Identify procedures for foundation, drainage, damp, proofing, or waterproofing and backfilling Flashcards
Where should I drain pipe drain to?
Sewer, drain ditch, and drywell
What is the minimum diameter for drain pipe?
100 mm 9.14.3.2
When dampproofing is installed below slabs what type of material is acceptable?
Polyethylene .15 mil, thick poly 9.13.2.6 1a
Dampproofing may be installed over slabs in only one circumstance
Where a separate floor is provided 9.13.2.6
How was the accumulation of water under slabs prevented?
By grading or drainage, avoiding water ingress meaning water, accumulation, 9.16.3.1
What must be done to ensure proper drainage in the crawlspace
That it drains to the ditch, the sewer or the drywall 9.14.5.1
What should the top and sides of the drainage tile be covered with?
Rock coverage sheathing paper . 10 mm poly tarpaper 9.14.3.3.
What should drain tile will be laid on
Undisturbed, Orwell, compact soil
How much slope should I properly install? Drain tile have
1/8 per foot or 10 mm per slope
At what elevation should drain tile be placed?
Below the bottom of the floor slab, not lower than the bottom of the footing
What is the purpose of crushed rock over the drain tile?
Filters out dirt
Why is drain tile under a basement floor slab sometimes necessary
Prevents the floor from heaving and heavy clear he is from a buildup of water and soil pressure
Before dampproofing a foundation wall, the Thai holes should be filled with caulking or plastic cement. Why?
To prevent rusting and prevent seepage
When is dampproofing required on the interior of the foundation?
Always in exposed concrete and where hydrostatic pressure occurs 9.13.2.1 1a and 1B
Why should polyethylene dampproofing be used under basement slab?
A gas barrier, and to keep the dampness from the soil below from entering the basement
