Loading...
HomeMy WebLinkAboutC2005-243 - 5/24/2005 - Approved C}L~=NGE ORDER Depart~nent of Engineering Services City of Corpus Christi, Texas CN3LNGE ORDER NO: 2 PROJECT NO: 530230 4010 31010 CONTRACT TIME: 365 C.D. Operating Department: Water DATE: Mav 9, 2005 Name of Project: O.N. Stevens Water Treatment Plant Onqoinq Instrument Maintenance Proqram, Project No. 8496 Contracto~ : C W. Campbell Electric, Inc CHANGE ADD Add the following bid items to the contract: 1 Replacement of all loss of head transmitters for Filters 1-22 including installation of manifolds and other miscellaneous material Installation of redundant level sensors at each clear well (4 total) including mounting, piping, and wiring. 2 additional months of preventive maintenance se~ices for field and board instrumentation as per bid item IA. Deletion of Base Bid Sections 2A3 and 2B1 through 2B6 in their entirety and credit $20~000.00 from Base Bid Section 2B7. Total Additional DEDUCT $49,484.08 $28,647.76 $28,032.00 $53,963.84 ($52,200.00) Why was this change necessary? (If left off the plans and specifications, exqDlain why) Improvements and additional maintenance reouested by O.N. Stevens Water Treatment Dersonnel. How can similar changes be avoided in the future? Unavoidable Pla A. CONTRACT PRICE ............ $ 239,292.00 B. TOTAL CHANGE ORDER (inc. current) $ 58,883.84 C. ~ CO~ACT PRICE .......... $ 298,175.84 D. THIS C~%NGE ORDER .......... $ 53,963.84 E. PERCENT TOTAL C~%NGE (B/A) ...... 24.61% F. PREVIOUS ADDN'L TIM~ AUTHORIZED 0 cd G. ADDN'L CON~RACT TI~ THIS C~L%NGE ORDER 62 cd- H. TOTAL ADDITIONAL TIME ........ -62 cd- .FlY OF CORPUS tU~KISTI, TEXAS ¢ APPROVED ~ ~C O~erating Department 2005-243 ,_~*c~ita~ s~dget office= 05/24/05 ~oga3. Depa M2005-161~"/ C. W. Campbell Electric CONTRACTOR $%oo5- II .L_. · , ...... ......... AnA~A'~D'3 (i;' ~PA C. W. Campbell Electric, Inc. g02 Canlwel[ Lane Corpus Christi, TX 78408 rt~r~ 887-0766 ~ 3614857-0767 Proposal May 6, 2005 i City of Corpus Chrisli -~ob: ON Stevens WTP Location: CC, TX ~ 241-7209 ~,e~,d~Jgccr,~,~o~, We are proposing the fo/lowing change orders: 2 additional months of calibration (As per contract} 2 ~ $14,016 Add 22 Rosemount 3051 ~4dd 4 clear well level sensor~, pipe and wire: $28,032.00 $49,48408 $28,647 76 Total proposal price: $106,163.84 Attached are supportive documents Respectfully, R~ndy Eulcnf~ld. President ~'R, )P( )SAL/ESTIMA f E FOR sON IH, AC; [ i'~AODlt-iL;A l IUr,~ City or' Corpus Christi Corpus Christi, TX Project Name: 0 N Stevens Water Plant Sub Contractor: CWC job #__2700 C.W. Campbell Electric, Inc. 802 Cantwell Lane Change Description Corpus Christi, Texas 78408 Date: 09-May-05 % Prime Contractor's Work Rate Amount 1 Direct Materials 2 Sales Tax on Materials i'?°o uf linc t) Exempt 0.00 3 Direct Labor 4 Insurance, Taxes,& Fringe Benefit (%orline3) 57% 0.00 5 Rental Equipment 0.00 6 Sales Tax on Rental Equipment ('?o0 otlinc 5) Exempt 0.00 7 Equipment Ownership & Operating Expenses 8 SUBTOTAL (Add lines 1-7) 9 Field Overhead (1O°i, ot'l.ineS) 10% 0.00 10 SUBTOTAL (Add lines 8 & 9) Prime Remarks: Sub-Contractor's Work 11 12 13 14 15 16 17 18 19 20 21 22 23 Direct Materials Sales Tax on Materials Direct Labor Insurance, Taxes,& Fringe Benefit Rental Equipment Sales Tax on Rental Equipment Equipment Ownership & Operating Expenses SUBTOTAL Field Overhead SUBTOTAL Home Office Overhead Profit SUBTOTAL (% ot [.ine l I) Exempt (%olLinc 13) (% of Line 15) Exempt (Add lines 11-17) (10% ot linc 18) 15% (Add lines lB& 19) (3% of line 20) 0% (% ol'line 20) (Add lines 20-22) 11371.12 0.00 13539.98 0.00 0.00 0.00 3736.67 0.00 0.00 Sub-Total 0.00 0.00 24911.10 28647.77 28647.77 CWC Items of Work For Breakdown of Costs Total Sub-Con[ractor Qty Uni Material Labor Cost 1 ea 0.00 0.00 0.00 0.00 2 ea 0.00 0.00 0.00 0.00 Contractor Totals 0.00 0 00 0.00 Items of Work For Prime Contractor Qty Material Breakdown of Costs Ex[ension Labor Extension Cost 1 3/4" Rigid conduit 330 ft $1 48 48840 2.37 782.10 1,270.50 2 3/4" PVC conduit 120 ea $0.22 2640 1.98 237.60 264.00 3 3/4" Rigid 90 elbow 18 ea $3.90 7020 31.60 568.80 639.00 4 3/4'TAorFA 4 ea $040 ~.60 3.95 15.80 17.40 5 Trench 60 ft $550 33000 9.88 592.80 922.80 6 saw cut road, one side 40 ft $9.80 392.00 7.90 316.00 708.00 7 repair road 20 ft $22.00 44000 27.65 553.00 993.00 8 Caddy blocks and straps 30 ea $16.70 501.00 988 296.40 797.40 9 unistrut, anchors and straps 14 ea $1580 22120 47.40 663.60 884.80 10 power tray cable 1410 ft $030 423.00 1.19 1677 90 2,100.90 11 communication tray cable 1410 lot $030 423.00 1 19 1677.90 2,100.90 12 Tee. flange, 90 elbow, screen 2 ea $479.86 959.72 316.00 632.00 1,591.72 13 Demo old 8" vent 2 ea no material 0.00 158.00 316.00 316.00 14 16X 14X8"hingedJboxN4X 4 ea 17500 700.00 276.50 1106.00 1,806.00 15 instrument 4 ea 1.380.00 552000 79.00 316.00 5,836.00 16 tie wraps UV rated 593 ea 080 47400 3.16 1872.30 2,346.30 17 terminate toPLC 4 ea 800 32.00 79.00 316.00 348.00 18 program instrument 4 ea no material 000 118.50 474.00 474.00 19 3/4"LB 8 ea 1900 152.00 39.50 316.00 468.00 20 3/4" myers hubs 6 ea 5.90 3540 29.63 177.78 213.18 21 CGB 12 ea 750 90.00 27.65 331.80 421.80 22 3/4" PVC expansion fitting 4 ea 9.40 37.60 27.65 110.60 148.20 23 3/4"weatherhead 4 ea 7.90 3160 27.65 110.60 142.20 24 penetrate sealed opening & 2 ea 11.00 22.00 39.50 79.00 101.00 25 reseal 0.00 0.00 0.00 0.00 26 0.00 0.00 0 00 0.00 27 0.00 0.00 0.00 0.00 28 0.00 0.00 0.00 0.00 29 0.00 0.00 0.00 0.00 30 0.00 0.00 Sub-contractor Totals 11,371 12 13,539.98 $24,911.10