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Item 4D - MemoCITY OF SOUTI-HLAKE MEMORANDUM (June 21, 2022) To: Shana Yelverton, City Manager From: Rob Cohen, Director of Public Works Item 4D Subject: Approve the construction contract award for the Southlake Glen Erosion Improvements project to Humphrey & Morton Construction Company, Inc. in an amount not to exceed $640,000. Action Requested: Approve the construction contract award for the Southlake Glen Erosion Improvements project to Humphrey & Morton Construction Company, Inc. in an amount not to exceed $640,000. Background Information: Channel stream erosion along Gateway Lakes Park is currently compromising City's infrastructure as a result of exposure along the banks. In 2019, the City removed the pedestrian bridge connecting the trail due to the significant erosion exposing the bridge's substructure and compromising its structural integrity. The project at Southlake Glen aims to protect existing public infrastructure by constructing a spillway and gabion channel armoring to address the significant erosion along the stream banks. This project will also incorporate a pedestrian bridge to re -connect the trail and allow a continuous path through the park. This project is required to prevent damage to downstream public and private land and public facilities. Solicitation of bids for this project began on April 10, 2022 and sealed bids were received and opened on May 13, 2022. The five bids received for this project are shown in below bid tabulation: Bidder Bid Amount AT Construction, LLC $ 489,000.00 Humphrey & Morton Construction Company, Inc. $ 541,414.00 JB & Co., LLC $ 786,630.00 Ark Contracting Services, LLC $ 918,981.00 Cole Construction, LLC $ 969,255.75 City staff and its design consultant, Teague Nall and Perkins, Inc. have reviewed and scored five bids using best value criteria as Page 1 of 3 Item 4D described in the project manual. The evaluation criteria for this bid were the contract price (50%); the reputation of the bidder including key personnel (15%); the reputation and quality of the bidder's goods or services (15%); the bidder's past relationship with the City (10%); and the bidder's responsiveness (10%). Humphrey & Morton Construction Company, Inc. excelled over the lowest bid based on the following: • Excellent reputation with other municipalities and entities that provided high scores and remarks; • Provided a complete statement qualifications and relevant project experience similar to this project. Based on the evaluation of proposals, qualifications, and references led to the recommendation of Humphrey & Morton Construction Company, Inc. for this project. The bid from Humphrey & Morton Construction Company, Inc. came in at $541,414 for anticipated work. Staff is requesting authorization for a total of $640,000 which includes a $98,586 contingency for construction expenses that may arise due to unforeseen field conditions. The anticipated start date of this project is July 2022 and is estimated to take 10-12 months to complete. Financial Considerations: Funding for this award is budgeted as part of the approved Capital Improvement Program. The agreement is within the project budgets. Strategic Link: This item links to the City's Strategy Map strategic focus areas of Safety & Security and Quality Development. It specifically relates to the City's Corporate Objectives, Cl: Achieve The Highest Standards Of Safety & Security and C3: Provide Attractive & Unique Spaces For Enjoyment Of Personal Interests. The Critical Business Outcome is, CBO3: Engage In Thoughtful Planning To Ensure Continued High Quality Development That Is Integrated Well Into The Current Built Environment. Citizen Input/ Board Review: None Legal Review: This is the standard construction services contract that has been previously reviewed by the City Attorney. Alternatives: The City Council may approve or deny the contract. Supporting Documents: Attachment A: Bid Tabulation Page 2 of 3 Item 4D Staff Recommendation: Approve the construction contract award for the Southlake Glen Erosion Improvements project to Humphrey & Morton Construction Company, Inc. in an amount not to exceed $640,000. Staff Contact: Rob Cohen, Director of Public Works Kevin Ferrer, P.E., Deputy City Engineer Bryan Ahumada, P.E., Civil Engineer Page 3of3 Attachment A BID TABULATION REPORT ^'1' CLIENT: THE CITY OF SOUTHLAKE ^tnp DESCRIPTION: EROSION IMPROVEMENTS FOR SOUTHLAKE GLEN TNP JOB NO: SLK 20163 ENGINEER'S ESTIMATE: $627,448 BIDDERS BID DATE: May 13, 2022 Humphrey Morton BID TIME: 11:OOAM AT Construction Cole Construction Ark Contracting Services LLC Construction JB & Co LLC ITEM DESCRIPTION OF ITEMS QUANTITY UNIT UNIT COST TOTAL UNIT COST TOTAL UNIT COST TOTAL UNIT COST TOTAL UNIT COST TOTAL NO. Task A - Erosion Improvements for Southlake Glen A-1 Mobilization, Bonds and Insurance 1 LS $30,000.00 $30,000.00 $100,842.04 $100,842.04 $162,550.00 $162,550.00 $23,516.00 $23,516.00 $75,000.00 $75,000.00 A-2 Demolition and Site Preparation 1 LS $35,000.00 $35,000.00 $94,189.11 $94,189.11 $49,300.00 $49,300.00 $9,280.00 $9,280.00 $35,000.00 $35,000.00 A-3 Joint SWPPP (Design and Implementation) 1 LS $10,000.00 $10,000.00 $1,406.93 $1,406.93 $3,500.00 $3,500.00 $978.00 $978.00 $15,000.00 $15,000.00 A-4 Excavation and Grading 1 LS $55,000.00 $55,000.00 $93,301.80 $93,301.80 $73,350.00 $73,350.00 $14,132.00 $14,132.00 $15,000.00 $15,000.00 A-5 18" Gabion Matress 252 SY $105.00 $26,460.00 $330.61 $83,313.72 $174.00 $43,848.00 $219.00 $55,188.00 $285.00 $71,820.00 A-6 Flexamat Erosion Protection 205 SY $60.00 $12,300.00 $315.03 $64,581.15 $86.00 $17,630.00 $52.00 $10,660.00 $115.00 $23,575.00 A-7 Gabion Basket 510 CY $180.00 $91,800.00 $400.00 $204,000.00 $622.00 $317,220.00 $411.00 $209,610.00 $575.00 $293,250.00 A-8 Replace 8" Sanitary Sewer Pipe 60 LF $100.00 $6,000.00 $750.00 $45,000.00 $563.00 $33,780.00 $177.00 $10,620.00 $300.00 $18,000.00 A-9 Install 18" Steel Casing 60 LF $100.00 $6,000.00 $253.10 $15,186.00 $287.00 $17,220.00 $336.00 $20,160.00 $200.00 $12,000.00 A-10 4" Thick Decomposed Granite with Filter Fabric 725 SF $20.00 $14,500.00 $7.35 $5,328.75 $14.00 $10,150.00 $10.00 $7,250.00 $15.00 $10,875.00 A-11 3' Metal Pipe Pedestrian Handrail 245 LF $200.00 $49,000.00 $102.05 $25,002.25 $120.00 $29,400.00 $102.00 $24,990.00 $200.00 $49,000.00 A-12 Adjust SSMH Rim to Finished Grade 1 EA $500.00 $500.00 $1,000.00 $1,000.00 $585.00 $585.00 $967.00 $967.00 $2,500.00 $2,500.00 A-13 Drilled Shaft (24 in.) 152 LF $150.00 $22,800.00 $225.00 $34,200.00 $92.00 $13,984.00 $179.00 $27,208.00 $130.00 $19,760.00 A-14 CL C Conc (Abutments) 6 CY $880.00 $5,280.00 $4,500.00 $27,000.00 $2,700.00 $16,200.00 $2,223.00 $13,338.00 $2,000.00 $12,000.00 A-15 Str Steel (Misc Non -Bridge) 1 LS $100.00 $100.00 $5,903.25 $5,903.25 $2,740.00 $2,740.00 $371.00 $371.00 $10,000.00 $10,000.00 A-16 Steel Truss Bridge (Fabrication and Placement) 1 LS $75,000.00 $75,000.00 $85,000.00 $85,000.00 $59,430.00 $59,430.00 $68,967.00 $68,967.00 $60,000.00 $60,000.00 A-17 Soil Retention Blanket - Curlex III Fibrenet 800 SY $20.00 $16,000.00 $12.50 $10,000.00 $16.00 $12,800.00 $6.00 $4,800.00 $22.00 $17,600.00 A-18 18" RCP 59 LF $140.00 $8,260.00 $254.25 $15,000.75 $141.00 $8,319.00 $132.00 $7,788.00 $250.00 $14,750.00 A-19 Storm Drain Pipe Connection @ Gabion Wall 1 EA $1,500.00 $1,500.00 $9,500.00 $9,500.00 $3,800.00 $3,800.00 $3,207.00 $3,207.00 $10,000.00 $10,000.00 A-20 Drop Inlet 1 EA $10,000.00 $10,000.00 $12,000.00 $12,000.00 $23,400.00 $23,400.00 $3,177.00 $3,177.00 $15,000.00 $15,000.00 A-21 Erosion Control 1 LS $10,000.00 $10,000.00 $32,000.00 $32,000.00 $18,800.00 $18,800.00 $24,500.00 $24,500.00 $5,000.00 $5,000.00 A-22 Project Sign 1 EA $3,500.00 $3,500.00 $5,500.00 $5,500.00 $975.00 $975.00 $707.00 $707.00 $1,500.00 $1,500.00 SUBTOTAL $489,000.00 $969,255.75 $918,981.00 $541,414.00 $786,630.00 Page 1 of 1