Page 153 - LNA Standards Manual 2018 update

Acoustics ABSORB offices. Exposed structure areas should have high ceilings (over 15 feet) to minimize reflections between adjacent workstations. Under 15 absorptive material like Tectum having a high Articulation Class (AC), wrapped panels and banners help to add absorptive surfaces and In areas with lower structural heights or existing obstacles to exposed minimum ceiling height of 9 feet; ceilings lower than 9 feet should be avoided. Where required, acou
structure, a high quality acoustic ceiling should be utilized with a
The ceiling is the most prominent reflecting surface in open plan
typically 200 or greater. Additional use of baffles, clouds, fabric
feet, the exposed structural deck should be enveloped with an

attenuator or a noise blocking apparatus.

noise and transmission noise. Vertical wall panels and acoustic dividers should be employed to absorb and block sound between work stations.

diffuse sound.