4_RFI-PG-122020_2020-02-18 LBNL GPS Spec Book.pdf

UNIVERSITY OF CALIFORNIA

LAWRENCE BERKELEY NATIONAL LABORATORY

BERKELEY, CALIFORNIA

115kV Grizzly Peak Substation 1 Cyclotron Road

Grizzly Peak Substation/Building 79 Site Berkeley, California 94720

FLAD PROJECT NUMBER

18350-06

February 18, 2020

SPECIFICATIONS BOOK

VOLUME 1

CLIENT PROJECT NUMBER

106770-001

Flad Architects

Flad & Associates, Inc.

650 California Street

17th Floor San Francisco, California 94108

GRIZZLY PEAK SUBSTATION EXPANSION Project No. 19037-00

(30%) Concept Design Table of Contents

Date 2.18.2020 TOC - 1

TABLE OF CONTENTS

DIVISION 01 – General Conditions

01 1000 General Requirements 01 3500 Special Procedures 01 3500A Supplement for Equipment Energization Plan 01 3500B Inspection, Test & Witness Hold Plan 01 3529 Environment, Safety, and Health Procedures 01 7900 Demonstration and Training

DIVISION 03 – Concrete

03 1000 Concrete Forming 03 2000 Concrete Reinforcing 03 3000 Cast-in-Place Concrete 03 3700 Shotcrete 03 6100 Grouted Dowels in Concrete

DIVISION 04 – MASONRY

04 2215 Concrete Unit Masonry - Reinforced

DIVISION 05 – Metals

05 0525 Post-Installed Concrete Anchors 05 1200 Structural Steel Framing 05 3100 Steel Decking 05 4000 Cold Formed Metal Framing 05 5000 Metal Fabrications 05 5213 Pipe and Tube Railings 05 5313 Bar Gratings

DIVISION 06 – Wood, Plastics, and Composites

06 1000 Rough Carpentry 06 1643 Gypsum Sheathing

DIVISION 07 – Thermal and Moisture Protection

07 1320 Below Grade Sheet Waterproofing 07 1416 Masonry Waterproofing Paint 07 2100 Thermal Insulation 07 2726 Self-Adhering Membrane Air Barriers 07 4113 Standing Seam Metal Roof Panels 07 6200 Sheet Metal Flashing and Trim 07 7100 Roof Specialties 07 9200 Joint Sealants

DIVISION 08 – Openings

08 1113 Hollow Metal Doors and Frames 08 3323 Overhead Coiling Doors 08 7100 Door Hardware 08 9100 Louvers

Date 2.18.2020 TOC - 2

DIVISION 09 – Finishes

09 2216 Non Structural Metal Framing 09 2900 Gypsum Board

DIVISION 10 – Specialties

10 1420 Signage 10 4400 Fire Protection Specialties

DIVISION 11 – Equipment

11 2429 Facility Fall Protection

DIVISION 20 - MECHANICAL

20 0000 General Mechanical Requirements 20 0513 Motors 20 0514 Variable Frequency Drive (VFD) System 20 0520 Excavation and Backfill 20 0529 Piping and Equipment Supporting Devices 20 0549 Seismic Anchorage and Restraints Future 20 0550 Vibration Isolation for Plumbing and HVAC 20 0553 Mechanical Systems Identification 20 0573 Mechanical Systems Firestopping 20 0700 Mechanical Systems Insulation Future General Piping Requirements

DIVISION 21 - FIRE SUPPRESSION

21 0000 General Fire Suppression Requirements 21 0533 Electrical Heat Tracing (Fire Protection Systems) 21 1114 Exterior Fire Suppression Piping Systems 21 1200 Standpipe System 21 1314 Automatic Fire Sprinkler System

DIVISION 22 - PLUMBING

22 0000 General Plumbing Requirements 22 1114 Exterior Services 22 1118 Water Distribution System 22 1314 Sanitary Waste and Storm Drainage Systems 22 1414 Building Subsoil Drainage 22 2114 Plumbing Specialties

DIVISION 23 - HEATING, VENTILATING AND AIR CONDITIONING

23 0000 General HVAC Requirements 23 0130 HVAC System Cleaning 23 0525 Owner-Furnished Equipment 23 0550 Vibration Isolation 23 0595 Air Systems Test Adjust Balance 23 0595A Air Systems Test Adjust Balance 23 0598 Acceptance Testing of Rotating Equipment Future 23 0800 Commissioning of HVAC Future 23 0814 Commissioning of Control Systems 23 0901 Control Systems Integration 23 0901A Control Systems

Date 2.18.2020 TOC - 3

23 0902 Control Valves and Dampers 23 0903 Control Instrumentation 23 0905 Instrument Point List 23 0923 Direct Digital Controllers and Networks 23 0924 Graphical User Interface Integration 23 0993 Control Sequences 23 2114 Underground (Direct Buried) Piping 23 2116 Pipe and Pipe Fittings 23 2118 Valves 23 2120 Piping Specialties 23 3114 Ductwork 23 3314 Ductwork Specialties 23 3400 Fans 23 3600 Air Terminal Devices 23 3713 Diffusers, Registers and Grilles 23 4114 Filters 23 5214 Primary Heating Equipment

DIVISION 25 - INTEGRATED AUTOMATION

25 0192 Instrument Calibration 25 0553 Instrumentation Tagging 25 0618 Instrument Index 25 1316 Control Panels 25 1326 Control Panels Factory Acceptance Test (FAT) 25 1522 Graphical User Interface Hardware and System Software 25 1524 Graphical User Interface Application Design 25 3001 General Instrumentation Requirements 25 3002 Process Control Valves and Dampers 25 3003 Process Instrumentation Device Specifications 25 5100 Centralized Equipment and Alarm System Monitoring 25 6010 Field Instrument Loop Check Future 25 9000 Control Sequences

DIVISION 26 - ELECTRICAL

26 0000 General Electrical Requirements 26 0126 Maintenance Testing of Electrical Systems

26 0513.13 Medium-Voltage Open Conductors 26 0513.16 Medium-Voltage, Single-and-Multi-Conductor Cables 26 0519 Low-Voltage Electrical Power Conductors and Cables 26 0526 Grounding and Bonding for Electrical Systems 26 0526.13 Resistance Grounding System

26 0529 Hangers and Supports for Electrical Systems 26 0533 Raceway and Boxes for Electrical Systems 26 0536 Cable Trays for Electrical Systems 26 0543 Underground Ducts and Raceways for Electrical Systems 26 0543.13 Excavation and Backfill 26 0543.19 Manholes and Hardware 26 0553 Electrical Systems Identification 26 0573 Power System Studies 26 0593 Electrical Systems Firestopping

26 0913 Electrical Power Monitoring and Control

26 1310 Medium-Voltage Vacuum Interrupter Switchgear (12.47kV) 26 1310Medium-Voltage Vacuum Interrupter Switchgear (34.5kV)

Date 2.18.2020 TOC - 4

26 13xx SF6 Circuit Switchers Future 26 1829 Medium-Voltage Enclosed Bus 26 2416.13 Lighting and Appliance Panelboards 26 2416.16 Distribution Panelboards 26 2726 Wiring Devices 26 2813 Fuses 26 2816 Enclosed Switches and Circuit Breakers Future 26 3300 Battery Equipment 26 3623 Automatic Transfer Switches 26 4300 Surge Protective Devices 26 5000 Lighting

DIVISION 28 - ELECTRONIC SAFETY AND SECURITY

28 3113 Fire Detection and Alarm Systems

DIVISION 31 - EARTHWORK

31 2300 Structural Excavation and Fill 31 2316.13 Trenching 31 2323 Backfilling 31 5000 Excavation Support and Protection 31 1000 Site Clearing 32 1123 Aggregate Base Courses 32 1216 Asphalt Paving 33 4000 Storm Drainage Utilities 33 0500 Common Work Results for Utilities

END OF TABLE OF CONTENTS

GRIZZLY PEAK SUBSTATION. SC#XXXXX

115/34.5/12.5kV TRANSFORMER 3 & 4 ADDITION

LBNL Facilities Master Specifications 261300-1 Revised 12.5kV Medium Voltage Outdoor Metal Clad Switchgear 05/21/19

SECTION 261300 – 12.5kV MEDIUM VOLTAGE OUTDOOR METAL CLAD SWITCHGEAR

PART 1 - GENERAL

1.1 SUMMARY

A. Related Documents:

1. Drawings and general provisions of the Subcontract apply to this Section.

2. Review these documents for coordination with additional requirements and information that apply to work under this Section.

B. Section Includes: Design, detailing, fabrication, factory assembly, testing, inspection and delivery of a 15 kV Class indoor, metal enclosed switching station assembly, including the enclosure, facilities, equipment and auxiliary devices. The assembly shall consist of a complete unit, generally consisting of the following:

1. Incoming breaker sections, power circuit breakers.

2. Feeder sections, power circuit breakers.

3. Tie breaker section, power circuit breaker.

4. Potential and control power transformer section.

5. Miscellaneous items and features as described herein.

C. Related Sections:

1. Division 01 Section "General Requirements."

2. Division 01 Section "Special Procedures."

3. Division 26 Section "Common Work Results for Electrical".

4. Division 26 Section “Inspections and Testing for Electrical Work”.

5. Division 26 Section "Medium Voltage Cable".

6. Division 26 Section "600 Volt Conductors and Cable".

7. Division 26 Section "Low-Voltage Electrical Power Conductors and Cables (24 Volt AC/DC or Less)".

8. Division 26 Section "Secondary Grounding for Electrical Systems".

9. Division 26 Section "Boxes for Electrical Systems".

10. Division 26 Section "Electrical Conduit".

11. Division 26 Section "Wiring Devices".

12. Division 26 Section “Batteries and Battery Chargers”

1.2 REFERENCES

A. General:

1. The following documents form part of the Specifications to the extent stated. Where differences exist between codes and standards, the one affording the greatest protection shall apply.

2. Unless otherwise noted, the edition of the referenced code or standard that is current at the time of the

“date of record” for the Work shall be considered the effective code or standard for the duration of the project.

3. Refer to Division 01 Section "General Requirements" for the list of applicable regulatory requirements.

4. Refer to specific Division 26 Sections for additional referenced codes and standards.

B. ANSI/NFPA 70 - National Electrical Code.

C. California Administrative Code:

1. Title 8 Division of Industrial Safety, Safety Order.

2. Title 24 State Building Standards.

D. California Public Utilities Commission - General Order No. 95.

E. State of California - Industrial Safety Regulations.

F. American National Standards Institute (ANSI/IEEE).

1. C2 National Electrical Safety Code.

2. C12.1 Code for Electricity Metering.

LBNL Facilities Master Specifications 261300-2 Revised

3. C37.04 Standard Rating Structure for AC High Voltage Circuit Breakers Rated on a Symmetrical Current Basis.

4. C37.06 Preferred Ratings and Related Required Capabilities for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis.

5. C37.07 Interrupting Factors-Reclosing Service.

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

Basis.

7. C37.010 Application Guide for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current

Basis.

8. C37.11 Requirements for Electrical Control for AC High-Voltage Circuit Breakers Rated on a

Symmetrical Current Basis or a Total Current Basis.

9. C37.12 Guide to Specifications for AC High-Voltage Circuit Breakers Rated on a Symmetrical

Basis and a Total Current Basis.

10. C37.20.2 Standard for Switchgear Assemblies Including Metal-Enclosed Bus.

11. C37.90 Relays and Relay Systems.

12. C37.100 Definitions for Power Switchgear.

13. C39.1 Requirements for Electrical Analog Indicating Instruments.

14. C57.13 Requirements for Instrument Transformers.

15. Z55.1 Gray Finishes for Industrial Apparatus.

G. LBNL Construction Details and Design Guidelines; Vol. 3 Construction Details; Part VI Electrical Details

H. LBNL Electrical Authority Having Jurisdiction: Standard Procedure for Safe Electrical Installations (IAHJ Program)

I. LBNL Electrical Safety Manual

J. LBNL Lateral Force Design Criteria, RD 3-22.

K. LBNL Pub-3000 Chapter 8 – Electrical Safety Program

L. LBNL Pub-3000 Chapter 14 – Electrical Equipment Safety Program

M. LBNL Pub-3000 Chapter 18 – Lockout/Tagout Program

N. National Electrical Manufacturer's Association (NEMA):

1. EI 21.1 Instrument Transformers.

2. SG 2 High Voltage Fuses.

3. ST 1 Specialty Transformers.

4. ST 20 Transformers, Dry Type for General Applications.

1.3 SUBMITTALS

A. Submit under provisions of Division 01 Section "General Requirements" Paragraph1.8.F, Submittals, and Division 01 Section "Special Procedures" Paragraph1.7, Drawings and Specifications, Division 26 Section "Common Work Results for Electrical - Submittals" and as required by other sections of the Specifications.

B. Shop Drawings: The Subcontractor shall submit for approval Shop Drawings prepared in accordance with Division 01 Section "General Requirements", Paragraph1.8.F and as required by other sections of the Specifications.

C. All submittals and shop drawings shall be reviewed and approved by the Facilities Division Utility Group Electrical Engineer before procurement or fabrication of material and equipment.

D. The bidders shall list the exceptions taken from the specification with their quote. If no exceptions are listed with the bid, it is understood that the bidder shall meet the requirements of this specification and applicable Codes and Standards.

LBNL Facilities Master Specifications 261300-3 Revised

E. Shop Drawings: Provide five (5) copies, reflecting the current design, for review and University's information.

University review comments must be incorporated on drawings before manufacturing release. Provide five (5) copies of the following final drawings at time of shipment:

1. Outline drawings showing overall assembly and drawings illustrating physical arrangement (plan, front and side views), shipping splits, lifting provisions and total weight. Drawings shall show detail requirement for field assembly of switchgear. Installation drawings include switchgear footprints, recommended mounting details, provisions for conduit entrances and access requirements for installation and maintenance.

2. Cubicle layout drawings showing device locations.

3. Bill of materials describing materials and devices used. Submit for each switchgear section, on a per section basis, with an overall summary total for devices. Each device shall be identified with an identification code corresponding to that used on the Purchase Order Drawings and cross-referenced to the manufacturer's brochures and catalog cuts.

4. Single-Line diagrams.

5. Circuit breaker elementary diagram.

6. Cubicle wiring diagrams for breaker cubicles and auxiliary cubicles.

7. Elementary and wiring diagrams for the following:

a. Control transformers, including secondary automatic selective control details.

b. Control and transfer switches, including escutcheons.

c. Electrical instruments and meters, including meter register ratios and pulse initiators.

d. Electric power apparatus relays, including relay ranges.

e. Instrument transformers, including typical ratio correction and phase angle curves for each accuracy classification.

f. Provide a circuit breaker layout for the panelboard, indicating ampere ratings, circuits supplied and their loads, and overall size.

8. Terminal board arrangement drawings.

9. Interconnection diagrams.

10. Nameplate schedule.

11. Zone 4 seismic tie-down requirements.

F. Factory Test Reports: Submit five (5) copies of certified factory test reports on switchgear, circuit breakers and as per applicable ANSI C37 specifications.

G. Coordination and Site Service Data: Provide erection drawings and complete installation instructions for shipment, unpacking, installation, erection, adjustment, commissioning, and operating of the equipment.

H. Operation and Maintenance Data:

1. Operations and Maintenance Manuals: Submit five (5) copies of operations and maintenance manuals not less than fourteen (14) working days before shipping. Manuals shall contain parts list, recommended spare parts list, relays, relay characteristic curves, meters, instruments, transducer instruction books, and operations and maintenance information for vendor supplied equipment. In addition, 11 by 17 inches (280 by 430 mm) copies of vendor drawings shall be contained in manuals.

2. Spare Parts List: The Vendor shall provide a recommended spare parts list and pricing.

3. Include maintenance instructions for cleaning methods, cleaning materials recommended, instructions for circuit breaker removal, replacement, testing and adjustment, and lubrication.

1.4 QUALITY ASSURANCE

A. Electrical equipment and materials shall be new and within one year of manufacture, complying with the latest codes and standards. No used, re-built, refurbished and/or re-manufactured electrical equipment and materials shall be furnished on this project.

B. Manufacturer's Qualifications: The following criteria shall be met by each prospective Vendor:

1. The Vendor shall have been engaged in the business of building medium voltage switchgear assembly for power and industrial facilities for a period of not less than ten (10) years.

2. The Vendor shall have constructed and delivered at least ten (10) medium voltage switchgear assemblies that as a minimum were 750 MVA rated constructed as indoor, double ended switchgear with main and tie circuit breakers and a total of at least twelve (12) feeder circuit breakers.

C. Installer Qualifications: Primes, Sub or Sub-sub Contractors performing onsite electrical construction work on this project shall have C-10 Electrical construction license from the State of California, USA.

LBNL Facilities Master Specifications 261300-4 Revised

1.5 COORDINATION

A. Refer to Division 01 Section "General Requirements" Paragraph 1.7.

B. Refer to Division 01 Section “Special Procedures” Paragraph 1.6 and Supplement for Equipment Energization Plan and Energization Validation and Authorization Package.

C. Refer to the LBNL Electrical Authority Having Jurisdiction: Standard Procedure for Safe Electrical Installations (IAHJ Program) in regard to the Facilities Energization Validation and Authorization Package (EVAP) process necessary before equipment energization.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Store and protect equipment, material and products under provisions of Division 01 Section "General Requirements."

B. Appropriately pack and ship loose equipment inside the assembly. Clearly mark and provide instruction for items and components that need to be reassembled.

C. Ship assembly via a carrier experienced in handling and transporting these structures.

D. Coordinate the point of delivery with the Project Manager.

E. Delivery Schedule: On-site delivery date for Switchgear shall be as specified in RFQ. Unloading of switchgear will be done by Others Provide a minimum of five (5) business days advance notice of delivery date and time when components must be unloaded by a crane.

F. Vendor shall provide the cost per day for storing the switchgear at Vendor's facility beyond the above delivery dates.

G. Equipment shall be stored indoors, where possible. If equipment is stored outdoors, protect equipment from weather and moisture by covering with heavy plastic or canvas and by maintaining heating within enclosure in accordance with manufacturer's instructions.

1.7 EXTRA MATERIALS

A. Accessory equipment shall include at least the following:

1. One test cabinet, suitable for wall mounting for operating, testing and inspecting the circuit breaker when it is removed from the switchgear. Electrical schematics and test instructions shall be included.

2. One removable closing lever for manually closing the circuit breaker.

3. One removable hand crank for moving circuit breaker to the operating position.

4. One set of test plugs/blocks for relays.

5. One set of test jumpers for connecting breaker unit to test cabinet.

6. One lift truck (i.e., breaker jack for hoisting breaker to rails) for breaker handling during installation and removal.

7. One grounding and testing device that can be inserted in place of a circuit breaker.

8. One spare box (five minimum) of each type of indicator lamp in marked container.

9. One spare set (three) of each size potential transformer fuses in marked container.

10. One spare set (two) of each size control power transformer fuses in marked container.

1.8 WARRANTY

A. Warranty period of one (1) year minimum shall start at the date the equipment is energized after acceptance by the University.

PART 2 - PRODUCTS

LBNL Facilities Master Specifications 261300-5 Revised

2.1 NAMEPLATES

A. Provide for each section, unit, instrument, current transformer ratio (shown with associated relay) light, meter, switch, control, terminal strip, rear panel mounted component (including fuses), fuse blocks, timers, relays, auxiliary relays, etc., in accordance with a nameplate schedule, which shall be generated by the Vendor. Color coding will be used for equipment and functional identification.

1. Nameplates shall be laminated two-ply plastic black face to white core) with legend engraved to white core.

2. Characters shall be uniform block style not smaller than 1/4" for switchgear sections, switching devices, panelboards not smaller than 1/8" for instrument transformers, relays, alarms, instruments, and control devices.

3. Nameplates shall be secured using zinc-chromate plated machine screws.

4. LBNL nomenclature nameplates:

a. Size – 2 inches (50 mm).

b. Location - Front and rear door of each compartment.

c. Legend - To be furnished by LBNL at time of purchase order.

2.2 MANUFACTURERS

A. Eaton/Cutler-Hammer VacClad-W, Type VCP-W (no substitutions).

2.3 POWER CIRCUIT BREAKERS

A. The power circuit breakers shall be vacuum type, three-pole, electrically charged, mechanically and electrically trip-free, stored-energy operating mechanisms. The stored energy mechanism shall be vertically mounted and located behind the front panel of the circuit breaker, to allow access while the circuit breaker is within its compartment. Provision shall be included for manual charging of the mechanism. Breakers shall be removable and shall roll out from horizontal guide rails. They shall have self-coupling primary and secondary contacts. Safety shutters shall be actuated to cover the stationary primary disconnects when the breaker is moved from the connected position. The breaker shall have integral wheels to permit the breaker to be rolled on the floor when removed from the breaker compartment.

B. The breaker compartment shall be furnished with a mechanism which will move the breaker between operate, test, and disconnect positions. The mechanism shall be designed so that the breaker will be self-aligning and will be rigidly held in the operating position without the necessity of locking bars or bolts. In the disconnect position, the breaker shall be easily removable from the compartment.

C. Operating, test and withdrawn positions shall be provided for the breaker unit. The primary contacts shall be disconnected in the test position, but auxiliary contacts and control circuit contacts shall be maintained in this position or shall have means of being connected for breaker and control circuit testing operations. Connections shall be disconnected in the withdrawn position. The entrance to the stationary primary disconnecting contacts shall be automatically covered by shutter when the breaker is in the disconnected or test withdrawn positions.

An indicator shall be furnished to show whether the breaker is in operate, test, or disconnect position.

Provisions for padlocking the circuit breaker in the test or disconnected position, and cubicle doors with locks shall be provided.

D. Provisions shall be made for operating breakers manually, and a mechanical "Close-Trip" indicator shall be provided on the breaker.

E. Normally open and normally closed electrically separate sets of mechanism-operated breaker mounted auxiliary contacts shall be provided in addition to those required for the circuit breaker operating mechanism.

These contacts shall operate in the test and connect positions. The number of contacts provided shall be in accordance with the Rating and Performance Requirements specified herein under Part 2.3.

F. The breaker compartment shall be equipped with electrically separate and convertible breaker auxiliary switch contacts operated by the breaker when in operating position, and provisions shall be made for operation of these contacts when breaker is in the test position. The switchgear manufacturer shall provide two (2) – six-stage auxiliary switch sections with six (6) "a" contact and six (6) "b" contacts per six-stage switch.

LBNL Facilities Master Specifications 261300-6 Revised

G. A stationary removable-element position-indicator switch with convertible contacts shall be furnished. The contacts shall operate when the breaker is moved to the connected position.

H. All unused auxiliary contacts shall be wired to the terminal blocks.

I. A mechanical interlock shall be provided to prevent the removable element from being inserted into or withdrawn from its operating position while the circuit breaker is closed.

J. A mechanism shall be provided to prevent over-travel of the removable element when moving into operate, test and disconnect positions, and to latch the element in each position.

K. The switchgear shall be provided with mechanical interlocks to:

1. Prevent moving the breaker to or from the "connected" position when the breaker contacts are in the

"closed" position.

2. Prevent closing the breaker unless the primary disconnects are fully engaged or the breaker is in the test/disconnect position.

3. Automatically discharge the closing springs when the breaker is moved between the "connected" and test" positions or when it is inserted into or withdrawn from the compartment.

L. The control power transformer and potential transformer primary fuses, whether located on the CPT or on separate rollout trays, shall not be accessible unless the transformer primary and secondary circuits are open.

Rollout trays shall automatically be grounded, throughout its travel, when withdrawn from the compartment.

M. Breakers shall be removable from the equipment by means of a portable lifting device. This device shall be furnished by switchgear manufacturer.

2.4 RATING AND PERFORMANCE REQUIREMENTS - POWER CIRCUIT BREAKERS

A. 15 kV Indoor Metal-Clad Switchgear Ratings and Equipment Requirements:

Equipment and Ratings Requirements

System Voltage 12,470 Volts

Nominal rms rated voltage class 15,000 Volts

Frequency 60 Hertz

Phase 3

Nominal 3-phase class MVA 750

System Grounded wye

Rated voltage range factor (k) 1.30

Rated continuous current of Main Bus, Incoming Line and Feeder Breakers 1,200 amperes rms

Rated short circuit RMS current at rated maximum voltage 28,000 amperes

Closing and latching capability 58,000 amperes

Rated interrupting time 5 cycles

Low-frequency withstand voltage insulation level, kV 36 kV

LBNL Facilities Master Specifications 261300-7 Revised

Equipment and Ratings Requirements

Impulse withstand voltage insulation level, kV 95 kV

Ratings of current transformers Refer to one-line diagram

Current transformer accuracy relaying C400 for CT 1200/5 and 2000/5

Current transformer accuracy relaying C100 for CT 400/5

Control voltage 48V DC Close and trip

Percent spare terminal blocks 20 percent

Finish color Gray (ANSI 61)

Size of grounding cable connection to switchgear ground bus #4/0 AWG

Provision for padlocking circuit breaker in test and disconnected positions Yes

Provision for padlocking on cubicle doors Yes

Number of spare breaker-mounted auxiliary switch contacts required as a minimum

Six "a" and Six "b"

Vacuum interrupter contacts wear indicator Yes

2.5 WIRING

A. All control, meter, and relay wiring, except hinge wire and current and potential transformer secondary leads, shall be Type SIS, single conductor, Class B stranding, No. 14 AWG minimum copper. Wiring for control and relaying circuits requiring external connections and unused terminals of relays and auxiliary contacts shall be brought to conveniently located terminal blocks. The terminal blocks shall be of the screw type to accommodate ring-tongue, crimp type, solderless connections. Wiring shall not have more than two wires connected to a terminal point. Customer's wiring will be arranged for one wire to each terminal point. Twenty percent spare terminal points shall be provided.

B. Wiring over door hinges or other locations where leads may be subject to flexing shall employ the use of No. 14 AWG, 41 strand, extra flexible copper conductors. Hinge wiring shall be arranged so that twisting shall take place in the longitudinal plane of the conductor, rather than across the conductor.

C. Current transformer secondary leads shall be No. 10 AWG minimum copper and shall be wired with crimp-type solderless terminals connected to short circuiting-type terminal blocks.

D. All wiring shall be capable of passing the ICEA Flame Resisting Test, per ICEA Publication No. S-61-401, Section 6.5.

E. Terminal blocks shall be furnished and installed, for interconnecting wiring, at shipping splits. Required interconnecting wiring shall be supplied.

F. Every wire shall have a wire number, as shown on the drawings, which is visible at each termination point.

Wire markers shall be heat shrinkable or plastic interlocking sleeve type. Cloth wire markers are not acceptable. Spare contacts on relays, lockout relays, control switches etc. shall be assigned wire numbers and wired to terminal blocks.

LBNL Facilities Master Specifications 261300-8 Revised

G. All supervisory control and data acquisition system wiring from Switchgear shall be brought to a terminal block for Customer Use within the control compartments. Twisted and shielded pairs shall be used for analog signals.

The SCADA wiring shall include wire and cable, as required.

2.6 CABLE ENTRANCE

A. Switchgear shall be designed for bottom entry of incoming and feeder cables and for control or other wiring.

B. Each breaker compartment shall have a separate cable entry compartment.

2.7 CONTROL SWITCHES

A. A spring return to center breaker control switch shall be provided on each breaker cubicle door. Acceptable control switch type and manufacturer's name are shown in Table 1. Each switch shall have a black, pistol-grip handle and an escutcheon clearly marked to show each operating position. A mechanical target shall indicate the last operating position of the control switch.

B. Connections to terminal blocks shall be made for the breaker trip circuit for tripping from remote lockout relays.

2.8 INDICATING LAMPS

A. Green, white and red circuit breaker position indicating lights, with resistors, shall be provided immediately above each circuit breaker switch to indicate when the breaker is in the Open, Ready or Closed position.

Lamps and lenses shall be replaceable from the front of the panel.

B. An indicating lamp shall be provided on each incoming breaker cubicle to provide indication of availability of utility power.

C. Blue and yellow Local-Remote indicating lights shall be provided for the SCADA control.

D. Connections to the terminal blocks shall be provided for remote indication.

2.9 PROTECTIVE RELAYS

A. Relays shall be utility grade micro-processor type. Acceptable relay type and manufacturers' name are shown in Table 1. Relay time current characteristics will be provided by the University 60 calendar days before shipment.

B. Auxiliary relays shall have dust covers and be surface mounted in the cubicle. Other relays to be furnished shall be installed on the front of the instrument compartment and shall be semi-flush, drawout design with integral testing devices as applicable. The types to be used are shown on the one-line diagrams. The rear of the instrument door shall be constructed to provide a dead-front when opened and accessible to operators.

C. Relays shall be capable of communicating using Modbus TCP and/or Ethernet to the Customer SCADA system.

D. Relays shall provide functionality to remotely close and open each main, tie, and feeder breakers.

TABLE 1 - PROTECTIVE AND CONTROL DEVICES

DEVICE FUNCTION MANUFACTURER

(listed or equal)

STYLE

LBNL Facilities Master Specifications 261300-9 Revised

DEVICE FUNCTION MANUFACTURER

(listed or equal)

STYLE

87 Bus Differential Relay SEL No known equal

SEL-387

86 Hand Reset L/O Relay Electro Switch or Asea-Brown Boveri

WL

50/51/51N/50GS 3-Phase & Neut OC Relay and Arc Flash Detection

SEL

No known equal

SEL-751A

62 Time Delay Relay Agastat or Westinghouse

94X Auxiliary Relay Asea-Brown Boveri or Westinghouse

MG-6

43 Selector Switch Electro Switch or General Electric

W-2

CS Breaker Control Switch Electro Switch or General Electric

W-2

AS Ammeter Switch Electro Switch or General Electric

W-2

VS Voltmeter Switch Electro Switch or General Electric

W-2

TB Test Block Asea-Brown Boveri or General Electric

TBAK

2.10 METERING

A. Revenue Grade meter on each main and feeder breaker per Division 26 Section “Electricity Metering”.

B. All meters shall be installed so that they are accessible for maintenance, testing, or calibration while the gear is energized. Provide test switch on all meters.

C. Provide analog ammeter on each main, feeder, and tie breakers for local display of current. Provide analog voltmeter for local display of voltage. Provide selector switch to switch between phases read.

All metering on the Medium Voltage Switchgear shall connect to a central Ethernet switch located in the switchgear and have a single Cat 5 connection for tying to Customer SCADA

Panel

TABLE 2 - METERS

STYLE

A Ammeter Westinghouse or General Electric

KA-241

LBNL Facilities Master Specifications 261300-10 Revised

DEVICE FUNCTION MANUFACTURER

(listed or equal)

STYLE

V Voltmeter Westinghouse

2.11 AUXILIARY COMPARTMENTS

A. Compartments shall supply control power and potential instrument voltage for each bus section and other remote devices, as required. Sufficient compartments shall be provided, as necessary, to house equipment and each compartment shall be provided with hinged doors. Interface wiring and conduit needed to connect the switchgear lineup or other devices requiring control power or potential instrument voltage shall be provided and indicated on the shop drawings. Equipment items shall include the following:

1. Two sets of three potential transformers connected to the indicated primary buses, instruments, meters, and relays and provided with test blocks.

2. Two control power transformers with primary fuses, secondary circuit breakers and their control and indicating lights, and one automatic selective control (ANSI Device 83).

3. One low-voltage, AC panelboard with main and branch circuits as shown.

2.12 CONTROL AND AUXILIARY POWER

A. Switchgear AC control power shall be furnished from an integral control power transformer system.

B. Switchgear DC control power shall be provided from a 48-volt station battery system located in the Customer Control Enclosure, as specified under Division 26 Section "Batteries and Battery Chargers". Switchgear instrument power shall be provided from instrument transformers.

C. Control (Station) Power Transformer System: Two control power transformers shall be provided, each capable of furnishing the complete switching station power requirements as documented on the station one-line. Each transformer shall be fed from a separate main bus. Provisions shall be made for connection to the Customer Auto-transfer switch and Panelboards in the control enclosure.

1. Control Power transformers: Control power transformers shall be ventilated dry type and provide

208Y/120 volt, three-phase, four-wire power to meet the Customer low-voltage AC power requirements The transformer sizes shall not be less than indicated on the drawings. Transformer primary current-limiting fuses shall be interlocked with a secondary molded case circuit breaker provided as part of the control power system. Access to primary fuses shall not be possible unless the secondary breaker is in the open position. The primary fuses shall be of the drawout type. Mechanical interlocks shall prevent removal of primary fuses unless the assembly is in the drawout position. Transformer compartment shall have hinged doors.

2. Automatic Selective Control: Automatic selective control (ANSI Device 83) shall switch control power from the "firm" power bus to the "interruptible" power bus when no power is available on the "firm" bus.

Auxiliary relay contacts shall be provided to allow status monitoring by the SCADA System.

a. Provide an automatic transfer switch with the number of poles, amperage, voltage, and withstand ratings as indicated. Transfer switch shall conform to UL 1008 rated for all classes of loads when installed in an unventilated enclosure. Electrical operation shall be accomplished by a non-fused momentarily energized solenoid direct operating or electric motor operated mechanism or stored energy operator. Mechanical locking in each direction shall be provided.

Operation shall be double throw switching where normal and emergency contacts operate with a midpoint pause to allow time for contactor dropout of motor loads.

D. Accessories: The control unit shall include:

1. Nonadjustable, one-second time delay to override momentary dips in normal power source.

2. Phase voltage relay supervision of three phases of the normal source. Relay shall dropout at 65 to 70 percent and pickup at 92 to 95 percent of nominal voltage to detect "brown out" conditions.

3. Voltage/frequency lockout relay with 90 percent pick-up nominal, to prevent premature transfer.

4. System test switch, momentary type.

LBNL Facilities Master Specifications 261300-11 Revised

5. Auxiliary pilot contacts rated 10 amperes at 480 volt AC., three closed on normal source and three closed on alternate source.

6. Retransfer time delay to normal power source: Adjustable from 2 to 25 minutes.

7. Pilot lights to indicate source to which the load is connected.

E. DC Control Power

1. DC Control power shall be provided from the Customer’s system. The DC input to the switchgear shall be not less than a 100 ampere system. The input shall be protected by fuses at the input connection point. Each individual circuit breaker control system shall be protected by fuses in both close and trip circuits.

2. DC Panelboard: Provide a dead-front safety type lighting and appliance panelboard, rated for 48 VDC with a [___] ampere main breaker and [___] circuits, anti-burn solderless pressure type lug connectors approved for copper conductors; construct unit for connecting feeders at top or bottom of panel as indicated; equip with copper bus bars with bolt-in type heavy-duty, quick-make, quick-break, two-pole circuit breakers with interrupting capacities suitable for the primary source short circuit availability at the DC bus

2.13 BUS AND BUS TAPS

A. Bus bars shall be of copper of sufficient size to carry the rated current continuously without exceeding the temperature rise specified in ANSI C37.20 and adequate to withstand mechanical and thermal stresses due to short circuit currents at least equal to those specified for the circuit breaker.

B. All joints shall be silver-plated and shall be made with at least two 3/8 inches (9 mm) zinc-plated, irridite dipped steel bolts per joint. Provide porcelain inserts in bus-support barriers, porcelain standoff insulators for main bus supports and porcelain sleeves for stationary primary disconnect.

C. Bolted connections shall be silver plated.

D. Busses and bus connections shall be completely insulated with anti-hydroscopic track-resistant material possessing flame-retarding, self-extinguishing properties.

2.14 NON-SEGREGATED BUS DUCT (IF REQUIRED)

A. Bus duct shall be used to tie common aisle type switchgear line-ups together.

B. Bus duct shall be nonsegregated phase bus enclosed in a rectangular sheet metal enclosure.

C. The bus duct shall be capable of carrying rated current [_____A] continuously without exceeding a conductor temperature rise of 65C above an ambient temperature of 40C as required by ANSI C37.20.

D. The bus conductors shall be adequately separated and insulated from each other and ground by glass polyester bus supports. Each bus shall be insulated with flame retardant epoxy impregnated, high dielectric strength insulation.

E. All bus duct runs shall be designed to mechanically withstand the forces generated by short-circuit currents up to 60,000 amperes, and 80,000 amperes momentarily.

2.15 GROUNDING BUS

A. A copper grounding line bus capable of carrying the rated short-circuit current of the circuit breaker for two seconds shall extend the full length of the switchgear sections. The stationary unit shall be connected directly to the ground bus. The frame of the circuit breaker unit shall be grounded through heavy multiple-finger contacts at all times except when the contacts of the breaker primary disconnecting devices are separated for a safe distance. The end of each bus shall be provided with compression-type terminals suitable for a #4/0 AWG grounding cable.

LBNL Facilities Master Specifications 261300-12 Revised

2.16 INSTRUMENT TRANSFORMERS

A. Current Transformers: Current transformers shall be located and have ratios as indicated on the drawings.

Burden and continuous current rating shall be suitable for the installation, as defined by ANSI C37.13.

Accuracy ratings shall meet ANSI C37.20 and be increased as necessary to meet burden requirements. CT secondaries shall be connected to shorting type terminal blocks.

B. Potential Transformers: Potential transformers shall be of the drawout type, with current-limiting fuses in both primary and secondary and have a burden and accuracy class rating suitable for the installation, but not less than ANSI accuracy class of 0.3Z. Mechanical interlocks shall prevent removal of the fuses unless the associated potential transformer is in the drawout position. PT compartments shall have hinged doors.

C. Test Blocks and Accessories: Instruments and protective relays, requiring periodic testing or calibration and that are not equipped with integral testing features, shall be provided with test blocks. Test blocks shall have suitable covers, be mounted beneath the devices to be tested and be provided with engraved nameplates.

2.17 SUPERVISORY CONTROL AND DATA ACQUISITION SYSTEM (SCADA)

A. All equipment alarms and statuses shall be wired to the Protective Relay associated with that equipment. The Protective Relay shall have an RS-232 serial port to allow connection of the Protective Relay to the customer SCADA panel in the control enclosure.

B. SCADA control of the power circuit breakers shall be via the breaker protective relay.

2.18 LIGHTING AND RECEPTACLES

A. Receptacles: One 120 volt AC duplex receptacle shall be provided in each cubicle.

B. Lighting: Each control compartment shall be equipped with a 100W lightbulb (or LED Equivalent) hooked to a door switch to turn on when the door is open.

2.19 SPACE HEATER AND VENTILATION

A. Thermostatically-controlled space heaters shall be provided for equipment so that the temperature inside each cubicle shall be automatically maintained above the dew point temperature over an ambient temperature range of minus 20 to 104 deg F (6.7 to 40 deg C). An ammeter shall be provided in the heater circuit with full circuit ampacity clearly marked on the ammeter scale. The space heaters shall be rated 240 VAC but operated by 120 V power source.

2.20 SAFETY DESIGN SHALL INCLUDE AS A MINIMUM

A. The rating interference plate which allows only a breaker of the correct type and rating to be inserted into any specific breaker compartment.

B. Grounded, metal safety shutters which automatically close to cover the stationary primary disconnects when the breaker is moved from the "connected" position. Safety shutters shall have "LINE" and "LOAD" sides labeled.

C. Dead front construction of exterior and interior surfaces normally accessible to operators while the equipment is energized.

2.21 BREAKER CONTROL INTERLOCKS

LBNL Facilities Master Specifications 261300-13 Revised

A. The two incoming line breakers and the tie breaker shall be coordinated and interlocked to permit the following operational control:

1. During normal operation, incoming line breakers will be closed and tie breaker will be open.

2. A "hot transfer switch" shall be provided on the front panel of the tie breaker to permit transferring of loads from Bus 1 to Bus 2 (1 to 2) or from Bus 2 to Bus 1 (2 to 1). A time delay bypass switch shall relocated, and labeled, adjacent to the time delay relay.

3. Actuation of the "hot transfer switch" (1 to 2) will close the tie breaker and within an adjustable time delay of 0 second to 60 seconds, open the Bus 1 incoming line breaker .

4. Actuation of the "hot transfer switch" (2 to 1) will close the tie breaker and within an adjustable time delay of 0 second to 60 seconds, open the Bus 2 incoming line breaker.

5. Reset of the Switchgear A1, "hot transfer switch," will close the three breakers and within an adjustable time delay of 0 second to 60 seconds, open the tie breaker.

B. "Hot transfer switches" shall be key operated for administration control.

C. All interlock control wiring shall be hard wired without relying on SCADA system.

2.22 FABRICATION

A. Construction: The switchgear shall be designed, built and tested in accordance with applicable ANSI, IEEE and NEMA standards for Metal Clad Switchgear. Switchgear shall be of outdoor type construction. The complete switchgear assembly shall satisfy California Administrative Code (CAC) Title 24 Seismic Requirements for Zone 4 Application.

B. Enclosures:

1. The vertical cubicles of switchgear lineup shall be as shown on the drawings. The cubicles shall be mounted side-by-side and connected electrically and mechanically to form integrated switching equipment. Maximum dimensions shall not exceed those shown on the Purchase Order Drawings.

2. Each vertical cubicle shall be a self-supporting structure consisting of a bolted-steel frame with reinforcing gussets. Assembled to this frame shall be doors and top, side and rear covers. Side sheets, between breakers can be 13 gauge (2.4 mm). External covers and doors shall be 11 gauge (3.1 mm) steel minimum.

3. Enclosures shall have adequate strength to withstand stresses imposed by shipping, handling, installation, and operation without distortion or damage. Sections shall be capable of being lifted by crane and shall also have provisions for jacking.

4. Primary compartments of each circuit breaker shall be isolated by grounded metal barriers which shall have no intentional openings. (The primary compartments consist of breaker, main bus, power termination, and auxiliary compartments.) Each breaker and rollout tray shall be furnished with a 1/8 inch (3 mm) thick front plate which isolates the control from the primary compartment.

5. Cable termination compartments shall be located at the rear of the equipment, and shall be accessible through locked doors.

6. Ventilation shall be provided by inlet openings through slots in the bottom flange of each front door and louvers in the rear doors. Exhaust will be through basket weave openings in the top covers (not used for power or control cable entry). Intake openings shall be screened and filtered. Top exhaust vents shall be equipped with screens and dust guards.

7. All standard hardware shall be high-tensile strength steel which is zinc-plated and irridite-dipped to resist corrosion.

8. Access Doors: Provide padlockable hinged access doors behind switchgear to permit servicing.

9. Ports for infrared monitoring: Provide lockable viewports to allow for thermal imaging. As manufactured by IRISS Inc. or approved equal.

2.23 FACTORY FINISHES

A. Corrosion Protection: Steel parts shall be galvanized, plated or painted to provide adequate corrosion protection for an indoor application.

B. The switchgear enclosure parts shall be given an iron-phosphate pre-treatment and one coat of phenolic-modified alkyd-zinc-chromate primer. After assembly, a finish coat of air-dried nitrocellulose lacquer paint of gray color (ANSI 61) is applied to exterior surfaces.

LBNL Facilities Master Specifications 261300-14 Revised

C. A supply of "touch-up" paint shall be provided from paint used for the final coat.

2.24 FACTORY TESTS

A. Test Requirements: Circuit breaker units and bus shall be completely assembled, wired, and functionally tested at the factory in accordance with applicable ANSI, IEEE and NEMA standards. The University's representative shall be allowed to witness final tests of the assembly. The factory tests shall include but not be limited to the following tests (see Paragraphs B and C, below).

B. Design Tests: Vendor shall certify that representative breakers of basically the same design, the same interrupters, the same contact speeds and similar dielectric strength have been tested for design adequacy in accordance with ANSI C37.09 and that a switchgear lineup of basically the same design has been tested for design adequacy in accordance with ANSI C37.20.

C. Production Tests: Production tests shall be made and shall include the following as appropriate for the type of breaker concerned.

1. Power Circuit Breaker (ANSI C37.09)

a. Current transformer tests.

b. Bushing tests.

c. Nameplate check.

d. Resistors, heaters, and coils check tests.

e. Control and secondary wiring check tests.

f. Clearance and mechanical adjustment check tests.

g. Mechanical operation tests.

h. Timing tests.

i. Stored energy system tests.

j. Electrical resistance of current path test.

k. Low-frequency withstand voltage tests.

l. Low-frequency withstand voltage tests on control and secondary wiring.

2. Metal-Clad Switchgear Lineup (ANSI C37.20)

a. Wiring check.

b. Dielectric tests.

c. Operation of breaker positioning mechanism.

d. Instruments and relays functional tests.

e. Grounding of instrument transformer cases tests.

f. Operation check of control circuits.

3. Functional Tests: The intent of functional tests is to prove the proper interactions of sensors, instruments, protective devices, and control system so as to ensure total system operating capability.

Local, remote, and interlocking control modes shall be tested. The Vendor shall provide devices necessary to stimulate such control for test purposes. Device operation, control and interlock operation, protective operations, alarm and status system activation shall be tested and verified.

D. Inspection: A University representative will inspect and witness testing of the complete switchgear assembly in the Vendor's plant prior to shipment. Vendor shall notify the University in writing a minimum of fifteen (15) working days in advance so that the University engineer may be present to witness testing and to inspect the complete assembly.

E. The University will provide the Vendor with a written waiver if a factory inspection and test witnessing is not to be performed by the University.

PART 3 - EXECUTION

3.1 FIELD QUALITY CONTROL

A. Technical Assistance by Manufacturer's Representative: The Vendor shall include provisions for technical assistance by a manufacturer's representative. The technical assistance shall include, but not be limited to, supervision of switchgear unloading, installation, support, inspection, relay calibration, testing and startup.

Tests shall be made in the presence of an LBNL Inspector or the Electrical AHJ’s designated representative.

LBNL Facilities Master Specifications 261300-15 Revised

The application or interruption of power shall be programmed and directed in accordance with the approved EVAP, inclusive of the Equipment Energization Plan and necessary permits, work tasks and safety compliance…