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HavMain can offer a number of lighting desing services provided by professionally qualified and trained engineers; Design a lighting system inconjunction with our mechanical designers to ensure compliance to Part L building regulations, adhere to LG3 (Lighting Guidance from the CIBSE) and provide an ideal lit environment suited to the use of the building/room whilst acknowledging the financial constraints. We can model, analyse and report on an existing lighting installationto provide improvements to the aesthetics, energy efficiency and ensure compliance to LG3.
Everyone has a budget to meet and we are well aware that the most expensive solution is never the best. LG3 Compliance
LG3 compliance indicates that the lighting solution for a room meets the recommendations set out in the CIBSE Lighting Guide (including LG3 addendum 2001). This document recommends that the peak and average luminance do not exceed specified levels, the luminance should vary gradually across the surface and that there are no excessively bright or dark patches. The following recomendations should be met:
- The average luminance on any surface lit directly should not exceed 500cd/m2.
- The average wall illuminance should be at least 50% of the average working plane illuminance.
- The average ceiling illuminance should be at least 30% of the average working plane illuminance.

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