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D

DTS

abbr. dense tar surfacing

A hot-process wearing course consisting of aggregate, filler and road tar, in such gradings and proportions that when hot can be spread and compacted, to provide a close-textured impervious mixture.

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DRI

abbr. demolition recovery index

This index represents the potential for recovering material from demolition for recycling or reuse, following the methodologies of the ICE Demolition Protocol.

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DRMT

abbr. Demolition recovered material target.

This represents the agreed target for recovering demolition material, following the methodologies of the ICE Demolition Protocol.

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DB

abbr. decibel

Unit for comparison of intensities of sounds and of power in electrical communications circuits.

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Dewatering Pump

A pump for the purpose of dewatering an excavation.  Such a pump may be required to operate submerged, to be self-priming, to run dry and to handle suspended solids.

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Dewatering pump

Dust Control Equipment

Dust control can be important from both employees' health and local environmental requirement viewpoints. There is a range of equipment that can assist in the control of dust, such as hoods, screens, extraction fans, water suppression sprays, and specific plants, such as sweepers, bowsers and wheel washers.

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Dust vacuum

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