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R2023-012 2023-02-20RESOLUTION NO. R2023-12 A Resolution of the City Council of the City of Pearland, Texas, amending a Construction Manager at Risk contract (Barry Rose Water Reclamation Facility Project) with McCarthy Building Companies in the additional amount of $1,170,857.00 (total contract amount of $2,348,777.00) for pre-construction services. BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF PEARLAND, TEXAS: Section 1. That the City Council hereby amends a Construction Manager at Risk contract with McCarthy Building Companies in the additional amount of $1,170,857.00 (total contract amount of $2,348,777.00) for pre-construction services. Section 2. The City Manager or his designee is hereby authorized to execute an amended Construction Manager at Risk contract for the Barry Rose Water Reclamation Facility Project. PASSED, APPROVED and ADOPTED this the 20th day of February, A.D., 2023. ________________________________ J.KEVIN COLE MAYOR ATTEST: ________________________________ FRANCES AGUILAR, TRMC, MMC CITY SECRETARY APPROVED AS TO FORM: ________________________________ DARRIN M. COKER CITY ATTORNEY DocuSign Envelope ID: 45279FCE-086B-4A7C-B61D-8AF1FAC492C0 DocuSign Envelope ID: 4687ECF5-49BD-43E8-B578-BD9C74C7FCF32/22/2023 | 1:12 PM CST2/22/2023 | 3:00 PM PST DocuSign Envelope ID: 4687ECF5-49BD-43E8-B578-BD9C74C7FCF3 CONTINUATION SHEET AIA DOCUMENT G703 PAGE OF PAGES AIA Document G702, APPLICATION AND CERTIFICATION FOR PAYMENT, containing APPLICATION NO:4774-PRECON-AUG22 Contractor's signed certification is attached.APPLICATION DATE:08/31/22 In tabulations below, amounts are stated to the nearest dollar.PERIOD TO: 08/31/22 Use Column I on Contracts where variable retainage for line items may apply.OWNER PROJECT NO: WW1502 WW1906 B C D E F G H I WORK COMPLETED TOTAL % ID DESCRIPTION OF WORK SCHEDULED FROM PREVIOUS THIS PERIOD MATERIALS COMPLETED Complete BALANCE VALUE APPLICATION PRESENTLY AND STORED (I ÷ E)TO FINISH (E + F)STORED TO DATE (D- H) 1 Budget Confirmation Review (BARRY ROSE)14,960.00$ 14,960.00$ 14,960.00$ 100.00% -$ 2 Opinion of Probable Construction Cost (OPCC) (BARRY ROSE)28,480.00$ 28,480.00$ 28,480.00$ 100.00% -$ 3 30% Cost Estimate (BARRY ROSE)142,400.00$ -$ -$ 0.00% 142,400.00$ 4 30%-60% Continuous Costing (BARRY ROSE)156,936.00$ -$ -$ 0.00% 156,936.00$ 5 60% Cost Estimate (BARRY ROSE)170,160.00$ -$ -$ 0.00% 170,160.00$ 6 60%-90% Continuous Costing (BARRY ROSE)116,856.00$ -$ -$ 0.00% 116,856.00$ 7 Early GMP Documents (BARRY ROSE)40,768.00$ -$ -$ 0.00% 40,768.00$ 8 Bid Package and Award Phase (BARRY ROSE)117,376.00$ -$ -$ 0.00% 117,376.00$ 9 90% Cost Estimate / GMP (BARRY ROSE)74,400.00$ -$ -$ 0.00% 74,400.00$ 10 Owner Preconstruction Allowance (BARRY ROSE)80,000.00$ 80,000.00$ 80,000.00$ 100.00% -$ 11 Budget Confirmation Review (LONGWOOD)3,740.00$ 3,740.00$ 3,740.00$ 100.00% -$ 12 Opinion of Probable Construction Cost (OPCC) (LONGWOOD)7,120.00$ 7,120.00$ 7,120.00$ 100.00% -$ 13 30% Cost Estimate (LONGWOOD)35,600.00$ -$ -$ 0.00% 35,600.00$ 14 30%-60% Continuous Costing (LONGWOOD)39,234.00$ -$ -$ 0.00% 39,234.00$ 15 60% Cost Estimate (LONGWOOD)42,540.00$ -$ -$ 0.00% 42,540.00$ 16 60%-90% Continuous Costing (LONGWOOD)29,214.00$ -$ -$ 0.00% 29,214.00$ 17 Early GMP Documents (LONGWOOD)10,192.00$ -$ -$ 0.00% 10,192.00$ 18 Bid Package and Award Phase (LONGWOOD)29,344.00$ -$ -$ 0.00% 29,344.00$ 19 90% Cost Estimate / GMP (LONGWOOD)18,600.00$ -$ -$ 0.00% 18,600.00$ 20 Owner Preconstruction Allowance (LONGWOOD)20,000.00$ -$ -$ 0.00% 20,000.00$ SUB TOTAL $1,177,920 $134,300 $0.00 $0 $134,300.00 11.40% $1,043,620 Change orders $1,170,857 $608,982 $0 $0 $608,982 52.01% $561,875 CO #1.1 30% Estimating & Costing Stantec Design $236,850.00 $236,850.00 $236,850 100.00% $0.00 CO #1.2 CMAR & Precon Post-Stantec & Consolidation Study $372,132.00 $372,132.00 $372,132 100.00% $0.00 CO #1.3 Owner Preconstruction Allowance - Critical Repairs $561,875.10 -$ -$ 0.00% $561,875.10 GRAND TOTALS $2,348,777 $743,282 $0 $0.00 $743,282 31.65% $1,605,495.10 Users may obtain validation of this document by requesting of the license a completed AIA Document D401 - Certification of Document's Authenticity Items from PA3 Col. F transferred to CO#1.2 Proposed Allowance included in CO#1 Previously billed items transferred to the CO 1.1 item Pro Forma - SOV R2 Work to date - as adjusted by PCO #1 DocuSign Envelope ID: 4687ECF5-49BD-43E8-B578-BD9C74C7FCF3 A McCarthy Holdings, Inc. company 15415 Market Street, Channelview, TX 77530 P 713-963-9790 mccarthy.com January 31, 2023 Jameson Appel Assistant Director of Capital Projects, Engineering & Public Works 2016 Old Alvin Rd. Pearland, TX 77581 RE: Barry Rose WRF Expansion and Longwood Water Reclamation Facility Decommissioning Projects # WW1502 and WW1906 Change Order #1 – Barry Rose & Longwood Critical Repairs Proposal Terms and Conditions Revision 3 – 31 January 2022 Dear Mr. Appel, As a follow up to our meeting of January 30th, McCarthy is pleased to submit our revised proposal for the Critical Repairs of the Barry Rose and Longwood Water Reclamation Facilities. Attached you will find a breakdown of our pricing, a listing of assumptions and clarifications included with this pricing along with a detailed inclusions log for each line item and scope. Should you have any questions regarding this proposal, we will be available to meet and discuss with at your convenience. Once again, we appreciate the opportunity to be part of this exciting project and hope that our proposal meets your needs. Very Respectfully, John Walker Project Manager Cc: Aaron Moss Lars Erickson Jake Stones DocuSign Envelope ID: 4687ECF5-49BD-43E8-B578-BD9C74C7FCF3 1/31/2023 - Pre-construction Phase Change Order #1 – Critical Repairs at Barry Rose WRF & Longwood WRF – Assumptions and clarifications 1. McCarthy to furnish all necessary labor, supervision, materials and equipment to Install Critical Repairs scope as identified in the attached Critical Repairs Matrix. 2. McCarthy is providing construction services and “like for like” replacement of existing components only; no engineering evaluation of components has been performed nor is the performance of any component guaranteed or implied beyond those provided by individual equipment manufacturers. 3. This proposal is based on completing all work in one mobilization and in a continuous manner. 4. Acceptance of this proposal assumes acceptance of the quoted equipment models & manufacturers; procurement of equipment will commence upon notice to proceed for this change order. 5. New Equipment including valves, pumps and instrumentation will be warranted by Manufacturer’s standard Warranty for duration shown in same; McCarthy warrants all other material furnished with the Critical Repairs scope will be new and to the best standards commonly used in the industry; the work shall be free of defects in material or workmanship, and shall be safe and suitable for the particular purpose for which it is to be used. This warranty shall remain in effect for twelve (12) months from the date of installation. 6. Prices presented in the attached matrix are cost-reimbursable and McCarthy’s best estimate of maximum cost per item following visual inspection of existing conditions. Upon discovery of un- seen conditions that would cause an increase in repair cost McCarthy will notify the City of Pearland in writing and request further direction before proceeding with any additional repairs that would increase the cost above those presented in the pricing matrix. 7. Small size sump pumps for Barry Rose items B-102 and B-901 will be furnished by the City of Pearland and installed by McCarthy Specific Exclusions 8. All costs for permitting are excluded. 9. Sales tax on permanently incorporated materials – a sales tax exempt certificate will be provided. Owner is Tax Exempt. 10. Dust control and the installation, maintenance and/or removal of any SW3P plans or devices is excluded. 11. Cleaning/solids removal from lift stations and treatment structures (Clarifiers, Digesters, etc.) and disposal of accumulated solids. This work will be provided by City of Pearland resources. 12. Supply of pumps/equipment necessary to reduce influent lift station flow levels to allow access for pump repair. 13. Preparation of submittals or approval packages for equipment or any other component of this work; pricing on equipment offered is valid for 30 days of this proposal, the incorporation of a review cycle that results in delayed ordering may incur price escalation. DocuSign Envelope ID: 4687ECF5-49BD-43E8-B578-BD9C74C7FCF3 PCO 001 - CRITICAL REPAIRS PEARLAND, TX BARRY ROSE / LONGWOOD IMPROVEMENTS Item # Area Pearland Priority Description Amount ROM (-) Status Comments / Action B-101 100 - INFLUENT LIFT STATION 4K Mid-Level Pump # 3 12" Check Valve Replacement $10,177 Approved Per CoP: Repair completed, remove B-102 100 - INFLUENT LIFT STATION 4J Sump pump in bottom level @ pump #1 & 2 needs fixed /replaced $822 Approved B-103 100 - INFLUENT LIFT STATION Add Radar Level Instrument (Vega 90 Mhz) at Wet Well $9,902 Approved B-104 100 - INFLUENT LIFT STATION Replace All Lift Station Check Valves $8,401 Approved B-105 100 - INFLUENT LIFT STATION Pump and Motor Alignment - Lift Station Bottom Level $3,538 Approved B-201 200 - HEADWORKS 3M Influent Flow Meters $21,495 Rejected Per CoP: Remove B-202 200 - HEADWORKS Low RACO Alarm Agent - Alarm & Administrative Assistance $2,810 Approved B-301 300 - AERATION BASIN (RACE TRACK) 3L NPW 90 to be replaced at Bar Screens / A-Basin $115 Approved B-302 300 - AERATION BASIN (RACE TRACK) 5C Securing Floating Mixer in A Basin $4,915 Approved B-401 400 - CLARIFIERS 5A Clarifier #2 Rake Repair $59,430 Approved B-402 400 - CLARIFIERS 5B Clarifier #2 Drain Valve Repair/Replace $43,061 $15,000.00 Approved ROM-$15,000 Line Stop/Valve insert if required B-403 400 - CLARIFIERS 5D Clarifier #1 & #2 Weir Adjustments $33,025 Approved B-404 400 - CLARIFIERS 3O Clarifier #2 RAS check valve leaking $7,060 Approved B-405 400 - CLARIFIERS Clarifier #1 & #2 Limitorque Valves & Actuators not functioning $47,321 Approved Investigate/troubleshoot only, replacement actuators in ROM+ est. only need Limitorque Pricing B-501 500 - DISC FILTERS N/A Disc Filters not working (No Action right now) $0 Rejected B-601 600 - CHLORINE CONTACT Air drops need to be fixed (Qty 2)$2,702 Approved B-701 700 - CHLORINE / DECHLOR (SB) 5I Chlor / SB Pumps - Add Controls to Run in Flow Pace $1,405 Approved B-801 800 - NON-POTABLE SYSTEM (NPW) 5H Non Potable System Pump & Piping Replacement $11,268 Approved B-851 850 - EFFLUENT CHANNEL Online Chlorine Residual Monitor at Effluent Channel $24,777 Rejected Per CoP: Remove, Flow pace Only B-852 850 - EFFLUENT CHANNEL 5H SB Injection Replacement / Heat Trace $3,280 Approved Added power feed - was included w/ B-851 add circuit B-901 900 - DIGESTERS 5E Digester #1 Drops Replacement & Valve Repair $5,801 Approved B-902 900 - DIGESTERS 5F Digester #2 Transfer Valves Need Repair/ Replaced $11,955 Approved B-951 950 - SLUDGE PUMP STATION 3N Sludge Sump Pump Needs Repair / Replace $702 Approved Revised - Per CoP they will provide Pump B-952 950 - SLUDGE PUMP STATION 5G Sludge Pump #1 Needs Repair / Replace $12,027 Approved B-953 950 - SLUDGE PUMP STATION Sludge Pump #2 Needs Repair / Replace $12,027 Approved B-960 950 - SLUDGE PUMP STATION Centrifuge Repair $20,162 $5,000.00 Approved ROM - $5,000 TBD Vendor replacement parts B-1001 1000 - SITE / MISC General SCADA Maintenance $0 Rejected Not investigated/priced L-1001 1000 - SITE / MISC General SCADA Maintenance $0 Rejected Not investigated/priced L-101 100 - INFLUENT LIFT STATION 5A Replace / Repair (1) 12" LS Pump $12,716 Approved Per CoP 1/30/23 - repair pumps not new pumps L-102 100 - INFLUENT LIFT STATION 5B Replace / Repair (2) 8" LS Pumps $62,250 Approved Per CoP 1/30/23 - provide 2x Pumps L-103 100 - INFLUENT LIFT STATION Level Instrument at Lift Station $8,277 Approved L-301 300 - AERATION BASIN (RACE TRACK) 3L Air Leak on Rear Side of Tank Number 1 $4,597 Approved L-401 400 - CLARIFIERS 5E Clarifier #1 Drain Valve Repair / Replace $52,014 $15,000.00 Approved ROM-$15,000 Line Stop/Valve insert if not required L-402 400 - CLARIFIERS 5F Clarifier Skimming Rakes Fix $3,081 Approved L-403 400 - CLARIFIERS 5F Clarifier #1 Scum Pump Repair $11,990 $10,000.00 Approved ROM $10,000 Skid mounted Replacement Pump if reqd L-404 400 - CLARIFIERS 4G RAS Pump Mechanical Seal (Pump #3)$32,258 Approved L-405 400 - CLARIFIERS 4H RAS Pump #2 Isolation Valve Replace $3,728 $3,728.00 Approved McCarthy to investigate Valve replacement required L-406 400 - CLARIFIERS 4I RAS Pump #3 Check Valve - Repair / Replace $9,232 Approved L-501 500 - DISC FILTERS N/A Disc Filters not working $0 Rejected L-601 600 - CHLORINE CONTACT 5D Fix Air Lines and Main Blower Feed $8,887 Approved L-602 600 - CHLORINE CONTACT 5C Flow Meter Repair / Replace $14,784 Approved Per CoP 1/30/23 -Will try the VEGA meter, add back L-701 700 - CHLORINE / DECHLOR (SB) 4J Insulate SB Lines $3,959 Approved L-901 900 - DIGESTERS 4K Replace/repair gooseneck and valve on Air Header $2,294 Approved G-100 1000 - SITE / MISC General Conditions $19,903 Approved Includes:TOTAL APPROVED $561,875 Bonds 1.37%TOTAL REJECTED $46,273 Small Tools & Consumables 5.00%TOTAL PENDING $0 Overhead and Profit (OH&P)6.00%TOTAL ROM (-)$48,728 Liability Insurance 2.70% $321,857 Approved $240,018 Total - Barry Rose Only Total - Longwood Only DocuSign Envelope ID: 4687ECF5-49BD-43E8-B578-BD9C74C7FCF3 PCO 001 - CRITICAL REPAIRS PEARLAND, TX BARRY ROSE / LONGWOOD IMPROVEMENTS Item Plant Area Description Includes Excludes Quoted Procurement Lead Time B-101 Barry Rose 100 - INFLUENT LIFT STATION Mid-Level Pump # 3 12" Check Valve Replacement Furnish & replace one 12" Check Valve for Pump #3 on the mid-level of the Influent Lift Station. This includes new 12” Henry Pratt Wafer Style Model 700 12” Henry Pratt Wafer Style Model 700 with external lever & spring, Cast iron body, 316 SS disc & shaft, Buna-n seat, Coating: 4 mils Amerlock in & out. Also includes required hardware. 1 week B-102 Barry Rose 100 - INFLUENT LIFT STATION Sump pump in bottom level @ pump #1 & 2 needs fixed /replaced Replace the sump pump in the drywell, bottom level. This includes a new sump pump and required miscellaneous fittings to ensure proper operation. 2 weeks B-103 Barry Rose 100 - INFLUENT LIFT STATION Add Radar Level Instrument (Vega 90 Mhz) at Wet Well Furnish and Install one (1) VEGAPULS C 21 wired radar sensor for continuous level measurement of the influent lift station wet well. Range is up to 15m with an accuracy of +/- 2mm. Includes VEGAMET 861 controller and display insturment for level sensor. Includes 316L SST mounting bracket with adjustable sensor holder and required mounting hardware. Includes install of power, including all applicable conduit, wire, cable. 7 weeks B-104 Barry Rose 100 - INFLUENT LIFT STATION Replace All Lift Station Check Valves Furnish & replace two (2) 8" check valve for lower level of influent pump station, and provide one (1) 8" check valve as a spare only. Inlcudes new Henry Pratt, AWWA, Swing Check Valve, Flanged, CI Body, Cover and Disc, Bronze Body Seat Ring, Buna-N Disc Seat Ring with Single Lever and Weight, Coating: 8 Mils Carboguard 891 Interior and Exterior. Also includes required gaskets & hardware. 1 week B-105 Barry Rose 100 - INFLUENT LIFT STATION Pump and Motor Alignment - Lift Station Bottom Level Inlcudes 8 hours of investigation, and install two (2) flap valve repair kits for the pumps in the influent lift station lower level. Removal of solids from wet well and supply/operation of pumps to lower wet well flow level by City of Pearland 1 week B-201 Barry Rose 200 - HEADWORKS Influent Flow Meters Removed from Scope B-202 Barry Rose 200 - HEADWORKS RACO Alarm Agent - Alarm & Administrative Assistance Includes investigation and administration time to fix phone numbers for alarm and ensure proper login capabilities for the city, as well as brief training with operators. Assumes RACO unit is working correctly. N/A B-301 Barry Rose 300 - AERATION BASIN (RACE TRACK) NPW 90 to be replaced at Bar Screens / A-Basin Replace PVC Sch 80 elbow at Headworks/A-basin to tie-in NPW system hose for wash down water at A-Basin. N/A B-302 Barry Rose 300 - AERATION BASIN (RACE TRACK) Securing Floating Mixer in A Basin Includes securing the floating mixer in the A-Basin with three 3/8 304 SST wire rope at three (3) connection points. Existing connection points from previously installed securing wires will be used. 1 week B-401 Barry Rose 400 - CLARIFIERS Clarifier #2 Rake Repair Includes two weeks of investigation and repair of clarifier #2 rakes. Includes allowance for $25,000 in metal fabrication & installation to aid in the repair of the rake system. Excludes draining clarifiers and/or solids removal- assumed to be drained/vacuumed by City of Pearland. B-402 Barry Rose 400 - CLARIFIERS Clarifier #2 Drain Valve Repair/Replace Supply of Hot-Tap valve insertion if replacement of valve determined necessary, this cost will be credited if valve replacement not required. B-403 Barry Rose 400 - CLARIFIERS Clarifier #1 & #2 Weir Adjustments Replacement/overlay of carbon steel weir material over existing weirs to achieve proper elevation. saw-tooth cutting/notching of replacement weir material 1 week B-404 Barry Rose 400 - CLARIFIERS Clarifier #2 RAS check valve leaking Replace 10" check valve with Pratt AWWA, Swing Check Valve, Flanged, CI Body, Cover and Disc, Bronze Body Seat Ring, Buna-N Disc Seat Ring with Single Lever and Weight, Coating: 8 Mils Carboguard 891 Interior and Exterior. Also includes replacement of existing gaskets and hardware. 1 week B-405 Barry Rose 400 - CLARIFIERS Clarifier #1 & #2 Limitorque Valves & Actuators not functioning 8 Hours to troubleshoot existing actuator and recommend repair, pricing inlcudes full replacement of 2x actuators - to be credited if repair not elected or required. B-501 Barry Rose 500 - DISC FILTERS Disc Filters not working (No Action right now)N/A No work planned on Disc Filters. B-601 Barry Rose 600 - CHLORINE CONTACT Air drops need to be fixed (Qty 2)Air Drop replacements at Barry rose will be Galvanized Steel, Sch. 80 similar to existing hardware/fittings for air drops. B-701 Barry Rose 700 - CHLORINE / DECHLOR (SB)Chlor / SB Pumps - Add Controls to Run in Flow Pace McCarthy EIC superintendent to troubleshoot; small parts/components B-801 Barry Rose 800 - NON-POTABLE SYSTEM (NPW) Non Potable System Pump & Piping Replacement Includes full replacement of NPW pump area including two (2) new NPW pumps and applicable PVC piping. B-851 Barry Rose 850 - EFFLUENT CHANNEL Online Chlorine Residual Monitor at Effluent Channel Removed from Scope B-852 Barry Rose 850 - EFFLUENT CHANNEL SB Injection Replacement / Heat Trace Install manually operated Heat tracing, insulate over at exposed SB piping No automatic controller for heat tracing; must be plugged/un-plugged manually B-901 Barry Rose 900 - DIGESTERS Digester #1 Drops Replacement & Valve Repair Install valves supplied by City of Pearland; McCarthy to provided hardware (nut/bolt kits) Supply of Valves with integral gasktes B-902 Barry Rose 900 - DIGESTERS Digester #2 Transfer Valves Need Repair/ Replaced Supply of Hot-Tap valve insertion if replacement of valve determined necessary, this cost will be credited if valve replacement not required. B-951 Barry Rose 950 - SLUDGE PUMP STATION Sludge Sump Pump Needs Repair / Replace Replace the sump pump in the drywell, bottom level. This includes a new sump pump and required miscellaneous fittings to ensure proper operation. 1 week B-952 Barry Rose 950 - SLUDGE PUMP STATION Sludge Pump #1 Needs Repair / Replace Remove existing pump and replace with skid mounted Allweiler AEB1F553 Progressing Cavity Pump w/7.5-HP 1800 RPM Motor. Pump will be connected to existing piping system with 150CL flex reinforced hose & fittings; existing valving will not be replaced. Replacement of existing valves. B-953 Barry Rose 950 - SLUDGE PUMP STATION Sludge Pump #2 Needs Repair / Replace Remove existing pump and replace with skid mounted Allweiler AEB1F553 Progressing Cavity Pump w/7.5-HP 1800 RPM Motor. Pump will be connected to existing piping system with 150CL flex reinforced hose & fittings; existing valving will not be replaced. Replacement of existing valves. B-1001 Barry Rose 1000 - SITE / MISC General SCADA Maintenance N/A No work included with Critical Repairs Scope DocuSign Envelope ID: 4687ECF5-49BD-43E8-B578-BD9C74C7FCF3 PCO 001 - CRITICAL REPAIRS PEARLAND, TX BARRY ROSE / LONGWOOD IMPROVEMENTS L-1001 Longwood 1000 - SITE / MISC General SCADA Maintenance N/A No work included with Critical Repairs Scope L-101 Longwood 100 - INFLUENT LIFT STATION Replace / Repair (1) 12" LS Pump Includes clean pump & replace internal flap valve assembly, Removal of solids from wet well and supply/operation of pumps to lower wet well flow level by City of Pearland 2 weeks L-102 Longwood 100 - INFLUENT LIFT STATION Replace / Repair (2) 8" LS Pumps Inlcudes furnish/install 2x new FLYGT model NP3153, 6 inch disch. Electrical submersible pumps with 460v/3 phase/60 HZ, 1750 RPM motor with 50' connector cable and 304SS lifting Chain. Repair or replacement of guide rails; guiderails appear to be functioning properly following additional investigation 13 weeks L-103 Longwood 100 - INFLUENT LIFT STATION Level Instrument at Lift Station Furnish and Install one (1) VEGAPULS C 21 wired radar sensor for continuous level measurement of the influent lift station wet well. Range is up to 15m with an accuracy of +/- 2mm. Includes VEGAMET 861 controller and display insturment for level sensor. Includes 316L SST mounting bracket with adjustable sensor holder and required mounting hardware. Includes install of power, including all applicable conduit, wire, cable. 7 weeks L-301 Longwood 300 - AERATION BASIN (RACE TRACK) Air Leak on Rear Side of Tank Number 1 Repair damaged pipe section with Smith Blair style coupling 2 weeks L-401 Longwood 400 - CLARIFIERS Clarifier #1 Drain Valve Repair / Replace Supply of Hot-Tap valve insertion if replacement of valve determined necessary, this cost will be credited if valve replacement not required. Replacement of concrete sidewalk - removed concrete will be replaced with crushed rock material. L-402 Longwood 400 - CLARIFIERS Clarifier Skimming Rakes Fix Installation of repair parts currently located at Longwood, McCarthy to supply hardware to affix componets (nuts/bolts) custom fabrication of new components L-403 Longwood 400 - CLARIFIERS Clarifier #1 Scum Pump Repair Troubleshoot ing of existing pump - Pump appears to be running; Price includes $10,000 replacement pump which will be creditted if replacement determined not required following further troubleshooting L-404 Longwood 400 - CLARIFIERS RAS Pump Mechanical Seal (Pump #3) Replace 2 of 3 exisitng RAS Pumps with Skid Mounted Gormann Rupp Model T6A3S-B 6" Dia. Centrifugal Self Priming Pump with 20HP - 1200 RPM motor. Pump skids to be connected to existing piping with 150 CL reinforced hoses and fittings. 10 weeks L-405 Longwood 400 - CLARIFIERS RAS Pump #2 Isolation Valve Replace Includes 6" Gate valve & Nut/Bolt/Gasket replacment - On further investigation appears operation, will credit if not required 2 weks L-406 Longwood 400 - CLARIFIERS RAS Pump #3 Check Valve - Repair / Replace Replacement of 3 each RAS pump discharge check valves with 8 Inch PRATT AWWA Swing Check Valve, Flanged, CI Body, Cover and Disc, Bronze Body Seat Ring, Buna-N Disc Seat Ring with Single Lever and Weight, Coating: 8 Mils Carboguard 891 Interiror and Exteriro L-501 Longwood 500 - DISC FILTERS Disc Filters not working N/A No work planned on Disc Filters. L-601 Longwood 600 - CHLORINE CONTACT Fix Air Lines and Main Blower Feed Repair ccorroded air header section with Smith-Blair style repair coupling 2 weeks L-602 Longwood 600 - CHLORINE CONTACT Flow Meter Repair / Replace Furnish and Install one (1) VEGAPULS C 21 wired radar sensor for continuous level measurement of the influent lift station wet well. Range is up to 15m with an accuracy of +/- 2mm. Includes VEGAMET 861 controller and display insturment for level sensor. Includes 316L SST mounting bracket with adjustable sensor holder and required mounting hardware. Includes install of power, including all applicable conduit, wire, cable. 7 weeks L-701 Longwood 700 - CHLORINE / DECHLOR (SB) Insulate SB Lines Install manually operated Heat tracing, insulate over at exposed SB piping No automatic controller for heat tracing; must be plugged/un-plugged manually L-901 Longwood 900 - DIGESTERS Replace/repair gooseneck and valve on Air Header Gooseneck pipe to be Shc. 80 galvanized steel ; 5x air header drops at CCB to be replaced with 304SS Pipe/Valve & hardware G-100 General 1000 - SITE / MISC General Conditions General conditions as listed on G-100 detail sheet provided with package. DocuSign Envelope ID: 4687ECF5-49BD-43E8-B578-BD9C74C7FCF3