A06_SPECS.pdf

TABLE OF CONTENTS – Page 1 of 1

TABLE OF CONTENTS

Page No

White Sandy Campground Water Treatment

010090 - General Information and Requirements ......................................................................................... 1-4 220500 – Common Work Results for Plumbing .......................................................................................... 1-4 223000 – Process Water Treatment Systems ............................................................................................... 1-5 260060 – Electrical Materials and Methods .............................................................................................. 1-14

WHITE SANDY CAMPGROUND 010090– 1

WATER TREATMENT GENERAL INFORMATION AND REQUIREMENTS

SECTION – 010090

GENERAL INFORMATION AND REQUIREMENTS

PART 1: GENERAL

1.01 SUMMARY:

A. Description of Work: Furnishing labor, equipment, supplies, and materials to install water treatment equipment in White Sandy Campground pumproom and connect to existing potable water system.

B. Location: Work under this contract is located at White Sandy Campground (Lewis and Clark County, Montana). The work location is shown on the drawings.

C. Terminology: References to Contracting Officer’s Representative means Bureau of Land Management (BLM) Engineer (406-208-6943), whom will serve as the Contracting Officer Representative during construction. References to “Government” means the Bureau of Land Management (BLM).

1.02 REFERENCES:

A. Referenced Specifications/Standards with Abbreviations and/or Acronyms: Wherever the following acronyms are used in these specifications or on the drawings, they are to be construed the same as the respective expressions represented. Copies of the referenced specifications/standards referred to herein may be procured by the Contractor, from the following:

ARM Administrative Rules of Montana (Referenced ARM’s are attached to this specification section) Administrative Rules Services P.O. Box 202801 Helena, MT 59620-2801

ASTM American Society for Testing and Materials 100 Barr Harbor Drive P.O. Box C700 West Conshohocken, PA 19428-2959

NSF National Sanitation Foundation 789 N. Dixboro Road P.O. Box 130140 Ann Arbor, MI 48105

AWWA American Water Works Association 6666 West Quincy Avenue Denver, CO 80235

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1.03 SUBMITTALS:

A. Scope: Submittals include manufacturers' literature, work schedules and substitution requests.

B. Requirements: Refer to specifications for submittals required. Allow at least 3 working days for review. Submittals shall be delivered to the Engineer and the Government at the

C. Submittal list:

1. All pipe, fittings and appurtenances will be submitted for NSF compliance.

2. Documentation (product spec sheets, etc.) showing that water treatment performance criteria (Section 223000) will be met.

3. Electrical certification

Pre-work Conference.

D. Identification of Submittals: Completely identify each submittal by showing at least the following information:

1. Name and address of submitter, plus name and telephone number of the individual to contact for further information.

2. Name of project as it appears in these specifications.

1.04 QUALITY ASSURANCE:

A. Codes and Standards: The work shall comply with codes and standards applicable to each type of work and as listed in the individual sections of these specifications. This contract incorporates materials, applications, and tests by reference, with the same force and effect as when they were given in full text.

B. Conflict: Where a conflict occurs between reference documents and project specifications, the project specifications shall govern.

1.05 DELIVERY, STORAGE, AND HANDLING:

A. Delivery: The Contractor shall protect products, incorporated into the work, from damage while in transit to the site. Products must be delivered in original unopened containers with manufacturer's name and brand designation and contents legibly indicated.

B. Storage: The Contractor shall provide temporary storage facilities for products complying with manufacturer's recommendations which will protect them from damage until installation on the project and final acceptance. The storage area shall permit access for inspection and handling.

C. Handling: The Contractor shall load and unload products in such a manner that protects them from damage until installation on the project.

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1.06 SITE CONDITIONS:

A. Environmental Considerations: Operations of the Contractor upon government premises including storage of materials, camping areas and equipment parking shall be confined to areas approved by the Government.

B. Noxious Weeds: The Contractor must wash all heavy equipment and vehicles prior to accessing BLM lands to prevent the spread of noxious weeds. Equipment or vehicles with visible dirt or plant parts will not be allowed into the project area until they are cleaned to the satisfaction of the Government.

1.07 SEQUENCING AND SCHEDULING:

A. Work Schedule: The schedule shall be submitted at the pre-work conference. When requested, the Contractor shall submit an updated schedule within 3 calendar days.

PART 2: PRODUCTS

(There are no applicable requirements.)

PART 3: EXECUTION

3.01 PROJECT MEETINGS:

A. Pre-Work Conference:

1. Notification: A pre-work conference will be held prior to the start of work. The Contractor will be notified in advance of meeting time, date and place.

The purpose will be to review required work, project drawings and specifications, construction schedules, payroll and payments, and administrative provisions of the contract.

2. Attendance: The Contractor, subcontractors and the person responsible for coordination of the work shall be present at the meeting.

3. Presentation: The Contractor shall be prepared to summarize and explain procedures planned for the project and present the submittals requested in the specifications.

B. Progress Meetings:

1. Location: Meeting shall be held at the project site, or as determined by the Engineer and Government.

2. Notification: Meetings may be called by either the Government, the Engineer, or the Contractor. Request shall state who should attend.

C. Final Inspection:

1. Location: Meeting shall be held at the project site, or as determined by the Engineer or Government.

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2. Notification: The Contractor shall notify the Government in writing at least 2 working days before the completion date so the Government can schedule final inspection.

PART 4: MEASUREMENT AND PAYMENT

4.01 METHOD OF MEASUREMENT:

A. Units: The work described in this section will not be measured for payment.

4.02 BASIS OF PAYMENT:

A. Payment: No direct payment for the work described under this section will be made. The Contractor shall include consideration for this item in the bid price for other items of the contract.

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WHITE SANDY CAMPGROUND 220500 – 1

WATER TREATMENT COMMON WORK RESULTS FOR PLUMBING

SECTION 220500

COMMON WORK RESULTS FOR PLUMBING

PART 1 – GENERAL

1.1 SUMMARY

A. This Section includes common work results for plumbing including the following:

1. Piping materials and installation instructions common to most piping systems.

2. Supports, hangers, and shields.

3. Sleeves.

4. Equipment installation requirements common to equipment sections.

1.2 SUBMITTALS

A. As specified in “Submittal Procedures” in Division 1 Section, “General Requirements.”

1. Product Data: Submit manufacturer's literature for each type of product.

PART 2 – PRODUCTS

2.1 PIPING JOINING MATERIALS

A. Flange Bolts and Nuts: ASME B18.2.1, carbon steel, unless otherwise indicated.

B. Plastic, Pipe-Flange Gasket, Bolts, and Nuts: Type and material recommended by pip-ing system manufacturer, unless otherwise indicated.

C. Solvent Cements for Joining Plastic Piping:

1. PVC Piping: ASTM D 2564. Include primer according to ASTM F 656.

2.2 MECHANICAL SLEEVE SEALS

A. Description: Modular sealing element unit, designed for field assembly, to fill annular space between pipe and sleeve.

B. Sealing Elements: EPDM or NBR interlocking links shaped to fit surface of pipe. In-clude type and number required for pipe material and size of pipe.

C. Pressure Plates: Plastic, carbon steel or stainless steel. Include two for each sealing element.

D. Connecting Bolts and Nuts: Carbon steel with corrosion-resistant coating or stainless steel of length required to secure pressure plates to sealing elements. Include one for each sealing element.

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2.3 SLEEVES

A. Steel Pipe: ASTM A 53, Type E, Grade B, Schedule 40, galvanized, plain ends.

2.4 SUPPORTS, HANGERS AND SHIELDS

A. Provide factory-fabricated horizontal-piping hanger and supports complying with MSS SP-58 selected by installer to suit horizontal-piping system, in accordance with

MSS SP-69.

B. Use only one type by one manufacturer for each piping service.

C. Select size of hanger and support to exactly fit pipe size for bare piping, and to exactly fit around piping insulation with saddle or shield for insulated piping.

D. Grouped Horizontal Piping and Piping on Walls

1. Cold formed, lipped channels, not less than 1 1/2 inch No. 12 gauge with mount-ing holes. Hangers shall support five times the weight or thrust applied without failure.

PART 3 – EXECUTION

3.1 PIPING SYSTEMS - COMMON REQUIREMENTS

A. Install piping according to the following requirements and Division 22 Sections speci-fying piping systems.

B. Drawing plans, schematics, and diagrams indicate general location and arrangement of piping systems. Indicated locations and arrangements were used to size pipe and other design considerations. Install piping as indicated unless deviations to layout are sub-mitted with no exceptions taken on Coordination Drawings.

C. Install piping at right angles or parallel to building walls. Diagonal runs are prohibited unless specifically indicated otherwise.

D. Install piping to permit valve servicing.

E. Install piping at indicated slopes.

F. Install piping free of sags and bends.

G. Install fittings for changes in direction and branch connections.

H. Select system components with pressure rating equal to or greater than system operat-ing pressure.

I. Install escutcheons for penetrations of walls.

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3.2 PIPING JOINT CONSTRUCTION

A. Join pipe and fittings according to the following requirements and Division 22 Sec-tions specifying piping systems.

B. Ream ends of pipes and tubes and remove burrs. Bevel plain ends of steel pipe.

C. Remove scale, slag, dirt, and debris from inside and outside of pipe and fittings before assembly.

D. Plastic Piping Solvent-Cement Joints: Clean and dry joining surfaces. Join pipe and fittings according to the following:

1. Comply with ASTM F 402, for safe-handling practice of cleaners, primers, and solvent cements.

2. PVC Pressure Piping: Join schedule number ASTM D 1785, PVC pipe and PVC socket fittings according to ASTM D 2672. Join other-than-schedule-number PVC pipe and socket fittings according to ASTM D 2855.

E. Plastic Piping Heat-Fusion Joints: Clean and dry joining surfaces by wiping with clean cloth or paper towels. Join according to ASTM D 2657.

1. Plain-End PE Pipe and Fittings: Use butt fusion.

2. Plain-End PE Pipe and Socket Fittings: Use socket fusion.

F. Bonded Joints: Prepare pipe ends and fittings, apply adhesive, and join according to pipe manufacturer's written instructions.

3.3 SLEEVE INSTALLATION

A. General Requirements: Install sleeves for pipes and tubes passing through penetra-tions in floors, partitions, roofs, and walls.

B. Sleeves are not required for core-drilled holes.

C. Cut sleeves to length for mounting flush with both surfaces unless otherwise indicated.

D. For exterior wall penetrations above grade, seal annular space between sleeve and pipe using joint sealants appropriate for size, depth, and location of joint.

E. Install sleeves that are large enough to provide 1/4-inch annular clear space between sleeve and pipe.

F. Install sleeve materials according to the following applications:

1. Sleeves for Piping Passing through Concrete Floor Slabs: Steel pipe. Extend sleeves 2 inches above finished floor level.

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G. Aboveground, Exterior-Wall Pipe Penetrations: Seal penetrations using sleeves and mechanical sleeve seals. Select sleeve size to allow for 1-inch annular clear space be-tween pipe and sleeve for installing mechanical sleeve seals.

1. Install steel pipe for sleeves smaller than 6 inches in diameter.

2. Mechanical Sleeve Seal Installation: Select type and number of sealing ele-ments required for pipe material and size. Position pipe in center of sleeve. As-semble mechanical sleeve seals and install in annular space between pipe and sleeve. Tighten bolts against pressure plates that cause sealing elements to ex-pand and make watertight seal.

3.4 EQUIPMENT INSTALLATION - COMMON REQUIREMENTS

A. Install equipment to allow maximum possible headroom unless specific mounting heights are not indicated.

B. Install equipment level and plumb, parallel and perpendicular to other building sys-tems and components in exposed interior spaces, unless otherwise indicated.

C. Install plumbing equipment to facilitate service, maintenance, and repair or replace-ment of components

D. Install equipment to allow right of way for piping installed at required slope.

END OF SECTION 220500

WHITE SANDY CAMPGROUND 223000 – 1

WATER TREATMENT PROCESS WATER TREATMENT SYSTEMS

SECTION 223000

PROCESS WATER TREATMENT SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. Includes furnishing, installing, and adjusting equipment, appurtenances, accessories, and devices for process water treatment systems.

1.2 RELATED SECTIONS

A. Section 220500, “Common Work Results for Plumbing.”

B. Section 221116, “Domestic Water Piping.”

1.3 SUBMITTALS

A. As specified in “Submittal Procedures” in Division 1 Section “General Requirements.”

1. Product Data: Include manufacturer’s data for each item specified.

2. Manufacturer’s Instructions: Provide for each item specified.

B. Closeout Submittals: As specified in “Operation and Maintenance Manuals” and “Closeout Procedures” in Division 1 Section “General Requirements.”

1. Operation and Maintenance Data: Include for each type of equipment, appurtenances, and devices.

2. Field quality test reports including leak tests, water analysis, backflow preventer certification, and chemical treatment results.

3. Warranties.

1.4 QUALITY ASSURANCE

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency and marked for intended use.

B. Comply with NSF 61, "Drinking Water System Components - Health Effects;

Sections 1 through 9," for all components that will be in contact with potable water.

PART 2 – PRODUCTS

2.1 VALVES AND SPECIALTIES.

A. True Union Ball Valves: Schedule 80, thermoplastic full bore, quarter-turn shutoff valve with EPDM O-ring and polypropylene handle. Manufactured to ASTM F 1970

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and constructed from PVC Type I, ASTM D 1784 Cell Classification 12454. Pressure rated to 235 psi at 73oF.

1. Manufacturer: Spears model 3629-XXX or equal.

B. Check Valves: Stainless steel with 316 stainless steel guide and Delrin poppets with Buna-N rubber sealing discs and stainless-steel springs. Threaded outlets. Maximum pressure rating of 400 psi.

1. Manufacturer: Flomatic model 4033SS2 80SS or equal.

C. Double Check Valve Assembly: Lead Free cast copper silicon alloy assembly consisting of two positive seating check modules with captured springs and rubber seat discs. Replaceable module seats and seat discs. Assemblies includes two resilient seated isolation valves and four resilient seated test cocks. Complies with ASSE standard 1015, AWWA standard C510. Maximum pressure loss of 5 psig through middle 1/3 of flow range.

1. Manufacturer: Watts model LF007 series or equal.

D. Sample Tap Valve: Lead free rough brass, 1/2" MNPT with no hose connection.

1. Manufacturer: ST-1/2 RB

E. True Union: Schedule 80 PVC union with EPDM O-ring. Manufactured to ASTM F 1970 and constructed from PVC Type I, ASTM D 1784 Cell Classification 12454.

Pressure rated to 235 psi at 73oF.

1. Manufacturer: Spears model 8097-XXX or equal.

F. Pressure Gauge: Heavy duty, all stainless-steel gauge with removable bezel, adjustable pointer, 1% accuracy, laminated safety glass, liquid fill, 2-1/2” dial.

Provide installation kit with gauge cock. Operating range of two times the working pressure.

1. PIC Gauges model 311L as supplied by Industrial Process Technologies, 303-

975-9487

2.2 WATER METER

A. Water Meter: Positive displacement water meter consisting of magnetic-driven, impact resistant register, lead free high copper alloy main case, and nutating disc measuring chamber. NSF 61 Certified and conforming to AWWA C700. 150 psi maximum operating pressure.

1. Units of measure: U.S. gallons.

2. Manufacturer: Neptune Technology Group Model T-10 or equal.

2.3 PRESSURE TANKS

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A. Pressure Tanks: 16-gauge steel tank with heavy duty butyl diaphragm and all stainless steel water connection. 125 psig maximum working pressure. Tank precharged to 38 psig.

1. Manufacture: Flexcon Industries model H2P 120 or equal.

2. Air valve: Brass with O-ring seal.

3. Tank Volume: 119 gallons.

4. System drawdown: 35.1 gallons at 40/60 psi.

5. Warranty: 5 years.

2.4 PRESSURE TRANSDUCER

A. P ump Pressure Transductor: Regulation (0-150 psi adjustable).

1. Fluid: Domestic water NSF 61 compliant.

2. Range: 0-150 psi

3. Enclosure: NEMA Type 1.

4. Manufacture: SJ Rhombus or approved equal.

2.5 FILTER HOUSINGS

A. Filter Housings: Constructed of 316 stainless steel with electrolyzed external surface and acid washed internal surface.

Provide with swing bolts. Accepts 12 30” long cartridges. 140 PSIG maximum operating pressure at 212oF. 2” NPT inlet/outlet.

Two, 1/2” NPT gauge ports. 1/4" NPT vent port. 30” cartridge length.

1. Manufacturer: Graver Technologies model 12 LPF30 as supplied by Industrial Process Technologies, 303-975-9487 or equal.

2.6 FILTER ELEMENTS

A. Pre-Filter Cartridges (STC3): Style “C” Series cartridge with 50-micron retention rating. Polypropylene media, end caps and center core. 30” nominal length, 2.5” outside diameter, 1.0” inside diameter

1. Manufacturer: United Filters International model STC3- 30-NN as supplied by Industrial Process Technologies, 303-975-9487 or equal.

2.7 WATER SOFTING ION EXCHANGE

A. System is comprised of a media tank and brine tank. The system shall remove harness up to 96 grains at a flow rate of 15 gpm.

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B. NSF61 Certified filter tank with one-piece seamless polyester construction.

C. Heavy duty backwash control valve features fully adjustable backwash and rinse cycles.

D. Precise Monitoring of water usage allows you to change out arsenic media after a predetermined number of gallons has passed through system.

1. Manufacturer: Water Softener 5900-bt 96K grain 14 x 65 supplied by Clean Water Store, 1-888-970-3295 or equal.

2.8 IRON REMOVAL ION EXCHANGE

A. System is comprised of a media tank and brine tank. The system shall remove iron up to 25 ppm at a flow rate of 15 gpm.

B. NSF61 Certified filter tank with one-piece seamless polyester construction.

backwash and rinse cycles. Precise Monitoring of water usage allows you to change out arsenic media after a predetermined number of gallons has passed through system.

1. Manufacturer: Pro-OX iron filter 5900-BT 2.0 CF 1252 supplied by

Clean Water Store, 1-888-970-3295 or equal.

2.9 SULFATE ION EXCHANGE

A. System is comprised of a media tank and brine tank. The system shall remove sulfate up to 1600 ppm at a flow rate of 15 gpm.

B. NSF61 Certified filter tank with one-piece seamless polyester construction.

backwash and rinse cycles. Precise Monitoring of water usage allows you to change out arsenic media after a predetermined number of gallons has passed through system.

1. Manufacturer: Nitrate & Sulfate Well water Filter 5900-BT 4.0 CF supplied by Clean Water Store, 1-888-970-3295 or equal.

PART 3 - EXECUTION

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3.1 INSTALLATION, GENERAL

A. Install equipment in accordance with manufacturer’s literature.

B. Install piping adjacent to equipment to allow service and maintenance.

C. Make piping connections between dissimilar metal water piping with dielectric fittings.

D. Leak test and disinfect the water distribution and storage facilities in accordance with Section 221116 before completing the adjustments specified in this Section.

E. Water treatment adjustment:

1. Prepare chemical solutions and set the initial metering pump application rate.

2. Adjust the stroke length to provide proper solution metering rate.

END OF SECTION 223000

WHITE SANDY CAMPGROUND 260050 – 1

WATER TREATMENT ELECTRICAL MATERIALS AND METHODS

SECTION 260050

ELECTRICAL MATERIALS AND METHODS

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes electrical requirements and materials for a complete electrical system including the following:

1. Raceways.

2. Building wire and connectors.

3. Supporting devices for electrical components.

4. Switches.

5. Receptacles.

6. Panelboards.

7. Circuit breakers.

8. Surge Protection Devices.

9. Luminaires.

1.2 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specifications, apply to Division 26 Sections.

1.3 QUALITY ASSURANCE

A. Worker's Qualifications: All electrical work shall be performed by licensed electricians or under the direct supervision of an electrician licensed in the State of Idaho

B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in

NFPA 70.

C. Provide products that are UL listed and labeled.

D. Codes and Regulations:

1. All work shall meet requirements of governing codes and regulations, NFPA 70- 2023 (NEC), and NESC.

2. The electrical installation shall meet the requirements of NECA Standard of Installation, except where otherwise specified. Advise the Contracting Officer of conflicting codes or conflicts between codes and drawings and specifications.

3. When the requirements of specifications or drawings are more stringent than the codes, regulations, or standards, the specifications or drawings shall prevail.

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E. UL Listing: Provide products that are UL listed and labeled.

1. Grounding: Applicable requirements of UL Standards Nos. 467, “Electrical

Grounding and Bonding Equipment,” pertaining to grounding and bonding of systems, circuits, and equipment. In addition, compliance with UL Standard 486A, “Wire Connectors.”

F. Comply with ANSI/IEEE C62.41 and C62.45.

G. IEEE Compliance: Applicable requirements and recommended installation practices of IEEE Standards pertaining to grounding and bonding of systems, circuits, and equipment.

1.4 INTENT OF CONSTRUCTION DRAWINGS

A. Electrical drawings do not attempt to show complete details of building construction that affect installation. Diagrams are schematic only and do not necessarily show physical arrangement of equipment. Refer to drawings of other trades for additional details that affect work.

B. Conduit, conductor and ground connections are shown diagrammatically only. Layout does not necessarily show total number of conduits or conductors for circuits required and should not be used for obtaining quantities for linear runs of conduits or wires.

Provide additional conduits and wire wherever needed to complete installation of specific equipment furnished.

C. Changes such as offsetting conduit runs, moving outlets, or other minor changes necessary to facilitate installation shall be made at no additional expense to the Government.

1.5 SUBMITTALS

A. As specified in Division 1 Section “Submittal Procedures.”

1. Product Data: Submit manufacturer’s product literature for the following items:

a. Conduit, raceways, and fittings.

b. Wire and cable.

c. Switches.

d. Receptacles.

e. Panelboards.

f. Disconnects

g. Circuit breakers.

h. Pedestals.

2. Sample warranties.

B. Closeout Submittals:

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1. As specified in Division 1 Section “Operations and Maintenance Manuals.”

a. Operation and Maintenance Data: Submit manufacturer's operation and maintenance data.

b. Warranty: Provide copies of manufacturer’s standard warranties.

PART 2 – PRODUCTS

2.1 RACEWAYS

A. Metal Conduit:

1. RMC: Rigid metal conduit; galvanized rigid steel; ANSI C80.1.

2. Fittings and Conduit Bodies: ANSI/NEMA FB 1; material to match conduit.

B. FMC: Flexible metal conduit; zinc-coated steel, interlocked steel construction.

1. Fittings: ANSI/NEMA FB 1.

C. EMT: Electrical metallic tubing; ANSI C80.3, zinc-coated steel.

1. Fittings and Conduit Bodies: ANSI/NEMA FB 1; steel compression type.

D. Bushings: Insulated type bushings designed to prevent abrasion of wires without im-pairing the continuity of the conduit grounding system comprised of rigid steel con-duit. Provide locking type grounding bushings with a feed-through compression lug.

E. Expansion Fittings: Rigid hot-dipped galvanized steel or malleable iron with factory-installed packing and grounding ring.

1. Rigid non-metallic conduit expansion fittings: Provide short type for runs 25 feet or less and long type in runs 26 to 80 feet.

a. Short Type: On-piece coupling with O ring providing 2 inches of total movement range in 1/2-inch to 2-inch conduit sizes.

b. Long Type: Two piece barrel and piston joint providing 6 inches of total movement range in 1/2-inch to 6-inch conduit sizes.

F. Sealing Fittings: Threaded, zinc or cadmium coated, cast or malleable iron type for steel conduits. Provide continuous drain type when fittings are used to prevent pas-sage of water vapor.

2.2 BUILDING WIRE AND CABLE

A. Feeders and Branch Circuits: Copper, stranded conductor, 600 volt insulation, Type THHN/THWN depending on application.

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2.3 GROUNDING

A. Grounding Electrode Conductors: Stranded copper cable, without splice throughout its length; bare or green insulated wire is acceptable.

B. Equipment Grounding Conductors: Copper, insulated with green-colored insulation.

Use same type as other wires in the circuit.

C. Ground Rods: One piece, copper or copper-clad steel rod, 3/4 inches by 120 inches.

D. Underground Conductors: Bare, tinned, stranded, unless otherwise indicated.

E. Bonding Jumpers: Bare copper tape or tinned-copper tape, braided copper conductors, terminated with copper ferrules.

F. Ground Bus: Bare, annealed copper bars of rectangular cross section with insulated spacer.

G. Connectors: Comply with IEEE 837 and UL 467; listed for use for specific types, sizes, and combinations of conductors and connected items.

1. Exothermic-Welded Type: Kit form selected per manufacturer’s written instruc-tions.

2.4 RECEPTACLES

A. Ground Fault Circuit Interrupter (GFCI) Receptacles: Weather resistant, complying with NEC 406.9 and UL 943, Class A, straight blade, thermosetting ivory plastic, commercial specification grade, duplex receptacle with NEMA 5-20R configurations.

Ivory color. Hubbell catalog No. GFWRST20I or equal.

B. Weatherproof Receptacle Cover: NEMA 3R rated, UL listed for wet locations and designed to meet requirements of NEC Article 410-57(b). UV stabilized high impact polycarbonate cover. Single gang, weatherproof cover/base assembly, gasket, inserts, and mounting hardware. Intermatic model WP1000 or equal.

2.5 OUTLET, PULL, AND JUNCTION BOXES

A. General: Provide one for each outlet, switch, receptacle, or combination, at each junction point.

1. Metal Raceway Systems in Interior Dry Locations: Plastic or galvanized sheet metal.

2. Outdoor and Wet Locations: Weatherproof, cast metal, threaded hub.

3. Buried or Subject to Constant Moisture: Watertight.

2.6 DEVICE PLATES AND COVERS

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A. Single and combination types to match corresponding wiring devices.

1. Plate-Securing Screws: Metal with head color to match plate finish.

2. Material for Finished and Unfinished Spaces: Ivory, smooth, high impact thermoplastic.

3. Material for Wet Locations: Listed and labeled for use in “wet locations,” gasketed and weatherproof, with spring loaded neoprene gasketed doors for receptacles, lever operators for switches and cast aluminum cover plates for junction boxes.

2.7 PANELBOARDS

A. Enclosures: Flush-or surface mounted cabinets as indicated on drawings.

NEMA PB 1, Type 1, suitable for environmental conditions at installed location.

B. Front: Hinged door-in-door construction with flush lock. Secured to box with con-cealed trim clamps. For surface-mounted fronts, match box dimensions; for flush-mounted fronts, provide adjustable fronts that overlap box with concealed trim clamps.

C. Directory Card: With transparent protective cover, mounted in metal frame, inside panelboard door.

D. Main Bus: Copper bus bar sized in accordance with UL standards.

E. Equipment Ground Bus: Adequate for feeder and branch-circuit equipment ground conductors; bonded to box.

F. Neutral Bus: Full sized, 100% rated in service entrance panels. Arrange panel bus bar taps with single-pole branches for sequence phasing of the branch circuit devices.

Provide neutral bushing lug for each outgoing feeder requiring a neutral connection.

G. Panelboard Short-Circuit Rating: Short-circuit ratings not less than 10,000 amperes RMS symmetrical.

H. Panelboards with Main Service Disconnect: Listed for use as service equipment.

I. Spaces for Future Devices: Mounting brackets, bus connections, and necessary appur-tenances required for future installation of devices.

2.8 CIRCUIT BREAKERS

A. Circuit Breaker: NEMA AB 1, with interrupting capacity to meet available fault cur-rents.

1. Thermal-Magnetic Circuit Breakers: Inverse time-current element for low-level overloads, and instantaneous magnetic trip element for short circuits.

2. Shunt Trip Circuit Breakers: Three-pole configuration, shunt trip, HACR rated.

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3. Current-Limiting Circuit Breakers: Frame sizes 400 A and smaller; let-through ratings less than NEMA FU 1, RK-5.

B. Circuit-Breaker Features and Accessories: Standard frame sizes, trip ratings, and number of poles.

1. Lugs: Suitable for number, size, trip ratings, and material of conductors.

2. Application Listing: Appropriate for application; Type SWD for switching fluo-rescent lighting loads; Type HACR for heating, air-conditioning, and refrigerat-ing equipment.

2.9 FUSIBLE SWITCHES

A. Material: Cold-formed steel, with corrosion-resistant coating.

B. Nema-3R rated.

C. Type GD, General Duty, Single Throw, 240-V ac, 800 A and Smaller: UL 98 and NEMA KS 1, horsepower rated, with cartridge fuse interiors to accommodate 100-amp class R fuses, lockable handle with capability to accept two padlocks, and interlocked with cover in closed position.

D. Accessories:

1. Equipment Ground Kit: Internally mounted and labeled for copper and alumi-num ground conductors.

2. Neutral Kit: Internally mounted; insulated, capable of being grounded and bonded; labeled for copper and aluminum neutral conductors.

3. Class R Fuse Kit: Provides rejection of other fuse types when Class R fuses are specified.

4. Lugs: Suitable for number, size, and conductor material.

5. Service-Rated Switches: Labeled for use as service equipment.

2.10 SUPPORTING DEVICES

A. Material: Cold-formed steel, with corrosion-resistant coating.

B. Metal Items for Use Outdoors or in Damp Locations: Hot-dip galvanized steel.

C. Raceway and Cable Supports: Manufactured clevis hangers, riser clamps, straps, threaded C-clamps with retainers, ceiling trapeze hangers, wall brackets, and spring-steel clamps or click-type hangers.

2.11 ELECTRICAL IDENTIFICATION

A. Identification Device Colors: Use those prescribed by ANSI A13.1, NFPA 70, and these Specifications.

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B. Colored Adhesive Marking Tape for Raceways, Wires, and Cables: Self-adhesive vinyl tape, not less than 1 inch wide by 3 mils thick.

C. Tape Markers for Conductors: Vinyl or vinyl-cloth, self-adhesive, wraparound type with preprinted numbers and letters.

D. Color-Coding Cable Ties: Type 6/6 nylon, self-locking type. Colors to suit coding scheme.

E. Engraved-Plastic Labels, Signs, and Instruction Plates: Engraving stock, melamine plastic laminate punched or drilled for mechanical fasteners 1/16-inch minimum thickness for signs up to 20 sq. in. and 1/8-inch minimum thickness for larger sizes.

Engraved legend in black letters on white background. Minimum text height of 1/4-inch.

1. Fasteners for Nameplates and Signs: Self-tapping, stainless-steel screws or No. 10/32 stainless-steel machine screws with nuts and flat and lock washers.

F. Fasteners for Nameplates and Signs: Self-tapping, stainless-steel screws or No. 10/32 stainless-steel machine screws with nuts and washers.

PART 3 – EXECUTION

3.1 EXAMINATION

A. Field verify measurements and circuiting arrangements.

B. Removal Drawings are based on casual field observation and existing record documents. Report discrepancies to Contracting Officer before disturbing existing installation.

C. Field check all existing conditions prior to beginning work. Beginning of removal means installer accepts existing conditions.

3.2 REMOVAL AND EXTENSION OF EXISTING ELECTRICAL WORK

A. Disconnect, demolish, and remove electrical systems, equipment, and components in-dicated to be removed.

1. Circuits to Be Removed: Remove portion of circuits, including conductors and conduit, indicated to be removed to source of supply. Disconnect abandoned outlets and remove devices. Remove abandoned outlets if conduit servicing them is abandoned and removed. Provide blank cover for abandoned outlets which are not removed.

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2. Equipment to Be Removed: Disconnect equipment. Remove circuit to source of supply where circuit is indicated to be removed. Temporarily terminate con-ductors in a safe manner where circuit will be reattached to new equipment or devices. Remove equipment.

3. Equipment to Be Removed and Reinstalled: Disconnect and remove circuit to source of supply. Remove, clean, and store equipment; when appropriate, rein-stall, reconnect, and make equipment operational.

4. Equipment to Be Removed and Salvaged: Disconnect and remove circuit to source of supply. Remove equipment and deliver to Government.

B. Verify that abandoned wiring and equipment serve only abandoned facilities. Main-tain electrical continuity to remaining wiring and equipment.

C. If during construction electrical conductors, conduits, or equipment to remain is dam-aged in appearance or is unserviceable, remove damaged or unserviceable portions and replace with new products of equal capacity and quality.

D. Existing Electrical Service: Maintain existing systems in service until new systems are accepted. Disable systems only to make switchovers and connections. Notify the Contracting Officer at least 36 hours before partially or completely disabling system.

Minimize outage duration. Make temporary connections to maintain service in areas adjacent to work area.

E. Where the reuse of existing conduits, outlets, junction boxes, etc. is permissible, make certain that the wiring for them is continuous from outlet to outlet.

F. Provide temporary wiring and connections to maintain existing systems in service during construction.

G. Remove exposed abandoned conduit, including abandoned conduit above accessible ceiling finishes. Cut conduit flush with walls and floors, and patch surfaces.

H. Repair adjacent construction and finishes damaged during demolition and extension work. Provide modifications to assure that circuits or systems wiring shall not pass through outlet or junction boxes that may be rendered inaccessible by changes made to the building.

I. Connect new work to existing work in a manner that will assure proper raceway grounding throughout in conformance with the National Electrical Code.

J. Removed conduits, wire, devices, fixtures, etc. is the property of the Contractor unless otherwise noted.

K. Panelboards: Replace circuit breakers damaged during construction and provide closure plates for vacant positions. Provide typed circuit directory showing revised circuiting arrangement.

3.3 ELECTRICAL EQUIPMENT INSTALLATION

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A. Headroom Maintenance: If mounting heights or other location criteria are not indicated, arrange and install components and equipment to provide maximum possible headroom.

B. Materials and Components: Install level, plumb, and parallel and perpendicular to other building systems and components, unless otherwise indicated.

C. Equipment: Install to facilitate service, maintenance, and repair or replacement of components. Connect for ease of disconnecting, with minimum interference with other installations.

D. Right of Way: Give to raceways and piping systems installed at a required slope.

3.4 RACEWAY APPLICATION

A. Minimum Conduit Size, unless otherwise shown or specified:

1. Homeruns: Minimum 1/2-inch.

B. Outdoor Locations, Above Grade: RMC.

C. Wet and Damp Locations: RMC.

D. Dry Locations: EMT.

E. Connection to Vibrating Equipment: FMC; except in wet or damp locations use

LFMC.

3.5 RACEWAY INSTALLATION

A. Install raceways in accordance with NECA “Standard of Installation” and manufacturer’s recommendations.

B. Route exposed raceways parallel and perpendicular to walls.

C. Conceal raceways and cables, unless otherwise indicated, within finished walls, ceilings, and floors.

D. Run raceway plumb, level, and in a direct line, with long sweeping bends and offsets.

Make changes in direction of raceway with symmetrical bends or metal fittings.

E. Keep legs of raceway bends in the same plane and keep straight legs of offsets parallel.

F. Maintain 12-inch clearance between conduit and surfaces with temperatures exceeding 1040F.

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G. Use conduit hubs or sealing locknuts to fasten conduit to sheet metal boxes and cast boxes in damp and wet locations.

H. Install no more than equivalent of four 90-degree bends between boxes. Use conduit bodies to make sharp changes in direction.

I. Seal wall and roof penetrations weathertight.

J. Connect motors and equipment subject to vibration, noise transmission, or movement with a maximum of 72-inches flexible conduit. Install separate ground conductor across flexible connections.

3.6 WIRE AND CABLE METHODS

A. Conductor Size:

1. Meet requirements of NFPA 70 or the sizes shown on the drawings if larger.

Use no wire smaller than No. 12 AWG for power and lighting circuits, and no smaller than No. 16 AWG for control wiring.

2. Use No. 10 AWG conductor for 20 ampere, 120 volt branch circuit home runs longer than 75 feet.

B. Wire and Cable Application: Use wiring and cabling methods specified below to the extent permitted by applicable codes.

1. Exposed Interior Locations: THHN-THWN single conductors in raceway.

2. Interior, Above Accessible Ceilings: THHN-THWN single conductors in raceway.

3. Wet or Damp Interior Locations: THHN-THWN single conductors in raceways.

4. Exterior Locations: THHN-THWN single conductors in raceway.

5. Underground: THHN-THWN single conductors in raceway.

6. Remote-Control Signaling and Power-Limited Circuits, Classes 1, 2, and 3:

Insulated conductors in raceways.

3.7 WIRE AND CABLE INSTALLATION

A. Taps and Splices:

1. Permitted only in junction or outlet boxes.

2. Make splices and taps that are compatible with conductor material and that possess equivalent or better mechanical strength and insulation ratings than unspliced conductors.

B. Place an equal number of conductors for each phase of a circuit in same raceway or cable. Pull all conductors into a raceway at the same time.

3.8 GROUNDING

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A. Size and install grounding system and grounding electrode conductors in accordance with NEC.

B. Ground the electrical service system neutral at service entrance equipment to metallic cold water service, concrete encased electrode, building steel and to supplementary grounding electrodes.

C. Make exothermic welded connections where grounding conductors connect to under-ground grounding conductors and to underground grounding electrodes, and for bond-ing to steel. Exothermic weld all underground connections.

D. Provide a corrosion-resistant finish to field connections, buried metallic bonding prod-ucts, and where factory applied protective coatings have been destroyed, where subject to corrosive action.

E. If other grounding systems are present at or within 50 feet of the building or structure served, bond the systems together with bare copper ground wire, sized to the larger of the two grounding electrode conductor sizes.

F. Install code-sized ground cable bonding jumpers, with ground clamps, across conduit expansion couplings and fittings.

G. Route grounding connections, conductors to ground, and grounding conductors to protective devices in the shortest and straightest paths possible to minimize transient voltage rises.

H. Install equipment-grounding conductor in feeder and branch circuits. Route to switches, receptacles, equipment enclosures, equipment, and panels. Ground as required by NEC. Terminate each ground conductor to the bushing and ground lug.

I. Install an equipment-grounding conductor in non-metallic and flexible metallic conduits.

J. Bonding Straps and Jumpers: Install so vibration by equipment mounted on vibration isolation hangers or supports is not transmitted to rigidly mounted equipment. Use exothermic-welded connectors for outdoor locations, unless a disconnect-type connection is required; then use a bolted clamp. Bond straps directly to the basic structure taking care not to penetrate any adjacent parts. Install straps only in locations accessible for maintenance.

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

1. Equipment Grounding Conductor Terminations:

a. No. 8 AWG and larger: Use pressure-type, such as setscrew or hydraulic compression, grounding lugs.

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b. No. 10 AWG and smaller: Terminate with winged pressure-type connectors.

2. Non-contact Metal Raceway Terminations: If metallic raceways terminate at metal housings without mechanical and electrical connection to housing, terminate each conduit with a grounding bushing. Connect grounding bushings with a bare grounding conductor to grounding bus or terminal in housing. Bond electrically non-continuous conduits at entrances and exists with grounding bushings and bare grounding conductors, unless otherwise indicated.

3. Tighten screws and bolts for grounding and bonding connectors and terminals according to manufacturer’s published torque-tightening values. Use values specified in UL 486A if manufacturer’s torque values are not indicated.

4. Moisture Protection: If insulated grounding conductors are connected to ground rods or grounding buses, insulate entire area of connection and seal against moisture penetration of insulation and cable.

3.9 ELECTRICAL SUPPORTING DEVICE APPLICATION

A. Damp Locations and Outdoors: Use hot-dip galvanized materials or nonmetallic, slotted channel system components.

B. Dry Locations: Use steel materials.

C. Strength of Supports: Adequate to carry present and future loads, times a safety factor of at least four with, 200-lb minimum design load for each support element.

D. Clean cuts and welds. Coat unpainted surfaces with cold application zinc galvanizing.

Coat cuts and welds on painted surfaces with zinc chromate primer and finish to match existing paint.

3.10 SUPPORT INSTALLATION

A. Arrange supports to prevent misalignment during wiring installation.

B. Support parallel runs of horizontal raceways together on trapeze- or bracket-type hangers.

C. Support individual horizontal single raceways with separate, malleable-iron pipe hangers or clamps except use spring-steel fasteners for 1-1/2-inch and smaller single raceways above suspended ceilings and for fastening raceways to slotted channel and angle supports.

D. Install sleeves for cable and raceway penetrations of concrete slabs and walls unless core-drilled holes are used. Install sleeves during erection of concrete and masonry walls.

E. Do not support conduit with wire or perforated pipe straps. Do not attach conduit or supports to ceiling support wires.

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F. Secure electrical items and their supports to building structure, using the following methods unless other fastening methods are indicated:

1. Wood: Wood screws or screw-type nails.

2. Gypsum Board: Toggle bolts. Seal around sleeves with joint compound, both sides of wall.

3. Fasteners for Damp, Wet, or Weather-Exposed Locations: Stainless steel.

4. Fasteners: Select so load applied to each fastener does not exceed 25 percent of its proof-test load.

3.11 IDENTIFICATION MATERIALS AND DEVICES

A. Install at locations for most convenient viewing without interference with operation and maintenance of equipment.

B. Coordinate names, abbreviations, colors, and other designations used for electrical identification with corresponding designations indicated in the Contract Documents or required by codes and standards. Use consistent designations throughout Project.

C. Self-Adhesive Identification Products: Clean surfaces before applying.

D. Nameplates: Identify panels, motor starters, control points, and disconnect switches.

E. Wire Markers: Install at each end of each wire interconnecting between such items as control panels, sensors, and control devices. Wire markers shall correspond to control wire numbers on schematic diagrams.

F. Install warning labels on panels, disconnects, and other devices as required by NFPA 70.

3.12 WIRING DEVICES

A. Mounting heights to centerline of outlet box or receptacle:

1. New Receptacles: 18 inches above floor or ground, except as specified below.

B. Remove fiber washers on mounting screws before installing device.

3.13 PANELBOARD INSTALLATION

A. Field verify existing panelboards and circuit breakers location, arrangement, and short current rating prior to ordering and purchasing replacement panelboards and circuit breakers.

B. Mount replacement panelboards in existing panelboard location.

C. Field verify available voltage and phase prior to ordering panelboards.

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D. Mounting: Plumb and rigid without distortion of box. Mount recessed panelboards with fronts uniformly flush with wall finish.

E. Install filler plates in unused protective device spaces.

F. Wiring in Panelboard Gutters: Arrange conductors into groups and bundle and wrap with wire ties after completing load balancing.

G. Install overcurrent protective devices and controllers not already factory installed.

3.14 IDENTIFICATION

A. Create a directory to indicate circuits in panelboards. Use a computer or typewriter to create directory; handwritten directories are not acceptable.

3.15 ADJUST AND CLEAN

A. Adjust operating mechanisms for free mechanical movement.

B. Touch-up scratched or marred enclosure surfaces to match original finishes.

3.16 FIELD QUALITY CONTROL

A. Notify Contracting Officer at least 48 hours before inspection or testing. Perform tests in the presence of the Contracting Officer.

B. Testing: After installing circuit breakers and after electrical circuits have been energized, demonstrate product capability and compliance with requirements.

C. Inspections and Tests for Switches and Circuit Breakers: Make internal and external inspections and perform tests, including the following:

1. Inspect for freedom from physical damage, proper unit rating, mechanical condition, enclosure integrity, cover operation, unit anchorage, clearances, and tightness of electrical connections. If a loose electrical connection is observed on any unit, check each electrical connection for each switch and circuit breaker with a torque wrench for compliance with manufacturer's torquing instructions.

2. Inspect Circuit Breakers for proper frame, trip, and fault current interrupting rating.

D. Correct defective and malfunctioning units on-site, where possible, and re-inspect and retest to demonstrate compliance; otherwise, remove and replace with new units and retest.

END OF SECTION 260050