Attahment_2_SOW_Radiant_Heating_System_B30_and_B57_Rev_1a.pdf

DEFENSE DISTRIBUTION CENTER

FACILITIES ENGINEERING

DEFENSE DEPOT, TRACY, CA.

DOC#: 4047-3132-18

Date: 28 Aug 2018 Subject: Radiant Heating System – B30 and B57 Location: Tracy Defense Depot Prepared by: David Tank

STATEMENT OF WORK (Rev 1)

Contractor is to furnish all labor, material, transportation, supplies and supervision necessary to install radiant heaters with all the required components over the identified work areas. The contractor shall install 57 heaters located in Warehouses 30 and 57 as listed below and depicted on drawing.

Scope of work includes, but is not limited to the following:

1.0 Provide and install natural gas line service

1.1 The main supply piping from the existing line shall be installed and sized as per applicable code.

1.1.1 Pipe shall be black carbon steel in accordance with ASTM A53/A53M with threaded ends

1.1.2 Threaded fittings shall be black malleable iron in accordance with

ASME B16.3

1.1.3 Unions shall be black malleable iron in accordance with MSS SP-

83ASME B16.39

1.1.4 Valves shall conform to ASME B16.33 of materials and manufacture compatible with natural gas

1.1.5 Any gas regulators/vents required to meet the heater design specifications

1.1.6 Provide joint sealing compound or tape at all joints

1.1.7 Support and brace piping and attached valves to resist seismic loads in conformance with ASCE 25-06

1.1.8 Seal any and all wall penetrations with fire caulking

1.2 The piping on the interior of the building shall be labeled as defined by current ANSI standards

1.2.1 Shall include the words “NATURAL GAS” or “GAS” and directional flow arrows in the appropriate color viewable from ground level

2.0 Provide and install 49 natural gas radiant heaters in B30.

2.1 Install 18 NG Radiant Heaters (Dayton 5VD63 or equivalent)

2.1.1 Shall be located as shown in Radiant Heater Project drawing RH3057

2.1.2 Shall use Natural Gas as a fuel

2.1.3 Shall have a minimum rating of 60,000 BTUH)

2.1.4 Shall be installed the minimum distance from the floor surface to the bottom of the heating element as directed by the manufacturer’s instructions

2.1.5 Shall include a ¾” NPT gas service line to the heater itself

2.1.6 Shall include a Sediment Trap, Inlet Valve, Stainless Steel Flex

Connector, and any other components required by the Manufacturer’s installation instructions.

2.2 Install 31 20-ft tube NG Radiant Heaters (Dayton 7D839 or equivalent)

2.2.1 Shall be located as shown in Radiant Heater Project drawing RH3057

2.2.2 Shall use Natural Gas as a fuel

2.2.3 Shall have a minimum rating of 75,000 BTUH)

2.2.4 Shall be installed the minimum distance from the floor surface to the bottom of the heating element as directed by the manufacturer’s instructions

2.2.5 Shall be tilted toward the work area as allowed by manufacturer

2.2.6 Shall include a ¾” NPT gas service line to the heater itself

2.2.7 Shall include a Sediment Trap, Inlet Valve, Stainless Steel Flex

Connector, and any other components required by the Manufacturer’s installation instructions.

2.3 Install 31 twist-timer controls

2.3.1 Shall be located as shown in Radiant Heater Project drawing RH3057

2.3.2 Shall be Intermatic FF34H or equivalent

2.3.3 Shall be mechanical type

2.3.4 Shall be four-hour maximum

2.3.5 Any conduit, conductors or other components required to complete the controls installation shall be included.

3.0 Provide and install 19 natural gas radiant heaters in B57.

3.1 Install 17 NG Radiant Heaters (Dayton 5VD63 or equivalent)

3.1.1 Shall be located as shown in Radiant Heater Project drawing RH3057

3.1.2 Shall use Natural Gas as a fuel

3.1.3 Shall have a minimum rating of 60,000 BTUH)

3.1.4 Shall be installed the minimum distance from the floor surface to the bottom of the heating element as directed by the manufacturer’s instructions

3.1.5 Shall include a ¾” NPT gas service line to the heater itself

3.1.6 Shall include a Regulator, Sediment Trap, Inlet Valve, Stainless Steel

Flex Connector, and any other components required by the Manufacturer’s installation instructions.

3.2 Remove two existing 40-ft tube NG radiant heaters and install two 40-ft tube NG Radiant Heaters (Dayton 7D847 or equivalent) at the same location

3.2.1 Shall be located as shown in Radiant Heater Project drawing RH3057

3.2.2 Shall use Natural Gas as a fuel

3.2.3 Shall have a minimum rating of 150,000 BTUH)

3.2.4 Shall be installed the minimum distance from the floor surface to the bottom of the heating element as directed by the manufacturer’s instructions

3.2.5 Shall include a ¾” NPT gas service line to the heater itself

3.2.6 Shall include a Sediment Trap, Inlet Valve, Stainless Steel Flex

Connector, and any other components required by the Manufacturer’s installation instructions.

3.3 Install 34 twist-timer controls

3.3.1 Shall be located as shown in Radiant Heater Project drawing RH3057

3.3.2 Shall be Intermatic FF34H or equivalent

3.3.3 Shall be mechanical type

3.3.4 Shall be four-hour maximum

3.3.5 Any conduit, conductors or other components required to complete the controls installation shall be included.

4.0 Provide and install an electrical service to the radiant heaters

4.1 Provide and install conduit

4.1.1 Shall be EMT and sized at a minimum of ¾”

4.1.2 Shall use compression type couplers

4.1.3 Shall use available panels as shown on drawings RH3057

4.1.3.1 Provide and install circuit breakers and any other

components as required

5.0 Provide any other material and/or perform any other labor necessary to make the radiant heater system fully operational and able to adequately heat the area.

6.0 The electrical installation shall be performed in a neat and professional manner. All conduit shall be installed level/plumb; run parallel/perpendicular to the building and/or column lines, and be sized ¾” or larger. All conduit couplings shall be of the compression type. All conduit, fixtures and junction boxes shall be properly secured to the building structure.

7.0 All installation over the conveyor lines in B30-1 and B30-2 shall be scheduled for weekends so as to not create a safety hazard for the employees. Boom lifts and/or scaffolding shall be used to safely access these areas for heater and associated infrastructure installation.

8.0 The job site shall be left in a clean and orderly condition during construction and all construction debris and excess material shall be removed upon completion of the job.

The use of Government trash cans, dumpsters, or other waste receptacles is prohibited.

9.0 All work shall comply with Unified Facilities Criteria

(http://www.wbdg.org/ccb/browse_cat.php?o=29&c=4) and OSHA 29 CFR 1910 (https://www.osha.gov/pls/oshaweb/owastand.display_standard_group?p_toc_level= 1&p_part_number=1910).

10.0 All work shall conform to the current NFPA/NEC code, including NFPA 70E.

11.0 Construction shall be in compliance with all applicable local, state and federal standards.

12.0 Contractor is subject to all DDJC health and safety regulations and DLA security requirements.

13.0 Submittals: The following shall be submitted for approval prior to construction

13.1 Safety Plan

The contractor shall submit a safety plan no later than one week prior to the pre-construction meeting. The safety plan will address/explain, at a minimum, the following:

a. The contractor shall provide safety meetings once a month minimum and shall maintain and provide documentation to the Safety Office.

b. The contractor shall maintain records for daily equipment checks.

c. The contractor shall conduct safety tailgate meetings prior to the beginning of daily work which pertain to the operations for that day.

d. A thorough discussion on all required Personal Protective Equipment

(PPE) and the proper use/application

e. All local emergency contact numbers and the phone number/location of http://www.wbdg.org/ccb/browse_cat.php?o=29&c=4 the nearest hospital.

f. How to protect government employees from job hazards (i.e. noise, welding, MHE hazards, overhead hazards, etc.).

g. Where/how to get fire permits for all welding/grinding operations.

h. License and certification requirements for every employee involved with any confined space or abatement (i.e., Asbestos, Lead Based Paint removal, etc.). (Note: if using own company’s confined space documentation, the contractor shall submit the document to the facility’s Safety Office for review prior to work commencing.)

13.2 Construction Schedule

13.3 Shop Drawings (mechanical and electrical)

14.0 Submittals: The following shall be submitted for approval after installation

14.1 Operation and Maintenance manuals – 4 sets

14.2 As-Built drawings: 1 set D size and half size, PDF and AutoCAD files

END OF STATEMENT OF WORK