A. Submittals shall be made in accordance with Division 1, Section

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1 PART 1 - GENERAL 1.01 SCOPE A. The work of this section includes providing a fully enclosed metal-clad 12.47kV switchgear and auxiliary equipment as specified herein and as shown on the contract drawings. Work shall be fully coordinated with portable 115kV substation RELATED SECTIONS A. Section 01010: Summary of Work B. Section 01300: Submittals C. Section 16310: Transformer and 115KV Equipment 1.03 REFERENCES A. The metal-clad switchgear and all components shall be designed, manufactured and tested in accordance with the latest applicable standards of NEMA SG-4 and SG-5, Section 400 of the Electric Utility Service Equipment Requirements Committee (EUSERC), and (but not limited to) the requirements of ANSI/IEEE SUBMITTALS A. Submittals shall be made in accordance with Division 1, Section B. For Review/Approval: Within 60 days after receipt of Purchase Order, six sets of the following information shall be submitted to the City for approval in accordance with Section 01300: 1. Front exterior and control panel view elevation 2. Top and plan view 3. Single line diagram 4. Elementary wiring diagram 5. Nameplate schedule 6. Component list 7. Conduit entry/exit locations 8. Assembly ratings including: 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

2 a. Short-circuit rating b. Voltage c. Continuous current d. Basic impulse level for equipment over 600 volts 9. Major component ratings including: a. Voltage b. Continuous current c. Interrupting ratings 10. Cable terminal sizes. C. For Construction: The following information shall be submitted for record purposes: 1. Eight sets of final as-built drawings full size printed copies and one set of AutoCAD compatible drawings on CD-ROM or other approved electronic media. 2. Final control schematic, 3 line-diagrams, and panel wiring diagrams 3. Certified production test reports 4. Installation information including equipment anchorage provisions 5. Seismic certification QUALIFICATIONS A. For the equipment specified herein, the manufacturer shall be ISO 9001 or 9002 certified. B. The manufacturer of this equipment shall have produced similar electrical equipment for a minimum period of five (5) years. When requested by the Engineer, an acceptable list of installations with similar equipment shall be provided demonstrating compliance with this requirement. C. The following minimum mounting and installation guidelines shall be met, unless specifically modified by the above referenced standards. 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

3 1. Equipment mounting recommendations shall be provided by the manufacturer based upon approved shake table tests used to verify the seismic design of the equipment. 2. The equipment manufacturer shall certify that the equipment can withstand, that is, function following the seismic event, including both vertical and lateral required response spectra as specified in above codes. 3. The equipment manufacturer shall document the requirements necessary for proper seismic mounting of the equipment. Seismic qualification shall be considered achieved when the capability of the equipment, meets or exceeds the specified response spectra JOB CONDITIONS A. Seismic Requirements 1. The 12kV switchgear, internally mounted transformers, substation auxiliary equipment, luminaires and other equipment, including supports and attachments, shall be designed and tested to the Uniform Building Code Zone 4 requirements to determine that it will be functional following a seismic event. All calculations shall be done by a Registered California Civil Engineer. 2. For all electrical equipment and enclosures, including but not limited to panels, instrumentation equipment, switchgear, transformers, and other assemblies with an operating weight of 500 pounds or more (250 pounds in the case of vibration isolated equipment having seismic restraints) in addition to the above requirements, the Supplier shall submit detailed lateral force support calculations for review by the City/Engineer that demonstrates that neither the anchor bolting nor the element of the equipment to which the bolts are attached will fail in shear or in tension. Calculations shall be signed by a civil or structural engineer registered in California. calculations shall include the following steps as a minimum: a. Determination of the operating weight and centroid of the equipment, if not already calculated. b. Determination of the shear and overturning forces at each anchorage due to a force being applied at the centroid in each direction along the three principal orthogonal axes (use the values obtained in the dynamic analysis in the case of seismically restrained vibration isolated equipment). Refer to Uniform Building Code, Section 1632, to design equipment support and anchorage. 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

4 c. Determination of the shear and tension forces which must be developed by the anchor bolts at each support to resist the forces calculated in Step b. d. Selection of anchor bolting details based on the maximum shear and tension forces calculated in Step c. As a minimum, details shall include number of bolts, materials, diameter, total length, and embedded length. 3. Vibration-isolated equipment shall be provided with snubbers capable of retaining the equipment in its designated locations without any material failure or deformation of the snubbers when exposed to a vertical or horizontal force at the contact surface equal to 100% of the operating weight of the equipment. Air gaps between retainer and equipment base shall not exceed ¼ inch. 4. When anchorage to equipment is to be made of cast-in-place concrete elements, it is imperative that installation of anchorage be coordinated by the Supplier so that anchorage may be installed at time of pouring. If calculations and anchorage details are not submitted prior to placement of concrete, the Supplier shall become responsible for any strengthening of concrete elements because of superimposed seismic loading. 5. All raceways, ductworks, accessories, appurtenances, etc., furnished or not with equipment shall be anchored to resist a lateral seismic force. This force shall be considered acting at the center of gravity of the piece under consideration. Refer to Uniform Building Code, Section 1632, to design equipment support and anchorage. 6. Piping with flexible connection and/or expansion joints shall be anchored such that the intended uses of these joints are maintained in the piping system. B. Certified copies of seismic test results or calculations signed and sealed by a California licensed Structural or Civil Engineer shall be submitted for the equipment to show compliance with the above requirements. IEEE 693 Recommended Practices for Seismic Design of Substations shall be used for test simulation procedures. C. Equipment Supports Provide equipment supports for all equipment in accordance with the Contract. All skid mounted electrical equipment shall be mounted on steel supports that provide safety factor of 1.65 for height and weight of equipment as provided. 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

5 1.07 DELIVERY, STORAGE AND HANDLING A. Equipment shall be handled and stored in accordance with manufacturer s instructions. One (1) copy of these instructions shall be included with the equipment at time of shipment. B. Switchgear shall be delivered to the job site at University and Xavier in East Palo Alto, California. C. Shipping groups shall be designed to be shipped by truck, rail, or ship. Shipping groups shall be bolted to skids. Breakers and accessories shall be packaged and shipped separately. D. Switchgear shall be equipped with lifting eyes suitable for lifting by a crane. Where cranes are not available, switchgear shall be suitable for skidding in place on rollers using jacks to raise and lower the groups OPERATION AND MAINTENANCE MANUALS A. Six sets of equipment operation and maintenance manuals shall be provided with each assembly shipped, and shall include instruction leaflets, instruction bulletins and complete schematics for the complete assembly and each major component. Five sets of manuals shall be supplied in 3-ring style binders, and one set of manuals on CD-ROM or other approved electronic media in Word or.pdf format. PART 2 - PRODUCTS 2.01 MANUFACTURERS A. ABB, Cutler-Hammer, General Electric, S&C, or approved interchangeable equal RATINGS The listing of specific manufacturers above does not imply acceptance of their products that do not meet the specified ratings, features and functions. Manufacturers listed above are not relieved from meeting these specifications in their entirety. A. The switchgear described in this specification shall be designed for operation on a 12.47kV, three-phase, three-wire, solidly grounded, 60-hertz system. B. Each feeder circuit breaker shall have the following ratings: Maximum Voltage BIL Rated Continuous Current 15kV 95kV Peak 600 Amperes 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

6 Short-Circuit Current at rated Maximum kv 18kA RMS SYM Rated Voltage Range Factor K 1.3 Closing and Latching Capability 63kA Crest Maximum symmetrical Interrupting and Three Second Rating 23kA RMS SYM Nominal 3-Phase MVA Class 500 MVA Rated Interrupting Time Five cycles C. Main breaker trip/frame rating shall be 2,000 A continuous with 40 ka RMS symmetrical short circuit rating. D. The switchgear and metering section shall be listed by Underwriters Laboratory (UL), or a Nationally Recognized Testing Laboratory accepted by San Francisco Electrical Inspection Division CONSTRUCTION A. The switchgear assembly shall be of outdoor construction having a sloping weatherproof roof, and consisting of vertical sections housing various combinations of circuit breakers and auxiliaries, on one steel skid structure or bolted to form a rigid metal-clad switchgear assembly. Metal side sheets shall provide grounded barriers between adjacent structures and solid removable metal barriers shall isolate the major primary sections of each circuit. Hinged front and rear doors, complete with provisions for padlocking, shall be provided. B. The switchgear assembly shall accept the service, feeder and phone conduit locations as generally shown on the contract drawings. C. The switchgear shall only require front and rear working space. Energized parts shall not require working space from the side of the switchgear. D. The stationary primary breaker contacts shall be silver-plated and recessed within insulating tubes. A steel shutter shall automatically cover the stationary primary disconnecting contacts when the breaker is in the disconnected position or out of the cell. E. Each breaker compartment shall have a breaker rackout device. Using rackout device, a breaker shall be self-aligning and shall be held rigidly in the operating position. In the disconnect position, breaker shall be easily removable from compartment. Breaker racking shall be accomplished with door closed and latched. Insert handle through a hole in front door to operate rackout device. The front of each breaker cubicle shall also be furnished with provisions for mounting a remote open/close mechanism. Remote open/close mechanism shall allow operator to stand 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

7 2.04 BUS up to thirty feet away from breaker while breaker is electrically opened/closed with breaker door closed. F. An indicating tape shall show breaker position when racking breakers in or out of their connected positions G. Interlocks shall prevent moving breaker to or from operating position unless main contacts are open. Operating springs shall be discharged automatically when breaker is rolled fully into connected or disconnected position. Rackout device shall have provisions to padlock in connected or disconnected position. When locked in disconnected position, breaker shall be removable from compartment using portable lifting device. Padlock shall not interfere with breaker operation. Automatic shutters shall cover primary disconnect stabs when breaker is withdrawn to test/disconnect position. Shutters shall be positively driven by linkages connected to racking mechanism. A stationary barrier shall be located in front of the shutters for additional safety. H. Each breaker and cable termination compartment shall be lighted. Lighting for each compartment to be controlled by an individual 1 hour spring wound timer switch accessible on the outside surface of breaker enclosure panel. Power source is to be provided by battery system. A. The main bus shall be copper and have epoxy flame-retardant and track-resistant insulation. The bus supports between units shall be flame-retardant, track-resistant, glass polyester. The switchgear shall be constructed so that all buses, bus supports and connections shall withstand stresses that would be produced by currents equal to the momentary ratings of the circuit breakers. Main bus shall be rated 2000 amperes. Insulated copper main bus shall be provided and have provisions for future extension. All bus joints shall be plated, bolted and insulated with easily installed boots. The bus shall be braced to withstand fault currents equal to the close and latch rating of the breakers. The temperature rise of the bus and connections shall be in accordance with ANSI standards and documented by design tests. B. A copper ground bus shall extend the entire length of the switchgear. C. 125 VDC control terminal blocks shall be provided along the entire switchgear assembly for circuit breaker operation. Control power for the switchgear shall be obtained from the control power transformer and station battery with accessories as specified. 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

8 2.05 CONTROL POWER BUS A. 125 VDC control power bus shall be provided along the entire switchgear assembly for circuit breaker operation. Control power for the switchgear shall be obtained from the control power battery and accessories specified WIRING/TERMINATIONS A. The switchgear manufacturer shall provide suitable terminal blocks for secondary wire terminations and a minimum of 10% spare terminals shall be provided. One control circuit cutout device shall be provided in each circuit breaker housing. Switchgear control wire shall be #12 AWG, type SIS rated 600V, 90 degrees C, furnished with wire markers at each termination. Wires shall terminate on terminal blocks with marker strips numbered in agreement with detailed connection diagrams. B. All current transformer (CT) secondary wiring shall be landed on shorting type terminal blocks. CT wiring shall be minimum of #10 AWG, type SIS rated 600V, 90 degrees C, furnished with wire markers at each termination. Use ring tongue terminal for all current transformer wire terminations. C. Incoming line, feeder and ground cable lugs of the type and size indicated shall be furnished CIRCUIT BREAKERS A. The circuit breakers shall be horizontal drawout type, capable of being withdrawn on rails. The breakers shall be operated by a motor-charged stored energy spring mechanism, charged normally by a universal electric motor and in an emergency by a manual handle. The primary disconnecting contacts shall be silver-plated copper. B. Each circuit breaker shall contain three vacuum interrupters separately mounted in a self-contained, self-aligning pole unit, which can be removed easily. The vacuum interrupter pole unit shall be mounted on glass polyester supports. A contact wear gap indicator for each vacuum interrupter, which requires no tools to indicate available contact life, shall be easily visible when the breaker is removed from its compartment. The current transfer from the vacuum interrupter-moving stem to the breaker main conductor shall be a non-sliding design. The breaker front panel shall be removable when the breaker is withdrawn for ease of inspection and maintenance. C. The secondary contacts shall be silver-plated and shall automatically engage in the breaker operating position, which can be manually engaged in the breaker test position. D. Interlocks shall be provided to prevent closing of a breaker between operating and test positions, to trip breakers upon insertion or removal from housing and to 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

9 discharge stored energy mechanisms upon insertion or removal from the housing. The breaker shall be secured positively in the housing between and including the operating and test positions. E. The circuit breakers shall be electrically operated, 120V AC close, 125V DC trip. Each breaker shall be complete with control switch and red and green indicating lights to indicate breaker contact position. F. AC control voltage shall be derived from a control power transformer mounted in the switchgear. Breaker control schemes shall be provided as generally shown on the contract drawings. G. Provide six sets of a and b contacts, and three sets of contacts for breaker position (rack in or rack out) status for each circuit breaker for use by the City in the future. H. Provisions shall be included for padlocking the circuit breaker in the open or closed position. The breaker must be capable of being padlocked in the trip-free mode. I. Surge suppressors shall be provided for all outgoing feeder circuits to limit the magnitude of transient voltages, which may damage the insulation system of low BIL loads PROTECTIVE RELAYS A. The switchgear manufacturer shall furnish and install, in the metal-clad switchgear, the quantity, type and rating of protection relays as indicated on the drawings and described hereafter in this specification. B. One Schweitzer Engineering Laboratories (SEL) 551C relay, one 351S-6 relay, one SEL 2401 Satellite synchronized clock and power supply, and one SEL 2032 communication processor connected to local phone line shall be used on the main circuit breaker. The relays shall include front and rear panel EIA-232 serial ports and all interconnecting cabling and associated SEL software. SEL-273A cables shall be used to interconnect the SEL relays and communications processor. An onsite communications port and associated cabling for onsite downloading of relay data shall be included in the relay and communication package. No substitutions are allowed for the relays or communication processor. C. Each feeder circuit breakers shall be provided with one SEL 351S-6 relay, and one 551C relay. The relays shall include front and rear panel EIA-232 serial ports and all interconnecting cabling and associated SEL software, including coax cable between the SEL-2401 clock and SEL An onsite communications port and associated cabling for onsite downloading of relay data shall be included in the relay and 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

10 communication package. No substitutions are allowed for the relays or communication processor. D. Test switches shall be installed for relays including in service series and separate source test plugs. ABB FT-1 test switches or equivalent. Trip circuits shall have red switch handles for identification. E. The switchgear manufacturer shall provide protective device coordination studies and settings for the main breaker and each feeder circuit breaker s relays, including coordination with the main power transformer. The protective device settings shall be created by the relay manufacturer and shall be based on a fully coordinated scheme, including recommended minimum settings with downstream, load side equipment AUXILIARY DEVICES A. Ring type current transformers shall be furnished as indicated on the contract drawings. The thermal and mechanical ratings of the current transformers shall be coordinated with the circuit breakers. Their accuracy rating shall be equal to or higher than ANSI standard requirements. The current transformers shall be located in the 15kV breaker units and shall be front accessible to permit adding or changing current transformers without removing high-voltage insulation connections. Shorting terminal blocks shall be furnished on the secondary of all the current transformers. B. Voltage and control power transformers of the quantity and ratings indicated in the detail specification or drawings shall be supplied. Voltage transformers shall be mounted in drawout drawers contained in an enclosed auxiliary compartment. Control power transformers shall be mounted in drawout drawers. Primary bus connections to rollout auxiliary trays shall be provided with fluidized bed insulated rigid bus bar, braced to withstand the magnetic forces developed during a short circuit bus fault. Rails shall be provided as applicable for each drawer to permit easy inspection, testing and fuse replacement. Shutters or other appropriate barriers shall isolate primary bus stabs when drawers are in the withdrawn position. C. A mechanical interlock shall be provided to require the secondary breaker to be open before the CPT drawer can be withdrawn. D. Station class surge arresters shall be provided in the main circuit breaker section. The arresters shall be suitable for operation under standard service conditions as defined in IEEE The surge arresters shall have a voltage rating of 15kV with a maximum continuous operating voltage of 12.7 kv. E. Annunciator Panel. Major equipment alarms, and station service alarms, shall be wired into a central annunciator panel mounted on the main circuit breaker control panel. Alarms shall include key transformer and substation alarms (see Section 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

11 16310) and 12kV switchgear alarms. Annunciator panel shall be compact design with 1-inch by 2-inch backlit windows, and solid-state controls for flash logic scheme, lamp test, acknowledge, reset, and on/off. Contractor shall submit alarm list and engraving for approval. Alarm input wiring shall be grouped for ease of external wiring. Alarms for 12kV switchgear shall be pre-wired at the factory to the extent possible BATTERY SYSTEM A. The battery shall be vented type nickel cadmium with pocket plate electrode construction in accordance with IEC 623 and the following requirements. Fiber plate or sintered plate nickel cadmium batteries are not acceptable. Acceptable manufacturers are MTI Technologies (Division of Alpha) or Honda Denke or equal. Battery selected shall be capable of suitable high amperage discharge to clear circuit switcher (power transformer) and 12.47kV bus assuming 15 seconds to reach 1.14 volts per cell, and lower amperage suitable for station service discharge for 8 hours to an end voltage of 1.14 volts per cell. B. The battery container should be high impact transparent SAN for 100% clear viewing of the plates and electrolyte. Translucent cases are not acceptable. The electrolyte levels shall be clearly marked on all four sides. Required markings on each cell are: battery type, manufacturing, capacity, and date of manufacturer. Electrodes shall be nickel plated. Plate groups shall be bolted design with stainless steel hardware for minimum losses and best seismic tolerance. Welded electrodes are not acceptable. C. Vent caps shall be flame arresting flip-top type, which comply to requirements of UL924 section 39. D. Terminals shall be clearly identified for polarity. Intercell connecting straps shall be rigid nickel plated copper. E. Required Maintenance 1. Watering intervals shall not be less than 1.5 years at 68 degrees F. Batteries shall not require any special maintenance such as torquing terminals, replacing of electrolyte, or cleaning of connecting hardware during normal service life. Additionally, except where noted above, the maintenance required shall be limited to the requirements of IEEE The following accessories have been provided to enhance maintenance for maximum battery performance: a. Thermometer 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

12 b. Hydrometer c. Permanent Adhesive Cell Numbers d. Aronix Anticorrosive Terminal Grease F. Temperature Tolerance 1. The battery offered shall be capable of operating reliably at temperatures from -5 degrees F, to +122 degrees F, and for brief excursions to 140 degrees F. G. Battery Sizing 1. The battery shall be sized by the manufacturer in accordance with IEEE 1115 with an aging factor of 1.25, a design margin of 1.20, end point voltage of 1.10 volts per cell and minimum ambient temperature of 77 degrees Fahrenheit. Equipment Supplier shall submit calculations for sizing the minimum high rate nameplate capacity to be supplied. Battery shall be sized for full operations of each circuit breaker, and minimum backup power for 8 hours shall be provided. 2. IEEE 1115 calculations shall be submitted with approval documentation for sizing verification. Number of cells shall be provided by battery manufacturer and supplied in the attached Battery Data Sheet. H. Battery Mounting 1. The switchgear supplier shall coordinate the work with battery manufacturer and confirm it would fit in the space provided in design drawings. I. Battery Charger 1. The charger shall be silicon rectifier type of sufficient DC output to permit full recharge of the battery from an 80% depth of discharge within 8 hours, and to still supply the 12-amp continuous load. Each charger shall be sized for a minimum of 50 amps DC output and filtered to +/-1% rms of nominal voltage. The mode of operation shall be normally floating, with automatic charge control circuitry to electrically switch to high rate in the event of battery discharge or AC failure. The high rate charge shall be timed to allow automatic return to float mode without manual operation after 10 hours at the higher voltage level. The charge shall be convection cooled and capable of operating in temperatures from 26 to 104 degrees Fahrenheit. Charger shall be capable of meeting specification requirement up to altitudes of 1000 meters without derating. a. Voltage Regulation 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

13 The charger shall be regulated to provide +/- 0.5% voltage from 1% to 100% load and simultaneously. +/- 10% input voltage variation +/- 5% frequency variation Output voltage shall be +/-2 of nominal voltage. Both the float and high rate voltage levels shall be manually adjustable from 80% to 110% without opening the charger. b. Input Voltage Input voltage shall be 240 VAC, 1 phase, 60Hz with 45 KAIC input circuit breaker. c. Output Ratings Output DC voltage shall be 125 VDC nominal and capable of 135 VDC for equalizing. The output current rating shall be 50 amps DC and shall be current limited to not more than 110%. d. DC Filtering Charger shall be filtered to less than 1% of nominal output voltage rms in order to minimize battery maintenance. e. Current Regulation Current regulation shall be +/-2% with DC current limit adjustable from 20% to 110% of nominal nameplate rating. f. Protection The charger shall have as a minimum the following protection: (1) Reverse battery protection (2) AC side MOV for surge suppression (3) DC side RCL circuit for surge protection (4) Short circuit protection (5) Soft start for load protection (6) 3-pole Ac circuit breaker and 2-pole DC circuit breakers (45 KAIC Input, 5 KAIC output minimum). (7) Complete AC and DC isolation 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

14 (8) Wiring per Class 600V per NEC, NFPA#70. g. Testing Charger shall be tested in accordance with manufacturer s standard acceptance test. h. Spill Containment J. Quality Assurance Battery compartment shall be equipped with spill containment barriers and absorbent/neutralizing medium per UFC The manufacturer shall be certified to ISO K. Warranty 1. The battery manufacturer shall guarantee the product against manufacturing defects for a minimum period of 3 years with a full replacement guarantee and 17 years prorated warrantee thereafter. Charger shall be warranted against manufacturing defects for 1 year after installation or 18 months after shipment which ever counts first UTILITY METERING a. Testing and Documentation Testing and documentation shall be in accordance with Battery Data Sheet. b. Preparation for Shipment Batteries shall be packaged in accordance with the Battery Data Sheet. A. Where shown on drawings, provide separate barriered-off utility metering compartment structure on the incoming cable compartment, complete with hinged sealable door in conformance with PG&E and EUSERC standards. Bus work shall include provisions for mounting utility company furnished current transformers and potential transformers as required by the utility company. Provide service entrance label and provide necessary applicable service entrance features per NEC and local code requirements ENCLOSURES 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

15 A. The switchgear described in these specifications shall be NEMA 3R, weatherproof, with full main aisle construction for outdoor service. Each shipping group (if shipping splits required) shall be mounted upon an integral base frame with a weatherproof enclosure for assembly in the field into a complete metal-enclosed switchgear assembly with a weatherproof door provided on the backside of each vertical section. Full aisle-width and full height doors shall be provided on each end of the switchgear, with crash-bar and lockable door hardware. B. Each breaker or auxiliary compartment and each cable compartment of outdoor switchgear shall be provided with a minimum of one thermostatically controlled 250 watt output, 120V space heater. Power for space heaters shall be furnished from a control power transformer mounted in the switchgear NAMEPLATES A. Engraved nameplates, mounted on the face of the assembly, shall be furnished for all main and feeder circuits as indicated on the drawings. Nameplates shall be laminated plastic, black characters on white background, and secured with screws. Characters shall be 3/16-inch high, minimum. Furnish master nameplate for each switchgear lineup giving information in accordance with IEEE C Circuit nameplates shall be provided with circuit designations as shown on purchaser s single line diagrams. B. Control components mounted within the assembly, such as fuse blocks, relays, pushbuttons, switches, etc., shall be suitably marked for identification corresponding to appropriate designations on manufacturer s wiring diagrams FINISH A. All steel surfaces shall be chemically cleaned and given an iron phosphate corrosion resistant treatment providing a strong bond for paint adhesion. All parts shall be immersed in paint applying 0.7 to 0.8 mils of cathodic epoxy paint electrically bonded to all surfaces for maximum adhesion. The finish shall be cured in an oven at to insure maximum toughness and prolong service in severe environments. The coating shall have been tested for corrosion resistance of 1000 hours to salt spray. B. All exterior surfaces of the switchgear assembly shall be given final finish coats of ANSI 61 light gray air dried acrylic enamel light gray air dried acrylic enamel. Dry film thickness shall be a minimum of 1.5 mils ACCESSORIES A. The switchgear manufacturer shall furnish accessories for testing, inspection, maintenance, and operation, including: 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

16 1. One Maintenance tool for manually charging the breaker closing spring and manually opening the shutter 2. One Levering crank for moving the breaker between test and connected positions 3. One - Remote racking mechanism. 4. One Test jumper for electrically operating the breaker while out of its compartment 5. One Breaker lifting yoke used for attachment to breaker for lifting breaker on or off compartment rails, when applicable 6. One Set of rail extensions and rail clamps, when applicable 7. One Test cabinet for testing electrically operated breakers outside housing 8. One Dockable transport dolly for moving breaker about outside its compartment 9. Recommended spare parts list and estimated lead time for delivery 10. Provide a remote open/close circuit breaker operator and 50 RS232 cable, similar to mirrored bits tester, SEL-4388, manufactured by SEL, or approved equal BILLS OF MATERIAL A. The metal-clad switchgear auxiliary section for control and instrumentation shall include the following: 1. Three Line-to-line voltage transformers 2. One 5kVA single phase control power transformer B. The revenue metering section shall include: 1. Three Line-to-line voltage transformers 2. Three Current transformers, multi-ratio, with maximum ratio of 2,000 to 5, ANSI accuracy Class C400 C. The metal-clad switchgear main circuit breaker section for control of the main circuit breaker shall include the following: 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

17 1. One Drawout power circuit breaker rated 2000 amperes 2. Six Current transformers, multi-ratio, with maximum ratio of 2,000 to 5, ANSI accuracy Class C One Circuit breaker control switch with red and green LED indicating lights. 4. One Each Microprocessor-based three-phase and ground overcurrent relay, SEL 551C and SEL 351-7, with associated cabling and software 5. One SEL 2032 Communications processor with associated auxiliary cabling and software 6. Terminal blocks, heater, light, nameplate and other accessories 7. Two Ground lugs 8. SEL 2401 Satellite Clock with SEL power supply 9. Switchgear and substation annunciator. D. The metal-clad switchgear feeder breaker section requires two vertical sections. Each compartment shall include the following: 1. Two Drawout power circuit breakers rated 600 amperes 2. Twelve Current transformers, multi-ratio, maximum ratio 600 to 5, ANSI accuracy Class C Two Circuit breaker control switches with red and green LED indicating lights 4. Two Each Microprocessor-based three-phase and ground overcurrent relay, SEL 551C and SEL 351-7, or approved equal, manufactured by SEL, with associated cabling and software 5. Terminal blocks, heater, light and other accessories E. The station service section, with the following: 1. One 12.47kV to 120/240 station service transformer, 30kVA, with primary and secondary fuses 2. One 120/240 distribution panel, 32 pole 3. One 125V DC battery and charger 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

18 4. Ventilation fan, terminal blocks, and other accessories. PART 3 - EXECUTION 3.01 TESTING A. Shop and field tests specified in the cited and applicable ANSI standards shall be performed by a qualified independent testing agency in accordance with NEMA and NETA prior to acceptance FACTORY TESTING A. The following standard factory tests shall be performed on the circuit breaker element provided under this section. All tests shall be in accordance with the latest version of ANSI standards. 1. Alignment test with master cell to verify all interfaces and interchangeability 2. Circuit breakers operated over the range of minimum to maximum control voltage 3. Factory setting of contact gap 4. One-minute dielectric test per ANSI standards 5. Final inspections and quality checks B. The following production test shall be performed on each breaker housing: 1. Alignment test with master breaker to verify interfaces 2. One-minute dielectric test per ANSI standards on primary and secondary circuits 3. Operation of wiring, relays and other devices verified by an operational sequence test 4. Final inspection and quality check. C. Factory acceptance testing shall include protective relay testing. Relay manufacturer shall be on site to set and test logic functions. D. The manufacturer shall provide three (3) certified copies of factory test reports. 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

19 3.03 SHIPMENT A. Shipment shall be by road, with proper measures taken to protect the equipment and accessories during transport and possible temporary storage at site. B. Shipping papers shall include reference to Customers purchase order number and project number. C. Provide certificate of origin of manufacturing for purposes of licensing and registering trailer FIELD QUALITY CONTROL A. Provide the services of a qualified factory-trained manufacturer s representative to assist the City in installation and start-up of the equipment specified under this section for a period of two working days. The manufacturer s representative shall provide technical direction and assistance to the City in general assembly of the equipment, connections and adjustments, and testing of the assembly and components contained therein. B. The Manufacturer shall provide three (3) copies of the manufacturer s field start-up report MANUFACTURER S CERTIFICATION A. A qualified factory-trained manufacturer s representative shall certify to the City in writing that the equipment has been installed, adjusted and tested in accordance with PG&E requirements and the manufacturer s recommendations TRAINING A. The Manufacturer shall provide one training session for up to five (5) owner s representatives for eight (8) hours at a jobsite location determined by the owner. Training on protective relays shall be done by relay manufacturer. B. A manufacturer s qualified representative shall conduct the training session. Training program shall include instructions on the assembly, circuit breaker, protective devices, and other major components FIELD ADJUSTMENTS A. The relays shall be set in the field by the relay manufacturer representative, in accordance with settings designated by the relay representative or the City. B. Electronic copies of all files and settings shall be transmitted to the City. 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE

20 3.08 FIELD TESTS RESULTS A. Manufacturer shall provide field supervisor to oversee material setup, bus connections, tightening of all terminations, circuit breaker relay adjustments, and testing. B. All devices and control functions shall be tested in the field. Tests shall be conducted by the Contractor and witnessed by the City WARRANTY A. A five-year warranty shall be included. B. Manufacturer shall state at time of bidding the location of service center where any necessary work will be performed. C. Warranty shall cover all components of portable metal-clad switchgear for the entire warranty period. Manufacturer shall not pass along component warranties and under no circumstance shall Owner be required to contact the manufacturer of an individual component. END OF SECTION 11/26/ BAY DIVISION PIPELINES RELIABILITY UPGRADE