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ALTERNATE #11 (DEDUCT) —MUST SELECT ALTERNATE #12 IF SELECTED <br />Item No. <br />Description <br />Total Amount <br />Provide price to provide and install rigid insulation assembly in lieu <br />of spray -foam insulation in pitched roof attic spaces. Assembly from <br />metal roof panel inward shall consist of the following: <br />a. Synthetic roofing underlayment & roofing felt; no change <br />between base bid and alternate. <br />b. Roof sheathing; no change between base bid and alternate. <br />11 <br />c. 2x pressure treated sleepers 24" O.C. for ventilation. <br />d. 2" Extruded Polystyrene Rigid Insulation (XPS) — R-15 <br />Minimum <br />e. 3" Polyisocyanu rate Rigid Insulation — R-16.8 Minimum <br />f. 518" plywood sheathing. <br />g. Metal roof trusses; no change between base bid and <br />alternate. <br />**If alternate is selected Alternate 12 must also be selected. <br />ALTERNATE #11 TOTAL <br />ALTERNATE #12 (ADD) — SELECT ONLY IF ALTERNATE #11 IS SELECTED <br />Item No. <br />Description <br />Total Amount <br />Provide price to provide and install vented aluminum soffit in lieu of <br />12 <br />non -vented and vented hip/ridge vents in lieu of non -vented. <br />"This alternate must be selected if Alternate 11 is selected, <br />otherwise Base Bid remains as detailed andspecified. <br />ALTERNATE #12 TOTAL � .O� <br />ALTERNATE #13 (DEDUCT) <br />Item No. <br />Description <br />Total Amount <br />Provide price to provide and install batt insulation in lieu of spray - <br />foam insulation under second -floor at rear porch ceiling area and at <br />the second -floor bump -out dormer on the West elevation of the <br />13 <br />building. <br />a. 12" batt insulation between joists. Tight friction fit. <br />b. 518" exterior grade sheathing. <br />c. Air infiltration barrier; vapor permeable. <br />ALTERNATE #13 TOTAL ( S o0-1 <br />ALTERNATE #14 ADD <br />Item No. <br />Description <br />Total Amount <br />Provide price to provide and install insulated aluminum doors with <br />aluminum frames in lieu of insulated steel doors and hollow metal <br />14 <br />frames for the following: <br />a. Door 10OA; including transom framing. <br />b. Door 108; including transom framing. <br />c. Door ST-1; including transom framing.__ <br />Bidder (Firm) <br />Gibson -Lewis, LLC <br />ALTERNATE #14 TOTAL �, 0Z— <br />Version 10/17/2017 Contractor's Bid for Public Works - 9 <br />