TelecommunicationsDesignGuideLines.pdf

US Forest Service

06/19/2009 Telecommunications Wiring Systems Design Guidelines Page 1 of 54

The Chief Information Office

TELECOMMUNICATION WIRING SYSTEMS DESIGN GUIDELINES

IT REQUIREMENTS FOR NEW CONSTRUCTION AND LEASE FACILITIES

Prepared for USDA Forest Service

Draft Version 0.1

19 June 2009

Prepared by:

Connectivity Line of Service

Facilities Move Support Team

06/19/2009 Telecommunications Wiring Systems Design Guidelines Page 2 of 54

TABLE OF CONTENTS

1. PART 1 – GENERAL

1.01 DESIGN SCOPE

1.02 REFERENCE SPECIFICATIONS & DRAWINGS

1.03 ABBREVIATIONS, ACRONYMS, OR DEFINITIONS

1.04 CODES AND STANDARDS

2. PART II – TELECOMMUNICATIONS DESIGN REQUIREMENTS

2.01 TELECOMMUNICATIONS DESIGN REFERENCE SPECIFICATIONS

2.02 REQUIRED DOCUMENTS SUBMITTALS FOR REVIEW

2.03 LEASE REQUIREMENTS (DELETE THIS SUBSECTION IF DESIGN IS FOR FS OWNED

BUILDING CONSTRUCTION)

2.04 GENERAL TELECOMMUNICATION SYSTEMS REQUIREMENTS

2.05 EF (ENTRANCE FACILITY) DESIGN REQUIREMENTS

2.06 ER (TELECOMMUNICATIONS EQUIPMENT ROOM) DESIGN REQUIREMENTS

2.07 TR (TELECOMMUNICATIONS ROOM) DESIGN REQUIREMENTS

2.08 ER AND TR SPACE COMPONENT REQUIREMENTS

2.09 GROUNDING AND BONDING

2.10 EQUIPMENT PROTECTION

2.11 RACEWAYS

2.12 CABLE SUPPORT HARDWARE

2.13 COPPER WIRE AND CABLES

2.14 FIBER OPTIC CABLES

2.15 TERMINATIONS AND CONNECTING HARDWARE

2.16 ANALOG PHONE AND RADIO TELECOMMUNICATIONS OUTLETS

2.17 GOVERNMENT SUPPLIED MATERIALS

2.18 FIRESTOP SYSTEM

2.19 RADIO SPACE AND SYSTEM DESIGN REQUIREMENTS

2.20 OTHER CONSIDERATIONS FOR TELECOMMUNICATIONS SPACES

VOICE AND DATA WIRING FIGURES AND TABLES,

FIGURE 7.1– GRAPHIC REPRESENTATION OF DEFINITIONS

TABLE 7.1 – CODES AND STANDARDS

FIGURE 7.2 – TELECOMMUNICATIONS JACK ASSIGNMENTS

TABLE 7.2 – T568-A COLOR CODES VERFIY

TABLE 7.3 – ER ROOM SIZING FOR BUILDINGS < 5,000 SF

TABLE 7.4 – TR ROOM SIZING -- OTHER FLOORS OR BUILDINGS

TABLE 7.5 – RADIO REQUIREMENTS AND COMPONENTS AT SITES

2.21 TYPICAL TELECOMMUNICATIONS SPACES FOR A MEDIUM OFFICE

2.22 TYPICAL DETAILS FOR ER DESIGN

3. PART III MECHANICAL DESIGN REQUIREMENTS

3.01 ER (TELECOMMUNICATIONS EQUIPMENT ROOM) HVAC & ALARM REQUIREMENTS .. 34

3.02 ER ROOM BACKUP POWER FOR COOLING

3.03 ER ROOM & TR ROOM EMERGENCY LIGHTING & EXITING

3.04 ER ROOM TEMPERATURE MONITORING / EMERGENCY SHUT DOWN SYSTEMS

3.05 FIRE ALARM SYSTEM

4. PART III ELECTRICAL POWER DESIGN REQUIREMENTS

4.01 GENERAL DESIGN INFORMATION

4.02 ELECTRICAL SERVICE

4.03 IT ROOM(S) PANEL SYSTEM

4.04 RACEWAYS

4.05 PANELS AND NEUTRALS

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4.06 FEEDER AND BRANCH CIRCUIT WIRING

4.07 GROUNDING OF SERVICE, PANELBOARDS, FEEDERS, BRANCH CIRCUITS

4.08 TRANSIENT VOLTAGE SURGE SUPPRESSORS

4.09 IDENTIFICATION

4.10 ELECTRICAL OUTLET CONSTRUCTION

4.11 120 VOLT OUTLET DESIGN REQUIREMENTS

4.12 BUILDING SERVICE OUTLETS

4.13 DEDICATED CIRCUITS OUTLETS FOR DESIGNATED EQUIPMENT

4.14 SPECIAL PURPOSE OUTLETS

4.15 IT ROOM EQUIPMENT ELECTRICAL REQUIREMENTS

4.16 IT ROOM EQUIPMENT AREA LAYOUT

4.17 AUTOMATIC FIRE ALARM SYSTEMS

4.18 BUILDING AND SITE ACCESS CONTROL SYSTEM UPDATE WITH USDA REQTS

4.19 LIGHTING GENERAL

4.20 PUBLIC ADDRESS SYSTEM

4.21 ER EQUIPMENT ROOM(S) EMERGENCY DISCONNECTS AND ALARM SYSTEMS

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TELECOMMUNICATIONS WIRING SYSTEMS DESIGN GUIDELINES

1. PART 1 – GENERAL

1.01 DESIGN SCOPE

Point of Consideration: In some cases, it may be desirable for a Government Building to serve as an emergency shelter or continue operation to provide emergency dispatch services to aid during a community, state, or federal disaster situation. As part of the Regional or Forest Asset Management

Plans, the ability to use a Forest Service building in this capacity should be determined and provision for emergency condition or action implementation should be considered. Use of a building for this purpose may require additional components such as on-site power generators or a building design that provides space use for emergency situations.

A. This document is a design guideline for telecommunications distribution systems (TDS) and power systems , HVAC, physical access control and security systems fire alarm systems, PA systems, Advanced Metering feeding IT equipment both in the ER and TR and at workstations WAO.

B. The designer shall have a minimum of five (5) years experience and provide certification of BICSI (Registered Communications Distribution Designer (RCDD).

C. The Contractor shall provide a design for installation of a CAT 6 telecommunications distribution system using Category 6 products and/or fiber optic.

1. This telecommunications distribution system shall support voice, data, radio, and video applications.

2. The design shall provide properly sized spaces including the following: Exterior and interior provision of space meeting access provider entrance requirements and space for entrance facilities (EF), equipment room[s] (ER), telecommunications room[s] (TR), and telecommunications enclosures (TE).

3. The design shall include all components required to support the wiring systems for: intra-building and inter-building cabling; backbone and horizontal cabling, terminations and interfaces and associated connecting hardware, telecommunications infrastructure grounding and bonding, conduit, protective devices, fire stop system, and any other items required for voice, data, radio, video systems.

4. The design shall include construction drawings and written specifications for construction and installation.

1.02 REFERENCE SPECIFICATIONS & DRAWINGS

A. Construction Specifications

1. Written specification for construction and/or installation shall be Forest Service

Specifications listed below. These sections detail the physical hardware specifications, installation, testing and documentation requirements.

a. http://fsweb.wo.fs.fed.us/irm/facilities/index.php FSWEB link

b. http://www.fs.fed.us/database/acad/csispecs/specs.htm WWW Link

c. 260050 Common Work Results for Electrical

d. 260100 Basic Methods and Materials

e. 270528 Cable Trays & Support systems

f. 270000 Telecommunications Wiring Systems http://fsweb.wo.fs.fed.us/irm/facilities/index.php http://www.fs.fed.us/database/acad/csispecs/specs.htm

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g. 260400 Underground Communications Cable and Power Distribution

h. Other specification to be added, UPS, etc, B. Construction Sample Drawings

1. Reference sample ER, TR room layout drawings shut down systems typical office wiring systems and details for construction are shown at end of this document. These and more detailed drawings will be available at the USFS web site:

a. http://fsweb.wo.fs.fed.us/irm/facilities/index.php FSWEB link

b. http://www.fs.fed.us/database/acad/elec/elec.htm WWWl link

1.03 ABBREVIATIONS, ACRONYMS, OR DEFINITIONS

A. These are a general list of abbreviations, acronyms, or definitions used throughout this design guideline.

1. Access Provider

a. A company (e.g., a telephone company), that provides a circuit path between a service provider and the client user. An access provider can also be the service provider.

b. The operator of any facility that is used to convey telecommunications signals to and from a customer premises.

2. AHJ - Authority Having Jurisdiction

a. The entities responsible for Jurisdiction (AHJ) interpretation and enforcement of local building and electrical codes.

3. ATR - all-threaded-rod

4. Backbone Subsystem

a. Main backbone pathway or cable in a star topology providing interconnection between TRs, TEs, ERs, and the EF within or between buildings.

5. Bend Radius

a. The radius of curvature that a media can bend without signal degradation.

6. BEP – Building Entrance Protection device. Building Entrance Protection device supplying Over Voltage Suppression for lightning. See ANSI J-STD-607-A.

7. Cable

a. An assembly of one or more insulated conductors or optical fibers within an enveloping sheath.

8. Cable Support

a. A combination of conduits, System cable trays, support hooks, tiewraps, and any other hardware pieces used in a cabling installation to support cables.

Cable support systems keep excess stress off the cables and may provide some mechanical protection to the cables being supported.

9. Cable Tray

a. A rigid structure or wire basket for supporting, housing, and protecting cables or conductors. Usually consists of one-piece solid or ventilated bottom or individual transverse members with two side rails.

10. Cable Trays and Wire/Path Ways

a. Prefabricated structures used within commercial buildings for pathways of telecommunications cabling. These systems are placed between the WA http://fsweb.wo.fs.fed.us/irm/facilities/index.php http://www.fs.fed.us/database/acad/elec/elec.htm

06/19/2009 Telecommunications Wiring Systems Design Guidelines Page 6 of 54 and the TR(s) and may be routed through out all parts of the building, including access floors and ceiling pathways.

11. Connecting Hardware

a. Devices providing mechanical cable terminations referring to cross-connects and mechanical connection hardware.

12. CPR - coupled power ratio

13. Over Voltage Surge Protection Devices

a. An over voltage protector for copper cables featuring metallic electrodes that discharge in a gas atmosphere within glass or ceramic envelope. This type of protector does not require replacement each time it discharges.

14. Cross-Connects

a. A device enabling the termination of cable elements and their interconnection, and/or cross-connection, primarily by means of a patch cord or cross-connect jumper.

15. dB - decibel

16. dBm - decibel milliwatt

17. Demarcation Point

a. A point where the operational control or ownership changes.

b. The point of interface between access providers and customer facilities.

18. Duct

a. A single enclosed raceway for conductors, wires, or cables. See also raceway.

b. An enclosure in which air is moved. Generally part of the heating, ventilating, and air conditioning system of a building.

19. EF - Entrance Facility

a. A secured, accessible entrance to a building for public and private network service cables, including connections/demarcation points to: access provider, campus distribution, inter-exchange common carrier, the central station system for fire or burglar alarms, community antenna television and closed circuit television.

b. A building or campus serving space/facility that provides all necessary mechanical and electrical services, for the entry of telecommunications cables into a building.

20. EMI - Electromagnetic Interference

21. EMT - Electrical Metallic Tubing

22. ER - Equipment Room

a. A centralized building or campus serving space used exclusively for telecommunications and/or computer equipment that usually houses a main or intermediate cross-connect.

b. Previously known as a computer or IT room housing the MDF (Main

Distribution Frame).

23. Fire stop

a. A fire-rated material, device, or assembly of parts installed in a penetration of a fire-rated barrier.

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24. Fire stop system

a. A specific installation consisting of fire-rated materials that fill the opening in a wall or floor assembly of, around and between any items that penetrate the wall or floor, and any termination devices along with their means of support.

25. Ft - feet, foot

26. Grounding System

a. A system of hardware and wiring that provides an electrical path from a specified location to an earth ground point.

27. HVAC - Heating, Ventilation, and Air Conditioning

28. HC - Horizontal Cross-connect

a. A cross-connect of horizontal cabling to other cabling, e.g., horizontal, backbone, or equipment.

29. Horizontal Subsystem

a. Horizontal pathway or cable between and including the telecommunications outlet/connector in the work area and the horizontal cross-connect in the TR or an ER for smaller buildings.

30. IC - Intermediate Cross-connect

a. A cross-connect between first level and second level backbone cabling.

Note: only one IC is allowed between a HC and the MC.

b. Previously known as an Intermediate Distribution Frame (IDF).

31. IDC - Insulation Displacement Contact

32. IMC - Intermediate Metal Conduit

33. in - inch

34. J-hook

a. A supporting device for horizontal cables that is shaped like a “J.” It is attached to some building structures. Horizontal cables are laid in the opening formed by the “J” to provide support for the cables.

35. km - kilometer

36. kVA - kilovolt amp

37. Ladder Rack

a. A device similar to a cable tray but more closely resembles a single section of a ladder. It is constructed of metal with two sides affixed to horizontal cross members.

38. Light Interface unit (LIU)

a. Fiber Optic termination device that provides the interface connection between a fiber optic cable to another fiber optic cable distribution system.

39. MC - Main Cross-connect

a. A cross-connect for first level backbone cables, entrance cables, and equipment cables.

b. Previously known as an Main Distribution Frame (MDF).

40. m - meter

41. µm – micron

a. one millionth of a meter (0.000001 meter); also called micrometer

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42. MHz - Megahertz

43. mm – millimeter

44. NEC - National Electrical Code

45. NECA - National Electrical Contractors Association

46. NESC - National Electrical Safety Code

47. NFPA - National Fire Protection Association

48. OLTS - Optical Loss Test Set

49. OTDR - Optical Time Domain Reflectometer

50. Outlet Box for Telecommunications

a. A metallic or non-metallic box) mounted within a floor, wall, or ceiling and used to hold telecommunications outlets/connectors or transition devices.

51. Outlet/Connector

a. A connecting device in the (Telecom- work area on which horizontal communications) cable or outlet cable terminates.

52. Pathway

a. The vertical and horizontal route of the telecommunications cable.

b. A facility for the placement of telecommunications cable.

53. RMC - Rigid Metal Conduit

54. ScTP - Screened Twisted-Pair

55. Sleeve

a. An opening, usually circular, through the wall, ceiling, or floor to allow the passage of cables.

56. STAR Topology

a. See Figure 7.1 Graphic Representation of Definitions. A relationship of system components and telecommunications space for main building (main floor) and other outbuildings (other stories).

57. Stubout (Utility)

a. Placement of underground rated conduit for future use in telecommunications system installations. Conduit installed through building wall via the sleeves and Sleeve that allow the p

58. TBB - Telecommunications Bonding Backbone

a. A conductor that interconnects the TMGB to the TGB.

59. TE - Telecommunications Enclosure

a. A case or housing, for telecommunications equipment, cable terminations, and cross-connect cabling.

b. A telecommunications space generally considered a floor or tenant-serving space smaller than a TR, providing a connection point between backbone and horizontal cabling.

60. Telecommunications Grounding and Bonding System

a. Grounds and bonds the Telecommunications Infrastructure. Complete definitions may be found in NEC and the ANSI-J-STD-607-A-2002

Standard.

61. TGB - Telecommunications Grounding Busbar

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a. A common point of connection for the telecommunications system and equipment bonding to ground, and located in the telecommunications room or equipment room.

62. Telecommunications Infrastructure

a. A collection of telecommunications components, excluding network and telephone equipment, providing the basic support for the distribution of all information within a building or campus.

b. A substructure of a system used to support the cable system being installed.

63. TIA - Telecommunications Industry Association

64. TMGB - Telecommunications Main Grounding Busbar

a. A busbar placed in a convenient and accessible location and bonded, by means of the bonding conductor for telecommunications, to the building service equipment (power) ground and located near the building electrical service entrance.

65. TR - Telecommunications Room

a. An enclosed space used exclusively for housing telecommunications equipment, cable terminations, cross-connection cabling and interconnection to work areas. The TR is considered floor serving, as opposed to building or campus-serving.

b. Previously known as Telecommunications rooms, cabinets, or closets containing IDF (Intermediate Distribution Frame).

66. TSB - Telecommunications Systems Bulletin

67. UTP - Unshielded Twisted-Pair

68. Work Area (WA)

a. (Workstation) Building space where occupants interact with their telecommunications equipment

69. Work Area Outlet (WAO)

a. A connecting device for termination of horizontal media (cabling).

1.04 CODES AND STANDARDS

A. The Designer/Contractor shall comply with the provisions of NEC, state codes, local codes, requirements of authorities having jurisdiction, manufacturer’s requirements, the codes and standards listed in these specifications and Table 7.1: Codes and Standards attached at the end of this document.

1. The listed standards (current at time of design) shall be used for further design or installation instructions for telecommunications wiring projects

2. The most current edition of codes/standards at time of design applies. When there is a conflict of codes, the more stringent code requirement applies.

3. The Designer/Contractor is responsible for knowledge of and adherence to the applicable codes and standards

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2. PART II – TELECOMMUNICATIONS DESIGN REQUIREMENTS

2.01 TELECOMMUNICATIONS DESIGN REFERENCE SPECIFICATIONS

A. The following specifications provide telecommunication system details as to acceptable products, required or acceptable material types, and installation requirements for telecommunication components to be used in the design work and installation.

[Text in blue is construction or lease language and must have input for ID numbers]

1. [Specification # or SFO Section #] – Architectural and Architectural Finishes for

Design Submittals, structural requirements, secured wall construction, floor loading, and surface finishes.

2. [Specification # or SFO Section #] – Plumbing and Mechanical

3. [Specification # or SFO Section #] – Electrical and Alarm Systems.

a. Section 6.3.3 for ER UPS.

b. Section 6.3.4(b) for Emergency Disconnect and Alarm Systems

4. [Specification # or SFO Section #] – Safety and Environmental, subsection pertaining to Physical Protection and Security.

a. [Insert project name] office does [not] meet criteria as a “data center” nor does is have “Restricted Information Technology (IT) Space”.

i. Design shall provide the [minimum] security requirements defined in

[Reference specification or SFO Section if a data center or Restricted

Information IT Space] for telecommunications spaces at this site.

5. [Design shall meet requirements of Forest Service Specification 270000

Telecommunications Wiring Systems.] and/or [Specification 270000 shall be included as part of the design specifications.]

2.02 REQUIRED DOCUMENTS SUBMITTALS FOR REVIEW

A. Submittals shall be required at the design mileposts per the requirements listed in the

[SFO Architectural or Submittals requirements or Specification 270000

Telecommunications Wiring Systems].

1. Submit required drawing for project per [Reference the specification or SFO

Section for required drawings]. [Insert list of required drawings here.]

2. Submittals shall include Drawings in progress, Specifications, Product Cutsheets, and a Bill of Materials for the communications systems.

3. Submit any Conceptual drawings and System information required per

[Specification # or SFO Section #].

a. Submittals shall be required at the design mileposts per this Section

B. Construction Drawings referred to herein are Contractor prepared drawings in conjunction with, and approval of, the Contracting Officer.

1. Submit Construction Drawings for review and approval as required per

[Specification # or SFO Section #] – Design and Construction Documents

Submittals.

C. See sample layouts drawings attached. [List and attach at end of section or in

Attachment Section]

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2.03 LEASE REQUIREMENTS (DELETE THIS SUBSECTION IF DESIGN IS FOR FS

OWNED BUILDING CONSTRUCTION)

A. During the term of the lease the Contractor shall maintain the telecommunications distribution system, except for copper and fiber patch cords, as originally installed, with

Government approved modifications.

1. Any copper cable system shall continue to perform at Category 6 standard throughout the lease term.

2. Any fiber optic system shall continue to perform at the applicable TIA/EIA 568 B standards as initially installed.

3. Drawings referred to herein are Contractor prepared drawings in conjunction with, and approval of, the Contracting Officer.

B. Upon termination of this lease, the telecommunications system designed for the

Government and installed by the lessor will remain the property of the lessor

2.04 GENERAL TELECOMMUNICATION SYSTEMS REQUIREMENTS

A. EXTENDED PRODUCT AND WORKMANSHIP WARRANTY:

1. The Government shall receive an extended equipment manufacturers product and workmanship warranty of 25 years that assures compliant performance of the telecommunications systems based ANSI/TIA/EIA-568 A for the backbone and horizontal cable system infrastructure designed for the building(s) and site.

B. Multi-Tenant Buildings

1. Government TR/ER rooms shall not be shared with private enterprise tenants.

2. Government Agencies shall require separate Entrance Facilities by the Access

Provider.

C. TR/ER rooms shall not be used as storage space.

D. Proximity to Electrical Power Service and EMI Sources

1. Equipment that is a potential EMI source shall be located no closer than 3 m (10

ft) to the TR/ER.

E. All materials and equipment specified for the design shall be high quality, new, and meet the standards of EIA/TIA, IEEE, UL, NFPA, and NEC. Materials and equipment shall bear the proper label to meet the required standards.

F. Provide adequate Design and Installation information for:

1. All telecommunications spaces

a. Logical arrangements of all items in the EF, ER, and TR’s

2. Equipment mounting racks

3. Mounting details for any equipment or racks

4. Cable infrastructure and support

5. Fire-stop systems

6. Cabling Systems

a. Provide, terminate, protect, and distribute cabling systems on the premises.

i. The cabling system for voice and data systems shall be a standard part of the design for all office buildings.

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ii. There are [no] additional buildings expected at this site [unless a proposed office consists of multiple buildings].

b. Cabling system [may be] [is] required for radio and or video [if requested specifically in the SFO specifications].

i. At this site, video cabling is [not] required from Dish Satellite to the

Equipment Room and from Equipment Room to the Conference

Room (one to each section if divided) and all meeting rooms.

ii. At this site, radio connections shall be supplied [via the Access

Provider] [with required radio cabling installed to existing radio and antenna site].

7. A natural wiring progression and future growth with minimal wire crossing, and easy access to each component for testing and facilitating moves, additions, and changes

G. See specific space requirements and expected components under the EF, ER, or TR paragraphs below.

2.05 EF (ENTRANCE FACILITY) DESIGN REQUIREMENTS

A. One Entrance Facility (EF) is required per site.

B. EF shall be sized to contain all entrance equipment and mounting space required for the access provider equipment.

1. This space must be sized and coordinated with the local access provider.

2. This space may be a closet in the ER or a room.

3. The EF is usually combined with the ER without any increase in the ER floor area at Work Centers and District Offices.

4. If the EF is a separate room due to multiple agencies, private enterprise tenants, or an existing facility, it shall be sized through consideration of and coordination with both the access provider and the tenants of the building. Space must support all entrance conduits, access provider equipment, and the backboard space necessary to mount access provider equipment.

5. It may be sized upward according to the telecommunications applications supported and according to ANSI/TIA/EIA 569-A.

C. Access Provider will terminate, protect, and distribute cable pairs in the Entrance

Facility.

D. Provide a minimum of three 4-inch sleeves and stub-outs for Access Provider cable entry into the Entrance Facility.

1. If the location is a campus site, the Entrance Facility shall provide the inter-building exit conduits and cabling facilities routed to other buildings on the site.

a. Consult with the IT Project Manager about cabling and conduit to multiple buildings on a Campus. Inter building conduits shall be a minimum of 4”

PVC sch 40.

E. The EF components will consist of the entrance conduit, access provider equipment mounted on backboards (demarcation point). Access Provider equipment may include lightning protection, punch down blocks, and other equipment as required. Increase the size of the EF to accommodate exit of the necessary conduits and cabling.

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2.06 ER (TELECOMMUNICATIONS EQUIPMENT ROOM) DESIGN REQUIREMENTS

A. One Telecommunications Equipment Room (ER) is required per site. [The ER is the equivalent to the Computer or IT room with the MDF in older IT terminology.]

1. The room may also contain the following components or systems which are described in detail in the Power Supply or Electrical Specifications.

a. Room UPS unit and a separate wall mounted maintenance by-pass switch for ER room and Critical Life/Safety Systems

i. UPS backup time at full load [ 4 FILL IN] Hours minimum

ii. Critical Building Systems

1. Building Security System

2. PA system

3. CCTV system if required for ER or building

4. Intrusion Detection system if required for ER or building

5. Fire Alrrm system

6. Radio systems

b. Isolated Ground Power panels and equipment for this room, Feeding IT equipment and life safety systems listed above.

i. Provide 200% neutral for this panel.

c. Provide transient voltage surge suppressor in the ER room power panel.

d. Emergency Shut Down and Alarm Systems for ER or large TR room

i. Over-temperature alarm and shut down

ii. Fire alarm and shut down

B. Add specs for generators and bypass switch to operate ER UPS and cooling Systems

C. ER shall be capable of serving all types of telecommunications applications plus accommodate the telecommunications racks and equipment clearance space requirements.

D. ER may accommodate the EF and TR spaces for smaller buildings without any additional increase in the minimum size.

E. ERs shall be sized at minimum 10 x 15 feet (3000 mm x 4500 mm).

1. It may be sized upward according to the telecommunications applications supported according to ANSI/TIA/EIA 569-A.

2. ER shall include space for critical building systems including fire alarm & security control equipment, PA systems, and uninterruptible power supply (UPS) system and backup batteries to meet backup time requirements.

3. Under some circumstances when dealing with small sites or small buildings, an

ER sized at 10 x 15 feet may be oversized.

a. This should not be a concern except where the main building is under 5,000 square feet (500 m ) and limited or no communications are required elsewhere on the site.

b. In this situation, coordinate with the telecommunications project manager responsible for the site and use Table 7.3, Alternate ER Sizes for Buildings

(5,000 sf and less) if so directed in writing by the CO.

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2.07 TR (TELECOMMUNICATIONS ROOM) DESIGN REQUIREMENTS

A. One TR [equivalent of IDF in older Information Technology terms] is required for the following design situations:

1. Single Story building requires TR in addition to ER when

a. Home run distance to WAO is greater than 295 feet (90 m).

b. Floor area for office space is greater that 10,000 square feet

2. Multiple Story building

a. Requires one TR for each floor above the 1 st floor

b. Requires additional TR for each floor if:

i. Story floor area is greater than 10,000 square feet of office space.

ii. Home run distance exceeds 295 feet (90 m) to a WAO location.

3. Where additional TRs exist, the TR shall contain the horizontal cross-connects to the main backbone cabling and to intermediate cross-connects to other TR’s as applicable.

B. The TR shall have floor or wall-mounted racks with a switch and patch panels (24 or 48 ports, as needed, of type specified).

C. Size TR per Table 7.4 Sizing TR for Building Areas or Additional Site Buildings. TR may be a secured cabinet, closet, or a room dependent upon the required equipment necessary.

D. All spaces must have code required clearances to equipment racks for front and rear access (36” min)

E. Power for equipment in TR racks shall come from main ER room UPS or a separate

UPS and power panel dedicated for each TR room. Design requirement for electrical power for TR rooms shall be the same as the ER room. A separate power panel shall be provide for this room.

2.08 ER AND TR SPACE COMPONENT REQUIREMENTS

A. Expected components for these spaces include the following items.

1. Backboards –

a. Shall be installed on at least 2 walls in each EF, ER, and TR

b. Shall have no wall mounted equipment projecting into the 36-inch clear space between the wall and the racks per “Equipment Racks” paragraph below.

c. Provide a backboard with the minimum area of 4 x 8 ft (1.2 x 2.4 m).

d. Provide backboards for the TRs, ER, EF termination device for mounting the Access Provider Equipment including lightning protection, punch down equipment, and other devices as necessary.

2. Equipment Racks

a. Provide 4 post equipment racks 24” W x 30” D X 84” H.

b. Provide equipment racks meeting ANSI/EIA/TIA-310-D.

c. Equipment racks shall be secured to the building structure and shall be accessible from the front and rear.

d. Equipment rack mounting must meet seismic mounting requirements.

e. All racks shall be bonded to the TGB or TMGB using a minimum 6 AWG copper conductor.

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f. The telecommunications connecting hardware shall be floor or wall rack mounted according to each location’s requirements.

g. Provide a floor space with minimum depth of 36 inches for each floor-mounted rack to be installed in the room.

h. Maintain 36 inches clear space (914 mm) in front and back of the rack as measured from face of rack mounted equipment to face of wall mounted equipment.

i. In ERs, the floor-mounted equipment racks shall be centered in the room and ladder cable trays should be installed from the wall to the top of the equipment racks to provide cable pathway and structural stability.

ii. Provide the design for attachment of ladder cables to racks and the racks to floor.

iii. Transitions between cable trays and equipment racks shall be ensure that minimum cable bend radii is maintained.

i. Provide PDU’s for rack to handle equipment load as shown in equipment load list spreadsheet. Provide a minimum of 2 – 20A dedicated circuits per rack, more if additional equipment is needed.

3. Cable Management Design Requirements

a. Horizontal cable management between rack and power supply shall be routed on the rear sides of the rack using cable management accessories attached to the rear of the rack’s vertical channels.

b. Vertical cable management shall be provided for all power and data cables along each side of the equipment racks.

c. Patch cord wire management shall be provided on the rack fronts.

4. Power Distribution Units

a. Provide Power Distribution Units in racks for equipment connections within or between the racks as necessary.

2.09 GROUNDING AND BONDING

A. Provide details of Grounding and Bonding in the design that meet, or exceed, requirements of Specification 270000 Telecommunications Wiring.

B. Grounding shall be per the NEC, local codes, and the additional requirements in ANSI-

J607-A-2002. When there is a code conflict the most stringent requirement shall be followed.

C. Provide design of a Grounding and Bonding Kit for the telecommunications wiring system. (TGB)

D. Where there is a load center co-located in the same room as telecomm equipment, this load center shall be bonded to the ground bar in addition to the load centers normal grounding path.

E. All protection devices, frames, racks, cabinets, and telephone and data equipment shall be bonded to the TGB according to NEC, and the additional requirements in

ANSI/TIA/EIA-607, Commercial Building Grounding and Bonding Requirements for

Telecommunications.

F. Grounding paths to the ground bar shall be kept short (under 1 meter (3.3 ft), install additional isolated ground bars as needed). Do not form ground loops.

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G. When compatible or more stringent than code, follow grounding instructions of the equipment manufacturer.

2.10 EQUIPMENT PROTECTION

A. Transient Voltage Surge Suppression (TVSS) shall be provided at a dedicated electrical distribution panel for each EF, ER, and TR, and at the receptacle level in the rooms.

See http://www.fs.fed.us/database/acad/csispecs/16120.doc for specifications.

2.11 RACEWAYS

A. General Requirements for Raceways

1. All conduit installations shall meet NEC and the additional requirements in the

BICSI TDM manual.

2. Be bonded and grounded according to ANSI J-STD-607-A.

3. Changes in direction shall be sweeping bends or pull boxes.

4. Maximum of 30 m (100 ft) between pull boxes where installed above ground.

5. Minimum burial depths shall be per NEC Chapter 3.

a. A pull cord shall be installed in all backbone and innerduct tubing.

B. Conduit

1. Provide acceptable Conduit Products, Product Materials, Sizing and Installation

Requirements in design and specifications.

C. Cable Trays (Link to Web site)

1. Specify trays with listed factory manufactured tees, crosses, risers, elbows and other fittings of the same material as the main sections.

2. Cable trays shall be provided in ER and TR rooms above equipment racks and

“T” cross sections to all walls for support of cables to work stations and all external connections. See sample drawings at end of this section.

3. Main wire distribution system shall be cable trays thu hallways and large office corridors above suspended ceilings or un crawl spaces.

D. Wire Basket Support System Link to Web site

1. Listed straight sections of continuous wire mesh, field formed horizontal and vertical bends, tees, drop outs, supports and accessories.

2. Main wire distribution system shall be cable trays thu hallways and large office corridors above suspended ceilings or un crawl spaces.

E. Innerduct Tubing

1. HDPE (high density polyethylene) shall be used designed for installation of fiber-optic cables.

2.12 CABLE SUPPORT HARDWARE

A. Design shall specify cable supports that protect cable from damage due to weight of wiring bundles during or after installation.

B. Maximum distance of supports for cables is 18”.

C. Supports may include cable hooks, wire ties and mounting bases, brackets, clips, or other similar devices to provide support or bundling for cables.

http://www.fs.fed.us/database/acad/csispecs/16120.doc

06/19/2009 Telecommunications Wiring Systems Design Guidelines Page 17 of 54

D. J hooks and D rings shall be used only for branch runs from main spine cable tray or wire baskets.

E. The supports shall be permanently mounted by screws or other mechanical means. Glue mounted devices are not allowed.

2.13 COPPER WIRE AND CABLES

A. See specifications 270000 for detailed specifications on copper cables and conductors

B. General Copper Wire and Cable Requirements

1. Design and Specifications shall meet:

a. Mechanical and transmission performance specifications listed in

ANSI/TIA/EIA-568-B.2 and ANSI/TIA/EIA-758A.

b. Design Specification shall provide installation requirements unless manufacturer installation instructions require different installation methods.

Notify CO in writing and request approval to follow manufacturer installation instructions.

C. Underground Inter-Building Copper Cable for Voice/Data and Other Purposes

1. Shall be outside plant (OSP) type cable, shielded, twisted pair, minimum 25 pair, 24 AWG solid copper, moisture resistant filled, listed for direct burial, and installed in underground PVC conduit. See 260400 for specifications.

2. Design shall specify the pair number required.

3. Pair configuration shall match cable pair and terminate on type 110 block.

4. Install a minimum of one approved 25- pair outside plant type cable from the ER to all inter-building TR’s.

5. Provide sufficient OSP, 25 pr. #24 AWG PVC jacketed communications CAT 6 copper cable for analog phone lines and radio control, paging between buildings

(CAT 3 allowed when runs are greater than allowed limit).

6. Lightning Protection for Inter-Building Copper Cables

a. See Terminations and Connections

D. Intra-Building Copper Cable

1. General Design Requirements

a. The insulation and jacket types shall be CM or CMG for general wiring, CMP for Communications plenum, CMR or CMP for riser.

b. Under-carpet wiring and flat wiring are not allowed.

c. Cabling within ceilings used as a plenum for environmental air must conform to NEC fire ratings.

2. Horizontal Cabling

a. Use between the WAO or printer, copier, and fax machine locations and the patch panel in a TR or the ER Room in smaller buildings.

i. Two (2) continuous (no splicing allowed), horizontal cables shall be installed the TR (ER) to each WA telecommunications outlet/connector.

ii. The maximum cable length between the TR to WA telecomm outlet/connector shall not exceed 90 m (295 ft).

3. Backbone Cabling

a. Large or Multi–Storied Buildings – Voice/Data

06/19/2009 Telecommunications Wiring Systems Design Guidelines Page 18 of 54

i. Use between ER and TR’s

ii. CAT 6 cable; 25-pair, unshielded twisted pair (UTP), solid copper wires

iii. Copper cable is restricted to a home run cable length of < 295 feet (90 meters) between ER and TR spaces.

1. See Section 2.14 for Fiber Optic Backbone cabling information.

iv. Two 25 pair cables may be required from the ER to all Intra-building

TR’s in the star topology layout.

1. Each TR is wired to the ER main cross-connect or to an intermediate cross-connect then to a main cross-connect.

b. Other telecommunications applications

i. Provide copper cable, as necessary, between all ER and TR rooms to support other digital applications, paging applications, video-conferencing, and analog phone and fax applications.

ii. Specify appropriate cabling for these applications

iii. Copper cable shall terminate with stand-offs on a type 110 block.

iv. Pair configuration shall match cable pair.

v. Cable does not have a length limit for these applications.

2.14 FIBER OPTIC CABLES

A. See 270000 for detailed technical specifications

B. General Design Requirements

1. All fiber optic cables, equipment and terminations shall comply with

ANSI/EIA/TIA specifications.

2. The insulation and jacketing for fiber optic cables shall be type OFN, OFNG for general wiring, type OFNP for plenum applications, and type OFNR or OFNP for riser applications.

3. Cables, connectors (usually SC), and equipment shall be approved for the location installed.

C. General Fiber Optic Backbone Requirements

1. Fiber optic backbone cables shall extend horizontally and/or vertically from the

ER in a physical star topology (See Figure 7.1 Graphical representation).

a. Each TR is connected to the ER via a main cross-connect or an intermediate cross-connect then to a main cross-connect.

2. Install fiber optic backbone cables for:

a. All inter-building connections with cable lengths greater than 95 m (295 ft) between EF and ER or ER and TR.

b. All intra-building connections with cable lengths greater than 95 m (295 ft) between EF and ER or ER and TR.

D. Intra-Building Backbone Cabling

1. Used from TR to ER if distances are greater than 295 to 300 feet between the terminations.

2. Backbone Fiber optic cabling, if required, will be identified in the special requirements section and shall consist of twelve 62.5/125 µm or 50/125 µm multimode fiber strands.

06/19/2009 Telecommunications Wiring Systems Design Guidelines Page 19 of 54

E. Inter-Building Underground Backbone

1. Cables designed to be installed exterior to building(s) shall also be a moisture resistant outside plant type filled.

2. Fiber Optic cable installation shall be in inner duct within underground rated minimum 4” Sch 40 PVC conduit.

3. Provide a separate conduit from telecommunications conduits for inter building fire alarm systems, minimum 3” sch 40 PVC

4. Design shall provide a minimum of twelve, or 50/125 µm, multimode fiber strands . and four single mode fibers.

2.15 TERMINATIONS AND CONNECTING HARDWARE

A. Access provider Terminations

1. Access Provider/Telephone Company Interface

a. The Designer and installation contractor are required to coordinate with the

Access provider and USFS FMST project manager for design and installations for the demarcation point. The Designer/Contractor shall be responsible to insure the demarcation work is completed and that all copper telecommunications lines by Access provider are terminated on a BPD

(Building Protection Device). Each termination shall be labeled for identification by the tenant.

b. Designer shall ensure that installation designs require a listed (UL) standard

5-pin protector gas module be provided for each pair entering or leaving the

EF.

c. Access to the building electrical ground must be provided within 1.5 (5 ft) of the conductive cable terminations in the EF in accordance with applicable codes.

i. The cable metal sheath must be grounded and bonded to the telecommunications grounding and bonding system.

ii. Provide connection to the building electrical equipment grounding systems, including water piping Ufer grounding system and any other electrodes used for building service grounding system.

B. Copper Terminations

1. General Termination Requirements

a. Recommend Service loops or slack wire shall be provided in each copper cable terminating at the TR termination devices to provide a minimum of 1 m (3.3 ft) of slack for maintenance or re-termination purposes.

b. Provide a 300 mm (1 ft) minimum of each cable terminating at each telecomm outlet box.

i. This slack shall not be coiled or stuffed in the outlet box or conduit, but left loose in cavity above or below the wall, freely accessible by gentle pulling from the outlet box.

2. Underground Inter-Building Backbone

a. Terminate backbone cables on the specified protector blocks at both ends.

b. The cable metal sheath shall be grounded and bonded to the telecommunications grounding and bonding system at both ends.

06/19/2009 Telecommunications Wiring Systems Design Guidelines Page 20 of 54

c. Terminate backbone cables on the specified building entrance protectors

(BEP) at both ends.

i. Install an UL listed standard 5-pin protector gas module for each pair at each end.

3. Intra-Building Horizontal

a. Terminate each WAO cable separately with T568 A telecommunications outlet connectors in CAT 6 patch panels at the TR (or ER in smaller buildings).

4. Patch Panels terminations

a. CAT 6 Patch Panels

i. Shall be standard 19-inch rack mountable modular T568 A,

ii. Shall have a minimum of 25% additional unused capacity,

iii. Shall normally be a 48 port panel (maximum size)

1. A 24 port panel may be used in TR’s supporting smaller areas or building when justified and approved by the CO.

iv. Shall include front, side, and rear cable management, icon label holders, designation labels, cable ties, mounting hardware.

v. Shall minimize patch cord length in the layout of the equipment racks and the patch panels to WAO locations.

1. Example: Layout patch panels with voice patch panel followed by data patch panel. Data port panel location for each WAO shall be immediately below the voice port panel.

C. LIU -- Light Interface Unit - Fiber Optic Panel Terminations

1. Shall be standard 19” rack mountable with SC style connectors, fiber managers, port designation labels, strain relief hardware, cable ties, and mounting hardware.

a. A wall mounted unit may be used in TR’s, if approved by the Contracting

Officer.

2. Light interface units (LIU) or termination enclosures shall be installed at both ends of Fiber Optic cables for terminations.

a. Recommend 3 m (10 ft) slack for fiber optic cables.

b. Store cable slack in an extended loop or in a figure-eight configuration.

c. Designer shall specify the connectors for use on all fiber strands when fiber optic cable is connected to fiber optic cable.

D. WAO -- Work Area Outlets (Workstation outlets)

1. General Requirements

a. Work Area Outlet (WAO) telecommunications outlet shall be CAT 6 for copper cable terminations.

i. Each WAO shall consist of a minimum two RJ-45 CAT 6, 8-pin modular T 568 A connectors with home run cabling to TR, or ER, patch panels.

ii. Additional WAO locations are required for printers which should be identified in the Electrical Load Listing.

1. If printers are not defined as to locations, locate one printer per

6 to 10 work areas (based on the number of printers listed in the load listing).

06/19/2009 Telecommunications Wiring Systems Design Guidelines Page 21 of 54

b. WAO’s shall be located within 1 m [3 ft] of an electrical outlet and installed at the same height, if possible, as the nearby electrical outlets for wall, systems furniture, or power poles.

c. Telecommunications box and outlets shall be recessed so that faceplate covers can be flush mounted to the surface.

d. If grid layout is required for open work areas in the office space, use the following additional information in the design.

i. Grid Layout is required when open space dimension exceeds 20 feet in any direction, telecommunication outlets shall be mounted in a common recessed floor box with the electrical power supply outlets.

ii. See referenced electrical and telecommunications specification for information about the grid layout requirements and acceptable floor box products.

iii. Add spec for modular furniture

e. See 27000 for flor box specifications

2. Copper Cable Connectors – WAO

a. Provide RJ-45 modular Jack color shall be consistent with other plate colors, icon colors shall be coded to represent the following applications:

voice/data - blue, spare – gray.

i. Other colors as required shall be used: Analog, white; Video – green;

radio – red.

b. WAO connectors shall be wired to ANSI/EIA/TIA 568 A as shown in

Figure 7.1 – Eight Position T568 A Jack Pin/Pair Assignments and per

Table 7.5 – T 568 A Color Codes.

3. Fiber Optic Cable Connectors -- WAO

a. If this project has fiber optic connections to the work area outlets, consultation with the IT Project Manager is required.

b. Shall be SC style connectors.

c. Jack color shall be consistent with other plate colors, icon colors shall be coded to represent the following applications: voice/data - blue, spare – gray.

i. Other colors as required shall be used: Analog, white; Video – green;

radio – red.

4. Outlet Box -- WAO

a. Wall outlet boxes shall be no smaller than 50 mm (2”) wide, 75 mm (3”) high, 64 mm (3½”) deep, and have the capability to accommodate one or two 21 mm (¾” trade size) conduits.

5. Work Area Faceplate Covers

a. Wall faceplates shall fit the installed outlet box, 3-4 ports, flush mountable, with label designations and covers, icons, and dust covers for unused ports.

6. Conference/Training, Interview/Meeting and Equipment Rooms:

a. Faceplate Covers shall fit the installed telecommunications outlet box, flush mountable, with label designations and covers.

b. Provide along each wall at one per eight linear feet.

c. Provide additional groupings of two outlets by each side of a white board or screen location on the walls.

06/19/2009 Telecommunications Wiring Systems Design Guidelines Page 22 of 54

d. This room will require a floor grid layout with recessed boxes per the referenced Electrical Power Specification.

i. Provide a combine outlet box with power supply and telecommunications outlet/connectors that will allow the use of 2-4 computers, or 2 phones and 2 computers during expanded dispatch use, from each floor box.

ii. Effectively each floor grid b

7. Systems Furniture

a. Outlet faceplate covers shall fit the furniture raceways supplied with furniture.

b. The contractor shall coordinate with the designer/supplier of the systems furniture, or the Government to determine:

i. Number of faceplate covers required for systems furniture.

ii. A list of acceptable faceplate covers with manufacturer name and faceplate covers models that will fit the furniture outlets.

2.16 ANALOG PHONE AND RADIO TELECOMMUNICATIONS OUTLETS

A. Any additional telecommunications outlets for analog phone and radio control locations shall be CAT 6.

B. Each telecommunications outlets for these purposes shall consist of a minimum of two

CAT 6 wires and modular connectors T568 A with home run cabling to ER patch panels provided for these systems. RJ-45 CAT 6 jacks shall be used at all locations.

C. Copper Cable Connectors

1. Jack color shall be consistent with other plate colors, icon colors shall be coded to represent the following applications: voice/data - blue, spare – gray.

i. Other colors as required shall be used: Analog, white; Video – green;

radio – red.

D. If analog phone and radio control locations are required, the number of circuits and outlets for these phone or radio locations should be identified in the General Electrical

Load Listing.

1. If Analog phone locations are not defined, provide one analog phone location for

20 employees at an open wall location near entry location to the area or an adjacent and unsecured special use room.

2. If Radio Control outlets are required by SFO, but the locations are not defined in the Electrical Load Listing, place one in Administrative Support area(s), one in

Fire Management area(s), one in Fire Management Staff Office, and any…