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BICSI BREAKFAST CLUB Honolulu, Hawaii 2008. OUTSIDE PLANT INFRASTRUCTURE. OUTSIDE PLANT. Presented by: John C. Adams RCDD/OSP Specialist BICSI Master Instructor Owner- Adams Telecomm. AGENDA. ANSI Standards (OSP related) Bonding and Grounding Terms ANSI Outside Plant Standard
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BICSI BREAKFAST CLUBHonolulu, Hawaii 2008 OUTSIDE PLANT INFRASTRUCTURE
OUTSIDE PLANT Presented by: John C. Adams RCDD/OSP Specialist BICSI Master Instructor Owner- Adams Telecomm
AGENDA • ANSI Standards (OSP related) • Bonding and Grounding Terms • ANSI Outside Plant Standard • Key Areas of Outside Plant (OSP) • Safety Issues (OSHA) • National Codes
ANSI Standards ANSI American National Standards Institute TIA Telecommunications Industry Association EIA Electronic Industries Alliance
ANSI Standards • ANSI/TIA/EIA- 568-B.1 Commercial Building Telecommunications Cabling Standard • Specifies minimum requirements for telecommunications cabling within a commercial building up to and including the telecommunications outlet/connector, and between buildings in a campus • Specifies component requirements, cabling distances, telecommunications outlet and connector configurations and recommended topologies
ANSI Standards ANSI/TIA-569-B covers: • Inter-building Backbone Cables • Telecommunications Rooms (TR) • Equipment Rooms (ER) • Entrance Facilities (EF) • Clearances • Firestopping
ANSI Standards ANSI/TIA- 569-B OSP Sections • Pathways include aerial, direct buried, underground, and tunnels • Cable trays and conduit • Appendix A Firestopping
ANSI Standards ANSI/TIA/EIA-606-A • Administrative Standard for Commercial Telecommunications Infrastructure
ANSI Standards ANSI/TIA/EIA-606-A • In a nutshell, everything has to have a “unique identifier” that should last the lifetime of what you’ve labeled.
ANSI Standards ANSI-J-STD-607-A Grounding (Earthing) and Bonding Requirements for Telecommunications
Bonding and Grounding Terms TMGB (Telecommunications Main Grounding Busbar) • Serves as the dedicated extension of the building grounding electrode system for the telecommunications system • Must be accessible to telecomm personnel • Extensions of the TMGB will be identified as TGBs
Bonding and Grounding Terms TMGB • Locate the TMGB as close as possible to the primary protection for incoming cables • A minimum of #6 AWG shall be used for connections to the TMGB withconsiderationup to 3/0 for extended lengths of bonding conductors
Bonding and Grounding Terms TGB (Telecommunications Grounding Busbar) • Common central point of connection for telecommunications systems and equipment in the location served by that telecommunications closet or equipment room
Bonding and Grounding Terms TBB (Telecommunications Bonding Backbone) • Serves to interconnect all TGBs to the TMGB • Shall be an insulated copper conductor • Minimum size shall be a #6 AWG with consideration up to a 3/0 AWG
ANSI Standards ANSI/TIA-758-A Customer Owned Outside Plant Telecommunications Infrastructure Standard
ANSI/TIA- 758-A • Telecommunications in this standard refers to all forms of information, for example: Voice, Data, Video, Alarm, Environmental Controls, Security, and Audio
ANSI/TIA-758-A Maintenance Holes Shall be equipped with: • Corrosion resistant pulling irons • Corrosion resistant cable racks • Sump for drainage AND SHALL NOT BE SHARED WITH ELECTRICAL INSTALLATIONS
ANSI/TIA-758-A Handholes • Shall not be used in place of a MH • Shall not be used for splicing • Shall not be shared with electrical • Shall not exceed 4’ x 4’ x 4’ • Should not be used in runs of more then (3) trade size 4 conduits • Conduits should be aligned on opposite sides and at the same elevation
ANSI/TIA- 758-A Fiber Optic Cable • Bend radius shall be no less then 20 times the cable diameter during installation and 15 times after installation • Accurate OTDR tests require a minimum of 100 meters or 328 feet
What’s the purpose of standards? • To establish a basis to quantify, compare, measure or judge: capacity, quantity, content, extent, value, and quality • To promote interoperability of components and systems by multiple manufacturers.
Why do we have to know them? • To resolve potential disputes • Produce the results expected • Know when and where they apply
Key Areas of OSPPlanning and Installation Existing Buried Utilities • Staking / flagging / painting within 24” shall be considered a good mark • The potholing method will be used to determine the EXACT location of the utility before proceeding with construction • Potholing in road surfaces shall be no greater then 12” x 12”
Key Areas of OSP Backfilling the trenches • Can we use native soil? • Compaction? • Concrete encasement / capping • Flow-able Fill (Slurry) • Reseeding or Sodding
Key Areas of OSP Road or Parking Lot Excavation • Paved roads will be restored to original thickness or a minimum of ? thick • Areas that are excavated must be restored within ? hours • What method? Cut and restore, bore, casing, etc
Key Areas of OSP Handholes • Are used to aid in the placement of cables • Will not be used in place of a MH nor placed in a main conduit system • Will not be shared with electrical
OSP Handholes • Minimum size is a 4’ x 4’ x 4’ and larger sizes are acceptable (ANSI accepted?) • Will be equipped with lid, pull irons, cable racks, and hooks.
Key Areas of OSP Ducts • Duct shall be made of PVC • Shall be Schedule , EB, DB, RNC 40 or 60 RMC, HDPE, or IMC • Use 40 or DB if the duct is to be concrete encased or direct buried. (EB can be used only for concrete encased runs) • Use spacers every 5’ on all 20’ lengths of conduit (concrete blocks ?)
Key Areas of OSP • No more then two (2) 90 degree bends or a total of 180 degrees of bends between any two pulling points • Back to back bends should be avoided
Key Areas of OSP Rod and Mandrel • Existing vacant ducts, without pull strings, that are to be used for new cable installation shall be cleaned and tested with a mandrel. • Mandrel must be no more then ½” less then the ID of the duct. Mandrel must be non-flexible and be approx. 12 inches long
Key Areas of OSP Grounding (coming into buildings) • Ground wire must be a minimum #6 AWG • Must be done without sharp bends • Must be placed as short as possible • Must be 25 ohms or less (per NEC)
Key Areas of OSP Quality Assurance • Who does the OSP inspections at your institute? • Are they qualified or were they the one person that knew the most about OSP?
Safety Procedures All work performed will comply with: OSHA Occupational Safety and Health Administration
OSHA The main areas of OSHA for OSP are: 29 CFR 1910.268 Telecommunications 29 CFR 1910.146 Permit Required Confined Spaces (PRCS)
OSHA 1910.268 (e) Personal Protective Equipment (PPE) • Gloves, (insulated or rubber if required) • Hardhats/Helmets (Class B type) • Eye Protection (side shields if required)
OSHA 1910.268 (o) (2)Entering a MH or unvented vault • The internal atmosphere must be tested for combustible gas and, except where continuous forced ventilation is provided, the atmosphere must be tested for oxygen deficiency (less then 19.5%)
OSHA 1910.268 (o) (2) (i) (B) • When unsafe conditions are detected by testing or other means, the work area shall be ventilated and otherwise made safe before entry
OSHA 1910.268 (o)(2)(ii)(B) A continuous supply of air shall be provided while work is being performed in MHs under these conditions: • Combustible or explosive gas was initially detected • Organic solvents are being used • Using open flame
OSHA 1910.146 Confined Spaces (definition) • Is large enough and so configured so that an employee can bodily enter and perform assigned work • Has limited or restrictive means for entry and exit • Is not designed for continuous employee occupancy
OSHA 1910.146 Permit Required Confined Space (PRCS) (definition) • Any space (open trench, maintenance hole etc.) that has the potential to contain a hazardous atmosphere, material that has the potential for engulfing, or contains any recognized safety or health hazard requires a permit to enter.
PRCS Entry • What happens next when a conventional confined space becomes a PRCS? • Is the procedure for entering this space any different then any other confined space? YES !!
CODES Code • A rule intended to ensure safety • Typically enforced by government • Addresses the safety of persons, property, and the environment
CODES The Main codes for OSP: • NESC (2007 Edition) National Electrical Safety Code • NEC (2008) National Electrical Code • OSHA Code of Federal Regulations (CFR)
NESC • Published by the IEEE Institute of Electrical and Electronic Engineers • Minimum safety requirements • Is mainly OSP oriented (95%) • Used as the basis for R/W permits • Revised every three years • Contains “should” and “shall” • “Practical and “Possible”
Important NESC Sections • Section 1 Rule 012 General Rules • Section 1 Rule 013 Application • Section 2 Definition of Terms • Section 9 Grounding Methods • Part 2 Safety for Overhead Lines • Part 3 Safety for Underground Lines • Storm Loading Calculations
NEC • Published by the National Fire Protection Association (NFPA) • Also called the NFPA-70 • Revised every three years • Minimum safety requirements • Contains “shall” and “should” • Used extensively by the AHJ
Important NEC Sections • Section 90-2 Scope • Article 100- Part A- Definitions • Article 250- Grounding and Bonding • Article 300- Wiring Methods • Article 770- Fiber Optics • Article 800- Communications • Article 820- CATV • Article 830- Network Broadband
MAHALO FOR YOUR TIME AND ATTENTION