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Advanced Electricity > Aqueduct Systems COPY > Flashcards

Aqueduct Systems COPY Flashcards

1
Q

What field division has the widest canal?

A

San Luis

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2
Q

What is the purpose of the aqueduct?

A

Storage and conveyance of water

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3
Q

What is velocity?

A

Distance per unit of time.

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4
Q

What is Q?

A

The flow rate per unit of time.

CFS

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5
Q

How thick is the aqueduct liner?

A

4 inches

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6
Q

How thick is reinforced liner and what adds to its strength?

A

Reinforced liner is 6 inches thick and has rebar.

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7
Q

What component sends aqueduct info to ACC?

A

A differential pressure transmitter.

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8
Q

What 4 purposes does a check structure provide?

A
  1. Controls water flow
  2. Controls water elevation
  3. Separates segments of the aqueduct.
  4. Emergency Isolation
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9
Q

What do all check sites have?

A

SEG’s

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10
Q

A pitot rod is used to measure ________ in a pipe.

A

Velocity

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11
Q

How wide is the lip of the liner?

A

12 inches

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12
Q

Name all generation plants in state water project

A
  1. Gianelli
  2. Warne
  3. Alamo
    4.Mojave
  4. Devils Canyon
    6 Thermalito
    7.Hyatt
    Castaic cooperative ladwp
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13
Q

Name two sections of the aqueduct that have a reinforced liner?

A
  1. The Thermalito Power Canal

2. Wind gap pool 36

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14
Q

Who gets turnout water

A

29 water contractors

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15
Q

When did construction of the SWP begin?

A

1957

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16
Q

How much water can the SWP deliver at full capacity?

A

4.2 million A/F

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17
Q

Name the three headwaters to Lake Oroville?

A
  1. Frenchman Lake
  2. Antelope Lake
  3. Lake Davis
18
Q

How many pools are there?

A

66

19
Q

What is the purpose of the canal lip?

A

It let’s surface water drain into the canal without sleeping behind the lining.

20
Q

Where is the berm located?

A

Between the road and the canal

21
Q

What is an invert, and what is it’s slope?

A

The invert is the bottom width of the canal and it slopes 4’ per 100,000 ft.

22
Q

What is free board and what does it provide?

A

It’s the distance from the top elevation of the water to the top of the lining.

It provides a safeguard against:

  1. Sediment buildup
  2. Wave action
  3. Storm flow that may exceed design flow.
23
Q

How far apart are safety ladders and maintenance ladders?

A

Safety ladders are every 500’ staggered or 1000’ on the same side.

Maintenance ladders are every 5000’ and are placed downstream of concrete structures.

24
Q

Safety cables (aka buoy’s) are located where?

A

Upstream of check sites, pumping plants, and spillways.

Downstream of bridges

25
Q

Describe drawdown criteria? For San Joaquin

A

The first 6” of drawdown may occur in one hour, with the next 1 ‘6” occurring uniformly over the following 23 hours.

26
Q

What speed do radial gates move at?

A

1 ft./min

27
Q

How many float wells are located in a pool? What are they for?

A

Two.
One upstream and one downstream.
To measure water levels in canal.

28
Q

Who is the largest water contractor?

A

Metropolitan water district.

29
Q

Where is the most narrow of the aquaduct

A

Coastal

30
Q

What is the Delta water charge?

A

It’s the cost per acre foot of water used for the purpose of water conservation in, above, and below the delta.

All contractors pay the same rate.

31
Q

What is the Transportation charge?

A

This charge includes the costs incurred by the transportation facilities while delivering water to the contractor.
The contractor is responsible for paying for all the costs in his respective reach.

32
Q

What are protection components of an SEG

A

Cranking limiter
Emergency trip device
Overload protection built into breaker

33
Q

What do checksites do?

A

Regulate flow
Control elevation
Pool isolation

34
Q

What do checksites do?

A

Regulate flow
Control elevation
Pool isolation

35
Q

What are duties of water operations

A

Perform routine inspections.
Make schedule Q changes.
Reporting and recording data
Perform ACC tasks

36
Q

Where are Mile markers?

A

Every half mile.
Check structures
Cross structures
Bridges

37
Q

What should you do when you enter a check site?

A

Call ACC

38
Q

Where is freeboard?

A

Top of water to top of lip

39
Q

Coverts and siphon are used to protect from what type of flooding

A

500 year storm

40
Q

Purpose of the concrete liner?

A

Reduce erosion and friction

41
Q

What is the relationship between presure and velocity

A

They are inversely proportional to each other

42
Q

San joaquin gates

A

4 with 4 gates
11 with 3 gates
All 20 ft wide

Advanced Electricity (2 decks)

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