Department of veterans affairs vha master specifications

SECTION 26 13 13

MEDIUM-VOLTAGE CIRCUIT BREAKER SWITCHGEAR

PART 1 - GENERAL

1. 
   DESCRIPTION
   

1. 
   This section specifies the upgrading of the existing 5kV switchgear to 15kV rated switchgear by replacing the following components: potential transformer, control power transformer, surge arresters station class, CPT fuse, and CPT fuse clips and reprogramming relays.
   
2. 
   Provide all control for complete system. Provide all relays,
   

programming, auxiliary switch contacts, coils, check switches, motor limit switches, motor cutoff switches, control power, monitoring devices and displays, control switches, etc for complete and operational system rated for 15kV operation.

2. RELATED WORK

1. 
   Section 03 30 00, CAST-IN-PLACE CONCRETE: Requirements for concrete equipment pads.
   
2. 
   Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS:
   

Requirements that apply to all sections of Division 26.

3. 
   Section 26 05 13, MEDIUM-VOLTAGE CABLES: Medium-voltage cables and terminations.
   
4. 
   Section 26 05 26, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS:
   

Requirements for personnel safety and to provide a low impedance path to ground for possible ground fault currents.

3. QUALITY ASSURANCE

1. 
   Refer to Paragraph, QUALIFICATIONS (PRODUCTS AND SERVICES), in Section
   

26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS.

4. SUBMITTALS

1. 
   Submit six copies of the following in accordance with Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS.
   
   1. 
      Shop Drawings:
      

1. 
   Submit sufficient information to demonstrate compliance with drawings and specifications.
   
2. 
   Prior to upgrade of switchgear components, submit the following
   

data for approval:

1. 
   Complete electrical ratings.
   

2. 
   Interrupting ratings.
   

3. 
   Safety features.
   

4. 
   Accessories and nameplate data.
   

5. 
   Elementary and interconnection wiring diagrams.
   

1. 
   Technical data for each component. 7)Dimensioned exterior views of the switchgear.
   

8. 
   Dimensioned section views of the switchgear.
   

8. 
   Bill of Materials.
   

1. 
   Obtain and submit written approval from the electric utility company, that the equipment and material interface with the customer meets with their requirements and approval.
   
1. 
   Manuals:
   

1. 
   Submit, simultaneously with the shop drawings, companion copies of complete maintenance and operating manuals, including technical data sheets, wiring diagrams, and information for ordering replacement parts.
   
   1. 
      Three-line diagrams showing device terminal numbers.
      

1. 
   Schematic signal and control diagrams, with all terminals identified, matching terminal identification in the switchgear.
   
2. 
   Include information for testing, repair, troubleshooting, assembly, disassembly, and factory recommended/required periodic maintenance procedures and frequency.
   
3. 
   Provide a replacement and spare parts list. Include a list of tools and instruments for testing and maintenance purposes.
   
1. 
   If changes have been made to the maintenance and operating manuals originally submitted, submit updated maintenance and operating manuals two weeks prior to the final inspection.
   
1. 
   Certifications: Two weeks prior to final inspection, submit four copies of the following.
   
   1. 
      Certification by the manufacturer that upgraded switchgear components conforms to the requirements of the drawings and specifications.
      
   2. 
      Certification by the Contractor that upgraded switchgear components have been properly installed, adjusted, and tested.
      

6. 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 the basic designation only.
   

2. 
   American National Standards Institute (ANSI):
   

C37.54-10...............Indoor Alternating Current High-Voltage Circuit

Breakers Applied as Removable Elements in Metal-Enclosed Switchgear - Conformance Test Procedures

C37.55-10...............Medium-Voltage Metal-Clad Assemblies -

Conformance Test Procedures

3. 
   Institute of Electrical and Electronics Engineers (IEEE): C37.04-09...............Standard for Rating Structure for AC
   

High-Voltage Circuit Breakers
C37.09-11...............Standard Test Procedure for AC High-Voltage
Circuit Breakers Rated on a Symmetrical Current Basis

C37.20.2-99.............Standard for Metal-Clad Switchgear

C37.90-06...............Standard for Relays and Relay Systems
Associated with Electric Power Apparatus C57.13-93...............Standard Requirements for Instrument

Transformers

4. 
   International Code Council (ICC):
   

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

5. 
   National Electrical Manufacturers Association (NEMA):
   

C37.06.1-00.............Guide for AC High-Voltage Circuit Breakers

Rated on a Symmetrical Current Basis C37.57-10...............Switchgear-Metal-Enclosed Interrupter

Switchgear Assemblies - Conformance Testing LA 1-09.................Surge Arrestors

SG 4-09.................Alternating-Current High-Voltage Circuit
Breakers

6. 
   National Fire Protection Association (NFPA):
   

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