1 / 47

BICSI BREAKFAST CLUB Honolulu, Hawaii 2008

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

Télécharger la présentation

BICSI BREAKFAST CLUB Honolulu, Hawaii 2008

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. BICSI BREAKFAST CLUBHonolulu, Hawaii 2008 OUTSIDE PLANT INFRASTRUCTURE

  2. OUTSIDE PLANT Presented by: John C. Adams RCDD/OSP Specialist BICSI Master Instructor Owner- Adams Telecomm

  3. AGENDA • ANSI Standards (OSP related) • Bonding and Grounding Terms • ANSI Outside Plant Standard • Key Areas of Outside Plant (OSP) • Safety Issues (OSHA) • National Codes

  4. ANSI Standards ANSI American National Standards Institute TIA Telecommunications Industry Association EIA Electronic Industries Alliance

  5. 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

  6. ANSI Standards ANSI/TIA-569-B covers: • Inter-building Backbone Cables • Telecommunications Rooms (TR) • Equipment Rooms (ER) • Entrance Facilities (EF) • Clearances • Firestopping

  7. ANSI Standards ANSI/TIA- 569-B OSP Sections • Pathways include aerial, direct buried, underground, and tunnels • Cable trays and conduit • Appendix A Firestopping

  8. ANSI Standards ANSI/TIA/EIA-606-A • Administrative Standard for Commercial Telecommunications Infrastructure

  9. 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.

  10. ANSI Standards ANSI-J-STD-607-A Grounding (Earthing) and Bonding Requirements for Telecommunications

  11. 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

  12. 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

  13. 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

  14. 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

  15. ANSI Standards ANSI/TIA-758-A Customer Owned Outside Plant Telecommunications Infrastructure Standard

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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.

  21. Why do we have to know them? • To resolve potential disputes • Produce the results expected • Know when and where they apply

  22. 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”

  23. Key Areas of OSP Backfilling the trenches • Can we use native soil? • Compaction? • Concrete encasement / capping • Flow-able Fill (Slurry) • Reseeding or Sodding

  24. 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

  25. 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

  26. 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.

  27. 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 ?)

  28. 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

  29. 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

  30. 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)

  31. 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?

  32. Safety Procedures All work performed will comply with: OSHA Occupational Safety and Health Administration

  33. OSHA The main areas of OSHA for OSP are: 29 CFR 1910.268 Telecommunications 29 CFR 1910.146 Permit Required Confined Spaces (PRCS)

  34. 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)

  35. 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%)

  36. 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

  37. 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

  38. 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

  39. 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.

  40. 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 !!

  41. CODES Code • A rule intended to ensure safety • Typically enforced by government • Addresses the safety of persons, property, and the environment

  42. CODES The Main codes for OSP: • NESC (2007 Edition) National Electrical Safety Code • NEC (2008) National Electrical Code • OSHA Code of Federal Regulations (CFR)

  43. 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”

  44. 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

  45. 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

  46. 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

  47. MAHALO FOR YOUR TIME AND ATTENTION

More Related