Offices Nationwide
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
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
Intended to assist the construction industry to comply with the performance standards of Regulations.
Copyright 2026 E2 Specialist Consultants Limited
Company No. 06728970
In Area L
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