Chap 4 (flashcards)

Question 1

The grade away from foundation walls shall fall a minimum of _______ inches within the first ______ feet.

Answer 1

6 inches (and) 10 feet

R401.3 Drainage

Question 2

In Seismic Design Categories D₀, D₁ and D₂, foundations with stem walls shall be provided with a minimum of one No. ____ horizontal bar within 12 inches of the top of the wall and one No. _____ horizontal bar located 3 to 4 inches from the bottom of the footing.

Answer 2

4 (and) 4

R403.1.3.1 Concrete stem walls with concrete footings

Question 3

All exterior footings shall be placed at least _____ inches below the undisturbed ground surface.

Answer 3

12 inches

Where applicable, the depth of footings shall also conform to Sections R403.1.4.1 and R403.1.4.2

R403.1.4 Minimum depth

Question 4

The top surface of footings shall be level. The bottom surface of footings shall not have a slop exceeding _____ unit vertical in _____ units horizontal.

Answer 4

1 unit (and) 10 unit

(1:10, 10% slope)

R403.1.5 Slope

Question 5

Wood sill plates shall be anchored to the foundation with anchor bolts spaced a maximum of ______ feet on center.

Answer 5

6 feet

R403.1.6 Foundation anchorage

Question 6

Foundation anchor bolts shall be at least _____ inch in diameter and shall extend a minimum of _____ inches into concrete or grouted cells of concrete masonry units.

Answer 6

1/2 inch (and) 7 inches

R403.1.6 Foundation anchorage

Question 7

Isolated hollow masonry piers shall have a minimum nominal thickness of _____ inches.

Answer 7

8 inches

R404.1.9 Isolated masonry piers

Question 8

Hollow masonry piers shall be capped with _______ inches of solid masonry or concrete or a masonry cap block.

Answer 8

4 inches

As an alternative, the cavities of the top course must be filled with concrete or grout.

R404.1.9.1 Pier cap

Question 9

The studs used in wood foundation walls shall be ____ -inch by ______ -inch members.

Answer 9

2 inch by 6 inch

R404.2.2 Stud size

Question 10

Wood sill plates shall be a minimum of ____ -inch by ______ -inch nominal lumber.

Answer 10

2 inch by 4 inch

R404.3 Wood sill plates

Question 11

Unless otherwise recommended by the drain manufacturer, perforated foundation drains shall be surrounded with an approved _______ ________.

Answer 11

filter membrane

Or the filter membrane shall cover the washed gravel or crushed rock covering the drain.

R405.1 Concrete or masonry foundations

Question 12

Steel pipe columns shall be not less than ______ inches in diameter

Answer 12

3 inches

R407.3 Structural requirements

Question 13

In under-floor spaces, the minimum net area of ventilation openings shall be not less than ______ sqft for each _______ sqft of under-floor space area.

Answer 13

1 sqft (and) 150 sqft

R408.1 Ventilation

Question 14

Ventilation openings in under-floor spaces are not required where the ground is covered with a continuous ______ vapor retarder and the joints overlap at least _____ inches.

Answer 14

Class I (and) 6 inches

R408.3 Unvented crawl space

Question 15

The minimum required floor access opening to all under-floor spaces shall be ______ inches by _________ inches.

Answer 15

18 inches by 24 inches

R408.4 Access

Question 16

Open web truss or I-joist floor assemblies are required to have a __________ -inch gypsum wallboard membrane, ________ -inch wood structural panel membrane, or equivalent on the underside of the floor framing member.

Answer 16

1/2 inch (and) 5/8 inch

R302.13 Fire protection of floors