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NON-COLLUSION AFFIDAVIT (SIGNED AND NOTARIZED)ALTERNATE 1SECTION 2A: Remove existing metal coping. Remove existing BUR roof down to deck. Where deck is damaged, repair as required (assume 5% deck repair in bid). Add 2 layers of new 2” polyisoinsulation (4” total). Provide fully 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 2SECTION 3A: Remove existing low sloped metal roof, inspect existing structure and provide new metal deck as required. Add a 0.060" white TPO roof membrane system for a complete weatherproof and weathertight system. Add 2 layers of new 2” polyiso-insulation (4” total). Roof membrane to be 20 year warranted system.ALTERNATE 3SECTION 3B: Repair existing metal roof as necessary. This area has existing 6” fiberglass insulation with vinyl cover. This roof is a 2/12 slope and it is supported by a PEMB (pre-engineered metal building) system.ALTERNATE 4SECTION 3C: Replace existing rusted metal roof with a new metal roof system as necessary. This area has existing fiberglass insulation with vinyl cover underneath the existing metal roof. This roof is over pre-engineered metal building (PEMB) system. ALTERNATE 5SECTION 3D: Repair existing metal roof as necessary. Replace, recoat with a spray-on membrane or spot repair.ALTERNATE 6SECTION 4A: Demolish existing metal roof.DEDUCTDEDUCTDEDUCTDEDUCTRepair/Replace Rigid Polyiso Insulation Board, 6” thick (per SF)$7.25 $3.75 $18.35Repair/Replace Rigid Polyiso Insulation Board, 4” thick (per SF)$4.85 $2.75 $12.00ADD$30,600 $24,812$25,812xx$88,812 $18,812ALTERNATES:$71,700 $44,700ADD$16.85$10.00UNIT PRICING:ADDNexus Center Roof ReplacementCONTRACTOR:BASE BID AMOUNT:Midland$232,600.00x$119,462 $37,095xBid Tab for Bid Opening on 2022.12.13 at 9:00 AMx$103,100 $47,300Slatile$214,812.00xDudeck$253,553.00xACKNOWLEDGES RECEIPT OF ADDENDABID BONDxxADD$4,000 $15,860 $9,812$19,800 $27,500 $23,812$41,200