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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
Point of Reference
10 dBA is the sound level of normal human breathing. To put it into perspective, thunder is a whopping 120 dBA...more
Part L1B
Conservation of fuel and power in Existing Dwellings
For work carried out on existing buildings other than dwellings including alterations and extensions.
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Part G Water Calc can also be known as:
Water Calculations, Part G, Water Usage Calculation, Part G Water Calculation,
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