36C10F19R0010-0004079.pdf

GREAT LAKES NATIONAL CEMETERY PROJECT NO. 935-004

PHASE 2 DEVELOPMENT MAY 10, 2019

GROUNDING AND BONDING FOR COMMUNICATIONS SYSTEMS

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a. DM Telecom - Telecommunications & Special Telecommunications Systems Design

Manual, 2016.

1.5 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

1.6 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of Construction."

PART 2 - PRODUCTS

2.1 PRODUCTS - GENERAL

A. Provide each product type by a single manufacturer.

2.2 GROUNDING AND BONDING CONDUCTORS

A. Equipment Grounding Conductors: UL 83 insulated stranded copper, except solid copper for sizes 10 AWG and smaller. Continuous green insulation color for equipment grounding conductors, except wire sizes 4 AWG and larger may be identified according to NFPA 70.

B. Bonding Conductors: ASTM B8 bare stranded copper, except ASTM B1 solid bare copper at sizes 10 AWG and smaller.

C. Isolated Power System: Type XHHW-2 insulation with 3.5 or less dielectric constant.

D. Telecom System Grounding Riser Conductor: TIA 607, minimum 1/0 AWG insulated stranded copper grounding conductor, unless otherwise indicated.

2.3 GROUND RODS

A. Copper Clad Steel: UL 467, 3/4-inch diameter by 10 feet long.

B. Provide quantity required to obtain specified ground resistance.

2.4 SPLICES AND TERMINATION COMPONENTS

A. Splices and Termination Components: Meet or exceed UL 467, clearly marked with manufacturer, catalog number, and permitted conductor sizes.

2.5 TELECOMMUNICATION SYSTEM GROUND BUSBARS

A. Busbar: Solid copper, pre-drilled from two-hole lug connections, minimum 1/4-inch thick for wall and backboard mounting using standard insulators sized as follows:

1. Room Signal Grounding: 12 inches by 4 inches.

2. Master Signal Ground: 24 inches by 4 inches.

2.6 GROUND CONNECTIONS

A. Below Grade: Exothermic-welded type connectors.

B. Above Grade:

1. Bonding Jumpers: Compression type connectors, using zinc-plated fasteners and external tooth lockwashers.

2. Ground Busbars: Two-hole compression type lugs using tin-plated copper or copper alloy bolts and nuts.

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3. Rack and Cabinet Ground Bars: One-hole compression-type lugs using zinc-plated or copper alloy fasteners.

C. Cable Shields: Make ground connections to multipair communications cables with metallic shields using shield bonding connectors with screw stud connection.

2.7 GROUND TERMINAL BLOCKS

A. Terminal Blocks: Provide screw lug-type at equipment mounting locations, such as backboards and hinged cover enclosures, where rack-type ground bars cannot be mounted.

2.8 SPLICE CASE GROUND ACCESSORIES

A. Splice Case Grounding and Bonding Accessories: Supplied by splice case manufacturer or

6 AWG insulated ground wire with shield bonding connectors.

2.9 COMPUTER ROOM AND ENTRANCE ROOM GROUND

A. Computer Room and Entrance Room Ground: 1/0 AWG bare copper grounding conductors bolted at mesh intersections to form equipotential grounding grid in 24-inch mesh pattern. Bond grid to each access floor pedestal.

PART 3 - EXECUTION

3.1 GROUNDING - GENERAL

A. Ground according to NFPA 70, TDM Chapter 4, as shown on drawings, and as specified.

B. Grounding:

1. Ground equipment to eliminate shock hazard and minimize, to maximum extent possible, ground loops, common mode returns, noise pickup, and cross-talk.

2. System:

a. Ground CFE and identified GFE to earth ground, via approved electrical ground with wires run inside building, to eliminate shock hazards. Provide minimum number of ground connections. Ground resistance to be 0.1 ohm or less.

b. Use of AC neutral for system control, subcarrier or audio reference ground, either in power panel or receptacle outlet, is not acceptable.

c. Conduit, signal duct, or cable trays may not be used as system or electrical ground.

These items are acceptable only for dissipation of internally generated system static charges, not to be confused with externally generated lightning, that may be applied or generated outside mechanical and physical confines of system to earth ground.

Discovery of improper system grounding is ground to declare system unacceptable and termination of system acceptance testing.

3. Cabinet Bus: Extend minimum 10 AWG solid copper wire common ground bus throughout each equipment cabinet. Home-run common ground bus from each equipment cabinet to system ground.

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4. Equipment: Bond equipment to cabinet ground bus with copper braid equivalent to minimum

14 AWG.

a. Acceptable Alternatives: Self-grounding equipment enclosures, racks or cabinets, providing OEM certified functional ground connections through physical contact with installed equipment.

5. Cable Shields: Bond cable shields to cabinet ground buss with minimum 14 AWG stranded copper wire at one end of cable run. Insulate cable shields from each other, face-plates, equipment racks, consoles, enclosures or cabinets, except at system common ground point.

Provide one ground connection at source for coaxial and audio cables, if possible, with minimum number of cable shield ground connections.

C. System Grounding:

1. Secondary Service Neutrals: Ground at supply side of secondary disconnecting means and at related transformers.

2. Separately Derived Systems (Transformers Downstream from Service Entrance): Ground secondary neutral.

3. Do not system ground isolation transformers and isolated power systems.

D. Equipment Grounding: Bond and ground metallic structures, including ductwork and building steel, enclosures, raceways, junction boxes, outlet boxes, cabinets, machine frames, and other conductive items in close proximity to electrical circuits.

3.2 INACCESSIBLE GROUNDING CONNECTIONS

A. Inaccessible Grounding Connections: Exothermically weld buried or otherwise normally inaccessible grounding connections, except connections for which periodic testing access is required.

3.3 SECONDARY EQUIPMENT AND CIRCUITS

A. Main Bonding Jumper: Bond secondary service neutral to ground bus in service equipment.

B. Metallic Piping, Building Steel, and Supplemental Electrodes:

1. Provide grounding electrode conductor sized according to NFPA 70 between service equipment ground bus and metallic water and gas pipe systems, building steel, and supplemental or made electrodes. Jumper insulating joints in metallic piping. Make connections to electrodes with fittings according to UL 467.

2. Provide supplemental ground electrode and bond to grounding electrode system.

C. Conduit Systems:

1. Ground metallic conduit systems. Provide metallic conduit systems with equipment grounding conductor.

2. Provide equipment grounding conductor for non-metallic conduit systems, except for non-metallic feeder conduits carrying grounded conductor from exterior transformers to interior or building-mounted service entrance equipment.

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3. Bond conduit containing only grounding conductor, provided for mechanical protection of conductor at entrance and exit from conduit.

D. Feeders and Branch Circuits: Install equipment grounding conductors with feeders and power and lighting branch circuits.

E. Boxes, Cabinets, Enclosures, and Panelboards:

1. Bond equipment grounding conductor to each pullbox, junction box, outlet box, device box, cabinets, and other enclosures through which conductor passes.

2. Provide lugs in each box and enclosure for equipment grounding conductor termination.

3. Provide ground bars in panelboards, bolted to housing, with sufficient lugs to terminate equipment grounding conductors.

F. Do not ground receptacles through their mounting screws, ground with jumper from receptacle green ground terminal to device box ground screw and branch circuit equipment grounding conductor.

3.4 CORROSION INHIBITORS

A. When making ground and ground bonding connections, apply corrosion inhibitor to contact surfaces. Use corrosion inhibitor appropriate for protecting connection between metals used.

3.5 CONDUCTIVE PIPING

A. Bond conductive piping systems, interior and exterior, to building to grounding electrode system.

Make bonding connections as close as practical to equipment ground bus.

3.6 TELECOMMUNICATIONS SYSTEM

A. Bond telecommunications system grounding equipment to facility main electrical grounding electrode system at source point.

B. Provide wire and hardware required to properly ground, bond and connect communications raceway, cable tray, metallic cable shields, and equipment to ground source.

C. Provide continuous ground bonding jumpers without splices. Use shortest possible bonding jumper length.

D. Provide permanent and continuous ground paths with maximum 1-ohm resistance from raceway, cable tray, and equipment connections to building grounding electrode. Resistance across individual bonding connections to be maximum 10 milliohms.

E. Below-Grade Grounding Connections: When making exothermic welds, wire brush or file point of contact to bare metal surface. Use exothermic welding cartridges and molds according to manufacturer’s instructions. After welds have been made and cooled, brush slag from weld area and thoroughly clean joint area. Notify Resident Engineer/Contracting Officer's Representative

(RE/COR) before backfilling any ground connections.

F. Above-Grade Grounding Connections: When making bolted or screwed connections to attach bonding jumpers, remove paint to expose entire contact surface by grinding where necessary, 27 05 26 - 6 thoroughly clean connector, plate and other contact surfaces, and apply appropriate corrosion inhibitor to surfaces before joining.

G. Bonding Jumpers:

1. Provide insulated ground wire of size and type shown on Drawings or use minimum 6 AWG insulated copper wire.

2. Assemble bonding jumpers using insulated ground wire terminated with compression connectors.

3. Provide compression connectors of proper size for conductors specified. Use connector manufacturer’s compression tool.

H. Bonding Jumper Fasteners:

1. Conduit: Fasten bonding jumpers with screw lugs on grounding bushings or conduit strut clamps, or clamp pads on push-type conduit fasteners. When screw lug connection to conduit strut clamp is not possible, fasten plain end of bonding jumper wire by slipping plain end under conduit strut clamp pad and firmly tighten clamp screw. Where appropriate, use zinc-plated external tooth lockwashers.

2. Wireway and Cable Tray: Fasten bonding jumpers using zinc-plated bolts, external tooth lockwashers, and nuts. Install protective cover, for example, zinc-plated acorn nuts on any bolts extending into wireway or cable tray to prevent cable damage.

3. Ground Plates and Busbars: Fasten bonding jumpers using two-hole compression lugs.

Provide tin-plated copper or copper alloy bolts, external tooth lockwashers, and nuts.

4. Raised Floor Stringers: Fasten bonding jumpers using zinc-plated, self-drill screws and external tooth lockwashers. Contact AHJ 07A2 for specific instructions.

3.7 COMMUNICATION ROOM GROUNDING

A. Telecommunications Ground Busbars:

1. Provide communications room telecommunications ground busbar hardware, minimum size as described in TDM Chapter 4 at locations indicated on Drawings.

2. Connect telecommunications room ground busbars to other room grounding busbars as indicated on drawings.

B. Telephone-Type Cable Rack Systems: An aluminum pan installed on telephone-type cable rack serves as primary ground conductor within communications room. Make ground connections by installing the following bonding jumpers:

1. 6 AWG bonding between telecommunications ground busbar and nearest access to aluminum pan installed on cable rack.

2. Provide 6 AWG bonding jumpers across aluminum pan junctions.

C. Self-Supporting and Cabinet-Mounted Equipment Rack Ground Bars:

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1. When ground bars are provided at rear of lineup of bolted together equipment racks, bond copper ground bars together using solid copper splice plates furnished by ground bar manufacturer.

2. Bond together nonadjacent ground bars on equipment racks and cabinets with 6 AWG insulated copper wire bonding jumpers attached at each end with compression-type connectors and mounting bolts.

3. Provide 6 AWG bonding jumper between rack or cabinet ground busbar and overhead cable tray aluminum pan or raised floor stringer as required.

D. Backboards: Provide screw lug-type terminal block or drilled and tapped copper strip near top of backboards used for communications cross-connect systems. Connect backboard ground terminals to telephone-type cable tray aluminum pan using insulated 16 AWG bonding jumper.

E. Other Communication Room Ground Systems: Ground metallic conduit, wireways, and other metallic equipment located away from equipment racks or cabinets to cable tray pan or telecommunications ground busbar, whichever is closer, using insulated 6 AWG ground wire bonding jumpers.

3.8 COMPUTER ROOM GROUNDING

A. Conduit: Ground and bond metallic conduit systems as follows:

1. Ground metallic service conduit and any pipes entering or being routed within computer room at each end using 6 AWG bonding jumpers.

2. Bond at intermediate metallic enclosures and across joints using 6 AWG bonding jumpers.

3.9 COMMUNICATIONS CABLE GROUNDING

A. Bond metallic cable sheaths in multipair communications cables together at each splicing or terminating location to provide 100 percent metallic sheath continuity throughout communications distribution system.

1. At terminal points, install cable shield bonding connector to provide screw stud connection for ground wire. Use bonding jumper to connect cable shield connector to appropriate ground source, such as rack or cabinet ground bar.

2. Bond metallic cable shields together within splice closures using cable shield bonding connectors or splice case grounding and bonding accessories furnished by splice case manufacturer. When an external ground connection is provided as part of splice closure, connect to approved ground source and other metallic components and equipment at that location.

3.10 COMMUNICATIONS CABLE TRAY SYSTEMS

A. Bond metallic structures of one cable tray in each tray run following same path to provide 100 percent electrical continuity throughout cable tray systems as follows:

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1. Splice plates furnished by cable tray manufacturer is acceptable for ground bonding connection between cable tray sections when resistance across bolted connection is maximum 10 milliohms. Verify loss by testing across one slice plate connection.

2. Install 6 AWG bonding jumper across each cable tray splice or junction where splice plates cannot be used.

3. At cable tray terminations to cable rack, install 6 AWG bonding jumper between cable tray and cable rank pan.

3.11 COMMUNICATIONS RACEWAY GROUNDING

A. Conduit: Provide insulated 6 AWG bonding jumpers to ground metallic conduit at each end and to bond at intermediate metallic enclosures.

B. Wireway: Provide insulated 6 AWG bonding jumpers to ground or bond metallic wireway at each end at intermediate metallic enclosures and across section junctions.

C. Cable Tray Systems: Provide insulated 6 AWG bonding jumpers to ground cable tray to column-mounted building ground plates (pads) at each end and approximately every 50 ft.

3.12 GROUND RESISTANCE

A. Grounding System Resistance: Maximum 5.0 ohms to ground. Make necessary modifications or additions to grounding electrode system for compliance at no additional cost to Government.

Perform tests to ensure requirement is met.

B. Measure grounding electrode system resistance using four-terminal fall-of-potential method according to IEEE 81. Make ground resistance measurements before electrical distribution system is energized in normally dry conditions minimum 48 hours after last rainfall. Make resistance measurements of separate grounding electrode systems before systems are bonded together below grade. Combined resistance of separate systems is acceptable to meet required resistance, but specified number of electrodes must still be provided.

C. Comply with utility company ground resistance requirements for services at utility company interface points.

D. RE/COR will inspect below-grade connections before backfilling. Notify RE/COR and AHJ SMCS

07A2 24 hours before connections are ready for inspection.

E. Provide Communications Circulating Ground System certification certificate, accomplished by an approved commercial certified grounding professional, which is additionally signed and stamped by the Project’s BICSI RCDD Certified design professional, to the RE/COR for inclusion in the project official documents after approved by AHJ SMCS 07A2.

3.13 GROUND ROD INSTALLATION

A. Drive each rod vertically into earth, minimum 10 feet deep.

B. Where permanently concealed ground connections are required, make connections by exothermic process to form solid metal joints. Make accessible ground connections with mechanical pressure type ground connectors.

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C. Where rock prevents driving vertical ground rods, install angled ground rods or grounding electrodes in horizontal trenches to achieve specified resistance.

3.14 GROUNDING FOR RF/EMI CONTROL

A. See DM Telecom, Paragraph 9.1. (d) for minimum requirements.

B. Install bonding jumpers to bond conduit, cable trays, sleeves and equipment for low voltage signaling and data communications circuits. Bonding jumpers consist of 4 inches wide copper strip or two 10 AWG copper conductors spaced minimum 4 inches apart. Provide 6 AWG copper where exposed and subject to damage.

C. Comply with the following when shielded cable is used for data circuits:

1. Shields to be continuous throughout each circuit.

2. Connect shield drain wires together at each circuit connection point and insulate from ground. Do not ground the shield.

3. Do not connect shields from different circuits together.

4. Connect shield only at one end. Connect shield to signal reference at circuit origin. Consult equipment manufacturer to determine signal reference.

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THIS PAGE INTENTIONALLY LEFT BLANK FOR DOUBLE SIDED PRINTING

CONDUITS AND BACKBOXES FOR COMMUNICATIONS SYSTEMS

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SECTION 27 05 33

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. New state-of-the-art fully functional conduits, fittings, and boxes to form complete, coordinated raceway system for FMS and OI&T communications cabling installed in VA’s

Great Lakes National Cemetery to regulate communication pathways to accommodate the facility’s entire TIP to buildings and building areas unless otherwise officially specified and shown of the drawings.

B. See Section 27 05 00, COMMON WORK RESULTS FOR COMMUNICATIONS for requirements governing work of this section.

1.2 RELATED REQUIREMENTS

A. Mounting Board for Communication Closets: Section 06 10 00, ROUGH CARPENTRY.

B. Sealing around penetrations to maintain integrity of fire rated construction: Section 07 84 00, FIRESTOPPING.

C. Fabrications for deflection of water away from building envelope at penetrations: Section

07 60 00, FLASHING AND SHEET METAL.

D. Sealing around conduit penetrations through building envelope to prevent moisture migration into building: Section 07 92 00, JOINT SEALANTS.

E. Identification and painting of conduit and other devices: Section 09 91 00, PAINTING.

F. General electrical requirements and items common to more than one Division 27 section: Section

27 05 00, COMMON WORK RESULTS FOR COMMUNICATIONS.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. National Electrical Manufactures Association (NEMA):

1. TC-3-15 - Polyvinyl Chloride (PVC) Fittings for Use with Rigid PVC Conduit and Tubing.

2. FB-1-14 - Fittings, Cast Metal Boxes and Conduit Bodies for Conduit, Electrical Metallic

Tubing (EMT) and Cable.

C. National Fire Protection Association (NFPA):

1. 70-17 - National Electrical Code (NEC).

D. UL LLC (UL):

1. 1-05 - Flexible Metal Conduit.

2. 5-16 - Surface Metal Raceway and Fittings.

3. 6-07 - Electrical Rigid Metal Conduit-Steel.

4. 50-15 - Electrical Equipment, Non-Environmental Considerations.

5. 360-13 - Liquid-Tight Flexible Steel Conduit.

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6. 467-13 - Grounding and Bonding Equipment.

7. 514A-13 - Metallic Outlet Boxes.

8. 514B-12 - Conduit, Tubing, and Cable Fittings.

9. 514C-14 - Nonmetallic Outlet Boxes, Flush-Device Boxes, and Covers.

10. 651-11 - Schedule 40, 80, Type EB and A Rigid PVC Conduit and Fittings.

11. 651A-11 - Schedule 40 and 80 High Density Polyethylene (HDPE) Conduit.

12. 797-07 - Electrical Metallic Tubing-Steel.

13. 1242-06 - Electrical Intermediate Metal Conduit-Steel.

E. United States Department of Veterans Affairs (VA):

1. VA Construction and Facilities Management (CFM):

a. DG OIT - Office of Information & Technology, 2011.

b. DM Electrical - Electrical Design Manual, 2015.

c. DM Telecom - Telecommunications & Special Telecommunications Systems Design

Manual, 2016.

d. PRSDM - Physical Resilience Security Design Manual for VA Life-Safety Protected

Facilities, 2016.

1.4 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

1.5 WARRANTY

2.1 PRODUCTS - GENERAL

A. Conduit Size: NFPA 70, but minimum 1/2 inch, unless otherwise shown on drawings. Where permitted by NFPA 70, 1-inch flexible conduit is acceptable for tap connections to recessed lighting fixtures.

B. Conduit:

1. Rigid galvanized steel: UL 6, ANSI C80.1.

2. Rigid aluminum: UL 6A, ANSI C80.5.

3. Rigid intermediate steel conduit (IMC): UL 1242, ANSI C80.6.

4. Electrical metallic tubing (EMT): UL 797, ANSI C80.3. Maximum 4 inch and only with cable rated maximum 600 Volts.

5. Flexible galvanized steel conduit: UL 1.

6. Liquid-tight flexible metal conduit: UL 360.

7. Direct burial plastic conduit: UL 651 and UL 651A, heavy wall PVC or high-density polyethylene (PE).

8. Surface metal raceway: UL 5.

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C. Conduit Fittings:

1. Rigid Steel and IMC Conduit Fittings: UL 514B and NEMA FB 1.

a. Standard Threaded Couplings, Locknuts, Bushings, and Elbows: Steel or malleable iron materials. Integral retractable type IMC couplings are also acceptable.

b. Locknuts: Bonding type with sharp edges for digging into metal wall of an enclosure.

c. Bushings: Metallic insulating type, with insulating insert molded or locked into fitting metallic body. Metal or nonmetallic bushing materials are not acceptable.

d. Erickson (Union-Type) and Set Screw Type Couplings: Approved for use in concrete to complete conduit run. Provide case-hardened steel set screws with hex head and cup point to firmly seat in conduit wall for positive ground. Do not tighten set screws with pliers.

e. Sealing Fittings: Threaded cast iron type. Provide continuous drain type sealing fittings to prevent passage of water vapor. In concealed work, install fittings in flush steel boxes with blank cover plates in finish to match other electrical plates in same room.

2. Rigid Aluminum Conduit Fittings:

a. Standard Threaded Couplings, Locknuts, Bushings, and Elbows: Malleable iron, steel or aluminum alloy materials, zinc or cadmium plate iron or steel fittings. Maximum 0.4 percent copper permitted in aluminum fittings.

b. Locknuts and Bushings: As specified for rigid steel and IMC conduit.

c. Set Screw Fittings: Not acceptable for use with aluminum conduit.

3. Electrical Metallic Tubing Fittings: UL 514B and NEMA FB-1, steel or malleable iron materials.

a. Couplings and Connectors: Concrete tight and rain tight, with insulated throats connectors.

1) Provide gland and ring compression type couplings and connectors for conduit sizes 2 inches and smaller.

2) Provide set screw type couplings with four set screws each for conduit sizes over

2 inches.

3) Provide case-hardened steel set screws with hex head and cup point to firmly seat in wall of conduit for positive grounding.

b. Do not use indent type connectors or couplings.

c. Do not use die-cast or pressure-cast zinc-alloy fittings or "pot metal" fittings.

4. Flexible Steel Conduit Fittings:

a. Comply with UL 514B, steel or malleable iron materials.

b. Clamp type, with insulated throat.

5. Liquid-tight flexible metal conduit fittings: UL 514B and NEMA FB-1, steel or malleable iron materials.

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a. Provide fittings with threaded grounding cone, steel or plastic compression ring, and gland for tightening. Connectors to have insulated throats.

6. Direct Burial Plastic Conduit Fittings:

a. Fittings: UL 514C and NEMA TC-3.

b. As recommended by conduit manufacturer.

7. Surface Metal Raceway Fittings: As recommended by raceway manufacturer.

8. Expansion and Deflection Couplings:

a. Comply with UL 467 and UL 514B.

b. Allowable Deflection, Expansion, or Contraction in Any Direction: 0.75 inch.

c. Allowable Angular Deflection: 30 degrees.

d. Include internal flexible metal braid sized to guarantee conduit ground continuity and fault currents according to UL 467 and NFPA 70 tables for ground conductors.

e. Jacket: Flexible, corrosion-resistant, watertight, moisture and heat resistant molded rubber material with stainless steel jacket clamps.

D. Conduit Supports:

1. Parts and Hardware: Zinc-coat or equivalent corrosion protection.

2. Individual Conduit Hangers: To suit application, with pre-assembled closure bolt and nut and provisions for receiving hanger rod.

3. Multiple Conduit (Trapeze) Hangers: Minimum 1-1/2 by 1-1/2 inch, 0.11-inch thick steel, cold formed, lipped channels; with minimum 3/8-inch diameter steel hanger rods.

4. Solid Masonry and Concrete Anchors: Self-drilling expansion shields, or machine bolt expansion.

E. Outlet, Junction, and Pull Boxes: UL 50 and UL 514A.

1. Cast metal where required by NFPA 70 or shown on drawings, and equipped with rustproof boxes.

2. Sheet Metal Boxes: Galvanized steel, except as otherwise shown on drawings.

3. Install flush mounted wall or ceiling boxes with raised covers so that front face of raised cover is flush with adjacent finish surface. Install surface mounted wall or ceiling boxes with surface style flat or raised covers.

F. Wireways: Equip with hinged covers, except where removable covers are shown on drawings.

G. Warning Tape: Standard, 4 mil thick, polyethylene 3 inch wide non-detectable type tape, red with black letters, and imprinted “CAUTION BURIED COMMUNICATIONS CABLE BELOW”.

3.1 INSTALLATION - GENERAL

A. Install conduit as follows:

1. In complete runs before pulling in cables or wires.

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2. Flattened, dented, or deformed conduit is not acceptable. Remove and replace damaged conduits with new undamaged material.

3. Ensure conduit installation does not encroach into ceiling height head room, walkways, or doorways.

4. Cut square with hacksaw, ream, remove burrs, and draw up tight.

5. Mechanically continuous.

6. Independently support conduit at 8 feet on center. Supports such as suspended ceilings, suspended ceiling supporting members, lighting fixtures, conduits, mechanical piping, or mechanical ducts are not acceptable.

7. Support within 1 foot of changes of direction, and within 1 foot of each enclosure to which connected.

8. Close ends of empty conduit with plugs or caps at rough-in stage to prevent entry of debris, until wires are pulled in.

9. Secure conduits to cabinets, junction boxes, pull boxes and outlet boxes with bonding type locknuts. For rigid and IMC conduit installations, provide locknut inside enclosure, made up wrench tight. Do not make conduit connections to junction box covers.

10. Flashing of roofing membrane penetrations is specified in Section 07 60 00, FLASHING

AND SHEET METAL.

11. Aluminum conduits in wet locations are not acceptable.

12. Unless otherwise indicated on drawings or specified, install conduits concealed within finished walls, floors and ceilings.

B. Conduit Bends:

1. Make bends with standard conduit bending machines.

2. Conduit hickey is acceptable for slight offsets, and for straightening stubbed out conduits.

3. Bending of conduits with pipe tee or vise is not acceptable.

C. Layout and Homeruns:

1. Install conduit with wiring, including homeruns, as shown on drawings.

2. Deviations: Make only where necessary to avoid interferences and only after drawings showing proposed deviations have been submitted to and approved by Resident

Engineer/Contracting Officer's Representative (RE/COR).

D. Fire Alarm:

1. Paint fire alarm conduit red (red “top-coated” conduit from conduit manufacturer is acceptable in lieu of painted conduit) as specified in Section 28 31 00, FIRE DETECTION

AND ALARM.

3.2 CONCEALED WORK INSTALLATION

A. In Concrete:

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1. Conduit: Rigid steel, IMC or EMT. Do not install EMT in concrete slabs in contact with soil, gravel or vapor barriers.

2. Align and run conduit in direct lines.

3. Install conduit through concrete beams only when the following occurs:

a. Where shown on structural drawings.

b. Approved by RE/COR before construction and after submission of drawing showing location, size, and position of each penetration.

4. Do not install conduit in concrete less than 3 inches thick.

a. Conduit outside diameter larger than 1/3 of slab thickness is prohibited.

b. Space between Conduits in Slabs: Approximately six conduit diameters apart, except one conduit diameter at conduit crossings.

c. Install conduits approximately in center of slab so there will be minimum 3/4 inch of concrete around conduits.

5. Install couplings and connections watertight. Provide UL approved conductive type thread compounds to ensure low resistance ground continuity through conduits. Do not tighten set screws with pliers.

B. In Furred or Suspended Ceilings and Walls:

1. Conduit for conductors above 600 Volts:

a. Rigid steel or rigid aluminum.

b. Aluminum conduit mixed indiscriminately with other types in same system is not acceptable.

2. Conduit for conductors 600 Volts and below:

a. Rigid steel, IMC, rigid aluminum, or EMT. Different type conduits mixed indiscriminately in same system is not acceptable.

3. Align and run conduit parallel or perpendicular to building lines.

4. Connect recessed lighting fixtures to conduit runs with maximum 6 feet of flexible metal conduit extending from junction box to fixture.

5. Do not tighten set screws with pliers.

3.3 EXPOSED WORK INSTALLATION

A. Unless otherwise indicated on drawings, exposed conduit is only permitted in mechanical and electrical rooms.

B. Conduit for Conductors above 600 Volts:

1. Rigid steel or rigid aluminum.

2. Aluminum conduit mixed indiscriminately with other types in same system is not acceptable.

C. Conduit for Conductors 600 Volts and below:

1. Rigid steel, IMC, rigid aluminum, or EMT. Different type of conduits mixed indiscriminately in system is not acceptable.

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D. Align and run conduit parallel or perpendicular to building lines.

E. Install horizontal runs close to ceiling or beams and secure with conduit straps.

F. Support horizontal or vertical runs at maximum 8-foot intervals.

G. Surface metal raceways: Provide only where shown on drawings.

H. Painting:

1. Paint exposed conduit as specified in Section 09 91 00, PAINTING.

2. Paint conduits containing cables rated over 600 Volts safety orange. Refer to Section

09 91 00, PAINTING for preparation, paint type, and exact color. Paint legends with 2-inch high black numerals and letters, showing cable Voltage rating. Provide legends where conduits pass through walls and floors and at maximum 20-foot intervals in between.

3.4 EXPANSION JOINTS

A. Provide expansion and deflection couplings for conduits 3 inches and larger, secured to building structure on opposite sides of building expansion joint. Install couplings according to manufacturer's instructions.

B. Provide conduits smaller than 3 inches with junction boxes on both sides of expansion joint.

Connect conduits to junction boxes with sufficient flexible conduit slack to produce 5-inch vertical drop midway between ends. Install copper green ground bonding jumper at flexible conduit.

Expansion and deflection couplings as specified above for 15 inches and larger conduits are also acceptable.

C. Install expansion and deflection couplings where shown on Drawings.

3.5 CONDUIT SUPPORT INSTALLATION

A. Safe Working Load: Maximum 1/4 of fastening devices proof test load.

B. Provide pipe straps or individual conduit hangers to support individual conduits with 8 foot on center maximum distance between supports.

C. Support multiple conduit runs with trapeze hangers. Provide trapeze hangers designed to support load equal to or greater than sum of conduit weights, wires, hanger itself, and 200 lbs. Attach each conduit with U-bolts or other approved fasteners.

D. Support conduit independently of junction boxes, pull boxes, fixtures, suspended ceiling T-bars, angle supports, and similar items.

E. Fasteners and Supports in Solid Masonry and Concrete:

1. New Construction: Steel or malleable iron concrete inserts set in place before concrete placement.

2. Existing Construction:

a. Steel expansion anchors minimum 1/4-inch bolt size and minimum 1-1/8-inch embedment.

b. Power set fasteners minimum 1/4-inch diameter with depth of penetration minimum

3 inches.

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c. Provide vibration and shock resistant anchors and fasteners for attaching to concrete ceilings.

F. Hollow Masonry: Toggle bolts are permitted.

G. Bolts supported only by plaster or gypsum wallboard are not acceptable.

H. Metal Structures: Provide machine screw fasteners or other devices, designed and approved for application.

I. Attachment by wood plugs, rawl plug, plastic, lead or soft metal anchors, or wood blocking and bolts supported only by plaster is not acceptable.

J. Chain, wire, or perforated strap to support or fasten conduit is not acceptable.

K. Spring steel type supports or fasteners are not acceptable except as horizontal and vertical supports/fasteners within walls.

L. Vertical Supports: Provide riser clamps and supports at vertical conduit runs according to

NFPA 70 and as shown on drawings. Provide cable and wire supports with fittings that include internal wedges and retaining collars.

3.6 BOX INSTALLATION

A. Boxes for Concealed Conduits:

1. Flush mounted.

2. Provide raised covers for boxes to suit wall or ceiling, construction and finish.

B. In addition to boxes shown on drawings, install additional boxes where required to prevent damage to cables and wires during pulling in operations.

C. Remove knockouts only as required and plug unused openings. Provide threaded plugs for cast metal boxes and snap-in metal covers for sheet metal boxes.

D. Back-to-back outlet boxes in same wall are not acceptable. Maintain minimum 24 inches, center-to-center lateral spacing between boxes.

E. Minimum outlet box for ground fault interrupter (GFI) receptacles: 4 inches square by 2-1/8 inches deep, with device covers coordinated with wall material and thickness.

F. Stencil or install phenolic nameplates on box covers identified on riser diagrams; for example, "SIG-FA JB No. 1".

G. Identify circuits on branch circuit junction box covers with black marker.

3.7 COMMUNICATION AND ELECTRONIC SAFETY AND SECURITY SYSTEM CONDUIT

A. Install communication raceway system as shown on drawings.

B. Minimum Conduit Size: 3/4 inch, but minimum size shown on drawings.

C. Equip conduit ends with insulated bushings.

D. Provide pull boxes after every two 90-degree bends at 4-inch conduits within buildings. Size boxes according to NFPA 70.

E. Terminate vertical conduits/sleeves through closet floors minimum 3 inches below floor and minimum 3 inches below ceiling of floor below.

27 05 33 - 9

F. Terminate conduit runs to and from closet backboard or interstitial space at top or bottom of backboard. Conduits to enter communication closets next to wall and be flush with backboard.

G. Where drilling is required for vertical conduits, locate holes where approved in structural sections, such as ribs or beams.

H. Seal empty conduits located in communication closets or on backboards with standard non-hardening duct seal compound to prevent moisture and gas entry and to meet fire resistance requirements.

I. Maximum four quarter turns (90-degree bends) are permitted in conduit runs between pull boxes/backboards. Minimum communication conduit bend radius as follows (special long radius):

Sizes of Conduit

Trade Size

Radius of Conduit Bends, Inches

3/4 6

1 9

1-1/4 14

1-1/2 17

2 21

2-1/2 25

3 31

3-1/2 36

4 45

J. Provide 3/4-inch thick fire retardant treated plywood specified in Section 06 10 00, ROUGH

CARPENTRY on communication closet walls where shown on drawings. Install plywood with bottom edge 1 foot above finished floor.

K. Provide and pull wire in empty conduits, except through floor sleeves.

3.8 FIRESTOPPING

A. Firestopping: Where conduits, wireways, and other communications and electronic safety and security raceways pass through fire partitions, fire walls, smoke partitions, or floors, install fire stop that provides an effective barrier against spread of fire, smoke and gases as specified in

Section 07 84 00, FIRESTOPPING, with only rock wool fiber or silicone foam sealant. Completely fill and seal clearances between raceways and openings with fire stop material.

3.9 WATERPROOFING

A. Waterproofing: At floor, exterior wall, and roof conduit penetrations, completely seal clearances around conduit and make watertight as specified in Section 07 92 00, JOINT SEALANTS.

3.10 CLEANING

A. Remove and legally dispose of debris and excess material from project site.

27 05 33 - 10

COMMISSIONING OF ELECTRONIC SAFETY AND SECURITY SYSTEMS

28 08 00 - 1

SECTION 28 08 00

1.1 DESCRIPTION

A. The requirements of this section apply to all sections of Division 28.

B. This project will have selected building systems commissioned. The complete list of equipment and systems to be commissioned is specified in Section 01 91 00 GENERAL COMMISSIONING

REQUIREMENTS. The commissioning process, which the Contractor is responsible to execute, is defined in Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS. A

Commissioning Agent (CxA) appointed by NCA will manage the commissioning process.

1.2 RELATED WORK

A. Section 01 00 01 GENERAL REQUIREMENTS.

B. Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS.

C. Section 01 33 23 SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

1.3 SUMMARY

A. This section includes requirements for commissioning the Facility electronic safety and security systems, related subsystems and related equipment. This section supplements the general requirements specified in Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS.

B. Refer to Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS for more details regarding processes and procedures as well as roles and responsibilities for all Commissioning

Team members.

1.4 DEFINITIONS

A. Refer to Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS for definitions.

1.5 COMMISSIONED SYSTEMS

A. Commissioning of a system or systems specified in Division 28 is part of the construction process. Documentation and testing of these systems, as well as training of the VA’s operation and maintenance personnel in accordance with the requirements of Section 01 91 00 GENERAL

COMMISSIONING REQUIREMENTS and of Division 28, is required in cooperation with the VA and the Commissioning Agent.

B. The Facility Electronic Safety and Security systems commissioning will include the systems listed in Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS.

1.6 SUBMITTALS

A. The commissioning process requires review of selected submittals that pertain to the systems to be commissioned. The Commissioning Agent will provide a list of submittals that will be reviewed by the Commissioning Agent. This list will be reviewed and approved by the VA prior to forwarding to the Contractor. Refer to Section 01 33 23 SHOP DRAWINGS, PRODUCT DATA, and SAMPLES for further details.

28 08 00 - 2

B. The commissioning process requires submittal review simultaneously with engineering review.

Specific submittal requirements related to the commissioning process are specified in Section 01

91 00 GENERAL COMMISSIONING REQUIREMENTS.

PART 2 - PRODUCTS (NOT USED)

3.1 CONSTRUCTION INSPECTIONS

A. Commissioning of Electronic Safety and Security systems will require inspection of individual elements of the electronic safety and security systems throughout the construction period. The

Contractor shall coordinate with the Commissioning Agent in accordance with Section 01 91 00

GENERAL COMMISSIONING REQUIREMENTS and the commissioning plan to schedule electronic safety and security systems inspections as required to support the commissioning process.

3.2 PRE-FUNCTIONAL CHECKLISTS

A. The Contractor shall complete Pre-Functional Checklists to verify systems, subsystems, and equipment installation is complete and systems are ready for Systems Functional Performance

Testing. The Commissioning Agent will prepare Pre-Functional Checklists to be used to document equipment installation. The Contractor shall complete the checklists. Completed checklists shall be submitted to the VA and to the Commissioning Agent for review. The

Commissioning Agent may spot check a sample of completed checklists. If the Commissioning

Agent determines that the information provided on the checklist is not accurate, the

Commissioning Agent will return the marked-up checklist to the Contractor for correction and resubmission. If the Commissioning Agent determines that a significant number of completed checklists for similar equipment are not accurate, the Commissioning Agent will select a broader sample of checklists for review. If the Commissioning Agent determines that a significant number of the broader sample of checklists is also inaccurate, all the checklists for the type of equipment will be returned to the Contractor for correction and resubmission. Refer to Section 01 91 00

GENERAL COMMISSIONING REQUIREMENTS for submittal requirements for Pre-Functional

Checklists, Equipment Startup Reports, and other commissioning documents.

3.3 CONTRACTORS TESTS

A. Contractor tests as required by other sections of Division 28 shall be scheduled and documented in accordance with Section 01 00 01 GENERAL REQUIREMENTS. All testing shall be incorporated into the project schedule. Contractor shall provide no less than 7 calendar-days’ notice of testing. The Commissioning Agent will witness selected Contractor tests at the sole discretion of the Commissioning Agent. Contractor tests shall be completed prior to scheduling

Systems Functional Performance Testing.

28 08 00 - 3

3.4 SYSTEMS FUNCTIONAL PERFORMANCE TESTING

A. The Commissioning Process includes Systems Functional Performance Testing that is intended to test systems functional performance under steady-state conditions, to test system reaction to changes in operating conditions, and system performance under emergency conditions. The

Commissioning Agent will prepare detailed Systems Functional Performance Test procedures for review and approval by the Resident Engineer/Contracting Officer’s Representative (RE/COR).

The Contractor shall review and comment on the tests prior to approval. The Contractor shall provide the required labor, materials, and test equipment identified in the test procedure to perform the tests. The Commissioning Agent will witness and document the testing. The

Contractor shall sign the test reports to verify tests were performed. See Section 01 91 00

GENERAL COMMISSIONING REQUIREMENTS for additional details.

3.5 TRAINING OF VA PERSONNEL

A. Training of the VA operation and maintenance personnel is required in cooperation with the

RE/COR and Commissioning Agent. Provide competent, factory authorized personnel to provide instruction to operation and maintenance personnel concerning the location, operation, and troubleshooting of the installed systems. Contractor shall submit training agendas and trainer resumes in accordance with the requirements of Section 01 91 00 GENERAL COMMISSIONING

REQUIREMENTS. The instruction shall be scheduled in coordination with the RE/COR after submission and approval of formal training plans. Refer to Section 01 91 00 GENERAL

COMMISSIONING REQUIREMENTS and Division 28 Sections for additional Contractor training requirements.

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ACCESS CONTROL

28 10 00 - 1

SECTION 28 10 00

A. Section Includes:

1. New state-of-the-art fully functioning physical access and control system (PACS) installed in

VA’s National Cemetery (NCA) Great Lakes to regulate access to restricted buildings.

2. Door position sensors reporting to intrusion detection system, only when PACS is not managed by host facility.

1.2 RELATED REQUIREMENTS

A. Firestopping: Section 07 84 00, FIRESTOPPING.

B. Penetration Sealants: Section 07 92 00, JOINT SEALANTS.

C. Door Position Sensor Preparation: Section 08 11 13, HOLLOW METAL DOORS AND FRAMES and Section 08 14 00, INTERIOR WOOD DOORS.

D. Electric Locks and Strikes: Section 08 71 00, DOOR HARDWARE.

E. Electrical Power Wiring: Section 26 05 11, REQUIREMENTS FOR ELECTRICAL

INSTALLATIONS.

F. Electrical Power System Grounding: Section 26 05 26, GROUNDING AND BONDING FOR

ELECTRICAL SYSTEMS.

G. Electrical Power System: Section 26 05 33, RACEWAYS AND BOXES FOR ELECTRICAL

SYSTEMS and Section 26 27 26, WIRING DEVICES.

H. Perimeter Lighting: Section 26 56 00, EXTERIOR LIGHTING.

I. Communications General Requirements: Section 27 05 00, COMMON WORK RESULTS FOR

COMMUNICATIONS.

J. Communications System: Section 27 05 26, GROUNDING AND BONDING FOR

COMMUNICATIONS SYSTEMS, Section 27 05 33, CONDUITS AND BACKBOXES FOR

COMMUNICATIONS SYSTEMS

K. Weapons Storage Surveillance: Section 28 20 00, VIDEO SURVEILLANCE.

L. Alarm Systems: Section 28 31 00, INTRUSION DETECTION.

O. Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS.

P. Section 28 08 00 COMMISSIONING OF ELECTRONIC SAFETY AND SECURITY SYSTEMS.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. American National Standards Institute/Security Industry Association (ANSI/SIA):

1. AC-01-1996.10 - Access Control Standard Protocol for the 26-bit Wiegand TM Reader

Interface.

28 10 00 - 2

2. AC-03-2000.06 - Access Control Guideline Dye Sublimation Printing Practices for PVC

Access Control Cards.

C. Federal Information Processing Standards (FIPS):

1. FIPS 201-2 - Personal Identity Verification (PIV) of Federal Employees and Contractors.

D. Government Accountability Office (GAO):

1. 03-8-02 - Security Responsibilities for Federally Owned and Leased Facilities.

E. Government Services Administration (GSA):

1. APL - PACS Approved Products List.

F. International Organization for Standardization/Independent Electrical Contractors (ISO/IEC):

1. 7810-03 - Identification Cards - Physical Characteristics.

2. 7811 - Identification cards - Integrated circuit cards - Part 3: Cards with contacts - Electrical interface and transmission protocols.

3. 7816 - Identification cards - Integrated circuit cards, most current date for each part.

4. 14443 - RFID cards; Contactless Proximity Cards Operating at 13.56 MHz in up to 5 Inches

Distance, most current date for each part.

5. 15693 - RFID cards; Contactless Vicinity Cards Operating at 13.56 MHz in up to 50 Inches

Distance, most current date for each part.

G. National Electrical Manufactures Association (NEMA):

1. 250-14 - Enclosures for Electrical Equipment (1000 Volts Maximum).

H. National Fire Protection Association (NFPA):

1. 70-14 - National Electrical Code.

I. National Institute of Standards and Technology (NIST):

1. IR 6887 V2.1 - Government Smart Card Interoperability Specification.

2. Special Pub 800-96 - PIV Card Reader Interoperability Guidelines.

J. Master Painters Institute (MPI):

1. No. 18 - Primer, Zinc Rich, Organic.

K. Telecommunications Industry Association(TIA):

1. 232-F - Interface Between Data Terminal Equipment and Data Circuit-Terminating

Equipment Employing Serial Binary Data Interchange.

2. 485-A - Electrical Characteristics of Generators and Receivers for Use in Balanced Digital

Multipoint Systems.

L. UL LLC (UL):

1. Listed - Online Certifications Directory.

2. 294-13 - Access Control System Units.

3. 827-14 - Central Station Alarm Services.

4. 1076-95 - Proprietary Burglar Alarm Units and Systems.

5. 1981-14 - Central Station Automation System.

https://en.wikipedia.org/wiki/Telecommunications_Industry_Association

28 10 00 - 3

M. United States Access Board (USAB):

1. ABA - Architectural Barriers Act Accessibility Standards.

N. United States Department of Homeland Security (HLS):

1. HSPD 12-04 - Policy for a Common Identification Standard for Federal Employees and

Contractors.

O. United States Department of Veterans Affairs (VA):

1. VA Construction and Facilities Management (CFM):

a. DG OIT - Office of Information & Technology, 2011.

b. DM Electrical - Electrical Design Manual, 2015.

c. DM Telecom - Telecommunications & Special Telecommunications Systems Design

Manual, 2016.

d. PSDM - Physical Security Design Manual for VA Life-Safety Protected Facilities.

2. VA Office of Security and Law Enforcement (SLA):

a. Directive 0730-12 - Security and Law Enforcement.

b. VA Office of Information and Technology (OI&T):

1) Handbook 6100-10 - Telecommunications: Cyber and Information Security Office of Cyber and Information Security.

2) Handbook 6330-93 - Directives Management Procedures.

3) Handbook 6500-15 - Risk Management Framework for VA Information Systems -

Tier 3: VA Information Security Program.

1.4 PREINSTALLATION MEETINGS

A. Conduct preinstallation meeting at project site minimum 30 days before beginning Work of this section.

1. Required Participants:

a. Resident Engineer/Contracting Officer's Representative (RE/COR).

b. VA AHJ SMCS 07A2, for special communications systems.

c. Inspection and Testing Agency.

d. Contractor.

e. Installer.

f. Field representative.

g. Other installers responsible for adjacent and intersecting work, including electrical installer.

2. Meeting Agenda: Distribute agenda to participants minimum 3 days before meeting.

a. Installation schedule.

b. Installation sequence.

c. Preparatory work.

d. Protection before, during, and after installation.

28 10 00 - 4

e. Installation.

f. Terminations.

g. Transitions and connections to other work.

h. Inspecting and testing.

i. Other items affecting successful completion.

3. Document and distribute meeting minutes to participants to record decisions affecting installation.

1.5 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

1. Submittal Drawings and as-built Drawings: Four sets paper format Architectural F size. Two sets electronic format.

B. Submittal Drawings:

1. Show size, configuration, and fabrication and installation details.

2. Cover…