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Above Grade and Below Grade

Above Grade and Below Grade

Above Grade and Below Grade

(OP)
Could someone please explain and define:

1. Above Grade Pipe
2. Below Grade Pipe

Thank you,

LeitoGM

RE: Above Grade and Below Grade

Grade = finished ground level. I'm sure you can work it out from there....

My motto: Learn something new every day

Also: There's usually a good reason why everyone does it that way

RE: Above Grade and Below Grade

(OP)

RE: Above Grade and Below Grade

LeitoGM,
Above Ground Piping - Any piping you can see, maintain or replace with out using a shovel to gain access. Piping in an open Trench is considered Above Ground.

Below Ground Piping - Any piping you need a shovel to gain access for maintenance or modification.

Submerged Piping - Any piping laying on the bottom of the ocean, a river, a lake or other body of water.


Note - Many cross country Pipelines may have one or all of the above, sometimes repeated many times over.

prognosis: Lead or Lag

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