4.0 LDS 140.00 560 Additional Flexbase(1.15 Compaction Factor) 44.0 TNS 12.50 550 12"Line over 30"RCP(RFI 16) _ Additional 12"45 Bends(4 EA) 4.0 EA 172.15 689 EQUIPMENT(Daily/Weekly/Monthly)Cost (Fuel,Oil,Grease,&Maintenance Included) Trench Compactor(COE) 80.0 HR 29.85 2,388 Air Compressor(COE) 80.0 HR 9.69 775 Air Compressor Hose(COE) 80.0 HR 0.55 44 Excavator PC 200/CAT 320(COE) 96.0 HR 53.91 5,175 Excavator Bucket(COE) 96.0 HR 4.96 476 Wheel Loader Komatsu W200(COE) 80.0 HR 41.65 3,332 Backhoe CAT 416F(COE) 96.0 HR 21.07 2,023 Dozer Komatsu 39EX/CAT D5(COE) 20.0 HR 35.39 708 Pickup Trucks(2EA) 120.0 HR 15.92 1,910 Trench Box Safety 1.0 LS 650.00 650 SUBCONTRACTORS HMAC Paving Replacement - SY 26.40 - Material Testing&Inspection(1%) 1.0 LS 1,000.00 1,000 Sawcut/Seal HMAC for Clean Edge(Double cut - LF 0.70 - Survey Costs(1%) 1.0 LS 1,000.00 1,000 18,500 35,447 17,482 2,000 Job:Biosolids GST Item: ill 1/1 1/1 Change Order to Billing SOV Breakout Comparision Change Order SOV Time Comments 1 Existing 12"Line Replacement(RFI 15) $ 89,595 A Moblizalion(3.89%) 1 EA $ - S 3.900 B Surveying(1%) 1 LS $ 1,000 $ 1,000 C Locate Existing Line Tie in 2 EA $ 8,000 $ 8,000 1.00 D Pot Hole Existing Lines(4.7%) 1 LS $ 4,700 $ 4,700 0.50 Already spent 3 days E Demo Existing Line 175 LF $ 5,250 $ 5,250 0.50 F Trench Safely 1 LS $ 1,000 $ 1,000 G Install 12"Line 505 LF $ 58,440 $ 77,740 7.00 H Connect to Existing 12"Line 2 EA $ 4,000 $ 4,000 1.00 Install 12"Plug Valve 1 EA $ 3,000 $ 6,075 J Demo Cut Existing HMAC(6") 324 LF $ 680 $ 680 K Demo Existing HMAC at Connection 1 LS $ - $ - 0.50 L Hydrotest New Line 505 LF $ 2,525 $ 2,525 M Material Testing(1%) 1 LS $ 1,000 $ 1.000 Existing 6"Drain Line&MH Removal(RFI 14) $ 2,700 A Demo Existing Drain MH 1 EA $ 1,500 $ 1,500 0.25 B Demo Existing 6"Line 40 LF $ 1,200 $ 1,200 0.25 ®12"Line Move Over New 30"RCP Line(RFI 16) $ 3,830 A Pot Hole Existing Lines(4.7%) 1 LS $ 330 $ 330 B Install 12"Line 20 LF $ 1,500 $ 3,000 0.25 C Connect to Existing 12"Line 2 EA $ 2,000 $ 4.000 0.25 4 Additional Static Mixer Subgrade Prep(RFI 12) $ 2,675 A Additional Excavation 25 CY $ 1,425 $ 1,425 0.25 B Additional Backfill 25 CY $ 1,250 $ 1,250 0.25 5;HMAC Paving Replacement(325 SY) $ - A Finegrade for HMAC 325 SY $ - $ - - B Install HMAC 2"Course 325 SY $ - $ - 900^ aMEMM Description of the Proposed Change&Clarifications Pricing for the following (1) Remove/install existing 12"Sludge Line found in GST Footprint(RFI 15) _ 89,595(Cement Ftgs) (2) Remove existing 6 Drain line and MH found in GST Footprint(RFI 14) === $2,700 (3) Remove and install existing 12" line found in conflict with new 30"RCP Drain Line (RFI 16)=== $3,830 (4)Over Excavate and install Backfill under Static mixer pad (RFI 12) ===$2,675 (5) Remove and install existing HMiAC (325 SY) =__ Deferred to Later (A) 12"line discovered on 01125119 TOTAL AMOUNT I S 98,800 Ryan Glanz Cescent All work shall be in accordance with the terms,stipulations,and conditions of the original Contract Documents. If the work herein provided for Is Approved by Change Order,the time of completion will be: increased By 12 "'Calendar Days Decreased Unchanged Q ACCEPTED El REJECTED City of Fort Worth Date From:Goderya,Farida<Farida.Goderva@fortworthtexas.gov> Sent:Friday, February 15,2019 3:08 PM To:Ryan Glanz<roan.alanz@crescentconstructors.com> Cc: Mir,Seiavash<Seiavash.Mir@fortworthtexas.aov>;Cantu,Javier<Javier.Cantu@stantec.com> Subject: RE:Bio-Revised pricing attached Importance:High Hello Ryan, As we discussed on the phone,in my opinion the price is still too high. Also, I will not approve anything with your(B) statement{the additional costs for the time and/or re-mobs due to the time impact will be reviewed when project is 75%complete). See what you can do about further adjusting the price? Call or email with questions. Regards. Farida Farida Goderya,PhD,PE Senior Project Manager 2 Stantec REQUEST FOR INFORMATION (RFI 15) PROJECT NAME: VCWRF LIQUID BIOSOLIDSSTORAGE TANKS #: CO2669 OWNER: FORT WORTH CONTRACTOR: CRESCENT ENGINEER: STANTEC DATE: 1125119 REFERENCE DATA: Specification Section# Page# Paragraph Drawing#C-5 Detail description: 12"Sludge Line found where it's not shown in drawings CONTRACTOR REQUESTS(circled): Information Interpretation Clarification Described below or in the attached material referenced below: While continuing excavation for the GST, a 12" sludge line was discovered. The pipe runs NW/SE at about 463'elevation.A 12"sludge line was show on the drawings going a different route. (See attached info) CONTRACTOR'S PROPOSED SOLUTION: This is an urgent issue and will need engineer's proposal for reroute. REQUESTED BY: DATE: ENGINEER'S RESPONSE (circled): Information Interpretation Clarification Described above or in the attached material referenced: The existing 12-in filtrate line was found to be located as shown in red in the attached document. Due to this unforeseen field circumstance, Engineer requests that the Contractor prepare a proposal for the relocation of the 12-inch force main per the attached drawing. Contractor shall coordinate with Engineer and City, all appropriate shut-downs and limit down time as necessary. RESPONSE BY: Javier Cantu, P.E. DATE: 01/31/19 n� zU U Z F.; g u� ° omgw =i ta; _ �';g ° aW?HER F �oOHR opp rwo 'a oa � I. a W9 89 g83��ggagazkzSR=�pa S� $g2 P dy�0- 9 °m�5n`��g� o€ a 6 s a� tt6 wa a '�-' m �6otSz `s-F.c>�o�d oo Q � m _a a.3_ e - S w .X � °�$dIuws _ __ . ~ ft >= PLY,'• w a9.oLLuw�asmws�ya2 w i _ I- ow a��at" ��N��ry� axmx x� w d $ 9td�° Zs$? 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