Invitation to Bid

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Attached to
Electrical Equipment Installation, Inspection
Solicitation number
BL099-22
Issued by
Gwinnett County, Georgia

About this file

Summary of Invitation to Bid BL099-22

This is an Invitation to Bid (ITB) issued by the Gwinnett County Board of Commissioners for the Gwinnett County Department of Water Resources seeking qualified electrical contractors to provide electrical equipment installation, inspection, and repair services on an annual contract with four one-year renewal options. The contract encompasses comprehensive inspection, analysis, calibration, cleaning, repair, and coordination of metal-clad switchgear, contactors, motor control centers, variable frequency drives, soft starts, load-break switches, motors, generators, vacuum breakers, power and distribution substations, transformers, load centers, and lighting panel boards for electrical equipment up to and including medium voltage at various GCDWR facility locations. Services include infrared thermographic scanning, motor circuit evaluations, protective relay testing, vacuum breaker inspection, and basic electrical repairs. Sealed bids were due by 2:50 P.M. on September 7, 2022, at the Gwinnett County Financial Services Purchasing Division, 75 Langley Drive, Lawrenceville, Georgia 30046, with public bid opening scheduled for 3:00 P.M. the same day. The contract is anticipated to commence January 1, 2023, or upon award, whichever is later, with pricing to remain firm during the initial contract term and each renewal option.

Bidders must submit pricing on an hourly rate basis for Master Electricians, Journeyman Electricians, and Electrician Helpers for regular hours, overtime hours, and trade holidays, along with fixed trip charges per service call and a materials markup not to exceed ten percent. The County reserves the right to award to multiple contractors and reserves the option to negotiate terms with the lowest responsive, responsible bidder. Successful bidders must maintain ISO 9001 certification or equivalent, provide a minimum of ten years' experience, ensure all personnel performing electrical work are CPR certified, maintain required insurance coverage including a $1,000,000 Commercial General Liability limit and workers' compensation insurance with A.M. Best ratings of A-5 or higher, and comply with all federal and state regulations including OSHA, NFPA 70E, NEC, and NETA standards. Bidders are required to conduct on-site inspections of proposed jobsites prior to bid submission and submit three professional references of similar size and scope. The County reserves the right to reject any or all bids and does not require bond submission for this solicitation.

Text of this file

August 12, 2022

INVITATION TO BID

BL099-22

The Gwinnett County Board of Commissioners is soliciting competitive sealed bids from qualified contractors for the Provision of Electrical Equipment Installation, Inspection, and Repair Services on an Annual Contract with four (4) options to renew for the Department of Water Resources.

Bid submittal date and location:

Bids should be typed or submitted in ink and returned in a sealed container marked on the outside with the Bid Number and Company Name. Bids will be received until 2:50 P.M. local time on September 7, 2022, at the Gwinnett County Financial Services - Purchasing Division – 2nd Floor, 75 Langley Drive, Lawrenceville, Georgia 30046. Any bid received after this date and time will not be accepted. Bids will be publicly and virtually opened and read at 3:00 P.M. Apparent bid results will be available the following business day on our website www.gwinnettcounty.com.

Instructions on Submitting Questions

Questions regarding bids should be directed to Shelley McWhorter, Purchasing Associate III, at shelley.mcwhorter@gwinnettcounty.com or by calling 770-822-8734, no later than 10:00 a.m. on August 29, 2022. Bids are legal and binding upon the bidder when submitted. All bids should be submitted in duplicate.

Insurance

Successful contractor will be required to meet insurance requirements. The Insurance Company should be authorized to do business in Georgia by the Georgia Insurance Department and must have an A.M. Best rating of A-5 or higher.

Facility Access

Gwinnett County does not discriminate on the basis of disability in the admission or access to its programs or activities. Any requests for reasonable accommodations required by individuals to fully participate in any open meeting, program or activity of Gwinnett County Government should be directed to the ADA Coordinator, Gwinnett County Justice and Administration Center, 770-822-8165.

The written bid documents supersede any verbal or written prior communications between the parties.

Award will be made to the contractor submitting the lowest responsive and responsible bid. Gwinnett County reserves the right to reject any or all bids to waive technicalities, and to make an award deemed in its best interest. Bids may be split or awarded in entirety. Gwinnett County reserves the option to negotiate terms, conditions and pricing with the lowest responsive, responsible bidder(s) at its discretion.

Award notification will be posted after award on the County website, www.gwinnettcounty.com and companies submitting a bid will be notified via email.

We look forward to your bid and appreciate your interest in Gwinnett County.

Shelley McWhorter, CPPB Purchasing Associate III http://www.gwinnettcounty.com/ mailto:shelley.mcwhorter@gwinnettcounty.com http://www.gwinnettcounty.com/

BL099-22 Page 2

Failure to return this page as part of your bid document may result in rejection of bid

CHECKLIST

THE FOLLOWING PAGES SHOULD BE RETURNED AS YOUR BID

1. Checklist, page 2

2. Compliance Sheets, pages 17-18

3. Bid Schedule, pages 19-21

4. References, page 22

5. Contractor Affidavit & Agreement

6. Code of Ethics Affidavit

7. Proof of ISO 9001 compliance (or equivalent certification)

BL099-22 Page 3

GWINNETT COUNTY DEPARTMENT OF WATER RESOURCES ELECTRICAL EQUIPMENT

INSTALLATION, INSPECTION, AND REPAIR SERVICES ON AN ANNUAL CONTRACT

The Gwinnett County Department of Water Resources (GCDWR) is soliciting competitive pricing for Electrical Equipment Installation, Inspection, and Repair Services at various facilities. The majority of the GCDWR facilities are industrial in nature and utilize electrical equipment of various voltages including, low, medium, and high voltage applications.

GCDWR may award this contract to multiple independent contractors. Work orders will be awarded based on the following:

1. Are resources available within the timeframe required

2. Are the specific services needed, available within the contractor’s team

3. Is the contractor available to meet onsite to view the work and submit a bid

4. Cost

I. REQUIREMENTS

A. STATEMENT OF WORK

Service provider shall furnish all insurance, transportation, materials, supplies, parts, test equipment, instrumentation, apparatus, services, tools, supervision, labor, engineering, technical knowledge, skills, and all things necessary to provide an Annual Contract for the thorough inspection, analysis, calibration, cleaning, repair, and coordination of the following:

1. All metal-clad switchgear, contactors, motor control centers, variable frequency drives, soft starts, load-break switches, motors, generators, vacuum breakers, power and distribution substations, transformers, load centers and lighting panel boards for electrical equipment and related electrical appliances up to and including medium voltage, at any Gwinnett County Department of Water Recourses facility location.

2. Service provider shall repair any problems discovered during the Inspection.

3. Test parameters will come from the Original Equipment Manufacturer’s maintenance and installation manuals, the following specifications and from the Current Edition of the INTERNATIONAL ELECTRICAL TESTING ASSOCIATION Standard.

4. The inspection results shall be written out and presented as a detailed report at the conclusion of the inspection to each facility’s staff.

5. Wire and cables, wiring devices, conduit and raceways, grounding systems, power distribution equipment, switchgear, temporary power, pilot devices, lighting fixtures, limited energy systems, outdoor systems, instrumentation and control systems and components, hazardous systems, motor controllers, variable frequency drives, soft- starts, transformers, and various electrical equipment installations and connections for Gwinnett County in accordance with the minimum specifications.

Lighting fixtures will only be installed and repaired under this contract if in conjunction with other installation/repair work.

6. Work scope shall include renovation of non-NEC compliant systems, obsolete systems, relocation of existing equipment, and demolition of old equipment no longer in use. Service provider shall provide other miscellaneous services in accordance with the contract requirements, including service call work, recurring work, and indefinite quantity work.

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B. MINIMUM SPECIFICATIONS

1. Motors/generators and their controllers, related switchgear, protective relays/solid state protection modules, vacuum circuit breakers including all associated protective relays, medium voltage load break switches, power sub-stations and related metal-clad switchgear, circuit breakers, distribution transformers, panel power transformers and power busses:

Special Note Electric motor and generator rewinding and repair only, are covered under a separate contract set aside for this specific purpose. Other contract- approved service providers shall perform rewinding and repair of electric motors and generators. Motor and generator inspection and testing only, are included as part of this contract. All other electrical components and devices are to be repaired at the County’s option under this contract, if found defective.

2. General

Service provider to inspect, check calibration of solid-state modules, test motor protection relays and modules, test conventional protective relays, check and tighten all electrical connections, note any discoloration of copper or silver-clad conductors, physically check and tighten all mechanical connectors to factory specifications, clean and polish fuse ferrules, check and adjust fuse clip tension, clean and remove dust, rust and corrosion. Check conductors for mechanical damage and over-heating. Service provider shall lubricate parts as required, using a lubricant approved by the original equipment manufacturer for the specific purpose. Circuit breakers to be load tested to nameplate trip values. Records of all test results and overall equipment condition shall be reported to the County in written form after completion of the inspection cycle. Hazardous conditions shall be reported immediately.

3. Testing and Inspection of Generators and Large Motors Service provider shall perform motor circuit evaluations of electric motors and generators to measure electric imbalances between the phases to assist in predicting equipment failure and high electrical use. Tests must be completed with power off. Service provider shall provide test data results in a tabular and graphical format for each electric motor and generator tested. Motor circuit evaluation shall indicate the severity of electrical imbalance, balance in percentage for resistance and inductance phase-to-phase, capacitance to ground measured in pico-Farads, resistance to ground measured in megohms and the estimated cost of power loss in dollars per year.

Motor circuit test instruments should require minimum operator interface with the tester and shall capture and store Resistance to Ground, Resistance Phase to Phase, Inductance Phase to Phase, and Capacitance to Ground values. Multiple pieces of test equipment may be used.

Analysts/technicians must be trained and knowledgeable in electric motor theory and test parameters and familiar with the types of equipment that will be inspected and tested. All electric test equipment must be calibrated at least one (1) time per year and is traceable to the National Institute of Standards and Technology (NIST). Service provider shall present proof of calibration certification upon request by the County.

During insulation testing, the motor/generator leads are to be disconnected at the controller and the device is to be tested by meggering the windings and leads on each phase. The device junction box cover is to be removed and the phase leads are to be checked for overheating. Thermal scans shall be taken after initial inspection cycle is completed to locate hot spots (see Section 4.0). Inspection plugs or plates to be removed from each end of all devices with Babbitt sleeve bearings and the air gap checked for concentricity and results compared with previous inspection results. All peripheral wiring connections and heaters are to be checked, cleaned, and tightened. Dust and dirt are to be vacuumed from windings, brush holders, commutators, and collector rings. Service provider shall not

BL099-22 Page 5 use compressed air. Brush tension is to be checked and adjusted to a range of 4 ½ to 6 pounds or as required by the equipment manufacturer, as measured by a quality spring tension gauge. Each motor or generator shall be load tested and a check is to be made to determine both current and voltage unbalance. Test results are to be included in a detailed test report. Service provider shall perform the following tests on each motor and generator and record the results in a written report to be submitted to the County at the end of the inspection cycle:

• Polarization Index

• Resistance to Ground (Megger)

• Resistance Phase-to-Phase

• Inductance Phase-to-Phase

• Capacitance to Ground

Ground Megger Parameters:

• For all 208 Volt - 240 Volt motors, Megger @ 500 VDC for 1 minute

• For all 460 Volt - 480 Volt motors, Megger @ 1 KVdc for 1 minute

• For all 2300 volt and 4160 v motors, Megger @ 5 KVdc for 1 minute

NOTE: For all motors and generators, perform dielectric absorption tests, using the following formula: 2(voltage) + 1000 X 1.6 X 0.6 = calculated voltage. Start with 25% of calculated voltage, induce voltage into windings and take readings in micro amps. Apply full voltage, and then take readings in micro amps. The difference between the readings should not vary more than 4 times the initial input micro amps (converted from 25% calculated voltage).

4. Contactors

Inspect coils for overheating, or signs of mechanical damage and replace as required, clean faces, check shading coil, misalignment, mechanical binding, striking coil and clean laminations. Check arc shields for breaks and burning, check blowout coils for overheating and tighten. Check contact pressure for consistent contact and adjust as required. Check roll and wipe on contact tips, check tension of draw out fingers on stabs and adjust as required. Check tips for pitting or erosion, but do not remove silver oxide from tips. Check fuse-grounding fingers on fuse clips. Check and adjust auxiliary contacts. Check and adjust power interlocks. Check tightens all mechanical fasteners.

5. Protective Relays Service provider shall apply test circuit to verify relay pickup and dropout levels. Note any trends, which may be apparent and investigate causes for malfunctions.

Perform the following tests:

a. Contact function – Manually close (or open) contacts and observe that they perform their required function, i.e., trip, re-close, block, etc.

b. Pickup – Gradually apply test current or voltage to see that pickup is within Manufacturers’ limits.

c. Dropout or reset – Reduce the current until the relay drops out or fully resets. Should the relay be sluggish in resetting or fail to reset completely, and then the jewel bearing and pivot must be examined for damage. If dirty, the jewel must be cleaned with nothing more abrasive than an orange stick and the pivot wiped clean with a soft, lint-free cloth. Apply no lubricant to either the jewel or pivot.

d. Check all connections and tighten as required. Clean all gaps of foreign material and check gaskets and boots. Measure moving gaps and compare with previous measurements. Measure Contacts for alignment and wipe.

e. Calibrate all solid-state protection devices according to the original equipment manufacturer’s specifications. Typical tests consist of overload trip time test, phase unbalance trip time test, BL099-22 Page 6 instantaneous over-current level test, load loss and jam test and RTD calibration of temperature monitoring devices. Test RTD’s for correct output.

f. Report all test results including trip currents and times in a detailed report.

6. Vacuum Breakers and Contactors

a. General - Inspection and testing to be performed in accordance with manufacturer’s requirements for that particular device. Vacuum bottle integrity shall be tested by AC high potential testing across the open contacts, starting at a low voltage and increasing at a uniform rate up to manufacturer’s specified test voltage, and shall be held at the test voltage for the time specified by the manufacturer. Contact erosion shall be tested by means of spacing gauge external from the vacuum chamber.

Breaker opening and closing times are to be recorded and included in the detailed report. All protective relays are to be tested with an external test set and trip currents and times are to be recorded and included the report. Breaker to be load tested at rated current according to manufacturer’s requirements.

Cables to be tested by an approved high potential tester at two times the cable rating plus 1000 volts for one minute with both ends of the cable isolated. Test all protective devices as outlined elsewhere in this document.

b. Vacuum Bottles (See Also Vacuum Breakers) - Check gap contact with proper gages; check vacuum bottle integrity by use of a high potential tester. Hi-Pot test devices are listed as follows:

1) Hipotronics Model 860PL

2) Hipotronics Model 880PL

3) Hipotronics Model 7BT 60A

4) James G. Biddle # 222060

5) or approved equal.

Testing shall be performed in accordance with manufacturer’s instructions or NETA Standards.

Newer equivalent manufacturer’s replacement High Potential testers shall be considered for approval.

7. Metal Clad Switch Gear, Load Interrupters, Transformers, and Substations:

a. General: Check insulators for carbon tracking, chipping, crazing, and cleanliness. Electrical connections are to be checked and tightened. Gang switches are to be checked for simultaneous operation and adjusted as required. Check that arching horns close before main contacts and open after main contacts and adjust as required. Inspect arc chutes for heating, pitting, and cracking. Check that moving contacts are aligned to stationary contacts and check all shunts and springs for overheating. Replace damaged parts as required.

b. Oil Immersed Devices (Breakers and Transformers): Drain a small quantity of oil from bottom to remove sludge accumulation. If excessive sludge is found, oil must be drained and replaced with clean oil. Level is to be rechecked and topped up as required. Oil to be replaced if found dirty.

Dielectric test of oil is to be performed by checking multiple samples. Winding insulation is to be tested by meggering and results are to be included in a detailed report.

c. Miscellaneous METAL-CLAD SWITCHGEAR INSPECTION: Megger test switchgear lightning arrestors, check control knobs and switches for freedom of movement and contact condition.

Check shutter mechanism operation, check door handles, locking bars, keys, and interlocks for positive operation check doors for damage, check that all power and control cable entrances are sealed against rodents and fire contaminants, check draw-out racking mechanisms: adjust and

BL099-22 Page 7 lubricate, inspect instrument transformers, check interlocks for safe operation and check equipment ground bus and its connections.

d. Other: Clean and check all associated pilot devices both local and remote, replace burned out lamps or sockets. Pilot devices are those devices located in related control panels or are mounted to peripheral equipment and provide feedback to the controller circuit relay logic or as inputs into a PLC or outputs from PLC. Service provider to test PLC logic for problems. Service provider shall apply an external test power supply and check service provider operation. Service provider shall perform a test cycle with unit offline to determine if correct starting sequence is followed; then perform a load test on controller with motor or generator and observe if contact bounce occurs and correct if required. Check for excessive noise from shading coils, magnet surfaces, sealing, mechanical binding, or looseness. Test protective relays with an external test set and record trip currents and times. Include findings in report. Check top and bottom limits of operation of pilot devices and note if any fluttering occurs from “pumping” of main contacts. Test breaker battery bank electrolyte level and strength. Check voltage levels and verify that charges are properly maintaining correct charge.

8. Infrared Scan Inspection: After all switchgear, motors, wiring connections, terminal boards and other related equipment have been inspected in accordance with the attached specifications, a final inspection shall be performed at all inspected sites, consisting of a comprehensive infrared scan of all connections and devices while under electrical load. Under no circumstances shall Infrared Scans be performed in lieu of performing other specified checks and tests. Service provider shall also scan all lighting panel boards and power-switching boards at all listed locations. Service provider shall document hot spots for the County and recommend correction. The County may need thermal scans made more frequently than once per year. Service provider shall make this service available on demand by location.

Service provider shall use thermal imaging equipment that does not make physical contact between the camera and electrical components or require equipment shutdown to diagnose electrical power distribution problems through thermographic imaging.

Results of this service shall be presented in the form of a detailed report containing color photographs and videotapes to provide documentation of the problem areas. Service provider shall interpret images, and when faults are discovered, provide the necessary documentation with recommendations for use by County electricians when accomplishing corrective actions. At a minimum, the reports must include:

a. The test location.

b. The problem location.

c. The probable cause.

d. The recommended repair actions.

Service provider must meet the following minimum requirements in as far as equipment, technicians, calibration, and data storage:

a. Thermographic scanner must be a visual color image scanner that utilizes mechanical prism or focal plane array technology.

b. Temperature measurement range must be from 0 to 900 degrees Fahrenheit.

c. Capture and store thermographic and visual image for reporting and analysis purposes.

d. Analysts/technicians must be trained and certified in Thermography and Infrared theory.

e. Service provider must be familiar with all the types of equipment that will be monitored

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f. All infrared test equipment must be calibrated at least one (1) time per year and is traceable to the National Institute of Standards and Technology (NIST).

9. Basic Electrical Repair Requirements: Service provider shall provide costs for labor and materials markup to cover the costs for possible repair of devices requiring remedial work discovered as a result of the inspection or as the result of an emergency. Motors and generators, only, are excluded.

Should repairs become necessary, all work shall be performed in accordance with but not limited to the following:

a. Raceways to be rigid metallic conduit and fittings unless otherwise specified at the County’s option. Flexible non-metallic conduit may be used where permitted by the National Electric Code

(NEC).

b. National Electrical Manufacturer’s Association (NEMA) Standards ICS 2-322.08 will be used to fine Motor Control Center classes and NEMA Standard ICS 2-322.10 shall define Motor Control Center wiring types. NEMA Standards for all components shall be used in preference to International (IEC) Standards.

c. Service provider shall be responsible for arranging and coordinating any required work between Gwinnett County and Power Utility Company to disconnect and restore power to the jobsite.

d. Service provider to furnish a means of disconnecting power to any device or apparatus independent of any circuit breaker. Such safety disconnect shall be lockable for any 3-phase system or any system exceeding 120 volts. Switches for single-phase 120-volt system shall be industrial grade with replaceable contact blocks and selector or maintained operators as approved by the County and installed in an industrial grade enclosure of NEMA 3R, 4 or 12 as required by Code. Safety switches shall be installed in accordance to Current Edition NEC and current Occupational Safety and Health Act (OSHA) guidelines.

e. Service provider to test all components and systems upon completion of the installation, and correct any deficiencies found. Service provider to leave all components and systems in safe, perfect working order.

f. Service provider to test all bolted connections by torque wrench as recommended by manufacturer. All bracing is to be put in place and properly secured. All panel covers, junction box covers and Condulet covers are to be put in place and secured.

g. Service provider to test all circuits by energizing for at least thirty (30) minutes and test all controls by operating each at least five (5) times.

h. Service provider to use appropriate test equipment, to determine the resistance to ground of each exposed panel, switch, outlet, equipment enclosure, length of raceway, and other metallic electrical system elements with which personnel may come in contact. Should any resistance to ground so determined exceed five (5) ohms, perform permanent corrective work to reduce resistance below such value. Test insulation resistance to ground of each ungrounded conductor.

Correct any such conductor having less than ten- (10) megohms resistance.

i. Service provider shall permanently label all wiring at both ends and at terminal boards and will label any devices installed. Tape style letters or numbers are unacceptable. Service provider to provide comprehensive as-built drawings showing new work and shall incorporate the interface with any existing wiring. PLC program modifications shall be documented, and new software and documents shall be forwarded to the County. These shall include working and archival copies.

II. GENERAL TERMS AND CONDITIONS

A. The contract will be an “Open-End” type with County requirements to be satisfied on an “as needed” basis.

This invitation and resulting annual contract will provide for the normal requirements of Gwinnett County, and contracts will be used as primary sources for the articles or services listed herein. Articles or services

BL099-22 Page 9 will be ordered from time to time in such quantities as may be needed. As it was impossible to determine the precise quantities of items described in this invitation that will be needed during the contract term, each service provider is obligated to deliver all articles and services that may be ordered during the contract term regardless of quantity or dollar volume.

B. Service provider shall be responsible for County components or parts while in his possession and shall make good any damage to such components or parts.

C. Service provider shall conduct the work in such manner as to minimize disruption of Gwinnett County operations. Therefore, all inspections and service of equipment shall be performed on County premises.

Any deviation shall be handled on a case-by-case basis.

D. In the selection of the Service provider, the County will not only consider the cost, but also will check the efficiency, dependability, prior service, experience, responsiveness, and proximity of submitter as noted in the Compliance sheet.

E. OPTION TO AUDIT

Successful bidder will be required to maintain complete records during the life of the contract and for a period of one year after completion of the contract. Such records are to be made available to the County if officially requested and may be audited by a designated County staff or firm. If such audits reveal overcharges and/or undercharges, such will be adjusted, and compensation made by either party to correct charges.

F. SILENCE OF SPECIFICATIONS

The apparent silence of these specifications and any supplemental specifications as to any details, or the omission from it of a detailed description concerning any point, shall be regarded as meaning that only the best commercial practices are to prevail and that only materials and services of first quality and correct type, size and design are to be used. All workmanship is to be first quality. All interpretations of this specification shall be made upon the basis of this statement, with County interpretation to prevail.

G. FAMILIARITY WITH THE WORK

Bidder acknowledges, by signing the bid documents, a full and complete understanding of the extent and nature of the work required and the conditions surrounding the performance.

H. CONDITION, WORKMANSHIP, AND INSPECTION

All equipment and/or materials furnished by successful bidder will be new, equivalent to original manufacturer’s standards, in first class condition, including containers suitable for shipping and storage, unless otherwise directed by the County in writing. Verbal agreements with the County will not be recognized. All work done under this contract will be performed in a skillful and competent manner.

The County reserves the right to require that the successful bidder(s) remove any of their own employees, agents, or sub service providers, whom the County deems incompetent or careless, from performing work on County equipment. The County reserves the right to inspect any work performed under this contract both at the job site and at successful bidder’s facilities. Any inspection by the County does not relieve the successful bidder from any responsibility regarding defects or other failures to meet the contract requirements.

I. CORRECTION OF WORK

The successful bidder shall promptly correct all work rejected by the County as faulty, defective, or failing to conform to the Minimum Specifications and/or to consensus standards adopted by both government and industry governing the repairs, whether observed before or after substantial completion of the work, BL099-22 Page 10 and whether fabricated, installed, or completed. The successful bidder will bear all costs of correcting such rejected work.

J. SERVICE PROVIDER RESPONSIBILITY

1. As may be required to perform the level of effort described in the task order, the Service provider shall furnish all labor and facilities; fabricate, assemble, receive, inventory, verify, package, store, and ship material and equipment necessary for the performance of these efforts. The Service provider shall acquire or procure those incidental material items necessary to complete tasking.

2. The Service Provider is solely responsible for obeying the requirements of any statutes, laws, regulations, executive orders, consent standards, or codes governing the type of work performed.

3. The Service Provider is solely responsible for the safety of own employees while working on County-owned facilities and locations, when working in tanks and confined spaces. The Service Provider shall comply with all regulations relating to federally mandated industrial safety, equipment tag out, and environmental control and shall perform atmospheric safety certification when work is required in tanks and unventilated (confined) spaces.

4. The Service Provider shall be responsible for obtaining any permits and licenses that may be required by his personnel to support tasks performed under this contract, including any associated fees.

5. The Service Provider shall ensure that all Service Provider personnel performing electrical and/or electronic work are CPR certified.

6. The Service Provider shall ensure that all Service Provider personnel performing electrical and/or electronic work in Confined Spaces are properly regulated, trained, equipped, and certified under CFR- 29-1910.46.

7. The Service provide shall ensure that all Service Provider personnel performing electrical and/or electrical work are properly regulated, trained, and equipped under the current edition of NFPA 70E STANDARD for Electrical Safety in the Workplace.

K. Gwinnett County reserves the right to purchase and furnish Service Provider with supplies, materials, wire, cables; equipment, components, parts, switchgear, apparatus, devices, fixtures, conduit, raceways, and any other items needed to begin and/or complete a project under this contract.

L. Bidder is cautioned to make his bid complete and to furnish all information and detail required by these specifications. Failure to comply may result in the bid being deemed non- responsive due to incompleteness.

M. TORT IMMUNITY

No officer, employee, or agent of the County acting within the scope of his/her employment or function shall be held personally liable in tort or named as a defendant in any action for injury or damage suffered because of any act, event, or failure to act.

N. Service Provider shall be responsible for safety conditions during the contract period, including the placing of any needed barriers or signs.

O. USUAL and CUSTOMARY RATES FOR SERVICE and REPAIR CONTRACTS In maintenance, repair and service contracts where total costs are not fixed but are based upon time and materials only; then, Gwinnett County reserves the right to verify that the Successful Bidder’s prices are not in excess of usual and customary rates typically charged in the industry for the work requested.

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Should the County discover that the Successful Bidder is charging in excess of the usual and customary rates, then the County reserves the right to award such work outside the contract. In all such cases, Successful Bidder shall furnish the County with a not-to-exceed cost and completion time prior to beginning any work. At no time will Successful Bidder begin any work without prior approval from the Department or Division using the contract.

P. AWARDS

Gwinnett County reserves the right to make no awards, partial awards (reduced quantities), multiple awards, one award for all items; or whatever the County deems to be in its best interest.

III. GENERAL MINIMUM SPECIFICATIONS

A. WORK SCHEDULE

1. Service Provider shall coordinate all work with operations staff so that a Gwinnett County facility’s functionality is not adversely impacted. Work shall not interfere with the receiving of critical shipments of operating materials and supplies nor hinder the day-to-day operation of the facility. The normal daytime schedule will vary between various departments. Service Provider may be allowed access during off hours at the County’s option.

This contract may be used by all Gwinnett County Government agencies.

2. SPECIAL NOTIFICATIONS: Service Provider shall notify appropriate division contact to obtain permission to begin work and shall receive clearance before taking any operating equipment out of service. Work shall be scheduled at least 24 hours in advance when possible. Note that County service demands shall dictate work schedules.

B. SITE CONDITIONS

1. Service Provider shall be responsible for obeying each using facility’s policies regarding use of parking spaces.

2. Service Provider shall be responsible for maintaining a hazard-free work area. All tools, equipment, materials, apparatus, supplies and parts shall be neatly stored in a designated area near the work site in full compliance with the Occupational Health and Safety Act of 1993, and/or any applicable revisions.

3. Service Provider may have limited use of 120-volt single phase, 208-volt 3-phase or 230- volt 3-phase electric power, and water taps, where available.

4. Service Provider shall be responsible for providing own toilet facilities and fresh drinking water at remote sites where such facilities are not available.

C. MATERIALS, SERVICES AND/OR EQUIPMENT FURNISHED BY COUNTY

Items which are to be furnished by the County will be provided on a timely basis if possible, so as not to delay work; however, work to be done by a Service Provider, and requiring services or parts provided by the County, shall not commence until Service Provider has received all items that were to be supplied by the County, or until permission to start has been given by the County.

D. EXTRA WORK

If extra work not specifically listed in either the SCHEDULE or minimum specifications is required, such work must be duly authorized in advance and in writing by the County at a fixed lump sum, based upon the time and materials prices bid, after the Service Provider has provided: 1) a written and detailed cost breakdown, 2) estimated completion time and 3) justification for the work in question. Verbal agreements between Service Provider and County employees shall not be binding.

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E. STANDARDS, PERMITS AND LICENSES

Service Provider shall be financially responsible for obtaining all licenses and permits required to comply with any regulatory agency to perform work under these specifications. Service Provider shall be responsible for obtaining any permits or licenses required by the Federal Government, State of Georgia, or Gwinnett County to perform work under these specifications. Safety regulations shall conform to current Occupational Health and Safety Act (OSHA) and National Institute for Occupational Safety and Health (NIOSH) requirements. Inspections and maintenance repairs shall conform to the Current Edition National Electrical Testing Association (NETA) Standards and to the Current Edition National Electrical Code (NEC). National Electrical Manufacturers Association (NEMA) Standards shall be used in lieu of European standards with regards to equipment and apparatus replacement.

F. ON-SITE INSPECTION

Bidder(s) shall perform an on-site inspection of the proposed listed jobsites (see attachment) prior to submitting bids. Bidder(s) shall familiarize themselves with the existing equipment types to be inspected and serviced, locations of the electrical equipment, and other details, which may affect bidding.

Drawings supplied by the County are assumed to be accurate; however, Bidder(s) is/are responsible for field checking all particulars and familiarizing themselves with relevant circuits prior to bidding any work.

G. EQUIPMENT FURNISHED BY SERVICE PROVIDER

Service Provider not to substitute equipment with regards to manufacturer, if so specified. When upgrading existing systems, equipment furnished must achieve fit and function with equipment left in place. In any case, Service Provider shall provide Gwinnett County with a fully functional and working system upon completion of the work.

H. STANDARDS, CERTIFICATIONS, PERMITS AND LICENSES

Service Provider shall be responsible for providing all certifications, licenses, and permits required complying with any regulatory agency to perform work under the specifications. Service Provider shall be responsible for any fees required to obtain any certifications, permits, or licenses required by the Federal Government, State of Georgia, or Gwinnett County to perform work under these specifications.

NECA Manual of Labor Units shall govern labor and repair costs for Electrical projects. Service Provider is expected to procure own copy of this manual.

Work performed shall conform to National Electrical Code (NEC) requirements. National Electrical Manufacturers Association (NEMA) standards shall override any international standards for equipment or devices furnished by Service provider. Switchgear and apparatus acceptance criteria shall conform to National Electrical Testing association (NETA) Standards. Personnel working in Confined Spaces shall be certified. Service provider’s firm shall be a member of good standing in the NECA.

I. BASIC ELECTRICAL REQUIREMENTS:

1. Codes and Standards: All work shall comply with the National Electrical Code (NEC) and applicable

State and Gwinnett County codes. NEMA Standards ICS 2-322.08 will be used to define Motor Control Center classes and NEMA Standard ICS 2-322.10 shall define Motor Control Center wiring types.

NEMA Standards shall be used in preference to IEC Standards. Maintenance Inspections and Equipment Acceptance shall comply with National Electrical Testing Association (NETA) standards.

2. Raceways and Panel Boxes: Raceways to be rigid metal conduit and fittings unless otherwise specified. Flexible non-metallic conduit may be used where permitted by the National Electric Code (NEC). Panduit or equal cableway shall be used inside control panels. Panel boxes shall conform to applicable NEC standards by type and location. Enclosures in underground stations or below grade in basements and subject to flooding shall be NEMA 4 or NEMA 4X. Service Provider shall use conduit hubs to attach conduit to NEMA 4-4X enclosures.

BL099-22 Page 13

3. Project Coordination: Service Provider shall be responsible for arranging and coordinating any required work with Gwinnett County and the appropriate local Power Utility Company to disconnect and restore power to the jobsite, should the need arise.

4. Safety Disconnects: Service Provider shall furnish a means of disconnecting power to any device or apparatus independent of any circuit breaker where required by Code. Such safety disconnect shall be lockable for any 3-phase system or any system exceeding 120 volts. Switches for single-phase 120-volt systems shall be industrial grade with replaceable contact blocks and selector or maintained operators as approved by the County and installed in an industrial grade enclosure of NEMA 3R, 4 or 12 as required. Safety switches shall be installed in accordance to NEC and OSHA guidelines.

5. Component Testing: Service Provider to test all components and systems upon completion of the installation, and correct any deficiencies found. Acceptance testing standards for equipment and installation will be applicable NETA. Service Provider shall leave all components and systems in safe, perfect working order.

a. Service Provider to test all circuits by energizing for at least 30 minutes and test all controls by operating each no fewer than five (5) times. Service Provider shall test all bolted connections by torque wrench as recommended by manufacturer. Service Provider shall physically check all screws for proper tightness. All bracing is to be put in place and properly secured. All panel covers, junction box covers, and conduit body covers are to be put in place and secured.

b. For metal-clad switchgear installations only, Service Provider shall use appropriate test equipment to determine the resistance to ground of each exposed panel, switch, outlet, equipment enclosure, length of raceway, and other metallic electrical system elements with which personnel may come in contact. Should any resistance to ground so determined exceed five (5) ohms, perform permanent corrective work to reduce resistance below such value. Test insulation resistance to ground of each ungrounded conductor. Correct any such conductor having less than ten (10) megaohms resistance.

6. Circuit Identification:

a. Service Provider shall label all wiring at both ends and at terminal boards and will label any devices installed or left in use. Wire markers shall be permanent. Vinyl or cloth tape numbers are unacceptable. Motor leads and phase conductors may be marked with colored vinyl tape.

b. Service Provider shall label all wiring at both ends and at terminal boards and will label any devices installed. Service Provider shall provide comprehensive as-built drawings showing both new work and how it interfaces with any existing wiring.

7. Abandoned Wiring: Service Provider shall disconnect and remove old conductors from abandoned raceways. Old, abandoned conduit in floor shall be cut level with floor and sealed after removal of cables and conductors or at the County’s option, may be capped and permanently labeled at both ends. Free hanging raceways and hangers shall be removed.

8. Coordination Study: Service Provider shall include a full coordination study to verify over current protection and available fault currents in newly installed panels and equipment at the request of the County.

9. Electrical Drawings and Documentation: Service Provider shall furnish three (3) sets of Operations and Maintenance Manuals (OEM) and three (3) sets of “As-built” drawings depicting system electrical wiring modifications and the interfacing of new equipment with existing systems left in place, before work will be accepted by the County. Documentation may include software.

BL099-22 Page 14

J. SPECIFIC REQUIREMENTS

1. OEM Methods and Procedures: The installation and repair services provided under this contract shall be in accordance with the methods and procedures of the original equipment manufacturers (OEM) schematics, operational, maintenance and repair manuals, unless otherwise stated in the price schedule or purchase order.

2. Landscaping Repairs: If damage occurs to County landscaping by Service Provider or his sub-Service

Providers or agents then Service Provider shall be responsible for repair of damaged landscape.

Service Provider to maintain existing contours in the work area. All disturbed areas will be graded, smoothed, and seeded with Kentucky 31 fescue, or approved equal, at the rate of 250 pounds per acre. Initial fertilizing and straw shall be included. Service Provider shall replace any bushes, flowers, or trees killed or damaged with like kind.

3. Parts and Materials Quality: Supplies, materials, devices, apparatus, components, and parts supplied and installed by Service Provider shall conform to both the manufacturers and industry standards.

Only parts meeting or exceeding that the original equipment will be used for repair work. All parts used must be listed on the original invoice submitted for payment. Gwinnett County reserves the right to audit Service Provider’s invoices for parts, as it deems necessary. Materials used by Service Provider shall be new and of the quality conforming to current engineering and manufacturing practices. All materials shall be free of defects and suitable for the intended use. Gwinnett County reserves the right to purchase and furnish Service Provider with supplies, materials, wire and cables, equipment, apparatus, devices, fixtures, conduit, raceways, and any other items needed to complete a project. Service Provider shall then furnish only services and shall provide estimate less any such items furnished by the County.

4. Requests for Service: Upon receipt of a request for service, Service Provider’s agents shall coordinate and schedule a site inspection with the County representative to familiarize themselves with the existing site location and environment, and any other details that may affect the project cost estimate. Service Provider shall then provide the County with a binding estimate for the project based upon the labor rates bid in the Price Schedule and any associated materials costs. Service Provider may at the request of the using County agency, be required to furnish a comprehensive bill of materials before authorization to begin is given. In all respects, Service Provider must obtain approval from the County before beginning any billable work, including the procurement of any materials, parts, components, apparatus, devices, or equipment. Work exceeding the scope of the original binding estimate must be approved in writing by the using County Department or Division Director on a case-by-case basis before the fact, and only after Service Provider has submitted a detailed written explanation for the need, a firm not-to-exceed cost to complete the project, and a firm project completion date. Verbal agreements between the County and Service Provider are not binding.

NOTE: Large projects, in which electrical work is one component of other structural, HVAC, and mechanical work, will be bid as part of the overall project and will be considered beyond the scope and intent of this contract. Discovered equipment repair needs associated with the existing Electrical Inspection Contract will continue to be covered under that contract and are beyond the scope of this contract.

5. Invoice Documentation: Service Provider shall, when contacted by a Gwinnett County agency, provide a binding estimate for installation and/or repairs of proposed new or old work covered under this contract before beginning the work. This estimate shall detail labor costs by item number, labor rate;

supplies, parts, and materials; and shall indicate estimated completion date and time for the project.

Invoices shall include the authorizing Departmental Purchase Order number and the contract

BL099-22 Page 15 number. All labor costs must be tied to the rates bid in the Bid Schedule. Upon receiving a written request from the Treasury and Accounting Services Division, Service Provider shall provide a detailed cost breakdown of any invoice. Service Provider is required to maintain a complete set of records including all supporting documentation and written correspondence for all work performed under this contract for the life of the contract plus one full year thereafter. The County reserves the right to access and to review any such records during this time-period.

6. Buried Utilities: Site plans furnished by the County are assumed accurate; however, Service Provider shall be responsible for locating buried utilities before beginning work and repairing any buried utilities broken or otherwise damaged during excavation, immediately.

7. Site Conditions:

a. Service Provider shall be responsible for obeying using Department’s policies regarding use of parking spaces. Service Provider will not be permitted to block driveways or loading docks during business hours.

b. Service Provider shall be responsible for maintaining a hazard-free work area. All tools, equipment, materials, apparatus, supplies, and parts shall be neatly stored in a designated area near the work site in full compliance with NIOSH and OSHA regulations. Service Provider shall erect appropriate barricades and signs to safely route pedestrian traffic around job site.

c. Service Provider may have limited use of 120-volt single-phase electric power, and water taps or faucets, where such are available.

d. Service Provider shall be responsible for daily removal of mud, boxes, packing materials, and construction debris from halls, corridors, door openings, paved driveways, sidewalks, parking lots, and public roads as work progresses. Service Provider shall also repair any landscaping damaged by his employees, Service Providers, or sub-Service Providers during the life of the project (see Section IV.J.2 Landscaping Repair).

e. Service Provider shall secure any building openings made because of this contract, against both heat loss and the intrusion of weather to prevent wind and precipitation from entering the building.

f. Service Provider shall be responsible for providing own toilet facilities and fresh drinking water at remote sites where such facilities are not available.

g. County Users will identify Confined Space locations for Service Provider when work is requested in such locations.

8. SAFETY: Contractor will be responsible for the safety of their personnel. Costs for safety program and measures to be included in the hourly rates and percentages of markup in the Fee Schedule.

a. Contractor must comply with all applicable OSHA regulations, Gwinnett County, Gwinnett County

DWR Safety Policies and Procedures as well as other applicable regulatory agencies (i.e., DOT, EPA, EPD) or established industry standards (i.e., NFPA 70E) where required by Federal, State, or local regulations. Service providers may follow their own policies and procedures, provided they are equal to or more stringent than applicable standards.

b. Contractor will ensure they provide an accurate headcount to the DWR key contact should conditions warrant a facility evacuation. These situations include fire, chemical spill, etc.

c. Contractor will contact 9-1-1- in the event of a serious injury or illness and notify the Gwinnett County Project Director/Manager immediately.

d. Contractor will require any subcontractors to adhere with all applicable laws and regulations.

e. Contractor will provide proof of employee safety training and/or programs within 2 business days to DWR…

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