Prerequisite 4: Assess Minimum Ventilation Requirements
To determine minimum ventilation requirements in laboratories based
on user needs, health/safety protection and energy consumption
The ventilation requirements shall be determined and documented
by a team including each of the following professionals: A/E Team,
Laboratory Consultants*, User Representative, Owner Facilities
Group, Owner Environmental Health & Safety, Commissioning Authority*,
Construction Manager* (*If these have not been appointed, an individual
who independently and conscientiously represents these interests.)
The team shall, at a minimum, do the following:
- Determine the necessary fresh air ventilation rate and number
of fume hoods and other exhaust devices based on applicable codes
and the planned use of the laboratory over the next 5 years.
- Consider exhaust alternatives such as instrument exhausts and
ventilated storage cabinets with very low flow ventilation and
good ergonomic accessibility.
- Develop a workable fume hood sash management plan including:
a) Informational placards for hoods; b) Awareness and Use Training.
The Sash Management Plan should be incorporated in the Chemical
Hygiene Plan for the laboratory.
The process and findings should be documented.
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