Commercial Lighting
(1) Offices, (2) Schools, (3) Hotels, (4) shopping centers, (5) cinema halls fall in the category of commercial group.
(1) Offices, (2) Schools, (3) Hotels, (4) shopping centers, (5) cinema halls fall in the category of commercial group.
(A) Office Lighting lumens level
(B) Requirements of Lighting in Office for Different Activities
(C) General Rules for Office Interior Lighting
(D) Office Buildings Lighting
(E) Lighting Provisions and Luminaires used
- In office lighting general lighting system is mostly used.
- Also direct lighting and somewhere semi – direct indirect systems of lighting is used .
- Luminaires and lamps : Fluorescent lamps/tubes, CFL, are preferred and are mounted on ceilings.
- On computer tables : pendent lighting and indirect lighting is also used.
- For general lighting : normally lighting are placed in room.
- For computer table tasks : The reading information this is new point transferring it to the key board, punch card is replaced by a self luminous display screen, a direct light and the glazed front of which veiling reflectors becomes an immediate disturbing factor.
- Hence most widely accepted lighting to meet these new requirements consists of individual or continuous lines of recessed low brightness luminaires.
- Reflected glare is reduced below that from conventional luminaires. Average 500 Lux uniformly maintained on horizontal.
- Lighting installation in conjunction with a visual display workstation.
- This is the indirect lighting system, given ceiling with a reasonably high reflectance. The large area of lit ceiling with a low luminance results in the complete absence of veiling reflections.
- This reduces illumination upto 300 Lux.
- Connections : light sources have been connected into the top sections of office furniture as an alternative to being the free standing up lights.