Specifications - City of Montpelier, Vermont

Title:Montpelier District HeatingCity of Montpelier, VT15250 – Mechanical InsulationIssue Date:September 28, 2012Page #:2 of 131.3 SUBMITTALSA. Product Data: Submit manufacturer's technical product data and installationinstructions for each type of mechanical insulation. Submit schedule showingmanufacturer's product number, kvalue, thickness, and furnished accessories foreach mechanical system requiring insulation.1.4 QUALITY ASSURANCEA. Manufacturer's Qualifications: Firms regularly engaged in manufacture ofmechanical insulation products, of types and sizes required, whose products havebeen in satisfactory use in similar services for not less than 10 years.B. Installer's Qualifications: Firms with at least 5 years successful installationexperience on projects with mechanical insulation systems similar to that requiredfor this project.C. Flame/Smoke Ratings: Provide composite mechanical insulation (insulation,jackets, coverings, sealers, mastics and adhesives) with flamespread index of 25or less, and smoke developed index of 50 or less, as tested by ASTM E 84(NFPA 255) method.1.5 DELIVERY, STORAGE, AND HANDLINGA. Deliver insulation, coverings, cements, adhesives, and coatings to site incontainers with manufacturer's stamp or label, affixed showing fire hazardindexes of products.B. Protect insulation against dirt, water, and chemical and mechanical damage. Donot install damaged or wet insulation; remove from project site.PART 2– PRODUCTS2.1 PIPING INSULATION MATERIALSA. Fiberglass Piping Insulation: ASTM C 547, Class 1, ‘k’ = 0.29 @ 150°F meantemperature. Provide with All Service Jacket (ASJ) with selfsealing lap. ASJshall be white kraft bonded to aluminum foil, fiberglass reinforced and with PVCcovers at fittings.B. Pipe fitting covers shall be onepiece premolded PVC fitting covers, fastened asper manufacturer's recommendations. Fiberglass inserts shall be provided withMECHANICAL INSULATION 15250 2