Theater of Operations Flashcards
What are the categories of lumber?
Hardwood
Softwood
Bamboo
Palm
What are the grades for seasoned softwood?
Yard lumber (finished, common boards, common dimension) Structural lumber (Density, Strength, Thickness) Factory/ Shop grad
What is sheathing used for?
Floor
Wall
Roof
What are the two types of strong connection?
Joints
Splices
What is a joint?
A connection of two or more pieces that meet at an angle
What is a splice?
A connection of two or more members that continue in a straight line
What is a splice designed to resist stresses of?
Tension
Compression
Bending
What are the four primary types of nails?
Common wire
Finishing
Scaffolding
Roofing
What is the range of nail’s size?
2d to 60d
What size of nails to you use for sheathing?
8d
What size of nails to you use for framing?
16d
How much of the nail should be in the second board?
2/3
What is the design life?
How long can the building stay with no repairs
What are the three categories of design life?
Permanent 25 and more
Semi-permanent 5 to 25
Temporary less than 5
What are the four components of the substructure?
Footer
Girder
Joist
Subfloor
What are the components of of footer?
Footing
Spreader
Scab
Post
What is the maximum distance between footer?
10’ (8’ at SOC)
What are the footer made of?
Pressure treated lumber
What is the spacing on center between joist?
16’’
What is a truss jig?
A pattern that helps assemble many similar truss
What are the fascia plate and the purloins?
See Figure
What is the typical distance between trusses?
24’’ OC
What are the different types of roof?
Gable
Lean-to
Hip
Valley
What are the ridge, seat, bird mouth and tail cuts?
Figure
What is the maximum allowed variation in any stairway system?
1/4’’
What is the range of angle in your stairs?
30-50
What is the range for riser?
7-9’’
What is the range for tread?
8-11’’
What are the dimension of the mud sill?
2*4
What are the steps in the installation of stairs?
Install ledger
Install mud sill
Place the stringers square to the building
Deck the tread
Define run, rise, tread and nosing protection?
…
What is the minimum distance on the stringer?
3 1/2’’
What is the typical distance between rafters?
16’’ OC
What are the two types of joints?
Butt
Lap
What are the four types of corner?
Three studs
Two-studs
Blocked-up
(Three stud channel)(Wall tie)
What are the gussets made of?
1/2’’ Plywood
What are typical purloins made of?
2*4
What are typical rafters made of?
2*6
What are typical joist made of?
2*6