===== PDF PAGE 44 ===== [Extraction: OCR (rendered-page OCR)] CITY OF WEST CHICAGO INFRASTRUCTURE COMMITTEE AGENDA ITEM SUMMARY ITEM TITLE: AGENDA ITEM NUMBER: __/- @. Resolution No. 23-R-0079 -— Change Order No. 1 - ; ‘ F : 2023 Swallow Construction Corporation for the 2023 Sophia | COMMITTEE AGENDA DATE: September 7, Street Area Water Main and Streets Rehabilitation Project TOUNCIL AGENDEZDATE: September 18, 2028 in an Amount not to Exceed $50,000.00 for a Revised Contract Value of $1,605,803.65 STAFF REVIEW: Mehul Patel, P.E., CFM, Director of Public Works SIGNATURE_|V (J & ; — APPROVED BY CITY ADMINISTRATOR: Michael L. Guttman SIGNATURE ITEM SUMMARY: The 2023 Sophia Street Area Water Main and Streets Rehabilitation Project includes water main improvements and streets resurfacing of approximately 0.72 miles of various streets in the City as specified on the enclosed location map. The Project's scope of work generally consists of approximately 2,555 feet of 8-inch water main replacement, including replacement of 45 water services, pavement milling, hot-mix asphalt (HMA) resurfacing, full-depth HMA pavement patching, intermittent concrete sidewalk, including, ADA curb ramps, intermittent combination concrete curb and gutter removal and replacement, storm and sanitary sewer repairs, including storm and sanitary structure replacement and adjustments, parkway restoration, thermoplastic pavement markings, and all incidental and miscellaneous work necessary to complete the project as denoted on the Project plans and specifications. The Project is partially funded by the DuPage County Community Development Block Grant (CDBG) Program. On March 3, 2022, the City received an award confirmation for a proposed grant amount not to exceed $600,000.00. Per the City’s agreement with DuPage County, 100% of grant funds shall be expended by October 31, 2023. On March 20, 2023, the City Council approved Resolution No. 23-R-0023 authorizing the Mayor to execute a Contract with the lowest responsible bidder, Swallow Construction Corporation of West Chicago, Illinois, for the Project for a contract amount not to exceed $1,555,803.65. The construction began in April 2023 and is anticipated to be substantially completed by the end of September 2023. To date, the Project has run into various unforeseen circumstances, which required necessary field changes to satisfactorily complete the project. The following table summarizes the additional work items required, reasoning, and its approximate costs: No. Additional Items Reasoning for Additional Work et edad 14 total lead private water services were 1 Private lead water service line unforeseen during the design phase and replaced $32,500.00 replacement during the construction phase to meet the IEPA oo requirement Sanitary sewer main extension The existing clay sanitary sewer lateral was in 2 (110 feet), connecting two poor condition (e.g. cracked and plugged with tree $29,000.00 PVC sewer laterals to the new | roots) and improperly connected to the existing — main, clean-out installation sewer main as two properties were served by one ===== PDF PAGE 45 ===== [Extraction: OCR (rendered-page OCR)] CITY OF WEST CHICAGO sewer lateral Additional clay sewer laterals were discovered to be in poor condition during construction and $28,400.00 required replacement or lining Additional roadway (e.g., patching) and parkway Roadway and Parkway restoration (e.g., topsoil, seed, blanket, fertilizer) Restoration was required due to increased sanitary sewer lateral and lead water services were replaced Total: $110,700.00 Sanitary Sewer Service Replacement & Lining $20,800.00 Expenditure of an additional $110,700.00 was required during the construction phase for the unforeseen work, which was mostly related to underground utility improvements. However, various portions of the project are anticipated to come under budget, providing approximately $60,700.00 relief towards the overage. The Project is not yet complete and the final quantities will be agreed with the contractor after the project is substantially complete. Staff is anticipating and requesting a 3.21% increase or an amount not to exceed $50,000.00 to the awarded contract value of $1,555,803.65, for a revised contract value of $1,605,803.65. The request for the increased amount of $50,000.00 will be funded through a fund balance of $35,000.00 in the Water Fund — Other Capital Outlay account no. 06-34-47-4806 and $15,000.00 from the Sewer Fund — Capital Outlay account no. 05-34-43-4806 ACTIONS PROPOSED: Approve Resolution No. 23-R-0079 authorizing a Change Order No. 1 with Swallow Construction Corporation in an amount not to exceed $50,000.00 for a revised contract value of $1,605,803.65, for the 2023 Sophia Street Area Water Main and Streets Rehabilitation Project. COMMITTEE RECOMMENDATION: The Infrastructure Committee voted 7-0 for approval.