AS 5601-2000 (AG 601) Gas installations. No laboratory ventilation system ductwork shall be internally insulated. Doors in H-occupancy laboratories shall have doors which swing in the direction of egress. In the event of an emergency, the laboratory may be unsafe to enter. A laboratory gas generator is a system that delivers a continuous supply of purified gas directly to a system that requires the use of a particular Consult with SU Fire Marshall for design details. 4. 10. *For stationary lead-acid battery systems, see the Fire Code. Laboratory workers can ensure high-pressure gas cylinder safety by following a few simple procedures and installation guidelines. c) The interior of all radioisotope hoods must have coved corners to facilitate decontamination. then it will be passed through a strong network. They were previously listed separately under NFPA 50-A, Standards for Gaseous Hydrogen Systems at Consumer Sites. Of note is the separation of hydrogen storage or use areas from other flammable or combustible liquids of at least 20 ft from ignition sources or ordinary electrical equipment of at least 25 ft, and 50 ft from air-compressor intakes, ventilation intakes, or air-conditioning intakes. If the bench abuts a wall, it must be coved or have a backsplash against the wall. In a teaching laboratory, the desired spacing is 6 ft. 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. 27. Since these requirements can impact the design of a project, Environmental Health and Safety (EH&S) prepared this EH&S Laboratory Design Guide to aid the campus community with planning and design issues. 14. 3. 2. author: 3/2/11 v1 for installation checked: approved: dcc release table of contents 1.0 scope 2.0 codes and standards 3.0 material/manufacturing requirements 4.0 examination and testing 5.0 line number system 6.0 valve and instrument numbering system 7.0 piping design and material specifications pipe classes 5. 7. 26. Bargain hunting for gas line installation is a bad idea. While some gases or purities can only be supplied in high-pressure cylinders such as helium with a purity of 99.999% used for gas chromatographs, otherssuch as argon with the same purity for use by an inductively coupled plasma analyzercan be supplied in high-pressure cylinders or cryogenic liquid cylinders that equal the volume of as many as 18 high-pressure cylinders. All furniture must be sturdy. Prevent or reduce the chance of personal injury (i.e., contact with cold surfaces, head . Emergency generator exhaust should be considered in the wind engineering study. 1. Remote monitoring and alarm systems. CCR, Title 24, Part 9, Section 7404.2.1.3. In all cases, EH&S should be consulted on questions regarding health, safety, and environment. No Comments. One would, however, specify the gas delivery system to be delivering a minimum of 120125 psig into the pipeline to allow for individual control of the delivered pressure at each point of use, including the one requiring 90 psig. Applications for Medical Programs (RH 2010 4/90) 5. o Audio/Visual Alarms: Go into alarm mode if average face velocity drops to 80 fpm. Venting to external ducts shall be monitored. 12. Heated perchloric acid will give off vapors that can condense and form explosive perchlorates. National Institutes of Health Design Requirements Manual (December 12, 2016) Sections 2.1.3.5, 2.2.4.1 4. 2. Designated storage space should be provided for lab carts. Gaskets should be resistant to degradation by the chemicals involved and fire resistant. The Stanford Utilities Environmental Quality staff will coordinate the review and submittals with the Palo Alto Regional Water Quality Control Plant, as necessary. Locating the slots in this manner will attain reasonably uniform face velocity under different conditions of hood use as related to heat sources, size, and configuration of equipment in hood. The lab should be fitted with an adequate number of electrical outlets, which can accommodate electrical current requirements with an additional 20-40% capacity. Linde designs and builds a wide range of gas delivery systems to fit your application needs. Room air currents at the fume hood should not exceed 20% of the average face velocity to ensure fume hood containment. For this reason, additional make up air must be brought into the room to maintain a proper air balance. Vibration isolators shall be used to mount fans. NBS Handbook 92 These regulations apply specifically to laboratories containing radioactive materials; however, Stanford University EH&S interprets this to include all laboratories (e.g., general chemistry and electronics). American with Disabilities Act (ADA) Hoods: Must consult with Stanford Universitys ADA Compliance Office regarding the number lab hoods to install in facilities, which are accessible to and usable by individuals with disabilities recommend minimally one ADA hood per laboratory floor. 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. Guidelines for Research Involving Recombinant DNA Molecules (NIH Guidelines)Physical Containment-II-B-4-b :Physical Containment/Laboratory Facilities (BL2). At a temperature of -196 C (-320 F), nitrogen in its liquid form (LN This reduces fan size, motor horsepower, make up air volume, and make up air conditioning costs. These materials shall have a flame spread index of 25 or less when tested in accordance with NFPA method 255, Standard Method of Test of Surface Burning Characteristics of Building Materials. Z9.5-2003 allows air velocities up to 50 fpm, but lower room air velocities around hoods cause less interference with the operation of the hood. 1. Stanford University has taken a strong stance against the use of gas burners or alcohol flames in Biosafety cabinets. Laboratories must be maintained under negative pressure in relation to the corridor or other less hazardous areas. Recommend that hoods be located more than 10 feet from any door or doorway. Minimum wall thickness of 0.044 inches (18 gauge). For Biosafety Level 2 applications, fume hoods are not appropriate; a fume hood is not designed for the usage of biological materials. The EH&S Laboratory Design Guide is not all inclusive. It does not cover all regulatory issues nor does it cover all design situations. These hoods are not permitted, unless an exception is granted by EH&S. 4. Normal and emergency relief venting and vent piping for pressure vessels should be adequate an in accordance with the design of the vessel. Tel: +44 (0)121 561 3090 . dishwashing liquid to 1 cup water or with a commercially prepared leak testing solution. Supplemental equipment, including personal eyewash units or drench hoses which meet the requirements of ANSI Z358.1-2014, Section 8 may support plumbed or self-contained units but shall not be used in lieu of them. Acceptable SPL may vary depending on the intended room use. No matter how well designed a laboratory is, improper usage of its facilities will always defeat the engineered safety features. This Guide is to be used in conjunction with StanfordsFacilities Design Guidelinesand applies to construction projects for all Stanford University facilities, including leased properties. These bars shall be installed at the back edge of the bench to minimize bench space used. 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. 5. Glove Boxes: Glove boxes (positive and negative) must meet the type, design and construction of requirements ANSI/AIHA Z9.5-1992, 5.14. a. 5. 8. Fume hood ventilating controls should be arranged so that shutting off the ventilation of one fume hood will not reduce the exhaust capacity or create an imbalance between exhaust and supply for any other hood connected to the same system. Safe Handling of Radionuclides, Section 3.3.5 (1973 ed.) 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). BAAQMD New Source exemption or permit evaluation. (Note: The manufacturer should always be consulted to avoid possible damage to the pressurized cabinet volumes.). Guide for the Preparation of Applications for Medical Programs (RH 2010 4/90). Description: tube end adapters, touchscreen control, and multiple mounting options. We prepare the pipeline network in an accommodated way. Emergency eyewash and shower equipment shall be installed in accordance with the manufacturers installation instructions. The location of at least one ADA hood per floor will enable disabled individuals to conduct their research without having to transport chemicals, etc. Laboratory fume hoods shall provide a minimum average effective face velocity of 100 feet per minute (fpm), with a minimum of 70 fpm at any point. Storage of full or empty cylinders is permitted. California Radioactive Material License, 0676-43 (Please refer to Table, H-8 Occupancy Storage Exempt Amounts for Lab Suites). 3 meter,6 meter,9 meter,18 meter. c. Tight-fitting joints, welded or riveted. 6. 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 floor drain, temporary plug, covered sump, or berm shall not project into the walking surface so as to create a tripping hazard. 3. g) Spray wash-down nozzles shall be installed in the ducts no more than 5 ft. apart. The lab bench must be resistant to the chemical actions of these substances and disinfectants. When determining what size pipe or tubing to use for a specific application, the main consideration is to determine what the maximum required flow for that specific gas would be if all application or use points were flowing to their maximum at the same time. The system should have minimum leak integrity of 1 108 standard cm3/sec of helium, which equals the volume of a cubic centimeter escaping or entering over 3.1 years. If exhaust fans are located inside a penthouse, PPE needs for maintenance workers shall be considered. Note that for x-ray producing machines, shielding calculations will be performed by the Radiation Safety Program. Control valves for all such equipment shall meet the requirements of ANSI Z358.1-2014. 2. If you are looking for a brand new laboratory gas system or regular maintenance for your existing one, Midlands Medical can help. CDC-NIH Biosafety in Microbiological and Biomedical Laboratories (BSL 2, D.1) In practice, lab aisles must be designed wider than 24 so that even with the presence of lab stools and other miscellaneous items, a clearance of 24 is always maintained. 10. IAEA, Safe Handling of Radionuclides. Title III, Public Accommodations and Services Operated by Private Entities, Sec. As future gas necessities are difficult to predict, EH&S recommends at least 75 feet for all applications. This tubing should be acquired from the vendor. 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. The pipe is CSST and the sleeve in the pic extends to the crawl space below. CRC Handbook of Laboratory Safety, 4th Ed. thickness of the pipe being used. Whether measuring gas flows in a laboratory, manufacturing, or service setting, the 5000 Series Flow Meter can adapt to fit your unique application. A fire hazard or chemical release incident, both of which may start in a fume hood, can block an exit rendering it impassable. 3. These placement considerations are required to ensure maximum effectiveness of the primary barrier (BSC). Laboratory Facilities (BL2) App. Upon consultation with EH&S, some labs may be candidates for reduced airflow changes (from 6 ACH to 4 ACH) when unoccupied during nonbusiness hours. Hazardous Materials Business Plan permit, City of Palo Alto Municipal Code Chapter 17. Alterations in Public Accommodations and Commercial Facilities, Pt. [Work Practice Note: When compressed gas cylinders in service, they shall be adequately secured by chains, metal straps, or other approved materials, to prevent cylinders from falling or being knocked over.]. The codes and standards that are most significant are: Laboratories must understand and follow these codes and standards thoroughly in order to comply with the minimum requirements of any gas system. Insects, particularly flies, are known to be a potential carrier of disease. Examples and guidance are provided on the ProtectSU websiteprotectsu.stanford.edu. The air balance of the room cannot be adjusted unless there is mechanically generated supply and exhaust air. Wood cabinets are not UL listed or EH&S approved. Guidelines for Research Involving Recombinant DNA Molecules (NIH Guidelines) AppendixPhysical Containment-II-B-4-e:Physical Containment/Laboratory Facilities (BL2). 36. CDC-NIH Biosafety in Microbiological and Biomedical Laboratories, (BSL 2, D.2) Rain caps that divert the exhaust toward the roof are prohibited. Gas cabinets and adequate ventilation must be provided to mitigate the hazards associated with excimer laser gases or other lasers using toxic gases. All medical/biohazardous waste must be disposed in a manner consistent with the Stanford Biosafety Manual section on biohazardous waste. 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. Vacuum-insulated piping for Liquid Nitrogen. Make-up air shall be introduced in such a way that negative pressurization is maintainedin all laboratory spaces and does not create a disruptive air pattern. This French-language brochure contains descriptions, dimensional data and ordering information on Protector XStream, Premier and XL Laboratory Fume Hoods and SpillStopper Work Surfaces. CCR, Title 24, Part 9, Section 7902.5.9.3.2. A pathway clearance of 36 inches must be maintained at the face of the access/exit door. Part 1. The laboratory shall have means of securing specifically regulated materials such as DEA (Drug Enforcement Administration) controlled substances and CDC (Centers for DiseaseControl) select agents and radioactive materials (i.e., lockable doors, lockable cabinets, etc.). to individuals in wheelchairs. A quick look at a job site install of HOME-FLEX Underground Yellow Polyethylene Gas Pipe. IAEA, Safe Handling of Radionuclides It is recommended to provide at least six feet between cabinets. 8600-C580 Helium/Nitrogen Gas Line Kit $513.00. When an exterior wall cannot be provided for the room, automatic sprinklers shall be installed within the room. No obstructions shall be located within 16 inches from the center of the spray pattern of the emergency shower facility. One vent shall be within 6 inches of the floor and one shall be within 6 inches of the ceiling. Doors which swing in the direction of egress will facilitate occupant departures from laboratories during emergencies. 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, electronics, etc.). If both eyewash and shower are needed, they shall be located so that both can be used at the same time by one person. Flammable Liquid Storage Cabinets shall be conspicuously labeled in red letters on contrasting background FLAMMABLE KEEP FIRE AWAY., CCR, Title 24, Part 9, Section 7902.5.9.3.1. 3. 5. All fume hoods shall meet the requirements of CCR, Title 8, Sections 5141.1, 5209, and 5143 in addition to NFPA 45, Standard on Fire Protection For Laboratories Using Chemicals. Fume hood openings should not be located opposite workstations where personnel will spend much of their working day, such as desks or microscope benches. Operable windows should be prohibited in new lab buildings and should not be used on modifications to existing buildings. The heating of flammable gas storage areas shall be indirectly heated, such as by air, steam, hot water, etc. They are used to ensure that gas powered instruments areLearn More, American Lab is Powered by Labcompare, Regional Water Quality Control Plant permit documentation requirements. ADA compliant per ANSI/ICC A117.1. Achieving this velocity should not be done by the installation of a cone type reducer. An annual permit fee is required based on the quantities of materials stored. 3.1.2 The design and Installation of these piping systems shall conform to the requirements specified in the CSA Z662-07 Oil and Gas Pipeline Systems standard as adopted by O. Reg. Windows must. ICBO recommends not putting electrical panels in rated corridors. i) The hood baffle shall be removable for inspection and cleaning. Airflow shall be from low hazard to high hazard areas. This system will allow a bracing point for all bench top equipment and will provide standard bracing locations for all benchtop equipment. Verification procedures must be in accordance with ANSI Z358.1-2014. Specialized in Gas Pipe Line . This can be found by totaling the individual use points and applying a conservative safety factor to allow for growth of requirements of at least 2050%, depending on what the future outlook is for that gas. a) Heated perchloric acid shall only be used in a laboratory hood specifically designed for its use and identified as For Perchloric Acid Operations. (Exception: Hoods not specifically designed for use with perchloric acid shall be permitted to be used where the vapors are trapped and scrubbed before they are released into the hood.). Laboratory sinks shall have lips that protect sink drains from spills. d) The hood exhaust may require filtration by HEPA or Charcoal HEPA filters. Self-contained emergency eyewash and shower equipment in lieu of plumbed equipment must be approved by EH&S. 1. Most radioisotope projects will need about 10 sq. 303, New Construction and Operate at a negative pressure in relation to the surrounding area; Direct the exhaust ventilation to an exhaust system. In addition, interior manual shutoff valves shall be provided for both research and teaching areas. Installation of seismic lips on shelving areas will prevent stored items from falling during a seismic event. 5. Exhaust ventilation shall be continuous. If the total flow is measured over distance, then there will be a pressure drop from what the initial inlet pressure is to what the pressure is over that distance. Sashes may offer extra protection to lab workers since they can be positioned to act as a shield. High radiation areas or very high radiation areas (as defined in 10 CFR 20.1602-2) shall be equipped with a control device that energizes a conspicuous visible or audible signal so that an individual entering the area and the operator of the device are made aware of the entry. The laboratory shall be completely separated from outside areas (i.e., must be bound by four walls). 2. (Note: Filters must be maintained and routinely replaced, as necessary). (Notes: A laboratory suite is a space up to 10,000 square feet (929 square meters), bounded bynot less than a one-hour fire-resistive occupancy separation within which the exemptamounts of hazardous materials may be stored, dispensed, handled or used. For example, acetic acid is a corrosive and flammable material. V-belt drives shall be conductive. see also information on Earthquake Restraints below. Lack of properly designed workstations can increase safety and ergonomic risks for occupants. Benches in laboratories must be capable of supporting weight of necessary shieldingfor gamma rays. Flammable Liquid Storage Cabinets must be UL listed and must meet California FireCode requirements. Vented cabinets with electrical receptacles and sound insulation should be provided for the placement of individual vacuum pumps where their use is anticipated. These are detailed in the Fume Hoods Section of this Design Guide. 980-WS909AGVCP Single Turret Combination - $104.57. Title III, Public Accommodations and Services Operated by Private Entities, Sec. Must is used to reflect a Stanford requirement, although not required by a regulation. Biohazardous waste must be contained in appropriate secondary containers prior to disposal. Fume hood exhaustis notrequired to be treated (e.g., filtered or scrubbed) except. This will then assist in determining the space and location required for the gas delivery system and cylinder storage area. d. Substances identified by the manufacturer or distributor as toxic by skin absorption. Part 17: first aid: 2010 American Heart Association and American Red Cross Guidelines for First Aid. In the event of an emergency, the laboratory may be unsafe to enter. Also, wood burns rapidly in the event of a fire. OSHA Standards 29 CFR 1910.101: Compressed Gases General Requirements. The Guide is formatted to address laboratory design issues pertinent to General Laboratories (e.g., chemical laboratories) in Section 1, with additional requirements for Radioactive Materials Laboratories and Biosafety Level 2 Laboratories presented in Sections 2 and 3 respectively. An exhaust fan located other than at the final discharge point can pressurize the duct with contaminated air. SCOPE 5 1.3. General laboratories using hazardous materials shall have a minimum of 6 air changes per hour (ACH). Title 8, 3317, Illumination. 1. CDC-NIH Biosafety in Microbiological and Biomedical Laboratories (ABSL 2, D.5). They may vary by local code requirements, but at a minimum must meet those of NFPA codes and OSHA standards. Treatment systems for the exhaust of toxic and highly toxic gases must be reviewed and approved by EH&S. Flammable liquid storage cabinets are intended for the storage of flammable and combustible liquids. ACGIH Threshold Limit Values for Chemicals Substances and Physical Agents & Biological Agents 1. j) Each perchloric acid hood must have an individually designated duct and exhaust system. In all cases, EH&S should be consulted on questions regarding health, safety, and the environment. Many supply diffusers and room exhaust room outlets are located along laboratory walls. gas away from the breathing zone of users within the space.Nitrogen Risks . Performance criteria for various airflow indicators are as follows: o Kim Wipes: Shows inward flow. 2. 13. Any other type of fan orientation increases the fan work load and increases the risk of exhaust emission re-entrainment. An appropriate biosafety cabinet must be used. 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