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OLD RCDD flashcards > (OLD) €h 20 - Outside Plant > Flashcards

(OLD) €h 20 - Outside Plant Flashcards

0
Q

20–2 safety procedures

Careful attention aerial bucket trucks =

A

Winter

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1
Q

20-2 safety procedures

Special sites =

A

Factories nuclear power plants

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2
Q

20–3 underground pathways

Underground pathways =

A

Conduit

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3
Q

20–6

Right-of-way =

A

Easements

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4
Q

20–7 service diversity

Count =
sheet or cable =
route =
backbone =

A
  • binder groups
  • sheath or cables
  • paths
  • backbone cables
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5
Q

20–7

dual entrances =

A

Except residence, does not belong

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6
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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7
Q

20–8 entrance cable guidelines

Indoor/outdoor NEC cable=

A

past 49 feet from point entrance

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8
Q

20–800 cable guidelines

588 ft between =

A

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

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9
Q

20–9 types of entrances

Underground =
buried =
Aerial =

A
  • Conduit
  • out of sight service w/out conduit
  • overhead
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10
Q

20–10 placing innerducts

Innerducts =
2

A
  • Smaller pathway

* 1 to 2 inch

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11
Q

20–13 terminating conduit designated property line

Cover depth =

A

Minimum cover of 24 inches

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12
Q

20–13 cover depth

Cold climates =

A

Minimum burial 50 year freeze point

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13
Q

20–14 designing termination points

ITS designer should design conduits =

A

4” AFF

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14
Q

20–15 avoid a sunken trench

Refilling a trench =

A

Tamped

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15
Q

20–15

Shoring =
2

A
  • 5ft deep

* 2ft edge of the trench

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16
Q

20–16 maximum span

Aerial =

A

Not exceed 100 feet

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17
Q

20-20 vertical conduit masts

Do not extend the mast > =

A

4in

18
Q

20-22

Entrance through a wall =

A

0.5in slope/flush

19
Q

20–23 requirements for inside space

Protected or barriers =
2

A
  • 4 inch diameter

* filled with cement

20
Q

20–24 requirements for inside space

100,000 ft.² =

A

Dedicated room for entrance facilities

21
Q

20–25 pedestal hardware mounted outside walls

Pedestals =

A

150ft each tenant

22
Q

20- 29 Direct buried underground pathways

Trench =
Sunken trench =
subsurface facilities =

A

24in of cover
Tamp
Call local underground utilities

23
Q

20–30 direct buried underground pathways

Locating methods =

A

Except sonar, does not belong

24
Q

20–31 direct buried and underground pathways

Shoring requirements=

A

5ft deep

24in from edge

25
Q

20–31 joint trench required separations

Power =
Pipes =

A
  • 12in well-tamped earth

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

26
Q

20–32 warning tape requirements

Warning tape =
2

A
  • 12in

* non-detectable or detectable

27
Q

20–32 warning tape requirements

Common ground alliance (CGA) =

A

Color orange

28
Q

20–33

vibratory plow =

A

Cuts into the ground and cable is fed

29
Q

20–35 conduit guidelines

Using corrosion resistant conduit =

A

Except black iron pipe, does not belong

30
Q

20–36 positioning underground conduit risers on poles

Practical =

A

Field side of the pole

31
Q

20–36 choosing a pull cord

Test rating =

A

200 lb

32
Q

20–39 multiple covers

Manhole over 12 feet long=

A
  • Between 12 feet and 20 feet, use two covers

* over 20 feet, use three covers

33
Q

20–39

MH ‘s
8ft, 16ft, & 26ft
How many covers?

A

6 covers

34
Q

20–39 identifying covers

T=
S=
TV=

A
  • telephone
  • signal
  • CCTV/CATV
35
Q

2039 manhole interior hardware

MHs equipped =
3

A

Pulling eyes 7/8in
Sump 8in
Ladder

36
Q

20–39 concrete strength and reinforcement

Strength of concrete =

A

3480 psi

37
Q

20–44 aerial plant criteria

Suspension strand and cable =

A

Placed on the roadside

38
Q

20–45 poles

Poles by strength =

A

Strongest rated pole at 00

Weakest rated pole at 10

39
Q

20–45 poles

Withstand the same horizontal load =

A

24 inch from the top of the pole

40
Q

20–45 pole loading

Transverse =
vertical =
bending =

A
  • Wind pressure
  • weight
  • corners
41
Q

20–25 optical fiber cables

New strand for the optical fiber cable =

A

Uppermost

42
Q

20–48 references

EAI-758-A =

A

Outside plant telecommunications

OLD RCDD flashcards (30 decks)

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