Building Code Flashcards
There shall not be less than one boring or exploration shaft for each ______sq.ft of building area at the foundation level with a minimum of ____ provided for any one building.
5,000 sqft
2
A subsurface solid investigation shall be performed to determine whether the existing ground-water table is above or within ___ feet below the elevation of the lowest floor where such floor is located below the finished ground level adjacent to the foundation.
5 feet
Ground immediately adjacent to the foundation shall be sloped away from the building at a slope of NOT LESS than 1 unit (vertical) in 20 units ( horizontal) from a minimum distance of 10 feet. What percentage is the slope ?
5% slope
Swales used to provide an alternative method of diverting water away from the foundation shall be sloped NOT LESS than ___% where located within 10 feet of the building foundation.
2%
Where climatic or soil conditions warrant , the slope of the ground away from the building foundation shall be permitted to be reduced to not less than 1 unit vertical in 48 units horizontal ,which is how much in percents sloped ?
2%
Compacted fill material ____ inches in-depth or less need NOT comply with an approved report, provided that the in place dry density is not less than 90% of the maximum dry density at optimum moisture
12”
When water-proofing , it shall be applied from the bottom of the wall to not less than _____ inches
12 inches
What is an example of a Class 1 (A) soil and it’s pressure ?
Crystalline bedrock
12,000 psf
What are Class 2 (B) soils and it’s pressure ?
Sedimentary and Foliated rock
4,000 psf
What are Class 3 materials and it’s pressure ?
Sandy Gravel and Gravel ( GW and GP)
3,000 psf
What is a Class 4 soil and its pressure ?
Sand, silty sand, clayey sand, silty gravel.
2,000 psf
What are class 5 soils and it’s pressure ?
Clay, sandy clay, silty clay, clayey. Silt, silt and sandy silt.
1,500 psf
Foundation walls of rough or random rubble stone shall not be less than ______
16 inches
Retaining walls supporting more than ____ feet of backfill height shall incorporate additional seismic lateral earth pressure.
6 feet
Retaining walls shall be designed to resist the lateral action of soil to produce sliding and overturning with a minimum safety factor of ____ in each case.
1.5