Excavation/Grading Flashcards
Minimum overdig for crawl space foundation
2 feet
Name three things considered when excavating a foundation with excess dirt?
- keep trucks ready
- haul to stockpiles
- adjust house elevation to minimize hauling
Protection for equipment of pavement/curbs
- wood planks
- tires
- silt fence under 3/4” stone
What should be accomplished by rough grading of a lot?
- establishing Swales
- drainage away from house
- cut for lead walks and driveways
- evaluate if need for dirt
Tools needed to check excavation
- lock level
- 100’ tape
- blueprints
- phase specs
When is a driveway excavated for a house with integral garage?
During back fill
What are three solutions for rock problems?
- hoe ram
- blasting
- raise house
Why should excess fill be removed during excavation?
- room for dumpster/lumber
- appearance
What phases should be completed before backfilling for rough grade?
- 8” minimum below top of foundation or slab
- 6” minimum of fall in first 10’ away from foundation
- no dirt piles left on lot
- all debris moved
What establishes final grade
8” minimum below framing member
-remove large debris from lot
Driveways and walks poured and complete
How far below the bottom of the lowest framing member should the final grade be held at a minimum and why.
- 8”
- to keep water running away from house
When grading home, how far should equipment stay away from house.
2 feet
What is minimum overdig for full basement foundations.
3’
What is the minimum overdig for knee wall foundation ?
2’
What is the minimum overdig for crawl space?
2’
