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Laboratory Furniture and fume hood The primary objective in laboratory design should be to provide a safe, accessible environment for laboratory personnel to conduct their work. A secondary objective is to allow for maximum flexibility for safe research and teaching use. Therefore, health and safety hazards shall be anticipated and arefully evaluated so that protective measures can be incorporated into the design wherever possible. However, no matter how well designed a laboratory is, improper usage of its facilities will always defeat the engineered safety features. Proper education of the facility users is essential. Building Design Issues Because the handling and storage of hazardous materials inherently carries a high risk of exposure and injury, it is important to segregate laboratory and non-laboratory activities. Laboratory Design Considerations 3. Mechanical climate control should be provided as needed. 4. When office and laboratory spaces are connected, design pressure differentials across closed doors between the spaces to prevent lab emissions from entering office spaces. 5. Design laboratory workstations to accommodate the needs of the work and the range of body dimensions that may be using the workstations. 6. Each laboratory where hazardous materials, whether chemical, biological, or radioactive, are used, shall contain a sink for hand washing. 7. All work surfaces shall be impervious to the chemicals and materials used in the laboratory. 8. The laboratory shall be designed so that it can be easily cleaned. Bench tops should be of a seamless one-piece design to prevent contamination. Penetrations for electrical, plumbing, and other considerations shall be completely and permanently sealed. If the bench top abuts a wall, it shall be covered or have a backsplash against the wall. 9. Laboratory flooring in chemical use areas and other high hazard areas (such as biological containment facilities) shall be chemically resistant and preferably one-piece construction with covings to the wall. 10. The walls shall be non-porous and painted with a durable, impervious finish in such a manner to facilitate decontamination and cleaning. High gloss paint is recommended. abuts a wall, it shall be covered or have a backsplash against the wall. D. Building Requirements 1. Designer Qualifications — The designer shall have the appropriate professional license in his/her area of expertise and have prior experience designing laboratories similar in scope to UW projects that e/she is being hired to design. 2. Building Occupancy Classification and Control Areas— Occupancy classification and control areas should be based upon an assessment of the projected chemical inventory of the building. Early in building design, the Architectural/Engineering (A/E) design team will need to assign occupancy classification and control areas for specific areas of the building to ensure conformance with building and fire codes. 3. Environmental Permits — The UW is the lead agency for compliance with the State Environmental Policy Act (SEPA). Project managers shall consult with the Environmental Planner for Capital Projects to identify environmental and permit requirements for the building. This should be done well before key resource allocation decisions are made. E. Hazardous Materials Design Issues 1. Facilities shall be designed so that use of a respirator is not required for normal operations. 2. A pressure-differential system should be used to control the flow of airborne contamination. The flow should always be from clean areas to contaminated areas, but it shall be recognized that similar areas may not always require the same ventilation characteristics 3. There must be adequate in-laboratory storage cabinets to store reagents and chemicals and to provide segregation of incompatible materials. Storage design should be based on projected quantities and waste management practices. Chemical waste may be stored on site over a considerable length of time until a sufficient quantity warrants off site disposal. 4. Sufficient space or facilities (e.g., storage cabinets with partitions, secondary containment trays etc.) should be provided such that incompatible chemicals and compressed gasses can be physically separated. When designing shelves and shelf spacing, it is important to include enough space (height and depth) for secondary containers. 5. An area for a spill kit must be provided within the laboratory or at a centralized area with a laboratory suite. Information on spill kits and procedures may be found 6. The laboratory shall have a means of securing specifically regulated materials such as controlled substances regulated by the Drug Enforcement Administration and radioactive materials, select agents, 7. See Chapters 5 and 6 of the Guide for additional requirements for compressed gas storage and hazardous materials cabinets. http://www.fumexasia.com
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