April 7, 2020

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Common mistakes engineers make when specifying a Sectional Water tank - How to Spec a Water tank

The Tank is the easy part .......


So ... lets start there ....


1  Brand Name (if allowed)

2  Specification ( Bs/SABS/BOBS/SIRI)

3  Tank size (Length X Width X Height)

4  Nozzle Sizes -- Inlet, Outlet, Overflow, Drain

5  Stand Height / Ground Tank ....

6  Stand Functions – catwalk, access ladders, safely hand railing, Lightening protection


………, now for the stuff forgotten.


A)    Pipework specification – with battery limits (usually 600 below NGL)

B)    Pipework supports – Thrust Blocks on the elbows, Steel pipe supports along the stand height.

C)    Size of the holding down bolts …

D)    Lightening protection – ( SABS approved – Certificates required)

E)     Design calculation for proposed stand to include for raw calculation + Professional insurance.

F)    Soil Testing – (especially DCP testing on the actual tank position)






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