ATTACHMENT 20 Section 26 00 01 Fort Sill Electrical Requirements-revised Mar 16 2018 - ADG.pdf

DIRECRORATE OF PUBLIC WORKS

Fort Sill, Oklahoma

Project Electrical Requirements Updated: March 16, 2018

Points of Contact:

Gary Yee, Electrical Engineer

TEL: (580) 442-8506

E-mail: gary.l.yee.civ@mail.mil

Eliezer Morales Rios, Electrical Engineer

TEL: (580) 442-2455

E-mail: eliezer.moralesrios.civ@mail.mil

ELECTRICAL GENERAL REQUIREMENT

1. General:

(a) The Unified Facilities Criteria (UFC) system, the installation design guide and the most indicated stringent requirement shall be used as a guidance regarding the design and construction.

(b) Provide details to show but not limited to transformers, pads, risers, trenching, lighting, pole details, controls, line diagrams etc.

(c) As-built drawings: After completion of work, as built drawings red lines shall be provided electronically on CD to reflect as-built conditions after all related work are completed and shall be Micro Station “DGN” format, latest edition used by

DPW.

(d) All electrical, lighting, telecommunication and TV conduits and outlet boxes located in normally occupied spaces shall be recessed into walls. Power shall be provided for all installed equipment requiring power including all Government- Furnished/Contractor-Installed (GFCI) equipment and all Government- Furnished/Government-Installed (GFGI) equipment. The existing electrical system shall be modified to accommodate all new construction including the relocation, and increase of the service and transformer to comply with contract requirements.

The effect of nonlinear loads such as computers, other electronic equipment and electronic ballasts shall be considered and accommodated as necessary. Voltage drop shall not exceed 2% at the service equipment and from the final circuit breaker to the outlet or load shall not exceed 3% voltage drop allowed at design load. Transient voltage surge protection shall be provided on the service equipment and in all panels serving computer and other electronic equipment. All circuits routed through areas not being renovated must be clearly labeled, with permanent type letter/color along the entire length of the new installation. The identification signage must clearly identify the type of service and that the associated item was part of a recent renovation.

1.1 References

As a minimum, all electrical work performed on Fort sill shall conform to the latest editions of the following requirement, codes and standards. Any changes to the indicated requirements shall be approved by the DPW engineering division chief and/or DPW electrical engineer.

(1) NFPA 70, National Electrical Code (NEC)

(2) NPFA 70E Standard for Electrical Safety in the Workplace

(3) NFPA 72, National Fire Alarm and Signaling Code

(4) IEEE C2, National Electric Safety Code (NESC)

(5) UFC 3-501-01, Electrical Engineering

(6) UFC 3-520-01, Interior Electrical Systems

(7) UFC 3-530-01 Interior and Exterior Lighting and Controls

(8) UFC 3-550-01, Exterior Electrical Power Distribution

(9) UFC 3-560-01, Electrical Safety

(10) UFC 3-575-01 Lightning and Static Electricity Protection Systems

(11) UFC 3-600-01 Fire Protection Engineering for Facilities,

(12) UFC 4-010-01, DOD Antiterrorism Standards for Buildings

(13) UFC 4-021-1 Design and O&M: Mass Notification systems

(14) NEIS, National Electrical Installation Standards

(15) UFC-580-1 Telecommunications Building Cabling Systems Planning and Design

(16) ANSIA/TIA/EIA-568-B

(17) ANSIA/TIA/EIA-569-B

1.2 Design

(a) As a minimum, all electrical design shall conform to the latest edition of the above codes and standards.

(b) To the extent possible, Unified Facility Guide Specifications (UFGS) and standard detail shall be utilized in the design. All specifications and general notes shall have the non-applicable parts edited.

(c) Existing as-built drawings may be used as guidelines (if available). Information must be verified by field investigation. The Designer shall be responsible for the verification of all dimensions, measurements, and location of existing facilities, utilities, equipment and other existing conditions that may affect the design.

(d) The following items shall be taken into consideration and included as part of the design analysis:

(1) Exterior: Primary circuit availability and location.

(2) Exterior: Primary circuit loading, Future loops may be designed for higher capacities as long as analysis shows that existing switchgear/substations can support the higher requirement.

(3) Existing equipment age and condition, (equipment over 30 years in age must be updated to meet the current standards)

(4) Transformer/panelboard/switchgear loading (existing and future).

(5) Non-linear loads ( lighting, computers, variable frequency drives, etc.) and voltage drop

(6) Energy Ana lys is

(7) A rc f lash ana lys is

(e) All new building wiring systems shall use three phase system, using 480/277V and/or 208/120V unless otherwise approved by DPW. Designer shall make recommendations of building voltages at the design analysis phase of each project.

1.3 Installation

(a) As a minimum, all electrical installations shall conform to the latest edition of the above codes and standards.

(b) Only state licensed journeymen electricians or a minimum 10 years of verifiable experience or registered apprentices under the direct supervision of journeymen will be permitted to install, alter, or repair electrical systems.

(c) Unless otherwise approved, Material and equipment shall be a standard product of a manufacturer regularly engaged in the manufacture of the product and shall essentially duplicate items that have been in satisfactory use for at least 2 years prior to bid opening unless otherwise approved by DPW. All materials in the same category shall be by a single manufacturer.

Refurbished or Discontinued product lines shall not be accepted.

(d) All conductors shall be color-coded at panel boards, switchboard, terminations, junction boxes, manholes, hand holes, etc. Factory color-coding of insulation is preferred; however, colored tape may be used on current carrying conductors #6 and larger. Equipment grounding conductors (EGC) #6 and smaller must have factory color-coding of the insulation. A green equipment-grounding conductor shall be installed with all branch circuits.

Circuit conductors shall be color coded as follows:

(1) All Configurations: Equipment Grounding Conductor, Green. (Exception:

Where an isolated ground is required, the isolated ground shall be identified as green with a yellow stripe.)

(2) 120V, 2-wire circuit: Grounded conductor (neutral), White;

Ungrounded leg, Black.

(3) 240/120V, 1-phase, 3-wire circuit: Grounded conductor (neutral), White;

One hot leg, Black; One hot leg; Red.

(4) 208Y/120V, 3-phase, 4-wire circuit: Grounded conductor (neutral), White; Phase A, Black; Phase B, Red; Phase C, Blue.

(5) 208V, 3-Phase, 3-wire circuit: Phase A, Black; Phase B, Red; Phase C, Blue.

(6) 480Y/277V, 3-phase, 4-wire circuit: Grounded conductor (neutral), Gray; Phase A, Brown; Phase B, Orange; Phase C, Yellow.

(7) 480V, 3-phase, 3-wire circuit: Phase A, Brown; Phase B, Orange;

Phase C, Yellow.

1. ELECTRICAL DISTRIBUTION SYSTEM, AERIAL

1.1 Existing Medium Voltage (MV) distribution system is 13,200/7,620 Volt, 3-phase, 4 wires, multi-grounded system installed on wood poles and/or underground. New work shall be required to be underground. Coordinate with

DPW.

1.2 Transformers: Provide non-polychlorinated biphenyl transformer with a spare capacity of 20% minimum, unless it is required more spare capacity for future known expansion, coordinate with DPW. Provide Delta-Wye connection system, primary voltage: 13,200V, secondary voltage 480/277V, 208/120V, copper windings, Coordinate voltages with DPW.

1.3 Pole-mounted sectionalizing switches: Provide sectionalizers as needed, coordinate with source.

1.4 Provide Fault Current Analysis, Protective Device Fully Coordination Study

1.5 Bare medium-voltage line conductors: Provide Aluminum-Conductor-Steel- Reinforced, ACSR.

1.6 Insulated Medium-Voltage line conductors: Provide 15kV, ethylene-propylene-rubber (EPR), 133 percent insulation level, copper.

1.7 Wood poles: wood poles shall be field verified and replaced if it is over than 20 years old, or if it is damaged or deteriorated. Provide new poles pressure treated, with creosote. Poles shall be neatly branded with information such as height-class, year-month made, etc. (ANSI standard info), metal tag is not acceptable. Branding shall be 10’ from the pole butt, Poles with transformers, cutout or any equipment must be provided with driven pole ground and metal tags showing feeder No., pole No., fuse ratings, and other information, coordinate with

DPW.

1.8 Guy assemblies: Provide where required zinc-coated steel, extra-high-strength, with 8 feet, ¾” diameter guy rods minimum. Provide yellow Guy marker, 2” diameter and 8’ height minimum.

1.9 Provide Armless Construction, where single phase is used, prepare for 3-phase construction. Coordinate with DPW.

1.10 Cutouts: Provide 15KV, type K fuse link.

1.11 Surge arresters: Provide for protection of aerial-to underground transitions, transformers and other equipment as required.

1.12 Air-break switches: Provide Gang operated switches Normally Open (NO) or Normally Closed (NC) switches to connect to other feeders as required.

1.13 Ground rod: Provide copper-clad steel not less than 3/4 inch in diameter by 10 feet in length. Ground rods must be driven into undisturbed earth, 2’ minimum away from the pole edge, structure or concrete foundations. It is not acceptable to install rod in the hole with riser pole or driven into backfill

1.14 Provide Rigid Galvanized Steel Conduit for risers.

1.16 Provide Metal poles with velocity 100mph minimum at the base of the pole,

1.3 wind gust factor, and height and drag factor as recommended by AASHTO LTS-4. Effective projected area of luminaries and other equipment shall be considered in the pole design. Calculation shall be provided to support the pole design. Chipped, scratched, stained or dented poles will not be acceptable.

1.17 Ground conductor protection: Provide mower guard, 36” height minimum, above finished grade for all pole grounds protection.

2. SECTION: ELECTRICAL DISTRIBUTION SYSTEM, UNDERGROUND

2.1 Provide Medium Voltage Cables, MV with concentric neutral, copper, 15 kV, EPR, 133% insulation level, with ozone/sunlight resistant PVC jacket approved for direct burial application:

(a) MV cables, Main primary distribution system loop feeders shall be 750Kcmil minimum, installed in 6” conduit. Cables shall be routed and racked inside manhole to allow the longest possible length of spare cable in each manhole possible (minimum of 1 full loop around the interior of the manhole).

(b) MV cables, Radial feeders shall be #2 AWG minimum. Cables shall be routed and racked inside manhole to allow the longest possible length of spare cable in each manhole possible (minimum of 1 full loop around the interior of the manhole).

(c) MV Power cable test: New or existing cables shall be tested before energizing, by using Very Low Frequency (VLF) conforming to IEEE documents - "IEEE Guide for Field Testing and Evaluation of the Insulation of Shielded Power Cable Systems" and IEEE 400.2 "Guide for Testing of Shielded Power Cable Systems using Very Low Frequency (VLF)". Test duration shall not be less than 45 minutes.

2.2 Low Voltage Cables, service entrance: Provide copper conductor with XLP or EPR insulation.

2.3 Cables in the same duct with MV cables shall have same type insulation

2.4 Concrete Encased Duct Bank:

(a) MV, Duct lines shall be thick-wall type, PVC SCH 40, concrete-encased in trench, installed at 36 inches minimum below grade to the top of conduit.

Concrete encased conduits shall have minimum spacing between conduits as specified by the NEC and at least 3 inches of concrete protecting them on top, bottom, and sides. Bore under roads, provide Galvanized Rigid Steel conduit, PVC coated or provide PVC conduit-in-casing, with interlocking plastic spacers, Underground Devices Incorporated product or equal. Provide spare conduit of equal size.

(b) The top of the concrete encasement shall be at least 30” below finished grade level at all points.

2.5 Direct Buried conduit:

(a) Low Voltage, Duct lines shall be direct-burial, thick-wall type SCH 40 or SCH 80, Concrete encased if installed in vehicular traffic areas. Top of conduit shall be installed at a minimum depth of 24” below grade.

(b) Do not use PVC conduit in areas subject to physical damage, including but not limited to mechanical, electrical rooms, penetrating fire rated walls, floors or partitions.

2.6 All conduits that transitions from below to above grade shall be galvanized rigid steel PVC coated conduit, starting from minimum depth as specified and include the 90 degree Elbow up to 12” above finished grade.

2.7 All conduits installed under roads and driveway crossings shall be bored and sleeved with single schedule 80 PVC or 1/4”-wall steel sleeve.

Roadways and driveways shall not be crossed by open cut unless approved by DPW in writing. Wherever boring is impractical, street crossings shall be limited to three (3) days maximum (including trenching, compaction, and replacement of existing pavements). Contractor shall provide steel matting sufficient to carry the traffic load of the excavated area.

2.8 Manholes shall be 8’x8’x7’ (minimum inside dimension). Maximum spacing shall be 450 feet on centers. Cable Support Systems located in manholes shall be constructed of a nonconductive material. All cables in manholes shall be identified with a nonconductive tag & permanent marker, tags shall identify circuit at each point where the cable either enters or exits the manhole, coordinate with DPW.

2.9 All underground electrical and communication installations (conduit, duct bank, etc.) shall be identified using marking tape. Tape shall be placed 12-inches below finished grade. Tape shall have the following characteristics:

(a) 5-mil plastic

(b) Brightly colored (Electric–red; Communication– orange)

(c) Not be less than 6 inches in width

(d) Suitably inscribed at not more than 10 feet on centers

(e) Continuous metallic backing and a corrosion resistant 1-mil metallic foil core to permit easy location of duct line.

2.10 Pad Mounted equipment:

2.10.1 Transformer, Pad Mounted: Provide Loop feed type, dead front construction, copper windings and bussing, with current limiting and bayonet oil immersed expulsion fuses, arresters, High-voltage warning signs, Dial-type thermometer, liquid-level gauge, and drain valve with built-in sampling device, Refer to UFC _3_550_01 Exterior Power Distribution guidance. Transformer pad shall be a minimum of 6 inches larger than the transformer enclosure to include the cooling system. Pre-manufactured pads for pad mounted equipment such as transformers; sectionalizeers etc. shall be not used.

Concrete Pads shall be poured-in-place.

2.10.2 Pad Mounted Switch Gear: As a minimum, provide dead front pad mounted gear, PME-9, S&C or equal. Other circuit configuration shall be coordinated with DPW for approval. All switch and fuse components shall be included to include a minimum of 2 spare fuses. Switches shall be provided with Arc-resistance feature meet the requirement of IEEE standard C37.20.7 2001, “IEEE Guide for Testing Medium –Voltage Metal Enclosed switchgear for Internal arcing Faults”. Switches shall be provided with a manual, handle-type operator or a push-button mechanical spring tripping mechanism, utilizing a stored-energy (spring-driven) mechanism to simultaneously open or close all phases. Switch pad shall be a minimum of 6 inches larger than the switch.

Pre-manufactured pads shall be not used. Concrete Pads shall be poured-in-place.

2.10.3 Pad Mounted equipment shall be installed on concrete pads, a minimum of

4” above grade level in areas not subject to floods and with good drainage.

2.11 Metering

1. Watt-Hour Metering

(a) Watt-hour meters shall be installed on all facilities requiring new services and shall be connected to the base Energy Management and Control System, EMCS (Note: Unless otherwise indicated, watt-hour metering will not be required where digital meters as specified below are provided).

(b) Watt-hour meter shall be surface-mounted, electronic-programmable type, with LCD display.

(c) Meter will display readings for usage (kWh), demand (kW), and peak demand (including date/time of peak demand).

(d) Meter shall be provided with a self-contained backup system to maintain memory and display during power failures.

(e) Meter shall be provided with a modular connector(s) to provide interfacing for:

(1) Automatic Meter Reading (AMR)

(2) Pu lse modu les

(3) Analog signal modules

(4) Energy control modules

(5) Instantaneous demand displays

(f) Meter shall communicate information to a remote data collection system, EMCS.

(g) Meter shall conform to Unified Facilities Guide Specification

(UFGS) 26 27 13.1030.

(h) Where practical and feasible, meters shall be installed in a self-contained unit. Center of the unit shall be mounted as close to eye level as possible, but in no instance more than 72” A.F.F.

2. Digital Metering

(a) Digital metering shall be installed in each switchboard or switchboard section for double ended applications. Monitors may also be remote mounted. Center of the monitor shall be mounted as close to eye level as possible, but in no instance more than 80” A.F.F.

(b) Metering shall conform to Unified Facilities Guide Specification

(UFGS) 26 27 13.1030

(c) All setup parameters required by the electronic monitor shall be stored in non-volatile memory and retained in the event of a control power interruption. Any battery or other device used to provide non-volatile memory shall be user serviceable from the front of the monitor and servicing shall not require removing the monitor from the gear in which it is mounted.

(d) The monitor shall maintain in non-volatile memory maximum and minimum values for each of the instantaneous values reported as well as the time and date that the minimum or maximum was set.

(e) The monitor shall have the ability to communicate information to a remote data collection system.

(f) All necessary instrument transformers (CTs/PTs) shall be provided in the switchgear.

(g) The monitor shall be listed according to UL 508.

(h) The monitor shall provide true RMS metered values accurate for distorted, non-sinusoidal wave-shapes beyond the 30th harmonic (fundamental of 60 hertz).

(i) The monitor shall be accurate to ± 0.25% of reading ± 0.05% of full scale for voltage and current metering, and ±1.0% for all power and energy functions. The accuracy shall be maintained for both light and full loads.

No annual re-calibration by users shall be required.

(j) Voltage and current for all phases shall be sampled simultaneously to assure high accuracy in conditions of low power factor or large waveform distortions (harmonics).

(k) The monitor shall be equipped with an integral, continuous duty, long-life display to provide local access to the following metered quantities as well as the minimum and maximum value since last reset of each quantity:

(1) Current (RMS), per phase and neutral

(2) Voltage, phase-to-phase and phase-to-neutral

(3) Real power, per phase and 3-phase total

(4) Reactive power, per phase and 3-phase total

(5) Apparent power, per phase and 3-phase total

(6) Power factor, 3-phase total and per phase

(7) Frequency

(8) Demand current, per phase and three phase average

(9) Demand real power, three phase

(10) Demand apparent power, three phase

(11) Accumulated Energy, (MWH and MVARH)

(12) THD, current and voltage, per phase

(13) K-factor, current, per phase

(l) The following demand readings shall be reported by the monitor:

(1) Average demand current, per phase

(2) Peak demand current, per phase

(3) Average demand for real power, reactive power, and apparent power

(4) Predicted demand for real power, reactive power, and apparent power

(5) Peak demand for real power, reactive power, and apparent power

(6) The default demand calculations method shall be 15-minute interval.

(m) Installation contractor shall be required to provide documentation verifying proper meter calibration and verifying proper operation/readings during commissioning of the equipment.

2.12 Padlock: Provide provision for padlock for major equipment. Coordinate with DPW

2.13 COORDINATED POWER SYSTEM PROTECTION:

2.13.1 The study shall be performed by a registered professional engineer with demonstrated experience in power system coordination in the last three years.

2.13.2 Scope Analysis: The fault current analysis, and protective device coordination study shall begin at the source bus and extend down to system bused where fault availability is 10,000 amperes (symmetrical) for building/facility 600 volt level distribution buses. Coordinate with DPW

2.13.3 Determination of facts: The time-current characteristics, features, and nameplate data for each existing protective device shall be determined and documented. The Contractor shall coordinate with the commercial power company for fault current availability at the site.

2.13.4 A single line diagram shall be prepared to show the electrical system buses, devices, transformation points, and all sources of fault current (including generator and motor contributions). A fault-impedance diagram or a computer analysis diagram may be provided. Each bus, device or transformation point shall have a unique identifier. If a fault-impedance diagram is provided, impedance data shall be shown. Locations of switches, breakers, and circuit interrupting devices shall be shown on the diagram together with available fault data, and the device interrupting rating.

2.13.5 Coordination Study: The study shall demonstrate that the maximum possible degree of selectively has been obtained between devices specified, consistent with protection of equipment and conductors from damage from overloads and fault conditions. The study shall include a description of the coordination of the protective devices in this project. Provide a written narrative that describes: which devices may operate in the event of a fault at each bus; the logic used to arrive at device ratings and settings; situations where system coordination is not achievable due to device limitations (an analysis of any device curves which overlap); coordination between upstream and downstream devices;

and any relay settings. Recommendations to improve or enhance system reliability, and detail where such changes would involve additions or modifications to the contract and cost changes (addition or reduction) shall be provided.

2.13.6 Study Report: The report shall include

(a) Narrative describing the analyses performed; the bases and methods used; and the desired method of coordinated protection of the power system.

(b) Descriptive and technical data for the new protective devices proposed.

(c) Document utility company data including system voltages, fault MVA, system X/R ratio, time-current characteristics curves, current transformer ratios, and relay device numbers and settings; and existing power system data including time-current characteristic curves and protective device ratings and settings.

(d) Fully coordinated composite time-current characteristic curves for each bus in the system, as required to ensure coordinated power system protection between protective devices or equipment. The report shall include recommended ratings and settings of all protective devices in tabulated form.

(e) Provide the calculation performed for the analyses, including computer analysis programs utilized. A software package, of the same version used for the short circuit and coordination study shall be provided.

3. SECTION: MOTOR CONTROL CENTERS, SWITCHBOARDS/GEAR and

PANELBOARDS

3.1 Motor control centers, switchboards/gear and Panels Bus bars shall be copper. Size 200% Neutral for non-linear load. Switchgear bus bars shall be silver plated. Provide directories to show load served and source.

3.1.1 Ground bus: Provide full width at the bottom of the motor control center line-up. A full clamp-type solderless copper or copper alloy lug for No. 2/0 AWG stranded copper cable minimum shall be provided at each end of the bus for connection to the main grounding system.

3.1.2 Neutral Bus: A fully rated neutral bus shall be provided continuous through the control center. 200% rated neutral shall be provided for panels supplying electronics

3.2 Voltage Fault Protection: Provide protection against voltage faults, phase unbalance, phase loss, phase reversal, under-voltage and over-voltage

3.3 Distribution Transformers: Provide 200% neutral for dry type transformers supplying nonlinear loads. Use K-Factor rated, K4 for 50% and K13 for 100% connected nonlinear loads. Provide Copper windings type.

3.4 Switchboards: Provide dead-front construction. Mount switchgear on concrete slab.

3.5 Size panels to provide a minimum of 25% minimum future expansion.

4. SECTION: ELECTRICAL WORK, INTERIOR

4.1 Use copper conductor only, Aluminum conductors shall not be used.

Underground service entrance conductor shall be USE rated, with XLP or EPR insulation. Use THHN/THWN for interior wiring, minimum size for branch circuit conductor shall be No.12 minimum, no.8 AWG and larger shall be stranded, no.10 AWG and smaller shall be solid.

4.2 Equipment ground conductor: Provide insulated green conductor in all conduits.

4.3 Provide Transient voltage surge suppressors (TVSS) at service entrance panels, and panels supporting electronic equipment, shown on drawings schedules and/or line diagram.

4.4 CIRCUIT BREAKERS: Provide bolted type breakers, All ratings shall be clearly visible. Breakers used for switching shall be rated ”SWD”. Use of "Subfeed Breaker" is not acceptable unless specifically indicated otherwise. Main breaker shall be "separately" mounted on center, above or below branch breakers. Where "space only" is indicated, make provisions for future installation of breakers.

4.5 Electrical, Zinc-Coated Steel Metallic Tubing (EMT), (IMC): Use EMT in the interior and dry location areas. Unless otherwise noted, all conduits shall be concealed. Use EMT in mechanical and electrical rooms where conduits are physically protected, otherwise Galvanized Rigid steel conduit shall be used.

The use of MC and Romex cables are not be acceptable, except MC Cable may be used as whips to lighting fixtures.

4.6 Control wiring related to mechanical equipment such as HVAC, installed in the mechanical room, un-accessible areas and areas subject to traffic shall be installed in conduit. Cable shall be rated for the applications. All control related to electrical equipment, such as motors, lighting control, etc. shall be installed in conduit.

4.7 Each motor of 1/8 hp or larger shall be provided with thermal-overload protection and heavy duty disconnecting mean. Provide spare parts fuses.

4.8 Pull wires: Provide a pull wire in all empty raceway

4.9 Stub-Up & through slabs-on-grade conduits: Where conduits are to be stubbed up through concrete floors, a short elbow shall be installed below grade to transition from the horizontal run of conduit to a vertical run. A conduit coupling fitting, threaded on the inside shall be installed, to allow terminating the conduit flush with the finished floor. Conduit shall be Galvanized rigid steel.

4.10 Communications: Use Army Technical Guide for Installation Information infra structure architecture (I3A). Coordinate with NEC.

4.11 Receptacles: Provide one receptacle per wall minimum, and every 12’ maximum, install no more than 6 receptacles per branch circuit and as required per load. Use 20A heavy duty, grounding type receptacles, side wired.

Receptacles with ground fault circuit interrupters shall be UL Class A type, with Set-reset buttons of contrast color.

4.11.1 Wet location Receptacles: Receptacles in wet locations shall be installed in an assembly rated for such use whether the plug is inserted or withdrawn.

4.12 Switches: Switches shall be rated for quite type AC only, 120/277volts with 20A current rating. Use lighting control as required by UFC 3-350-01.

4.12.1 A neutral conductor shall be installed in all switch boxes.

4.13 Splices: Use wire nut connectors for no.10 AWG and smaller. Do not use Quick Connect type wire connectors. Use solderless connectors for No.8 and larger and cover with insulation material same rating as conductor insulation.

4.14 Provide calculations for Panel Loads, Lighting, Feeders, Voltage drop, short circuit, load analysis, Coordination study, etc. See other sections.

4.15 Provide LED lighting, fixtures shall comply with the recommendations of the Illumination Engineering Society of North America (IESNA) unless otherwise specified. Lighting Controls shall be provided in accordance with ASHRAE 90.1.

For emergency fixture, provide a backup power, red light indicator (LED) and test switch. Do not use fluorescent unless otherwise approved by DPW.

4.16 Use LED type exit light with backup power, red light indicator (LED) and test switch.

4.17 Arm rooms: An un-switched vandal-resistant fixture with emergency (power supply) shall be provided at the entrance to each arms vault.

4.18 Provide 30 foot-candles (FC) in Mechanical rooms, electrical rooms, 20 FC in storage rooms.

4.19 Provide exterior lighting at main entrance. Lighting shall be controlled by a photocell or time clock, coordinate with DPW

4.20 Contractor shall provide temporary power as required to keep the facility in operation during the construction period. Coordinate with DPW and the user.

4.21 Provide Telecommunications cabling and outlets per UFC 3-580-01, provide copper bus bar suitable for indoor application to conform to TIA J-STD- 607-A grounding requirements, size ¼” X 4” X (length as required).

Telecommunications shall be coordinated with NEC.

5. ELECTRICAL WORK, EXTERIOR

General:

(a) Pad mounted equipment shall have permanently affixed identification labels. Labels shall be weather resistant, phenolic plastic. Labels shall indicate equipment identification, rating, and circuit designation.

Information for equipment identification and circuit designation (line side, load side) will be Coordinated with DPW, GIS, Alston Hicks 580 442- 3181. Place label on the front door of the pad mounted transformer, this is in addition to the label located inside the transformer, see attachment#1.

(b) Cables shall have permanent identification tag installed at each manhole, hand hole, pull box, or termination. Labels shall be weather resistant, engraved, metal or phenolic plastic. Labels shall indicate at a minimum the circuit designation and To/From information. Information for circuit designation shall be Coordinated with DPW.

(c) Busses in electrical equipment shall be copper.

(d) Bore under roads, provide Galvanized Rigid Steel conduit, PVC coated or provide PVC conduit-in-casing, with spacers. Provide spare conduit of equal size. Use Underground Devices Incorporated product or equal.

6. Fire Alarm and Mass notification system

(Coordinate with the Fire Department, (580) 442-5911)

6.1 Use factory painted RED color EMT conduit inside the building

6.2 Use MONACO transceiver; transmit at a frequency of 141.3625 MHZ, Coordinate with Monaco Enterprise and the fire department.

6.3 Provide 72 hours battery backup power, 15 minutes Alarm test.

6.4 Fire Alarm and Mass Notification

Provide a combination of fully addressable fire alarm/mass notification system consisting of an integrated fire alarm and mass notification control panel, communication equipment connecting the system to a central monitoring station, initiating devices and notification appliances. Separate fire alarm and mass notification systems will not be accepted unless approved by DPW. The combination fire alarm/mass notification system shall be designed, installed and tested in accordance with NFPA 72, UFC 3-600-01, and UFC 4-021-01, UFC 4- 010-01 and Fort sill requirement.

6.5 Devices (initiating supervisory and notification) shall be addressable type, Class X. Provide a minimum of 40 percent expansion without hardware modifications to the panel. System shall be capable to communicate with the existing D-21 fire protection management system located at Fort Sill fire station and 911 center in Lawton.

6.6 Provide visual notification signals in areas where hearing protection is worn due to high ambient noise levels. Also, visual notification signals must be provided in all areas of the building, even if some areas in the building are only accessed occasionally by personnel who are hearing impaired and granted unaccompanied access, such as maintenance or cleaning personnel.

6.7 Provide visual addressable fire alarm notification device throughout common areas of the Facility in accordance with the NFPA 72. Provide visual addressable mass notification appliances at locations required to have visual fire alarm notification per UFC 3-600-01 interpretation of public mode including storage and building services spaces. Provide strobes within 16-feet of the pillow.

6.8 Provide smoke detection in all sleeping areas. All smoke detection shall be monitored by the fire alarm/mass notification system. Smoke detection shall be designed, installed and tested in accordance with NFPA 72.

6.9 Provide OVERVOLTAGE AND SURGE PROTECTION at the input power of panels and circuits that exit or enter a building.

6.10 Provide a graphic Annunciator panel or remote control (LCD) panel, coordinate with DPW and the fire department.

6.11 Provide control units and control panels that are fully field programmable for control, initiation, notification, supervisory, and trouble functions of both input and output. The system program configuration shall be menu driven. System changes shall be password protected and shall be accomplished using personal computer based equipment. All software, software locks, special tools and any other proprietary equipment required to maintain, reprogram equipment, add devices to or delete devices from the system, or test the fire alarm system, such as dongle key, software connecting cables, tools used to test loops for troubles, short circuits, ground and bad devices, cleaning devices etc. shall become property of the Government and be provided to the Contracting Officer's Representative prior to final inspection of the system.

7. Paging System A paging system where provided and integrated with the telephone system.

System will utilize mass notification amplifiers and speakers, and shall be overridden by the fire alarm/mass notification system if mass notification system is activated while the paging system is being utilized. Coordinate with DPW

8. LIGHTNING PROTECTION SYSTEM

8.1 Provide lightning protection as required. System shall be UL certified.

(a) Provide Safety Tip air terminals

(b) Where Ground grid/counterpoise is used, install 30 inches below grade minimum, at a distance not less than 3 feet nor more than 8 feet from the structure.

(c) All Connections between the building steel columns and ground

(counterpoise, Rods) shall be at the bottom of the columns. Use Cad-weld connections.

(d) Where poles are used for overhead system and ground rods are required, install the first ground rod a minimum of 6 feet from the pole base.

9. CATHODIC PROTECTION SYSTEM (SACRIFICIAL ANODE)

9.1 Provide Cathodic Protection System, Sacrificial Anodes to the sprinkler system riser entering the building from below grade. Coordinate with AWE for water piping and ONG for gas in other areas.

Attachment #1

Ft. Sill DPW New Padmounted Transformer Labeling Information (Place label on the front door of the padmounted transformer. This is in addition to the label located inside the transformer.)

Label Example:

500 kVA 13.2kV-208/120V

TP 2 1602

Label Explanation:

Number of XFMRs and Size: 3-25kVA, or 1-50, 2-37.5kVA, or 500kVA Voltage: 13.2kV-480/277V or 208/120V Code: TP 2 1602

TP indicates – Transformer, Padmounted 2 indicates – Feeder Number 1602 indicated – Bldg Number

Signature: ___________________________________ Date: _____________