J.2 Statement of Work.pdf

SECTION C - DESCRIPTION/SPECIFICATIONS/STATEMENT OF WORK 000001-1

Section C - Description/Specifications/Statement of Work

GENERAL SPECIFICATIONS

ISLAND PARK TRAILER PARK RENOVATION (ELECTRICAL)

Final – 7/26/2022

1.1 SCOPE OF CONTRACT

A. This project is to renovate the electrical in the Island Park employee RV park. The work shown on the drawings may be awarded in whole or in part as indicated in the current contract.

B. The work includes:

1. General condition verification and cleaning of existing equipment with incidental work.

2. Removal of individual electrical services to the five west spurs.

3. Minor demolition (relocating), reworking, or extending existing electrical feeders at six interior spurs.

4. Installation of electrical feeder to the single spur on the southeast side.

C. Quantities associated with this contract may be modified as identified in the Schedule of Items and indicated in the drawings as modified by items being crossed out.

1.2 PROJECT LOCATION

A. The project is located at the Island Park Ranger Office of the Caribou-Targhee National Forest, 3726 US-20, Island Park, Idaho. It is located approximately 75 miles north of Idaho Falls, Idaho. The project is behind the office.

1.3 SITE INFORMATION AND LIMITATIONS

A. The following site conditions are considered incidental to the contract and the contractor will not be paid directly for any of the following items:

1. Construction sites are closed to the public during construction. The Contractor will be responsible for signing and limiting access.

2. Contractor will provide all materials and labor necessary to protect streams, wet or dry, during construction activities. The Contractor will be required to submit a stream protection plan and receive approval from the COR, in writing, prior to the beginning of construction.

3. All construction equipment shall be pressure washed before entering National Forest System lands. The removal of mud and debris from treads, tracks and undercarriage, with emphasis on axles, frame, cross-members, motor mounts, and underneath steps, running boards, and front bumper/brushguard assemblies will be

SECTION C - DESCRIPTION/SPECIFICATIONS/STATEMENT OF WORK 000001-2

required. The purpose is to reduce or eliminate the transportation of noxious weeds, which is required by Federal and State regulations.

4. Water is available at the site for construction purposes. The Contractor will be responsible for coordinating the installation of temporary power for the site and the cost for the service.

5. The Contractor shall provide temporary toilet facilities (porta-potty) at the site during all construction work.

1.4 TRAFFIC CONTROL AND CONSTRUCTION SIGNING

A. No work that endangers, interferes, or conflicts with traffic or access to work sites shall be performed until a plan for satisfactory warning and handling of traffic has been submitted by the contractor and approved by the COR and Idaho Department of Transportation. Construction signing for traffic control shall conform to the Manual of Uniform Traffic Control Devices (MUTCD). All traffic control signs will be placed in areas adequate for a truck pulling a fifth wheel trailer to be turned around. Contractor shall not be paid directly for this item, rather it will be considered incidental to other items of work listed in the Schedule of Items.

1.5 WORK CAMPS, STAGING AND STORAGE AREAS

A. Areas for staging operations and storage of materials shall be approved by the CO. The Contractor must request in writing for approval from the CO to stage trailers (work) on site.

B. No overnight camping will be allowed on compund without written approval from CO.

1.6 INSPECTION OF WORKSITE

A. The contractor acknowledges they have taken the necessary steps to ascertain the nature

1.7 and location of work, and have investigated and satisfied themselves as to the general and local conditions that can affect the work or its cost. Any failure of the contractor to take the actions described and acknowledged in this paragraph will not relieve the Contractor from the responsibility of estimating properly the difficulty and cost of successfully performing the work, or for proceeding to successfully perform the work without additional expenses to the government.

START DATE

Estimated work will begin July 10, 2023 and be completed within 60 calendar days.

1.8 CONTRACT TIME

A. 60 Calendar Days

1.9 SPECIFICATIONS

SandraSheppard Highlight

SECTION C - DESCRIPTION/SPECIFICATIONS/STATEMENT OF WORK 000001-3

A. The following specifications are attached. Some sections in the schedule of items refer to other sections not listed and are subsidiary to, or are included in payment for other pay items in this contract. These items are considered incidental and no additional compensation will be made.

SECTION 011900 - MOBILIZATION

SECTION 260500 - COMMON WORK RESULTS FOR ELECTRICAL

SECTION 260519 - LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS

SECTION 260526 - GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

SECTION 260533 - RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS

END OF SECTION C

July 2022

MOBILIZATION 011900-1

USDA FOREST SERVICE, R4

ISLAND PARK TRAILER PARK RENOVATION (ELECTRICAL)

SECTION 011900 - MOBILIZATION

PART 2 - GENERAL

2.1 SUMMARY

A. This item is intended to compensate the Contractor for operations including, but not limited to, those necessary for the movement of personnel, equipment, supplies, and incidentals to the project site; for payment of premiums for bonds and insurance for the project; and for any other work and operations which must be performed or costs that must be incurred incident to the initiation of meaningful work at the site and for which payment is not otherwise provided for under the contract.

2.2 MEASUREMENT AND PAYMENT

A. The measurement shall be lump sum for mobilization. Payment shall be as follows:

1. Bond premiums will be reimbursed after receipt of the evidence of payment.

2. 50% of the lump sum, not to exceed 5% of the original contract amount, will be paid following completion of 5% of the original contract amount not including mobilization and bond premiums.

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

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

5. Progress payments for mobilization and preparatory work shall be subject to retainage.

PART 3 - PRODUCTS (NOT USED)

PART 4 - EXECUTION (NOT USED)

END OF SECTION 011900

December 2022

COMMON WORK RESULTS FOR ELECTRICAL 260500-2

ISLAND PARK TRAILER PARK RENOVATION (ELECTRICAL)

SECTION 260500 - COMMON WORK RESULTS FOR ELECTRICAL

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Electrical equipment coordination and installation.

2. Common electrical installation requirements.

1.2 SUBMITTALS

A. Product Data:

1. For any substitutions for equipment referred to by name in Division 26 specifications or the drawings.

1.3 QUALITY ASSURANCE

A. The installation shall conform to the 2020 Edition of the National Electrical Code (NFPA

70) and to the requirements specified herein.

B. The Contractor shall perform all work necessary and required to accomplish the task as detailed on the drawings and discussed in the installation notes. All work shall be done by a state licensed electrician.

1.4 MEASUREMENT AND PAYMENT

A. The work in this section, including all incidentals in other electrical sections, shall be measured and paid for by the following methods as shown in the Schedule of Items:

1. Existing Distribution System - Lump Sum including full compensation for all labor, report, incidental materials noted and installation, and circuit identification for panelboards A, B and C. See drawing E202, Panel A, B, and C notes and schedules.

2. West Electrical Distribution System - Lump Sum including full compensation for all labor, materials, and incidentals necessary to complete the work as shown on the drawings including all wiring, trenching, bedding, backfill, and all other incidentals necessary for a functional system for the west five spurs.

3. Spur #, Electrical Work - Lump Sum including full compensation for all labor, materials, and incidentals necessary to complete the work as shown on the drawings including all wiring, trenching, bedding, backfill, and all other incidentals necessary for a functional system for the indicated spur.

PART 2 - PRODUCTS

COMMON WORK RESULTS FOR ELECTRICAL 260500-3

2.1 PRODUCTS REFERRED TO BY NAME

A. The materials referred to by trade name, make, or catalog number on the drawings shall be regarded as establishing a minimum standard of quality; substitutions of equal or greater quality can be made by submitting a data sheet of the proposed substituted item to the Contracting Officer, for approval.

PART 3 - EXECUTION

3.1 COMMON REQUIREMENTS FOR ELECTRICAL INSTALLATION

A. Comply with NECA 1.

B. Equipment: Install to facilitate service, maintenance, and repair or replacement of components of both electrical equipment and other nearby installations. Connect in such a way as to facilitate future disconnecting with minimum interference with other items in the vicinity.

C. Right of Way: Give to piping systems installed at a required slope.

END OF SECTION 260500

LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS 260519-1

ISLAND PARK TRAILER PARK RENOVATION (ELECTRICAL)

SECTION 260519 - LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Copper building wire rated 600 V or less.

2. Connectors, splices, and terminations rated 600 V and less.

1.2 MEASUREMENT AND PAYMENT

A. No separate measurement or payment will be made for work specified in this section. All work will be included in other items listed in the Schedule of Items.

PART 2 - PRODUCTS

2.1 COPPER WIRE

A. Description: Flexible, insulated and uninsulated, drawn copper current-carrying conductor with an overall insulation layer or jacket, or both, rated 600 V or less.

B. Standards:

1. Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and use.

C. Conductors: Copper, complying with ASTM B 3 for bare annealed copper and with ASTM B 8 for stranded conductors.

D. Conductor Insulation:

1. Type THHN/THWN-2: Comply with UL 83.

2. Type XHHW-2: Comply with UL 44.

2.2 CONNECTORS AND SPLICES

A. Description: Factory-fabricated connectors and splices of size, ampacity rating, material, type, and class for application and service indicated.

PART 3 - EXECUTION

3.1 CONDUCTOR MATERIAL APPLICATIONS

A. Circuits: Copper; solid for No. 10 AWG and smaller; stranded for No. 8 AWG and larger.

1. Aluminum conductors are prohibited.

LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS 260519-2

B. Exposed to Direct Sunlight: Sunlight resistant.

3.2 CONDUCTOR INSULATION AND WIRING METHODS

A. Service Entrance and Feeders: Type THHN/THWN-2 or XHHW, single conductors in raceway.

3.3 INSTALLATION OF CONDUCTORS

A. Complete raceway installation between conductor and cable termination points according to Section 260533 "Raceways and Boxes for Electrical Systems" prior to pulling conductors and cables.

B. Use manufacturer-approved pulling compound or lubricant where necessary; compound used must not deteriorate conductor or insulation. Do not exceed manufacturer's recommended maximum pulling tensions and sidewall pressure values.

C. Use pulling means, including fish tape, cable, rope, and basket-weave wire/cable grips that will not damage cables or raceway.

3.4 CONNECTIONS

A. Tighten electrical connectors and terminals according to manufacturer's published torque-tightening values. If manufacturer's torque values are not indicated, use those specified in UL 486A-486B.

B. Make splices, terminations, and taps that are compatible with conductor material.

C. Wiring at Outlets: Install conductor at each outlet, with at least 6 inches (150 mm) of slack.

END OF SECTION 260519

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526-1

ISLAND PARK TRAILER PARK RENOVATION (ELECTRICAL)

SECTION 260526 - GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes grounding and bonding systems and equipment.

1.2 MEASUREMENT AND PAYMENT

A. No separate measurement or payment will be made for work specified in this section. All work will be included in other items listed in the Schedule of Items.

PART 2 - PRODUCTS

2.1 SYSTEM DESCRIPTION

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

B. Comply with UL 467 for grounding and bonding materials and equipment.

2.2 CONDUCTORS

A. Insulated Conductors: Copper wire or cable insulated for 600 V unless otherwise required by applicable Code or authorities having jurisdiction.

B. Bare Copper Conductors:

1. Solid Conductors: ASTM B 3.

2.3 CONNECTORS

A. Listed and labeled by a Nationally Recognized Testing Laboratory (NRTL) acceptable to authorities having jurisdiction for applications in which used and for specific types, sizes, and combinations of conductors and other items connected.

B. Welded Connectors: Exothermic-welding kits of types recommended by kit manufacturer for materials being joined and installation conditions.

C. Bolted Connectors for Conductors and Pipes: Copper or copper alloy.

2.4 GROUNDING ELECTRODES

A. Ground Rods: Copper-clad steel; 3/4 inch by 10 feet (19 mm by 3 m).

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526-2

PART 3 - EXECUTION

3.1 APPLICATIONS

A. Conductors: Install solid conductor for No. 8 AWG and smaller, and stranded conductors for No. 6 AWG and larger unless otherwise indicated.

3.2 GROUNDING AT THE SERVICE

A. Equipment grounding conductors and grounding electrode conductors shall be connected to the ground bus. Install a main bonding jumper between the neutral and ground buses.

3.3 EQUIPMENT GROUNDING

A. Install insulated equipment grounding conductors with all feeders and branch circuits.

B. Trailer Pedestals: Install grounding electrode at all new and moved pedestals.

3.4 INSTALLATION

A. Grounding Conductors: Route along shortest and straightest paths possible unless otherwise indicated or required by Code. Avoid obstructing access or placing conductors where they may be subjected to strain, impact, or damage.

B. Ground Rods: Drive rods until tops are 2 inches (50 mm) below final grade unless otherwise indicated.

1. Interconnect ground rods with grounding electrode conductor below grade and as otherwise indicated. Make connections without exposing steel or damaging coating if any.

2. For grounding electrode system, install at least two rods spaced at least one-rod length from each other and located at least the same distance from other grounding electrodes, and connect to the service grounding electrode conductor at new service.

C. Connections: Make connections so possibility of galvanic action or electrolysis is minimized. Select connectors, connection hardware, conductors, and connection methods so metals in direct contact are galvanically compatible.

1. Use electroplated or hot-tin-coated materials to ensure high conductivity and to make contact points closer in order of galvanic series.

2. Make connections with clean, bare metal at points of contact.

3. Coat and seal connections having dissimilar metals with inert material to prevent future penetration of moisture to contact surfaces.

END OF SECTION 260526

RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS 260533-1

ISLAND PARK TRAILER PARK RENOVATION (ELECTRICAL)

SECTION 260533 - RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Metal conduits and fittings.

2. Nonmetallic conduits and fittings.

3. Boxes, enclosures, and cabinets.

4. Handholes and boxes for exterior underground cabling.

1.2 DEFINITIONS

A. GRC: Galvanized rigid steel conduit.

B. IMC: Intermediate metal conduit.

1.3 MEASUREMENT AND PAYMENT

A. No separate measurement or payment will be made for work specified in this section. All work will be included in other items listed in the Schedule of Items.

PART 2 - PRODUCTS

2.1 METAL CONDUITS AND FITTINGS

A. Metal Conduit:

1. Listing and Labeling: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

2. GRC: Comply with ANSI C80.1 and UL 6.

3. IMC: Comply with ANSI C80.6 and UL 1242.

4. PVC-Coated Steel Conduit: PVC-coated rigid steel conduit or IMC.

a. Comply with NEMA RN 1.

b. Coating Thickness: 0.040 inch (1 mm), minimum.

B. Metal Fittings:

1. Comply with NEMA FB 1 and UL 514B.

2. Listing and Labeling: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

3. Fittings, General: Listed and labeled for type of conduit, location, and use.

4. Coating for Fittings for PVC-Coated Conduit: Minimum thickness of 0.040 inch (1 mm), with overlapping sleeves protecting threaded joints.

RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS 260533-2

2.2 NONMETALLIC CONDUITS AND FITTINGS

A. Nonmetallic Conduit:

1. Listing and Labeling: Nonmetallic conduit shall be listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

2. RNC: Type EPC-40-PVC, complying with NEMA TC 2 and UL 651 unless otherwise indicated.

3. Rigid HDPE: Comply with UL 651A.

4. Continuous HDPE: Comply with UL 651A.

5. RTRC: Comply with UL 2420 BG (Below Ground).

B. Nonmetallic Fittings:

1. Fittings, General: Listed and labeled for type of conduit, location, and use.

2. Fittings for RNC: Comply with NEMA TC 3; match to conduit type and material.

3. Fittings for RTRC: Comply with NEMA TC 14.

4. Solvents and Adhesives: As recommended by conduit manufacturer.

2.3 BOXES, ENCLOSURES, AND CABINETS

A. General Requirements for Boxes, Enclosures, and Cabinets: Boxes, enclosures, and cabinets installed in wet locations shall be listed for use in wet locations.

B. Sheet Metal Outlet and Device Boxes: Comply with NEMA OS 1 and UL 514A.

2.4 HANDHOLES AND BOXES FOR EXTERIOR UNDERGROUND WIRING

A. General Requirements for Handholes and Boxes:

1. Boxes and handholes for use in underground systems shall be designed and identified as defined in NFPA 70, for intended location and application.

2. Boxes installed in wet areas shall be listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

3. Standard: Comply with SCTE 77.

4. Configuration: Designed for flush burial with open bottom unless otherwise indicated.

5. Cover: Weatherproof, secured by tamper-resistant locking devices and having structural load rating consistent with enclosure and handhole location.

6. Cover Finish: Nonskid finish shall have a minimum coefficient of friction of 0.50.

7. Cover Legend: Molded lettering, "ELECTRIC".

B. Fiberglass Handholes and Boxes: Molded of fiberglass-reinforced polyester resin, with frame and covers of fiberglass.

PART 3 - EXECUTION

3.1 RACEWAY APPLICATION

RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS 260533-3

A. Outdoors: Apply raceway products as specified below unless otherwise indicated:

1. Exposed Conduit: GRC or IMC.

2. Underground Conduit: GRC or IMC.

a. Once the direct buried conduit extends beyond 5-ft (1.5-m) of initial grade penetration or building foundation penetration, whichever is greater: HDPE, RTRC, or RNC, Type EPC-40-PVC direct buried may be substituted.

3. Boxes and Enclosures, Aboveground: NEMA 250, Type 3R.

B. Raceway Fittings: Compatible with raceways and suitable for use and location.

1. Rigid and Intermediate Steel Conduit: Use threaded rigid steel conduit fittings unless otherwise indicated. Comply with NEMA FB 2.10.

2. PVC Externally Coated, Rigid Steel Conduits: Use only fittings listed for use with this type of conduit. Patch and seal all joints, nicks, and scrapes in PVC coating after installing conduits and fittings. Use sealant recommended by fitting manufacturer and apply in thickness and number of coats recommended by manufacturer.

3.2 HANDHOLE APPLICATION

A. Application of Handholes and Boxes for Underground Wiring:

1. Handholes and Pull Boxes Subject to Light-Duty Pedestrian Traffic Only:

Fiberglass-reinforced polyester resin, structurally tested according to SCTE 77 with 3000-lbf (13 345-N) vertical loading.

a. Shall be kept a minimum of 5-ft (1.5-m) of a roadway or spur.

3.3 INSTALLATION

A. Comply with NECA 1 and NECA 101 for installation requirements except where requirements on Drawings or in this article are stricter. Comply with NECA 102 for aluminum conduits.

B. Complete raceway installation before starting conductor installation.

C. Arrange stub-ups so curved portions of bends are not visible above finished grade.

D. Make bends in raceway using large-radius preformed ells. Field bending shall be according to NFPA 70 minimum radii requirements. Use only equipment specifically designed for material and size involved.

E. Install conduits parallel or perpendicular to equipment when above grade.

F. Coat field-cut threads on PVC-coated raceway with a corrosion-preventing conductive compound prior to assembly.

G. Terminate threaded conduits into threaded hubs or with locknuts on inside and outside of boxes or cabinets. Install bushings on conduits up to 1-1/4-inch (35mm) trade size and

RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS 260533-4

insulated throat metal bushings on 1-1/2-inch (41-mm) trade size and larger conduits terminated with locknuts. Install insulated throat metal grounding bushings on service conduits.

H. Install raceways square to the enclosure and terminate at enclosures with locknuts. Install locknuts hand tight plus 1/4 turn more.

I. Cut conduit perpendicular to the length. For conduits 2-inch (53-mm) trade size and larger, use roll cutter or a guide to make cut straight and perpendicular to the length.

J. Comply with manufacturer's written instructions for solvent welding RNC and fittings.

K. Mount boxes at heights indicated on Drawings. If mounting heights of boxes are not individually indicated, give priority to ADA requirements. Install boxes with height measured to center of box unless otherwise indicated.

3.4 INSTALLATION OF UNDERGROUND CONDUIT

A. Direct-Buried Conduit:

1. Bury 24-inches minimum.

2. Excavate trench bottom to provide firm and uniform support for conduit.

3. All backfill shall be free of materials that may damage the conduit system, such as construction waste, large rocks, sharp rocks, etc. Where natural backfill poses a hazard, alternate backfill material is required.

4. After installing conduit, backfill and compact. Start at tie-in point, and work toward end of conduit run, leaving conduit at end of run free to move with expansion and contraction as temperature changes during this process. Firmly hand tamp backfill around conduit to provide maximum supporting strength. After placing controlled backfill to within 12 inches (300 mm) of finished grade, make final conduit connection at end of run and complete backfilling with normal compaction.

5. Install manufactured rigid steel conduit elbows for stub-ups at poles and equipment.

See 3.1 A.3. this section, for building entrances.

6. Underground Warning Tape: Comply with requirements in Section 260553 "Identification for Electrical Systems."

7. Underground-Line Warning Tape: During backfilling of trenches install continuous underground-line warning tape directly above line at 6 to 8 inches (150 to 200 mm) below finished grade.

3.5 INSTALLATION OF UNDERGROUND HANDHOLES AND BOXES

A. Install handholes and boxes level and plumb and with orientation and depth coordinated with connecting conduits to minimize bends and deflections required for proper entrances.

B. Unless otherwise indicated, support units on a level bed of crushed stone or gravel, graded from 1/2-inch (12.5-mm) sieve to No. 4 (4.75-mm) sieve and compacted to same density as adjacent undisturbed earth.

C. Elevation: Set covers 1 inch (25 mm) above finished grade.

RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS 260533-5

3.6 PROTECTION

A. Protect coatings, finishes, and cabinets from damage and deterioration.

1. Repair damage to galvanized finishes with zinc-rich paint recommended by manufacturer.

2. Repair damage to PVC coatings or paint finishes with matching touchup coating recommended by manufacturer.

END OF SECTION 260533