Chapter 11

Question 1

3 Fundamental safety points

Answer 1

Roofs are usually not as strong as floor because they are typically designed to support lighter live loads

Many types of roof construction have inherent concealed spaced between the ceiling and the roof deck making it difficult to determine the extent to which a fire has developed over head

Over time loads may be added to roofs for which they were not originally designed

Question 2

Low Slope roofs have a slope up to

Answer 2

3/12

Question 3

Medium to high slop roofs have a slope up to

Answer 3

4/12 to 12/12

Question 4

Clerestories are

Answer 4

The vertical sides of this monitor section which are normally openable windows

Question 5

4 confidential framing components of roofs are

Answer 5

Rafters

Ridge boards

Collar ties

Ceiling joist and rafter ties

Question 6

Supports are often substantial with ridge beam

Answer 6

Typically one size larger than the rafter

Question 7

Wood Rafters vary in size from

Answer 7

2x4 to 2x14 and can be spaced 12 to 24 inches apart

Question 8

Wooden trusses sizes are

Answer 8

2x4 or 2x6 spaced 2 to 4 feet apart center to center

Question 9

Wood panel decking may have a thickness of

Answer 9

1/2 inch supported 12 inches apart

Question 10

Wood plans will have a minimum thickness

Answer 10

1 inch thickness

Question 11

Corrugated steel used in decking rages from _____ thinnest to _______ the thickest

Answer 11

29gauge

12 gauge

Question 12

Corrugated steel used in decking depth ranges

Answer 12

From 3/4 to 2 inches

Question 13

Vapor Barrier

Answer 13

Is designed to reduce the diffusion of interior moisture into the insulation layer

Question 14

3 General categories of roof membranes

Answer 14

Built up membranes

Single ply membranes

Fluid applied membranes

Question 15

Single Ply membranes comes in sheets

Answer 15

10 or 20 feet wide and up to 200 feet long

Question 16

Single Ply membranes most common Sytheic rubber material

Answer 16

EPDM

Question 17

Fluid applied membranes 4 materials used are

Answer 17

Neoprene

Silicone

Polyurethane

Butyl Rubber

Question 18

Most commonly know wear course roofs are

Answer 18

Tar and gravel roofs

Question 19

Most common size of asphalt singles are

Answer 19

12x36 inches

Question 20

Slate sheets range in size from thinnest to thickest

Answer 20

1/16 to 1 1/2 inch

Question 20

Slate sheets range in size from thinnest to thickest

Answer 20

1/16 to 1 1/2 inch

Question 20

Slate sheets range in size from thinnest to thickest

Answer 20

1/16 to 1 1/2 inch

Question 21

Class A roof coverings are

Answer 21

Effective against sever fire exposure

Question 22

Class B roof coverings are

Answer 22

Effective against a moderate fire exposure

Question 23

Class B roof coverings are

Answer 23

Effective against a moderate fire exposure

Question 24

Class C roof coverings are

Answer 24

Effective against a light fire exposure

Question 25

Greatest benefit to green roofs are

Answer 25

Increase energy efficiency of the building

Question 26

Single unit of solar energy collector is

Answer 26

A Cell

Question 27

A series of solar sells arranged in a self contained unit are

Answer 27

A Panel

Question 28

A system of solar panels or shingles are

Answer 28

A array

Question 29

The Engergy feed from a photovoltaic cells cannot be

Answer 29

Isolated or shut off

Question 30

Depth soil for garden roofs vary from

Answer 30

Few inches to a few feet

Question 31

Dead loads for garden roofs vary from

Answer 31

20 pounds per square foot to 150 pounds per square foot