Capacitor Bid Package_FINAL 09-04-2025.pdf

NOTICE INVITING BIDS

Notice is hereby given that the City Council of the City of Colton has authorized the City Clerk to advertise sealed bids for furnishing supplies, services and/or equipment described below. Electronic submission of Bids relating to this Notice Inviting Bids are to be received by 2:00 PM PST, September 25th.

Bid security is waived. The bid amount shall include all taxes, freight and/or handling charges and all other costs to be paid by the City.

Bids shall be submitted on contract document forms to be obtained at the Electric Department of the City of Colton for a fee of -0-. Contract documents will consist of the herein Notice Inviting Bids, Bid Sheet, Bid Specifications and Form of Agreement as prepared and required by the City of Colton. Interested Firms shall contact Marco Bautista, City of Colton Electric Department, by email or phone (preferably email) at 909-370-5567 or mbautista@coltonca.gov for electronic copy of the bid.

Description of supplies, services and/or equipment is as follows:

1200 kVAR Pole-Mounted Capacitor Banks for the Electric Utility Department

BID INSTRUCTIONS

1. PREPARTION OF BIDS:

A. All information requested shall be entered in the appropriate space on the form. Failure to do so may disqualify your offer.

B. All information shall be entered in ink or typewritten. Mistakes may be crossed out and corrections inserted before submission of your bid.

Corrections shall be initialed in ink by the person signing the bid. Corrections and modifications after closing time specified will not be accepted. Any questions regarding this bid should be directed to Marco Bautista, Electrical System Planning Engineer, by email at mbautista@coltonca.gov or at by telephone at (909) 370-5567, at least seven (7) calendar days prior to bid opening.

C. Unit prices, sales tax and total amount will be listed.

D. Bids must be received at the designated email address on or before the date and time specified. Bids received thereafter shall be returned unopened. No telephone, telegraphic, facsimile, or bids postmarked prior to but received later than opening time indicated herein will be considered.

Submit bids electronically.

ELECTRONIC SUBMISSION OF BIDS RELATED TO

THIS NOTICE INVITING BIDS ARE TO BE RECEIVED

BY SEPTEMBER 25, 2025, BY 2:00 P.M.:

Marco Bautista Electrical System Planning Engineer mbautista@coltonca.gov

BID FOR 1200 kVAR POLE-MOUNTED CAPACITOR BANKS

DUE: 9/25/25

TIME: 2:00 P.M.

E. This bid may not be withdrawn or altered within 90 days after the date set for receiving the proposals.

2. AWARD:

A. In submitting a bid to a public purchasing body, the bidder offers and agrees that if the bid is accepted, it will assign to the purchasing body all rights, title, and interest in and to all causes of action it may have under Section 4 of the Clayton Act (U.S.C. Sec. 15) or under the Cartwright Act (Chapter 2, commencing with Section 16700, of Part 2 of Division 7 of the Business and Professions Code), arising from purchases of goods, materials, or services by the bidder for sale to the purchasing body pursuant to the bid. Such assignment shall be made and become effective at the time the purchasing body tenders final payment to the bidder.

B. The City of Colton reserves the right; (1) to reject any or all bids; (2) to accept the bids that are in the best interest of the City.

C. In the event of a tie bid, the City Council may accept the one it chooses or accept the lowest bid made by negotiations with the tie bidders at the time of award.

D. Form of Agreement will be a City of Colton Purchase Order.

CITY OF COLTON ELECTRIC DEPARTMENT PROCUREMENT

SPECIFICATION

1200 kVAR POLE-MOUNTED CAPACITOR BANK

1. GENERAL

This specification covers the design, manufacturing, testing, and delivery of a 1200 kVAR pole-mounted capacitor bank for use on the City of Colton’s electric distribution system. The capacitor bank shall be suitable for three-phase delta operation, pole-mounted installation, and shall be configured switched control based on future operational needs.

2. SYSTEM PARAMETERS

- Nominal System Voltage: 12.47 kV (phase-to-phase)

- Configuration: Three-phase delta (ungrounded)

- Available fault current: 10,000 A

- Frequency: 60 Hz

- Installation Type: Overhead pole-mounted

- Neutral Availability: None

3. CAPACITOR BANK CONFIGURATION

- Total Bank Rating: 1200 kVAR

- Individual Phase Units: 3 × 400 kVAR (or equivalent distribution)

- Connection Type: Delta

- Units per Phase: One or multiple as necessary to meet rating

- Rated Voltage of Capacitor Units: Minimum 13.8 kV

- Design Margin: 125% rated voltage withstand capability, 135% of nameplate kVAR, including 60 Hz and harmonic currents.

4. CAPACITOR UNIT SPECIFICATIONS

- Dielectric: Non-PCB, all-film, low dielectric loss (0.07 watt/ kVAR)

- Enclosure: NEMA 3R rated minimum, corrosion-resistant aluminum or grade 409 stainless steel.

- Discharge Resistors: Internal, capable of reducing terminal voltage to <50V within 5 minutes.

- The capability of being operated at ambient temperatures from -40 to +46 degrees C.

- The capability of being energized at -40 degrees C internal capacitor temperature.

- Nameplate: Each Capacitor unit shall have a nameplate containing unit ratings, dielectric fluid, manufacture, serial number, and other data required of applicable standards.

- Terminals: Stainless steel or tinned copper, suitable for compression lugs

- Color and Coating: Light gray color. The coating system shall meet the requirements of ANSI C57.12.31 - Pole Mounted Equipment Standard and ANSI C57.12.29 Approved manufacturers include Eaton, Copper Power Systems, ABB and equal with prior approval.

5. PROTECTION

- Bushings: The capacitor unit shall have bushings rated at 95kV BIL. Each bushing shall have a minimum creepage distance of 14.96 inches and a minimum strike distance of 6.25 inches.

The capacitor units shall be supplied with two bushings that provide proper clearances for rated KV BIL and rated voltage.

-Fusing:

- Externally mounted current-limiting fuses (per phase)

- Easily replaceable and field-identifiable

- Surge Protection: MOV-type lightning arresters for each phase

- Grounding: Single-point ground lug.

- 9KV arrestors

- Junction box

6. SWITCHING AND CONTROL (if applicable)

- Control Type: Automatic switched.

- Switch Type: Vacuum 12kV, 200A, pole-mounted, exceed 50000 mechanical operations at minimum. Each vacuum switch shall have a stainless-steel nameplate containing data required by applicable standards. The vacuum switch control voltage shall be 120 VAC, 60 Hz.

-Bank should have an operational LED on the switching control box to show the status of the capacitor bank. The LED should be red/green.

- 1.5KVA minimum size control power transformer shall be supplied and mounted to operate the vacuum switches and capacitor controller.

- Single pole vacuum switches shall be supplied with each bank and work with a 120V close/open signal. Vacuum switches shall be rated:

- 15.5kv RMS (LL)

- 200A capacitive current switching capability

- 125kV BIL

- 6kA symmetrical fault making current

- 15kA asymmetrical fault making current

- 12kA short time (symmetrical) withstand current (1.0 sec)

- 12kA transient peak high frequency

The vacuum switch bushing shall be either of:

- Wet process porcelain bushings with an 11” (95kV BIL) creep distance designed for low radio interference.

- Cycloaliphatic epoxy bushings rated at a minimum 95kV BIL.

- The bushing terminals shall be capable of accepting aluminum or copper conductors up to size 2/0.

- Line post current sensors: Line post current sensors shall be used to detect current in a phase conductor of a circuit and transmit a proportional signal to the controller module.

The sensor shall be rated at 14.4 kV, nominal voltage and shall be designed to be virtually unaffected by conductor material or size, temperature, armor rod, adjacent phases, line angle, or insulator contamination. The sensor shall be capable of withstanding high current, voltage transients, and switching surges.

CHARACTERISTICS VALUE

Sensitivity (A/Output V) 60 A/VAC at 60Hz.

Source Impedance (ohms) 2,100 Calibration Accuracy at 120 amperes 1% Linear Accuracy (% change in sensitivity) <1.0% Angular Accuracy 3-600 amperes (change in degrees) < 0.5 Temperature Accuracy (change in sensitivity) +0.2%/C 7th Harmonic Response Percent (100% = 7 X 60 Hz output) 82%

- Controller: Microprocessor-based with local and SCADA compatibility (DNP3 or

Modbus) or other controller module enclosed in a NEMA 3R enclosure, and capable of being mounted on a six-clip meter socket on a pole, mounting meter socket and controller cords. The controller shall have the capability of setting close and trip set points based on VARS and current.

The controller shall provide true RMS readings under the following conditions:

- Current readings accurate to +0.6% full scale with a resolution of one ampere.

- Voltage readings accurate to +0.3% full scale with a resolution of 0.15 volt over the nominal range of 110 volts to 127 volts.

- Phase angle readings accurate to +1 at 10% of full-scale current with a resolution of

0.125.

The controller shall have the capability of recording data as follows:

- Capable of recording temperature, voltage, current, power factor, kVAR, and kW.

- Capable of varying data logging intervals from one minute to 60 minutes for two days to

120 days of voltage and temperature data.

- Capable of logging the time of the last 14 switching events, the reasons the switches were operated, and the voltage and VAR’s before and after the switching event.

- Capable of logging the time and date of the last 15 power cycles.

- Capable of logging daily minimum and maximum voltages, temperatures, kVARs, power factor, the number of switching cycles in the last month, and the number of switching cycles since installation.

- Control Inputs: Voltage, VAR, time, current, power factor or temperature based

- Communications: Optional, with cellular, fiber, or RF mesh options

7. MOUNTING & STRUCTURE

- Mounting Frame: Hot-dip galvanized steel, corrosion resistant Aluminum. The mounting frame shall provide for mounting three capacitor units in a row and/ or vacuum switch on each end. The frames shall have a permanent nameplate mounted on the side of the rack. The frame shall have proper electrical clearances for the voltage rating. For 95kV BIL applications, 18” phase to ground and 18” phase to phase electrical clearances shall be maintained.

- Lifting Provisions: Integral four eye bolts or forklift pockets

- Pole Mount Brackets: Scott brackets. Appropriate mounting brackets shall be supplied on frames for mounting the vacuum switches. The capacitor unit shall be provided with stainless steel mounting brackets with industry standard 15.62-inch mounting centers to allow the mounting of the units to the capacitor rack mounting frame. The underside of each bracket shall not be painted to ensure positive grounding.

Nameplates:

Each capacitor unit nameplate shall include, but not be limited to, the following:

- Manufacturer name

- Unique serial number

- Manufacturer type, model, style, or catalog number

- Year of manufacture

- Rated reactive power

- Rated voltage, rms

- Number of phases,

- Rated frequency

- Rated BIL

- Flammability classification and volume of insulating fluid

- Statement that capacitor contains an internal discharge device.

Each capacitor bank nameplate shall include, but not be limited to, the following:

- Unique serial number

- Manufacturer type, model, style, or catalog number

- Rated voltage, rms

- Rated reactive power

- Rated frequency

- Rated BIL

The capacitor switch nameplate shall include, but not be limited to, the following:

- Manufacturer type or identification number to indicate the design or construction

- Rated maximum voltage

- Rated capacitive switching current

- Rated lightning impulse withstand voltage

- Rated control voltage

- Month and year of manufacture designation

- Serial number designation

- Rated short-time (symmetrical) current

- Rated high-frequency transient-making current

- Probability of restrike classification

8. TESTING & STANDARDS

All components shall comply with the latest revisions of the following standards:

- IEEE Std 18 – Shunt Power Capacitors

- IEEE Std 1036 – Application Guide for Shunt Power Capacitors

- ANSI C37.66 – Capacitor Switches

- NEMA CP1 – Shunt Capacitor Units

Factory testing shall include:

- Dielectric testing

- Insulation resistance

- Power factor measurement

- Thermal run test (for complete bank if assembled)

9. DOCUMENTATION

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. The Quality Assurance system shall be designed and administered according to a recognized quality system standard such as the ISO 9000 series or equivalent.

The manufacturer shall provide the following documentation in compliance with ISO 9001 standards:

- Certified test reports: Detailed test reports documenting the results of all tests performed on each capacitor bank shall be provided to the City of Colton prior to shipment. Any deviations from the specifications must be addressed and resolved before shipping.

- Instruction manuals: Detailing the specifications of the capacitor bank, including rated voltage, capacitance, current, insulation class, and operating temperature range.

Equipment unloading, handling, storage, and installation instructions shall be included with the packaging in such a manner that it can be easily located and accessed before unloading the equipment.

- CAD drawings (installation and schematic): Clear, ISO-compliant instructions for installation, operation, and maintenance along with single- and three-line diagrams.

- Warranty statement: Outlining the warranty terms and conditions, including the warranty period and scope of coverage.

- Bill of Materials (BOM)

10. PACKAGING

- General

- Pallets shall be designed for movement by either pallet jack or forklift.

- The two openings for the pallet jack or forklift shall have a minimum width of 21 in and height of 4 in.

- Crates and pallets, including slats, blocking, and wedges, shall be unpainted wood.

- Capacitor Bank

- Each capacitor bank shall be packaged in its own crate and delivered on its own pallet.

- The outside of each crate shall be permanently and clearly marked with the following:

▪ Manufacturer name or symbol

▪ Colton purchase order number

▪ Manufacturer equipment serial number, if applicable

- Each capacitor unit shall be shipped with terminals shorted.

▪ Probability of restrike classification

AWARD OF BID:

The following criteria will be evaluated in determination of the successful bidder for the purpose of an award:

(1) The firm price quoted, FOB, delivered to the Electric Yard, plus sales tax.

(2) The delivery time quoted to the Electric Yard. In the event that lead times from different manufacturers varies more than three weeks, the City of Colton reserves the right to weight lead times equally to the evaluated price of the capacitor banks in determining award.

End of Specification

CITY OF COLTON

BID SHEET

BIDDERS NAME:

CAPACITOR MANUFACTURER:

DATE:

NO. QTY.

AMOUNT

DESCRIPTION UNIT

PRICE

7.75%

TAX

EXTENDED

PRICE

1 4 1200 kVAR Pole-Mounted Capacitor Bank to be in accordance with City of Colton Electric Utility requirements.

TOTAL $ $ $

CITY OF COLTON

BIDDER’S PROPOSAL AND STATEMENT

To the Honorable City Council City of Colton Colton, California, 92324

Honorable Council:

The undersigned proposes and agrees to furnish to the City of Colton the items and/or services as designated, and at the prices shown, on the attached Bid Sheet.

Delivery to be completed within days from date of contract award.

Factory authorized service for the equipment to be furnished is available, if applicable, at the following location:

The undersigned understands that the City of Colton shall have the right to accept or reject any or all bids. Form of agreement will be a City of Colton Purchase Order.

Bids may be withdrawn, altered and resubmitted until the time and date set for receipt of bid. Bids may not be withdrawn, altered or resubmitted within 30 days thereafter.

Please list below any exceptions you are taking to the items listed on the attached bid sheet by item number.

Please provide the name of your Company’s President and the name of the local representative:

Company President:

Local Representative:

Company Name:

Address:

Phone:

By:

Signature

Date: