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Identify the missing data. (a)Jetting hole

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in Construction & Building Materials by (189k points)
Identify the missing data.

(a) Jetting hole

(b) Header

(c) Riser

(d) Swinger arm

I got this question during an interview.

The query is from Deep Excavations in section Deep Excavations, Pile Foundations and Caisson of Construction & Building Materials

1 Answer

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Correct choice is (b) Header

Easiest explanation: A Header is a pipe to which all the swinger arms of the different well points are attached. The header, in turn, is connected to a pumping unit. The header is laid on the ground and its diameter varies from 150 mm to 250 mm.

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