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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 />

PART 2 PRODUCTS<br />

2.1 MANUFACTURERS<br />

A. Heat Trace Manufacturers:<br />

1. Thermon FLX.<br />

2. Chromalox SRF.<br />

3. Substitutions: Permitted with Engineer’s Approval.<br />

B. Manufacturers for Insulation and Jacketing Products:<br />

1. CertainTeed.<br />

2. Knauf.<br />

3. Johns Manville.<br />

4. Substitutions: Permitted with Engineer’s Approval.<br />

2.2 HEAT TRACE<br />

A. Heat trace shall conform to the following:<br />

1. Traced surface type: metallic piping.<br />

2. Outer jacket chemical resistance:<br />

a. Aqueous inorganic chemical: (modified polyolefin outer jacket).<br />

b. Organic chemicals or corrosives: (flouropolymer outer jacket).<br />

3. Voltage: 120V AC<br />

4. Minimum expected ambient temperature: minus 10°F.<br />

5. Maximum operating temperature: 150°F.<br />

6. Ground-fault protection required.<br />

7. Bus wire size: 16 AWG.<br />

B. Self-regulating heat trace shall be low temperature and have a tinned copper braid.<br />

Thermostat shall be line sensing electronic thermostat. Installations shall include a splice<br />

and tee for each cut in the wire and be covered to protect against corrosion.<br />

C. Furnish appurtenances recommended by manufacturer for a fully functioning heat trace<br />

system on exposed piping, including attachment tape, cable end terminations, and<br />

“Electric Heat Tracing” labels.<br />

2.3 PIPE INSULATION<br />

A. Product Description: ASTM C547, molded glass fiber pipe insulation. Conform to<br />

ASTM C795 for application on Austenitic stainless steel.<br />

1. Thermal Conductivity: 0.23 at 75°F.<br />

2. Operating Temperature Range: 0 to 850°F.<br />

3. Vapor Barrier Jacket: ASTM C1136, Type I, factory applied reinforced foil kraft<br />

with self-sealing adhesive joints.<br />

4. Jacket Temperature Limit: minus 20 to 150°F.<br />

5. Minimum thickness: 1-1/2 inch.<br />

2.4 PIPE INSULATION JACKETS<br />

A. PVC Plastic Pipe Jacket:<br />

May 18, 2012<br />

Plumbing Insulation<br />

Revision 0 22 07 00 - 3

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