33 72 33 Substation Control House Halls Substation, 2025.pdf

Halls [PROJECT NAME]

[PROJECT ID] SUBSTATION CONTROL HOUSE

REVISED MM/DD/YY 33 72 33 - 1

SECTION 33 72 33

SUBSTATION CONTROL HOUSE

PART 1 – GENERAL

1.01 SUMMARY

A. Section Includes: General requirements for the fabrication, assembly, and furnishing of an outdoor, prefabricated, structural steel, and sheet metal control house enclosure (Enclosure) which will be used to house the switchboard relay panels, batteries, and other equipment and components, for use in Owner’s power substations.

B. The Enclosure shall be an integrated assembly that is designed, manufactured, and tested as a complete assembly at one facility.

C. Manufacturer shall furnish and physically connect and interconnect all equipment and components internal to the Enclosure including but not limited to AC & DC load centers, battery components, transfer switch, lighting controls, HVAC systems, etc.

D. Related Requirements: Contract Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 specification sections, apply to this Section.

1.02 PRICE AND PAYMENT PROCEDURES

A. If any part of the order is found to be out of compliance with this specification or the purchase order, full payment will be made within thirty (30) days after Owner is satisfied the Manufacturer has brought the order into full compliance with the specifications and rendered the appropriate invoice to Owner.

1.03 REFERENCES

A. Abbreviations and Acronyms:

1. AISC – American Institute of Steel Construction

2. AMPP – Association for Materials Protection and Performance (merger of NACE International and

SSPC)

3. ANSI – American National Standards institute

4. ASTM – ASTM International, formerly American Society for Testing and Materials

5. IBC – International Building Code

6. IEEE – Institute of Electrical and Electronics Engineers

7. NACE – NACE International, formerly National Association of Corrosion Engineers

8. NEC – National Electrical Code

9. NESC – National Electrical Safety Code

10. NEMA – National Electrical Manufacturers Association

11. NFPA – National Fire Protection Association

12. SSPC – Society for Protective Coatings

13. UBC – Uniform Building Code

[PROJECT NAME]

SUBSTATION CONTROL HOUSE [PROJECT ID]

33 72 33 - 2 REVISED MM/DD/YY

14. UL – Underwriters Laboratory

B. Definitions:

1. Battery Room: That portion of the Enclosure that contain the batteries, associated control panels, and other equipment directly associated with the batteries as outlined within this specification.

2. Control Room: That portion of the Enclosure that contains the relay panels, AC & DC panels, battery charger, control panels, and other equipment outside of the Battery Room.

3. Restroom – that portion of the Enclosure that contains the toilet, sink basin, hand dryer and other equipment, separately housed from the Control Room or Battery Room.

C. Reference Standards: The following specifications and standards of the organizations and documents listed in this paragraph form a part of the specification to the extent required by the references thereto.

In the event the requirements of the following referenced standards and specifications conflict with the specification section, the requirement of this specification shall prevail. In the event the requirements of any of the following referenced standards and specifications conflict with each other, the more stringent requirement shall prevail.

1. ASTM D635 – Standard Test Method for Rate of Burning and/or Extent and Time of Burning of Plastics in a Horizontal Position

2. NACE No. 1/SSPC-SP5 – Joint Surface Preparation Standard, White Metal Blast Cleaning

3. NFPA 72 – National Fire Alarm and Signaling Code

4. UL 94 – Standard for Safety of Flammability of Plastic Materials for Parts in Devices and Appliances

Testing

1.04 ADMINISTRATIVE REQUIREMENTS

A. The Manufacturer shall supply a dedicated Project Manager to oversee the entire produce from concept to the fully successful acceptance of the delivered and assembled Enclosure to Owner. The Project Manager shall have extensive experience in successfully managing similar projects.

1.05 SUBMITTALS

A. Submitted drawings for the Enclosure shall be prepared at the same facility where manufacturing and testing are performed.

B. Manufacturer shall provide approval drawings and documents in three (3) packages:

1. The first package shall be the drawings of the physical construction of the Enclosure with detailed floor and equipment supporting plans, and they should be delivered to Owner as soon as possible in order for Owner to design and construct the Enclosure foundation. Owner requires two (2) weeks to review and comment on this package before returning comments, if any, to Manufacturer. The first package shall consist of, but is not limited to, the following:

a. Floor supporting structure details

b. Outline

c. 120/240VAC house wiring

d. Bill of Material (BOM)

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e. Shipping sections.

C. Approval drawings shall be submitted in Adobe. PDF and AutoCAD .DWG formats.

D. All submittals shall be sent to:

Knoxville Utilities Board

ATTN: Rody Blevins, Engineering 4505 Middlebrook Pike, Knoxville TN 37921 Phone#: 865-558-2135 Email: Rody.Blevins@kub.org

E. A ‘For-Construction’ drawing set shall be submitted to Owner in two (2) full-size paper drawing sets as well as electronically in both Adobe .PDF and AutoCAD .DWG formats. The electronic submittals may be furnished by means of an FTP, OneDrive or similar file sharing site, or by submitting the files via a USB flash drive delivered by next day mail.

F. The Manufacturer shall furnish three (3) complete composite Enclosure instruction books and/or book sets. The documents must be bound and secured in a heavy-duty, 3-post type binder using solid and seamless tube posts with a top operated locking bar. The binders must be appropriately sized to prevent loose document storage. Each book shall include all pamphlets, leaflets, descriptive literature, fabrication drawings, assembly details, as well as all installation, operation, and instruction manuals necessary for the commissioning, operation, and maintenance of all equipment and devices furnished with the Enclosure. The book shall also be furnished with a complete set of final as-built construction drawings, and a USB flash drive containing electronic copies of the entire manual contents. The USB flash drive is to be stored in a zipper pouch provided with the manual.

G. Where instruction book equipment literature, documentation, or drawings reference multiple supplier part, item, or catalog numbers, the Manufacturer shall clearly identify for Owner use the exact part being supplied and call this out in their BOM notations.

H. The Enclosure composite instruction book submittal shall coincide with the delivery of the Enclosure to the Owner’s Site.

I. A final “As-Built” construction drawing set capturing any field modifications, corrections, or adjustments by the Manufacturer, if any, shall be submitted to Owner like the afore mentioned For Construction drawing set.

J. The Manufacturer shall also be responsible for revising their instruction books where field modifications, corrections, or adjustments to the Enclosure make its contents inaccurate or incomplete.

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1.06 QUALITY ASSURANCE

A. The Enclosure and all of its components and accessory shall be designed, assembled, tested and furnished to Owner by the Manufacturer in accordance with the latest applicable AISC, ANSI, ASCE, ASTM, IBC, IEEE, NEC, NESC, NEMA, NFPA, SSPC and UBC standards.

B. The Enclosure and all of its components and accessories shall be wholly certified by the State of Tennessee in accordance with the TCA, Title 68, Chapter 126, Part 3 Tennessee Modular Building Act.

C. Manufacturer shall ensure that all wiring connections are tight, and they do not touch adjacent bare wires, Enclosure walls, or mounting hardware. An excessive number of loose wiring connections, determined solely by Owner, may disqualify the Manufacturer from future opportunities.

1.07 DELIVERY, STORAGE, AND HANDLING

A. Manufacturer agree to provide all labor, equipment, materials, and supervision necessary to safely ship, deliver, off-load, install, and fully assemble the Enclosure and all associated systems as per this specification.

B. Manufacturer agrees to provide the completed unit in two (2) shipments, FOB Destination/Foundation

1. The Enclosure shipping sections onto a concrete foundation provided by Owner.

a. Prior to shipment of the Enclosure, Manufacturer shall furnish for Owner’s review and approval a detailed lifting plan necessary to safely off-load the Enclosure onto Owner’s concrete foundation.

b. Enclosure shall be loaded and braced to prevent any damage to the Enclosure or its contents.

All equipment doors shall be securely locked in their closed positions. Crates and boxes must be packed and secured to prevent damage to their contents, other components, or the Enclosure.

2. The substation battery system in the assembled Enclosure. The exact delivery date for this delivery shall be coordinated in advance with Owner.

C. State transportation laws shall dictate legal shipping dimensions and weights.

D. Manufacture shall complete the full assembly of the Enclosure at Owner’s site such that assembled unit is ready for Owner’s external connections to the power substation with no further assembly by the Owner. This assembly shall include, but not be limited to, connecting or installing:

1. Enclosure shipping sections

2. Internal electric

3. Cable tray(s)

4. HVAC unit

5. Other items that were separated for shipping.

E. Manufacturer shall assume all risk due to loss or damage while shipping, off-loading, installing, and assembling the Enclosure and its accessories to Owner.

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F. Manufacturer shall provide prompt notification that Enclosure has been released to carrier for delivery to Owner. Additionally, notice shall be given seventy-two (72) hours in advance of delivery to Owner’s site.

1.08 WARRANTY

A. All items furnished under this specification shall be warranted free from defects in design, materials, and workmanship and is the kind and quality governed by this specification.

B. Length of Warranty:

1. Full warranty for completed Enclosure and accessories for at least thirty-six (36) months from date of shipment.

2. A ten (10) year warranty against defects on all painted surfaces from the date of shipment.

C. If for some reason the Enclosure for any of is supplied equipment shall need replacement or repair during the warranty period, the Manufacturer shall replace or repair the defective equipment at no cost to Owner. Furthermore, the Manufacturer shall be responsible for shipping charges in both directions if an item must be shipped to the Manufacturer’s repair facility during the warranty period.

PART 2 – PRODUCTS

2.01 CONTROL HOUSE ENCLOSURE

A. Manufacturers: The following building supplies are not approved by Owner, and they will not be considered for any Bid at this time:

1. Atkinson Industries

2. IBI Power Packaging & Integration Solutions

B. Description:

1. Regulatory Requirements: The Enclosure shall meet the seismic requirements for the latest version of IBC adopted by the State of Tennessee. The Seismic Zone Importance Factor shall be that of an ESSENTIAL facility with the highest seismic importance factor (IE=1.50) applied to the Enclosure design and construction. All hardware necessary to secure the Enclosure to Owner’s foundation per the required seismic conditions shall be furnished and installed by the Manufacturer as part of their installation process.

2. Strength Characteristics:

a. Enclosure walls shall be capable of withstanding wind loads more than 125 mph.

b. Enclosure roof shall be capable of withstanding snow loads more than 50 psf.

3. The Enclosure exterior footprint dimensions shall be 36’-0” long by 13’-8” wide, and the interior floor to ceiling height shall be 10’-0” minimum with an 8’-6” minimum clearance distance from the floor to the bottom of all ceiling mounted lights, conduit, cable tray, and other equipment.

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C. Structural Elements:

1. Enclosure roof shall have a six-inch (6”) minimum overhang around entire house with positive drip strip on the edges of the roof. Flat roofs are not acceptable.

2. Enclosure walls and roof, interior and exterior, shall be constructed using an interlocking panel design.

3. Enclosure exterior and interior walls shall be fabricated from 11-gauge minimum thickness steel.

4. Enclosure base members shall be ASTM A36 steel wide flange beams, channel and/or angle shapes forming a rigid and self-supporting grid. All members shall be continuously welded at all joints.

5. Enclosure floor shall be constructed of ¼” minimum steel plate that is welded to the base supporting grid. The floor seams shall be continuously welded at all joints.

6. The building will be designed to extend out 2’ over the cable trough where the conduits stub out.

7. The building will include one (1) fixed glass window, dimension 3’ X 5’. The window and glass shall be capable of withstanding wind loads more than 125 mph. The glass shall be impact resistant.

8. Steel reinforced Pre-cast concrete will also be accepted.

D. Door:

1. The Enclosure shall be furnished with one (1) 4’ x 8’-0” x 1 ¾” double wall construction, 11-gauge minimum thickness steel, personnel-access door (Exterior Personnel Door) for exterior access.

2. The Door shall be fully gasketed, be hung with stainless steel ball bearing hinges, and supplied with heavy duty adjustable door closures withhold-open devices and fly-back chain.

3. The Door frame shall be fabricated from 1-gauge minimum thickness steel and be supplied with reinforcing plates for hinges and other hardware.

4. The Door shall be furnished with a heavy-duty aluminum threshold mounted at the bottom of the door.

5. The Door shall be furnished with exterior entry trim and an interior rim exit device, “panic hardware”.

a. The entry trim shall consist of an operation handle with key cylinder, Adams Rite

Manufacturing Company Matrix No., 3080-01-7-37MUS32D.

b. The entry trim cylinder shall be suitable for use with a Medeco Keymark 33 Series interchangeable core cylinder locking mechanism that can be re-keyed to Owner’s standard substation key. Six (6) keys shall be supplied to Owner upon delivery of the Enclosure.

c. The rim exit device shall be furnished with a dual switch contact configuration for alarm signaling: Adams Rite Manufacturing Company Matrix No. 8700-M2-48-US32D.

6. The fully assembled door and frame shall be securely fastened to the Enclosure walls to form a rain tight and weatherproof access.

7. The Door shall be furnished with 11-gauge minimum thickness steel drip shields securely mounted above the access. The shield shall extend 4” beyond the vertical edge of the frame and extend no less than 16” from Enclosure exterior wall.

E. Fabrication and Assembly:

1. The Enclosure shall be constructed and assembled on a level surface, indoors, and protected from the elements at all times.

2. The Enclosure shall be furnished with the necessary lifting eyes to safely load, unload, and install the Enclosure shipping sections. All lifting eyes, if removable, shall become the property of Owner.

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Furthermore, all mounting holes for removable lifting eyes shall be securely sealed in the field by Manufacturer.

3. The Enclosure shall be lined with fireproof insulation. All walls, the ceiling and doors shall have an insulation rating level of R30 or greater. All insulation shall be secured to the walls and ceiling by an Owner-approved means prior to the assembly of interior wall panels. The floor insulation level shall be rated R25 Celotex urethane board, or Owner-approved equivalent insulation material, and firmly secured beneath the floor. Securing the floor insulation by glue pins is not acceptable.

Energy Star Certified Enclosures are preferred.

4. The external Enclosure base members shall be furnished with welded steel copper-faced NEMA 2-hole ground pads for connection to Owner’s power substation ground grid. In general, the pads shall be located uniformly around the Enclosure perimeter. There shall be two (2) pads shall be located at opposing Enclosures corners, two (2) pads shall be located at the opposing members of any shipping split, and one (1) pad shall be located beneath the Enclosure’s ¼-inch by 4-inch minimum copper ground bus bar. [Ground pads in the cantilevered section of the Enclosure shall be located on the rear side of the base member overhanding the cable trough.]

F. Finishes:

1. The Manufacturer shall thoroughly clean all exterior and interior Enclosure surfaces per SSPC-SP 5/NACE No. 1 and the paint manufacturer’s recommendations prior to applying paint. After cleaning, the surfaces to be painted shall be free of all oil, grease, dust, dirt, mill scale, rust, coating, oxides, corrosion products, and other foreign material.

2. The Enclosure exterior and the interior wall/ceiling paint color shall be Gloss White and have a finished DFT of no less than 5 mils, primer(s) plus topcoat and sealer. The paint shall not chalk or fade. Owner will evaluate Manufacturer’s standard paint process and thickness if the thickness is less than the 5 mils required.

3. The Enclosure base and underside of the floor shall be coated and cured with a mastic coal tar epoxy protective coating having a finished DFT of no less than 8 mils.

4. Manufacturer shall provide two (2) quarts of touch-up paint.

5. For a Concrete building, the exterior shall be grey or brown aggregate material. Synthetic aggregate paneling is not accepted.

2.02 BATTERY ROOM

A. The Enclosure shall be furnished with a battery room (Room) to contain the battery system.

B. The Room shall be completely separated from the rest of the Enclosure using a full-height wall and integral ceiling with a 3’6” X 8”0” personnel door with double wall construction with 11-guage steel. The door will be provided with a non-keyed door lever.

C. The Room shall be fully insulated and ventilated for a maximum temperature of 104°F.

D. The Room shall be furnished with an OSHA guarded, single-phase, exhaust panel fan rated 120VAC, 1/6 hp, 1750 rpm, 60 Hz, with a minimum 300 CFN air delivery: Dayton Hazardous Location Direct-Drive Exhaust Fan Model No. 32ZN53, or Owner-approved equal. The fan shall be furnished with a totally enclosed shaded pole motor, hazardous location ball bearings and spark resistant aluminum fan blades, as well as a fan hood with build-in insect screen and aluminum shutters/flange for axial flow.

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E. The exhaust fan controls shall include a manually operated HAND-AUTO switch, an electronic 24-hour timer, and an 120VAC electronically controlled motorized damper with filter and Firestat device.

1. The Room exhaust fan control panel enclosure shall be furnished for use with the electronic 24-hour timer and HAND-AUTO switch. The enclosure shall be stainless steel, a minimum of NEMA 3R, with an equipment mounting insert panel, a single door with a single handle, 3-point latching mechanism, and having dimensions of 18” x 18” x 8”. The enclosure shall be mounted external to the Room and adjacent to the Room personnel door. Device: Battery Room Exhaust Fan Control Panel

a. HAND-AUTO switch shall be manually operated, two-position, maintained, non-illuminated, with a black knob, and 1NO-1NC contacts: Eaton Catalog Number 10250T20KB, or Owner-approved equal, complete with “HAND-AUTO” legend nameplate: Eaton Catalog Number E34SP39 or Owner-approved equal., and assembled in a single selector switch station enclosure: Eaton Catalog Number E34N1 or Owner-approved equal. The assembled selector switch station shall be mounted to the insert panel. Device: Battery Room Exhaust Fan HAND-AUTO Switch.

b. The electronic 24-hour timer shall be rated for 120VAC, 60 Hz control with a 2-SPST switch configuration: Intermatic Model No. ET1125C or Owner-approved equal. The timer shall be mounted to the insert panel. Device: Battery Room Exhaust Fan Timer.

2. The damper shall operate in unison with the exhaust fan using the electronic 24-hour timer.

3. The Firestat device shall be wired to prevent the exhaust fan from operation during a fire.

4. The electronic 24-hour timer shall be factory set to evacuate the Room completely once a day when the HAND-AUTO switch is set in the AUTO position. A minimum fan run time of five (5) minutes is required.

F. The Room shall be furnished with an eye wash that is wall mounted, is gravity operated, and supplies adequate flow for no less than fifteen (15) minutes: Encon Safety Products Model No. AQ100 with quantity two (2) Model No. AQ120 fluid cartridges – preserved. Device: Eye Wash.

G. The Room shall be furnished with a Hydrogen Gas Detector Kit, 120VAC powered, 1% and 2% H2 concentration alarm levels, visual and audible alarms, Form -C alarm contacts, complete with one (1) main control unit, one (1) remote H2 sensor, with 25 ft. of Cat 5 cable: SBS Model No. SBS-H2 – no substitutes. The main control unit shall be installed near the battery charger in the interior of the Enclosure. The remote sensor shall be installed on a ceiling of the Room. The warning (1% level) alarm contact shall be wired to a SCADA digital input such that contact closes upon warning (1% level) alarm activation. Device: Hydrogen Gas Detector.

H. The Room shall be furnished without receptacles.

I. The Room shall be provided with one (1) ceiling mounted LED light, one (1) emergency light. Refer to Paragraph on Lighting for specifications.

J. The Room shall be provided with one (1) smoke detector that is interconnected to the other smoke detectors throughout the Enclosure. Refer to Paragraph on General Enclosure Equipment for specifications.

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K. All cable penetrations connecting Enclosure equipment to the Room equipment shall be hermetically sealed to prevent discharged battery system gases from being released into the Enclosure.

2.03 BATTERY SYSTEM

A. The Room shall be furnished with a 125VDC, 60 cell, lead acid (lead calcium), minimum capacity of 235 ampere hours at the 8-hour rate. Batteries shall be C&D Model 3DJ-11HP.

B. The battery and accessories shall conform to the latest revision of applicable ANSI, NEMA, IEEE, and NESC standards. Batteries must be manufactured in the United States of America.

C. The specific gravity shall be 1.215 nominal at 77 degrees F.

D. The minimum capacities are to be defined at 1.75 volts per cell at 25 degrees C.

E. The battery cell covers shall be made of self-extinguishing, flame-retardant PVC with tongue-and-groove seals. The cover design shall have UL 94 V-O and ASTM D-635 flammability and self-extinguishing ratings.

F. The batter container(s) are to be transparent, high-impact PVC. The container design shall have UL 94 V- 0 and ASTM D635 flammability and self-extinguishing ratings. Styrene acrylonitrile (SAN) is not acceptable.

G. The battery shall be supplied with the following accessories:

1. Eight (8) solderless connectors for 250 kcmil stranded copper wire.

2. Two (2) connector bolt wrenches

3. A portable hydrometer syringe with wall mounting bracket

4. A vent plug thermometer with plug

5. A cell lifting device

6. All necessary intercell connectors with stainless steel connection hardware.

7. Battery racks, 1 required, 7 feet long, two step configuration with a minimum earthquake rating of zone 2A per 1997 Uniform Building Code. Racks shall be designed and furnished to accommodate the batteries described in these specifications. Rack shall be from same manufacturer as batteries.

H. The battery shall deliver 100% rated capacity upon shipment to Owner.

I. The battery shall be furnished with a factory certified test report (CTR) demonstrating routine test compliance, as well as assurance the battery will deliver 100% of the 1-hour published capacity.

J. The battery with rack shall be furnished with a stainless-steel containment pan that is at least 2” wider than the rack on all sides and has a containment lip of no less than 3” height. All fabrication joints and seams shall be welded to ensure acid containment without leakage.

1. The stainless-steel containment pan shall be furnished with acid absorbing pillows designed to cover the full floor of the pan.

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2.04 BATTERY CHARGER

A. The Enclosure shall be furnished with a battery charger, 240VAC input, 50 Ampere, 130VDC output for full-float service on a 60-cell lead-calcium substation style battery. The battery charger shall be a Unipower (formerly C&D) Model Number ARE-M13050 (no substitutions).

B. The charger supply input shall be rated for 240VAC nominal, 60 Hz, single-phase with overcurrent protection.

C. The charger and accessories shall conform to the latest revision of applicable ANSI, NEMA, IEEE and NESC standards.

D. The output shall have overcurrent protection and shall have two ranges as follows:

1. Float voltage adjustable from 120VDC to 140VDC (approx..) with normal 135VDC (2.25V per cell).

2. Equalize voltage adjustable from 135VDC to 145 VDC (approx..) with normal 139.8VDC (2.33V per cell).

E. Charger shall be solid state (no gas tubes), full wave rectification, with output filter to reduce ripple levels to 100 mV maximum, for 0-50 degrees C operation (convection cooling) without derating, output regulation +/- 1% over full output range and with +/- 10% variation in AC supply, and with output limited to maximum of 150% rating.

F. The following equipment shall be included:

1. DC ammeter and voltmeter (+/- 2% accuracy) with voltmeter connected to battery side of any DC switching or overcurrent protection. Alarm contact shall be furnished to monitor low voltage DC on the battery side of any DC disconnects and all contacts shall be rated for a minimum 0.5A, 125V AC/DC. Alarm contacts to operate with both AC and DC disconnects open.

2. AC power breaker

3. Multiple alarm interface board with individual Form C contracts for the following relays:

a. AC FAIL

b. HVA

c. LVA

d. NCA

e. GND+

f. GNC-

g. SUM

h. NO CHRG

4. Combination “Float-Equalize” switch and 24-hour auto-reset equalize timer.

5. Two (2) white cap ground detection lamps.

6. Lightning protection on AC input

7. Remote temperature probe

G. Charger shall incorporate a battery eliminator circuit.

H. Serviceable components shall be accessible and removable from the front through door.

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I. Factory tests are required including dielectric, voltage adjustment, no-load, current limit and ripple voltage measurement. Certified test results, showing the charger has passed specification requirements, shall be shipped with the charger.

2.05 BATHROOM

A. The control house shall be furnished with a Restroom with nominal interior floor dimension 4’11” by 7’6”.

B. The restroom shall be separated from the rest of the enclosure using a full-height wall and access door.

C. The personnel door shall be 3’6” X 8”0”x1 ¾” double wall construction with 11-gauge steel. The door shall be provided with a fixed louver in the lower portion of the door. The louver shall provide sufficient airflow from the control room to the restroom to ensure that freezing of pluming does not occur when the restroom door in closed.

D. The door will be provided with a non-keyed door lever and non-keyed deadbolt, Schlage Part Number B571 or KUB approved equal.

E. The Restroom shall include the following components, to be provided and installed by the Manufacturer:

1. Toilet, commercial, tank type, floor mounted, white, complete with seat, American Standard Yorkville Model No. 209AA138.020 or KUB approved equal.

2. Floor mounted vanity, complete with sink basin and faucet.

3. Mirror, wall mounted.

4. Water heater, instant-tankless type, integral adjustable thermostat, point -of-use type, mounted below sink, 120 VAC, Chronomite Instant-Flow Micro, Model M-20L or KUB approved equal.

5. Hand dryer, wall-mounted, touchless, white, 120VAC, Xlerator Model XL-BW or KUB approved equal.

6. Toilet paper holder wall mounted.

F. The Restroom shall be furnished with a vertical, wall mounted, OSHA guarded exhaust fan rated 120VAC, 1/20 hp, 1550 PRM, sealed ball bearings, minimum 200 CFM air delivery, Dayton Corrosion Resistant Shutter Mount Direct-Drive Exhaust Fan Model No. 1BLH6 or KUB approved equal. The fan shall be furnished with built-in insect screen and gravity shutters for axial flow.

G. The Restroom exhaust fan shall be controlled by a 120VAC commercial toggle switch.

H. Restroom shall be provided with a 20 Amp, 120VAC GFCI duplex receptacle mounted 18” above the finished floor. An additional 20 Amp, 120VAC GFCI duplex receptacle mounted within 3’ of the sink, per NEC requirements.

I. The Restroom shall be provided with one smoke detector that is interconnected to the other smoke detectors in the Control House.

2.06 ELECTRICAL

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A. The Enclosure shall be provided with the electrical equipment and features indicated in this Article.

B. Two (2) molded case, 2-pole, 3-wire, supply ACB rated 225 Ampere, 600 Volts, 3/0 – 600 kcmil cable range, shall be mounted to the interior Enclosure wall. The supply ACB shall be heavy-duty and furnished with an ANSI 61 or 70 light gray colored NEMA 1 rated housing with an operation handle that is pad lockable in the OPEN or CLOSED positions, Easton Catalog Number SNKD3400W—FLXZ15 or Owner-approved equivalent. Devices: SSCB1, SSCB2

C. One (1) single-phase, 3-wire, 2-pole, solid neutral, automatic transfer switch (ATS) rated 260 Ampere, 240 Volt, 60 Hz, with microprocessor control, alarm contacts and factor installed surge suppression equipment. ATS shall be mounted in a heavy-duty ANSI 61 or 70 light gray colored NEMA 1 rated. ATS shall operate when normal source voltage falls below 70% and return to normal when the normal source voltage is 90% or more. The transfer shall be delayed by 3 seconds and no delay is required for the return. ATS alarm contact shall have a 3-second delay. The ATS shall be ASCO Series 300 Power Transfer Switch, Catalog Number E300C2260FGXC, 11BE, 18RX, 73AA, 125A with ASCO Pulsar 450 Surge Suppressor, Catalog Number 450120S30 (no substitutes). Device ATS

D. Two (2) single-phase AC load centers rated 225 Ampere, 120/240 Volt, 3-wire, 10kAIC. Each load center shall be furnished with a 225 Ampere main breaker with double main lugs, a 42-space panelboard supplied with branch circuit breakers as shown on the AC Distribution Panels drawing, and all necessary neutral and grounding accessories. The load center shall be furnished with a heavy-duty ANSI 61 or 70 light gray colored NEMA 1 rated housing. The panelboard shall be furnished with a typed panel schedule. The load center shall be Eaton Po-R-Line Type with Cutler-Hammer GHB type branch circuit breakers (no substitute). Devices: AC PANEL NO. 1, AC PANEL NO. 2.

E. One (1) DC bus voltage monitoring control enclosure. The enclosure shall consist of a heavy-duty ANSI 61 or 70 light gray colored NEMA 1 rated enclosure with shatterproof sigh winder for viewing the bus voltage monitoring relays, 12” x 12” x6”, Hoffman Catalog No. CDS12126W or Owner-approved equivalent. Device: DC BUS VOLTAGE MONITOR PANEL

F. Two (2) bus voltage monitor for above enclosure, including two (2) 2psupply fuse blocks with 6A Bussmann FRN-type fused and two (2) Bender Multi-functional monitoring relays with mounting hardware, Gender Catalo No. VME-421A-D-2 Art. No. B9301004, with mounting hardware Art. No.

B98060008 (no substitutes). Devices: DC127, DC227

2.07 GENERAL ENCLOSURE EQUIPMENT

A. The Enclosure shall be provided with the general equipment and features indicated in this Article.

B. HVAC system: rated 240VAC and sized as necessary for a maximum temperature of 80°F inside the aisle if the outside temperature is 104°F and 65°F inside the aisle if the outside temperature is 0°F. The HVAC system shall have a tamper-resistant programmable thermostat and a 0 – 60-minute timer to override the thermostat. The HVAC system shall be prevented from operation through electrical means in the event of an Enclosure fire.

C. Smoke detection system:

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1. Smoke detection devices shall be installed in accordance with NFPA 72 code requirements.

2. Must include a minimum of three (3) 120 VAC ceiling mounted smoke detectors: two (2) or more units in the control room and one (1) in the battery room, Gentex Corporation 713CS Series Temporal 3 Piezo Sonder Model Number 7139-Cs-C, Part No. 917-0020-002 (no substitute).

3. Shall be wired such that when one detector alarms, all detectors go into alarm mode.

D. Receptacles: 20 Ampere, 120VAC, duplex receptacles 18” above the interior floor level on the interior of the Enclosure. All exterior receptacles shall be 20 Ampere, 120VAC, GCFI duplex receptacles housed in Class1, Group D, Division II fittings.

E. Light switches: 20 Ampere, 120VAC on both the interior and exterior of the Enclosure. All exterior light switches shall be housed in Class 1, Group D, Division II fittings.

F. Cable tray: ladder type, aluminum, double rung with 9” rung spacing and using 12”, 18”, 24” and 36” widths as NEMA Class 12B shall be used inside the Enclosure for control cable.

1. The tray shall be furnished with securely attached aluminum covers for all vertically mounted assemblies.

G. Conduit: electrical metallic tubing, ¾” minimum size, shall be used for all exposed cable or conductors that are not securely attached with the Enclosure cable tray.

1. Thirty (30) conduit bushings – 4-inch, Schedule 40 PVC conduits shall be installed in the floor along the Enclosure’s cantilevered wall extending over the cable pit for yard control cable entry.

2. All conduit bushing shall be factor sealed with conduit plugs, TYCO Telecommunications Product Number JM-BLA-60D637U or Owner-approved equal shall be furnished.

H. General Enclosure wiring: where not identified otherwise, conductors shall be copper, Type THHN, rated 600 Volt with 90°C insulation for cable tray use. Conductors for power and lighting circuits shall be suitable sized, insulated and stranded for the application. Minimum size is #12AWG except for HVAC controls which may be #16AWG.

I. Weatherproofing: all penetrations of the exterior wall shall be sealed with an Owner-approved watertight sealant. The Manufacturer shall provide two (2) additional tubes of sealant with its MDS for future use by Owner once the Enclosure is assembled and in operation.

J. Main Enclosure ground: #4/0, bare copper, ground wire shall be provided along the outside of the cable tray for connection of equipment grounds, as well as, for grounding all cable tray components, horizontal and vertical.

K. If any Manufacturer-supplied equipment includes batteries such as emergency lights, exit lights, smoke detectors, etc., this equipment must be powered every 4-6 weeks during storage to prevent battery failure and meet Manufacturer’s warranty requirements.

L. One (1) yard and Enclosure exterior lighting control panel, complete with the following equipment as specified on D- 18926 SH-1 Yard Ltg. and Recept. Control Panel and wired per D-18926 – SH-2, Yard Ltg.

Control Panel Wiring Diagram.

33 72 33 - 14 REVISED MM/DD/YY

1. One (1) NEMA 1 enclosure, ANSI 61 or 70 light gray colored with an equipment mounting insert panel, a single door with a single handle 3-point latching mechanism and having the following dimensions: 36” x 36” x 8”. Device: Yard and Control House Exterior Lighting Control Panel

2. Two (2) non-illuminated maintain selector switches, 30.5mm, black actuator, 2 NO contacts, 600VAC, 6A, complete with legend nameplate “HAND-OFF-AUTO”, Cutler-Hammer Model 10250T21KB. Devices: CS1, CS2

3. One (1) control relay, 4 NO contacts, 120VAC coil, Square D Model No. 8501XO40V02. Device: R1

4. Two (2) lighting contactors, 2 NO contacts rated 600VAC, 30A, with 120VAC coil, Square D Model

No 8910DPA33V02, Devices: LC1, LC2

5. Five (5) terminal blocks, 12 pole, 600V, 30 A rated, Marathon Model No 1512STD. Devices: TB1, TB2, TB3, TB4, TB5

M. One (1) yard lighting photocell and GPS antenna junction box, complete with the following equipment as specified on D-18926 –SH-1 Yard Ltg. & Recept. Control Panel with photocell wired per D-18926-SH-2 – Yard Ltg. & Control Panel Wiring Diagram:

1. One (1) NEMA 4X enclosure, stainless steel, with an equipment mounting insert panel, a single door with continuous hinge and clamped cover, and having the following dimensions: 18”x12”x10”.

Device: Yard Lighting Photocell and GPS Antenna Junction Box.

2. One (1) photocell, 120VAC rated, instant-on, delay-off, grey, Tork Model No. 5001M, complete with locking type receptacle base, all weather housing, #14 AWG black, white, and red leads. GE Model No. M2A. Device: Photocell

3. One (1) terminal block, 6 pole, 600V, 30A rated, Marathon Model 1506STD. Device: TBP

4. One (1) GPS antenna, complete with pipe mounting kit and surge arrester (with pipe mounting kit).

Includes GPS/GLONASS Antenna (SEL-9524B), 50ft. LMR-400 Cable (SEL-C961-050), Gas Tube Surge Protector and Mounting kit (915900139), 25 ft. LMR-400 Cable (SEL-C961-025), Antenna Pipe Mounting Kit (915900043), SEL-2488, Catalog No. 24880RAA1281AX23X.Device: GPS Antenna

N. One (1) security panel, complete with the following equipment:

1. One (1) NEMA 1 enclosure, ANSI 61 or 70 light gray colored with an equipment mounting insert panel, a single door with a single handle 3-point latching mechanism and having the following dimensions: 24”x24”x8”. Device: Security Panel No. 1

2. One (1) 20 ampere, 120VAC duplex receptacle installed on the insert panel on the hinge side, lower corner.

O. Space provisions only for one (1) Matrix Systems MX Reader distribution panel, Matrix hardware no. 01- 14206-MSG2. Device: Security Panel No. 2

2.08 LIGHTING

A. The Enclosure shall be provided with the general equipment and features indicated in this Article.

B. Interior lighting system: Eight (8) minimum ceiling mounted, 4’long, wraparound low-profile style with shatter-proof lens, white finish, LED lamp type, 4000K color temperature, 4800 lumens, rated for 120VAC, Lithonia Lighting catalog no. STL4 48L EZ1 LP840 or Owner-approved equivalent.

REVISED MM/DD/YY 33 72 33 - 15

C. The interior lighting system shall be supplied in quantities and locations that furnish a minimum lighting level of 100-foot candles 30” above the floor in the main aisle.

D. The lighting system mounting method shall not require holes in the exterior walls or roof or interfere with cable trays.

E. The lighting system for the Enclosure shall be controlled by two (2) 120V, 20A, commercial switches located inside the Enclosure adjacent to the exterior personnel door rim exit device.

F. One (1) emergency exit signs: one (1) unit in the Control Room, wall or ceiling mounted at the exterior personnel door, steel housing, indoor, LED lamp, red panel, white finish, dual 120/277 VAC operation with a sealed nickel-cadmium battery backup, providing a minimum of 90 minutes illumination upon loss of AC power, Litonia Lighting Catalog Number LX 3 R EL N (no substitute).

G. Three (3) thermoplastic emergency lights: two (2) units in the Control Room, and one (1) in the Battery Room – wall mounted, indoor, LED lamp type, two (2) adjustable lamp heads, white finish, dual 120/277 VAC operation with a sealed nickel-cadmium battery backup, charger and self-diagnostics, providing a minimum of 90 minutes illumination for the rated wattage upon loss of AC power, Lithonia Lighting Catalog Number ELM2L (no substitute)

H. Three (3) outdoor general purpose LED wall pack lights: located at the exterior personnel doors – wall mounted on the exterior of the Enclosure, outdoor, LED lamp type, dual 120/277 VAC operation, 4000k color temperature 2900 lumens, white finish, Litonia Lighting Catalog Number WPX1 LED P2 40K MVOLT DWHXD 9without photocell) or Owner-approved equal. Lights shall be operated from the Yard and Control House Exterior Lighting Panel.

2.09 SCADA AND RELAY PANELS

A. All relay panels, SCADA racks, and other controls not specified within this document will be furnished and installed separately by Owner.

2.10 ACCESSORIES

A. Provisions for one (1) Matrix Systems Proximity Intelligent Badge Reader with weather hoods located on the Enclosure’s exterior door: Matrix Hardware No’s. 01-12093E reader and 3713615 hood.

2.11 ATTACHMENTS

A. Table 1: List of Assembly Drawings

B. Control House Information Sheet

PART 3 – EXECUTION (NOT USED)

END OF SECTION

[PROJECT ID] SUSTATION CONTROL HOUSE

REVISED MM/DD/YY 33 72 33 ATTACHMENT A - 1

For Bidding purposes, Owner will provide the drawings and documents listed below with the Bid Package. Final drawings and document package with be provided with the issuance of Owner’s purchase order.

TABLE 1: LIST OF ASSEMBLY DRAWINGS

DRAWING NO. DRAWING DESCRIPTION REVISION

D-18912, Sh. 1-5 Control House Plan View, Interior & Exterior Sections R0

D-18917 Sh. 1 Single Line Diagrams R0

D-18923, Sh.1 DC Distribution Panels R0

D-18924, Sh.1 AC Distribution Panels R0

D-18926, Sh.1-2 Yard Ltg. & Recepts Schematics R0

[PROJECT ID] SUSTATION CONTROL HOUSE

REVISED MM/DD/YY 33 72 33 ATTACHMENT B - 1

CONTROL HOUSE INFORMATION SHEET

The following data shall be considered as part of the evaluated bid as indicated in the Instructions to Bidders and should be submitted with the bid package:

1. Manufacturer: ___________________________________________________________________________

2. Guaranteed Delivery Date with onsite installation/assembly (weeks): ____________________

3. Guaranteed Submittal Date for approval drawings/documents (weeks)

First package: Control House foundation details ____________________

4. Number and size of shipping sections Number: ____________________

Size: ____________________

5. Will the Control House and all of its components and accessories be wholly certified by the State of Tennessee in accordance with the Tennessee Code Annotated (TCA), Title 68, Chapter 126, Part 3 Tennessee Modular Building Act? Yes ________ No ________

6. Building Type Construction; Steel _________ Concrete ___________

7. Have anchoring bolts details and requirements been provided? Yes ________ No ________

8. Has a proposed project plan summary been provided? Yes ________ No ________

9. Has a quality control plan summary been provided? Yes ________ No ________

10. Have references been provided? Yes ________ No ________

11. Name of Manufacturer’s Project Manager: ______________________________________

SECTION TITLE [PROJECT ID]

SECTION NUMBER - 2 REVISED MM/DD/YY

Master Specification Section Owner: Electric Systems Engineering Discipline Reviewer: Electric Systems Engineering Manager Cross-Discipline Reviewer:

Summary of Changes:

Rev. No. Revision Date Description / Justification Author

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

2. The substation battery system in the assembled Enclosure. The exact delivery date for this delivery shall be coordinated in advance with Owner.