Blueprint reading

Question 1

How do you determine roof pitch by looking at a print?

Answer 1

standard roof detail page

Question 2

when looking at a print, you see items circled and the indication “Std. Det.#..” given. what does this mean?

Answer 2

this indicates the standard detail page and drawing number

Question 3

What does an item drawn with a dashed line represent when found on a blueprint?

Answer 3

an option available with that house type

Question 4

on what page of the prints can you find the size of the kitchen cabinets?

Answer 4

Kitchen cabinet layout page

Question 5

on what page of the prints would you most likely look to find the type and size of the main support beam?

Answer 5

Foundation layout plan

Question 6

How can you determine the height of the foundation wall?

Answer 6

Foundation plans

Question 7

How do you determine joist spacing?

Answer 7

floor joist layout page

Question 8

what is the common spacing that NVR uses for 2x10 floor joist? JSI

Answer 8

2x10: 16” OC
JSI: 19.2 OC

Question 9

How is a 3’0” x 4’6” window indicated?

Answer 9

3046

Question 10

What does a cross section show on a print?

Answer 10

Cuts the house in half so you can see through the house

Question 11

what does O.C. indicate on the blueprints?

Answer 11

On center

Question 12

what does “Fdn” indicate on the blueprints?

Answer 12

Foundation

Question 13

what does “C/L” indicate on the blueprints?

Answer 13

Center line

Question 14

What does “Opt” indicate on the blueprints?

Answer 14

Option

Question 15

what does “Crs” indicate on the blueprints?

Answer 15

course (brick layout)

Question 16

draw the symbol for a bearing wall

Answer 16

pg 3 (blueprint)

Question 17

draw the symbol that indicates bearing point about

Answer 17

circle with X in the middle

Question 18

draw the symbol that indicates an engineering page

Answer 18

oval with number inside

Question 19

How is the size of a door indicated on the blueprints

Answer 19

26 with the swing of the door drawn where the door entrance is located

Question 20

How can you tell what type of floor covering is used in a given area?

Answer 20

FLooring section on SAR and the floor break symbol:

C->/<-R

Question 21

How can you tell if a bath is to be installed with a shower stall or a tub?

Answer 21

SAR and bathroom layout page

Question 22

What page is a footer found on?

Answer 22

foundation footer page

Question 23

how is the footer indicated on the prints?

Answer 23

dashed line around structure(wall or stairs)
_ _ _ _ _
I_ _ _ _ _I

Question 24

On a footing layout, why is the overall dimension shown larger than that of the foundation?

Answer 24

Because footers are actually wider than foundation wall so it has a 4” reveal on each side

Question 25

If the print indicates “to be selected”, where does one find the information for the item to be used?

Answer 25

SAR

Question 26

How are the locations of the heat registers determined

Answer 26

HVAC layout page

Question 27

How is a roof safety line device indicated on the Blue Prints?

Answer 27

*

Question 28

If revisions have been made to the prints, where would the information be indicated?

Answer 28

Title block

Question 29

Are the dimensions given from wall-to-wall, a finished dimension?

Answer 29

No, it is unfinished (it adds 1” for drywall per side)