Lighting Requirements For Equipment Servicing; Working Space For Component Access - HP BL685c - ProLiant - 4 GB RAM Site Planning Manual

Lighting requirements for equipment servicing

Adequate lighting and utility outlets in a computer room reduce the possibility of accidents and improve
efficiency during equipment servicing. The minimum recommended illumination level is 756 lm/m
foot candles) when the light level is measured at 762 mm (30 in) above the floor.
Occupancy-controlled lighting, with manual override switches for use during extended occupancy periods
or for servicing, is more efficient and less costly. For example, adequate lighting reduces the chance of
connector damage when cables are installed or removed. The HP Rack Light Kit (part number 361589-
B21) can also be installed at the rear of the rack to ensure adequate lighting is available.

Working space for component access

The recommended working space for performing maintenance is 1.2 m (4 ft) from either side of, in front
of, or behind the server. The work space must permit at least a 90 degree opening of equipment doors or
hinged panels. When planning for the working space area, consider whether access to the server will be
at the front, the side, or the rear of the component.
General site preparation guidelines 14
2 (70