MDVL192129 Technical Specifications.pdf

MISSISSIPPI AIR NATIONAL GUARD

Submitted to:

Mississippi Air National Guard 186th Air Refueling Wing—Key Field Civil Engineering Squadron 6225 M Street Meridian, MS 39307

MAY 2021

Prepared by:

Waggoner Engineering, Inc.

143-A LeFleurs Square Jackson, MS 39211 Phone: 601-355-9526

In Conjunction With:

Scott C. Woods & Associates, PA Jon D. Rice & Associates, LLC

REPAIR FIRE SUPPRESSION

SYSTEM B104

186TH AIR REFUELING

WING KEY FIELD ANG BASE

MERIDIAN, MS

PN: MDVL192129

Mobilization - Demobilization 01 71 13

Fire Protection System 21 13 00

Electrical General Provisions 26 00 10 Selective Demolition for Electrical 26 05 05 Conductors (Low Voltage, 600 Volts) 26 05 19 Grounding 26 05 26 Outlet Boxes, Junction Boxes, and Gutters 26 05 29 Raceways 26 05 33 New Overcurrent Protective Devices in Existing Equipment 26 05 74 Low-Voltage (Ultra-Efficient) Transformers 26 22 00 Panelboards 26 24 16 Disconnects (Motor & Circuit & Separate Circuit Breakers 26 28 19 Surge Suppression Devices 26 35 53

Addressable In Building Fire Alarm System (Monaco) 28 46 20

DIVISION 01 - GENERAL CONDITIONS

DIVISION 21 - FIRE SUPPRESSION

DIVISION 28 - ELECTRONIC SAFETY AND SECURITY

DIVISION 26 - ELECTRICAL

Technical Specifications for

Repair Fire Suppression System - B104

MDVL192129

May 2021

Table of Contents - 1

END OF SECTION

01 71 13 - 1

SECTION 01 71 13

MOBILIZATION – DEMOBILIZATION

PART 1 - GENERAL

1-01 DESCRIPTION

A. Mobilization-Demobilization shall consist of all moving in, including preparatory work and operations and moving out, including all dismantling and clean-up work and operations performed by the Contractor.

B. Mobilization shall include the movement of all labor, equipment, supplies and incidentals to the project site; establishment of facilities necessary for work on the project; and other work and operations which must be performed or costs not directly attributable to other pay items, exclusive of bidding costs, which must be incurred by the Contractor before beginning and during the early stages of production work on the project site.

C. Demobilization shall include the movement of all labor, equipment, supplies and incidentals from the project site; dismantling and removal of temporary facilities; clean-up of the project site and all work areas; and other work and operations which must be performed or costs not directly attributable to other pay items which must be incurred by the Contractor after completion of certain items of work and all other work on the Contract has been completed.

PART 2 - COMPENSATION

2-01 MEASUREMENT

A. The percentage of the lump sum amount for this section will be measured in accordance with the Schedule of Values submitted by the Contractor and approved by the Contracting Officer within the following limitations:

% of Total % of Maximum Lump Sum Contract Earned* This Item Allowed

10% 40% 25% 60% 80% 90%

B. When all work under this Contract is completed by the Contractor and accepted by the Contracting Officer, one hundred percent (100%) of the Lump Sum Amount will be allowed.

* Total Contract earned will be equal to certified estimates approved by the Contracting Officer exclusive of the Mobilization-Demobilization Lump Sum and Materials Stored Amounts.

MDVL192129 – Repair Fire Suppression System, B104 February 2021

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SECTION 21 13 00

FIRE PROTECTION SYSTEM

PART 1 - GENERAL

1-01 SCOPE

A. The work under this section shall include furnishing and installing all materials for the complete installation of the following:

Wet Pipe Sprinkler System Connections to Fire Alarm System and shall apply to all phases of work specified, shown on the drawings or reasonably required to provide for the complete installation of approved fire protection systems for the project. This structure is classed as fully sprinklered.

B. Fire protection system shall be in accordance with the following industry standards:

AWWA C651 Disinfecting Water Mains NFPA 13 Installation of Sprinkler Systems NFPA 70 National Electrical Code

IBC International Building Code UL FPED Fire Protection Equipment Directory UL 262 Gate Valves for Fire-Protection Service UL 789 Indicator Posts for Fire-Protection Service UFC 3-600-01 Fire Protection Engineering for Facilities

1-02 GENERAL

A. The contractor for the fire protection installation shall be a NICET III Certified, qualified

Fire Protection Contractor, and regularly engaged in the installation of Automatic Fire Sprinkler Systems and other Fire Protection Equipment.

B. All materials, equipment valves and devices installed and/or furnished under this section shall be listed and/or approved for use in the fire protection installation by the authorities, agencies, codes and standards named in this section of the specifications.

C. Refer to: Underwriters' Laboratories Approved Fire Protection Equipment List.

D. Any permits for the installation or construction of any of the work included in this section which are required by any of the authorities and/or agencies having jurisdiction shall be obtained and paid for by the Fire Protection Contractor.

E. This project shall be installed to meet UFC 3-600-01, Fire Protection Engineering for

Facilities. Where this specification or NFPA 13 conflicts with UFC 3-600-01 the UFC 3- 600-01 shall prevail.

1-03 SYSTEM DESIGN

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A. Design automatic wet pipe sprinkler system in accordance with the required and advisory provisions of NFPA 13 and UFC 3-600-01 (where conflicts arise between NFPA 13 and UFC 3-600-1 the UFC-3-600-1 shall prevail), by hydraulic calculations for uniform distribution of water over the design area. The fire protection system for this building shall be classified generally as Light Hazard, except for mechanical and storage rooms.

Pipe sizes shall be determined by hydraulic calculation.

B. For clarification on construction limits of the fire protection, it shall include service main for the addition and the existing riser. Contractor is not responsible for the existing facility except as necessary to modify service main, modify/upgrade riser, and installation of new piping within the existing facility to serve the addition.

1-04 GUARANTEE

A. The entire fire protection installation, as specified under this section of the specifications, shall be guaranteed for one (1) year against defective equipment, materials and workmanship. The guarantee period is to begin on the date of acceptance of the project by the Owner.

B. The guarantee shall not be construed as requiring the Fire Protection Contractor to render service or maintenance required in the normal operation of the equipment, or to make repairs that may be needed due to normal wear and tear or the Owner's negligence, abuse, or breakage.

1-05 INSPECTIONS AND TESTS

A. All inspections, examinations and tests required by the authorities and/or agencies specified shall be arranged and paid for by the Fire Protection Contractor, as necessary to obtain complete and final acceptance of the Fire Protection System. The Fire Protection Contractor shall deliver certificates of all such inspections to the Project Engineer

1-06 EXISTING MAIN PRESSURES AT SITE

A. Based on 50 psi static, the flow was 450 gpm at 42 psi. Contractor shall perform flow test to verify.

B. The actual locations of mains, branch mains and sprinkler heads should be coordinated with other trades and shall meet all Code requirements.

C. The locations shown for items such as standpipes with hose valves, control valves, zone boundaries, etc., have been coordinated with the architectural and mechanical requirements, any deviations from the locations shown for this equipment should be verified.

1-07 SUBMITTALS

A. Hydraulic calculations

B. Manufacturer's Catalog Data

MDVL192129 – Repair Fire Suppression System, B104 February 2021

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1. Pipe and fittings

2. Alarm valves

3. Valves, including gate, check and globe

4. Water motor alarms

5. Sprinkler heads

6. Pipe hangers and supports

7. Pressure or flow switch

8. Fire department connections

9. Mechanical couplings

C. Shop drawings

1. Sprinkler heads and piping system layout

2. Electrical wiring diagrams

a. Sprinkler Heads and Piping System Layout: Prepare 30- by 42-inch detail working drawings of system layout in accordance with NFPA 13, "Working Drawings (Plans)." Show data essential for proper installation of each system. Show details, plan view, elevations, and sections of the systems supply and piping. Show piping schematic of systems supply, devices, valves, pipe, and fittings. Show point to point electrical wiring diagrams. These drawings shall have reviewed, approved and stamped by the appropriate fire department prior to submission to Engineer.

1-08 SPRINKLER RISERS

A. Sprinkler piping shall be connected to the existing fire sprinkler riser in the Mechanical

Room.

B. A standard installation of automatic sprinklers arranged as a wet pipe system should be installed as required by the computerized hydraulic analysis.

C. The water piping, valving, sprinkling equipment and hose connections shall be installed complete in all respects.

PART 2 – PRODUCTS (all materials shall be of domestic manufacture)

2-01 ABOVEGROUND PIPING SYSTEMS: Provide fittings for changes in direction of piping and for connections. Make changes in piping sizes through tapered reducing pipe fittings; bushings will not be permitted. Perform welding in the shop; field welding will not be permitted. Conceal piping in areas with suspended ceiling and exposed in mechanical room.

A. Sprinkler Pipe and Fittings: NFPA 13, except as modified herein. Steel piping shall be

Schedule 40/10 for sizes less than 8 inches. Fittings into which sprinkler heads, sprinkler head riser nipples, or drop nipples are threaded shall be welded, threaded, or grooved-end type. Plain-end fittings with mechanical couplings and fittings which use steel gripping devices to bite into the pipe when pressure is applied will not be permitted.

Rubber gasketed grooved-end pipe and fittings with mechanical couplings shall be permitted in pipe sizes 1.5 inches and larger. Fittings shall be UL FPED listed for use in wet pipe sprinkler systems. Fittings, mechanical couplings, and rubber gaskets shall be supplied by the same manufacturer. Steel piping with wall thickness less than Schedule

MDVL192129 – Repair Fire Suppression System, B104 February 2021

21 13 00 - 4

30 shall not be threaded. Side outlet tees using rubber gasket fittings shall not be permitted.

B. Sprinkler Heads: Provide nominal 0.50-inch or 0.53-inch orifice sprinkler heads. Release element of each head shall be of the intermediate temperature rating or higher as suitable for the specific application. Provide polished stainless steel ceiling plates or chromium-plated finish on copper alloy ceiling plates, and chromium-plated pendent sprinklers below suspended ceilings. Ceiling plates shall not be more than 0.5 inch deep.

Ceiling cups shall not be permitted. Provide upright sprinkler heads in spaces with no ceilings.

C. Cabinet: Provide metal cabinet with extra sprinkler heads and sprinkler head wrench adjacent to each alarm valve. The number and types of extra sprinkler heads shall be as specified in NFPA 13.

D. Alarm Valves: Provide variable pressure type alarm valve complete with retarding chamber, alarm test valve, alarm shutoff valve, drain valve, pressure gages, accessories, and appurtenances for the proper operation of the system.

2-02 ALARMS

A. Water Motor Alarm: Provide alarms of the approved weatherproof and guarded type, to sound locally on the flow of water in each corresponding sprinkler system. Mount alarms on the outside of the outer walls of each building, at a location as indicated.

B. Fire Alarm: Provide equipment for the automatic transmittal of an alarm over the building fire alarm system and arrange to actuate by detection system and by the flow of water in each sprinkler system. Provide supervision of detection and actuation circuits.

2-03 UNDERGROUND FIRE LINE

A. No underground piping is required in this project.

PART 3 - EXECUTION

3-01 INSTALLATION

A. Installation, workmanship, fabrication, assembly, erection, examination, inspection, and testing shall be in accordance with NFPA 13, except as modified herein. Install piping straight and true to bear evenly on hangers and supports. Do not hang piping from plaster ceilings. Keep the interior and ends of new piping and existing piping affected by Contractor's operations thoroughly cleaned of water and foreign matter. Keep piping systems clean during installation by means of plugs or other approved methods. When work is not in progress, securely close open ends of piping to prevent entry of water and foreign matter. Inspect piping before placing into position.

B. Electrical Work: Provide electrical work associated with this section under Division 26-

28, except for control and fire alarm wiring. Provide fire alarm system control and fire alarm wiring, including connections to fire alarm systems, in accordance with NFPA 70.

Provide wiring in rigid metal conduit or intermediate metal conduit, except electrical

MDVL192129 – Repair Fire Suppression System, B104 February 2021

21 13 00 - 5 metallic tubing conduit may be used in dry locations not enclosed in concrete or where not subject to mechanical damage.

C. Disinfection: Disinfect the new water piping affected by Contractor's operations in accordance with AWWA C651. Exercise caution when mixing chlorine disinfectant solutions. Fill piping systems with solution containing minimum of 50 parts per million of available chlorine and allow solution to stand for minimum of 24 hours. Flush solution from the systems with clean water until maximum residual chlorine content is not greater than 0.2 part per million or residual chlorine content of domestic water supply.

Obtain at least two consecutive satisfactory bacteriological samples from new water piping, analyze by a certified laboratory, and submit results prior to new water piping being place into service. Disinfection of system supplied by nonpotable water is not required.

D. Tests: Hydrostatically test each system at 200 psig for a 2-hour period with no leakage or reduction in pressure. Flush piping with potable water in accordance with NFPA 13.

Piping above suspended ceilings shall be tested, inspected, and approved before installation of ceilings. Test the alarms and other devices. Test the water flow alarms by flowing water through the inspector's test connection. When tests have been completed and corrections made, submit a signed and dated certificate, similar to the specified in NFPA 13.

E. Guarantee: The entire fire protection installation, as specified under this section of the specifications, shall be guaranteed for one (1) year against defective equipment, materials and workmanship. The guarantee period is to begin on the date of acceptance of the project by the Owner.

F. The guarantee shall not be construed as requiring the Fire Protection Contractor to render service or maintenance required in the normal operation of the equipment, or to make repairs that may be needed due to normal wear and tear or the Owner's negligence, abuse, or breakage.

END OF SECTION

MDVL192129-Repair Fire Suppression System, B104 May 2021

26 00 10 - 1

SECTION 26 00 10 - ELECTRICAL GENERAL PROVISIONS

PART 1 GENERAL

1.1 RELATED DOCUMENTS:

A. The “General Conditions” and “Special Conditions” of Contract as written and referred to hereinbefore are adopted and made part of Division 26.

B. All equipment and materials shall be new unless specifically indicated otherwise in the drawings or specifications.

1.2 DESCRIPTION OF WORK:

A. Provide equipment, labor, etc., required to install complete working electrical system as shown and specified.

B. Provide fixed electrical equipment, except where specifically noted otherwise.

C. Provide portable electrical equipment for complete system.

D. Provide equipment and wiring normally furnished or required for complete electrical systems but not specifically specified on the drawings or in specifications, as though specified by both.

E. All equipment and wiring shall be new.

F. Electrical work includes, but is not limited to:

1. Alterations and additions to existing electrical systems.

2. Connection of all appliances and equipment.

3. Complete alterations and additions to fire alarm system.

4. Provide temporary facilities for construction power.

5. Provide Government training on all systems. Refer to individual specification sections for requirements.

1.3 REQUIREMENTS OF REGULATORY AGENCIES:

A. Obtain and pay for all permits required for the work. Comply with all ordinances pertaining to work described herein.

B. Install work under this Division per drawings, specifications, latest edition of the

National Electrical Code, Local Building Codes, and any special codes having jurisdiction over specific portions within complete installation. In event of conflict, install work per most stringent code requirements determined by Contracting Officer.

C. Arrange, pay fees for and complete work to pass required tests by agencies having authority over work. Deliver to Contracting Officer D. Certificates of Inspection and acceptance issued by authorities.

1.4 QUALIFICATIONS OF CONTRACTOR:

26 00 10 - 2

A. Has completed minimum two (2) projects same size and scope in past five (5) years.

B. This qualification applies to Sub-Contractors.

C. Use workmen experienced in their respective trade. Submit qualifications of Superintendent for review.

D. Government reserves right to reject bid of any Contractor failing to meet these qualifications.

1.5 GENERAL JOB REQUIREMENTS:

A. Drawings and Specifications:

1. Electrical work is shown on “E” series drawings inclusive. Follow any supplementary drawings as though listed above.

2. Drawings and specifications are complementary. Work called for by one is as binding as when called for by both.

3. Drawings show general run of circuits and approximate location of equipment.

Right is reserved to change location of equipment and devices, and routing of conduits to a reasonable extent, without extra cost to Government.

4. In the event of conflict between drawings and specifications, refer conflicts describing electrical work and work under other Divisions to Contracting Officer for remedial action.

5. Use dimensions in figures in preference to scaled dimensions. Do not scale drawings for exact sizes or locations.

6. Execution of Contract is evidence that Contractor has examined all drawings and specifications related to work and is informed to extent and character of work.

Later claims for labor and materials required due to difficulties encountered, which could have been foreseen had examination been made, will not be recognized.

7. Charges for extra work not allowed unless work authorized by written order from Contracting Officer approving charge for work.

B. Visit to Site:

1. Visit site to survey existing conditions affecting work. Include necessary materials and labor to accomplish the electrical work. No consideration given to future claims due to existing conditions, or failure to visit the site.

C. Definitions:

1. Provide: Furnish, install and connect complete.

2. Wire: Furnish all necessary wiring and connect complete.

3. Install: Set in place and wire complete.

4. Work: Materials completely installed and connected.

5. AWG: American Wire Gage.

6. NEC: National Electrical Code (latest edition).

7. NFPA: National Fire Protection Association.

8. OSHA: Occupation Safety and Health Administration.

26 00 10 - 3

9. UL: Underwriters Laboratories, Inc.

10. NEMA: National Electrical Manufacturers Association.

11. IEEE: Institute of Electrical and Electronic Contracting Officers.

D. Workmanship, Warranty and Acceptance:

1. Work under this Division shall be first class with emphasis on neatness and workmanship.

2. Install work using competent mechanics, under supervision of foreman, all duly certified by local authorities. Installation subject to Contracting Officer’s constant observation, final review and acceptance. Contracting Officer may reject unsuitable work.

3. Furnish Contracting Officer written warranty, stating that when workmanship or material executed under this Division is proven defective within one (1) year after final acceptance, such defects and other work damaged will be repaired or replaced.

4. In event that project is occupied, or systems placed in operation in several phases at Government’s request, warranty will begin on date each system or item of equipment is accepted by Government.

E. Observations of Work and Demonstration of Operation:

1. At all observations of work, open panel covers, junction box covers, pull box covers, device covers, and other equipment with removable plates for check.

Provide enough personnel to expedite cover removal and replacement.

2. Contractor to assist Contracting Officer in demonstration of operation of new systems to satisfaction of Government. Contractor to have manufacturer available for demonstration of systems where requested by Government.

F. Materials and Substitutions:

1. All material shall be new, with U.L. label or equivalent testing agency where available.

2. Submitted items or components shall be listed on sheet one of submittal brochure complete with identification mark (from drawings), manufacturer, catalog number and any other pertinent information. Submittals will not be reviewed without this summary sheet.

3. Bind each set of submittal data. Submittals will not be reviewed when not bound.

G. Shop and Erection Drawings:

1. Submit complete shop drawings for all material and equipment furnished under

Section 28 46 20 of specifications, to Contracting Officer for review within thirty

(30) days after award of contract. Shop drawings shall be submitted on timely basis to allow adequate lead time for review, re-submission when necessary, manufacture and delivery to allow access of material to project at correct time based on schedule established by Contracting Officer/Contractor. Include complete descriptive data with dimensions, operating data and weight for each item of equipment. Carefully examine shop drawings to assure compliance with drawings and specifications prior to submittal to Contracting Officer. Shop

26 00 10 - 4 drawings and submittals shall bear the stamp of review of the Electrical and General Contractor as evidence drawings have been checked by them. Drawing submitted without this stamp of review will not be considered and will not be reviewed.

H. Cooperation:

1. Carefully coordinate work with other trades. Refer conflicts between trades to

Contracting Officer.

2. Work to be installed as progress of project will allow. Schedule of work determined by General Contractor and Contracting Officer.

I. Maintenance and Operating instructions for Equipment:

1. Submit to Contracting Officer three (3) sets of data prepared by manufacturer for each item of electrical equipment completely describing equipment. Data to include parts lists, description of operation, shop drawings, wiring diagrams, maintenance procedures and other literature required for maintenance of equipment. Bind in booklet form for presentation.

J. Record Drawings:

1. When work starts the Contracting Officer will furnish two (2) complete sets of white prints of the Electrical Drawings. All corrections, variations, and deviations, including those required by change orders, when any, must be recorded in colored ink or colored pencil at the end of each working day on these drawings. The marked prints shall always be available for the Contracting Officer’s inspection.

2. Prior to examining the request for final payment or making any response thereto, the Contracting Officer shall receive from the Contractor one (1) complete set of the white prints, marked as stated above, indicating the actual completed installation of the work included under this contract.

a. Block out areas modified by change order and identify them by change order number.

3. The Contracting Officer will forward the marked white prints to the Consulting

Contracting Officers for review. They will then be returned by the Contracting Officer to the Contractor for use in preparing record drawings.

4. When work is completed, contractor shall be provided CAD files (AutoCAD Version 2015) of Electrical Drawings for use in preparing record drawings.

Contractor shall transfer the information from the marked white prints to the CAD drawings, removing all superseded data in order to show the actual completed conditions. When record drawings are completed, provide one (1) set of translucent bond sheets, and one (1) complete set of CAD drawing files (AutoCAD Version 2015) on USB drive for Government. Provide Contracting Officer two (2) sets on USB drive in addition to those listed above.

K. Items for Government:

1. Provide following items for Government at time of substantial completion:

a. Certificates of inspection and acceptance from authorities having jurisdiction.

26 00 10 - 5

b. Certification of systems from installing Sub-Contractors for Fire Alarm.

c. Written warranty.

d. “Record” drawings.

e. Final reviewed shop drawings (1 set).

f. Maintenance data (3 sets).

g. Affidavit of Government Instruction (1 copy).

h. Test reports

L. Protection and Storage:

1. Do not leave exposed or unprotected, electrical items carrying current. Protect personnel from exposure to contact with electricity.

2. Protect work and materials from damage by weather, entrance of water or dirt.

Cap conduit during installation.

3. Avoid damage to materials and equipment in place. Repair, or remove replace damaged work and materials.

4. Exercise particular care when working around telephone (electronic) equipment to prevent entrance of dust, moisture and debris into the equipment. Provide dust barriers and partitions as required.

5. Deliver equipment and materials to job site in original, unopened, labeled container. Store to prevent damage and injury. Store ferrous materials to prevent rusting. Store finished materials and equipment to prevent staining and discoloring. Store materials affected by condensation in warm dry areas.

Provide heaters. Storage space on site and in building designated by Government/Contracting Officer.

6. Install equipment per manufacturer’s recommendations. Conflicts between contract documents and these recommendations, deferred to Contracting Officer.

M. Cutting and Repairing:

1. Cut and repair walls, floors, roof, etc., required to install work. Where work cut is finished, employ original installer of finish to repair finish. Do not cut structural members.

N. Anchors:

1. Provide anchors for all equipment, raceways, hangers, etc. to safely support weight of item involved. Anchors to consist of expansion type devices similar to “Redhead” or lead expansion anchors. Plastic anchors are not acceptable.

Protect telephone (telecommunication and data) equipment from drilling residue.

O. Cleaning and Painting:

1. Clean equipment furnished in this Division after completion of work.

2. Touch-up or re-paint damaged painted finishes.

3. Remove debris, packing cartons, scrap, etc., from site.

P. Attic Stock:

1. Provide in electrical pricing the following components to consist of labor and materials for complete installation:

26 00 10 - 6

a. Furnish and installed with all necessary programming to be an integral part of Fire Alarm system and 30 feet of circuit wiring in conduct connected to Fire Alarm wiring.

(1) 4 – Ceiling Mount Smoke Detectors

(2) 2 – Duct Detectors

(3) 4 – Audio/Visual Notification Devices

Q. Code Compliance:

1. Entire electrical installation shall comply with all aspects of code including local interpretations. This included but is not limited to:

a. Installation adjustment to meet all code clearances between electrical such as ductwork, other HVAC, plumbing, fire protection, and structural systems.

b. Locations for fire alarm appliances.

2. No additional compensation will be allowed for code compliance. Notify

Contracting Officer of difficulty encountered for assistance.

PART 2 PRODUCTS (Not Applicable)

PART 3 EXECUTION (Not Applicable)

END OF SECTION 26 00 10

26 05 05 - 1

SECTION 26 05 05 – SELECTIVE DEMOLITION FOR ELECTRICAL

1.1 DOCUMENTATION OF EXISTING CONDITIONS:

A. Before new work begins, the Contractor shall determine and document in writing to the

Architect the condition of existing electrical work and auxiliary systems remaining in service. After new work begins, existing electrical work or systems found to be inoperative or defective and not documented shall be repaired or replaced by Contractor at no additional cost to the Owner.

1.2 DEMOLITION OF EXISTING ELECTRICAL SYSTEMS:

A. Demolish existing electrical work, including auxiliary systems, in areas of existing building shown reworked. Coordinate removal of electrical systems with General Contractor and Owner.

B. In reworked areas, remove all fire alarm, i.e.: auxiliary system devices, unless otherwise noted. Remove existing fire alarm (wiring, outlet boxes). Abandon circuits concealed in concrete. Remove conductors from abandoned conduits. Leave existing branch circuits and feeders which run through reworked areas and serve existing equipment to remain in service, continuous and uninterrupted. Repair, re-terminate, re-support, etc., any damaged circuits.

C. Remove all abandoned fire alarm cabling.

1.3 CUTTING AND REPAIRING:

A. Cut and repair walls, floors, roof, etc., as required for installation of work in this Division. Employ professional installers of repair materials where repair work is major, or aesthetics are of primary importance.

B. Do not pierce exterior walls below grade with hanger bolts. Do not cut building structural members except as approved by Contracting Officer. Contracting Officer must approve cutting methods.

C. Repair work comparable with work cut. New finishes shall match adjacent finishes.

Contracting Officer will approve repaired work and may reject unsuitable work.

1.4 CONTINUITY OF SERVICE:

A. Provide continuous, uninterrupted electrical service to existing outlets, apparatus, and equipment in existing building. Provide temporary wiring installed in safe, approved manner to equipment and outlets as required. Where service interruptions are required, obtain approval for interruption in writing from Owner ten (10) days prior to interruption.

Include schedule of work to be performed and time required to accomplish work in request for interruption. Work during service interruptions may occur after normal working hours. Include premium (overtime) time labor in bid.

1.5 WORK IN RESTRICTED AREAS:

26 05 05 - 2

A. Work in areas normally restricted to public such as classified areas etc., will be done at the convenience of the Government. Most work will occur after normal working hours.

Include premium (overtime) labor in bid. Coordinate access areas with Owner and Contracting Officer prior to scheduling work.

1.6 USE OF EXISTING A.C. OUTLETS:

A. It is imperative only AC outlets in building walls and columns be used for electrical tools, cleaning equipment, etc. AC outlets installed for telephone or electronic equipment to be used for that equipment only.

1.7 SALVAGE:

A. Electrical equipment, wiring, etc., removed and not required to be part of new electrical installation is classified as salvage.

B. Salvageable equipment remains property of Government. Store at site and/or within building as directed by Contracting Officer. All items that the Owner does not retain shall be deemed “rubbish” and removed from the site by the Contractor.

END OF SECTION 26 05 05

26 05 19 - 1

SECTION 26 05 19 – CONDUCTORS (LOW VOLTAGE, 600 VOLTS)

1.1 DESCRIPTION OF WORK:

A. Furnishing, installing, and testing 600-volt conductors for lighting, power, and auxiliary systems.

PART 2 PRODUCTS

2.1 CONDUCTORS:

A. 98% conductivity copper; #12 AWG minimum; #10 AWG and smaller solid, #8 and larger stranded.

B. Conductors furnished with NEC, 600-volt, insulation as follows:

1. Type THHN, THWN - 2 or XHHW -2 (do not intermix in circuits)

C. Wiring for controls and auxiliary systems #14 AWG stranded minimum with NEC type

THWN-2 insulation.

D. Color Code as follows and/or per local ordinances. Conductors’ #10 and smaller with colored insulation. Conductors #8 and larger not available in colors, color coded with colored pressure sensitive tape. Apply minimum 2” of tape to each individual phase or neutral conductor in half lapped pattern. The equipment ground conductor shall be taped green for its entire exposed length. Color-code as follows:

Phase 120/208

Volts 277/480 Volts

A Black Brown

B Red Orange

C Blue Yellow

Neutral White White

Eq Grnd Green Green

E. Manufacturers of copper conductors: Pirelli, Phelps Dodge, Capital Cable, Rome

Southwire, Senator, Essex, American, or approved equal.

PART 3 EXECUTION

A. Install wiring complete with connections to equipment.

B. No wiring installed until after plastering and similar work is complete and dry.

26 05 19 - 2

C. Install wiring so conductors are not in tension in completed system.

D. Form wiring neatly and group in circuits. Tie grouped conductors with nylon ties, T&B “Tyrap” or approved equal.

E. Use pulling compound of Ideal “Yellow 77”, Minerallac No. 100, or approved equal.

F. Join and terminate copper conductors individually.

1. Lugs in damp locations connected to copper bus: 98% conductivity copper or bronze

Thomas & Betts “Locktite”, Burndy “QA” or approved equivalent.

2. Lugs in dry locations and lugs connected to aluminum bus – heavy casting aluminum, CU/AL rated, listed under UL Standard 486B, rated 90 degrees C; plated to prevent electrolysis, Thomas & Betts, Blackburn, Ilsco or approved equivalent.

G. Provide lugs where not furnished as part of equipment – furnish as specified above, to connect all conductors.

H. Furnish lugs for conductors’ #2/0 and larger with two bolt tongue or approved equivalent.

I. Make conductor taps #8 and larger from a second conductor with 98% conductivity bolted insulated connector, T&B “IDT”, Ilsco “KUP-L-TAP” or approved equivalent.

Insulate splices with 600 volt “heat shrink” covers T&B or equal.

J. Splice conductors #8 and larger with solid copper barrel, type fittings applied with an appropriate hydraulic tool. Splices used only where approved. Splice fittings: Burndy “Hydent”. Insulate splices with 600 volt “heat shrink” covers T&B or equal.

K. Joints #10 and smaller: T&B Sta-Kon wire joints EPT66M, with insulating caps, installed with WT161 Tool or C nest of WT11M Tool; Ideal Super/Nuts; Ideal Wing Nuts; 3M “Scotch lock” or Buchanan Electric Products B Cap or Series 2000 Pressure connectors complete with nylon snap on insulators installed with C24 pressure tool.

Where joints are made in damp or wet locations insulate splices with 600 volt “heat shrink” covers T&B or equal.

L. Provide cable supports: As required by NEC. Supports with malleable screwed conduit fitting and non-conductive wedges drilled for the conductors; O.Z. Manufacturing Company or approved equal. Furnish pull box, sized per NEC for each cable support.

M. Bond circuit ground wires where installed to all devices, equipment, outlet and junction boxes, and grounding bushings (where provided) with a full-size conductor and screw type connection.

N. Securely fasten non-ferrous identifying tapes, pressure sensitive labels or engraved nameplates to all cables, feeders, and power circuits in vaults, pull boxes, manholes, switchboard rooms, terminations of cables, etc.

O. Mark all branch circuit conductors at panel terminations including neutrals with pressure sensitive numbers to correspond to circuit numbers connected.

26 05 19 - 3

P. Connect circuits and feeders as shown on drawings. Drawings are diagrammatic and do not show every detail required in the wiring system. Detail wiring accomplished per

NEC.

Q. All conductors making up parallel feeders to be same size, same type, and same insulation, all cut same length. Bond each group of conductors making up a phase or neutral at both ends in an approved manner.

R. DO NOT COMBINE CIRCUITS unless specifically approved by the Contracting

Officer. No more than 6 current carrying conductors in a circuit. Multi-Wire branch circuits are not allowed. Provide Neutral conductor for each phase conductor on single pole applications.

END OF SECTION 26 05 19

26 05 26 - 1

SECTION 26 05 26 - GROUNDING

PART 1 GENERAL

1.1 SCOPE OF WORK: Grounding Details

PART 2 PRODUCTS

2.1 SYSTEM GROUNDING:

A. Bond and ground main service neutral, cabinets, equipment, conduits, metallic piping systems, etc., per the latest edition of NEC.

B. Ground conductors – 98% conductivity copper, either bare or with green THWN insulation. Other conductor requirements same as described for low voltage, 600 volts, conductors.

C. Ground Connections:

1. Make with mechanical connectors where accessible and with “Cadweld” or approved equivalent where inaccessible.

2. Use high alloy cast copper and/or silicon bronze mechanical connectors with Hex or Allen head bolts where permitted.

3. Use Burndy “GAR”or approved equivalent.

4. Size as required for piping connections.

5. Thoroughly clean prior to installation of clamps and/or lugs.

6. Use bolted or screwed on mechanical connectors. Do not use clip-on connections.

7. Bond ground conductor to metal raceway at each end of the run and at each junction box or pull box.

8. Seal connections between dissimilar metals (i.e.: bronze to steel), with approved epoxy resin.

9. Coat connections with “No-OXID-A” compound as manufactured by Dearborn

Chemical Company or approved equal.

D. Provide lighting and power circuits with green covered ground wire sized per NEC, or as shown, except not smaller than #12 AWG. Bond ground wire to all outlet boxes, junction and pull boxes, cabinets, equipment, etc., with self-tapping screw or bolt and appropriate lug. See Section covering “Raceways” for use of grounding bushing.

PART 3 EXECUTION

3.1 EQUIPMENT GROUND ‘GREEN WIRE CONCEPT’:

A. Ground electrical equipment enclosures and conductor enclosures including metal raceways, outlet boxes, cabinets, switch boxes, motor frames, diesel engine frame, transformer cases, metallic piping systems such as water, gas, waste, air and metallic enclosures for all electrical equipment.

26 05 26 - 2

B. Provide separate grounding conductor for all circuits to insure adequate ground fault return path.

C. Install separate ground conductors in conduit.

D. Bond green wire to equipment enclosure at source and at apparatus served.

E. Insulate grounding conductors’ size to carry ground fault current safely. Minimum size for green wire grounding lead per N.E.C. or as indicated.

F. Do not use grounded current return conductors (neutrals) for equipment grounding.

Connect common grounding lead to supply side of service disconnect unit only.

G. Do not ground neutral conductor after it has been grounded at service entrance, or transformer secondary.

H. Maintain electrical continuity of conduit systems by threaded fittings with joints made-up wrench tight. Install insulated bushing and locknuts on terminating conduits. Provide conduits containing ground wires with grounding bushings bonded to ground wire with short full-size jumper.

END OF SECTION 26 05 26

26 05 29 - 1

SECTION 26 05 29 – OUTLET BOXES, JUNCTION BOXES AND GUTTERS

1.1 DESCRIPTION OF WORK:

A. Outlet, junction boxes, conduit bodies, wiring gutters and their installation.

PART 2 PRODUCTS

2.1 OUTLET AND JUNCTION BOXES:

A. Provide wiring devices, fixtures, and special system outlets with outlet box. Use galvanized steel for concealed boxes and exposed boxes in dry locations. Use cast iron conduit fittings like “Condulets” or “Unilets” with threaded hubs for exposed boxes outside and exposed to moisture.

B. Concealed outlets and exposed outlets in unfinished spaces for lights, switches, wall receptacles, etc.; consist of standard galvanized steel outlet boxes and plaster rings.

1. Provide 1/16” thick boxes and covers of form and dimension adapted to its specific use and location, kind of fixture to be used and number, size and arrangement of connecting conduits.

2. Provide 3/8” fixture studs where required.

3. Ceiling Outlet Boxes: 4” octagonal or 4-11/16” square as required, due to number of wires, and 2” deep minimum. Ceiling boxes in slabs concrete type.

Plaster rings not required for ceiling outlet unless needed for device.

4. Paint junction boxes provided with blank covers to match surroundings, except use blank device plates in finished areas.

5. Steel City, Appleton, Raco, Bowers or approved equivalent.

C. Use galvanized cast iron boxes, approved equivalent to Crouse-Hinds type “FS” or Appleton condulets, with appropriate covers for wall outlets in exposed conduit work and exposed to moisture.

D. Use galvanized cast iron boxes equivalent to Crouse-Hinds type GRF for ceiling outlets in exposed conduit work exposed to moisture.

E. Use square cut steel outlet boxes for outlets exposed in finished locations. Use round or square to adapt to device installed. Wiremold, Hoffman or approved equivalent.

2.2 CONDUIT BODIES:

A. Conduit bodies shall be installed to provide ease of pulling conductors and to provide neat appearance of conduit installation, and as shown on drawings. Conduit bodies constructed of malleable iron or copper free aluminum castings. Bodies shall be finished with standard durable exterior coatings of manufacturer specified. Provide rollers in type “C” and type “LB” bodies, 1-1/4” size and larger. Provide gasketed plated steel or malleable iron covers.

26 05 29 - 2

B. Conduit bodies shall be manufactured by Crouse-Hinds, Pyle National, Killark, Appleton or approved equivalent.

PART 3 EXECUTION

3.1 INSTALLATION OF OUTLET BOXES:

A. Fasten outlet boxes securely to structure.

B. Set all flush outlet boxes so edge of device flange is flush with finished surface.

C. Open no more knockouts in outlet box than required.

D. Seal boxes during construction.

E. Stagger back to back boxes 3” minimum. In rated walls use appropriate U.L. spacing.

F. Coordinate and verify rough-in location and mounting height of all boxes with drawings and other trades prior to installation.

G. Support All Boxes:

1. Outlet boxes – with ¼” diameter galvanized rods or bolts anchored to structure.

2. Outlet boxes for surface mounted luminaires on furred ceilings with ¾” channel iron fastened to ceiling channels. See Section covering “Luminaires”.

3. Pull, junction and cable boxes with 3/8” diameter galvanized rods or bolts (4 minimum).

4. Support outlet boxes in steel stud partitions with Caddy “BHA” bar hangers or approved equivalent.

H. Install adjacent outlets at different levels in one vertical line where possible.

I. Provide green covered bonding jumper, screw connected to outlet box in all receptacle boxes.

J. Paint wiring connections in ground mounted outlets or floor outlets in wet locations with “Scotchkote” and fill box with “Duxseal” (or approved equals).

K. Mark outlet box covers with permanent ink markers to indicate circuit number(s) and panel of origination. Use black markers for normal service circuits and orange for emergency service.

L. Use 4” octagonal boxes with blank covers for master outlets, installed to permit installation of collars by others.

M. Where outlet boxes installed in unfinished concrete walls or columns, provide 1” deep plaster ring with box and ring set in position before the concrete is poured so concrete will fill around the ring and cover plate can be installed flush with the unfinished surface.

In case of brick walls, follow same procedure with mason filling around the plaster ring with mortar.

26 05 29 - 3

N. Install all outlets located on columns on centerline of column and bend or shift reinforcing so that the outlet box will be flush with the finished concrete. Provide plaster rings as required so that the plate is flush with the finished plaster or exterior concrete surface.

O. Where outlets installed in waterproofed columns or walls, provide 6” x 6” x 3” deep wood box placed in the forms before concrete is poured. Box will be removed before waterproofing is applied. General Contractor will waterproof wall and opening, after which Electrical Contractor will install outlet box. General Contractor will grout around box. Set boxes carefully so that cover plates will be flush.

P. Install conduit bodies where shown or where required for sharp bends and/or aesthetics in raceway system. Do not use in lieu of pull boxes except in limited space or as directed by Contracting Officer.

3.2 INSTALLATION OF JUNCTION BOXES:

A. All junction boxes shall be accessible.

B. Securely fastened to structure.

C. Exterior below grade boxes shall be embedded 6” of concrete on sides and bottom. Top shall be level with finished grade unless shown otherwise.

D. There shall be no more knockouts opened in any box than are required.

E. Protect during construction.

F. Identify see Section 26 00 10 – Electrical General Provisions.

END OF SECTION 26 05 29

26 05 33 - 1

SECTION 26 05 33 - RACEWAYS

PART 1 GENERAL

1.1 DESCRIPTION OF WORK:

A. The accompanying General Conditions shall apply to and form a part of this Section.

PART 2 PRODUCTS

A. Rigid galvanized steel conduit to conform to ASA Standard C80.1 and U.L. Standard No.

6 for rigid metallic conduit, except hot dipped galvanized after threading. Conduits manufactured by Republic, Wheatland, Southwire, Clifton, Triangle or Walker (or equal).

1. Fittings, ells, couplings, etc., galvanized threaded type meeting above standards.

Thread less fittings not allowed.

2. Terminate rigid conduit with two locknuts, one inside, one outside of the cabinet, junction or outlet and a bushing. Bushing – malleable iron with smooth bakelite ring molded into edge of bushing to prevent damage to cable, OZ Manufacturing Company, type “B” or approved equal. Where grounding bushings are required, construction of bushing like above except a lug provided for grounding connection, OZ type “BLG” or approved equal.

B. Rigid intermediate grade conduit, IMC, to conform to UL Standard No. 1242, hot dipped galvanized or approved equivalent. Manufactured by Allied, Southwire,or ETP (or equal).

1. All fittings, ells, couplings, etc., constructed to same standards as rigid steel conduit. Fittings – threaded type with all threads engaged. Use “Uni-swivel” couplings in dry locations only (or equal).

2. Conduit terminations same as rigid steel conduit.

C. Flexible steel conduit, “Greenfield”, continuous spirally wound and inter-locked, thread less, galvanized conforming to U.L. and CSA Standards for flexible steel conduit; manuf.

by National Electrical Products or International Metal Hose Company (or equal).

1. Connectors and fittings galvanized steel, thread less type with insulated throats, U.L. approved for grounding means, Thomas & Betts, Efcor, Midwest, Appleton, Raco, Steel City or ETP (or equal).

D. Liquid tight flexible steel conduit constructed similar to flexible steel conduit above, except with polyvinyl chloride jacket, as manufactured by Anaconda “Sealtite” or Robroy

– “Flex” (or equal).

1. Fitting Assembly – sealing type, with steel gland, nylon ring and ground cone inside locknut. All fittings with insulated throat, U.L. approved for grounding means. Fittings – Thomas & Betts, Efcor, Midwest, Appleton, Raco, Steel City or ETP (or equal).

E. Electrical metallic tubing, EMT, thread less, steel type conforming to ASA Standard C80.3 galvanized inside and out, and with additional corrosion resistant finish. EMT

26 05 33 - 2 manufactured by Republic, Wheatland, Pittsburgh Standard, Southwire, Clifton, Spang-Chalfont, Triangle, Walker, or ETP (or equal).

1. Fittings, connectors, couplings, etc., insulated throat galvanized steel screw indentor Thomas & Betts, Efcor, ETP, Midwest, Raco, Appleton or Steel City (or equal).

PART 3 EXECUTION

3.1 INSTALLATION:

A. Install conduit as follows:

1. Use rigid steel or intermediate grade conduit for:

a. Circuits in hazardous and wet locations.

b. Circuits exposed to mechanical damage.

2. Use electrical metallic tubing, EMT, for:

a. Branch circuits (conduit 1” diameter and smaller) in dry locations.

b. Fire Alarm System.

3. Use type EB conduit for exterior concrete encased application where shown.

B. Size conduit per NEC. Minimum size 3/4” diameter, but no more than 7 #12 installed in 3/4” conduit.

C. Run conduit concealed where possible. Run concealed conduit above furred ceiling in an orderly manner. Multiple conduits grouped and run parallel.

D. Exposed Conduit: Use only where specifically shown or approved. Run perpendicular to building walls and partitions and tight against structure. Conceal vertical portion of conduits where possible.

E. Paint conduit fittings and threads exposed to moisture with Rustoleum silver paint (or equal) after installation.

F. Furnish offsets required to meet field conditions. Make bends in conduit in accordance with the National Electrical Code, except make minimum radius of 6 times conduit diameter or 6” whichever is greater. Bend IMC conduit without deforming.

G. Where conduit crossed expansion joints, install expansion type fittings OZ type EX with bonding jumper or approved equal.

H. Make connections to equipment away from wall with conduit extensions exposed from ceiling to floor, anchored with floor flange and/or angle frame as required. Make connections to equipment with flexible conduit from tee condulet in conduit riser.

I. Vibrating equipment and equipment requiring adjustment, i.e.: motors, transformers, etc.

make final connections with flexible conduit.

J. Use liquid tight flexible conduit where exposed to moisture, oil, etc.

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K. Install conduit to avoid hot water pipes. Maintain 9” clearance of such pipes unless closer crossings are unavoidable. Maintain minimum 1” clearance from covering of pipe crossed.

L. Support conduit per NEC. Support individual conduits with galvanized hangers and rods as follows:

1” diameter and smaller………………………………………………….1/4” dia. Rod 1-1/4” to 3” diameter……………………………………………….…… 3/8” dia. Rod Larger than 3” diameter………………………………………………… 1/2” dia. Rod

M. Individual conduit hangers – Minnerallac or approved equal. Support EMT near each joint. Support for multiple conduit runs consist of Unistrut channel as required with ½” diameter galvanized bolts or rods anchored to structure.