€h 20 - Outside Plant Flashcards by Ali Jeffery | Brainscape

Q

20-2 safety procedures

Special sites =

A

Factories nuclear power plants

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Q

20–2 safety procedures

Careful attention aerial bucket trucks =

A

Winter

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Q

20–3 underground pathways

Underground pathways =

A

Conduit

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Q

20–6

Right-of-way =

A

Easements

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Q

20–7 service diversity

Count =

sheet or cable =

route =

backbone =

A

* binder groups

* sheath or cables

* paths

* backbone cables

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Q

20–7

dual entrances =

A

Except residence, does not belong

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Q

20–8 entrance cable guidelines

OSP type cable termination or transition =

A

Must not exceed 49 feet point of entrance

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Q

20–8 entrance cable guidelines

Indoor/outdoor NEC cable=

A

past 49 feet from point entrance

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Q

20–800 cable guidelines

588 ft between =

A

49ft + 588ft + 49ft = 686ft total

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Q

20–9 types of entrances

Underground =

buried =

Aerial =

A

* Conduit

* out of sight service w/out conduit

* overhead

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Q

20–10 placing innerducts

Innerducts =

(2)

A

* Smaller pathway

* 1 to 2 inch

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Q

20–13 terminating conduit designated property line

Cover depth =

A

Minimum cover of 24 inches

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Q

20–13 cover depth

Cold climates =

A

Minimum burial 50 year freeze point

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Q

20–14 designing termination points

ITS designer should design conduits =

A

4” AFF

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Q

20–15 avoid a sunken trench

Refilling a trench =

A

Tamped

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Q

20–15

Shoring =

(2)

A

* 5ft deep

* 2ft edge of the trench

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Q

20–16 maximum span

Aerial =

A

Not exceed 100 feet

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Q

20-20 vertical conduit masts

Do not extend the mast > =

A

4in

Q

20-22

Entrance through a wall =

A

0.5in slope/flush

Q

20–23 requirements for inside space

Protected or barriers =

(2)

A

* 4 inch diameter

* filled with cement

Q

20–24 requirements for inside space

100,000 ft.² =

A

Dedicated room for entrance facilities

Q

20–25 pedestal hardware mounted outside walls

Pedestals =

A

150ft each tenant

Q

20- 29 Direct buried underground pathways

Trench =

Sunken trench =

subsurface facilities =

A

* 24in of cover

* Tamp

* Call local underground utilities

Q

20–30 direct buried underground pathways

Locating methods =

A

Except sonar, does not belong

Q

20–31 direct buried and underground pathways

Shoring requirements=

A

5ft deep 24in from edge

Q

20–31 joint trench required separations

Power =

(3)

A

* 12in well-tamped earth

* 6in when crossing - in 10ft of rigid PVC

Q

20–32 warning tape requirements

Warning tape =

(2)

A

* 12in

* non-detectable or detectable

Q

20–32 warning tape requirements

Common ground alliance (CGA) =

A

Color orange

Q

20–33

vibratory plow =

A

Cuts into the ground and cable is fed

Q

20–35 conduit guidelines

Using corrosion resistant conduit =

A

Except black iron pipe, does not belong

Q

20–36 positioning underground conduit risers on poles

Practical =

A

Field side of the pole

Q

20–36 choosing a pull cord

Test rating =

A

200 lb

Q

20–39 multiple covers

Manhole over 12 feet long=

(2)

A

*Between 12 feet and 20 feet, use two covers

*over 20 feet, use three covers

Q

20–39

MH ‘s 8ft, 16ft, & 26ft

How many covers?

A

6 covers

Q

20–39 identifying covers

T=

S=

TV=

A

*telephone

*signal

*CCTV/CATV

Q

2039 manhole interior hardware

MHs equipped =

(3)

A

* Pulling eyes 7/8in

* Sump 8in

* Ladder

Q

20–39 concrete strength and reinforcement

Strength of concrete =

A

3480 psi

Q

20–44 aerial plant criteria

Suspension strand and cable =

A

Placed on the roadside

Q

20–45 poles

Poles by strength =

(2)

A

* Strongest rated pole at 00

* Weakest rated pole at 10

Q

20–45 poles

Withstand the same horizontal load =

A

24 inch from the top of the pole

Q

20–45 pole loading

Transverse =

vertical =

bending =

A

* Wind pressure

*weight

*corners

Q

20–25 optical fiber cables

New strand for the optical fiber cable =

A

Uppermost

Q

20–48 references

EAI-758-A =

A

Outside plant telecommunications