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Guide for the Care and Use of Laboratory Animals - Office of ...

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136 GUIdE FOR ThE CARE ANd USE OF LAbORATORy ANIMALS• containment facilities or equipment, if hazardous biologic, physical,or chemical agents are to be used• barrier facilities <strong>for</strong> housing <strong>of</strong> SPF rodents, especially valuablegenetically modified animals, or irreplaceable animal models• receiving <strong>and</strong> storage areas <strong>for</strong> food, bedding, pharmaceuticals,biologics, <strong>and</strong> supplies• space <strong>for</strong> washing <strong>and</strong> sterilizing equipment <strong>and</strong> supplies <strong>and</strong>,depending on <strong>the</strong> volume <strong>of</strong> work, machines <strong>for</strong> washing cages,bottles, glassware, racks, <strong>and</strong> waste cans; a utility sink; a sterilizer<strong>for</strong> equipment, food, <strong>and</strong> bedding; <strong>and</strong> separate areas <strong>for</strong> holdingsoiled <strong>and</strong> clean equipment• space <strong>for</strong> storing wastes be<strong>for</strong>e incineration or removal• space <strong>for</strong> cold storage or disposal <strong>of</strong> carcasses• space <strong>for</strong> administrative <strong>and</strong> supervisory personnel, including space<strong>for</strong> staff training <strong>and</strong> education• showers, sinks, lockers, toilets, <strong>and</strong> break areas <strong>for</strong> personnel• security features, such as card-key systems, electronic surveillance,<strong>and</strong> alarms• areas <strong>for</strong> maintenance <strong>and</strong> repair <strong>of</strong> specialized animal housingsystems <strong>and</strong> equipment.CONSTRUCTION GUIDELINESCorridorsCorridors should be wide enough to facilitate <strong>the</strong> movement <strong>of</strong> personnel<strong>and</strong> equipment; a width <strong>of</strong> 6 to 8 feet can accommodate <strong>the</strong> needs <strong>of</strong>most facilities. Floor-wall junctions should be designed to facilitate cleaning.Protective rails or bumpers are recommended <strong>and</strong>, if provided, shouldbe sealed or manufactured to prevent vermin access. In corridors leading todog or swine housing facilities, cage-washing facilities, <strong>and</strong> o<strong>the</strong>r high-noiseareas, double-door entry vestibules or o<strong>the</strong>r noise traps should be considered.Similar entries are advisable <strong>for</strong> areas leading to nonhuman primatehousing as a means to reduce <strong>the</strong> potential <strong>for</strong> escape. Double-door entryvestibules also permit air locks in <strong>the</strong>se <strong>and</strong> o<strong>the</strong>r areas where directionalairflow is critical <strong>for</strong> containment or protection. Wherever possible, waterlines, drainpipes, reheat coils <strong>and</strong> valves, electric service connections, <strong>and</strong>o<strong>the</strong>r utilities should be accessible via interstitial space or through accesspanels or chases in corridors outside <strong>the</strong> animal rooms. Fire alarms, fireextinguishers, <strong>and</strong> telephones should be recessed, installed high enough,or shielded by protective guards to prevent damage from <strong>the</strong> movement <strong>of</strong>large equipment.

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