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Bid Package 08 North Well Field - Garney Construction

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Colorado River Municipal Water District<br />

Raw Water Supply <strong>Well</strong> Sites<br />

Ward County <strong>North</strong> <strong>Well</strong> <strong>Field</strong><br />

1. Product Description: ASTM D1785, One piece molded type fitting covers and<br />

sheet material, off-white color.<br />

2. Thickness: 30 mil.<br />

3. Connections: Brush on welding adhesive.<br />

B. <strong>Field</strong> Applied Glass Fiber Fabric Jacket System:<br />

1. Insulating Cement/Mastic: ASTM C195; hydraulic setting on mineral wool.<br />

2. Glass Fiber Fabric:<br />

a. Cloth: Untreated; 9 oz/sq yd weight.<br />

b. Blanket: 1.0 lb/cu ft density.<br />

c. Weave: 10 x 10.<br />

3. Indoor Vapor Retarder Finish:<br />

a. Cloth: Untreated; 9 oz/sq yd weight.<br />

b. Vinyl emulsion type acrylic, compatible with insulation, white color.<br />

2.5 PIPE INSULATION ACCESSORIES<br />

A. Adhesives: Compatible with insulation.<br />

B. Piping 1½-inch-diameter and smaller: Galvanized steel insulation protection shield. MSS<br />

SP-69, Type 40. Length: Based on pipe size and insulation thickness.<br />

C. Piping 2-inch-diameter and larger: Wood insulation saddle, hard maple. Inserts length:<br />

not less than 6 inches long, matching thickness and contour of adjoining insulation.<br />

D. Closed Cell Elastomeric Insulation Pipe Hanger: Polyurethane insert with aluminum<br />

single piece construction and self adhesive closure. Thickness to match pipe insulation.<br />

E. Tie Wire: 0.048-inch stainless steel with twisted ends on maximum 12-inch centers.<br />

F. Mineral Fiber Hydraulic-Setting Thermal Insulating and Finishing Cement:<br />

ASTM C449/C449M.<br />

PART 3 EXECUTION<br />

3.1 EXAMINATION<br />

A. Verify piping has been tested before applying insulation materials per Section 22 10 00 -<br />

Plumbing and Piping.<br />

B. Verify surfaces are clean and dry, with foreign material removed.<br />

3.2 INSTALLATION - HEAT TRACE<br />

A. Heat Trace: install on all exterior pipes beneath pipe insulation according to manufacturer<br />

instructions.<br />

B. Heat Trace Exposed to View in Outdoor Finished Spaces: Locate heat trace and cover<br />

seams in least visible locations.<br />

May 18, 2012<br />

Plumbing Insulation<br />

Revision 0 22 07 00 - 4

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