Field Erected Tanks Anchor Channel, Steel Bottom, &

Field Erected Tanks Anchor Channel, Steel Bottom, &

Field Erected Tanks Anchor Channel, Steel Bottom, & Elevated By the end of this presentation you should

know.

What is a knock down tank? What is an Anchor Channel Tank; why use one? What is a Steel Bottom tank; why use one? What is an Elevated tank; why use one?

Why is seismic information important? Why is customers completion date important at bid time? What are some important factors in field erection?

Knock Down Tank Anchor Channel Tank

Lowest cost for WesTech to supply Full concrete floor required Used in non-corrosive situations

Anchor Channel Tank Tank ships knock down in many pieces A structural channel is the

anchorage to the foundation Channel ships before the foundation is installed.

Anchor Channel Tank Anchor Channel Tank

Anchor Channel Tank Anchor Channel Tank

Anchor Channel Tank Anchor Channel Tank

Steel Bottom Tank More expensive than AC tank due to steel floor

Full concrete floor or concrete ring with compacted fill foundation Typically used in corrosive situations or where environmental containment is neccessay

Can have a false bottom to avoid underground piping Steel Bottom Tank

Anchor chairs tie tank to foundation Tank ships knock down in many pieces

Steel Bottom Tank Steel Bottom Tank

Steel Bottom Tank Steel Bottom Tank

Steel Bottom Tank Steel Bottom Tank False Bottom

Elevated Tank Most expensive type of tank Concrete pad(s) or piles

Typically used in any of the following: Where environmental containment is necessary Where excavation is not desired Where the underflow pumps need to be very

close to the underflow cone Operators need to have access to the pumps Elevated Tank

Anchor bolts tie tank to foundation Tank ships knock down in may

pieces Elevated Tank

Elevated Tank Elevated Tank

Elevated Tank Elevated Tank

Design Standards All clarifier / thickener tanks can comply to portions of AWWA and API standards Not all portions of AWWA and API are applicable

to our tanks Portions of our tanks use AISC design standards All tank designs require seismic data for design Concrete vs Steel

Design Standards - Seismic Design Standards - Seismic

Field Erection Considerations

Paint Site Location Weather Labor Type and Cost

Schedule Deadlines Tank Erection - Paint

Site Weather

Labor Type and Cost Schedule

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