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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

Reverberation Time
The reverberation time of a room is defined as the time it takes for sound to decay by 60 dB after an abrupt termination...more
Part L1B
Conservation of fuel and power in Existing Dwellings

Downham Market - Water Usage Calculations - 01733 600 149
The office that covers this area is: Peterborough
Phone Number: 01733 600 149 Email: downham-market@e2consultants.co.uk
Our other services include:
Water Usage Calculations can also be known as:
Part G Water Calculation, Part G, Part G Water Calc, Water Usage Calculation, Water Calculations,


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