H-1 Task 1 Flashcards
3 wall and floor systems?
- platform frame
- balloon frame
- post, beam, plank
What part of the code book covers 24” o.c. & under? What part covers over 24” o.c.?
- part 9 for 24” or under
- part 6 for over 24”
Platform framing
Wall height?
Stud length?
Shrinkage for each wall? (Bottom plate, stud, two top plates?
Wall height 8’ 3/4”
Stud length 92 1/4”
1/2” per floor
Balloon framing Wall length? Approximate stud length? What holds up the second storey joists? What is required each floor level of balloon framing stud cavities?
Wall length runs continous from sill plate (foundation) to top of second storey wall 18 feet long Ledger that is let into balloon framed walls Fire stops (solid blocking)
Why is platform used more that balloon?
What part of code book covers post, beam, and plank?
For that part, who is needed to design and inspect the work?
Balloon is more time consuming, now rarely used
Part 4
Professional engineer
Post, Beam, Plank
What makes this framing different from platform/balloon framing?
Whats the upside of planks over plywood?
With the large spans, what must you take in consideration?
Larger dimensional members that are spaced more than 24” o.c.
Planking is thicker, allowing a larger span
As the members of post, beam, plank increase. Foundation of the points of load must as well
Difference between Post, Beam, Plank and Heavy Timber Construction?
What are the 3 industial buildings that use timber framing?
Heavy timber uses beams/columns 5” or larger
Standard-mill, Semi-mill, Laminated-mill construction
How is standard-mill constructed?
How is Semi-mill constructed?
How is Laminated-mill constructed?
Standard-mill: a column supports the girder, and the girders support the planks that rest directly on the girder
Semi-mill: column supports the girders, the girders support the beams (smaller girders), then the beams support the floor planking
Laminated-mill: column supports the girder, the girder supports the planks (planks are nailed together making them laminated)
Which side of lumber will shrink the most?
Which of the 3 wall and flooring systems will have the most shrinkage?
How is post, beam, plank designed if shrinkage is a concern?
Two cladding materials that will have issues with shrinkage?
Across its width
Platform
Posts will be constructed to run from the foundation to the roof, and beams will be supported using welded steel brackets attached to the side of the post
Cement stucco and masonary veneer
What can be done to prep for shrinkage for cement stucco?
What can be done to prep for shrinkage for masonry veneer?
What will take damage under shrinkage, framing or masonry veneer?
Use expansion joints at each floor level to allow the building to move without buckling the stucco
Space must be left at the top of the masonry veneer, and the space is dependant on the amount of floors.
Framing will take damage over masonry veneer
Truss roof systems are common with which type of wall/floor system?
Roof beam system are common with which type of wall/floor system?
Using combination framing systems, changing plans will require what?
Trusses are common with platform and balloon framing
Roof beams are common with post, beam, plank
A complete review of the design, ex. Removing a bearing wall with a beam may require the foundation to be increased in size
What is permanent wood foundation?
What are the 3 properties of PWF?
A load bearing, wood frame wall system designed to support light frame construction below grade
- lumber and plywood can support the lateral soil pressures
- all materials in contact with the ground are protected against decay and insects by pressure treating
- protect the building material by directing any ground water away from the foundation
What are the 3 types of wood foundation?
2 main principles for energy efficient framing?
Hint: techniques
- Concrete slab or wood sleeper floor
- suspended wood floor basement
- unexcaveted or partially excavated crawl space
- framing techniques that eliminate unnecessary lumber
- framing techniques that leave access for the installation of insulation
What is thermal bridging?
What R-value does wood and insulation have per inch?
An area of significant lower insulation levels due to their location of framing members
Wood has R-1 value, insulation has R-3 value per inch
What are some energy effienct techniques?
