1240BH25Q0002 Attachments.pdf

USDA Forest Service Project Specifications

07/19/2024 RAC Tanker Base – Tank Farm Transfer Switch 1

SPECIFICATION LIST

SPEC# DESCRIPTION

DIVISION 01: GENERAL

01 10 00 SUMMARY

01 15 00 DEFINITION OF PAY ITEMS

01 73 00 EXECUTION

01 73 30 MOBILIZATION PAYMENT PROCEDURES

01 78 39 PROJECT RECORD DOCUMENTS

DIVISION 26: ELECTRICAL

26 00 10 GENERAL TECHINCAL PROVISIONS

26 00 50 BASIC METHODS AND MATERIALS

26 36 00 TRANSFER SWITCH

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SECTION 01 10 00

SUMMARY

PART 1 - GENERAL

SUMMARY

Section Includes:

Project information.

Work covered by Contract Documents.

Government-furnished/Contractor-installed (GFCI) products.

Contractor's use of site and premises.

Coordination with occupants.

Work restrictions.

Specification and Drawing conventions.

PROJECT INFORMATION

A. Project Identification: Redmond Air Center Tanker Base – Tank Farm. Deschutes National Forest, Redmond Air Center.

B. Project Location: 1730 SE Ochoco Way, Redmond, OR 97756

WORK COVERED BY CONTRACT DOCUMENTS

A. The Work of Project is defined by the Contract Documents and consists of the following:

Provide and install a 600-amp automatic transfer switch and connect to temporary power backup generator (provided by government).

Alternative: Provide and install a 400-amp automatic transfer switch as an alternate and connect to temporary power backup generator provided by if 600-amp transfer switch is unavailable or has overly long lead time.

This is not an addition but an alternate if larger transfer switch is unavailable.

B. Includes all necessary materials and labor to furnish and install the transfer switch and connect to temporary power generator.

C. Reference all contract documents for all other Work to be completed as a part of this contract.

GOVERNMENT-FURNISHED/CONTRACTOR-INSTALLED (GFCI) PRODUCTS

A. Government-Furnished/Contractor-Installed (GFCI) Products:

Temporary Power Generator

CONTRACTOR'S USE OF SITE AND PREMISES

A. Use of Site: Limit use of Project site to Work in areas within the Contract limits indicated.

Do not disturb portions of Project site beyond areas in which the Work is indicated.

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Driveways, Walkways, and Entrances: Keep driveways, roads, and entrances serving premises clear and available to Government, Government's employees, and emergency vehicles at all times. Do not use these areas for parking or for storage of materials.

B. Condition of Existing Grounds: Maintain portions of existing grounds, landscaping, and hardscaping affected by construction operations throughout construction period. Repair damage caused by construction operations.

COORDINATION WITH OCCUPANTS

A. Full Government Occupancy: Government will occupy site and existing adjacent buildings during entire construction period. Cooperate with Government during construction operations to minimize conflicts and facilitate Government and public usage. Perform the Work so as not to interfere with Government day-to-day operations. Maintain existing exits, unless otherwise indicated.

WORK RESTRICTIONS

A. Work Restrictions, General: Comply with restrictions on construction operations.

1. Comply with limitations on use of public streets and with other requirements of authorities having jurisdiction.

B. On-Site Work Hours: To be coordinated with RAC Facilities personnel.

C. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Government or others unless permitted under the following conditions and then only after providing temporary utility services according to requirements indicated:

Notify Government not less than three days in advance of proposed utility interruptions.

Obtain Government's written permission before proceeding with utility interruptions.

SPECIFICATION CONVENTIONS

A. Specification Content: The Specifications use certain conventions for the style of language and the intended meaning of certain terms, words, and phrases when used in particular situations. These conventions are as follows:

Imperative mood and streamlined language are generally used in the Specifications.

The words "shall," "shall be," or "shall comply with," depending on the context, are implied where a colon (:) is used within a sentence or phrase.

Specification requirements are to be performed by Contractor unless specifically stated otherwise.

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXECUTION (NOT USED)

END OF SECTION 01 10 00

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SECTION 01 15 00

DEFINITION OF PAY ITEMS

PART 1 - GENERAL

SUMMARY

A. The intent of this section is to explain, what is and what is not included in a pay item, and the limits or cut-off points where one pay item ends and another begins.

B. If no pay item exists for a portion of the work, include the costs in a related pay item.

PAY ITEMS

PAY ITEM NO. 01 – MOBILIZATION AND DEMOBILIZATION

A. This pay item consists of mobilization and demobilization. Bond premium shall be included within this pay item.

B. The lump sum shall be full compensation for the preparation and completion of all labor, equipment, tools, and incidentals to complete this item.

PAY ITEM NO. 02 – TRANSFER SWITCH (600-AMP)

Provide and install a 600-amp automatic transfer switch and connect to temporary power backup generator (provided by government).

Includes all necessary materials and labor to furnish and install the transfer switch and connect to temporary power generator.

C. The lump sum shall be full compensation for the preparation and completion of all labor, equipment, tools, and incidentals to complete this item.

1.01 ALTERNATIVE ITEM NO. 01 – TRANSFER SWITCH (400-AMP WITH 400 AMP

BREAKER)

Provide and install a 400-amp automatic transfer switch and connect to temporary power backup generator provided by if 600-amp transfer switch is unavailable or has overly long lead time.

This is not an addition but an alternate if larger transfer switch is unavailable.

Includes all necessary materials and labor to furnish and install the transfer switch and connect to temporary power generator.

The lump sum shall be full compensation for the preparation and completion of all labor, equipment, tools, and incidentals to complete this item.

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SECTION 01 73 00

EXECUTION

PART 1 - GENERAL

SUMMARY

Section includes general administrative and procedural requirements governing execution of the Work including, but not limited to, the following:

Construction layout and staking.

Field engineering.

Installation of the Work.

Cutting and patching.

Progress cleaning.

Starting and adjusting.

Protection of installed construction.

Related Requirements:

Section 011000 "Summary" for limits on use of Project site.

QUALITY ASSURANCE

Manufacturer's Installation Instructions: Obtain and maintain on-site manufacturer's written recommendations and instructions for installation of products and equipment.

PART 2 - PRODUCTS

MATERIALS

General: Comply with requirements specified in other Sections.

PART 3 - EXECUTION

EXAMINATION

Existing Conditions: The existence and location of underground and other utilities and construction indicated as existing are not guaranteed. Before beginning sitework, investigate and verify the existence and location of underground utilities, mechanical and electrical systems, and other construction affecting the Work.

Before construction, verify the location and invert elevation at points of connection of sanitary sewer, storm sewer, and water-service piping; underground electrical services; and other utilities.

Examination and Acceptance of Conditions: Before proceeding with each component of the Work, examine substrates, areas, and conditions, with Installer or Applicator present where indicated, for compliance with requirements for installation tolerances and other conditions affecting performance. Record observations.

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Written Report: Where a written report listing conditions detrimental to performance of the Work is required by other Sections, include the following:

Description of the Work.

List of detrimental conditions, including substrates.

List of unacceptable installation tolerances.

Recommended corrections.

Proceed with installation only after unsatisfactory conditions have been corrected.

Proceeding with the Work indicates acceptance of surfaces and conditions.

PREPARATION

Existing Utility Information: Furnish information to local utility and Government that is necessary to adjust, move, or relocate existing utility structures, utility poles, lines, services, or other utility appurtenances located in or affected by construction. Coordinate with authorities having jurisdiction.

Field Measurements: Take field measurements as required to fit the Work properly.

Recheck measurements before installing each product. Where portions of the Work are indicated to fit to other construction, verify dimensions of other construction by field measurements before fabrication. Coordinate fabrication schedule with construction progress to avoid delaying the Work.

Review of Contract Documents and Field Conditions: Immediately on discovery of the need for clarification of the Contract Documents caused by differing field conditions outside the control of Contractor, submit a request for information to Contracting Officer.

CONSTRUCTION LAYOUT

Verification: Before proceeding to lay out the Work, verify layout information shown on Drawings, in relation to the property survey and existing benchmarks. If discrepancies are discovered, notify Contracting Officer promptly.

INSTALLATION

General: Locate the Work and components of the Work accurately, in correct alignment and elevation, as indicated.

Comply with manufacturer's written instructions and recommendations for installing products in applications indicated.

Install products at the time and under conditions that will ensure the best possible results.

Maintain conditions required for product performance until Substantial Completion.

Conduct construction operations so no part of the Work is subjected to damaging operations or loading in excess of that expected during normal conditions of occupancy.

Sequence the Work and allow adequate clearances to accommodate movement of construction items on site and placement in permanent locations.

Tools and Equipment: Do not use tools or equipment that produce harmful noise levels.

Hazardous Materials: Use products, cleaners, and installation materials that are not considered hazardous.

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Remove and replace damaged, defective, or non-conforming Work.

PROGRESS CLEANING

General: Clean Project site and work areas daily, including common areas. Enforce requirements strictly. Dispose of materials lawfully.

Comply with requirements in NFPA 241 for removal of combustible waste materials and debris.

Do not hold waste materials more than seven days during normal weather or three days if the temperature is expected to rise above 80 deg F.

Containerize hazardous and unsanitary waste materials separately from other waste.

Mark containers appropriately and dispose of legally, according to regulations.

Use containers intended for holding waste materials of type to be stored.

Coordinate progress cleaning for joint-use areas where Contractor and other contractors are working concurrently.

Site: Maintain Project site free of waste materials and debris.

Work Areas: Clean areas where work is in progress to the level of cleanliness necessary for proper execution of the Work.

Remove liquid spills promptly.

Installed Work: Keep installed work clean. Clean installed surfaces according to written instructions of manufacturer or fabricator of product installed, using only cleaning materials specifically recommended. If specific cleaning materials are not recommended, use cleaning materials that are not hazardous to health or property and that will not damage exposed surfaces.

Concealed Spaces: Remove debris from concealed spaces before enclosing the space.

Waste Disposal: Do not bury or burn waste materials on-site. Do not wash waste materials down sewers or into waterways. Dispose of materials at designated disposal site or licensed landfill as required by these specifications.

During handling and installation, clean and protect construction in progress and adjoining materials already in place. Apply protective covering where required to ensure protection from damage or deterioration at Substantial Completion.

Clean and provide maintenance on completed construction as frequently as necessary through the remainder of the construction period. Adjust and lubricate operable components to ensure operability without damaging effects.

Limiting Exposures: Supervise construction operations to ensure that no part of the construction, completed or in progress, is subject to harmful, dangerous, damaging, or otherwise deleterious exposure during the construction period.

STARTING AND ADJUSTING

Start equipment and operating components to confirm proper operation. Remove malfunctioning units, replace with new units, and retest.

Adjust equipment for proper operation. Adjust operating components for proper operation without binding.

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Test each piece of equipment to verify proper operation. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and equipment.

PROTECTION OF INSTALLED CONSTRUCTION

Provide final protection and maintain conditions that ensure installed Work is without damage or deterioration at time of Substantial Completion.

Comply with manufacturer's written instructions for temperature and relative humidity.

END OF SECTION 01 73 00

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SECTION 01 73 30.00

MOBILIZATION

PART 1 - GENERAL

1.01 SUMMARY

A. Move personnel, equipment, material, and incidentals to the project, and perform all activities necessary to accomplish work at the project site. Obtain permits, insurance, and bonds.

1.02 MEASUREMENT

A. Method: Measure mobilization by the lump sum.

1.03 PAYMENT

A. The accepted quantity, measured as provided above, will be paid at the contract price per unit of measurement for the pay item (01) that is designated in the SCHEDULE OF

ITEMS.

B. The mobilization lump sum will be paid as follows:

1. If applicable, bond premiums will be reimbursed according to FAR clause 52.232-5, Payment Under Fixed-Price Construction Contracts, after receipt of evidence of payment.

2. Fifty percent of the lump sum, not to exceed 5 percent of the original contract amount, will be paid following completion of 5 percent of the original contract amount, not including mobilization.

3. Payment of the remaining portion of the lump sum, up to 10 percent of the original contract amount, will be paid following completion of 10 percent of the original contract amount, not including mobilization.

4. Any portion of the lump sum in excess of 10 percent of the original contract amount will be paid after final acceptance.

PART 2 - PRODUCTS NOT USED

PART 3 - EXECUTION NOT USED

END OF SECTION 01 73 30

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SECTION 01 78 39

PROJECT RECORD DOCUMENTS

PART 1 - GENERAL

SUMMARY

Section includes administrative and procedural requirements for project record documents, including the following:

Record Product Data.

CLOSEOUT SUBMITTALS

Record Product Data: Submit annotated PDF electronic files and directories of each submittal.

Where record Product Data are required as part of operation and maintenance manuals, submit duplicate marked-up Product Data as a component of manual.

RECORD PRODUCT DATA

Preparation: Mark Product Data to indicate the actual product installation where installation varies substantially from that indicated in Product Data submittal.

Give particular attention to information on concealed products and installations that cannot be readily identified and recorded later.

Include significant changes in the product delivered to Project site and changes in manufacturer's written instructions for installation.

Note related Change Orders where applicable.

Format: Submit record Product Data as annotated PDF electronic file.

MAINTENANCE OF RECORD DOCUMENTS

Recording: Maintain one copy of Drawings, Specifications, and each submittal during the construction period for project record document purposes. Post changes and revisions to project record documents as they occur; do not wait until end of Project.

Maintenance of Record Documents and Samples: Store record documents and samples in the field office apart from the Contract Documents used for construction. Do not use project record documents for construction purposes. Maintain record documents in good order and in a clean, dry, legible condition, protected from deterioration and loss. Provide access to project record documents for Contracting Officer's reference during normal working hours.

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXECUTION (NOT USED)

END OF SECTION 01 78 39

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SECTION 26 00 10

GENERAL TECHNICAL PROVISIONS

PART 1 - GENERAL

1.01 SUMMARY

A. The requirements listed in this section are supplemental to the Division 01 General

Requirements.

B. It shall be the responsibility of the Electrical and Low-voltage Contractors to examine and refer to all specifications for construction conditions which may affect the scope of Electrical, Communications, Electronic Safety and Security work. Inspect the building site and existing facilities for verification of present conditions. Make proper provisions for these conditions in performance of the work and cost thereof.

C. Electrical, Electronic Safety and Security work for this project shall include all items, articles, materials and the associated labor mentioned, schedules or shown in these specifications and in the accompanying drawings.

D. Furnish and install all equipment, materials and any required incidental items required by good practice to complete the systems described herein.

E. Refer to Division 01 for all listed Alternates and provide separate pricing and work as indicated in Division 01 and Contract Documents.

1.02 DEFINITIONS

A. Contract documents - All drawings, specifications, addenda and change orders that document work to be done.

B. Demolition – Carefully disconnect and remove items. All reasonable caution shall be taken to avoid damaging removed equipment and to retain its operability.

C. Remove back to source - Remove all conduit and wire back to panelboard or last live device.

D. Equivalent or equal - Product of like type and function that complies with all applicable provisions of drawings and specifications and which has been approved as substitute for specified item.

E. Furnish - Purchase material as shown and specified, and place material to approved location on site or elsewhere as noted or agreed upon.

F. Install - Set in place and connect, ready for use and in complete and properly operating finished condition.

G. Provide - Furnish and install with all products, labor, sub-contracts, and appurtenances required for a complete and properly operating, finished condition.

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H. Rough-in - Provide conduit raceway system with junction boxes, fittings, straps, BUSHINGS, etc., for future installation of wiring, devices, disconnects and breakers.

Provision shall be made in panelboard (hardware, etc.) for future installation of breakers.

I. Serviceable - Arranged so that component or product in question may be properly removed and replaced without disassembly, destruction or damage to surrounding installation.

1.03 CODES, STANDARDS AND REGULATIONS

A. Codes - Perform all work in strict accordance with all applicable national, state and local codes; including, but not limited to latest legally enacted editions of following codes:

1. NFPA 70, National Electric Code – NEC

2. NFPA 72, National Fire Alarm Code

3. ANSI-C2, National Electrical Safety Code – NESC

4. International Building Code – IBC

5. International Fire Code – IFC

6. International Energy Conservation Code – IECC

B. Standards - Reference to standards infers that installation, equipment and material shall be within limits for which it was designed, tested and approved, in conformance with current publications and standards of following organizations:

1. American National Standards Institute – ANSI

2. American Society for Testing and Materials – ASTM

3. American Society of Heating Refrigerating and Air Conditioning Engineers –

ASHRAE (Standard 90-75)

4. Institute of Electrical and Electronics Engineers – IEEE

5. Insulated Cable Engineers Association – ICEA

6. National Electrical Contractors Association – NECA

7. National Electrical Manufacturers' Association – NEMA

8. National Fire Protection Association – NFPA

9. Occupational Safety and Health Administration – OSHA

10. Underwriters' Laboratories, Inc. – UL

11. Rules and Regulations of the State/Local Fire Marshal

12. Standards and Requirement of the Serving Utilities

13. State and Local Ordinances

C. Regulations - Design has been performed in accordance with applicable regulations and guidelines noted below. Contractor shall carefully apply these regulations and bring any discrepancies to immediate attention of Architect/Engineer.

1. Americans with Disabilities Act – ADA

2. Architectural Barriers Act – ABA

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1.04 FEES AND PERMITS

A. Electrical Contractor shall pay for all permits or fees in connection with electrical work.

Fees shall include any or all user fees, government fees, system development fees, connection fees or other fees that are required to be paid before systems can be connected or used.

B. Schedule all required electrical inspections with local electrical inspector. Notify engineer of all items of discrepancy noted by electrical inspector if those items affect cost or function of system, or if they conflict with electrical drawings and specifications.

C. All Utility Cost and fees from the utility work shall be the responsibility of the Owner.

Contractor to coordinate all utility requirements, standards and responsibilities with serving utility for a complete scope of work prior to bid.

D. Deliver all inspection certificates to USFS prior to final acceptance of work.

E. Inspections: Arrange for all permits and inspections of the work by the local or state authority having jurisdiction (AHJ) over the construction. Final inspection and acceptance of the work will be made only after all certificates of inspections, including final certificate of acceptance of the work by the inspection authority have been forwarded to the COR.

1.05 CONTRACTOR’S RESPONSIBILITY

A. Contractor shall be responsible for installation of complete and functional piece of work in accordance with true intent of contract documents. Provide all incidental items required for complete installation and satisfactory operation of all equipment, whether or not specifically noted in contract documents

B. QUALIFICATIONS

1. Contractor shall employ on this project, capable, experienced and reliable foreman and such skilled workmen as may be required for various classes of work to be performed.

2. Where special skills and certification are required, Contractor shall ensure that work is performed by individuals with required experience, skill and certification.

3. If, in Engineer's opinion, Contractor's employees do not possess necessary qualifications to perform specialty work, Contractor will be required to obtain services of workmen who are approved by manufacturer and certified by applicable agency or group. These workmen, if required, shall be provided at no additional expense.

4. Refer to other specification sections for additional required contractor qualifications and certification.

C. LICENSING AND CERTIFICATION - All Division 26 work shall be accomplished by Electricians, licensed by state in which work is being done, certified as required, and skilled in their craft. Electrician may elect to hire subcontractors for portions of work who are not

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1.06 REVIEW

A. All work and material is subject to review at any time by the USFS. If the USFS finds material that does not conform to these specifications or that is not properly installed or finished, correct the deficiencies in a manner satisfactory to the USFS at the Contractor’s expense.

1.07 WARRANTY

A. The Contractor shall guarantee that all materials and labor installed are new and of first quality and that any material or labor found defective shall be replaced without cost to the Owner within one (1) year after substantial completion of the Contract. The guarantee shall list the date of the beginning of the one (1) year period, which shall be the date that the Substantial Completion Certificate is issued.

B. Any damage to the building, caused by defective work or material of the Contractor within the above-mentioned period, shall be satisfactorily repaired without cost to the Owner.

C. The guarantee does not include maintenance of equipment. The Owner shall accept full responsibility for proper operation and maintenance of equipment immediately upon substantial completion and occupancy of the building.

D. Final acceptance by the Owner will not occur until all operating instructions are mounted in Equipment Rooms and Operating Personnel thoroughly indoctrinated in the operation of all electrical equipment by the Contractor.

E. No equipment installed as part of this project shall be used for temporary heat during construction.

PART 2 - PRODUCTS

MATERIALS AND EQUIPMENT

A. Manufacturer’s trade names and catalog numbers listed are intended to indicate the quality of equipment or materials desired. Manufacturers not listed in the specification will be considered substitutions and must have prior approval.

B. Electrical equipment may be installed with manufacturer’s standard finish and color except where specific color, finish or choice is indicated. If the manufacturer has no standard finish, equipment shall have a prime coat and two finish coats of gray enamel.

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C. This Contractor shall be responsible for materials and equipment installed under this contract.

Contractor shall also be responsible for the protection of materials and equipment of others from damage as a result of his work.

D. Manufactured material and equipment shall be applied, installed, connected, erected, used, cleaned and conditioned as directed by manufacturer unless herein specified to the contrary.

E. Store materials and equipment indoors at the job site or, if this is not possible, store on raised platforms and protect from the weather by means of waterproof covers. Coverings shall permit circulation of air around the materials to prevent condensation of moisture. Screen or cap openings in equipment to prevent the entry of vermin.

SUBSTITUTION OF MATERIALS

Where substituted equipment requires structural, architectural, mechanical, plumbing or electrical work that differs from basic design, cost of all changes, including re-design, shall be responsibility of contractor using substitution.

SUBMITTAL DEFINITIONS

Product Data: Provide manufacturers cut sheets that include general product information including but not limited to: Model Number, physical data, nominal capacities, rough-in requirements.

Performance data: Provide detailed performance and capacities based on project specific requirements including but not limited to: voltage, phase, amperage, overcurrent protection, conductor size, conductor material, conduit size, color temperature, color rendering index, life expectance, efficacy, efficiency, IP ratings, light distribution types and lighting control.

Shop Drawings: Provide detailed drawings of the equipment showing overall dimensions, location of electrical connection, location of anchorage points, location of electrical and control panels, and all operating, service and maintenance clearances.

Delegated Design: Provide detailed drawings prepared and stamped by a registered Professional Engineer that detail pertinent design criterial, the materials and products to be installed and the required installation locations.

Wiring Diagram: Provide diagrams that identify and detail required field wiring.

Color Chart: Provide a physical color chart of material samples required for selection of equipment colors.

SAMPLES

Where, in Engineer’s opinion, product sample is required in order to determine appearance, quality, workmanship or operation, Contractor shall submit actual production samples of item in question.

Samples will be returned to Contractor. Approved samples may be used.

All costs incurred in providing and returning samples will be Contractor's responsibility.

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PRODUCT AND SYSTEM SUBMITTALS

Submittals will be required for each piece of equipment, material or product as noted in the table below. All submittal shall be submitted, reviewed and all discrepancies addressed prior to ordering equipment or starting work. Any equipment ordered without having first completed the submittal process is done at the risk of the contractor. Any work performed prior to completing the submittal process is done at the risk of the contractor.

SUBMITTAL DEFINITIONS

Product Data: Provide manufacturers cut sheets that include general product information including but not limited to: Model Number, physical data, nominal capacities, rough-in requirements.

Performance Data: Provide detailed performance and capacities based on project specific requirements including but not limited to: voltage, phase, amperage, overcurrent protection, conductor size, conductor material, conduit size, color temperature, color rendering index, life expectance, efficacy, efficiency, IP ratings, light distribution types and lighting control.

Shop Drawings: Provide detailed drawings of the equipment showing overall dimensions, location of electrical connection, location of anchorage points, location of electrical and control panels, and all operating, service and maintenance clearances.

Delegated Design: Provide detailed drawings prepared and stamped by a registered Professional Engineer that detail pertinent design criterial, the materials and products to be installed and the required installation locations.

Wiring Diagram: Provide diagrams that identify and detail required field wiring.

Color Chart: Provide a physical color chart of material samples required for selection of equipment colors.

SUB-CONTRACTORS

With shop drawing submittals, Contractor shall submit list of all sub-contractors to be used for the project.

OPERATION AND MAINTENANCE MANUALS

Operation and Maintenance Manuals (O&M Manuals) shall contain any relevant information to transfer switch operation.

PART 3 - EXECUTION

GENERAL

Follow manufacturer's directions in delivery, storage, protection and installation of equipment and materials.

Notify COR of any conflicts between manufacturer's instructions and contract documents.

WIRING METHODS

Concealed Wiring: Install all wiring, raceway, boxes, fittings, etc., concealed unless otherwise specified or shown on the drawings.

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Installation: Install equipment and materials, align, level and adjust for satisfactory operation. Install equipment so that all parts are easily accessible for inspection, operation, maintenance and repair.

Structural Openings: Obtain written permission of the COR before cutting or piercing structural members. Install sleeves of black iron pipe sized to accommodate the penetration. All openings in structure made by parts piercing waterproofing shall be sealed and made watertight.

Sealing: Seal equipment raceways, boxes, etc., exiting through structures exposed to the weather and make watertight and insect-proof. Protect equipment outlets and conduit openings at all times that work is not in progress; utilize temporary plastic plugs or caps designed for the purpose. All penetrations through fire rated walls and floors shall be fire sealed with UL listed fire rated material, Required Clearances: Comply with NEC Art 110-26. No grounded equipment will be allowed in this clearance space.

Equipment Mounting:

Position of Outlets: Center all outlets with regard to building lines, furring and trim.

Symmetrically arrange outlets in the room. Set outlets plumb and extend flush outlets to the finished surface of the wall, ceiling or floor without projecting beyond same.

Mounting Heights: Conform to the following mounting height requirements unless otherwise indicated on the drawings by detail or by a plus dimension shown adjacent to the symbol. Mounting heights indicate for pendant mounted devices are to the bottom of the device; mounting heights indicated for outlets and similar devices are to the center of the box unless otherwise indicated.

DEVICE MOUNTING HEIGHT

Toggle switches & push-button stations 48 inches Receptacle outlets & similar devices 18 inches Safety switches 60 inches to top Motor control center 92 inches to top Panelboards and control panels 72 inches Exterior WP convenience outlets 24 inches above grade Bracket lights 84 inches Junction box on wall 12 inches Ceiling mounted light fixtures In/On Ceiling or hung as indicated ADA pushbuttons As required by ADA

Installation of Outlet and Switch Boxes. Install boxes as follows:

Outlets cut into the back splash of any table or counter shall be at the proper height for the equipment.

Cover switches and receptacles to protect them from painting, particularly spray painting.

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Install floor boxes at the proper level and adjusted to the floor to provide a true and level elevation with the finished floor surfacing.

Where outlet boxes are required adjacent to each other at the same mounting height, install with a gang type box and cover.

Securely fasten devices to outlet box with face flush with plate. Device plates shall be plumb.

Adjust the mounting height of boxes as required to insure practical cutting of masonry units and symmetrical positioning with respect to masonry joints.

Locate light outlets in acoustical tile ceilings either at the joint between tiles or in the center of the tile.

Where outlet boxes are mounted in a common wall between different areas, offset 9", and if connected, flexible conduit a minimum of 24" in length shall be used.

Junction Boxes and Pull Boxes: Install junction and pull boxes in locations that will be accessible after completion of the installation. In general, provide boxes to limit branch circuit conduit runs to 125 feet and to limit bends to the equivalent of 270 degrees.

Additional boxes may be provided to facilitate wire pulling.

External Junction Box Sealing: Seal conduits entering external junction and outlet boxes on outer side of structure with duct seal for three inches to prevent moisture entrance.

MOUNTING HARDWARE

See section 260050 for mounting hardware for equipment and raceways.

CONDUCTORS

General: Circuit all feeders and branch circuits as shown on the drawings. Provide copper conductors for interior and exterior building wiring. Aluminum conductors will not be permitted.

Conductor and associated conduit sizes shown on drawings are for copper.

The complete circuit shall be size indicated on drawings, unless otherwise noted.

Control and Motor Power Circuit Conductors: Provide stranded copper, THWN conductors for control and motor power circuits in conduit, unless otherwise shown on drawings.

Minimum size No. 12 AWG, 12 strand. All conductors 12 AWG and larger to be stranded.

Provide color coding to match control panel terminal block conductors. Control panel wiring diagrams will be furnished to show conductor colors.

For motor power circuits larger than No. 8 AWG, color coded vinyl plastic tape will be permitted in lieu of continuous insulation colors.

Minimum Conductor Size (All wiring except control panels): Provide No. 12 AWG copper minimum size for branch circuits and control circuits unless otherwise specified, shown on the drawings, or required by overcurrent protection.

Wiring between fluorescent, LED, high pressure sodium, metal halide fixtures and junction box; two #12 AWG, type XHHW or THNN and #12 ground wire minimum.

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Wire for low voltage control system and sound system is specified under the respective systems and wiring methods.

600V Conductors: Provide one of the conductor types indicated for the function and location listed below unless otherwise indicated on the drawings. Provide ground and neutral wires identical in size to circuit wires unless otherwise shown on drawings. At the Contractor's option, conductors with insulation systems rated for high operating temperatures may be substituted for lower temperature rated conductors; however, no reduction in conductor size will be permitted from that indicated on the drawings. When using smaller overall diameter wire than THW, do not reduce conduit size below that required for type THW insulated conductor.

Provide a separate neutral conductor for each phase conductor unless otherwise shown on drawings.

INSULATION TYPE

LOCATION THW THHN

THWN

XLP-

USE

XHHW

or

THHN

MC cable Steel jacket 20A branch circuits only

NMSC

20A branch circuits only

Lighting Circuits, Interior General

X X X X

Inside Lighting Fixture Wiring Compartments

X

Branch Receptacle Circuits

X X X X

Motor Circuits and Controls

X X

Power Outlets X X

Feeders X X

Service Overhead X X

Underground - in Raceway

X

Outside - All Other Locations

X

Derating: Derate circuits which are combined by increasing wire size above the minimum shown on the drawings to the full ampacity shown in Tables NEC 310-16 and 310-17 according to Table 310-15(b)(2)(a).

Identification:

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Furnish factory color coded 600V wire size No. 6 AWG and smaller as follows:

120/240V 120/208V 120/240V 277/480V

3-PHASE 3-PHASE 1-PHASE 3-PHASE

Phase A Black Black Black Brown Phase B Orange (wild leg) Red Red Orange Phase C Blue Blue Yellow Neutral White White White Gray Ground Green Green Green Green Utilize orange for the 4-wire, delta-connected systems only to identify the phase having higher than 120 volts to ground (wild leg), or 120/240V 3 phase.

Phase code wire size No. 4 AWG and larger utilizing waterproof, non-metallic, colored pressure sensitive tape at all boxes, switchboards, panelboards and at equipment served.

IDENTIFICATION NAMEPLATES

Provide engraved plastic nameplates for all electrical equipment as follows:

Panelboards. Indicate panel name, voltage, and phase, number of wires, and Delta or Y if 3 phase.

Control Cable (Indicate source).

Cabinets (control, signal, communications).

Disconnect switches.

Individually mounted circuit breakers and motor starters.

All controlled devices (motors, solenoids, furnaces, unit heaters, VAV boxes, and all other controlled equipment. etc.). Labels to correspond to schematic diagrams, and motor name.

All pilot devices and sensors (flow switches, float switches, transmitters [temperature, level, pressure, RH, flow, kWH and all others, flow meters, etc.).

Labels to correspond to schematic diagrams, and pilot device name.

Time clocks.

Remote control stations.

Photo Electric controls.

Identify all exposed feeder and branch conduit and control cables with nameplates.

Designate the apparatus served and the voltage of the circuit. Identify each conduit once in each room, or space, where it is exposed.

Mount labels with machine screws, except where screw penetration will injure equipment, contact or epoxy cement or ty-raps may be used.

Splices in splice vaults: Indicate circuit number's point of origin, voltage and phase if power cable, and point of disconnecting means.

Provide 4" x 6" nameplate at each power panel service or control center with the following designations:

Electrical Contractor.

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Panel name, Installation date and system voltage, phase, number of wires, "delta" or "Y" (208Y/120 Volt, 3 phase, 4W) or (120/240 Volt, 3 phase, 4W Delta) example, and amperage of panel bus.

WIRE NUMBERS

Label each end of each power and control conductor, IT wiring cables, control cables, entering each motor control panel on the load side of the connection terminal block and at each external controlled or pilot device (motor, sensor, float switch, disconnect, etc.) in its connection junction box, and any intermediate terminal or junction box with a machine numbered band.

Equipment or panels that are being replaced shall have wire numbers put on each conductor prior to removing equipment and a drawing of the connections be made for reconnection of the conductors.

Label all branch circuits in power distribution panels and all junction boxes and at all terminations, disconnects, outlets etc, with numbers corresponding to circuit numbers.

Wire numbers shall correspond to control panel schematic and wiring diagram's external connection terminal numbers.

CONDUCTOR INSTALLATION

Keep all conductors within the manufacturer’s allowable tension limits during installation.

Use lubricants for wire pulling intended for use with the insulation and raceway material.

Observe cable manufacturer's and industry standard cable bending radius recommendations. Do not install conductors at temperatures less than 30 degrees F.

SPLICING AND TERMINATIONS

General: Provide all splices and terminations including all required hardware for a complete installation. Underground splice details are shown on drawings.

Provide overall insulation equal to that of the conductors utilized. Insulation may be vinyl plastic tape, preformed insulating covers, cast-in-place encapsulating, insulating resin, or heat shrinkable tubing as appropriate for the installation of a completely insulated system.

SPLICE VAULTS

Inspect actual field conditions at the proposed location for each splice vault and verify that it is free from interference with other utilities and free of flooding due to the characteristic flow of surface water. Make minor relocations required to clear obstructions and minimize flooding.

EQUIPMENT SUPPORTS

Raceway Supports: Support raceways with wall brackets, perforated channel, pipe hangers, or ceiling trapezes. Run conduit parallel and perpendicular with each other and building lines. Wire, chain, or perforated plumber's strap are not acceptable for raceway supports. Support conduit 8'-0" on centers max. and within 18" of termination. Use trapeze hangers, pipe hangers, or channel to support two or more conduits per run.

Equipment Bases: Provide equipment bases for all floor mounted electrical equipment.

Unless otherwise indicated, provide poured-in-place concrete bases, nominally 4 inches

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Supports: Provide hangers or other devices such as pads, channels, struts, joists, anchors, etc., necessary for the support of electrical equipment. Provide the design, fabrication and erection of supplementary structural framing required for attachment of hangers or other devices supporting electrical equipment. Show on shop drawing supplementary framing including design loads, member size, and location. Verify that dimensions are suitable for the equipment furnished. Provide additional strength when equipment furnished is heavier than that specified.

Provide unistrut mounting channel for equipment to walls floors. Provide stainless steel material for corrosive or outdoor locations.

WIRING AND DISCONNECTS

Provide power wiring including service to apparatus and line voltage (or low voltage if specified) control wiring.

Provide branch circuit wiring to each fixture and motor sized as shown on the drawings.

Verify motor characteristics prior to installing wiring. After connecting, check for proper rotation.

Contractor shall provide motor disconnects, where specified, shown or required by code, under this division of the specifications.

GROUNDING SYSTEM

General: Provide all grounding systems and make connections mechanically secure and electrically continuous. Ground all line and low voltage electrical systems completely and effectively as required by code and as specified herein.

Ground all raceway systems and equipment enclosures. Where not otherwise indicated, grounding conductor size shall conform to the most stringent of the governing codes.

Ground the system to exterior ground rods, foundation Ufer Ground conductor, and building cold water piping. Provide at each such grounding location two 3/4-inch diameter by 10-foot long copper-clad steel ground rods spaced 6 feet apart and connected to the system neutral.

Furnish bolted grounding conductor connections. All grounding points to be accessible after installation. A ground rod enclosure shall be provided flush at final grade with a lid to access ground connection.

Furnish an insulated green copper equipment ground conductor installed in each conduit sized for the largest branch circuit per NEC 250-122, unless otherwise noted.

For isolated ground circuits, furnish and install a green insulated with yellow striping, isolated ground conductor in addition to an insulated green copper equipment grounding conductor.

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Maintain continuity of equipment ground throughout the entire raceway, cabinet and equipment enclosure system. Use grounding bushings and jumpers wherever normal conduit termination does not ensure continuity. Where nonmetallic conduit is used for distribution or where direct burial cables are employed, install a green with one or more yellow stripes, insulated equipment ground conductor with each circuit.

At all sheet steel enclosures such as panel boards, load centers, intermediate junction boxes provide grounding locknuts with a ground conductor termination lug on each locknut.

Bond all grounding locknuts together to enclosure with copper conductors. Boxes less than 12” x 12” are not required to have conduit bonding, provide setscrew bonding locknuts. Outlets boxes 4”x4” and smaller may have locknuts only.

Bond metal parts of lighting fixtures not otherwise grounded by bolted fastenings to conduit system with bare copper wire.

Ground receptacles to outlet boxes with wire and machine screw.

Provide each electrical splice vault with one copper-clad steel ground rod, 5/8-inch diameter by 10 feet long, driven through the floor of the splice vault leaving 6 inches projecting above the vault floor.

In each splice vault, and at each termination and source, ground equipment grounding conductors and shields, medium voltage conductor shield drain wires from splices, metal splice enclosures, control cable shield and armor, if any.

SPLICE VAULT AND PAD GROUNDING

Where vaults or concrete pads are provided for transformers, provide grounding systems, including driven ground rods. Details on the drawings are to establish the general scope of work.

TESTS

General: Perform the tests as described below. Notify the COR in writing five days in advance of all tests in this and other sections of this specification. Perform all tests in the presence of the COR. Upon completion of all tests, submit written test results in duplicate for approval by the COR prior to acceptance.

Test Report Forms:

Submit a copy for approval of the proposed tabular data sheet to be used for each required test. Type column and heading titles on sheets. Submit data sheets for approval a minimum of 30 days before each test. Divide sheets into columns and rows with appropriate rulings and titles. Enter test data on tabular forms during tests by hand; do not recopy.

Furnish data in tabular form listing required test data, name of tested device, location, serial number, type and name of measurement instrument with scale settings.

Preliminary Tests (distribution panels and motor control panels)

Install all mechanical and electrical equipment before any preliminary electrical tests are made and final connections are made.

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Test all control and power conductors including neutrals and isolated grounds for insulation resistance and continuity as described below and in Section 260400 (before connection of conductors to control panels, controlled and pilot devices).

Connect all power and control conductors to distribution panels and control panel terminals after all preliminary tests have been done as described above.

Ground System Tests: Immediately after installation, before connection, test driven grounds and foundation ground. Test driven ground rods individually. The combined resistance of all grounded-together electrodes in a group shall not exceed 15 ohms at the main point of connection. Submit the results, date of test and soil conditions to the COR in writing immediately after testing. Tests shall be made with a 3-point probe tester (Associated Research Vibro Ground Tester or equivalent). A standard ohmmeter will not work for this test. Splice vault ground rod resistance shall be 25 ohms maximum.

Insulation Resistance: Test insulation resistance under normal climatic conditions.

Conform to the following:

Measure resistance between all insulated conductors (including neutral and isolated ground) and ground as well as each other. Coordinate testing with COR so that tests can be witnessed if desired.

For circuits with 600 V rated insulation, make insulation resistance measurements on each power distribution and control panel, main feeder and each branch circuit and all control circuits.