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B-General Building 3
Framing/Structure
| Question | Answer |
|---|---|
| In order for a Nail to properly join two pieces of wood, ____________ of the nail must drive into the base | 2/3rds |
| In order to seal the bottom of a sill plate, it is sometimes required to use a | Sill Gasket Membrane |
| Joints in a double top plate should be offset with joints in the top plate by a minimum of | 4 feet |
| How tall must a Foundation cripple wall be to not require SOLID backing? | 14 inches |
| Any Habitable space should have a minimum ceiling height of | 7 feet |
| Any Habitable room (except kitchens) should have a minimum square feet of | 70 square feet |
| Every dwelling unit should have at least ONE room that is at least _______ square feet | 120 |
| What part of a Floor or Ceiling Joist may NOT be cut or notched | the middle 1/3 |
| A Girder must be pressure treated if it is within _______ of the ground | 12 inches |
| A Floor Joist must be pressure treated if it is within _______ of the ground | 18 inches |
| The post bottoms supporting the girders must be pressure treated if they are within _______ of the ground | 6 inches |
| Floor Joists must lap at least _______ on top of any wall, beam, or girder | 3 inches |
| What are the requirements for under floor ventilation in a crawl space? | 1 sq feet of venting per 150 sq feet of floor area |
| How large must the access hole be for the crawl space? | 18" x 24" |
| Standard nailing schedule for sub-floor? | 6 inches O.C on sides/ 12 inches O.c in field |
| All plywood sub-flooring must have SOLID backing unless you use | T& G |
| What is the maximum amount of notch in a joist? | 1/4 of the depth of the joist |
| When drilling a hole through a joist, the hole may not be within _____ of the top or bottom | 2 inches |
| When drilling a hole through a stud, the hole may not be within _______ of the edge | 5/8 inches |
| A bored hole through the weight bearing stud can be no more than ________ of the stud depth | 40% |
| A bored hole through a non-bearing stud can be no more than _______ of the stud depth | 60% |
| Private stairways must be at least ________ wide | 36 inches |
| A handrail can impinge on the stairway width by no more than | 4.5 inches |
| What is the lowest allowed rise and the highest allowed rise on a private staircase | 4 inches-7 3/4 inches |
| What is the lowest allowed run for a private staircase | 10 inches |
| What is the lowest allowed run for a private staircase without nosing | 11 inches |
| The largest tread width or riser will not exceed the smallest by more than ________ on a staircase | 3/8 inch |
| What size nosings are allowed on a staircase? | 3/4 inch - 1 1/4 inch |
| Open risers are allowed ONLY if a _______ cannot fit through the openings | 4 inch sphere |
| What is the minimum headroom clearance at any point on a stair way | 6 foot 8 inches |
| Which 2 places require 1-hour fire rated construction | Garages and under stair-ways |
| The main external stairway door must have a landing outside. The landing must be ______ | as wide as the door and at least 36 inches long |
| Stairways in a dwelling unit MUST have handrails if over _______ risers are present | 4 |
| What is the minimum clearance between the handrail and wall | 1 1/2" |
| How high above the stair tread nosing must a handrail be installed? | 34 to 38 inches |
| What are the allowed stair handrail diameters? | 1 1/4"-2" |
| What are the requirements for non circular stair handrails? | 4-6 1/4" perimeter with no more than 2 1/4" cross section |
| Any open sides of stairways, landings, balconies, decks etc. more than _______ above grade require gaurdrails | 30 inches |
| The tops of guardrails must be at least _______ above the standing surface | 42 inches |
| No where on a gaurdrail may a _________ pass through any opening | 4 inch sphere |
| A guardrail over a staircase needs to meet which requirements? | 42 inches from standing surface, 4 3/8" sphere cant pass through vertical guards, 6" sphere cant pass through bottom gaurds |
| A roof with two different slopes (one steep one shallow) is known as a | Gambrel Roof |
| The maximum workable slope on a roof is _____ | 8:12 |
| Flat roofs are known as roofs with a pitch of ______ | 2:12 or less |
| a Roof with a steep slope is also known as a | Mansard Roof |
| What must be used to attach rafters to the ridge boards? | Gusset plates or comparable hardware, Nails are not allowed |
| Define Purlins | They run perpendicular to the rafters and are braced to walls or beams below |
| How often must a Purlin be braced? | 4 feet O.C |
| When must a Purlin brace be a 4x4? | When the length is over 6 feet |
| What is the longest you can make a Purlin brace? | 8 feet |
| What are the requirements for Roof Ventilation? | 1 square feet of opening for every 150 square feet of roof |
| What can I use to set rafters without cutting birdsmouths? | VPA connectors |
| Metal roof panels which can be installed over open-frame sheathing is known as | Structural Metal Roof panels |
| Double Top Plates should be nailed together with _________ | 16d every 24 inches |
| Attic Openings should be ________ | 20 " x 30" |
| The attic area directly above the attic opening should have | 30 inches of head room |
| A roof with 3:12 pitch or greater and joinst 16" O.C. should have OSB plywood at least ________ | 15/32" |
| Define a "single ply" roof | Membrane Roofing System (paper, shingles) |
| When framing walls, what is an acceptable variation in heighths? | 1/2" |
| U-Shaped Kitchens should have at least __________ between opposing cabinets and countertops | 60 inches |
| Walk through Kitchens should have at least ________ between oppopsing cabinets and countertops | 40 inches |
| When applying shingles on a roof with a slope LESS than 4:12, what type of paper must be used? | #30 felt |
| Diagonal Bracing with steel or 1x4 must be at a ________ angle | 45 to 60 degree |
| define a "prowl" | It's the part of a roof that is kicked out with outriggers and fascia |
| load bearing joists cannot cantilever more than ___________ | 1x the depth of the joist |
| BUR and single-ply shall not be applied on roof slopes less than | 1/4 : 12 |
| Ceiling Joists on top of a 24" spaced wall cannot be more than __________ from a stud | 5" |
| Modified Bitumen roofing is also known as ____________ | Torch Down |
| Usually, Deck Joists can cantilever ___________ | 1/4x the supported length |
| How long will a 2x4 give fire protection? | 1 hour |
| A floor joist can cantilever ____________ | 4x the joist height |
| OSB on a non-flat roof with 24" O.C Joists should be | 5/8 inch |
| Define a BUR (Built-Up Roof) | multiple layers of room laminated with Asphalt Bitumen or "Torch Down" |
| What type of felt do you need on a shake roof with a 4:12 pitch or more ? | #30 asphalt |
| What is the minimum slope of a tile roof? | 2 1/2 : 12 |
| What type of lumber is used in trusses? | No. 1 structural lumber |
| Define an "out-rigger rafter" | A rafter going off of a hip running perpendicular to the common rafters |
| What size plywood should be used on a wall with 24" O.C studs | 3/8 |
| What size plywood should be used on a wall with 16" O.C studs | 5/16 |
| What are the rules to how holes should be spaced in an I-Joist | they should be spaced by 2x the diameter of the largest hole |
| What is a Hog Valley? | they form when two slopes together |
| A standard fire rated door will burn for | 20 minutes |
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yobryan2009
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