Berm

The space between the toe of a slope and excavation made for intercepting ditches or borrow pits.

Bid

The offer or process of the bidder submitted on the prescribed form setting forth the prices for the work to be performed.

Bidder

Any person, firm, or corporation submitting a bid for the work.

Biological Corrosion

CorrosionThe destruction of a material or its properties because of a reaction with its (environment) surroundings. that results from a reaction between the pipe material and organisms such as bacterial, algae, and fungi.

Bits

Replaceable cutting tools on the cutting head or drill string.