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OSP Outside Plant “its as simple as diggin’ holes and settin’ poles”

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Page 1: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

OSP Outside Plant

“its as simple as diggin’ holes and settin’ poles”

Page 2: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

OSP Diggin’ and Settin’

Presented by:

John C. Adams

RCDD / OSP Designer

Authorized Design Training Provider (ADTP)

SME-TL BICSI OSPDRM

Owner- Adams Telecomm

“A Veteran Owned Small Business”

Page 3: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

OSP Design Considerations

AGENDA

Defining “OSP”

Relevant documents

Placement methods- Pros and Cons

Questions and answers

Page 4: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Defining “OSP”

ANSI/TIA-758-B Customer Owned Outside Plant

Telecommunications Infrastructure Standard

“Telecommunications infrastructure designed for installation exterior to buildings”

Page 5: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Defining “OSP”

BICSI

“Telecommunications infrastructure that is designed and installed externally to buildings and typically is routed into an Entrance Facility”

Page 6: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Relevant Documents

PROBLEMs

Contradictions between them

Very few OSP designers have them

Even less have ever read them

And even fewer understand them because they’ve never done the work themselves

Page 7: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

OSHA

Which OSHA standard should we use for working in our maintenance holes?

29CFR (Code of Federal Regulations)

1910.268 Telecommunications

Sub–paragraph “o”

Underground Lines

Page 8: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

OSHA

Using 29 CFR 1910.146

Permit Required Confined Spaces (PRCS)

1. Will cost you more money?

2. Is not required?

3. Requires extensive record keeping by the “owners” of the confined spaces

Page 9: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Placement Methods

What are the main methods of placement?

Sounds like a fairly simple, straightforward question but is it?

Depends on which one of those umpteen relevant documents we spoke of earlier

Page 10: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Placement Methods

• IEEE C2-2012 Two methods mentioned

Overhead and Underground

• BICSI OSPDRM Three mentioned

Underground, direct-buried, and aerial

• AT&T OSP handbook- Three mentioned

Underground, aerial, and buried

• ANSI TIA-758-B Four mentioned

Aerial, direct-buried, underground and tunnels

Page 11: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Placement Methods- Aerial

PROs Can be inexpensive

Maintenance can be easier

Can be constructed very quickly

No confined space issues

May be easier to please the EPA

Page 12: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Placement Methods- Aerial

CONs Can be expensive (make ready charges)

Clearance problems (roads, driveways)

May need to be relocated at your expense

May violate local restrictions (no aerial)

Subject to environmental issues especially in light storm loading areas (NESC)

Page 13: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Placement Methods- Aerial

CONs You thought you’d see

Unsightly or aesthetically displeasing

Not in the eye of this beholder.

Aerial and ugly aren’t always synonymous

Page 14: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Placement Methods- Underground

PROs

Easier to add, remove, replace than some other placement methods

Aesthetically pleasing

Provide physical protection

Page 15: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Placement Methods- Underground

CONs

High initial cost

Require a more detailed route plan

Provides a possible pathway for gas, water, and/or insects into a building

Page 16: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Placement Methods- Direct Buried

PROs

More aesthetically pleasing

Lower installation cost

Easy to bypass obstructions

Page 17: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Placement Methods- Direct Buried

CONs

Not flexible for future changes, adds, etc.

No physical protection for cables

May be difficult to locate

May provide a pathway for gas, water, and insects into a building

Page 18: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Placement Methods

WHICH METHOD TO CHOOSE ?

Page 19: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Considerations

MONEY

Do you have an idea how much money your customer can afford? What can you afford?

Should you give them a recommendation plus options (grocery list)?

Are you competent/confident enough to explain cost vs. benefits and be believable?

Page 20: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Considerations

Environment

Bodies of water

Topography

Soil type (or lack thereof)

Swamps, wetlands, etc.

Local restrictions

Weather

Page 21: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Considerations

Customer

Techies? Non-techies?

Future plans (buildings, land purchase)

Private road improvements

Buildable land on their property

Past experiences (good and bad)

Their preference (what a novice idea)

Page 22: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

POLES (owned by others)

1. Who owns the poles?

2. Will they let you use them?

3. Make ready charges

This can mean “make your wallet ready”

4. Annual fees for attachments

5. Moves/rearrangements (costs, disruption, )

Aerial Placement

Page 23: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive
Page 24: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

POLES (new)

Height for clearances (NESC, local rules, etc.)

30’, 35’, 40’, and 45’ will be 99% of your poles

Class ( 4, 5, 6, 7 will be 99% of your poles)

Wood species (cedar, pines, firs…..)

Treatments acceptable to the EPA

pentachlorophenol, creosote, chromated

arsenicals, others

Aerial Placement

Page 25: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

POLES (new)

Steel poles

Up to 1” walls, 200 ft. high, and 8’ diameter

Concrete poles

25, 30, 35, 40, 45’ readily available

Rated breaking strength not as high as wood

These poles can be “beautified” with paint

Aerial Placement

Page 26: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Guying

Overhead, dead-end, corner, sidewalk………

Slack span

Push braces

Strand sizes

Guy guards

Guy termination devices

Lead to height ratio

Aerial Placement

Page 27: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Anchors (which depend on soil types)

Swamp

Expansion

Screw

Concrete

Plate

Cone

Aerial Placement

Page 28: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Strand (messenger)

Size 6M, 6.6M, 10M, 16M, and 25M

Rated breaking strength

Termination devices

Notes- “M” doesn’t mean 1000

6.6M is smaller but stronger than 6M

Aerial Placement

Page 29: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Other considerations

• Depth of pole (usually 10% plus 2 feet)

• Storm loading districts (new ones added)

• Grade of Construction (B, C, N)

• Pole spacing

• Attachment spacing (vertically)

• Pole line hardware

Aerial Placement

Page 30: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Underground Placement

Maintenance Holes (not manholes)

Size 6’ x 7’ x 12’ (38Y or Y38) very common

Size 6’ x 7’ x 8’ or 10’ cost savings?

Splayed or center window debate

How many conduits in and out?

Material (fiberglass, concrete)

Traffic ratings (H-5, H-10, H-20)

This may be written as HS-20 etc.

Page 31: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive
Page 32: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Underground Placement

Maintenance Holes

Use existing MHs?

Overbuild or rebuild existing?

Storing slack (how much slack to leave)

Another debate

Grounding / Bonding provisions

Racking (how many?)

Frames, covers, collars

Page 33: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Underground Placement

Handholes (holes for your hands only)

Material (fiberglass, concrete)

Sizes 4’ x 4’ x 4’ (ANSI) 4’ x 6’ and others

Conduits in and out (ANSI says three max.)

Lids / Covers

Splices are now allowed (use common sense)

Not recommended for making turns

Page 34: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Underground Placement

Conduit

Us old people got used to terra cotta, wood, and concrete

You young people should consider using other recognized conduits frequently used in the telecommunications business today

•

Page 35: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Underground Placement

Conduit

Why do contractors choose one over the other?

1. The specifications call for it

2. The almighty dollar calls for it

3. Car load sale (as in train car load)

Page 36: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Underground Placement

Innerduct

Choices- plastic, fabric mesh, or multi cell

Plastic has been around forever

Fabric mesh seems to be taking over due to better utilization of all the internal conduit space rather than just some of it

Multi cell has a lot of limitations

Page 37: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Underground Placement

Backfill Requirements

Once again, sounds easy doesn’t it?

Backfill is backfill ! Dirt is dirt, right?

Page 38: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Underground Placement

Backfill Requirements

Possible scenarios to meet “backfill” specs

¾ aggregate

(could be known as select backfill)

Native soil placed in layers (or tiers)

Compacted to various psi at multiple levels

Slurry (flowfill, “cheap concrete”, etc.)

Page 39: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Underground Placement

Concrete

That’s an easy design spec to write, correct?

No, it’s not easy. Lots to think about

Page 40: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Underground Placement

Concrete

PSI rating (3000 to 4000)

Spacing between pipes

Side wall , top and bottom thickness

Cap only (how thick?)

Slump

Vibrated

Tie down method if required

Page 41: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Underground Placement

Other Considerations

Hard surface cuts, bores, or casing

Landscaping (nightmare if not done correctly)

Other UG obstacles

NESC clearances

EPA issues

Confined spaces

Page 42: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Direct Buried Placement

Which direct buried method to choose?

Machine trencher

Backhoe

Wheel trencher

Plow (vibratory, static, rip)

Hand digging

Auger bores

Page 43: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Direct Buried Placement

Which direct buried method to choose?

Most of these are the same for UG placement

1. Normally the designer doesn’t get to choose the method of placement

2. You can choose depth, restoration, boring method, backfill, etc.

3. How many other utilities are buried or UG?

4. Topography and soil conditions

Page 44: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Direct Buried Placement

What’s the cost of each method?

Obviously this depends on a lot of things

Soil

Other utilities

Topography

How hungry are the subs?

Total footage to place

Page 45: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Direct Buried Placement

Other Considerations

Historical areas

EPA issues

Topography

Working space for equipment

Permit restrictions (railroads, etc.)

Adequate depth (additional protection?)

Page 46: OSP Outside Plant - BICSI Outside Plant “its as simple as diggin’ holes and settin’ poles” ... May be easier to please the EPA . Placement Methods- Aerial CONs Can be expensive

Final Thoughts

The “ideal” OSP engineer has done, or completely understands, all facets of OSP

installation and maintenance. If you’re weak in a particular area, find out how and where to

improve that weakness

“OSP is inherently dangerous”


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