Owner Builder | 89 Questions And Answers With
Complete Solutions | Already Graded A+
what is the scale on drawings ( module 4) - ANSWER 1/4 inch
what is a green building - ANSWER grey water systems, heat exchange, low
flush toilets, solar hot water, and vaultoaeic collectors on roof
What is a letter of assurance - ANSWER uniform mandatory document
intended to clearly identify responsibility of key individual
numbers for live loads:
1. what is a live load on a floor
2. what is the live load on a balcony and deck
3. what is the live load in attic - ANSWER 1. 2.4 kpascals
2. 1.9 kpascals
3. .35 kpascals
at what height is fall protection required - ANSWER 10 feet or 3 meters
or if hazardous rock or near cliff below
what is guardrail height - ANSWER 40 - 44 inches above work surface + midrail
+ toerail
, what is slope rule for ladder - ANSWER 4-2-1
4 meters high, one meter from wall or support
CSA approved ladder **
how far past point of contact does a ladder need to extend ? - ANSWER 3 feet
what is letter of assurance - ANSWER uniform mandatory document
highlighting key roles and who is responsible for design, inspection, or review (
they sign off and stamp it)
i.e engineer
what is typical truss spacing - ANSWER in residential structures : 24 inches
what is ideal humidity inside the home? - ANSWER 50-60%
at what depth do trenches need shoring - ANSWER greater than 4 feet ( 1.2 m)
what is horizontal distance between cables and gas lines? - ANSWER 12 inches
or 300 mm
how deep is gas line and what is minimum clearance above and below ( for other
lines)? - ANSWER 6 inches deep
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