Department of veterans affairs vha master specifications

APPLICABLE PUBLICATIONS

1. 
   Publications listed below (including amendments, addenda, revisions, supplements, and errata) form a part of this specification to the extent referenced. Publications are referenced in the text by designation only.
   
2. 
   American National Standards Institute (ANSI):
   

C37.57-10...............Metal-Enclosed Interrupter Switchgear

Assemblies - Conformance Testing
C37.58-10...............Indoor AC Medium-Voltage Switches for Use in
Metal-Enclosed Switchgear - Conformance Test Procedures

3. 
   International Code Council (ICC):
   

IBC-12..................International Building Code

4. 
   Institute of Electrical and Electronics Engineers (IEEE): C37.20.3-01.............Metal-Enclosed Interrupter Switchgear
   

C37.47-11...............High Voltage (>1000V) Current-Limiting Type
Distribution Class Fuses and Fuse Disconnecting Switches

C37.48-05...............Guide for Application, Operation and

Maintenance of High Voltage Fuses, Distribution Enclosed Single Pole Air Switches, Fuse Disconnecting Switches, and Accessories

5. 
   National Electrical Manufacturers Association (NEMA):
   

C37.22-97...............Preferred Ratings and Related Required

Capabilities for Indoor AC Medium-Voltage Switches Used in Metal-Enclosed Switchgear

6. 
   National Fire Protection Association (NFPA):
   

70-11...................National Electrical Code (NEC)

PART 2 - PRODUCTS

1. 
   MEDIUM-VOLTAGE SECTIONALIZING SWITCHES
   

1. 
   Shall be in accordance with ANSI, IEEE, NEMA, NFPA, as shown on the drawings, and have the following features:
   
   1. 
      304 stainless steel hardware.
      

2. 
   Silicon bronze penta-head bolt standards on all models.
   

3. 
   Light grey mounting bars for high visibility in adverse weather.
   

4. 
   All-welded construction.
   

5. 
   Ground nuts located on mounting bar and on the enclosure for concentric neutral.
   

6. 
   Fiberglass ground sleeves for additional cable training.
   

7. 
   Wind stop for top-hinged units.
   

8. 
   Munsell Greenn (7GY 3.29/1.5) finish. Six-stage power wash with iron phosphate durable power paint.
   
9. 
   12ga steel construction.
   

10. 
    Park stand quantities as shown on the plans.
    

2. MEDIUM-VOLTAGE SECTIONALIZING SWITCH METAL GROUND SLEEVE PAD

1. 
   Shall be in accordance with ANSI, IEEE, NEMA, NFPA, as shown on the drawings, and have the following features:
   
   1. 
      304 stainless steel hardware.
      

2. 
   14ga steel construction.
   

3. MEDIUM-VOLTAGE SECTIONALIZING SWITCH LOADBREAK APPARATUS CONNECTOR

1. 
   Shall be in accordance with ANSI, IEEE, NEMA, NFPA, as shown on the drawings, and have the following features:
   
   1. 
      200A, 15kV Class loadbreak junction interfaces that are internally bused together and meet all requirements of IEEE Standard 386 – Separable Insulated Connecter Systems. Quantity as shown on plans.
      
   2. 
      Continuous solid current path of all copper alloy. Aluminum components shall not be used.
      
   3. 
      Body shall be molded of high quality peroxide-cured EPDM insulation and a molded on peroxide-cured semi-conductive EPDM shield.
      
   4. 
      Provide yellow latch indicator ring.
      

1. 
   The loadbreak junction shall have an adjustable stainless steel bracket for mounting at various operating angles on flat or curved surfaces, with up to 90degree tilt in 10degree increments.
   
2. 
   No special tools shall be required. Junction shall be bolted to the mounting surface.
   

PART 3 - EXECUTION

1. 
   INSTALLATION
   

1. 
   Install switches in accordance with the NEC, manufacturer's instructions and recommendations, and as shown on the drawings.
   
2. 
   Anchor switches with rustproof bolts, nuts, and washers not less than
   

13 mm (1/2 inch) diameter, in accordance with manufacturer’s instructions, and as shown on drawings.

3. 
   Exterior Location: Mount switches on metal ground sleeve pad as manufactured by Maysteel CW300 Series.
   

2. ACCEPTANCE CHECKS AND TESTS

1. 
   Perform in accordance with the manufacturer's recommendations. In addition, include the following:
   
   1. 
      Visual Inspection and Tests:
      

1. 
   Compare switches nameplate data with specifications and approved shop drawings.
   
2. 
   Inspect physical and mechanical condition.
   

3. 
   Confirm correct application of manufacturer's recommended lubricants.
   
4. 
   Vacuum-clean switch enclosure interior. Clean switch enclosure
   

exterior.

5. 
   Verify appropriate anchorage and required area clearances.
   

6. 
   Verify appropriate equipment grounding.
   

7. 
   Inspect all field-installed bolted electrical connections, verifying tightness of accessible bolted electrical connections by calibrated torque-wrench method, or performing thermographic survey after energization under load.
   
8. 
   Exercise all active components.
   

3.