PART IV
DETAILED SPECIFICATION
OUTLINE
SPECIFICATIONS
FOR
FROSTBURG STATE UNIVERSITY SERF
BUILDING ELECTRICAL UPGRADES
Prepared by
H.F. LENZ COMPANY
Consulting Engineers
1407 Scalp Avenue
Johnstown, Pennsylvania 15904
August 1, 2014
HFL File No. 2014-0304.01
PROJECT TABLE OF CONTENTS
PAGES
DIVISION 26 -- ELECTRICAL
260519
260526
260529
260533
260553
262200
262416
LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS ------------HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS ---------------RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS ------------------IDENTIFICATION FOR ELECTRICAL SYSTEMS -----------------------------LOW-VOLTAGE TRANSFORMERS ----------------------------------------------PANELBOARDS --------------------------------------------------------------------------
-- End of Project Table of Contents --
PROJECT TABLE OF CONTENTS PAGE 1
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SECTION 260519 - LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES
1.1
MATERIALS
A.
Conductors and Cables:
1.
2.
1.2
Conductors: Copper.
Conductor Insulation: Type THHN/THWN-2
CONDUCTOR MATERIAL APPLICATIONS
A.
Feeders: Copper Solid for No. 10AWG and smaller; stranded for No. 8 AWG and larger.
B.
Branch Circuits: Copper. Solid for No. 10 AWG and smaller; stranded for No. 8 AWG and
larger.
1.3
CONDUCTOR INSULATION AND MULTICONDUCTOR CABLE APPLICATIONS AND
WIRING METHODS
A.
Exposed Feeders: Type THHN/THWN-2, single conductors in raceway
B.
Feeders Concealed in Ceilings, Walls, Partitions, and Crawlspaces: Type THHN/THWN-2,
single conductors in raceway.
C.
Exposed Branch Circuits, Including in Crawlspaces: Type THHN/THWN-2, single conductors
in raceway
D.
Branch Circuits Concealed in Ceilings, Walls, and Partitions: Type THHN/THWN-2, single
conductors in raceway.
1.4
FIELD QUALITY CONTROL
A.
Testing: By Contractor.
B.
Infrared Scanning: For each splice in cables and conductors No. 3 AWG and larger.
END OF SECTION 260519
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Frostburg State University
SERF Building Electrical Upgrades
SECTION 260526 - GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS
1.1
QUALITY ASSURANCE
A.
1.2
Quality Standard for Grounding and Bonding Materials and Equipment: UL 467.
PRODUCTS
A.
Insulated Conductors: Copper wire or cable.
B.
Bare Copper Conductors:
1.
2.
3.
4.
5.
6.
Solid conductors.
Stranded conductors.
Tinned conductors.
Stranded bonding conductors.
Copper tape braided bonding jumpers.
Tinned-copper braided bonding jumpers.
C.
Grounding Bus: Predrilled rectangular copper bars with stand-off insulators.
D.
Connectors: Bolted.
1.3
FIELD QUALITY CONTROL
A.
Ground Resistance Testing: By Contractor-engaged agency.
END OF SECTION 260526
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SERF Building Electrical Upgrades
SECTION 260529 - HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS
1.1
PERFORMANCE REQUIREMENTS
A.
1.2
Rated Strength: Minimum structural safety factor of five times the applied force.
PRODUCTS
A.
Support, Anchorage, and Attachment Components:
1.
2.
3.
4.
5.
6.
7.
Steel slotted support systems with metallic coatings.
Nonmetallic slotted support systems.
Raceway and cable supports.
Steel conduit and cable hangers, clamps, and associated accessories.
Support for non-armored conductors and cables in vertical conduit risers.
Structural steel for fabricated supports and restraints.
Mounting, Anchoring, and Attachment Components:
a.
b.
c.
d.
e.
f.
B.
Powder-actuated fasteners.
Mechanical-expansion anchors.
Concrete inserts.
Clamps for attachment to steel structural elements.
All steel, springhead toggle bolts.
Threaded hanger rods.
Fabricated Metal Equipment Support Assemblies: Welded or bolted steel shapes.
END OF SECTION 260529
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SERF Building Electrical Upgrades
SECTION 260533 - RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS
1.1
MATERIALS
A.
Metal Conduits, Tubing, and Fittings:
1.
2.
3.
4.
5.
GRC.
EMT.
FMC: Zinc-coated steel
LFMC.
Fittings:
a.
b.
B.
EMT: Steel compression type.
Expansion fittings.
Nonmetallic Conduits, Tubing, and Fittings:
1.
2.
RNC.
Fittings: Match conduit.
C.
Metal Wireways and Auxiliary Gutters: Sheet metal with hinged covers.
D.
Surface Metal Raceways: Metal, galvanized steel, with snap-on covers.
E.
Boxes, Enclosures, and Cabinets:
1.
2.
3.
4.
5.
6.
7.
1.2
Metal Outlet and Device Boxes: Aluminum.
Nonmetallic outlet and device boxes.
Small sheet metal pull and junction boxes.
Cast-metal access, pull, and junction boxes.
Box extensions.
Hinged-Cover Enclosures: Metal
Cabinets: Galvanized steel.
RACEWAY APPLICATION
A.
Indoors:
1.
2.
3.
4.
5.
6.
7.
B.
Exposed, Not Subject to Physical Damage: EMT
Exposed, Not Subject to Severe Physical Damage: EMT
Exposed and Subject to Severe Damage: GRC.
Concealed: EMT
Connection to Vibrating Equipment: FMC, except LFMC in damp or wet locations.
Damp or Wet Locations: GRC.
Boxes and Enclosures: Type 1.
Minimum Raceway Size: 3/4-inch (21-mm) trade size.
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SERF Building Electrical Upgrades
C.
Raceway Fittings: Compatible with raceways and suitable for use and location.
1.
2.
3.
Rigid and Intermediate Steel Conduit: Threaded rigid steel conduit fittings.
EMT: compression, steel fittings.
Flexible Conduit: Fittings listed for use with flexible conduit.
END OF SECTION 260533
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SERF Building Electrical Upgrades
SECTION 260553 - IDENTIFICATION FOR ELECTRICAL SYSTEMS
1.1
QUALITY ASSURANCE
A.
1.2
Comply with ANSI A13.1 and IEEE C2.
PRODUCTS
A.
Power and Control Raceway Identification: Vinyl labels.
B.
Power and Control Cable Identification: Vinyl labels.
C.
Conductor Identification: Color-coding conductor tape.
D.
Floor Marking Tape: Pressure-sensitive vinyl tape.
E.
Warning Labels and Signs: Self-adhesive warning labels.
F.
Instruction Signs: Engraved, laminated acrylic or melamine plastic.
G.
Equipment Identification Labels: Engraved, laminated acrylic or melamine plastic.
END OF SECTION 260553
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Frostburg State University
SERF Building Electrical Upgrades
SECTION 262200 - LOW-VOLTAGE TRANSFORMERS
1.1
PRODUCTS
A.
General Transformer Requirements:
1.
B.
Coils: Copper, continuous windings without splices except for taps.
Distribution Transformers:
1.
2.
3.
4.
5.
6.
Core: One leg per phase.
Coils: Copper, continuous windings without splices except for taps.
Enclosure:
a.
Ventilated.
Taps for Transformers 25 kVA and Larger: Two 2.5 percent taps above and two 2.5
percent taps below normal full capacity.
Insulation Class: 220 deg C, with maximum 150 deg C rise above 40 deg C.
Features:
a.
b.
c.
d.
e.
1.2
K-factor rating.
Electrostatic shielding.
Wall brackets.
Fungus proofing.
Low sound level.
SOURCE QUALITY CONTROL
A.
1.3
Transformers: Factory tested and inspected.
FIELD QUALITY CONTROL
A.
Testing: By Contractor.
END OF SECTION 262200
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Frostburg State University
SERF Building Electrical Upgrades
SECTION 262416 - PANELBOARDS
1.1
QUALITY ASSURANCE
A.
1.2
Manufacturer Qualifications: ISO 9001 or 9002 certified.
WARRANTY
A.
1.3
Panelboards: 18 months.
PRODUCTS
A.
General Requirements for Panelboards:
1.
2.
Constructed to withstand seismic forces.
Enclosures: Surface mounted.
a.
b.
3.
4.
Incoming Mains: Top.
Phase, Neutral, and Ground Buses: Copper.
5.
Conductor Connectors:
a.
b.
c.
6.
7.
B.
Material: Hard-drawn Copper.
Main and Neutral Lugs: Mechanical type.
Ground Lugs and Bus-Configured Terminators: Mechanical type.
Percentage of Future Space Capacity: Ten percent.
Service equipment label for panelboards incorporating one or more main service
disconnecting and overcurrent protective devices.
Panelboard Short-Circuit Current Rating: Fully rated to interrupt symmetrical short-circuit
current available at terminals.
1.
2.
3.
4.
C.
Front: Hinged Cover.
Directory card.
Mains: Circuit Breaker or Lugs.
Branch Overcurrent Protective Devices for Circuit-Breaker Frame Sizes 125 A and
Smaller: Bolt on Circuit Breakers.
Branch Overcurrent Protective Devices for Circuit-Breaker Frame Sizes Larger than
125 A: Bolt on Circuit Breakers.
Branch Overcurrent Protective Devices: Fused switches.
Lighting and Appliance Branch-Circuit Panelboards:
1.
2.
Mains: Circuit Breaker or Lugs.
Branch Overcurrent Protective Devices: Bolt on circuit-breaker type.
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SERF Building Electrical Upgrades
3.
D.
Doors: Concealed hinge.
Disconnecting and Overcurrent Protective Devices:
1.
MCCB: Interrupting Capacity.
a.
b.
Circuit Breakers: Thermal magnetic type.
MCCB Features and Accessories:
1)
2)
3)
4)
2.
E.
Panelboard labels.
Breaker labels.
Circuit Directory: Computer generated, metal frame with transparent cover.
Accessories:
1.
2.
1.4
Type-HD fused switch.
Identification:
1.
2.
3.
F.
Lugs: Mechanical style.
Appropriate for Application: Type SWD for switching fluorescent lighting
loads; Type HID for feeding fluorescent and HID lighting circuits.
Rating Plugs: Three-pole breakers with ratings greater than 150A.
Multipole units enclosed in a single housing with single handle.
Accessory set including tools.
Portable test set.
FIELD QUALITY CONTROL
A.
Testing: By Contractor.
END OF SECTION 262416
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Frostburg State University
SERF Building Electrical Upgrades