Attachment IV- General Specifications for Electrical Installations.pdf

Subject: General Specifications for Electrical Installations Page 1 of 11

TC-RD-6950-0120

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William J. Hughes FAA Technical Center Atlantic City International Airport Atlantic City, New Jersey 08405

GENERAL SPECIFICATIONS for ELECTRICAL INSTALLATIONS

Revision : 1

Effective Date: 12/30/07

Subject: General Specifications for Electrical Installations Page 2 of 11

ALL HARDCOPY VERSIONS OF THIS DOCUMENT ARE UNCONTROLLED.

Check at http://plant.act.faa.gov/iso/ to verify that this is the correct version before use.

1. PURPOSE. These general specifications reflect the current technology changes, incorporate the latest commercial standards and cover the minimum requirements for electrical installations at the FAA Technical Center

2. DISTRIBUTION This specification applies to all FOT & FET .

3. CANCELLATION None

4. BACKGROUND. The Facilities Operations Team (FOT) and Facility Engineering Team (FET) is the authority having jurisdiction for all the buildings and any electrical work performed at the Technical Center. All work shall comply with the rules, regulations and specifications set forth.

5. SCOPE These general specifications reflect the current technology changes, incorporate the latest commercial standards and cover the minimum requirements for electrical installations at the FAA Technical Center. When the phrase “Unless otherwise indicated” or similar wording appears on the drawings or in the statement of work and refers exclusively to other FAA specifications, orders or documents they will become applicable for those specific parts of the contract.

Otherwise, these specifications will be a part of any request for proposal, statement of work or drawing.

6. APPLICABLE DOCUMENTS The current issue of the following reference documents in effect on the date of the invitation-for-bids or request for proposals form a part of this specification. Where applicable, other documents will be incorporated in the drawings or statement of work.

6.1 a. National Electrical Code NFPA 70 (NEC)

b. National Electrical Manufactures Associations (NEMA) Standards

c. Underwriters’ Laboratories (UL) Standards.

d. American National Standards Institute (ANSI)

e. International Organization for Standardization (ISO)

f. Life Safety Code NFPA 101

g. Safety Standards Act (40 U.S.C. 327)

h. FAA STD 019

7.0 MATERIALS

a. The contractor shall supply/furnish all materials not specifically identified as Government Furnished Materials in the invitation-for-bids or request for proposal and all the material/equipment shall comply with all the requirements of the contract documents. All material supplied by the contractor shall be new unless previously authorized or specified.

Subject: General Specifications for Electrical Installations Page 3 of 11

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b. All material or equipment remaining on the premises 30 days past the completion date of the project shall be forfeited unless otherwise specifically permitted in the contract.

8.0 INSTALLATION

a. Work requiring a temporary or permanent de-energizing of major distribution equipment shall be scheduled in writing with the onsite FAA point of contact.

Only onsite FAA maintenance personnel or designee are authorized to energize or de-energize equipment.

b. Work procedures shall include lock-out/tag-out procedures in accordance with FAA order 3900.49

c. Burn permits required for applicable work.

d. Confined space entry permits required for applicable work

9.0 TERMINOLOGY Words and passages indicating particular emphasis shall be carefully noted:

a. “Furnish” means furnish only

b. “Install” means install only

c. “Provide” means furnish and install

10.0 MATERIALS AND EQUIPMENT FURNISHED BY OTHERS

a. All materials shall be entirely suitable for the application.

b. Install all electrical work in, or on, equipment furnished by others in accordance with the equipment manufacturer’s instructions. Obtaining these instructions shall be considered a part of these specifications.

11.0 NOISE LEVELS Select equipment with the minimum standard noise levels satisfactory for each type of application, noise and vibration levels to be subject to the approval of the FAA.

12.0 ENERGY CONSERVATION Select energy efficient products wherever possible.

. Follow requirements in E.O. 13423. (h) ensure that the agency (i) when acquiring an electronic product to meet its requirements, meets at least 95 percent of those requirements with an Electronic Product Environmental Assessment Tool (EPEAT)-registered electronic product, unless there is no EPEAT standard for such product, (ii) enables the Energy Star feature on agency computers and monitors,

(iii) establishes and implements policies to extend the useful life of agency electronic equipment, and (iv) uses environmentally sound practices with respect to disposition of agency electronic equipment that has reached the end of its useful life. When selecting switchgear, specify metering capability.

Subject: General Specifications for Electrical Installations Page 4 of 11

ALL HARDCOPY VERSIONS OF THIS DOCUMENT ARE UNCONTROLLED.

Check at http://plant.act.faa.gov/iso/ to verify that this is the correct version before use.

13.0 DRAWINGS

a. Drawings are diagrammatic and indicate general arrangement of systems required of the work to be performed.

b. Do not scale drawings, use dimensions.

c. Obtain exact locations of equipment not specifically indicated.

d. Contractor shall provide as-built documentation, samples, manuals and manufacturers warranties.

e. When required by the contract or at the direction of the contracting officer, the contractor shall supply shop drawings for review.

14.0 SPECIFIC REQUIREMENTS

14.1 CONDUIT TYPES

a. Unless otherwise noted, electrical metallic tubing (EMT) shall be the standard. Thin wall steel shall be unthreaded electrical tubing, galvanized outside and inside and furnished in standard lengths.

b. Flexible metal conduit (Greenfield) and flexible metal tubing (Liquidtite) shall be used in limited lengths only where permitted by the NEC.

c. Fittings for all EMT conduit 1/2” and larger shall be of the compression type for all outdoor and indoor applications.

d. Where a conduit enters a box or other fitting, an insulated bushing or adapter shall be provided to protect the wire from abrasion unless the design of fitting is such as to provide equivalent protection.

e. PVC schedules 40 and 80 shall be allowed for exterior or direct burial applications except where noted.

f. Minimum size conduits for power, lighting, and communication circuits shall be ¾” unless otherwise noted.

g. All conduits shall be supported within the first 2 feet when leaving a junction box, pull box or panel board. All conduits for fire, security circuits and communication wiring shall be identified. All exposed conduits that carry conductors in excess of 600 volts ac shall be identified with lettering stating their voltage. All trapeze hangars shall not exceed a span of 8’ between support members. The minimum rod support for conduits under 2” shall be 3/8”.

All cantilever hangars shall not support a load of over 300 lbs without an engineering review. All 400-cycle circuits shall be installed in aluminum raceways.

14.2 CABLE TRAYS

a.

14.3 WIRE WAYS/WIRE TROUGH

a.

Subject: General Specifications for Electrical Installations Page 5 of 11

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14.4 WIRES AND CABLES

a. All branch and feeder wiring in conduit or cable assemblies shall be copper, thermoplastic covered insulated, 90 degree C. Type THHN/THWN, 600 volt rated unless otherwise specified. All wire shall be stranded unless otherwise indicated.

b. Where conductors connect directly to equipment, the insulation temperature rating of the conductor shall meet or exceed the temperature rating of the specific equipment terminals.

c. The smallest sized conductors permitted are:

1. Lighting and power branch circuits # 12 AWG

2. Control circuits # 14 AWG

3. Lighting fixtures (pig tails) # 16 AWG

4. Fire alarm systems # 14 AWG

5. Branch circuits rated 120/208 volts and longer than 100 feet from the panel board shall be a minimum of # 10 AWG.

d. Direct burial wiring shall be Type UF or USE unless noted.

e. Equipment grounding conductors shall be insulated and colored green.

Isolated equipment grounding conductors shall be green with yellow stripes or identifying bands of green/yellow tape. Identification shall be maintained at all terminations and pull boxes,

f. Color code all conductors and designate the neutral conductor (white or white with tracer) to distinguish it from the phase conductors.

g. Metal Clad Cable: Contractor may use type MC having a temperature rating of 90 degree C, copper conductors, 600 volt insulation and an identified insulated grounding conductor. Use connectors and terminations approved for use with MC cable. MC cable runs shall be limited to runs of 10’ or less and connected to only one device unless otherwise noted.

h. Unless otherwise indicated, all single and multi-conductor high voltage cables rated 2000-35000 volts shall be shielded with the insulation rated @ 90 deg. C. Insulation shall be type (EPR) and have a 133%. insulation level. In addition, all cables shall be type MV90 and be suitable for direct burial or installation in underground ducts in dry or wet locations.

14.5 WIRE CONNECTIONS

a. Connectors for wire # 10 AWG or smaller shall be “Ideal” type wing nut with nylon jacket or the equivalent.

b. All connectors for conductors # 8 AWG or larger shall be compression type. Other connection methods require prior approval.

c. Splices shall be made only in accessible junction boxes, outlet boxes, wire ways, troughs and manholes.

d. Medium voltage splice kits and terminations shall be approved by an FAA representative.

Subject: General Specifications for Electrical Installations Page 6 of 11

ALL HARDCOPY VERSIONS OF THIS DOCUMENT ARE UNCONTROLLED.

Check at http://plant.act.faa.gov/iso/ to verify that this is the correct version before use.

14.6 PULL AND JUNCTION BOXES

a. All new 2” conduit runs installed under raised floors shall require an 18” x 18” x 6” minimum pull and / or junction box, unless otherwise indicated.

b. All new conduit runs larger than 1” shall be installed with a pull box every 100’ above grade and every 150’ below grade.

c. All pull, or junction, boxes shall be supported independent of the raceway supports.

d. All pull boxes and junction boxes shall be sized a minimum of two times the largest conduit for all power circuits with raceways larger than ¾” trade size.

14.7 COVER PLATES

a.

14.9 CIRCUIT BREAKERS (low voltage)

All circuit breakers shall be a molded case, bolted style with a fixed thermal magnetic trip type mechanism or an electronic solid-state trip type if indicated.

15. INSTALLATION REQUIREMENTS

a. Furnish, install or provide all materials, equipment and accessories required in the scope of work. Select and arrange to fit properly into the building.

b. Include in the scope of work, minor details not shown or specified, but manifestly necessary for the proper installation and operation of the various systems, as if specified or not.

c. Position and install all material and equipment to permit proper access for the preventative maintenance or repairs which can then be accomplished with minimum cost and effort.

d. Perform the installation in accordance with all the manufacture’s instructions and recommendations. Such instructions and recommendations are hereby made a part of these specifications.

e. If any departures from the contract documents are deemed necessary, submit details of such departures and the reasons therefore to the FAA representative or government designee for approval.

f. In all cases, specific details and instructions included in the contract documents take precedence over these general specifications for electrical work.

g. Contractor shall identify and list any conflicts found in the contract documents.

16. LAYOUT AND COORDINATION

a. Layout all work from approved building lines and established benchmarks.

Verify and be responsible for the correctness of all measurements in connections in the scope of work.

b. Examine the drawings of other trades where applicable and initiate cooperation and coordination of the work with that of other trades.

Subject: General Specifications for Electrical Installations Page 7 of 11

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c. Make reasonable modifications in the layout of the work, as directed by the FAA representative to prevent conflict with the work of other trades at no cost to the contract sum.

d. No changes are to be made in the original design without written approval by the FAA representative or government designee.

17. CUTTING AND PATCHING

Except where otherwise specified, provide cutting, patching and refinishing work to match as close as possible to the existing conditions.

18. WIRING METHODS

a. Conceal conduit and wiring in all finished areas unless otherwise indicated.

b. All wiring for emergency lighting and power for fire alarm systems shall be in metallic raceways.

c. Unless specifically indicated otherwise, multiwire branch circuits ( two or three phase conductors with a common neutral) shall not be allowed. If permitted, each branch circuit shall have a dedicated neutral one trade size larger than that of the phase conductor and the dedicated equipment grounding and/or isolated grounding conductors.

d. Use wiring pulling compound/lubricant in conduits for pulling #4 AWG wire and larger.

e. The removal of any electrical item where indicated, shall include the removal of associated unused wiring back to the panel board or the remaining active device/junction box. The continuity of the remaining circuits shall be maintained.

f. Provide fire sealing at all electrical penetrations required for any conduit wiring or cabling that pass through an area.

g. All control wiring to have mechanical protection.

AC and DC circuits shall not be installed in the same raceway.

Maintain a minimum distance of 6” between AC and DC control circuits to minimize voltage spikes.

j. All receptacles and switches shall be spec grade and a minimum of 20 amp rated unless otherwise noted.

19. PROTECTION OF WORK

a. Protect all conduits, fittings, panel boards, transformers and other equipment before and during installation. Keep them clean.

b. Assume full responsibility for the cost of repairing or replacing any damaged work or material caused by employees working under this contract.

20. WORKMANSHIP

Subject: General Specifications for Electrical Installations Page 8 of 11

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a. Electrical equipment shall be installed in a neat and workmanlike manner in accordance with the latest and best practices of the trade.

b. Only workmen skilled in this type of work shall be employed and utilized by the contractor in the execution of this work.

c. Cross utilization of trades is permitted pending prior review and approval.

21. OPERATION OF SYSTEMS

a. Upon completion of work and tests, operate all systems installed, in all parts, at the contractors’ expense for a sufficient length of time to demonstrate the mode of operation and to determine whether the systems as a whole are in first class working condition.

b. Provide personnel and experienced manufacturers representatives to assist and instruct the FAA’s authorized employees fully in the operation, adjustment and maintenance of systems and equipment installed under this contract.

22. IDENTIFICATION AND REFINISHING

a. Touch up any finishes marred during construction.

b. Identify each piece of electrical equipment as to the panel designation and circuit number.

c. Identify each newly installed branch circuit in panel directory.

d. Update directories for removed circuits.

23. GROUNDING

a. Grounding shall comply with the NEC Article 250 as a minimum and shall, in specifically indicated equipment, follow the FAA design intent and shall be subject to the approval of the authority having jurisdiction.

b. Where applicable, the grounding electrode conductor shall be bare or insulated copper and shall be sized as shown in the contract documents.

c. Where applicable, an earth electrode system (counterpoise) shall be installed or added to as shown in accordance to details in the contract documents and be connected by the exothermic welding method.

d. There shall be no interconnections between the equipment grounding conductor and the neutral conductors except at the main service and any separately derived sources.

e. Ground fault circuit interrupters (GFCI) shall be installed in all locations required by the NEC and in other locations as indicated on the drawings.

f. Isolated ground terminal receptacles shall only be used where indicated on the drawings. All isolated ground receptacles shall be colored orange.

g. All conduit networks and systems shall require the installation of an equipment-grounding conductor.

23. PHASE ARRANGEMENT/LOAD BALANCING

a.

Subject: General Specifications for Electrical Installations Page 9 of 11

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24. SHORT CIRCUIT ANALYSIS/COORDINATION

25. SURGE PROTECTION

a. All electrical surge protection systems shall be installed in accordance with FAA-STD 019.

b. For FAA owned transformers, proper protection shall be provided on the primary side of the transformer.

c. A fused surge arrestor provided with disconnect capability shall be installed on the line (supply) side of the service as close as possible to the service terminals.

d. Where transient suppression devices are installed in the electrical power distribution system, they shall be installed in accordance with the manufacturer’s instructions unless otherwise specified.

26. MOTOR CONTROLS

a.

27. TRANSFORMERS

a.

28. LIGHTING FIXTURES

All incandescent, fluorescent, LED and HID (mercury vapor, metal halide, and high and low-pressure sodium) shall be of the types indicated on the drawings and specifications. All applicable lighting fixtures shall have energy efficient ballasts, be UL approved and bear the UL or an equivalent underwriters testing laboratory label.

29. SIGNAL/COMMUNICATION RACEWAYS

a. For installations in other than duct banks and cable trays, section 10.1 (conduits) is also applicable for communication and signaling circuitry.

c. All conduits installed for future use by others, such as for telephones, communications and electronic signaling etc. shall have both ends capped off and a pull string installed.

30. UNDERGROUND WIRING

a.

31. INSULATION RESISTANCE TESTS

32. WORKING HOURS

Subject: General Specifications for Electrical Installations Page 10 of 11

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Normal working hours ( 7:30 AM until 4:30 PM, Monday thru Friday) is anticipated unless otherwise indicated because of operational or other scheduling considerations.

33. SALVAGED MATERIAL

All material considered to be, or indicated to be, in the statement of work as salvaged shall be delivered to building #206 during regular working hours for processing.

34. SECURITY

a. All FAA badged contract employees are required to have all of their temporary employees badged and vehicle passes issued while working at the facility. Badges and vehicle passes are available at the Security Operation Center located at the main entranceway to the Technical Center.

b. Temporary employees are not allowed in any unauthorized areas.

c. Check with security for any escort requirements.

35. SAFETY

a. Contractor to ensure compliance with all safety procedures and OSHA regulations by their employees during the performance of any work.

b. Contractor to review government furnished self-inspection checklist and comply with all applicable sections.

c. Contractor to provide adequate safety barricades, signs and signal lights where applicable.

36. GENERAL REQUIREMENTS

a. Contractor to provide bond agreements where considered applicable by the government.

b. Contractor to provide construction progress schedule upon request indicating start and completion dates.

c. Contractor to supply material and labor cost breakdowns where applicable.

d. Contractor to provide required submittals, project status report and progress schedule when required.

e. Contractor to provide a list of company supervisory personnel and foremen including emergency phone numbers.

f. Contractor shall obtain a building permit from the Facilities Engineering Division and post it in a conspicuous location at the job site.

g. All projects unless otherwise specified shall be completed in 60 days.

h. Invoices for payment will be approved upon completion and acceptance of the entire project unless a progressive payment schedule is authorized in the contract documents.

i. Any and all punch list items that exist shall be corrected before any final acceptance of the project.

Subject: General Specifications for Electrical Installations Page 11 of 11

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j. Contractor shall provide to the government a list of any special requirements necessary for them to complete the project, i.e., shutdowns, storage space, temporary water, electric, air, etc

k. No changes are to be approved without written authorization.

l. The government has the right to reject all defective material and workmanship.

m. Contractor shall enter the Technical Center at designated gates.

n. Contractor to maintain payroll records available for review upon request.

o. Contractor to clean up all trash and garbage generated during and after the completion of the project and dispose of it at assigned locations or off center property.

p. Contractor is to inform the government of any actual or potential problems that could delay the project.

q. All contract employees shall abide by FAATC policy against smoking in any buildings except in designated areas.