Installerretrofitters - Study guides, Class notes & Summaries

when a bottom hold down pad is used under a steel tank. - Ans the bedding material may be reduced to 6" cover in areas that are subject to vehicle traffic - Ans 30" compacted backfill and 6" of asphaltic concrete, or 18" of compacted backfill and 6 to 8" of reinforced concrete. paving over tanks in traffic areas should extend 1 foot beyond tank perimeter. - Ans cover in non traffic areas should be atleast 2' thick and consist of a minimum of 1' of backfill covered by filter fabric ...

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 tanks in traffic areas should extend 1 foot beyond tank perimeter. cover in non traffic areas should be atleast 2' thick and consist of a minimum of 1' of backfill covered by filter fabric...

u1 ust installer/retrofitters exam 2023/2024 question and answer

u1 ust installer_retrofitters

construct wells of factory slotted PVC or coated metallic pipe with 0.020-inch openings and allow water or released product to flow freely into the well. - Ans observation well must be 1 t0 2' below the bottom of the tank. monitoring well must be 5' below water table to a maximum of 5'. provide atleast 6" of clearance between piping and electrical conduits. seperate the piping by atleast twice the size of the piping diameter. provide atleast 6" between piping g and the excavation wall...

U1 ust installer/retrofitters Exam Questions And Correct Revised Answers When a bottom hold down pad is used under a steel tank. - answerthe bedding material may be reduced to 6" cover in areas that are subject to vehicle traffic - answer30" compacted backfill and 6" of asphaltic concrete, or 18" of compacted backfill and 6 to 8" of reinforced concrete. paving over tanks in traffic areas should extend 1 foot beyond tank perimeter. - answer cover in non traffic areas should be atleas...

u1 ust installer_retrofitters

u1 ust installer_retrofitters