C05_SOW_-_Attach_001.pdf

Parker Dam Powerplant

HVAC Chiller Piping & Tank Supply

Parker Dam, California 140R3023Q0075

Air Cooled, Scroll Water Chillers

Statement of Work

HVAC Chiller Piping & Tank Supply

Parker Dam, California

U.S. Department of Interior

Bureau of Reclamation, Lower Colorado Region

Parker Dam Field Office

Parker Dam, California

Parker Dam, California 140R3023Q0075

Air Cooled, Scroll Water Chillers

HVAC Chiller Piping & Tank Supply

PART 1 GENERAL

1.01 INTRODUCTION

The Bureau of Reclamation Parker Dam is installing an Air-cooled microprocessor-controlled chiller for outdoor installation with hydronic package to serve existing Mainstream MLR-

176X122X2.0-HD SN6655 60,000 cfm air handler. This is a supply contract to supply the

Expansion Tank, Storage Tank, Carbon steel Sch 40 Pipe, Elbows, Tees, Flanges, Valves, and miscellaneous fittings need to pipe the chiller and air handler together.

1.02 BACKGROUND

Parker Dam is a concrete arch structure that spans the Colorado River between Arizona and

California, 155 miles downstream of Hoover Dam. Built between 1934 and 1938 by

Reclamation, Parker Dam is one part of a system of storage and diversion structures built by

Reclamation to control and regulate the once unruly Colorado River. Parker Dam is located 25 miles south of Lake Havasu City, with temperatures ranging from 34° in the winter to 125° in the summer.

1.03 SCOPE

A. Contractor to supply Expansion Tank, Storage Tank, Carbon steel Sch 40 Pipe, Elbows, Tees, Flanges, Valves, and miscellaneous fitting in the table below. Material must meet

American Society of Mechanical Engineers (ASME) ASME SEC 8 -Boiler and Pressure

Vessel Code and provide Mill Test Certifications for material.

1. Expansion Tank: Replaceable bladder type.

a. 6-gallon tank with minimum 4.5-gallon acceptance volume 175 PSI with Sight

Glass.

2. Storage Tank: Insulated carbon-steel tank with internal baffle, drain and vent connections;

with capacity indicated.

a. Maximum footprint of 4’-6” X 5’-0” X 11’-0” (L X W X H) 400-gallon

3. Piping:

a. 4” (Sch 40) Carbon-steel pipe in 20’ lengths.

Parker Dam, California 140R3023Q0075

Air Cooled, Scroll Water Chillers

Item Description Quantity Unit Notes

1 Expansion Tank 6-Gallon with 4.5-gallon acceptance 175

PSI w Sight Glass minimum

1 EA

2 ASME Chilled Water Buffer Tank 400 Gallons 4" Flange 1 EA

3 3” Carbon-steel Threaded 90 (Sch 40) 1 EA

4 3” Carbon-steel Treaded Tee (Sch 40) 1 EA

5 3”x12” Carbon-steel Threaded Nipple (Sch 40) 2 EA

6 3” x 4” Carbon-steel Reducer Butt weld (Sch 40) 4 EA

7 4” Carbon-steel Flanged Globe Valve (Sch40) 4 EA

8 4” Carbon-steel 90 Butt Weld (Sch 40) 30 EA

9 4” Carbon-steel Slip Weld Flange (Sch 40) 30 EA

10 4” Carbon-steel Threaded Flange (Sch 40) 4 EA

11 4” Carbon-steel Tee Butt Weld (Sch 40) 4 EA

12 4” Carbon-steel Pipe (Sch 40) 20’ lengths 260 FT

13 4” SS Flexible Metal Hose Flanged 4 EA

14 1” Carbon-steel Weld Thread O-Let 10 EA

15 3” Carbon-steel Weld Chill Ring 10 EA

16 4” Carbon-steel Weld Chill Ring 80 EA

17 Hinged with Self-Sealing Lap Melamine Foam Pipe

Insulation

260 FT

Parker Dam, California 140R3023Q0075

Air Cooled, Scroll Water Chillers

1.04 DELIVERY

The delivery of the material shall be made to Parker Dam at the following address:

Parker Dam

Highway 95

Parker Dam CA 92267

1.01 ATTACHMENTS

Salient Characteristics

END OF SECTION