Theatre Of Operations Flashcards
What are the types of lumber?
Hardwood
Softwood
Bamboo
Palm
What are the classes of lumber?
Yard lumber
Structural lumber
Factory lumber
What are the subcategories of yard lumber?
Select lumber
Common lumber
How big is a 2x4?
1 1/2” x 3 1/2”
What is the standard size of plywood?
4x8
How do you calculate for lumber needed?
BF= T x W x L x # of pieces/ 12 or 144
If L = feet what do you divide by?
12
If L = inches what do you divide by?
144
What is BF?
Board Feet
What is BM?
Board Measure
How do you determine BM?
1” or smaller, add 20%
2” or larger, add 10%
How do you find the number of sheets needed for sheathing?
Linear feet x height/ 32
How do you find nails needed in lbs for framing?
D/6 x BM/100 = pounds
How do you find pounds for nails for sheathing?
D/4 x BM/100
What are the types of joints?
Butt
Lap
How far do nails need to penetrate?
2/3
How long is a permanent building intended to stand?
25 years or longer
How long is a semi-permanent building intended to stand?
5-25 years
How long is a temporary building intended to stand?
5 years
What are the components of substructure?
Footer, girders, joist, sub floor, bridging
When should all wooden members be treated?
When less than 18” from the ground.
How is a finished floor laid?
Offset from sub floor
What is the formula for floor sheathing?
L x W/32 round up x 2
What are the truss components?
Hangar Long Web Short web Gusset Bottom cord Top cord Heel point gusset Third point gusset 1/4 point gusset Peak point gusset
What are the wall components?
Sole plate Stud Jack stud King stud Header Sill Crippler Fire block Top plate Double top plate
