270511 COMMUNICATIONS INSTALLATIONS.docx

06-01-15

SECTION 27 05 11

REQUIREMENTS FOR COMMUNICATIONS INSTALLATIONS

GENERAL

DESCRIPTION

This section includes common requirements to communications installations and applies to all sections of Division 27.

Provide completely functioning communications systems.

Comply with VAAR 852.236.91 and FAR clause 52.236-21 in circumstance of a need for additional detail or conflict between drawings, specifications, reference standards or code.

references Definitions:

Access Floor: Pathway system of removable floor panels supported on adjustable pedestals to allow cable placement in area below.

BNC Connector (BNC): United States Military Standard MIL-C-39012/21 bayonet-type coaxial connector with quick twist mating/unmating, and two lugs preventing accidental disconnection from pulling forces on cable.

Bond: Permanent joining of metallic parts to form an electrically conductive path to ensure electrical continuity and capacity to safely conduct any currents likely to be imposed to earth ground.

Bundled Microducts: All forms of jacketed microducts.

Conduit: Includes all raceway types specified.

Conveniently Accessible: Capable of being reached without use of ladders, or without climbing or crawling under or over obstacles such as, motors, pumps, belt guards, transformers, piping, ductwork, conduit and raceways.

Distributed (in house) Antenna System (DAS): An Emergency Radio Communications System installed for Emergency Responder (or first responders and Government personnel) use while inside facility to maintain contact with each respective control point; refer to Section 27 53 19, DISTRIBUTED RADIO ANTENNA (WITHIN BUILDING) EQUIPMENT AND SYSTEMS.

DEMARC, Extended DMARC or ENTR: Service provider's main point of demarcation owned by LEC or service provider and establishes a physical point where service provider's responsibilities for service and maintenance end. This point is called NID, in data networks.

Effectively Grounded: Intentionally bonded to earth through connections of low impedance having current carrying capacity to prevent buildup of currents and voltages resulting in hazard to equipment or persons.

Electrical Supervision: Analyzing a system’s function and components (i.e. cable breaks / shorts, inoperative stations, lights, LEDs and states of change, from primary to backup) on a 24/7/365 basis; provide aural and visual emergency notification signals to minimum two remote designated or accepted monitoring stations.

Electrostatic Interference (ESI) or Electrostatic Discharge Interference: Refer to EMI and RFI.

Emergency Call Systems: Wall units (in parking garages and stairwells) and pedestal mounts (in parking lots) typically provided with a strobe, camera and two-way audio communication functions. Project 25 (2014) (P25 (TIA-102 Series)): Set of standards for local, state and Federal public safety organizations and agencies digital LMR services. P25 is applicable to LMR equipment authorized or licensed under the US Department of Commerce National Telecommunications and Information Administration or FCC rules and regulations, and is a required standard capability for all LMR equipment and systems.

Grounding Electrode Conductor: (GEC) Conductor connected to earth grounding electrode.

Grounding Electrode System: Electrodes through which an effective connection to earth is established, including supplementary, communications system grounding electrodes and GEC.

Grounding Equalizer or Backbone Bonding Conductor (BBC): Conductor that interconnects elements of telecommunications grounding infrastructure.

Head End (HE): Equipment, hardware and software, or a master facility at originating point in a communications system designed for centralized communications control, signal processing, and distribution that acts as a common point of connection between equipment and devices connected to a network of interconnected equipment, possessing greatest authority for allowing information to be exchanged, with whom other equipment is subordinate.

Microducts: All forms of air blown fiber pathways.

Ohm: A unit of restive measurement.

Received Signal Strength Indication (RSSI): A measurement of power present in a received RF signal.

Service Provider Demarcation Point (SPDP): Not owned by LEC or service provider, but designated by Government as point within facility considered the DEMARC.

Sound (SND): Changing air pressure to audible signals over given time span.

System: Specific hardware, firmware, and software, functioning together as a unit, performing task for which it was designed.

Telecommunications Bonding Backbone (TBB): Conductors of appropriate size (minimum 53.49 mm2 [1/0 AWG]) stranded copper wire, that connect to Grounding Electrode System and route to telecommunications main grounding busbar (TMGB) and circulate to interconnect various TGBs and other locations shown on drawings.

Voice over Internet Protocol (VoIP): A telephone system in which voice signals are converted to packets and transmitted over LAN network using Transmission Control Protocol (TCP)/Internet Protocol (IP). VA’S VoIP is not listed or coded for life and public safety, critical, emergency or other protection functions. When VoIP system or equipment is provided instead of PBX system or equipment, each TR (STR) and DEMARC requires increased AC power provided to compensate for loss of PBX’s telephone instrument line power; and, to compensate for absence of PBX’s UPS capability.

Wide Area Network (WAN): A digital network that transcends localized LANs within a given geographic location. VA’S WAN/LAN is not nationally listed or coded for life and public safety, critical, emergency or other safety functions.

APPLICABLE PUBLICATIONS

Applicability of Standards: Unless documents include more stringent requirements, applicable construction industry standards have same force and effect as if bound or copied directly into the documents to extent referenced. Such standards are made a part of these documents by reference.

Each entity engaged in construction must be familiar with industry standards applicable to its construction activity.

Obtain standards directly from publication source, where copies of standards are needed to perform a required construction activity.

Government Codes, Standards and Executive Orders: Refer to http://www.cfm.va.gov/TIL/cPro.asp:

Federal Communications Commission, (FCC) CFR, Title 47:

US Department of Commerce/National Institute of Standards Technology,(NIST):

US Department of Defense, (DoD):

US Department of Health and Human Services:

The Health Insurance Portability and Accountability Act of 1996 (HIPAA) Privacy, Security and Breach Notification Rules US Department of Justice:

2010 Americans with Disabilities Act Standards for Accessible Design (ADAAD).

US Department of Labor, (DoL) - Public Law 426-62 – CFR, Title 29, Part 1910, Chapter XVII - Occupational Safety and Health Administration (OSHA), Occupational Safety and Health Standards):

US Department of Transportation, (DoT):

Public Law 85-625, CFR, Title 49, Part 1, Subpart C – Federal Aviation Administration (FAA):AC 110/460-ID & AC 707 / 460-2E – Advisory Circulars Standards for Construction of Antenna Towers, and 7450 and 7460-2 – Antenna Construction Registration Forms.

US Department of Veterans Affairs (VA): Office of Telecommunications (OI&T), MP-6, PART VIII, TELECOMMUNICATIONS, CHAPTER 5, AUDIO, RADIO AND TELEVISION (and COMSEC) COMMUNICATIONS SYSTEMS: Spectrum Management and COMSEC Service (SMCS), AHJ for:

CoG, “Continuance of Government” communications guidelines and compliance.

COMSEC,“VA wide coordination and control of security classified communication assets.”

COOP, “Continuance of Operations” emergency communications guidelines and compliance.

FAA, FCC, and US Department of Commerce National Telecommunications and Information Administration, “VA wide RF Co-ordination, Compliance and Licensing.”

Handbook 6100 – Telecommunications: Cyber and Information Security Office of Cyber and Information Security, and Handbook 6500 – Information Security Program.

Low Voltage Special Communications Systems “Design, Engineering, Construction Contract Specifications and Drawings Conformity, Proof of Performance Testing, VA Compliance and Life Safety Certifications for CFM and VA Facility Low Voltage Special Communications Projects (except Fire Alarm, Telephone and Data Systems).”

SATCOM, “Satellite Communications” guidelines and compliance, and Security and Law Enforcement Systems – “Coordinates the Design, Engineering, Construction Contract Specifications and Drawings Conformity, Proof of Performance Testing, VA Compliance, DEA and Public Safety Certification(s) for CFM and VA Facility Security Low Voltage Special Communications and Physical Security Projects.

VHA’s National Center for Patient Safety – Veterans Health Administration (VHA) Warning System, Failure of Medical Alarm Systems using Paging Technology to Notify Clinical Staff, July 2004.

VA’s CEOSH, concurrence with warning identified in VA Directive 7700.

Wireless and Handheld Devices, “Guidelines and Compliance,” Office of Security and Law Enforcement: VA Directive 0730 and Health Special Presidential Directive (HSPD)-12.

NRTL Standards: Refer to https://www.osha.gov/dts/otpca/nrtl/index.html Canadian Standards Association (CSA); same tests as presented by UL Communications Certifications Laboratory (CEL); same tests as presented by UL.

Intertek Testing Services NA, Inc., (ITSNA), formerly Edison Testing Laboratory (ETL) same tests as presented by UL).

Underwriters Laboratory (UL):

497/497A/497B/497C

Industry Standards:

Advanced Television Systems Committee (ATSC):

American Institute of Architects (AIA): 2006 Guidelines for Design & Construction of Health Care Facilities.

American Society of Mechanical Engineers (ASME):

American Society for Testing and Materials (ASTM):

American Telephone and Telegraph Corporation (AT&T) - Obtain following AT&T Publications at https://ebiznet.sbc.com/SBCNEBS/):

British Standards Institution (BSI):

BS EN 50109-2 Hand Crimping Tools - Tools for The Crimp Termination of Electric Cables and Wires for Low Frequency and Radio Frequency Applications – All Parts & Sections. October 1997 Building Industry Consulting Service International(BICSI):

ANSI/NECA/BICSI

Electronic Components Assemblies and Materials Association,(ECA).

ECA EIA/RS-270 (1973)Tools, Crimping, Solderless Wiring Devices – Recommended Procedures for User Certification EIA/ECA 310-E (2005) Cabinets, and Associated Equipment Facility Guidelines Institute: 2010 Guidelines for Design and Construction of Health Care Facilities.

Insulated Cable Engineers Association (ICEA):

ANSI/ICEA

S-80-576-2002 Category 1 & 2 Individually Unshielded Twisted-Pair Indoor Cables for Use in Communications Wiring Systems

ANSI/ICEA

S-84-608-2010 Telecommunications Cable, Filled Polyolefin Insulated Copper Conductor, S-87-640(2011) Optical Fiber Outside Plant Communications Cable

ANSI/ICEA

ICEA S-102-700

(2004) Category 6 Individually Unshielded Twisted Pair Indoor Cables (With or Without an Overall Shield) for use in Communications Wiring Systems Technical Requirements Institute of Electrical and Electronics Engineers (IEEE):

C62.41.2-2002/

International Code Council:

AC193 (2014) Mechanical Anchors in Concrete Elements International Organization for Standardization (ISO):

ISO/TR 21730 (2007) Use of Mobile Wireless Communication and Computing Technology in Healthcare Facilities - Recommendations for Electromagnetic Compatibility (Management of Unintentional Electromagnetic Interference) with Medical Devices National Electrical Manufacturers Association (NEMA):

ANSI/NEMA FB 1 (2012)Fittings, Cast Metal Boxes and Conduit Bodies for Conduit, Electrical Metallic Tubing EMT) and Cable ANSI/NEMA OS 1 (2009)Sheet-Steel Outlet Boxes, Device Boxes, Covers, and Box Supports

National Fire Protection Association (NFPA):

Society for Protective Coatings (SSPC):

SSPC SP 6/NACE No.3 (2007) Commercial Blast Cleaning Society of Cable Telecommunications Engineers (SCTE):

ANSI/SCTE 15 2006 Specification for Trunk, Feeder and Distribution Coaxial Cable Telecommunications Industry Association (TIA):

SINGULAR NUMBER

Where any device or part of equipment is referred in singular number (such as " rack"), reference applies to as many such devices as are required to complete installation.

Related Work Specification Order of Precedence: FAR Clause 52.236-21, VAAR Clause 852.236-71.

Closures of openings in walls, floors, and roof decks against penetration of flame, heat, and smoke or gases in fire resistant rated construction: Section 07 84 00, FIRESTOPPING.

General electrical requirements that are common to more than one section of Division 26: Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS.

Electrical conductors and cables in electrical systems rated 600 V and below: Section 26 05 21, LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES (600 VOLTS AND BELOW).

Requirements for personnel safety and to provide a low impedance path to ground for possible ground fault currents: Section 26 05 26, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS.

Wiring devices: Section 26 27 26, WIRING DEVICES.

ADMINISTRATIVE REQUIREMENTS

Assign a single communications project manager to serve as point of contact for Government, contractor, and design professional.

Be proactive in scheduling work.

Use of premises is restricted at times directed by COR.

Movement of materials: Unload materials and equipment delivered to site.

Coordinate installation of required supporting devices and sleeves to be set in poured-in-place concrete and other structural components, as they are constructed.

Sequence, coordinate, and integrate installations of materials and equipment for efficient flow of Work.

Coordinate connection of materials, equipment, and systems with exterior underground and overhead utilities and services. Comply with requirements of governing regulations, franchised service companies, and controlling agencies; provide required connection for each service.

Initiate and maintain discussion regarding schedule for ceiling construction and install cables to meet that schedule.

Contact the Office of Telecommunications, Special Communications Team (005OP2H3) (202)461-5310 to have a Government-accepted Telecommunications COR assigned to project for telecommunications review, equipment and system approval and coordination with other VA personnel.

Communications Project Manager Responsibilities:

Assume responsibility for overall telecommunications system integration and coordination of work among trades, subcontractors, and authorized system installers.

Coordinate with related work indicated on drawings or specified.

Manage work related to telecommunications system installation in a manner approved by manufacturer.

SUBMITTALS

Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

Provide parts list including quantity of spare parts.

Provide manufacturer product information. Government reserves the right to require a list of installations where products have been in operation.

Provide Source Quality Control Submittal:

Submit written certification from OEM indicating that proposed supervisor of installation and proposed provider of warranty maintenance are authorized representatives of OEM. Include individual's legal name, contact information and OEM credentials in certification.

Submit written certification from OEM that wiring and connection diagrams meet Government Life Safety Guidelines, NFPA, NEC, NRTL, these specifications, and Joint Commission requirements and instructions, requirements, recommendations, and guidance set forth by OEM for the proper performance of system.

Pre-acceptance Certification: Certification in accordance with procedure outlined in Section 01 00 00, GENERAL REQUIREMENTS and specific Division 27 qualification documentation.

Installer Qualifications: Submit three installations of similar size and complexity furnished and installed by installer; include:

Installation location and name.

Owner’s name and contact information including, address, telephone and email.

Date of project start and date of final acceptance.

System project number.

Three paragraph description of each system related to this project; include function, operation, and installation.

Provide delegated design submittals (e.g. seismic support design).

Submittals are required for all equipment anchors and supports. Include weights, dimensions, center of gravity, standard connections, manufacturer's recommendations and behavior problems (e.g., vibration, thermal expansion,) associated with equipment or conduit. Anchors and supports to resist seismic load based on seismic design categories per section 4.0 of VA seismic design requirements H-18-8 dated August, 2013.

Test Equipment List:

Supply test equipment of accuracy better than parameters to be tested.

Submit test equipment list including make and model number.

Supply only test equipment with a calibration tag from Government-accepted calibration service dated not more than 12 months prior to test.

Provide sample test and evaluation reports.

Submittal Drawings:

Telecommunications Space Plans/Elevations: Provide enlarged floor plans of telecommunication spaces indicating layout of equipment and devices, including receptacles and grounding provisions. Submit detailed plan views and elevations of telecommunication spaces showing racks, termination blocks, and cable paths. Include following rooms:

Telecommunications rooms.

Building Entrance Facility/Demarcation rooms.

Server rooms/Data Center.

Equipment rooms.

Antenna Head End rooms.

Logical Drawings: Provide logical riser or schematic drawings for all systems.

Provide riser diagrams systems and interconnection drawings for equipment assemblies; show termination points and identify wiring connections.

Access Panel Schedule on Submittal Drawings: Coordinate and prepare a location, size, and function schedule of access panels required to fully service equipment.

Provide sustainable design submittals.

Furnish electronic certified test reports to COR prior to final inspection and not more than 90 days after completion of tests.

CLOSEOUT SUBMITTALS

Provide following closeout submittals prior to project closeout date:

Warranty certificate.

Evidence of compliance with requirements such as low voltage certificate of inspection.

Project record documents.

Instruction manuals and software that are a part of system.

Maintenance and Operation Manuals: Submit in accordance with Section 01 00 00, GENERAL REQUIREMENTS.

Prepare a manual for each system and equipment specified.

Furnish on portable storage drive in PDF format or equivalent accepted by COR.

Furnish complete manual as specified in specification section, fifteen days prior to performance of systems or equipment test.

Furnish remaining manuals prior to final completion.

Identify storage drive "MAINTENANCE AND OPERATION MANUAL" and system name.

Include name, contact information and emergency service numbers of each subcontractor installing system or equipment and local representatives for system or equipment.

Provide a Table of Contents and assemble files to conform to Table of Contents.

Operation and Maintenance Data includes:

Approved shop drawing for each item of equipment.

Internal and interconnecting wiring and control diagrams with data to explain detailed operation and control of equipment.

A control sequence describing start-up, operation, and shutdown.

Description of function of each principal item of equipment.

Installation and maintenance instructions.

Safety precautions.

Diagrams and illustrations.

Test Results and testing methods.

Performance data.

Pictorial "exploded" parts list with part numbers. Emphasis to be placed on use of special tools and instruments. Indicate sources of supply, recommended spare parts, and name of servicing organization.

Warranty documentation indicating end date and equipment protected under warranty.

Appendix; list qualified permanent servicing organizations for support of equipment, including addresses and certified personnel qualifications.

Record Wiring Diagrams:

Red Line Drawings: Keep one E size 91.44 cm x 121.92 cm (36 inches x 48 inches) set of floor plans, on site during work hours, showing installation progress marked and backbone cable labels noted. Make these drawings available for examination during construction meetings or field inspections.

General Drawing Specifications: Detail and elevation drawings to be D size 61 cm x 91.44 cm (24 inches x 36 inches) with a minimum scale of 0.635 cm = 30.48 cm (1/4 inch = 12 inches). ER, TR and other enlarged detail floor plan drawings to be D size 61 cm x 91.44 cm (24” x 36”) with a minimum scale of 0.635 cm = 30.48 cm (1/4 inch = 12 inches). Building composite floor plan drawings to be D size 61 cm x 91.44 cm (24 inches x 36 inches) with a minimum scale of 3.175 mm = 30.48 cm (1/8 inch = 1’ 0 inch).

Building Composite Floor Plans: Provide building floor plans showing work area outlet locations and configuration, types of jacks, distance for each cable, and cable routing locations.

Floor plans to include:

Final room numbers and actual backbone cabling and pathway locations and labeling.

Inputs and outputs of equipment identified according to labels installed on cables and equipment Device locations with labels.

Conduit.

Head-end equipment.

Wiring diagram.

Labeling and administration documentation.

Submit Record Wiring Diagrams within five business days after final cable testing.

Deliver Record Wiring Diagrams as CAD files in .dwg // or // .dgn // .rvt // formats as determined by COR.

Deliver four complete sets of electronic record wiring diagrams to COR on portable storage drive.

Service Qualifications: Submit name and contact information of service organizations providing service to this installation within four hours of receipt of notification service is needed.

MAINTENANCE MATERIAL SUBMITTALS

After approval and prior to installation, furnish COR with the following:

A 300 mm (12 inch) length of each type and size of wire and cable along with tag from coils of reels from which samples were taken.

One coupling, bushing and termination fitting for each type of conduit.

Samples of each hanger, clamp and supports for conduit and pathways.

Duct sealing compound.

qUALITY aSSURANCE Manufacturer’s Qualifications: Manufacturer must produce, as a principal product, the equipment and material specified for this project, and have manufactured item for at least three years.

Product and System Qualification:

OEM must have three installations of equipment submitted presently in operation of similar size and type as this project, that have continuously operated for a minimum of three years.

Government reserves the right to require a list of installations where products have been in operation before approval.

Authorized representative of OEM must be responsible for design, satisfactory operation of installed system, and certification.

Trade Contractor Qualifications: Trade contractor must have completed three or more installations of similar systems of comparable size and complexity with regards to coordinating, engineering, testing, certifying, supervising, training, and documentation. Identify these installations as a part of submittal.

System Supplier Qualifications: System supplier must be authorized by OEM to warranty installed equipment.

Telecommunications technicians assigned to system must be trained, and certified by OEM on installation and testing of system; provide written evidence of current OEM certifications for installers.

Manufactured Products:

Comply with FAR clause 52.236-5 for material and workmanship.

When more than one unit of same class of equipment is required, units must be product of a single manufacturer.

Equipment Assemblies and Components:

Components of an assembled unit need not be products of same manufacturer.

Manufacturers of equipment assemblies, which include components made by others, to assume complete responsibility for final assembled unit.

Provide compatible components for assembly and intended service.

Constituent parts which are similar must be product of a single manufacturer.

Identify factory wiring on equipment being furnished and on wiring diagrams.

Testing Agencies: Government reserves the option of witnessing factory tests. Notify COR minimum 15 working days prior to manufacturer performing the factory tests.

When equipment fails to meet factory test and re-inspection is required, contractor is liable for additional expenses, including expenses of Government.

Delivery, Storage, and Handling Delivery and Acceptance Requirements:

Government's approval of submittals must be obtained for equipment and material before delivery to job site.

Deliver and store materials to job site in OEM's original unopened containers, clearly labeled with OEM's name and equipment catalog numbers, model and serial identification numbers for COR to inventory cable, patch panels, and related equipment.

Storage and Handling Requirements:

Equipment and materials must be protected during shipment and storage against physical damage, dirt, moisture, cold and rain:

Store and protect equipment in a manner that precludes damage or loss, including theft.

Protect painted surfaces with factory installed removable heavy kraft paper, sheet vinyl or equivalent.

Protect enclosures, equipment, controls, controllers, circuit protective devices, and other like items, against entry of foreign matter during installation; vacuum clean both inside and outside before testing and operating.

Coordinate storage.

FIELD CONDITIONS

Where variations from documents are requested in accordance with GENERAL CONDITIONS and Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES, connecting work and related components must include additions or changes to branch circuits, circuit protective devices, conduits, wire, feeders, controls, panels and installation methods.

A contract adjustment or additional time will not be granted because of field conditions pursuant to FAR 52.236-2 and FAR 52.236-3; a contract adjustment or additional time will not be granted for additional work required for complete and usable construction and systems pursuant to FAR 52.246-12.

WARRANTY

Comply with FAR clause 52.246-21.

Warranty material and equipment to be free from defects, workmanship, and remain so for a period of one year for Emergency Systems from date of final acceptance of system by Government; provide OEM’s equipment warranty document to COR.

products

PERFORMANCE AND DESIGN CRITERIA

Provide communications spaces and pathways conforming to TIA 569, at a minimum.

In cases of renovations in historic or otherwise restrictive buildings, where it has been determined as impossible to follow above stated guidelines, exceptions must not modify maximum distances set forth in TIA 568 and 569; and exceptions must not in any way effect performance of entire TIP system.

EQUIPMENT IDENTIFICATION

Provide laminated black phenolic resin with a white core nameplates with minimum 6 mm (1/4 inch) high engraved lettering.

Nameplates furnished by manufacturer as standard catalog items, unless other method of identification is indicated.

Underground warning tape Underground Warning: Standard 4-Mil polyethylene 76 mm (3 inch) wide tape detectable type; red with black letters imprinted with “CAUTION BURIED ELECTRIC LINE BELOW”, orange with black letters imprinted with “CAUTION BURIED TELEPHONE LINE BELOW” or orange with black letters imprinted with “CAUTION BURIED FIBER OPTIC LINE BELOW”, as applicable.

WIRE LUBRICATING COMPOUND

Provide non-hardening or forming adhesive coating cable lubricants suitable for cable jacket material and raceway.

FIREPROOFING TAPE

Provide flexible, conformable fabric tape of organic composition and coated one side with flame-retardant elastomer.

Tape must be self-extinguishing and cannot support combustion; arc-proof and fireproof.

Tape cannot deteriorate when subjected to water, gases, salt water, sewage, or fungus; and tape must be resistant to sunlight and ultraviolet light.

Application must withstand a 200-ampere arc for minimum 30 seconds.

Securing Tape: Glass cloth electrical tape minimum 0.18 mm (7 mils) thick and 19 mm (3/4 inch) wide.

UNDERGROUND CABLES

Provide buried closure suitable for enclosing a straight, butt, and branch splice in a container into which can be poured an encapsulating compound.

Provide closure of adequate strength to protect splice and maintain cable shield electrical continuity in buried environment.

Provide re-enterable encapsulating compound maintaining chemical stability of closure.

Provide filled splice cases in accordance with RUS Bull 345-72.

Provide gel filled cable meeting requirements of ICEA S-99-689.

In Vault or Manhole:

Provide underground closure suitable to house a straight, butt, and branch splice in a protective housing into which can be poured an encapsulating compound Closure must be suitable thermoplastic, thermo-set, or stainless steel material supplying structural strength to pass mechanical and electrical requirements in a vault or maintenance hole (manhole) environment.

Re-Enterable Encapsulating Compound: Product maintaining chemical stability of closure.

Provide gel-filled splice cases in accordance with RUS Bull 345-72.

AERIAL (ABOVEGROUND) ENCLOSURES

Provide aboveground enclosures constructed of minimum 2.108 mm (14 gauge) steel ultraviolet resistant PVC.

Size enclosures and install marker.

Secure covers to prevent unauthorized entry.

Provide gel filled cable meeting requirements of ICEA S-98-688, and RUS 1755.390; except, Figure 8 distribution wire suitable for aerial installation with:

26,700 N (6,000 pound); or 6,000 pound Class A galvanized steel; or 26,700 N (6,000 pound) aluminum-clad steel strand.

ACCESS PANELS

Panels: 304 mm x 304 mm (12 inches by 12 inches)// ______ //, or size allowed by location to provide optimum access to equipment for maintenance and service.

Provide access panels and doors as required to allow service of materials and equipment that require inspection, replacement, repair or service.

Provide access panels where items installed require access and are concealed in floor, wall, furred space or above ceiling; ceilings consisting of lay-in or removable splined tiles do not require access panels.

Provide access panels with same fire rating classification as surface penetrated.

EXECUTION

Preparation Penetrations and Sleeves:

0. Lay out penetration and sleeve openings in advance, to permit provision in work.

Set sleeves in forms before concrete is poured.

Set sleeves prior to installation of structure for passage of pipes, conduit, ducts, etc.

Provide sleeves and packing materials at penetrations of foundations, walls, slabs, partitions, and floors.

Make sleeves that penetrate outside walls, basement slabs, footings, and beams waterproof.

Fill slots, sleeves and other openings in floors or walls if not used.

Fill spaces in openings after installation of conduit or cable.

Provide fill for floor penetrations to prevent passage of water, smoke, fire, and fumes.

Provide fire resistant fill in rated floors and walls, to prevent passage of air, smoke and fumes.

Install sleeves through floors watertight and extend minimum 50.8 mm (2 inches) above floor surface.

Match and set sleeves flush with adjoining floor, ceiling, and wall finishes where raceways passing through openings are exposed in finished rooms.

Annular space between conduit and sleeve must be minimum 6 mm (1/4 inch).

Do not provide sleeves for slabs-on-grade, unless specified or indicated otherwise.

Comply with requirements for firestopping, for sleeves through rated fire walls and smoke partitions.

Do not support piping risers or conduit on sleeves.

Identify unused sleeves and slots for future installation.

Provide core drilling if walls are poured or otherwise constructed without sleeves and wall penetration is required; do not penetrate structural members.

Core Drilling:

Avoid core drilling whenever possible.

Coordinate openings with other trades and utilities, and prevent damage to structural reinforcement.

Investigate existing conditions in vicinity of required opening prior to coring, including an x-ray of floor if determined necessary by competent person or COR.

Protect areas from damage.

Verification of In-Place Conditions:

Verify location, use and status of all material, equipment, and utilities that are specified, indicated, or determined necessary for removal.

Verify materials, equipment, and utilities to be removed are inactive, not required, or in use after completion of project.

Replace with equivalent any material, equipment and utilities that were removed by contractor that are required to be left in place.

Existing Utilities: Do not interrupt utilities serving facilities occupied by Government or others unless permitted under following conditions and then only after arranging to provide temporary utility services, according to requirements indicated:

Notify COR in writing at least 14 days in advance of proposed utility interruptions.

Do not proceed with utility interruptions without Government’s written permission.

Provide suspended platforms, strap hangers, brackets, shelves, stands or legs for floor, wall and ceiling mounting of equipment as required.

Provide steel supports and hardware for installation of hangers, anchors, guides, and other support hardware.

Obtain and analyze catalog data, weights, and other pertinent data required for coordination of equipment support provisions and installation.

Verify site conditions and dimensions of equipment to ensure access for proper installation of equipment without disassembly that would void warranty.

Installation - GENERAL Coordinate systems, equipment, and materials installation with other building components.

Install systems, materials, and equipment to conform with approved submittal data, including coordination drawings.

Conform to VAAR 852.236.91 arrangements indicated, recognizing that work may be shown in diagrammatic form or have been impracticable to detail all items because of variances in manufacturers’ methods of achieving specified results.

Install systems, materials, and equipment level and plumb, parallel and perpendicular to other building systems and components, where installed in both exposed and un-exposed spaces.

Install equipment according to manufacturers' written instructions.

Install wiring and cabling between equipment and related devices.

Install cabling, wiring, and equipment to facilitate servicing, maintenance, and repair or replacement of equipment components. Connect equipment for ease of disconnecting, with minimum interference of adjacent other installations.

Provide access panel or doors where units are concealed behind finished surfaces.

Arrange for chases, slots, and openings in other building components during progress of construction, to allow for wiring, cabling, and equipment installations.

Where mounting heights are not detailed or dimensioned, install systems, materials, and equipment to provide maximum headroom and access for service and maintenance as possible.

Install systems, materials, and equipment giving priority to systems required to be installed at a specified slope.

Avoid interference with structure and with work or other trades, preserving adequate headroom and clearing doors and passageways to satisfaction of COR and code requirements.

Install equipment and…