F-2 Flashcards

1
Q

Who must design the support system and the stages of demolition before a building can be demolished?

A

Professional Engineer

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2
Q

What safety gear must a worker wear in demolishing a building

A

Boots, hard hat, eye protection, gloves

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3
Q

What services must be disconnected before a building can be demolished?

A
Electrical 
Water
Gas
Sewer
Telephone
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4
Q

What height above adjacent levels are scaffolds required?

A

3m(10ft)

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5
Q

What is required when chutes are used to remove debris from a building?

A

Enclosed and gated if more than 45 degrees

Enclosed at both entry points

Should lead to truck or bin

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6
Q

When is hoarding required?

A

When demolition is next to a street or sidewalk

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7
Q

2 things that must be done when material is dropped from upper floors into a specified outside area.

A

Barricade where materials will land

Put up signs.

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8
Q

Why are hoardings constructed?

A

To protect people who are not working on the building site

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9
Q

According to the building code, how much height should a “covered walkway” have?

A

2.5m

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10
Q

Building construction poses a hazard to the public. A covered walkway is required if it is closer than __m to the public right of way?

A

2m

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11
Q

A covered hoarding must have a weather-tight roof that is…

A

Sloped toward the project.

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12
Q

Who determines whether hoarding is adequate and can begin construction or demolition?

A

Local Building Authority

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13
Q

2 Advantages of covered hoarding using arch-way scaffold supporting a concrete form panel roof.

A

Save on labour and Material

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14
Q

2 disadvantages of covered hoarding which uses archway scaffold supporting concrete form panel roof

A

Time consuming, if used for long period it is expensive.

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15
Q

If hoarding is placed on the street, it must be equipped with…

A

Warning Lights

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16
Q

What is a courtesy to include when constructing hoardings?

A

Direction signs at entrances

17
Q

How can a builder take advantage of cut and fill practises to reduce cost of transporting fill dirt?

A

Use excavated dirt to fill the low areas

18
Q

Grade stakes are usually place on…

A

Grid lines

19
Q

Where is the depth of cut taken from?

A

The top of the grade stake.

20
Q

Removal of garbage, debris, old frames etc. is called…

21
Q

Does the concrete displace slurry when the concrete is placed in a concrete-slurry wall?

22
Q

What are steel H beams used for a concrete slurry wall called?

A

Soldier beams

23
Q

What supports the shore when a short supports the wall of a building?

A

Hydrolic jack and mud crib

24
Q

Where is a needle beam placed?

A

In an opening in the wall.

25
What two types of underpinning are placed in spaced sections under an original footing?
Leg underpinning | Jack cylinder underpinning
26
When must shoring be inspected?
Beginning of each day, and if there's vibration, often during the day.
27
Footings must be at least 1.2m below grade to...
Prevent problems when building on clay
28
Typical thickness of lifts beneath slabs are 4"-6" so that...
Compaction can be done evenly
29
Bottom of excavations cannot...
Freeze, have standing water or have organics
30
Difference between perimeter drainage systems and granular drainage systems is that the perimeter drainage systems use...
Perforated pipe
31
Rainwater leader is also known as a...
Downspout
32
Dry well must be installed...
Downhill from the building.
33
Perforated drainage pipe is to be installed so that...
The writing is up and the two holes face down.
34
Clean outs should be installed...
Where the pipe leaves the building or where convenient to unplug or flush.
35
The purpose of filter cloth is to...
To stop backfill fines from Mixing in with drain rock
36
Backfilling material should...
Have a slippage plane if backfill contains pyritic material or if soil is subject to ice lensing.
37
When backfilling against foundation walls, it is best to start...
With the corners
38
Slabs on grade need...
A uniformly dense base