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Home My WebLink AboutChange Order Nos. 10, 11, 12 - WWTP Secondary Treatment Improvements Proj No 114-053 - Thieneman Construction IncF7 -7.71 -7 �I 4 r Date Name BOARD OF PUBLIC WORKS AGENDA ITEM REVIEW REQUEST FORM June 6. 2017 Jacob M. Klosinski Department Utilities Wastewater BPW Date .tune 13, 2017 Phone Extension 574 235-9496 Required Prior to Submittal to Board Legal ® Attorney Name Michael Schmidt Controller ® Controller review is required for all Contracts $5,000.00 or more and greater than one year in length per the City Purchasing Policy Purchasing ® Carol Kurzhal U Agreement U Contract U Proposal Addendum ❑ Professional Services ❑ Resolution ❑ Bid Opening ❑ Bid Award ❑ Req. to Advertise ❑ Title Sheet ❑ Quote Opening ❑ Quote Award ® Change Order No. 10 ❑ CIO & PCA No. ❑ PCA ❑ Ease/Encroach. ❑ Traffic Control F] Other: Ke uirea inrormation Company or Vendor Name Thieneman Construction Inc. New Vendor ❑ Yes ® No ❑ If Yes, Approved by Purchasing MBE/WBE Contractor ❑ MBE ❑ WBE MBEIWBE Contractor Requested ❑ No ❑ Yes Name of Company Project Name Wastewater Treatment Plant Secondary Treatment Improvements Project Number 114-053 2012 Sewer Bond, Capital Improvement Wastewater Treatment Funding Source Plant (subject to 3rd Quarter Appropriation) Account No. 661-0630-415-42-06 Amount $ Terms of Contract Lump Sum and Unit Prices Purpose/Description The Division of Utilities recommends the approval of Change Order No. 10 which includes dewateri_ng _delay costs_, 79 days additional time, omission of any liguidated damages for Shutdown C. ❑ Required Contractor's Certification Form Attached (Non - Collusion, Non -Discrimination, Non -Debarment, E-Verify, Iran, etc. R'equir d For Change Orders O'nl Amount of Increase $ 422,000; 79 Days to Subst. & Final Completion Decrease $ Previous Amount $ 13,046,684.87 Current Percent of Change: 3.56% New Amount $ 13,468,684.87 Total Percent of Change: +13.33% Dispersal After Approval Copy Original ® ❑ Al Greek, Director of Utilities ® ❑ Jacob M. Klosinski, Assistant City Engineer ® ❑ Carol Kurzhal, Director of Financial Services, Environmental Services INTEROFFICE MEMORANDUM DEPARTMENT OF PUBLIC WORKS DIVISION OF UTILITIES TO: Members of the Board of Public Works Eric Horvath, Director of Public Works Michael Schmidt, Board of Public Works Attorney FROM: Al Greek, Director of Utilities Jacob M. Klosinski, Assistant City Engineer SUBJECT: Agenda Request Form — Change Order No. 10 Project No. 114-053: Wastewater Treatment Plant Secondary Treatment Improvements DATE: June 6, 2017 The Division of Utilities is requesting the Board of Public Works approval of Change Order No. 10 for Project No. 114-053 Wastewater Treatment Plant Secondary Treatment Improvements. Refer to attached documents for supporting details for claims. Change Order No, 10 addresses the following changes: Keep Dewatering Well #7 in Service $ 13,225.50 Temporary Pumping at RAS Pump Station $ 6,977.00 Overtime Premium from August 2016 thru December 2016 $ 49,959.00 Management Costs $169,412.20 Construction Equipment Costs and Idle Time $146,596.25 Winter Conditions $ 12,723.24 Lost Productivity — Winter Work $ 19,000.00 Premiums for Electrical Work $ 4,106.81 NET INCREASE FOR CHANGE ORDER NO. 10 ITEMS $422,000.00 Original Contract Sum $11,885,000.00 Net change by previously authorized change orders $ 1,161,684.87 The contract sum prior to this change order $13,046,684.87 By this change order, the project amount increases by $ 422,000.00 The new contract sum including this change order is $13,468,684.87 This Change Order represents a total change of +3.56% Total change for the entire project +13.33% Time Extensions resulting from Change Order No. 10: Substantial Completion: +79 days Final Completion: +79 days In addition to the costs and time extension, the City of South Bend agrees to omit any liquidated damages associated with the delays for Shutdown C (Final Clarifier 6 and Final Clarifier 7 Long Shutdown). The circumstances surrounding the dewatering operation were a vital part of the project and work continued despite the delays. Start-up occurred after the original schedule date. Good faith efforts were made by the City of South Bend, Thieneman Construction (General Contractor), and Arcadis U.S. (design engineer) to maintain progress and adjust work sequence despite the dewatering delays. The primary funding sources for Change Order No. 10 is the 2012 Sewer Bond (661-0630-415- 42-06). This approval is subject to a 311J Quarter Appropriation that will move bond funds from Sewer to Wastewater Treatment Plant for the purposes of paying for this Change Order No. 10 work. if there are questions regarding the subject change order, please contact Al Greek (Ext. 4210) or Jacob M. Klosinski (Ext. 9496) at the Division of Utilities. 114-053 WWTP Secondary Treatment Improvements Dewatering Delay Cost Breakdown - Change Order No. 10 Item No. Description Amount 1 Temporary Well #3 $ - 2 Temporary Well #5 & #6 $ - 3 Temporary Well #7 $ - 4 Leave Temporary Well 7 In Service $ 13,22550 5 Temporary Well #8 $ - 6 Temporary Pumps at RAS Pump Station $ 6,977.00 7 Overtime August -December 2016 $ 49,959.00 8 Management Costs $ 169,412.20 8 Construction Equipment Costs $ 146,596.25 10 Winter Conditions $ 12,723.24 11 Lost Productivity - Winter Work $ 19,000.00 12 Premiums for Electrical Work $ 4,106.81 TOTAL Change Order No. 10 Value $ 422,000.00 Value Agreed upon 06/06/2017---------------- > $422,000.00 BOARD OF PUBLIC WORKS AGENDA ITEM REVIEW REQUEST FORM Date June 6, 2017 Name Jacob M. Klosinski Department Utilities Wastewater BPW Date June 13, 2017 Phone Extension (574) 235-9496 Rego ired Prior to Submittal to Board Legal ® Attorney Name Michael Schmidt Controller ® Controller review is required for all Contracts $5,000.00 or more and greater than one year in length per the City Purchasing Policy Purchasing ® Carol Kurzhal . Check the`A ro riate ltbhi`T e 4 Required f&A11:SdbmJssJons ❑ Agreement ❑ Contract ❑ Proposal ❑Addendum ❑ Professional Services ❑ Resolution ❑ Bid Opening ❑ Bid Award. ❑ Req. to Advertise ❑ Title Sheet ❑ Quote Opening ❑ Quote Award ® Change Order No. 11 ❑ CIO & PCA No. ❑ PCA ❑ EaselEncroach. ❑ Traffic Control ❑ Other: Re aired Information77771 Company or Vendor Name Thieneman Construction Inc. New Vendor ❑ Yes ® No ❑ If Yes, Approved by Purchasing MBEIWBE Contractor ❑ MBE ❑ WBE MBEIWBE Contractor Requested ❑ No ❑ Yes Name of Company Project Name Wastewater Treatment Plant Secondary Treatment Improvements Project Number 114-053 2012 Sewer Bond, Capital Improvements Wastewater Treatment Funding Source Plant (subject to 3rd Quarter Appropriation) Account No. 661-0630-415-42-06 Amount $ Terms of Contract Lump Sum and Unit Prices Purpose/Description The Division of Utilities recommends the approval of Change Order No. 11 which includes necessa concrete work saw cutting, and grating required but not detailed in the original scope of work. ❑ Required Contractor's Certification Form Attached (Non - Collusion. Nan -Discrimination. Non -Debarment. E-Verifv. Iran. etc.) Amount of ® Increase $ 31,550.00 ❑ Decrease $ Previous Amount $ 13,468,684.87 Current Percent of Change: 0.26% New Amount $ 13,500,234.87 Total Percent of Change: +13.59% Dispersal After Approval Copy Original ® ❑ Al Greek, Director of Utilities ® ❑ Jacob M. Klosinski, Assistant City Engineer ® ❑ Carol Kurzhal, Director of Financial Services, Environmental Services INTER -OFFICE MEMORANDUM DEPARTMENT OF PUBLIC WORKS DIVISION OF UTILITIES TO: Members of the Board of Public Works Eric Horvath, Director of Public Works Michael Schmidt, Board of Public Works Attorney FROM. Al Greek, Director of Utilities Jacob M. Klosinski, Assistant City Engineer SUBJECT: Agenda Request Form — Change Order No. 11 Project No. 114-053: Wastewater Treatment Plant Secondary Treatment Improvements DATE: June 6, 2017 The Division of Utilities is requesting the Board of Public Works approval of Change Order No. 11 for Project No, 114-053 Wastewater Treatment Plant Secondary Treatment Improvements. Refer to attached documents for supporting details for work. Change Order No. 11 addresses the following changes: Wall Opening (sawcutting, drilling and demolition) Concrete Gate Pockets and Masonry Patching at Gallery #3 for Final Clarifier 4 & 5 Gates New Aluminum Walkways for Access to Gate Actuators Electrical Relocations Refer to Cost Breakdown Sheet for Line Item Cost Details. Notes: Cost breakdown for "Request for Proposal No. 2" herein described as Change Order No. 11. Approval of Change Order No. 11 with Change Order No. 12 provides cost savings. Original Cost Estimate $41,892.55 - $10,343.00 (reduction) = $31,549.55 Final Cost for Change Order No. 11 = $31,550.00 NET INCREASE FOR CHANGE ORDER NO. 11 ITEMS Original Contract Sum Net change by previously authorized change orders The contract sum prior to this change order By this change order, the project amount increases by The new contract sum including this change order is This Change Order represents a total change of Total change for the entire project Time Extensions resulting from Change Order No. 11. Substantial Completion: Final Completion: $ 31,550.00 $11, 885, 000.00 $ 1,583,684.87 $13,468, 684.87 $ 31,550.00 $13,500,234.87 +0.26% +13.59% +0 days +0 days The funding source for Change Order No. 11 is the 2012 Sewer Bond (661-0630-415-42-06). This approval is subject to a 310 Quarter Appropriation that will move bond funds from Sewer to Wastewater Treatment Plant for the purposes of paying for this Change Order No. 11 work. If there are questions regarding the subject change order, please contact Al Greek (Ext. 4210) or Jacob M. Klosinski (Ext. 9496) at the Division of Utilities. '7-7','a:a- ?"`,:: "- iadi'ux�rl...sx� � r _ pp J ,u a' �1 e t o �» s -.: #3 above), as the reduced staff time for RFP #3 adder may be offset by late release delay costs. In the meantime the owner has acknowledged that we are removing access ways associated with RFP 42, and has stated that they will provide means for temporary access of plant personnel until our replacement metals can be fabricated and installed. Since 01 C •aig Steele Contract Manager Cc; Jacob Klosinski, City of South Bend File INDUSTRIAL • MUNICIPAL CONTRACTOR 521 W. 84th Drive *Merrillville, IN 46410 . 219-947-4700 + Fax 219-947-4711 17219 Foundation Pkwy s Westfield, IN 46074 •317-867-3462 • Fax 317-867-3463 PRICING SHEET W_ �- PAGE 1 �OP - PAGES NAME: ARCH. OR CONTRACTOR: South Bend STi Pra'ecE Arcadia I _ LOCATION: TYPE OF WORK: Soutb Bend WWTP RIiP 42 ESTIMATED BY: Craig Steele PRICED BY: FXTENDED BY: CHECKED BY: DATE: �. -----_-�_ CIS _ IS C __ Cis -_ 512512017 LABOR/EQUIP I MATERIAL. DESCRIPTION QUAN. UNIT UNITS TOTAL UNITS TOTAL SUB TOTAL core drilling s sawcuItting------ I LS $3,500.00 Pamo -11 l3u4 +crane) 1 LS $ 2 5o0.98 $ 2 500.88 - ---- ----_ $ - -$3,500.00 $2 500,88 nump.t- 0.5 EA S $ 400.00 $ 200.00 S200.00 Gate Pockets $I OD0.00 $1000.00w Hand de=o wall opeeinva (2md) I LS - $ 1,555,84 $ 1555 84 $ - $1,555.84 onm ecer O.S EA $ - $ 400.00 S 200.00 $2WOO Backside formwork 2nrd I LS S 932.00 $ 932.00 $ 150.00 $ 150.00 S1 082.00 Dowels and rebar 2md I LS $ 932.00 $ 932.00 $ 300.00 $ 30000 $1232.00 Fo_ ]a 5vreck and mb (Bmd) 1 LS___ $ 3,728.00 S37226 00 $ 0.00 $ 400,00 $A 128.00 Mason alchin not needed based en elevation of cast stone band L$ $ $ 3 New Aluminum\►'allnv------�- __ __ __ __ _ - --- -- - _ New aluminum walkv y (3md + ne) I LS $ 2,500.88 $ 2,500,88 $ 4,000,09 $ 4,000,00 $6 M0.88 Electrical - - - - - - - - -- Electrical --� $ ---- --- $ ---- $4 070,00 $4 020.00 Contract Mana er-Cltxngeorder re emtion S 140.00 $ 1,120.00 $1,120.00 Contract Manager 40% of time extension $0 if RFP#3 approved) $ 140.00 $ 2,240,00 $2,240.00 Project Manager S 125.00 $ Su eriatendent(80%oftime ezlension)(S0 ifRFP#3 approved -- - EHR S II0,00 $ 3,520.00 $3,520.00 Field Enginecr 80% oftime extension $0 ifRPPN3 a roved $ 75.00 $ 2,400.00 $2400,00 Project Coordinator 20%oftime extension SO ifRFP#3 a raved $ 50.00 $ 400.00 S400.00 Subtotal= $21,829.60 Subtotal $5,250.00 $8 520.00 $35 599,60 Small Tools 3% $1067.99 Bond 1 % $366.68 Insurance(I%) $370.34 - Markup on Sub 5°/ $426,00 -____----------- -- ------ Markup on LlElh4 15 % $4 06194 TOTALAdds $41 892.55 NETCHANGE $41,892.55 CIRANGEORDER REQUEST $41,893.00 --�__ ADDITIONAL CONTRACT TIME: 5 Data Notes / Clarifications: Formu)ll besbaudwedbebbid eleclticai gciral gale pocicu -- - Eketdcal re,,o,k included m gate locations - Costs &[ Time: - If RFP1l2 & RFP p3 an: bodrapV-d, ynu can deduct (510.343) & 5 days from RFP N2 ---- -- ---- zmm �'`�� f �y.. L4 PI ........ ... 77 74., lll� A �j:,sa a. F "71" 7 17,17 - #3 above), as the reduced staff time for RFP #3 adder may be offset by late release delay costs. In the meantime the owner has acknowledged that we are removing access ways associated with RFP #2, and has stated that they will provide means for temporary access of plant personnel until our replacement metals can be fabricated and installed. Sigw'gasteele C Contract Manager Cc: Jacob Klosinski, City of South Bend File INDUSTRIAL • MUNICIPAL CONTRACTOR 521 W. 84th Drive •Merrillville, IN 46410.219-9474700 + Fax 219-947-4711 17219 Foundation Pkwy . Westfield, IN 46074 . 317-867-3462 • Fax 317-867-3463 PRICING SHEET PAG ] --- -- -�..-_.---- ---- - - Or PAGES ---- NAME: ARCH. OR CONTRACTOR: _ South Bend STI Project Arcadis I _ I _ TYPE OFSVORK: South Bend WWTP _ -- RFP #3 - Witit VG ESTIMATED BY.-CraiStcele-------- PRICED BY: EXTENDED BY: CHECKED BY: DATE: cis Cis cis 512612017 LABOR/EQUIP MATERIAL DESCRIPTION QUAN. UNIT I UNITS TOTAL UNITS TOTAL SUB TOTAL Demolition__.__.. ------- -----`--- - ---- Demo note Ad (15md + excl-aae/apider) 1 LS $ t1,7779.00 S 11,779.00 - - $ - $12,785.00 -- $24,564.00 Demo not. is (9md + avator) cadd I LS S- 5752.00 5 5,752.00 5 $l 625.00 $7 377.00 demo note 95 - VE, s for base RFP scope 1 LS $ $ _ Demo note 47 4md+exc/cranels ides 1 LS $ 5672.00 $ 5,672.00 $ $600.00 $6272.00 Democoncretewallnviysbel(wmd+excicranels ider I LS $ 5672.00 $ 5672.00 $ - $1750.00 $7422.00 Dum sters IO EA $ 400.OD 1 $ 4,000.00 $4000.00 Concrete ------ - -- -- ---- ____ aeration deck lincludes ste a, nosingrs, and e,p jointa) 116nm 8593 SF $ 11.02 $ 94,694.86 $ I0.33 $ 75,765.69 $13 000.00 $lea 460.55 Elevated walkways _VE_oee base RF8 add SF $_ - $ slab on grade ramp lad +equip ment) 391 Sr $-- 5.50 $ 2e50,S0 $ - 6,00 $-c346.00 Railings L4,d4fyr eL14tjEg (newt eailings (contract F it price - no addi 79 LF $ - $ - $ - $ - $4,89&00 $4,898,00 Remove & r�uaee railings contract unit price = no additional m/s 1077 LF $ - - $ - - $- - $ - $66,774.00 _ - $66,774.00 ------------------------- Metals.... Hatches 2 0 40" x 72" (4md + oranel _. I LS $-3032.0O $ 3032.00 $ 4006.00 $ - 4006T(5 Al --- in. co r plates 3 0 5' x lei land_+ ne) (macerial i I LS $ 3632.00 $ 303200 $ $ $3032.00 Misc base bid modificaeions - I LS $ $ $ 25,000.00 $25000.00 Coatings Touchup wall tops - VE, see base RPP add - 1 LS $ $ Electrical F.l catrfcal -_- - I LS-__ $ ---� --- $ ---- - $y7653.00 - $7653.00 Cantmcl Manager - Chan a order preperation 40 HR S 140.00 S 5,600.00 $5 600AO Contracl Manager 40% or billable hours for time extension 69.28 HR $ 140.00 S 9,699.20 $9 699.20 PJect Manager - HR $ 125.00 $ - Superin[endentl80%ofbillablehours for time extension 138.56 HR S 110.00 $ 15,241.60 $15,24L60 Field Engineer 80% of billable hours for time extension 138.56 HR $ 75.00 $ 10,392.00 $10 392.00 ProiectCoordinator (20/ofbillablehours for lime extension) 34.64 HR $- 50.00 $-1�732A0 --- ---__-- ----- -- $1732,00 Subtotal= $174,449.16 Subtolak $I11,117.09 1 $109,085.00 $394,651.85 Small'fools 3% $9699.40 Bond l% $3 326.69 I Insurance 1% $4076.68 - -- - Markup on Subs 51/. $] 870.65 Markupon L/FAf I5% 542 835 03 ---------- ---- --- ---- --- - TOTAL Adds $456 456.29 ---------------- NETCHANCE $456 450.29 CHANGE ORDER REQUEST $456,450.00 ADDITIONAL CONTRACT TIME: 30 Days Notes Clarifications: F-W-%Vest clwl wl crossing Ir,ndmils,rid bo cut orf at 8151 side of nendo,, ch. .1. _ Additional C1ariGcalions I Inclusions: North -South handrails at Fast side ofchanne) are NOT included Sequencing & material handling - - All new handrails will be anchored vs cared and grouted _ Safety decks £xis[in checker Iates to be shored and used as farms for new deck and remain'ut --�--------------� New deck to receive a light broom finish p. rpendicular to traffic lace � --- ---- ----- Material lestin _ . _._.__g..,_ Rubbing- _. .. ----- _--_ ----- Decking and handrails have been included on bath East & West sides of the Aearation deck for access and safe Haunch pockets We have assunted that concrete re9uirentents are the sable as the main'ob I r Shoring existing meW covers Electrical rework included for deck traffic box and rerouti n- conduit on handrail and existin- racks to refeed Soutlt li Itting Equipment Exe Cranes Punts Lu11 Medium tools elc- Hatch Pricing based oil Halliday Products W2S ACCESS F&C, and X2S RETRO-GRATE _ - Curing Expansion 'oinls VE; Drillin Dowels Tlds pricing includes the VE credil to ° rovee the t existin cel hanncrossia s, iri lieu of removing m K lace- tbam Accessories The new "step" location will be East of the existin- grating, Casts & Tittle; If RPP 41 & RFP #3 are bathe mred, youandeducl S10,141 & i da ys fmm RFP 02 Nola if this PCO is no[ a roved b the next Progress Meeting on 4/18117, our remaining East side work may he dela ed Page I °f l PRICING SHEET —___-_— OF 1PAGES NAM£: ARCH. OR CONTRACTOR: — South Bend STI PrdecE Areadis I1 ---- ------- --- — LOCATION: TYPE OF WORK: South Bend WWTP RPP N3 - Base bid add ESTIMATED BY: Craig Steele PRICED BY: EXTENDED BY: CHECKED BY: DATE: C15 CJS C35 5/26/2017 LABOR IEQUIP MATERIAL DESCRIPTION QUAN. UNIT UNITS TOTAL I UNITS TOTAL SUB TOTAL Demo€itioa nemo note ti6 add for base RFP scone €7md , ac/cyan — m..— — I LS — $ 10 I37.00 $ 10137A0 _14 $ $4,585.00 71_22.00 S--$400.00 Dum stets 1 EA 5 400.00 $ 400,.00 Concrete Elevated walkways - VE, see base RFP add 16md + equip-0 242 SF $ 12.33 $ 2,983.86 $ 5.87 $ 1,420.54 S4,404A0 Y......_ Touchup s 11 tops - VE, see base "P add l LS— $ $ $3 000,00 $3 000.00 Contract Manager - Change order preperation 4 HR $ 140.00 $ 560_00 — $560.00 Contract ManagerL 0/a of billable hours for lime extension __. .. HR $ I40 m $ —. --- Pra ect Mana ter lit $ 125.00 $ Superintendent 60% ofbillable hours for time extension HR $ 110.00 $ Field Enaianeer 800/6 of billable hours for time extension) FIR $ 75,00 $ - Pro ecl Coordinator 20%of billable hours for time extension HR $ 50.00 $ - Subtotal— $13 690.86 Subtotal— $1,820.54 $7 585.00 $23,096.40 $malt Tools 30/ $692.59 Hond 1% $237.79 ]nsurance I% $240.17 Marp on Subs 5% $379,25 _ —--------- --- — ____— -- _ Marku oa LlFJIt4 15% -- $2y325.21 — — ------ � -- — --- --- TOTAL Adds $26 961 A I NET CHANGE $26 961.41 CHANGE ORDER REQUEST $26 961.00 ADDITIONAI. CONTRACT TIME: 0 Days Notes/ Clarifications: This work will require a dry channel, and will be completed after all of the other work is done This revision assumes that the City will drain & clean the entire Aeration side channel allo%%ing us simultaneous access to all 4 deck re lacemeuts concurrent with our other deck work VE, This n includes the costs to n:moce and re tare the d esistin channel crossi inlicu oi' i ored' them Costs & Time: Costs and fame for this scope stand alone mm Date Name BOARD OF PUBLIC WORKS AGENDA ITEM REVIEW REQUEST FORM June 6, 2017 Jacob M. Klosinski Department Utilities Wastewater BPW Date June 13, 2017 Phone Extension 574 235-9496 Re aired Prior to Submittal to Board Legal ® Attorney Name Michael Schmidt Controller ® Controller review is required for all Contracts $5,000.00 or more and greater than one year in length per the City Purchasing Policy Purchasing ® Carol Kurzhal U Agreement U Contract LJ Proposal U Addendum ❑ Professional Services ❑ Resolution ❑ Bid Opening ❑ Bid Award ❑ Req. to Advertise ❑ Title Sheet ❑ Quote Opening ❑ Quote Award ® Change Order No. 12 ❑ CIO & PCA No. ❑ PCA ❑ Ease/Encroach. ❑ Traffic Control I-1 Other: Company or Vendor Name Thieneman Construction, Inc. New Vendor ❑ Yes ® No ❑ If Yes, Approved by Purchasing MBEIWBE Contractor ❑ MBE ❑ WBE MBENVBE Contractor Requested ❑ No ❑ Yes Name of Company Project Name Wastewater Treatment Plant Secondary Treatment Improvements Project Number 114-053 2012 Sewer Bond, Capital Improvements Wastewater Treatment Plant (subject to 3rd Quarter Appropriation) and Wastewater Funding Source Equipment Purchases 1 Treatment and Disposal Account No. 661-0630-415-42-06 (2012 Bond); 642-0630-415-43-66 Amount $ Terms of Contract Lump Sum and Unit Prices Purpose/Description The Division of Utilities recommends the approval of Change Order No. 12 which includes additional concrete decking, handrail, ramps, transitions. and adiustments to miscellaneous metals to remedv U Required Contractor's Certification Form Attached (Non - Collusion. Non -Discrimination. Non -Debarment, E-Verifv. Iran, etc. Amount of Increase $ 483,411.00; 30 days to Substantial and Final Completion Decrease $ Previous Amount $ 13,500,234.87 Current Percent of Change: +4.07% New Amount Total Percent of Change: Copy Original ® ❑ $ 13,983,645.87 +17.66% Dispersal After Approval Al Greek. Director of Utilities Jacob M. Klosinski, Assistant City Engineer Carol Kurzhal, Director of Financial Services, Environmental Services INTER -OFFICE MEMORANDUM DEPARTMENT OF PUBLIC WORKS DIVISION OF UTILITIES TO: Members of the Board of Public Works Eric Horvath, Director of Public Works Michael Schmidt, Board of Public Works Attorney FROM: Al Greek, Director of Utilities Jacob M. Klosinski, Assistant City Engineer SUBJECT: Agenda Request Form — Change Order No. 12 Project No. 114-053: Wastewater Treatment Plant Secondary Treatment Improvements DATE: June 6, 2017 The Division of Utilities is requesting the Board of Public Works approval of Change Order No. 12 for Project No. 1144-053 Wastewater Treatment Plant Secondary Treatment Improvements. Refer to attached documents for supporting details for the subject work. Change Order No. 12 addresses the following changes: Demolition of Concrete Walkways Demolition of Containment Area at the south end of Aeration New Concrete Aeration Gallery Decking New Aeration Gallery Handrail to replace obsolete and damaged rails New Hatches for Aeration Gallery 1 Tunnel Access Access Step Modifications for Gallery #1, #2 and #3 (WWTP Buildings #8, #9, and #10) Concrete Coatings and Coating Touch-up Electrical Relocations for Lighting and Receptacles Concrete Slab -on -Grade at south end of Aeration 1 Secondary Treatment for Vehicle Access NET INCREASE FOR CHANGE ORDER NO. 12 ITEMS $483,411.00 Original Contract Sum $11,885,000.00 Net change by previously authorized change orders $ 1,615,234.87 The contract sum prior to this change order $13,500,234,87 By this change order, the project amount increases by $ 483,411.00 The new contract sum including this change order is $13,983,645.87 This Change Order represents a total change of +4.07% Total change for the entire project +17.66% Time Extensions resulting from Change Order No. 9: Substantial Completion: +30 days Final Completion: +30 days Notes: Change Order No. 12 addresses "Request for Proposal No. 3" which the City requested pricing for after Arcadis U.S. completed the design effort previously approved by the Board of Public Works. The cost for this proposal includes value engineering costs from by Thieneman Construction in conjunction with the proposal pricing supplied for Change Order No. 12. This proposal was requested as an additional scope of work. The Aeration Gallery Deck had originally been omitted from the project as a cost saving measure during design. Low costs during bidding provided an opportunity to address safety and access deficiencies while the General Contractor is mobilized and performing work at the Aeration Gallery. The resultant effort results in an increase in costs and will providing better access to the Aeration Gallery, Aeration Tanks 1-4 and Final Clarifiers 1-5. The funding sources for the construction of this project are the 2012 Sewer Bond (661-0630- 415-42-06) and Wastewater Equipment Purchases / Treatment and Disposal (642-0630-415-43- 66). This approval is subject to a 3rd Quarter Appropriation that will move bond funds from Sewer to Wastewater Treatment Plant for the purposes of paying a portion of Change Order No. 12. The expected split is $78,742.04 from the 2012 Sewer Bond and $404,668.96 from the Wastewater Equipment Purchases / Treatment and Disposal Account. If there are questions regarding the subject change order, please contact Al Greek (Ext. 4210) or Jacob M. Klosinski (Ext. 9496) at the Division of Utilities.