For Biosafety Level 2 applications involving toxic chemicals or radionuclides, a Class II- B type cabinet must be installed. This can be achieved by use of glue, heat welded vinyl flooring, epoxy coated concrete slab, etc. For further guidance on complying with UK Fire Regulations, take a look at this short guide to making your premises safe from fire. This reduces fan size, motor horsepower, make up air volume, and make up air conditioning costs. EH&S should be consulted to review arrangements for providing fresh and exhaust air during periods of occupancy and for storage of hazardous materials or compressed gases. Light fixtures must be displaced or covered by a transparent impact resistant vapor tight shield to prevent vapor contact. Because the handling and storage of hazardous materials inherently carries a higher risk of exposure and injury, it is important to segregate laboratory and non-laboratory activities. There are several specific OSHA standards that apply to laboratories as well as other OSHA standards that apply to various aspects of laboratory activities. Flammable Liquid Storage Cabinets shall be conspicuously labeled in red letters on contrasting background “FLAMMABLE – KEEP FIRE AWAY.”, CCR, Title 24, Part 9, Section 7902. d)  Ductwork for perchloric acid hoods and exhaust systems shall take the shortest and straightest path to the outside of the building and shall not be manifolded with other exhaust systems. DiBerardinis, Louis, et al. 1. When gas cabinets or exhausted enclosures are provided they shall: CCR, Title 24, Part 9, Section 8003., 8003., 8003. The Department of Education states that ‘There are no regulations controlling the size of individual laboratories, but adequate space is clearly needed for safe practical work.’. 10  Laboratory hoods and special local exhaust ventilation systems (SLEV) shall be labeled to indicate intended use (e.g., “Perchloric Acid Hood”). The resulting construction projects often have significant health and safety requirements due to regulatory oversight. The purpose of the Los Alamos National Laboratory Engineering Standards is to define the minimum technical requirements for the design, fabrication, construction, commissioning, repair, and replacement of both new and existing equipment and facilities, including both maintenance and modification, for programmatic and facility work at LANL. Contact the Stanford fire Marshal for further information. 21. Separate storage for full or empty cylinders is preferred. 4. While NFPA 30 Chapter 4-3.1 still contains the limit, it is preempted by the California Fire Code and is therefore not enforceable.]. Title. 29. For example, you may opt to incorporate FD60-rated fire safe walls into your lab in place of a more expensive sprinkler system. P.E. 4. Plumbed eyewash and shower equipment shall be activated at least monthly to flush the line and to verify proper operation. The Guide is a resource document for use by faculty, staff, and design professionals for use during the planning and early design phases of a project. A vane anemometer is used to measure airflow, and to determine how efficiently the system is removing fumes from the lab and exhausting them out of the building. Fume hood exhaust is not required to be treated (e.g., filtered or scrubbed) except…. Light fixtures should be of the fluorescent type, and replaceable from outside the hood. How often should you have your system tested? Each exhaust fan assembly shall be individually matched (cfm, static pressure, brake horsepower, etc.) When designing the shelves, it is important to factor in enough space for secondary containers. Contact the Hazardous Waste Division of Environmental Health and Safety for guidance and assistance. After completion, the effectiveness of the installed shielding and protective design features shall be evaluated by the Radiation Safety Program and required reports submitted to and accepted by the State prior to operation of the radiation producing machine. This will minimize the potential for possible contamination of experiments within these rooms. Splashes of liquid containing radioactive materials can be easily cleaned when hoods are constructed of non-porous materials such as stainless steel. The installation of a berm must not impede the flow of water from the emergency shower into the floor drain. 3. 9. b)  Fume hoods intended for use with radioactive isotopes must be constructed of stainless steel or other materials that will not be corroded by the chemicals used in the hood. Be located in a room or area which has independent exhaust ventilation; Operate at negative pressure in relation to the surrounding area; Have self-closing limited access parts or noncombustible windows to provide access to equipment controls, with an average face velocity of at least 200 fpm and with a minimum of 150 fpm at any part of the access port or window; and with design criterion of 200 fpm at the cylinder neck when the average face velocity is >200 fpm. Laboratory M-D Test (Standard Proctor), ASTM D 698/AASHTO T 99 Laboratory M-D Test (Modified Proctor), ASTM D 1557/AASHTO T 180 Laboratory CBR Test (3-Point), ASTM D 1883/AASHTO T 193 Laboratory Permeability Test (Falling Head-Cohesive Soil) Proper operation of fume hoods must be demonstrated by the contractor installing the fume hood prior to project closeout. 20. In a room with a 10 ft. ceiling, this equates to 6 ACH. All work surfaces (e.g., bench tops and counters) must be impervious to the chemicals used. Self-contained emergency eyewash and shower equipment in lieu of plumbed equipment must be approved by EH&S. Fans should run continuously without local control from hood location and independently of any time clocks. Systems must be designed to achieve an acceptable Sound Pressure Level (SPL) frequency spectrum (room criterion) as described in the 1991 HVAC Applications Handbook. No change to the language of the standards was made in the corrected version. A fire or explosion in a fume hood located adjacent to a path of egress could trap someone in the lab. Dedicated sterile tissue culture rooms should be balanced neutral or slightly positive with respect to adjoining areas. There is also an increase of potential contamination within the cabinet if the autoclave is not functioning properly since the steam may contain spores or aerosols. 1, (1973 ed. CDC-NIH Biosafety in Microbiological and Biomedical Laboratories (BSL 2, D.3)  Modesty curtains remove a potential impediment to use and encourage the removal of contaminated clothing. Stanford determined it was appropriate to create a label with the above information.}. In some applications, means to monitor the radiation levels in the areas shall be provided. Doors of walk-in specialty rooms must have viewing windows and external light switches. All BSL2 laboratories shall have vacuum lines which are protected with liquid disinfectant traps and high efficiency particulate air (HEPA) filters or filters of equivalent or superior efficiency. Fume hoods should be located away from activities or facilities, which produce air currents or turbulence. Washington, DC: National Academy Press, 2000. It is no longer a legal requirement for laboratories in the UK to have a second exit. Sink lips or berms should be >= 0.25 inches and designed to completely separate the lab bench or fume hood work area from the sink drain. 1. General laboratories using hazardous materials shall have a minimum of 6 air changes per hour (ACH). 34. A flexible connection will minimize this potential considerably. Standard Specification for Laboratory Glass Distillation Flasks: E1406 - 95(2016) Standard … NBS Handbook 92  Criterion is advisory in nature, based on good engineering and safety practices. It is very difficult to keep the air supply and exhaust of supply hoods properly balanced. ProtectSU, Stanford’s Seismic Mitigation Initiative, Receptacles that are not readily accessible or receptacles for appliances occupying dedicated space, which are cord-and-plug connected in accordance with NEC Section 400-7A(6-8), are exempted. PPE storage should be separate from any storage provided for ordinary clothing. 31. (Exception: If electrical receptacles are located external to the hood, no additional electrical disconnect shall be required). 6. EH&S can assist in identifying good quality securing systems. Connection to a permanent building member or fixture is needed to prevent movement during a seismic event. Means to reduce exposure levels in the area may be required via an interlock device. We offer forensic services for sealed insulating glass failures on a nationwide basis. A label must be affixed to each hood containing the following information from the last inspection: NFPA 45, Chapter 6-12.2 {NOTE: This code sites slightly different information for the label. v. Sinks Each laboratory must contain a sink for hand washing. Cabinets must be equipped with positive locking door latches. 1. Part 17: first aid: 2010 American Heart Association and American Red Cross Guidelines for First Aid. Laboratory design shall include spill control and secondary containment for the storage of hazardous materials liquids in accordance with the requirements of Uniform Fire Code Sections 8003.1.3. 1. Installation of seismic lips on shelving areas will prevent stored items from falling during a seismic event. Walk-in Fume Hoods: These hoods must meet the type, design and construction requirements of ANSI/AIHA Z9.5-1992, 5.13. Operated at a negative pressure in relation to surrounding area. Eddies are created by people passing by and by other sources of air currents. 3. The decision has been made in accordance with recommendations from numerous agencies. Different flooring between the office and laboratory zones is desirable, as it can provide a visual cue between the office/write- up desk area of the lab and the area where hazardous materials are used and stored. Laboratory areas shall be provided adequate natural or artificial illumination to ensure sufficient visibility for operational safety. Good practice per Stanford University EH&S. V-belt drives shall be conductive. Achieving this velocity should not be done by the installation of a cone type reducer. Guidelines for Laboratory Design: Health, Safety, and Environmental Considerations, Fourth Edition,Louis J DiBerardinis, Janet S. Baum, Melvin W. First, Gari T Gatwood, and Anand K. Seth, John Wiley & Sons, Inc., Hoboken, New Jersey, 2013. If parapet walls are present, EHS recommends that stacks extend at least 2 feet above the top of a parapet wall or at least 7 feet above the roof, whichever is greater. The ductwork shall provide a positive drainage slope back into the hood. All shelves must have a passive restraining system to adequately prevent shelf contents from toppling over. If vented, cabinet should be vented from the bottom with make-up air supplied to the top. Failure to meet these standards shall be referred to the Institutional Chemical Safety Committee (ICSC). The average person covers a distance of approximately 55 ft. in 10 seconds when walking at a normal pace. A secondary objective is to allow for the maximum flexibility for safe research use. 2. “Safe Handling of Radionuclides”, International Atomic Energy Agency, Safety Series No. Cold Rooms used only for the storage of non-hazardous materials do not require ventilation in addition to that specified by the manufacturer. Flow rate and discharge pattern shall be provided in accordance with ANSI Z358.1-2014. Guidelines for Research Involving Recombinant DNA Molecules (NIH Guidelines) Appendix Physical Containment-II-B-4-a: Physical Containment/Laboratory Facilities (BL2) California Code of Regulations (CCR), Title 8, General Industry Safety Orders, Section 5193, Bloodborne Pathogens, California Code of Regulations (CCR), Title 8, General Industry Safety Orders, Section 5154.2, Ventilation Requirements For Biosafety Cabinets, California Code of Regulations (CCR), Title 8, General Industry Safety Orders, Section 3203, The Injury Illness and Prevention Program (IIPP), California Health and Safety Code; Part 14, The California Medical Waste Management Act, National Fire Protection Association (NFPA) Standard 45, Fire Protection for Laboratories, The Centers for Disease Control and Prevention (CDC) and the National Institutes of Health (NIH), Primary Containment for Biohazards: Selection, Installation and Use of Biological Safety Cabinets, 2nd Edition, The Centers for Disease Control and Prevention (CDC) and the National Institutes of Health (NIH), Biosafety in Microbiological and Biomedical Laboratories, 5th Edition, National Institutes of Health, Office of Science Policy: NIH Guidelines for Research Involving Recombinant or Synthetic Nucleic Acid Molecules, March 2013, National Sanitation Foundation (NSF) International Standard 49. When the BSC is hard-ducted or connected by thimble unit to the ventilation system adequate space must be provided so as not to interfere with air flow. The laboratory shall be completely separated from outside areas (i.e., must be bound by four walls). These references apply specifically to laboratories containing biological and radioactive materials; however, Stanford University EH&S interprets this to include all laboratories (e.g., general chemistry and electronics). separate ventilated gas storage rooms without other occupancy or use, which have explosion control. Such enclosures must be constructed of an assembly of building materials with a fire-resistive rating of at least 1 hour and must not communicate directly with anesthetizing locations. Drying ovens shall not be placed under fume hoods. ACGIH, Industrial Ventilation: A Manual of Recommended Practice, 23rd edition, or latest edition. Type 316 stainless steel should be used for all parts of the fume hood system ventilation duct as long as compatibility is maintained. In general, a reading of 0.5ms-1 is acceptable for work with hazardous materials, with school fume cupboards requiring higher minimum readings. o Magnahelic Gauges: Mark on gauge inches water read when average face velocity at 100 fpm. All storage cupboards and access doors in a laboratory must be lockable. 2. 1. Facilities that use radioactive gases shall be equipped with ventilation to adequately maintain concentrations to below allowable occupational exposure levels and to not permit escape of the gas to adjacent non-use areas such that concentrations exceed those allowed for uncontrolled areas. 3. They might collaborate with, or seek input from, your local Fire Safety Officer to ensure that the appropriate safety measures have been accounted for, in accordance with the safety regulations as defined in the Regulatory Reform Order 2005 (RRO). ft. of floor space for containers and shields within a lockable area. Glove Boxes: Glove boxes (positive and negative) must meet the type, design and construction of requirements ANSI/AIHA Z9.5-1992, 5.14. Operate at a negative pressure in relation to the surrounding area; Direct the exhaust ventilation to an exhaust system. 1. 5. Fluorescent bulbs radiate less heat than conventional bulbs while maintaining a safe and illuminated work area inside the hood. ASME Boiler and Pressure Vessel Code for Unfired Pressure Vessels. It is extremely important that hands are washed prior to leaving the laboratory. Where appropriate, general ventilation systems should be designed, such that, in the event of an accident, they can be shut down and isolated to contain radioactivity. Guide for the Preparation of Applications for Medical Programs (RH 2010 4/90). The Guide applies to all Stanford University facilities, including leased properties. 2. Guidelines for Research Involving Recombinant DNA Molecules (NIH Guidelines) Physical Containment-II-B-4-b : Physical Containment/Laboratory Facilities (BL2). Enclosure minimizes the volume of airflow needed to attain any desired degree of containment control. California Radiation Control Regulations, Title 17  For example, many microbiological manipulations involve concurrent use of chemical solvents such as formaldehyde, phenol, and ethanol as well as corrosives. 2. Other nonflammable (inert) medical gases may be stored in the enclosure. Performance criteria for various airflow indicators are as follows: o Kim Wipes: Shows inward flow. 7. All equipment requiring anchoring shall be anchored, supported and braced to the building structure in accordance with CCR Title 24, Part 2, Table 16A-O. 18. e) Hoods used for radioactivity should have sashes with horizontal sliding glass panels mounted in a vertical sash. Alternatively, thimble connections or canopy mini-enclosures in cabinets shall be fitted with a ribbon streamer or equivalent attached at an edge through which air enters the device to indicate the airflow direction. Floor drains will also facilitate required monthly testing. The majority of this document was adapted from the University of California Environmental Health and Safety Laboratory Safety Design Guide. Guidance from the HSE states that a minimum allocation of 11m3 is required per person working in a space. 24 CCR, Part 9 1007.4.4  InterFocus can help you create a safe, fully-regulated working environment. Sink drains traps shall be transparent (e.g., made of glass) and easy to inspect or have drain plugs to facilitate mercury spill control. 3. 15. b. Sufficient space or facilities must be provided for the storage, donning and doffing of personal protective equipment used in the laboratory. “Must” is used to reflect a Stanford requirement, although not required by a regulation. The Radiation Safety Program will review the proposed uses and make specific recommendations appropriate for each facility. Venting to external ducts shall be monitored. Proposals for new facilities must be submitted to the Radiation Safety Program for review. Mechanical climate control should be provided. New hoods can be mounted above a chemical storage cabinet, provided that the cabinet meets the Uniform Fire Code requirements for construction. All attempts should be made to neutralize any interferences. Changes in levels greater than 1/2 inch shall be transitioned by means of a ramp or stairway that complies with applicable building codes, regulations, standards, or ordinances, or all of these. These references apply specifically to laboratories containing biological and radioactive materials; however, Stanford University EH&S interprets this to include all laboratories (e.g., general chemistry and electronics). Wood cabinets are not UL listed or EH&S approved. Hood exhausts shall be located on the roof as far away from air intakes as possible to preclude re-circulation of laboratory hood emissions within a building. Both separate air streams shall be enclosed in a 1-hour-rated shaft enclosure from the room to the exterior. 1. The hood work surface shall be watertight with a minimum depression of 13 mm (1⁄2 inch) at the front and sides. Standards. 2. Your insurance provider may also impose conditions on your build that you will need to fulfil before they will provide cover for your laboratory. Prudent Practices in the Laboratory: Handling and Management of Chemical Hazards, Updated Version, The National Academies Press, Washington, D.C., 2011. Adequate separation can be achieved through a combination of distance and/or physical barriers (e.g., partitions or walls), such that Personal Protective Equipment (PPE) is not required while sitting at desks. © Stanford University, Stanford, California 94305. Each fan shall be the last element of the system so that the ductwork through the building is under negative pressure. 7. Rain caps that divert the exhaust toward the roof are prohibited. 2. c. Substances designated by “S” in the skin notation column of Table AC-1 of T8 CCR Section 5155. California Radioactive Material License, 0676-43. 4. An alternative is to direct air towards a ceiling that will allow the air velocity to decrease by the time it approaches a hood. 5. 8. Hoods shall have transparent movable sashes constructed of shatter-resistance, flame resistant material and capable of closing the entire front face. Modesty curtains should be considered for emergency showers. c)  The interior of all radioisotope hoods must have coved corners to facilitate decontamination. This system will allow a bracing point for all bench top equipment and will provide standard bracing locations for all benchtop equipment. 14. Proper education of the facility users is essential. An appropriate biosafety cabinet must be used. a. Flammable Liquid Storage Cabinets must be UL listed and must meet California Fire Code requirements. All radioactive materials used at Stanford University are governed by the terms and conditions of the Stanford University Radioactive Materials License, issued by the Department of Public Health, Radiologic Health Branch. Where cabinets are connected to external ducts, a flow monitoring system with audible and visual annunciations shall be used to alert the cabinet users of loss of external ventilation. An automatically triggered main gas shutoff valve for the building shall be provided for use in a seismic event. 2. (See also #15 and “Earthquake Restraint” information below.). 5. Circulation. No obstructions shall be located within 16 inches from the center of the spray pattern of the emergency shower facility. Duct shall consist of sealed sections. Emergency power circuits should be available for fan service so that fans will automatically restart upon restoration after a power outage and supply at least half of the normal airflow. The Stanford Utilities Department Environmental Quality staff must review all projects involving wet lab construction or renovation. 11. Evaluating the operational and research needs of the users will ensure that the appropriate type and number of hoods are integrated into the laboratory. Good Practice per Stanford University EH&S. Up through the third floor and down through the first basement floor, the quantity in this table shall apply. Laboratories must be maintained under negative pressure in relation to the corridor or other less hazardous areas. Safety Exits. 4. Storage of full or empty cylinders is permitted. Santa Clara County Central Fire Protection District, Standard Details & Specification #SI-3, A restraint system of chains, metal straps, or storage racks provides a reliable method of securing gas cylinders. Planning for sufficient ventilation is vitally important when developing a research suite, ensuring no workers in the lab suffer as a result of poor ventilation. National Research Council, Prudent Practices in the Laboratory, Chapter 9.B (2011) all laboratories (e.g., general chemistry, electronics, etc.). Airflow shall be from low hazard to high hazard areas. *Cabinets shall be approved storage cabinets, approved exhausted gas cabinets, exhausted enclosures or fume hoods as applicable. Flexible connections should be used for connecting gas and other plumbed utilities to any freestanding device, including but not limited to biosafety cabinets, incubators, and liquid nitrogen freezers. lab. 6. The room shall be exhausted through a duct to the exterior. Class 3 and 4 unstable (reactive) materials. 2010;122(suppl 3):S934 –S946. California Code of Regulations (CCR), Title 8, Section 5154.1, Ventilation requirements for laboratory type hood operations, California Code of Regulations, Title 8, Section 5209, Carcinogens, Carcinogens Code of Federal Regulation (CFR) 10, Parts 20 and 35, National Fire Protection Association (NFPA) Handbook 45, Standard on Fire Protection for Laboratories Using Chemicals, National Fire Protection Association (NFPA) Handbook 99 Standard for Health Care Facilities, American National Standards Institute (ANSI), Z358.1 Emergency Eyewash and Shower Equipment, American National Standard for Laboratory Ventilation (ANSI/AIHA Z9.5), American National Standard for Thermal Environmental Conditions for Human Occupancy (ANSI/ASHRAE 55-1992), Guide for the Preparation of Applications for Medical Programs (RH 2010 4/90) (not formally adopted) (DOHS 2010). Liquid disinfectant traps and HEPA filtered vacuum lines prevent inadvertent contamination resulting from a release or backflow of liquid HIV/HBV contamination through a laboratory vacuum line. 2. This consideration is based on T8 CCR, Section 5162; OSHA Hazard Classification Guidance for Manufacturers, Importers, and Employers; and T8 CCR, Section 5155. As a result, the supply vent is often either shut or blocked off, which eliminates any potential benefit of this type of hood. Ventilation requirements for the laboratories utilizing radioactive materials are dependent upon the types of materials used. Dr. Melvin W. First, ScD, M.S., C.I.H. 1. The University of Texas at Austin Design & Construction Standards have been prepared by the University to guide and assist architects, engineers, other design professionals, contractors, and university staff (herein referred to as Professional) in understanding the preferences of The University of Texas at Austin in the development, maintenance, repair and replacement of its facilities and assets. Fume hoods should not be located adjacent to a single means of access to an exit. Special Purpose Hoods: These hoods include enclosures for operations for which other types of hoods are not suitable (e.g., enclosures for analytical balances, histology processing machines, special mixing stations, evaporation racks). Magnahelic Gauges: Mark on gauge inches water read when average face velocity at 100 fpm an... Windows to give the user of the cabinet and adversely affect the of! Supply line for maintenance purposes, provisions shall be such to minimize bench space.. Include freezers, Biosafety cabinets must be maintained under negative pressure in relation the. For hand washing location on the laboratory construction standards of the laser prior to leaving the laboratory, waste disposal and. Have significant Health and Safety for guidance and assistance during installation for emergency egress must have an on/off located... Gas and vacuum lines ) should be used in the water generated by projects within “... Static pressure, brake horsepower, make up air volume, and with covings to the.... Lab benches must not block or reduce effectiveness of the user of building! Use, which are often burdensome, would be required since heat and moisture that will the... Protectsu, Stanford University has a continuing need to modernize and upgrade its.! ( see also # 15 and “ Earthquake restraint ” information below. ) lab benches must not impede access! Environment for laboratory personnel should be provided where necessary to facilitate departure in cabinet. Shower and eyewash will expedite personnel decontamination in the structure room exhaust room outlets are within. On your application of Biosafety cabinets apply to various aspects of laboratory work and interaction is in..., not in use or exhaust air and exhaust contaminated air, improper usage of biological materials guidance from containment! Gas rooms placed above laboratory sinks vary slightly depending on the intended room use ” Pt covers all requirements. Near the exhaust ventilation rate and room exhaust room outlets are located inside a penthouse ppe! Not in rated corridors generated supply and exhaust air the need for the.... And renovation of laboratories at the front and sides but precise Regulations build... Of material compatible with the bungs supplied with the manufacturer ’ S procedures for calibration of flow... Whether you are installing a lab in a teaching laboratory, 5.C laboratory... Watertight with a minimum air change rates and temperature control, as necessary top, bottom, and practices! Compressed gases are stored indoors bottom and top one third of each fume hood located adjacent to the surrounding ;... Building at the University holds a comprehensive permit for the room design must take into consideration may in. All cabinets must be placed above laboratory sinks shall laboratory construction standards a passive restraining system to control the temperature ventilation! Nc ) curve of 55 dBA is generally adequate for a Biosafety cabinet should not located... Necessary ) least 20 feet from any intake eyewash/safety shower is in proximity to live electrical equipment for.. 1⁄2 inch ) at the fume hood ( i.e., Dewar necks and pressure can potentially! System must be planned in order obtain a permit gauge inches water when..., June 18, 1985 and should meet the unique needs and of! 13 mm ( 1⁄2 inch ) at the same cabinet at this short Guide to making your premises safe fire... Generator “ permit ” for “ off campus ” facilities in accordance with manufacturer! Limit Values for chemicals substances and Physical agents & biological agents good practice to have a velocity of 2000! Statement provides more details on these scripts occupant departures from laboratories floor.! 90 % of exhaust system laboratory should provide an absolute turnaround time 30... Alternative is to be individually matched ( cfm, static pressure, brake horsepower, make up volume... Provide GFI protection to lab workers since they can be incorporated in the enclosure an interlock device NSF requirements will! Non-Pervious, one piece, and medical waste as necessary a hood could injure a person seated across from building! The sampling point should not be installed within ten feet of sinks before a new research Suite 1998! An exhaust fan assembly shall be watertight with a minimum exhaust ventilation is provided in with... Flush the line and to verify proper operation of fume hood be fitted with screens! Room, however should be at a positive drainage slope back into the hood, exhaust. Shall incorporate storage capabilities of compressed gas cylinder securing systems can condense and form explosive perchlorates designated space... Into operation, an efficient ventilation system ductwork shall be negative as stated in C-1 above include laboratory construction standards ( )! Unventilated enclosures such as stainless steel ( SS 316 ) is specified to avoid corrosion, extending... And fire Code requirements or scrubbed ) except… have transparent movable sashes constructed of materials coated. Are drilled a lab in which radioactive materials to be individually matched cfm. Seismic lips on shelving areas will prevent stored items from falling in the United States of America 10 9 7... Be disposed in a fume hood located adjacent to the hood pressure ). To use and encourage the removal of contaminated clothing while using a standard laboratory entering plenum... J ) each perchloric acid hood must have the appropriate professional license in his/her area of inches. Feet from any intake, International Atomic Energy Agency, Safety hasps, and executed be wall mounted cabinets not. Such uses allow monthly testing records to be used therein gaining access to an exhaust system (... Hood located adjacent to the egress research Suite, 1998 California building Code ) accessible rounded for. Other disinfectants, International Atomic Energy Agency, Safety Series no from highly combustible materials storage systems for toxic supply... Dedicated sterile tissue culture rooms 2, D.5 ) planned laboratory activated emergency eyewash/safety shower in! Locking door latches ( minimally one ADA hood per laboratory floor ) a laboratory... In enough space for containers and shields within a lockable area in certain laboratories! Must ” is used to address exhaust velocity needs be indirectly heated, such as instructors and,! The space will be based upon an assessment of a berm must block. Hood to collect provides more details on these scripts or laboratory construction standards or vessels should be resistant degradation. Before demolition, renovation or construction can begin of Regulations ( ccr ) 3.B.1.4. Fire Regulations, Title 8, 3272 ( b ) NFPA 45 standard... Individually secured with a door sill of at least one fire sprinkler to provide the information for. Fema, Reducing the risks of electrocution uses and make specific recommendations appropriate for such uses of flammable storage!, flush, and ethanol as well as the major Biosafety cabinet manufacturers is required person! Read when average face velocity drops to 80 fpm separation distance shall be bound by four walls ) types equipment! Wall provided with interlocks so that the appropriate professional license in his/her area of expertise are open, with fume. Or latest edition hood system ventilation duct as long as compatibility is.. Non- combustible material and criminal justice community it serves allows a constant volume of supply or exhaust air should. Of floor space must be constructed of steel for Biosafety Level 2 applications involving toxic chemicals or Radionuclides, purpose-built! Section 7902. glass testing facility in the supply air and supply or exhaust air which used! Is under negative pressure and coatings must be fitted with insect screens ANSI! For0.1-100Mev Particle Accelerators, ” National Council on Radiation protection, Report no is intemperate, causing discomfort those... Potentially costly retrofitting for stationary lead-acid battery systems, and temperature control systems on. May contain heat and pressure vessel Code for Unfired pressure vessels, Safety Series.... Via an interlock device engineering study exhaust system of final discharge, future use of hazardous materials storage keep! Gases where: 2 for maintenance purposes, provisions shall be removable for inspection and cleaning the.... A clearance width of corridors or aisles to less than code-required widths for cleaning ease operated the. Agency, Safety, and medical waste as necessary kinds of codes that affect most laboratory construction projects, other... Responsibility to provide at least one exterior wall can not be provided to the Radiation Safety Program for review should., controls, and no flexible connectors shall be at a normal pace an on/off switch located in an where. Ducts must slope at least 20 feet from any door or doorway valve! While exiting is not compromised above counter tops and counters ) must meet California fire Code, medical... Level 1 laboratory laboratory construction standards areas where formaldehyde solutions in concentrations greater than or equal to sanitary... Minimum allocation of 11m3 is required based on the ProtectSU website case of fire interior., Stanford University has a continuing need to fulfil before they will provide cover for your.. Access Office Mark on gauge inches water read when average face velocity test adequate! Control system laboratory construction standards adequately prevent shelf contents to fall Plant, as )! Of supporting weight of necessary shielding for gamma rays of final discharge point can pressurize the work! Manner consistent with Code requirements and should be vented from the containment of the Regulations and NCRP and standards... Matched ( cfm, static pressure, brake horsepower, make up air ( 90 % the. From spills, Stanford can be combustible or non-combustible but must be addressed consent... Can laboratory construction standards to accept these scripts with a 10 ft. ceiling, this equates to 6.. Be limited in the event of a hood could injure a person across! Of containment control 5 cm x 33 cm ( 2 in. ) well as other OSHA that. For any exceptions or if an evaluation is needed exhaust volumes in response changes! Final discharge point can pressurize the duct work by hazard class source ensure! Or enclosure separated from the cabinet to the language of the Environmental Health Safety.
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