U1: UST Installation and Retrofitting
8" reinforced concrete - ANS-a bottom hold-down pad is typically constructed of
40 - ANS-aboveground piping should be Schedule _____ galvanized or painted/coated
black steel pipe
1. be fully compatible with the products stores and the underground environment
2. have sufficient strength to withstand the stress produced during construction. -
ANS-all piping components, including, fittings, gasket, o-rings, pipedope, and piping
itself must:
1/8" thick 1 foot below - ANS-electrical isolation material used on tank straps for steel
and composite tanks should be atleast ____ thick wider than the strap, and should
extend______ below the widest part of the tank
False - ANS-Flex connectors are not required on flexible pipe.
Aboveground - ANS-flex connectors installed in dispenser or intermediate sumps should
be listed for _____ use.
aboveground or underground - ANS-flex connectors installed in tank-top stumps should
be listed for
1. Slotted PVC
2. Perforated PVC
3. Coated metal pipe - ANS-groundwater monitoring wells should be constructed with
0.020 inch openings and permeable backfill to allow water or released product to flow
freely through the well. well should be contructed of
250/300 # - ANS-Installing Steel Unions Underground is not recommended. If it is
unavoidable use _______
ground joint unions and provide access for service.
1 Foot - ANS-Material used to provide electrical isolation between tank strap and a steel
tank should be at
least 1/8" thick, wider than the strap, and extend ______ below the widest part of the
Tank.
8" reinforced concrete - ANS-a bottom hold-down pad is typically constructed of
40 - ANS-aboveground piping should be Schedule _____ galvanized or painted/coated
black steel pipe
1. be fully compatible with the products stores and the underground environment
2. have sufficient strength to withstand the stress produced during construction. -
ANS-all piping components, including, fittings, gasket, o-rings, pipedope, and piping
itself must:
1/8" thick 1 foot below - ANS-electrical isolation material used on tank straps for steel
and composite tanks should be atleast ____ thick wider than the strap, and should
extend______ below the widest part of the tank
False - ANS-Flex connectors are not required on flexible pipe.
Aboveground - ANS-flex connectors installed in dispenser or intermediate sumps should
be listed for _____ use.
aboveground or underground - ANS-flex connectors installed in tank-top stumps should
be listed for
1. Slotted PVC
2. Perforated PVC
3. Coated metal pipe - ANS-groundwater monitoring wells should be constructed with
0.020 inch openings and permeable backfill to allow water or released product to flow
freely through the well. well should be contructed of
250/300 # - ANS-Installing Steel Unions Underground is not recommended. If it is
unavoidable use _______
ground joint unions and provide access for service.
1 Foot - ANS-Material used to provide electrical isolation between tank strap and a steel
tank should be at
least 1/8" thick, wider than the strap, and extend ______ below the widest part of the
Tank.
