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INDIAN RIVER COUNTY JULY 25, 2014 <br />INTERGENERATIONAL RECREATION CENTER 100% CONSTRUCTION DOCUMENTS <br />B. Insulation Installation on Pipe Flanges: <br />1. Install pipe insulation to outer diameter of pipe flange. <br />2. Make width of insulation section same as overall width of flange and bolts, plus twice the <br />thickness of pipe insulation. <br />3. Fill voids between inner circumference of flange insulation and outer circumference of <br />adjacent straight pipe segments with cut sections of sheet insulation of same thickness <br />as pipe insulation. <br />4. Secure insulation to flanges and seal seams with manufacturer's recommended adhesive <br />to eliminate openings in insulation that allow passage of air to surface being insulated. <br />C. Insulation Installation on Pipe Fittings and Elbows: <br />1. Install mitered sections of pipe insulation. <br />2. Secure insulation materials and seal seams with manufacturer's recommended adhesive <br />to eliminate openings in insulation that allow passage of air to surface being insulated. <br />D. Insulation Installation on Valves and Pipe Specialties: <br />1. Install preformed valve covers manufactured of same material as pipe insulation when <br />available. <br />2. When preformed valve covers are not available, install cut sections of pipe and sheet <br />insulation to valve body. Arrange insulation to permit access to packing and to allow <br />valve operation without disturbing insulation. <br />3. Install insulation to flanges as specified for flange insulation application. <br />4. Secure insulation to valves and specialties and seal seams with manufacturer's <br />recommended adhesive to eliminate openings in insulation that allow passage of air to <br />surface being insulated. <br />3.7 MINERAL -FIBER INSULATION INSTALLATION <br />A. Insulation Installation on Straight Pipes and Tubes: <br />1. Secure each layer of preformed pipe insulation to pipe with wire or bands and tighten <br />bands without deforming insulation materials. <br />2. Where vapor barriers are indicated, seal longitudinal seams, end joints, and protrusions <br />with vapor -barrier mastic and joint sealant. <br />3. For insulation with factory -applied jackets on above ambient surfaces, secure laps with <br />outward clinched staples at 6 inches o.c. <br />4. For insulation with factory -applied jackets on below ambient surfaces, do not staple <br />longitudinal tabs but secure tabs with additional adhesive as recommended by insulation <br />material manufacturer and seal with vapor -barrier mastic and flashing sealant. <br />B. Insulation Installation on Pipe Flanges: <br />1. Install preformed pipe insulation to outer diameter of pipe flange. <br />2. Make width of insulation section same as overall width of flange and bolts, plus twice the <br />thickness of pipe insulation. <br />3. Fill voids between inner circumference of flange insulation and outer circumference of <br />adjacent straight pipe segments with mineral -fiber blanket insulation. <br />4. Install jacket material with manufacturer's recommended adhesive, overlap seams at <br />least 1 inch, and seal joints with flashing sealant. <br />C. Insulation Installation on Pipe Fittings and Elbows: <br />PLUMBING INSULATION 220700 - 9 <br />