Exhibit A. NWCPUD Fiber Optic Construction Standards.pdf

FIBER OPTIC CONSTRUCTION STANDARDS

Effective: September 18, 2025

EXHIBIT A

RFP No: 2026004

Highlight

Fiber To The Premises (FTTP) Fiber Optic Construction Services

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Table of Contents

FIBER OPTIC CONSTRUCTION STANDARDS

ADSS Tangent Support

ADSS Support Clamp

Fiber Optic Suspension Unit – Support Mounted

Fiber Optic Suspension Mounted

12” Extension Bracket for Fiber Attachment Hardware

ADSS Fiber Optic Dead-End Limited Tension

ADSS Fiber Optic Dead-End Medium Tension

ADSS Fiber Optic Double Dead-End Limited Tension

ADSS Double Dead-End Medium Tension

ADSS Fiber Optic Cable Single Dead-End

ADSS Fiber Optic Cable Installation Double Dead-End 0 to 90 Degrees

ADSS No Splice Storage Loop

ADSS Storage Loop Dead-End Cable Assembly

Fiber Optic Cable In-Span Storage Assembly

ADSS Pole Mount Vertical Storage Loop

Fiber Optic Cable w/Messenger Tangent Connection

ADSS Fiber Optic Cable Support Clamp on Fiberglass Stand-Off Bracket

Fiber Optic Cable w/Messenger Clamp on Fiberglass Stand-Off Bracket

Tangent Assembly, Series 1000 60” PUPI SPX

6,000# Messenger Single Dead-End

6,000# Messenger Double Dead-End

Fiber Optic Cable 6,000# Guy

Fiber Optic Cable 6,000# Span Guy

Plate Anchor Assembly

Plate Anchor Installation

Helix/Screw-In Anchors

Fiber Optic Cable Conduit Riser

Underground Fiber Optic Installation Vault Installation Guidelines

Underground Fiber Optic Installation 30” x 48” x 36” Fiberglass Handhole

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Underground Fiber Optic Installation 17” x 30” x 24” Fiberglass Handhole

Trench & Conduit Installation Guidelines (1 of 2)

Trench & Conduit Installation Guidelines (2 of 2)

Air Flow Spoiler

Spiral Vibration Dampener

Splicing and Splice Case Placement (1 of 2)

Splicing and Splice Case Placement (2 of 2)

Typical Splice Case Used on Fiber Systems (1 of 2)

Typical Splice Case Used on Fiber Systems (2 of 2)

Typical Installation from OH Splice Case to OH Entry into Premise

Typical Installation from OH Splice to Premise via Riser and UG Conduit

Joint Use Clearance Street Light Exceptions

Joint Use Vertical Clearance Requirements

Joint Use Vertical Clearance at Pole Requirements

Joint Use Vertical Midspan Clearance Requirements

Joint Use Grounding & Bonding

Joint Use New Riser Installation

Joint Use Climbing Space

APPENDIX A – SUPPLEMENTAL RUS SPECIFICATION DRAWINGS

RUS Drawing #241

RUS Drawing #214

RUS Drawing #242

RUS Drawing #203

RUS Drawing #211

RUS Drawing #PM12

RUS Drawing #PM2A

FIBER SERVICE DROP INSTALLATION SPECIFICATION DRAWINGS

Aerial Service Drop Installation

Underground Service Drop Installation Existing Residence/Premise

Underground Service Drop Installation New Construction

NID Installation and Grounding

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ADSS Tangent Support

Bill of Materials

REF# USE Description 1 1 Support Unit (for ADSS Fiber DIA 0.526” 0.575”)

2 1 Bolt, Double Arming 5/8” x 16”

3 2 Washer, Square Galvanized, 2” x 2” x 3/16”

4 2 5/8” Galvanized Nut

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ADSS Support Clamp

1 1 Fiber Dielectric Support 0.65 2 1 Bolt, Double Arming 5/8” x 14”

3 2 Washer, Curved, 2 1/4" x 3/16”, 11/16” Hole

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Fiber Optic Suspension Unit –

Support Mounted

1 1 Support Mounted Suspension Unit with Armor

2 1 Bolt, Double Arming 5/8” x 16”

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Fiber Optic Suspension Mounted

1 1 Fiber Aluminum Support Clamp 2 1 Bolt, Double Arming 5/8” x 16”

3 2 Washer, Square Galvanized, 2” x 2” x 3/16”

4 2 5/8” Galvanized Nut

5 1 5/8” Eye Nut

6 1 1/2” Anchor Shackel

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12” Extension Bracket for Fiber

Attachment Hardware

1 1 12” Extension Bracket

2 1 Bolt, Double Arming 5/8” x 16”

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ADSS Fiber Optic Dead-End Limited

Tension

MAXIMUN INITIAL TENSION = 1000LBS

1 1 Formed Wire DE (For ADSS Fiber DIA 0.513 0.577”) with Thimble Clevis, 14” Ext Link and 5/8” Eye Nut

2 1 Bolt, Double Arming 5/8” x 16”

3 2 Washer, Square Galvanized, 2” x 2” x 3/16”

5 1 Cable Abrasion Protector

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ADSS Fiber Optic Dead-End

Medium Tension

MAXIMUN INITIAL TENSION = 2000LBS

1 1 Formed Wire DE (For ADSS Fiber DIA 0.543 0.577”) with Thimble Clevis, 14” Ext Link and 5/8” Eye Nut

2 1 Bolt, Double Arming 5/8” x 16”

3 2 Washer, Square Galvanized, 2” x 2” x 3/16”

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ADSS Fiber Optic Double Dead-End

Limited Tension

MAXIMUN INITIAL TENSION = 1000LBS

1 2 Formed Wire DE (For ADSS Fiber DIA 0.543 0.577”) with Thimble Clevis, 14” Ext Link and 5/8” Eye Nut

2 1 Bolt, Double Arming 5/8” x 16” 3 2 Washer, Square Galvanized, 2” x 2” x 3/16”

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ADSS Double Dead-End Medium

Tension

MAXIMUN INITIAL TENSION = 2000LBS

1 2 Formed Wire DE (For ADSS Fiber DIA 0.543 0.577”) with Thimble Clevis, 14” Ext Link and 5/8” Eye Nut

2 1 Bolt, Double Arming 5/8” x 16”

3 2 Washer, Square Galvanized, 2” x 2” x 3/16”

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ADSS Fiber Optic Cable Single

Dead-End

1 1 Bolt, Mach, 5/8” x 12”

2 1 Washer, SP Lock Galvanized, 5/8”

3 2 Curved, 2 1/4” x 3/16”, 11/16” Hole

4 1 Nuts TE 5/8”

5 1 Fiber Dead-End ADSS 0.6555 Dia

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ADSS Fiber Optic Cable Installation Double

Dead-End 0 to 90 Degrees

Check utility pole owner requirements for minimum separation between drilled holes.

1 2 Bolt, Mach, 5/8” x 12”

2 2 Washer, SP Lock Galvanized, 5/8”

3 2 Nuts Palnut Lock 5/8”

4 2 Curved, 2 1/4” x 3/16”, 11/16” Hole

5 2 Fiber Dead-End ADSS 0.6555 DIA

6 1 Fiber, Down-Lead Cushion, 0.535

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ADSS No Splice Storage Loop

1 1 In-Span Storage System for ADSS (Cable Size 0.510”-0.575”) Complete with 2 Storage Racks (Horseshoes), Armor Rods, Cable Protection Bracket, and Misc Hardware

2 25 8” Cable Ties

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ADSS Storage Loop Dead-End Cable

Assembly

1 2 Bolt, Mach, 5/8” x 12”

2 2 Fiber Dead-End ADSS 0.655 Dia

3 2 Washer, SP Lock Galvanized, 5/8”

4 4 Curved, 3” x 3” x 1/4L 11/16” Hole

5 2 Nuts Palnut Lock 5/8”

6 1 In-Span Storage System, 0.6555

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Fiber Optic Cable In-Span Storage

Assembly

1 1 In-Span Storage System 0.650 – 0.730 Dia

2 A/R Cable Ties (Tie Wraps)

1 1 In-Span Storage System 0.510 – 0.575 Dia

2 A/R Cable Ties (Tie Wraps)

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ADSS Pole Mount Vertical Storage

Loop

Note: Only to be used when pole owner permission has been granted.

1 1 Vertical Cable Storage Double Arm Complete with 2 Storage Arms with 4 Storage Spools, Cable Protection Bracket, and Misc Hardware

2 2 Machine Bolt, 5/8” x 14”

3 2 5/8” Galvanized Nut 4 4 Washer, Square Galvanized, 2” x 2” x 3/16”

5 3 Downlead Cushion with Hardware

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Fiber Optic Cable w/Messenger Tangent

Connection

See Rus Drawing Numbers 241 and 214 (Appendix A, Sheets 1 and 2) For Additional

Construction Details and Material Requirements.

1 1 Bolt, Mach, 5/8” x 12”

2 1 Washer SP Lock Galvanized 5/8”

3 1 Curved, 2-1/4” x 3/16”, 11/16” Hole

4 1 Clamp, Messenger, Tangent Bolt, Fiber

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ADSS Fiber Optic Cable Support Clamp on

Fiberglass Stand-Off Bracket

1 1 Fiber Dielectric Support 0.65

2 1 Fiber Fiberglass Bracket (Specify Length Per Chart)

3 2 Bolt Mach 5/8” x 12”

4 2 Curved, 2-1/4” x 2-1/4” x 3/16” x 11/16” Hole

5 2 Washer SP Lock Galvanized 5/8”

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Fiber Optic Cable w/Messenger Clamp on Fiberglass

Stand-Off Bracket

1 1 Clamp, Messenger, Tangent, Three Bolt, Fiber

2 1 Fiber Fiberglass Bracket 3 2 Bolt Mach 5/8” x 12”

4 2 Curved, 2 1/4” x 2 1/4” x 3/16”, 11/16” Hole

5 2 Washer SP Lock Galvanized 5/8”

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Tangent Assembly, Series 2000 60”

PUPI SPX

1 1 PUPI Fiberglass Arm, 60”

2 2 Bolt, Mach Square Head Galvanized ¾” x 14” w/ Square Nut

3 2 Washer Square Curved, ¾” HD Galvanized 3” x 3” x 1/4”

4 2 Washer Double Coil, ¾” HD Galvanized Spring Lock

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6,000# Messenger Single Dead-End

See Rus Drawing Number 242 (Appendix A, Sheets 3) For Additional Construction

Details and Material Requirements.

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6,000# Messenger Double Dead-

End

See Rus Drawing Number 203 (Appendix A, Sheets 4) For 60-90 Degree Corners and

Additional Construction Details and Material Requirements.

See Rus Drawing Number 211 (Appendix A, Sheet 5) For Slack Span (False Dead-End) and Additional Construction Details and Material Requirements.

1 1 Bolt DA 5/8” x 14”

2 1 Washers, SP Lock, Galvanized 5/8”

3 2 Curved, 3” x 3” x 1/4”L x 11/16” Hole

4 2 Nuts TE 5/8”

5 1 DE Auto 6m Short Bail

6 A/R Alumoweld 6m 7 Stran

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Fiber Optic Cable 6,000# Guy

See Rus Drawing Number PM12 (Appendix A, Sheets 6) For Sidewalk Guy Details and

Additional Construction Details and Material Requirements.

1. Only attach to existing anchors when anchor owner's permission has been granted.

2. Installation of new anchor locations shall be specified on construction prints or approved by Northern Wasco County PUD.

3. Do not attach guying to existing communication anchors.

4. Do not add auxiliary eye attachments to existing anchors.

1 1 Bolts, Mach, 5/8” x 12” 2 1 Curved, 2 1/4” x 3/16”, 11/16” Hole

3 1 Washers, SP Lock, Galvanized 5/8”

4 1 Guy Hook

5 3 DE Guy Preform 6m

6 A/R Alumoweld 6m 7 Stran

7 1 Guy Strain Insulator, 3/8” Hole, 4 1/4”L, 2 7/8” Dia

8 1 DE Auto 6M Short Bail

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Fiber Optic Cable 6,000# Span Guy

1. Strand attachment height on utility poles will be per construction drawings.

2. Minimum of 18’ clearance to ground is required above any traveled road surface.

3. 40” minimum clearance to any energized conductor, neutral, or as utility pole power requires on construction drawings.

4. Bond all strands to multi ground neutral provided by utility pole owner and make strand continuous between overhead guy and down guy whenever possible.

5. Tension strand per design requirements so as to not overburden existing utility company guying.

1 1 Bolts, Mach, 5/8” x 12”

2 1 Curved, 2 1/4” x 3/16”, 11/16” Hole

3 2 Washers, SP Lock, Galvanized 5/8”

4 1 Nuts TE 5/8”

5 A/R Alumoweld, 6m, 7 Stran

6 4 DE Guy Preform 6m

7 4 Insul Strain, 504, 6m

8 1 De Auto 6M Short Bail

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Plate Anchor Assembly

1 1 Anchor Rod Twin Eye 3/4” x 8”

2 1 Anchor Cross Plate Type, 16” (Includes Nut Retainer)

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Plate Anchor Installation

Plate Anchor

The Cross-Plate anchor is made for installation in holes drilled by power diggers. Because the size of the hole does not affect holding capacity, the same auger that is used to dig the pole holes on transmission projects can dig the hole. Cross-Plate anchors are installed in a diagonal bored hole, which is undercut so the anchor is at right angles to the guy. A rod trench is either cut with a trenching tool or drilled with a small power auger. Both anchor and rod trench should be refilled and tamped.

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Helix/Screw-In Anchors

Helix/Screw-In Anchor

Screw-In Anchors are recommended for softer soil types, including classes 5-7 in the soil classification data chart. They do not work well in rocky soils. Screw-In Anchors are usually installed by a power drive machine. Screw-In Anchors can also be used in applications where an anchor will be embedded in concrete.

Soil Classification Data

Class Common Soil-Type Description Geological Soil Classification

Probe Values in lb. (NM)

Typical Blow Count “N” Per

ASTM-D1586

0 Sound hard rock, unweathered Granite, Basalt, Massive Limestone N/A N/A

Very dense and/or cemented sands; coarse gravel and cobbles

Caliche, (Nitrate-bearing gravel/rock)

750-1600 (85-181) 60-100+

Dense fine sands; very hard silts and clays (may be preloaded)

Basal till; boulder clay;

caliche; weathered laminated rock

600-750 (68-85)

45-60

3 Dense sands and gravel; hard silts and clays Glacial till; weathered shales, schist, gneiss, and siltstone

500-600 (56-68) 35-50

Medium dense sand and gravel; very stiff to hard silts and clays Glacial till; hardpan; marls

400-500 (45-56) 24-40

Medium dense coarse sands and sandy gravels;

stiff to very stiff silts and clays Saprolites, residual soils

300-400 (34-45) 14-25

Loose to medium dense fine to coarse sands to stiff clays and silts

Dense hydraulic fill;

compacted fill; residual soils

200-300 (23-34) 7-14

Loose fine sands; Alluvium; loess; medium – stiff and varied clays; fill

Flood plain soils; lake clays;

adobe; gumbo, fill

100-200 (11-23) 4-8

Peat, organic silts; inundated silts, fly ash very loose sands, very soft to soft clays

Miscellaneous fill, swamp marsh

Less than 100 (0-11) 0-5

Class 1 Soils are difficult to probe consistently and the ASTM blow count may be of questionable value.

***It is advisable to install anchors deep enough, by the use of extensions, to penetrate a Class 5 or 6, underlying the Class 7 or 8 Soils.

1 1 Screw Anchor, 16,000lb

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Fiber Optic Cable Conduit Riser

1 2 Screws, Lag, 1/2” x 4” 2 1 Bracket, Conduit Standoff, 8 1/2”

3 1 PVC Bell End, Size per Conduit

4 1 Conduit Clamp, Standoff Bracket, Size per Conduit

5 A/R PVC Conduit- Size per construction print

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Underground Fiber Optic Installation HandHole/

Vault Installation Guidelines

1. HandHoles or Vaults are never to be placed in vehicle driving surfaces. Shall be rated for H22 loading, occasional vehicle traffic only.

2. All ducts entering or exiting vault will be plugged with compression-type plugs, simplex JM types, or roam seal cables in ducts.

3. Shall be to be placed flush with ground surface, never to cause a trip hazard.

4. Shall be be placed on 5/8” minus gravel or washed pea gravel leveled and compacted to support placement, minimum of 4: of gravel inside vault. Wire mesh material is required to cover the entire bottom of the vault for rodent protection. Wire mesh will be placed under gravel.

5. All innerduct will be extended directly into vaults for fiber pulling purposes. Innerduct will be HDPE

PVC, SRD 9 or 11 orange, smooth outside, longitude ribbed inside. Duct will never extend more than

6: inside vault wall. Entrance hole through side of vault will be drilled or pressed.

6. Conduit shall be schedule 40. Conduits can enter through the bottom of the vault, into a 90-degree fashion, placed in the corners of the vaults.

7. Place fiber cable per manufacturer’s specifications, never pulled or tensioned more than 600 (MRCL) cable load pounds, bend radius of fiber shall be no less than 18”. Tag cables per owner specifications.

8. Racking of fiber coil and splice case is always required. Utilize uni-strut racking and cable shoes.

Secure splice case with tie wraps.

9. Secure lid with provided lock-down bolts.

10. All large vaults require a ground rod and marker sign. Ground rod 5/8” x 8’ copper clad and #6 uncoated solid soft drawn copper.

Marker Placement

Storage and Racking

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Underground Fiber Optic Installation 30” x 48” x

36” Fiberglass Handhole

1 1 Fiberglass Handhole 30” x 48” x 36”

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Underground Fiber Optic Installation 17” x 30” x

24” Fiberglass Handhole

1 1 Fiberglass Handhole 17” x 30” x 24”

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Trench & Conduit Installation Guidelines

(1 of 2)

Trenching and Conduit Installation Requirements:

1. All trenches shall be excavated according to the trench detail and construction design.

2. The trench shall be straight and the bottom smooth, level, and free from rocks, obstructions, and sharp objects.

3. The conduit shall never be bent or kinked, with a minimum bend radius of 26” in 90 Degrees. Conduit will be coupled to withstand 125 psi blowing pressure.

4. Orange fiber optic warning tape shall be placed at 12” above the conduit in trench and plow construction methods.

5. A minimum of one cable plow ripping pass will be made at full burial depth to ensure the conduit route is clear of obstructions. The plowing operation will be continuously observed for depth and proper feeding of conduit in plow shoot.

6. One foot of separation is required between fiber conduit and any other utilities (or per joint utility owner).

7. Minimum depth of conduit must be 36”.

8. Contractor shall call for utility locates prior to digging.

9. Depths of existing utilities will be potholed for verification of location. Conflicts with existing utilities will be resolved prior to conduit placement.

Trenching in Right of Way:

1. All State and County road crossings shall meet the installation requirements outlined in the right of way permit issued by the authority having jurisdiction and construction design.

2. An approved, licensed, and bonded excavation contractor must perform all work in the road right of way.

3. Any working the right of way must meet the erosion and sediment control requirements of the local jurisdiction.

Fiber Installation Requirements:

1. Conduit shall always be proofed for integrity prior to placement of fiber optic cable.

2. Cable will never be pulled over 600 pounds of pulling pressure or blowing pressure.

3. Avoid excessive cable twists.

4. Pulling or blowing speeds shall never exceed 150 feet per minute.

5. The use of capstan winches will be calibrated with never to exceed limits of 600lbs of force. Capstans shall be sized to meet the minimum bend radius requirements under tension.

6. Never bend over 15 x OD of cable, or a maximum bend radius of 18”.

7. Installation temperature must always stay between -22 and 140 degrees Fahrenheit.

8. Cable pulling lubricant used shall be recommended for cable pulling or blowing. Polywater, hydralube or equivalent.

Never use soaps or detergents that cause the cable sheath to breakdown.

9. Refer to design maps for splicing locations. Fiber optic cable is never to be cut except only where designed.

10. Fiber optic cable sequential numbers are required at each pole location and vault wall. Sequential numbers will identify conduit length, and slack left in vaults and at poles.

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Trench & Conduit Installation

Guidelines (2 of 2)

Typical Trench/Plow Section

Trench Restoration

36"

24"

24"

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Air Flow Spoiler

Span Length

Feet Meters Spoilers Per Span

120-180 36.6-54.9 3

181-240 55.2-73.2 4

241-300 73.5-91.4 5

301-350 91.7-106.7 6

351-400 106.9-121.9 7

401-450 122.2-137.2 8

Application: 1/4” Messenger +1 .564”-.760” Cable

5/16” Messenger +1 .373” -.565” Cable

Multiple Messenger + Cable .575”-.717” Total

1 1 Air Flow Spoiler, .564” - .76” Dia

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Spiral Vibration Dampener

1 1 Fiber Vibration Dampeners, 0.655

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Splicing and Splice Case Placement

(1 of 2)

Cable Preparation and Storage Requirements:

1. Prepare cables for splicing by laying out flat on ground, reducing twists and bends.

2. For an aerial splice case application, the Aerial Slack Loop will be in place prior to splice work taking place.

3. The aerial splice case shall be mounted with aerial adjustable offset brackets for ADSS or Strand and Lash applications.

4. Once splicing is completed, white cable tag to be placed on cable denoting cable direction. Tag should be no more than 12” from plate on case.

5. Tape cable tails together to form a coil that neatly combines within the vault.

6. Cable bend radius should never be less than 18”.

7. In handholes or vaults, verify conduits are plugged and visible in the bottom of the vault.

8. Bond/Ground splice case to the ground rod or cable locater marker station.

9. Tag cable with owner cable tag, visible when vault is open, at top of coil, or in a aerial application at the splice case.

10. Tag cable with owner cable tag, visible when vault is open, at top of coil, or in a aerial application at the splice case.

11. The aerial splice case shall be mounted with aerial mounting adjustable offset brackets for ADSS or strand and lash applications. Strap and tie wrap aerial ADSS cable slack. Overlash slack in a strand and application.

12. All aerial splice cases need to be re-hung and mounted into aerial application within 48 hours of splice work completion.

Fiber Splicing Requirements:

1. Cable openings shall match splice case procedures as outlined in manufacturer’s requirements.

2. Fiber splicers are required to completely read and understand procedures documented in the splice case

Installation Manual prior to work being performed.

3. Fiber splice will never cut a spliced fiber without checking the light activity with a calibrated light detector prior to cutting.

4. No more than 24 fibers per tray.

5. End plates are always to be arranged to allow for additional future cable access.

6. Always flash test the splice case prior to storing case in vault.

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Splicing and Splice Case Placement

(2 of 2)

Fiber Splicing Documents and Methods of Procedure Notifications:

1. Anytime a splicer is to access an active splice case, place a new splice case on existing lit backbone or lateral fiber, or wo rk requiring splicing fibers in an active panel, a Method of Procedure (MOP) is needed, except for in the case of an outage.

2. A MOP is not needed for OTDR testing or splicing on dark fiber.

3. A MOP will be provided by Northern Wasco County PUD (NWCPUD) and will be sent to the Network Operations Center (NOC), contractor, and splicer a minimum of 10 calendar days prior to scheduled work. MOP window will be between 12AM and

6AM.

4. In certain instances, a MOP can be scheduled prior to the 10 day window for emergency needs and fiber repair work. It will be handled on a case-by-case basis depending on necessity of work and what fibers are on existing backbone. MOP will list a description of work, splice cases to be entered, or locations of installation of new splice cases. MOP will also provide a li st of active customers on cables being worked on.

5. MOP will list NWCPUD Engineer Contact information as well as NOC contact information.

6. NWCPUD will provide Splicing Documents (Splice Docs) prior to work taking place. Splice Docs will provide splice locations, fiber splicing assignments, and distances to Cabinet, COLO or other end site location if not splicing back to a NWCPUD

Cabinet or COLO.

7. Fiber splicer is to always test for light prior to cutting. If light is found on fiber assignments, fiber splicer is to contact NWCPUD

Engineer before proceeding further.

8. If discrepancies are found regarding distances provided, or large fiber events/breaks on either existing backbone or newly installed fiber, fiber splicer.

Fiber Testing and Documentation:

1. Fiber splicer is to notify NOC prior to splice work is to begin, and prior to access to any NWCPUD facilities, whether splicing or testing is to take place.

2. Fiber splicer must follow MOP instructions provided. Fiber splicer is to notify NOC and close out ticket once splice work has been completed.

3. Prior to splicing fiber, strands provided on splice docs must be tested on existing fiber and new fiber install to verify distan ces and any potential breaks or large loss events (greater than a 0.3DB loss and/or high reflection event in case of jumpers placed).

As noted previously, if any issues arise NWCPUD Engineers need to be notified of issue immediately.

4. Once splicing is complete bi-directional OTDR reports will be required in both 1310nm and 1550nm. OTDR should run for a minimum of 1 minute, and for up to 3 minutes on longer distance reports. On these occasions splicer will be notified of the necessary run times on long distances prior to work taking place.

5. NWCPUD will provide splicer with building contact information for customer site. NWCPUD will provide access information for splicer to enter NWCPUD facilities for testing.

6. All OTDR traces need to be delivered in raw format within 48 hours of splice work completion.

Acceptance of OTDR Testing and Splice Completion:

1. No fiber strand will be accepted that has an individual splice location event greater than 0.3dB (TIA Standard). This only pertains to strands spliced during work window, excludes existing network splices.

2. In certain instances, depending on job and contract for work, the individual splice event standards may be more strict. In these instances NWCPUD will notify splicer prior to work taking place.

3. Fiber splice locations with reflections are not acceptable and will be rejected. This does not include connectors used during testing, jumpers at panels, or patch panel ports.

4. When testing with OTDR; fiber optic jumpers and ports to be cleaned every time both prior to OTDR testing and after testing has completed. Port caps always need to be replaced on unused ports after testing has completed. NWCPUD may require individual splice locations to be re-spliced to meet standards listed. If this was a new splice, the cost to fix the splice issue that does not meet standards outlined will not be re-imbursed by NWCPUD.

5. If splicer does not follow MOP, testing requirements, or bi-directional testing, NWCPUD will not re-imburse cost to fix splice issue that arise from not following procedures correctly.

6. Splicer and/or contractor to provide pictures of fiber install on customer premises. Either picture of fiber coiled on backboard if no panel is installed, or picture of mounted term panel after fiber has been spliced and tested. Pictures need to be delivered to NWCPUD within 24 hours of being taken.

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Typical Splice Case Used on Fiber

Systems (1 of 2)

Typical Splice Case Used on Fiber

Systems (2 of 2)

Typical Installation from OH Splice

Case to OH Entry into Premise

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Example of Overhead Splice

1. Fiber service drop must maintain a 12’ minimum clearance above grade at lowest point.

2. Fiber service drop must not attach to electric service weather head.

3. Details shown are minimum requirements per

National Electric Safety Code.

Typical Installation from OH Splice to

Premise via Riser and UG Conduit

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Joint Use Clearance Street Light

Exceptions

Commercial/Business Service

OH Splice to Premise via Riser

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Joint Use Vertical Clearance

Requirements

Drip loop must be covered by a suitable nonmetallic covering that extends 2” beyond the loop.

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Clearance to Supply Neutral in the Common Position

Joint Use Vertical Clearance at Pole

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Minimum Clearance

40 inches

40 inches

Joint Use Vertical Midspan Clearance

40 inches

Clearance to Secondary Conductor in the

Common Position

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Joint Use Grounding & Bonding

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Joint Use New Riser Installation

See Rus Drawing Number PM2A (Appendix A, Sheets X) For Additional Construction

Details and Material Requirements.

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Joint Use Climbing Space

New risers shall be attached to existing power standoff brackets when available.

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Preferred Climbing Space Crossarm Climbing Space

Acceptable Climbing Space Brackets Climbing Space

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RUS Drawing #241

APPENDIX A – SUPPLEMENTAL RUS SPECIFICATION

DRAWINGS

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RUS Drawing #214

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RUS Drawing #242

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RUS Drawing #203

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RUS Drawing #211

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RUS Drawing #PM12

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RUS Drawing #PM2A

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FIBER SERVICE DROP INSTALLATION SPECIFICATION

DRAWINGS

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When an additional pole or service pole is utilized to route the drop, install an identification tag on service drop fiber at each pole(s)., Ensure that the fiber service drop meets NESC minimum

Aerial Service Drop Installation

Required Material

Item Description

1 Network Interface Device (NID, ONT Housing)

2 3MM Flat Drop Fiber Optic Cable

3 House Attachment

4 Wedge Clamp

5 Cable Clips

National Electric Code Minimum Clearance Requirements

Communication Service Drop to Electric Service Wire in Span 12”

Clearance Over Driveways, Areas Subject to Truck Traffic 15’ – 6”

Clearance Over City and County Roads* 15’ – 6” Clearance Over Oregon State Highways – Joint Use with Electric 18’ Clearance Over Oregon State Highways – Communications Only 18’

Clearance over Pedestrian Traffic Only 12’

Minimum Clearance Lowest Electric to Communications at Pole 40”

Electric Service Drops to Communication Service Drops at Midspan 12”

Vertical Spacing from Comm to Comm at Pole 12”

*Additional City and County Minimum Clearance Requirements may Apply.

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Underground Service Drop Installation

Existing Residence/Premise

General Requirements for Underground Fiber Installation

1. Conduit route from the point of connection to building should follow the most direct path available.

2. Locate NID/ONT housing a minimum of 12” from electric meter base and 3’ – 6’ above ground level.

Required Material

Item Description

1 Outdoor Optical Network Terminal (ONT) Housing

2 Cable Clips

3 18/14 3/4” Locatable Microduct, with Pull String

4 3MM Flat Drop Fiber Optic Cable

5 Fiber Handhole “Flowerpot”

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All conduit sweeps shall be Schedule 40 PVC 36" minimum radius

Underground Service Drop Installation

New Construction

*Refer to utility owners electric trench details for electric service conduit installation requirements.

Riser Installation Notes

1. If riser brackets exist on pole, stub up conduit at existing brackets.

2. If riser brackets do not exist, verify proper quadrant for conduit placement with Engineering.

30"

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NID Installation and Grounding

Network Interface Device (NID) Installation

Follow manufacturers installation instructions in addition to these requirements:

1. Install NID 3’ – 6’ above ground and a minimum of 12” from electric service meter and electric service conduit(s).

2. Install grounding for NID as shown below.

3. Splice drop fiber in NID and test light level.

Acceptable light level range is -7 to -27db.

4. Write light level test result and OFDC port number legibly on inside of NID door with permanent marker.

Grounding of ONT Closure

Use a #12 coated ground wire from grounding clamp in closure and connect to one of the following locations (listed in order of preference)

1. Power Service Ground: Use split bolt to connect ground wire to existing service ground.

2. Ground Rod Clamp: Use 5/8” ground rod clamp to connect ground wire to existing or new ground rod.

3. Overhead Service Entrance Mast: Use a 12: galvanized bonding strap, strap ground wire to mast.