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Specifications - City of Montpelier, Vermont

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Title:<strong>Montpelier</strong> District Heating<strong>City</strong> <strong>of</strong> <strong>Montpelier</strong>, VT15250 – Mechanical InsulationIssue Date:September 28, 2012Page #:5 <strong>of</strong> 13A. Rigid Fiberglass Equipment Insulation: ASTM C 612, Class 1, 6.0 PCF density,‘R’ = 6.6 @ 1.5" thickness, 75°F mean temperature.1. Manufacturer: Subject to compliance with requirements, provide products<strong>of</strong> one <strong>of</strong> the following:a. CertainTeed Corp.b. Johns Manville Products Corp.c. Knauf Insulation GmbH.d. OwensCorning Fiberglas Corp.B. Jacketing Material for Equipment Insulation: Provide presized glass clothjacketing material, not less than 7.8 ounces per square yard.C. Equipment Insulation Finish: Provide a trowel or glove grade water based generalpurpose mastic suitable for interior or exterior applications. Color shall be whiteor light gray.D. Equipment Insulation Accessories: Provide staples, bands, wire, wire netting,tape, corner angles, anchors and stud pins as recommended by insulationmanufacturer for applications indicated.PART 3– EXECUTION3.1 INSPECTIONA. Examine areas and conditions under which mechanical insulation is to beinstalled. Do not proceed with work until unsatisfactory conditions have beencorrected in manner acceptable to Installer.3.2 HVAC AND PLUMBING PIPING INSULATIONA. Insulate all HVAC and plumbing piping systems installed within the conditionedenvelope <strong>of</strong> the building with fiberglass insulation (unless an alternative materialis indicated) with thicknesses according to the following schedule:Minimum Pipe Insulation ThicknessFluid DesignNominal Pipe Diameter (inches)Operating Runouts1 → 1½→8 and

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