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City And County Of San Francisco Bid Proposal No. ITSF10000337/CD Office Of Contract Administration Attachment C Purchasing Division

230KV HIGH VOLTAGE CIRCUIT BREAKERS (HVCB)

TECHNICAL SPECIFICATIONS FOR 230KV HIGH VOLTAGE CIRCUIT BREAKERS (HVCB)

ITSF10000337/CD Page 1 of 20 Attachment C-10/01/09

1.01 SCOPE OF WORK

Furnish 230kV High Voltage Circuit Breakers (HVCBs) as specified in accordance to Specifications, Attachments A, B, C, D, and E, and as shown on Drawing SK-E-350, Sheets 1 through 4, Elementary Diagram Typical Circuit Breaker 52, which are included in Appendix 1. The successful bidder will be responsible for the complete fabrication of all the HVCBs control panels and control components as specified within these specifications and as shown on the drawings.

1.02 QUALITY ASSURANCE

All materials used shall be new, of high grade, and with properties best suited to the particular application. It is the manufacturers responsibility to be knowledgeable and employ designs and manufacturing practices that incorporate the latest revisions of applicable industry standards where and when applicable.

1.03 SUBMITTAL

All submittals shall conform to formats, conditions, and requirements as specified in Attachment D Specifications and Requirements for Submittals.

A. Certificate of Compliance or complete list of all deviations from the drawings and specifications.

B. Submit installation and assembly drawings complete with structural details of the HVCB support frame and anchorage showing the manufacturers dimensions, weights, center of gravity, and foundation loadings. Indicate foundation reactions produced by equipment operation, and by wind and seismic forces.

C. Submit electrical control schematic, wiring diagrams and interconnection diagrams showing wiring, control devices, interlocks, and terminal block interface points. Label each terminal and wire, showing which control or electrical power wire connects to which terminal.

D. Submit a SF6 gas schematic showing the manifold piping system, fill and monitoring points, and isolation and disconnect fittings.





E. Submit manufacturers installation instructions and documentation requirements associated with the manufacturers warranty.

F. Submit Operation & Maintenance Manual and spare parts list with descriptive literature, including pole replacement and bushing replacement procedures, which indicates materials of construction, weights, principle dimensions and other important details. See Attachment E Specifications and Requirements for Operation & Maintenance Manuals.

G. Provide a detailed testing procedure for tests to be performed in the factory prior to shipment. Submit for approval at least four (4) weeks before the first proposed test date.

H. Submit Delivery Schedule, providing task duration in weeks for each milestone.

I. Submit Training Plan for instruction of the operating personnel. Training to occur after installation and acceptance of the first delivery of HVCBs, and shall consist of one set of instructions presented during two (2) 4 to 6-hr training sessions to accommodate operating personnel from different work shifts. Refer to Attachment E - Specifications and Requirements for Operation & Maintenance Manuals, and the Manufacturers Representatives Technical Support Section of this document.

J. Other Drawings/Information:

1. HVCB Nameplate drawing

2. Pole unit assembly drawing

3. Bushing outline drawing, including terminal fitting detail

4. Mechanism compartment and control compartment detail drawings

5. Schematic and wiring diagrams showing complete auxiliary equipment wiring, including customer connection points

6. Current transformer nameplate drawings (may be supplied separately or may be shown on the HVCB nameplate drawing)





7. Current transformer information, including resistance per winding turn, the resistance of each lead, and curves showing ratio correction and secondary excitation for relaying

8. SF6 gas system temperature compensated density monitor pressure rising and falling setpoints

9. Instruction manual, covering receiving, handling, installation, operation, and maintenance of the HVCB and all accessories. The instruction manual shall also include the following:

a. Maximum and normal values of HVCB contact resistance

b. Complete lists of renewal parts for the HVCB and all accessories, including identification of each part by name and part number. The parts lists and drawings shall relate specifically to the equipment covered by this specification; typical lists and drawings will not be acceptable.

c. Pressure vessel certification reports.

d. Normal values of HVCB opening and closing times, with associated tolerances, and travel recorder chart.

1.04 REFERENCES

The publications listed below form a part of this specification to the extent referenced.

A. Institute of Electrical and Electronic Engineering

1. EEE 100 - IEEE Standard Dictionary of Electrical and Electronics Terms

2. IEEE C37.04 - Standard Rating Structure for AC High-Voltage Circuit Breakers Rated on a symmetrical Current Basis

3. IEEE 693 - Recommended Practice for Seismic Design of Substations

4. IEEE C2 - National Electrical Safety Code





B. National Fire Protection Association

1. NFPA 70 National Electric Code

C. American Society of Mechanical Engineers

1. ASME BPVC Boiler and Pressure Vessel Code

1.05 ENVIRONMENTAL REQUIRMENTS FOR HIGH VOLTAGE CIRCUIT BREAKERS

A. RFI/EMI Protection

The equipment shall be wired in a manner that shall provide protection from RFI/EMI noise. Cabinets shall have proper grounding for the shields and connectors to a single point for the purpose of eliminating the RFI/EMI noise.

B. All the necessary equipment to comply with the following standards shall be provided:

1. Electromagnetic Compatibility ANSI/IEEE C63.12-1987.

2. Federal Communications Commission (FCC) Radiation Limits, Types 1 and 2.

C. Standard Environmental Requirements: Unless otherwise noted, design equipment for continuous operation in these environments:

1. Ambient Temperature: -30 deg. C to + 40 deg. C

2. Rain/Sleet/Snow

3. Windblown Dust: 50ug/m3 (Maximum 24-hour average concentration)

Electromagnetic Radiation 500V (27Hz-960Hz)

4. NEC classification: Non-hazardous, (NEMA 3S)

5. Altitude (Maximum): 3,300 feet above sea level





6. Wind Loading: 80 mph sustained wind speed

7. Seismic Performance Level (Refer to IEEE 693): Moderate

D. Wind and Seismic Requirements

Except as required otherwise in this document, the wind and seismic withstand capability of this HVCB shall be in complete accordance with the latest applicable industry codes, and ANSI, ASTM, IEEE, and NEMA standards in effect on the date of invitation to bid. These documents shall include, but shall not necessarily be limited to, the following:

1. IEEE 693, Recommended Practices for Seismic Design of Substations

2. AISC, Manual of Steel Construction

3. Withstand Capability

The HVCB shall be capable of withstanding a sustained wind speed as specified in Environment Requirements for High Voltage Circuit Breakers, and the effects of a seismic event represented by the dynamic characteristics specified below. The wind and the seismic event need not be considered as occurring simultaneously. The wind and seismic loadings shall be in addition to rated line pull and any forces generated by normal equipment operation. The HVCB shall be capable of remaining operational following the wind or the seismic event without need for immediate assistance.

4. Wind and Seismic Analyses

The supplier shall conduct wind and seismic analyses that include application of maximum loadings in all critical directions corresponding to predetermined probable modes of failure.





5. Dynamic Analysis

For the dynamic seismic analysis, the seismic event shall be represented by dynamic characteristics, with the specified maximum horizontal and vertical ground accelerations, using the response spectra in the pertinent section of IEEE 693, which corresponds to the seismic performance level specified in Environmental Requirements for High Voltage Circuit Breakers. The analysis shall consider the essential natural frequencies and damping of the equipment.

6. Maximum Stresses

Stresses determined from the wind and seismic analyses shall not exceed 133-percent of allowable code stresses for ductile materials or 50-percent of ultimate strength for bushings and insulators. Equipment drawings shall indicate the maximum foundation reactions generated from the analyses.

7. Equivalent Design Analyses

Wind and seismic analyses completed previously on the equipment design will be acceptable, provided that the wind and seismic conditions used for the analyses are equal to or more stringent than the conditions specified above, and that all information pertaining to the equipment is similar.

2.01 GENERAL TECHNICAL SPECIFICATION

A. The High Voltage Circuit Breaker (HVCB) shall be an outdoor type, 60 Hz, and shall be sulfur hexafluoride (SF6)-type with single-break puffer or selfblast-puffer interrupters, outdoor, three (3) single poles, 60-hertz, dead tank, with an integral supporting frame, common operating mechanism for all three poles, and a common SF6 gas system. No other gas shall be mixed with the SF6. The rated interrupting time shall not exceed three (3) cycles (50-mseconds).

B. Energized components shall be supported by a polymer composite type insulating column, with silicon based weathersheds, and insulated with SF6. A method shall be provided for filling and monitoring the insulating medium. The insulating column finish shall be ANSI #70 light gray, or the Suppliers standard equivalent





finish color. The control cabinet and any other compartment(s) shall be ANSI #70 light gray, or unpainted if galvanized or constructed of either marine grade aluminum or stainless steel.

C. The HVCB shall be comprised of three single-piece aluminum interrupter chambers (tanks), each qualified to meet the requirements of ASME Pressure Vessel Certification. The nameplate shall also bear a registered stamp when specifically instructed in the accompanying procurement documentation. Aluminum tanks are to be left in their natural finish (unpainted).

D. Primary terminals shall be a straight aluminum flat pad with NEMA standard 4-hole drilling. The ground terminals shall either be an integral part of the base frame and be drilled and tapped for a 2-hole NEMA connection, or a drilled 2-hole pad.

E. Provide lifting gussets with eyes to accommodate handling and installation.

2.02 DESIGN AND MANUFACTURING REQUIREMENTS

A. Operating Mechanism

1. Operating Mechanism

The HVCB shall be furnished with a common operating mechanism for all three poles, and shall be suitable for three-pole opening and closing operations. The operating mechanism and interpole linkage shall be unimpeded by the formation of ice.

2. Type of Operating Mechanism

The operating mechanism shall be one of the following stored-energy types: spring, hydraulic, or spring-hydraulic. The mechanism shall be trip-free and anti-pumping.

3. Operating Mechanism Compartment

Provide either a separate compartment or an area within a common compartment to house the operating mechanism, including its associated charging motor or pump. If applicable, the supplier shall furnish all





electrical and mechanical connections between the operating mechanism compartment and the control compartment. Access to the compartment shall be through a hinged and gasketed door, with a single rotating handle and multiple-point latching system.

B. Control Compartment

1. Provide a NEMA 3S control compartment with door gaskets, screened and filtered vents (may be combined with mechanism compartment) to house control equipment and terminal blocks for terminating all electrical wiring. The City will bring all external auxiliary power and control wiring in conduit or feed-through wireway to the control compartment. The compartment shall be furnished with a removable bottom plate for drilling, punching, or cutting in the field. The compartment door shall be vertically hinged, removable, and operated by a single handle through a multiple-point latching system. Each door shall be equipped with wind-stop hardware to secure the door while open. Door hardware shall be stainless steel. The vent filters shall be replaceable and readily available from domestic sources.

2. The controls, terminal blocks, and other devices requiring access for operation and maintenance shall be mounted in the compartment at a height less than 78-inches above foundation level. The bottom of the compartment shall be not less than 2-feet above foundation level. The compartment shall be furnished with at least two space heaters. Each heater shall be supplied with a separate circuit isolation device. Common overcurrent protection shall be supplied for the space heater circuits. Each of the heater circuits shall be controlled by a thermostat. The thermostats shall be adjustable, and the adjustment provisions shall include clear indication of at least three specific temperatures on the adjustment range. Heating elements shall be rated for 240VAC input, however, they are to be connected for operation at 120VAC.

The compartment shall be furnished with one 120VAC, 20A, duplex GFCI convenience receptacle.





C. Auxiliary Power and Control Wiring

Auxiliary power and control wiring shall consist of stranded copper wire, 600V class, with insulation (or outer covering over the insulation) that is flame-retardant, heat-resistant, oil-resistant, and moisture-resistant. Insulation shall be a thermoset material. Wiring runs outside of weatherproof compartments shall be in rigid steel or flexible, ultraviolet-resistant, weatherproof conduit. All wire terminations shall be made on suitable terminal blocks. No wires shall be spliced. Both ends of all wires and all terminal block points shall be clearly marked with the designation shown on the suppliers wiring diagrams. All City interface terminal blocks shall be one-piece molded type, rated 600V, 30A, equipped with #1032 washer-head binder screws, and suitable for wire sizes #18 through #10 AWG. All wires terminated on these blocks shall have non-insulated ring-type terminals.

D. HVCB Control Switch

1. A HVCB control switch (rotary type) shall be furnished in the control compartment, providing three-pole operation, and is intended to be used for maintenance purposes only, with associated red and green LED-type indicating lights.

2. Trip and close cycles shall be completed for momentary operation of the control switch. Provisions shall be made for the application of DC positive (from the control house) to enable the control switch to trip and close the HVCB. Spare control switch contacts shall be wired to the specified positions on the control cable terminal block for the Citys use.

E. Indicating lights

1. Provide two red lights, each wired in series with one of the two independent trip coils and a separate Form-A breaker auxiliary contact. The red indicating lights shall illuminate when the HVCBs main contacts are in the closed position and their associated trip coils are operational.

2. One green light wired in series with a Form-B breaker auxiliary contact. The green indicating light shall illuminate when the HVCBs main contacts are in the open position.





3. One amber light wired in series with a Form-A contact from the Local/Remote Switch (Device 43). The amber indicating light shall illuminate when Device 43 is in the Local switch position. This indicating light shall be accompanied by a nameplate to remind the operating personnel that the HVCB is in an abnormal state.

4. Indicating lights may be mounted separately and above the control switch or integral to the switch (ElectroSwitch Series 24P). Indicating lights mounted separately shall employ GE type ET-16 Bases. Either method shall employ LED indicating lamps.

F. Auxiliary Power and Control Voltages

1. The trip circuit, close circuit, and the operating mechanisms spring charging motor, if applicable, shall be DC. The operating mechanisms compressor or pump, if applicable, and heaters shall be AC. The HVCB shall be equipped for operation with the AC or DC power supply voltages specified in the attached schematic drawings. City will provide AC and DC power sources to the HVCB.

2. Provide separate molded case circuit breakers for the charging motor, convenience receptacle, tank heaters, if applicable, and compartment heater circuits. Two unfused, 30A minimum, 250V, double-pole, single-throw, knifeblade-type, gang-operated disconnect switches shall be furnished for isolating the two DC control power circuits (see Local/Remote Control Switch) from the control power source during maintenance. The switches must provide a means of preventing the electrical operation of the HVCB by any trip or close input.

G. Included Equipment

The operating mechanism including inter-pole linkages shall be factory installed as completely as possible. The supplier shall furnish all materials for connections that must be installed in the field.





H. Dual Trip Coils

1. Each operating mechanism shall be furnished with two separate and electrically independent DC trip coils. The two coils shall be arranged so that energization of either coil or both coils simultaneously, or energization of either coil with the other coil shorted, will produce proper tripping. The primary trip coil and the close circuit shall be included in one control circuit. The secondary trip coil shall be included in a separate control circuit. The HVCB local control switch shall only operate the primary trip coil for trip operations.

2. Trip coils shall be rated at 125VDC and shall operate correctly for a range of 70-140VDC, unless specified otherwise in Equipment Specific section.

I. Closing Relay

The HVCB control circuitry shall include a closing relay (Device 52X) which is to be used to seal in the anti pump relay (Device 52Y), and initiate the breaker closing operation.

J. Pole Operation

HVCB pole operating mechanisms shall be group-operated via mechanical interconnecting linkages.

K. SF6 Gas Monitoring System

1. Provide a temperature compensated SF6 gas density monitoring system providing a minimum of two (2) alarm conditions. The system may either be common for all three poles or separate and isolated for each pole.

2. Provide alarm indication associated with an ALARM (abnormal) gas pressure condition wherein the HVCB is fully functional and safe to operate. Provide a second alarm indication associated with a LOW gas pressure condition, which initiates the block closing feature, and provisions for auto-tripping.





3. Provide a second alarm indication associated with a LOW-LOW gas pressure condition wherein the HVCB is partially functional and safe to operate only under limited conditions. This alarm shall also initiate the block closing feature, and auto-trip and lock-out the operating mechanism.

4. Output contacts associated with the LOW alarm conditions shall be wired to allow the City the option of having the interrupting contacts remain in their current state or trip (OPEN) and lockout.

5. Provide an adjustable (0-30 minutes) time delay for the ALARM condition to compensate for initial solar heating on the monitoring system. Care should be taken when locating the temperature sensor to shield it from direct sunlight.

6. The monitoring system shall also provide visual indication of gas pressure in terms of pounds per square inch.

L. Low SF6-Pressure Operation

The HVCB shall have a minimum dielectric strength of 1.3 times rated voltage, both line-to-ground and across the open contacts, at one atmosphere of SF6 pressure (zero psi gauge) on any pole.

M. Alarm and Remote I/O Functional Requirements

1. Remote Indication and Control

The HVCB shall be equipped with all the necessary terminal blocks, auxiliary switches, auxiliary relays, coils, contacts, and other auxiliary equipment connected to the control system, to permit remote control and indication to Citys control equipment.

2. Alarm Contacts

The HVCB shall have alarm contacts wired to the alarm I/O module for indication of failure of components critical to HVCB operation. Contacts shall be isolated, normally open, dry, ungrounded contacts that change state upon alarm.





3. I/O Module

The HVCB manufacturer shall also provide a remote I/O module mounted within the control compartment. The remote I/O module shall be Schweitzer Engineering Laboratories, Inc., Model 2505 (P/N 2505324XX). Power supply and I/O voltage to be 125VDC, unless otherwise noted in the Equipment Specific section. The fiber optic interface shall consist of ST connectors for multimode cable.

4. Remote Interface

In addition to remote I/O functions there are also status and control points which interface with devices located within the substations control enclosure. The interface between these status and control points and the HVCB control compartment is copper hardwired. This interface shall be made via terminal block TB1 in the HVCB control compartment.

5. Interface Terminal Blocks

The Citys control cables shall terminate on independent, 12-position terminal blocks. These terminal blocks shall be furnished by the Supplier in the control compartment for the exclusive use of the City. The purpose or function of each connection shall be identified. The control, alarm, and auxiliary terminal blocks shall be wired per the attached schematic drawings for a 3-pole group-operated HVCB.

2.03 BUSHINGS AND CURRENT TRANSFORMERS

A. Bushing Type and Color

1. Bushing housings shall be light gray polymer.

2. Bushings shall have a minimum flange seat to lower end length strike distance per the requirements stated below for each voltage class. The bushing BIL rating shall meet or exceed the HVCBs BIL rating.

a. 230kV: 62-inches





3. Minimum leakage (creepage) distance over the weathersheds per the requirements stated below for each voltage class.

a. 230kV: 170-inches

4. Polymer bushings shall be supplied with line end voltage grading rings for HVCBs rated at 230kV and above.

B. Bushing Current Transformers (BCT)

1. Bushing Current Transformers (BCT) supplied shall be typically 5-tap, multi-ratio, with full-winding ratios and accuracy as specified in Appendix A. BCT shall be relay class CTs with an accuracy class of C800, unless noted otherwise in Appendix A.

2. High accuracy BCT shall be single ratio, with an extended accuracy range. This capability shall be noted on the BCT nameplate. Some applications may require current transformers with specific minimum secondary voltages per turn at a maximum resistance per turn burden level. When required, these specific requirements are also indicated in Appendix A.

C. BCT Secondary Leads

All BCT secondary leads shall be wired to 6-point short-circuiting type terminal blocks located on a side wall of the control compartment. A separate terminal block, complete with shorting screws, shall be furnished for each BCT. BCT secondary leads shall be #10 AWG single conductor stranded copper 600V insulated cables.

D. Thermal Rating Factor (BCT)

All BCTs shall have a minimum thermal rating factor of 2.0.

2.04 ACCESSORIES

A. Auxiliary Switch Contacts

Auxiliary switch contacts will be used for indicating, interlocking, and alarming, and shall have current carrying capa sufficient for the operation of the associated





HVCB and indicating lights, as well as supervisory interposing relays. Form-A contacts shall follow the operating position of the HVCBs main contacts. If the HVCB is closed into a fault and trips open, the Form-B contacts shall remain open for a minimum of 0.025 seconds. In addition to all other auxiliary switch contacts used in the HVCBs control circuitry, each operating mechanism shall be furnished with 20 spare auxiliary switch contacts (10 Form-A and 10 Form-B) wired to a separate terminal block in the control compartment, for the exclusive use of the City.

B. Operation Counter

Each operating mechanism shall have an operation counter arranged to count opening operations.

C. Mechanical Position Indicator

Each operating mechanism shall have a visual mechanical position indicator effectively connected to the operating mechanism. Green shall indicate open, and red shall indicate closed.

D. Line Terminals

The HVCB shall have 4-inch by 4-inch flat pad line terminals with NEMA standard 4-hole drilling. Terminals shall be either aluminum, tin-plated bronze, or copper. Bronze and copper terminals shall have a minimum plating thickness of 0.001-inch. A NEMA 6-hole aluminum terminal pad is also acceptable.

E. Latch Check Switch

Each operating mechanism shall have a latch check switch or hydraulic latch valve, if applicable.

F. Compressor or Pump Motor Meter

Each operating mechanism shall have a spring charging or pump motor running time meter, as applicable.

G. Spring Discharged Limit Switch





Each spring type operating mechanism, if applicable, shall be equipped with a limit or proximity switch providing a output contact to the HVCB control scheme.

H. Travel Recorder

Each HVCB pole shall be furnished with provisions for installation of a linear motion travel recorder, with #10-32 threaded connection.

I. Local/Remote Switch

Provide a two-position, manually operated, rotary type control switch (Device 43) in the control compartment for locally enabling and disabling remote output functions of the remote I/O module. In addition to interface wiring associated with the remote output functions, a NO and NC contact shall be wired to terminal blocks for the Citys issue.

2.05 PAINT AND COLOR

The finish on painted metal parts shall be light gray. Supplier shall furnish one quart of touch-up paint per HVCB. Cast aluminum, aluminum, and stainless steel components shall be left in their natural finish.

2.06 EXTERNAL FASTENERS AND HARDWARE

All external fasteners and hardware (such as bolts, screws, hinges, and handles) shall be stainless steel.

2.07 CAPACITANCE CURRENT SWITCHING

The HVCB shall be capable of switching capacitive currents as defined for a Definite-Purpose Circuit Breaker as identified by ANSI C57.06. Additionally, the breaker shall rated to switch overhead line charging current equivalent to ratings listed for a Definite-Purpose Circuit Breaker as identified by ANSI C57.06. The rated transient overvoltage factor shall not exceed 2.0.

2.08 OUT-OF-PHASE SWITCHING

The HVCB shall be suitable for switching under out-of-phase conditions with an opening angle of 180-degrees (full phase opposition) and a closing angle of 90-degrees; out-of-





phase switching current rating shall be 25-percent of the rated symmetrical interrupting capability.

2.09 FAULT CIRCUIT INTERRUPTING CAPA

The HVCB shall be capable of interrupting a minimum of 40,000 amp rms symmetrical fault current.

2.10 SHORT LINE FAULT INTERRUPTION

The HVCB shall be capable of interrupting faults under short line conditions up to 90% of the interrupting rating of the HVCB, without the application of line-to-ground capacitance.

2.11 SF6 GAS

The HVCB is to be shipped with a minimal positive pressure of SF6 gas. The Supplier shall provide sufficient SF6 gas in an appropriate cylinder to bring the gas volume and pressure up to acceptable operating limits once the breaker is installed in the field. SF6 gas required for field installation by the Citys Construction Contractor shall be furnished in bottles using standard US fittings and shall comply with the requirements as listed below. Gas sampling and filling connections on the HVCB shall be furnished with standard AN fittings, male, with 37-degree flare, or an approved equivalent. A SF6 fill hose and regulator shall be supplied with each lot of three (3) HVCB units, or fraction thereof shipped to a specific location.

A. General

The material supplied under this specification shall be a high-purity, low-moisture grade sulfur hexafluoride.

B. Requirements

Water Content: Moisture content shall not exceed limits established by the HVCB Manufacturer and approved by the City.

C. Other Impurity Limits





1. Hydrolyzable Fluorides: Hydrolyzable fluorides, expressed as HF acidity, shall not exceed 0.3 parts per million.

2. Molecular Nitrogen: Air, expressed as N2 or molecular nitrogen, shall not exceed 0.04 percent by weight.

3. Carbon Tetrafluoride: Carbon tetrafluoride shall not exceed 0.04 percent by weight.

4. Assay: Total SF6 assay shall not be less than 99.9 percent by weight.

5. Toxicity: The supplier shall certify that the material supplied is at least as non-toxic as those substances in Underwriters Laboratories toxi classification Group VI. SF6 gas is not inherently toxic and shall present no dangers other than suffocation or high pressurization.

D. Containers

The SF6 shall be shipped in Size 1A steel cylinders as a liquefied gas. The net weight of contents shall be 115-pounds per cylinder.

E. Preparation for Shipment

Supplier shall pack all cylinders of sulfur hexafluoride provided under this specification in accordance with commercial standards as to protect them from damage in transit.

F. Marking

Each shipping unit shall be marked plainly with the name of the consignee, shipping destination, purchase order number, markings required by law, and such other marking as requested by the company. A complete packing list shall be securely attached to the outside of each shipping unit.

G. Insurance

The supplier shall obtain insurance on the value of all cylinders and product shipped.





H. Shipping Charges

The Suppliers quoted prices shall include charges for the shipment of the cylinders of sulfur hexafluoride to the Citys specified destination.

3.02 MANUFACTURER'S REPRESENTATIVES TECHNICAL SUPPORT/TRAINING

A. The Suppliers Field Engineer(s) shall be present and provide supervision services of field installation which is to be performed by the Citys Construction Contractor of all parts detached for shipment, and for complete pre-energization inspection of the equipment. The field engineer(s) shall have a thorough working knowledge of complete HVCB, including all internal and external components. The Suppliers Field Engineer(s) shall furnish supervision for field installation as specified. Supervision services shall be for a period of three (3) eight-hour days during the installation of one HVCB supplied at the substation location. The Supplier shall be responsible for all costs associated with travel and accommodation for their Field Engineer(s) during this three-day period.

B. Once the HVCB has been placed in service, the Supplier shall provide the services of their Field Engineer to instruct the Citys Operations and Maintenance Personnel in the proper performance of their duties as they pertain to the HVCB. The Supplier shall provide these services for a period of two (2) eight-hour days. The Supplier shall provide these services within three (3) weeks of the unit being placed in service. These services are to be performed at the HVCB installation site.

C. It will be the responsibility of the Contractor to pay all their travel and lodging expenses related to these required field services.

3.03 FACTORY TESTING

A. Prior to shipment, each assembled HVCB shall be subjected to routine factory production test procedures as outlined by IEEE C37.09, and the specific requirements within this specification.

1. The Supplier shall provide all labor, equipment, controls, materials, and electrical power required to perform the testing.





2. The City Representative shall witness and document the successful completion of the factory testing. If the City Representative is not available for the scheduled shop testing, the Supplier shall retain an independent Testing and Inspection Consultant firm acceptable to the City. Certified test reports with the Engineer's stamp or Testing and Inspection firm's stamp shall be furnished prior to shipping the HVCB.

B. The Supplier shall notify the City Representative thirty (30) days prior to tests and shall schedule tests within a maximum of two (2) separate periods. In the event of a test failure, the City shall decide for the Supplier to either pay the costs for any additional trips by the City Representative to the Supplier manufacturing facility or the cost to retain an independent Testing and Inspection Consultant firm acceptable to the City, to witness and document the successful completion of all required factory testing.

C. The Supplier shall provide test procedures for review, at least thirty (30) days prior to the first test period, so that all operational and performance requirements can be tested and verified in the Suppliers manufacturing facility.

D. The Supplier shall pay, arrange, and schedule for the City Representative to be present for the shop testing at the manufacturers factory for travel over 125 miles radius from Moccasin, CA. Bid price shall include airfare, local transportation, meals, and lodging for the City representative. Meals and lodging rates shall comply with the current Federal Rates for the Continental USA. The rates are available from the following website:

http://www.gsa.gov, then click on per diem rates.

***END OF ATTACHMENT***

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