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Good Hearing?
A typical person with good hearing can hear from about 20Hz to 20kHz (the audio bandwidth). A person's voice will usually range from 500Hz to 2kHz...more

Sound Insulation
Two parameters describe sound insulation; Dw and Rw. Dw is the insulation between rooms. Rw is the lab-tested insulation of a wall/floor...more
Part L1A
Conservation of fuel and power IN NEW DWELLINGS

Perton - Water Calculations - 0121 381 0129
The office that covers this area is: Birmingham
Phone Number: 0121 381 0129 Email: perton@e2consultants.co.uk
Our other services include:
Water Calculations can also be known as:
Water Usage Calculation, Part G Water Calculation, Part G, Part G Water Calc,


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