Opening of Bids - Nexus Center Roof Replacement Proj No. 121-064A - Midland Engineering Co., Inc.

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BID/PROPOSAL CITY OF SOUTH BEND Project Name: Nexus Center Roof Replacement Project Number: For Bids Due: 121-064A December 13, 2022 Contractor Name: Midland Engineering Company, Inc. BASE BID SpUTH DF ld w `1 1'ETCE im 1865 Item No. Description Quantity Unit Unit Price Total Amount SECTION 1A: Remove existing metal coping. Remove existing EPDM roof and retain the existing 6" of polyiso rigid board roof insulation. Provide fully 4 adhered 0.060" white TPO roof 1 LS 222,600.00 1 membrane system. Re -install existing 1 LS 103,100.00 metal coping. (Replace as necessary in like and kind). Replace wet and damaged rigid board roof insulation (10% included in bid). Roof membrane to be 20 year warranted system. 2 Construction Contingency $10,000.00 BASE BID TOTAL 232,600.00 ALTERNATE #1 Item No. Description Quantity Unit Unit Price Total Amount SECTION 2A: Remove existing metal coping. Remove existing BUR roof down to deck. Where deck is damaged, repair as required (assume 5% deck repair in 4 bid). Add 2 layers of new 2" polyiso- 1 LS 47,300.00 3 insulation (4" total). Provide fully 1 LS 103,100.00 adhered 0.060" white TPO roof membrane system. Install new metal coping and add treated 2 x blocking to ensure a minimum of 6" parapet wall on southern end of roof. Roof membrane to be 20 year warranted system. ALTERNATE #1 TOTAL 103,100.00 ALTERNATE #2 Item No. Description Quantity Unit Unit Price Total Amount SECTION 3A: Remove existing low sloped metal roof, inspect existing structure and provide new metal deck as required. Add a 0.060" white TPO roof 4 membrane system for a complete 1 LS 47,300.00 weatherproof and weathertight system. Add 2 layers of new 2" polyiso-insulation (4" total). Roof membrane to be 20 year warranted system. ALTERNATE #2 TOTAL 47,300.00 Version 09/29/2021 Contractor's Bid for Public Works - 7