Blueprint reading Flashcards
How do you determine roof pitch by looking at a print?
standard roof detail page
when looking at a print, you see items circled and the indication “Std. Det.#..” given. what does this mean?
this indicates the standard detail page and drawing number
What does an item drawn with a dashed line represent when found on a blueprint?
an option available with that house type
on what page of the prints can you find the size of the kitchen cabinets?
Kitchen cabinet layout page
on what page of the prints would you most likely look to find the type and size of the main support beam?
Foundation layout plan
How can you determine the height of the foundation wall?
Foundation plans
How do you determine joist spacing?
floor joist layout page
what is the common spacing that NVR uses for 2x10 floor joist? JSI
2x10: 16” OC
JSI: 19.2 OC
How is a 3’0” x 4’6” window indicated?
3046
What does a cross section show on a print?
Cuts the house in half so you can see through the house
what does O.C. indicate on the blueprints?
On center
what does “Fdn” indicate on the blueprints?
Foundation
what does “C/L” indicate on the blueprints?
Center line
What does “Opt” indicate on the blueprints?
Option
what does “Crs” indicate on the blueprints?
course (brick layout)
draw the symbol for a bearing wall
pg 3 (blueprint)
draw the symbol that indicates bearing point about
circle with X in the middle
draw the symbol that indicates an engineering page
oval with number inside
How is the size of a door indicated on the blueprints
26 with the swing of the door drawn where the door entrance is located
How can you tell what type of floor covering is used in a given area?
FLooring section on SAR and the floor break symbol:
C->/<-R
How can you tell if a bath is to be installed with a shower stall or a tub?
SAR and bathroom layout page
What page is a footer found on?
foundation footer page
how is the footer indicated on the prints?
dashed line around structure(wall or stairs)
_ _ _ _ _
I_ _ _ _ _I
On a footing layout, why is the overall dimension shown larger than that of the foundation?
Because footers are actually wider than foundation wall so it has a 4” reveal on each side
If the print indicates “to be selected”, where does one find the information for the item to be used?
SAR
How are the locations of the heat registers determined
HVAC layout page
How is a roof safety line device indicated on the Blue Prints?
*
If revisions have been made to the prints, where would the information be indicated?
Title block
Are the dimensions given from wall-to-wall, a finished dimension?
No, it is unfinished (it adds 1” for drywall per side)
