when a bottom hold down pad is used under a steel tank.
~~> the bedding material may be reduced to 6"
cover in areas that are subject to vehicle traffic
~~> 30" compacted backfill and 6" of asphaltic concrete, or 18" of
compacted backfill and 6 to 8" of reinforced concrete. paving over...
to provide a firm foundation set tanks on atleast....... of backfill
✓ ~~> 1' thick that extends 1' beyond ends and sides of tank.
how many feet of backfill is required between adjacent tanks and tanks and
excavation wals?
✓ ~~> 2'
excavation material must be stockpiled atleased..... from tank
✓ ~~> 2'
what's the allowed size for pea gravel backfill
✓ ~~> 3/4"
what's the allowed crushed rock backfill size?
✓ ~~> 1/2"
when sand is used for backfill you must compacted is ....... lifts
✓ ~~> 12 to 18" lifts and must compact after each lift. repeat until this
level is atleast 60% of vertical height of tank.
when deadmen are used you should place them where?
Master01 | September, 2024/2025 | Latest update
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