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 Facilities Glossary

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Terms Beginning with 'S'

S-VHSA

A half-inch videotape format that has better audio and video quality than VHS....
 7.20.01



Safe Carts

Conveyance vehicles designed for moving hazardous chemicals in R&D facilities. The use of safe carts helps prevent and contain potentially harmful spills....
 3.28.08



Safety Laboratory

An alternative term for a high-containment lab....
 11.1.05



Sag

Flow of an uncured sealant within a joint that results in the loss of the sealant's original shape....
 3.7.07



Salt Effect

The effect on the activity coefficient due to salts in the solution. (www.omega.com) ...
 4.4.05



Sanitary Landfill

A land disposal site employing an engineered method of disposing of solid wastes. The process minimizes environmental hazards by spreading the solid wastes in thin layers, compacting the solid wastes to the smallest practical volume and applying and compa...
 7.20.01



SARA

The Superfund Amendments and Reauthorization Act. Passed in 1986, SARA strengthened the Superfund legislation and authorized $8.5 billion in new funds for hazardous waste cleanup. See also Superfund....
 7.20.01



Satellite Office

Office center providing technology and administrative support, located near employee residences and used full time by employees living closest to the satellite site. See also Alternative Officing, Remote Telecenters, Telecommuting, Virtual Office....
 7.31.01



SBS

See Sick Building Syndrome....
 7.29.03



Scalable Vector Graphics (SVG)

A format that enables two-dimensional images to be displayed in XML pages on the Web. Vector images are created through text-based commands formatted to comply with XML specifications. They are scalable to the size of the viewing window and will adjust in...
 6.23.03



Scale-Up

Transition from small-scale pilot manufacturing to large-scale production of industrial quantities....
 7.20.01



Scanning Electron Microscope (SEM)

An electron microscope that uses a beam of electrons—accelerated to high energy and focused on the sample—to scan the sample surface, ejecting secondary electrons that form the picture of the sample. A Transmission Electron Microscope (TEM)...
 2.3.04



Scanning Force Microscope

This stand-alone atomic force microscope images an area of 90 x 90 microns, in constant or intermittent contact modes, and can profile surface heights of up to 10 microns. Manufactured by Quesant. ...
 2.3.04



Scanning Transmission Electron Microscope (STEM)

Technique for analysis of replicates of polished composite cross-sections as well as ion beam thinned composite sections. This method allows the determination of assemblages and microchemical composition of the matrix and fiber/matrix interfacial regions ...
 2.3.04



Scheduling Lighting

An energy-saving lighting control strategy where lights are dimmed during hours when a building space is unoccupied....
 10.18.06



Schematic Design Phase

The first of an architect's basic services. The architect, by consulting with the owner, determines the basic requirements of the project and prepares schematic designs consisting of drawings and documents showing the scale and relationship of the variou...
 1.22.04



Schumann Resonance

The Schumann Resonance is a set of spectrum peaks in the extremely low frequency (ELF) portion of the Earth's electromagnetic field spectrum. (http://en.wikipedia.org/wiki/Main_Page)...
 7.20.06



SCID Mice

See Severe Combined Immunodeficiency Mice. ...
 4.12.07



SCIF

See Sensitive Compartmented Information Facility. ...
 7.20.01



Scotopic Spectrum

The visual efficiency curve for the pigment of the "rods" of the retina. It determines the size of the pupil; a small pupil will increase depth of field, increase visual acuity and decrease the amount of accommodation needed for near tasks. Thus...
 2.27.08



Screen

In open plans, any element—file bank, workstation, freestanding divider, partition—that acts as a barrier to direct propagation of speech from one point to another. It usually refers to elements that do not extend to the ceiling....
 12.28.07



Scrubbing

The washing of impurities from any process gas stream....
 7.20.01



Sealant

An elastomeric material with adhesive qualities that joins components of a similar or dissimilar nature to provide an effective barrier against the passage of the elements. See also Cohesive Failure and Adhesive Failure....
 3.7.07



Seasonal Affective Disorder (SAD)

Seasonal affective disorder (SAD) is a condition in which a person feels depressed at a certain time each year. Most people experience SAD during the fall and winter months when days are shorter and there is less light. The cause of SAD is not clearly ...
 12.2.05



Seat Management

A form of outsourcing that allows users to purchase defined desktop and networking services from an outside vendor in order to avoid escalating IT costs....
 9.21.01



Secondary Containment

Enclosures that surround primary containment for hazardous materials. Outer bottles, piping, tank vaults and even chemical storage buildings are forms of secondary containment. See also Primary Containment....
 7.2.07



Seed Drawing

Drawings used as a starting point for new drawings and that contain standard settings. ...
 7.29.03



Select Agent

Part of the Bioterrorism Act of 2002. A Select Agent is defined in the Act as belonging to one of four categories: pathogens that affect humans; animal pathogens; plant pathogens; and agents that are toxic to both humans and animals. Eighty-two Select Age...
 7.12.04



Semi-Works Space

Sometimes referred to as low-bay process areas. Areas in research facilities that have all of the lab services provided but lack research benches or hoods. This type of space is useful for trial manufacturing operations, special projects, or prototype job...
 9.24.07



Semiconductor

An element that has an electrical resistivity in the range between conductors (such as aluminum) and insulators (such as silicon dioxide). Integrated circuits are typically fabricated in semiconductor materials such as silicon, germanium, or gallium arsen...
 11.3.04



Sensible Energy

A type of usable energy such as hot or cold air, or most commonly heat itself. ...
 1.29.04



Sensitive Compartmented Information Facility (SCIF)

A secure facility that meets the requirements of government specification DIAM 50-3 to protect activities occurring in the facility from espionage. The specification dictates requirements for STC ratings, acoustical control in duct work, man bars, constru...
 7.2.07



Sensitivity Analysis

The study of how the variation in the output of a model (numerical or otherwise) can be apportioned, qualitatively or quantitatively, to different sources of variation." However, when the assumptions are uncertain, and/or there are alternative sets o...
 3.28.08



Sentinel

In the laboratory animal care field, a sentinel animal is a healthy animal living among the research animals that is routinely tested for the presence of disease. This allows for the non-testing of the valuable research animals themselves. An environmen...
 11.1.05



Server

A shared device such as a printer, file storage or modem connected to a local area network....
 7.20.01



Service Corridor

A corridor in a facility that is used as a distribution pathway for building services such as cable, compressed air, deionized water, etc. A dedicated service corridor can sometimes be a functional block because people will rarely cross it to go into anot...
 2.21.06



Severe Combined Immunodeficiency (SCID) Mice

These rodents, used in research, have no immune systems. See also Nude Mice....
 4.12.07



SFP

Strategic Facility Plan. See Strategic Facility Planning....
 2.21.03



Shared Space

Two or more employees sharing a single, assigned workspace and work tools, either simultaneously or on different shifts or schedules....
 7.31.01



Shared Tenant Services

Services shared by tenants of a building. Telephone is usually the primary shared service. Advances in telephone systems permit building owners to offer a host of other services, including integrated data and teleconferencing, security, energy management ...
 3.2.07



Shear

The strain in or failure of a structural member at a point where the lines of force and resistance are perpendicular to the member....
 7.20.01



Shop Drawings

Detailed drawings prepared by the contractor or subcontractor to show the exact configuration of an item or assembly proposed for use on the project and how it fits into the surrounding construction. Shop drawings are reviewed by the architect (and co...
 11.9.05



Shoutdown System

A single circuit intercom that can be used to broadcast messages. A person speaks into the phone and connects with all parties on the line, whether they are within the building or even across the country. The person receiving the message need not pick up ...
 7.20.01



Shower In - Shower Out

Areas that have the entry and exit requirements of showering and changing of clothes. Such requirements are meant to keep contaminants from entering and hazardous agents from leaving the area. An area can also be just shower-in or just shower-out. See ...
 1.22.04



SI

See Site Investigation. ...
 7.20.01



Sick Building Syndrome

A malaise that affects occupants of a contaminated building during the time they spend in the building and then diminishes during periods when they are away from the building. Cannot be traced to specific pollutants or sources within the building. The...
 7.29.03



SIG

see Special Interest Group. ...
 7.20.01



Simplex (Half Duplex)

A single-direction signal, as opposed to full duplex or two-way communication. In reference to videoconferencing, simplex means that one location is sending video, audio, and data. See also Full Duplex....
 3.2.07



Single-Ply Roof

A roof surfacing that employs a single sheet of membrane manufactured under factory control. Manufacturers of single-sheet roofing membrane materials claim that roofs can be waterproofed at a lower cost and have a longer life than conventional built-up ro...
 7.20.01



Site Investigation

The step following preliminary assessment in a hazardous waste cleanup under the Comprehensive Environmental Resource, Compensation and Liability Act (CERCLA). The SI involves visiting the site to collect all data required for ranking the hazard potential...
 8.27.07



Six Sigma

A methodology that provides businesses with the tools to improve the capability of their business processes. This increase in performance and decrease in process variation leads to defect reduction and vast improvement in profits, employee morale and qual...
 5.13.05



Skin

Exterior walls of a building. Also the exterior building materials attached to the structural system to enclose the building_precast concrete, brick, glass, etc....
 7.20.01



Skunk Works

An informal area much like a workshop or garage where scientists can experiment with instruments and processes or manufacture prototypes without interrupting production lines. The idea originated in the polymer processing and chemicals fields, from which ...
 2.27.08



Slippage

The relative lateral movement of adjacent components of a built-up membrane. It occurs mainly in roofing membranes on a slope, sometimes exposing the lower piles or even the base sheet to the weather....
 7.20.01



Slit Sampler

An impinger-type sampling device used to determine the concentration of a known, viable spore that has been placed in an aerosol at a specific location. Fluid from the slit sampler is placed aseptically on an appropriate media and incubated to ascertain i...
 5.17.07



Slow-Scan Video

Same as freeze-frame video, but in teleconferencing, refers to a scan converter that accepts graphic materials only one line at a time, requiring that the object in front of the camera remain stationary for several seconds. The converter operates diff...
 1.14.05



Slurry

A mixture of water and any finely divided insoluble material such as clay or portland cement and water. ...
 10.13.04



Smart Buildings

Smart buildings are facilities that employ building automation controls and communications technologies that connect systems that usually function independently - such as electrical, fire, HVAC, life safety, and security. By taking advantage of informatio...
 7.5.05



Smart Card

A security system access card that has a microprocessor with memory capabilities. Biometrics can be measured; e.g. a fingerprint. This will eliminate the problem of stolen or borrowed cards. This card can be used not only for security, but for other em...
 7.29.03



Smoke Pencil

A smoke pencil is typically a hand-held device that emits a chemical smoke when squeezed. Smoke pencils can be used to quickly and accurately determine the air pressure relationship between two spaces--for example, between the indoors and outdoors or betw...
 1.10.05



SMTP

Short for Simple Mail Transfer Protocol, a protocol for sending email messages between servers. Most email systems that send mail over the Internet use SMTP to send messages from one server to another; the messages can then be retrieved with an email clie...
 2.20.04



Sniff Ducts

Flexible hoses at the benchtop which provide localized exhaust....
 5.25.07



Snorkels

Used for the spot exhaust of fumes from sensitive laboratory experiments or tests. Snorkels are flexible units that resemble an inverted funnel or elephant trunk; they can be positioned above a particular benchtop experiment. Snorkels are HVAC efficie...
 9.14.05



Soft Foot

A condition that exists when the bottom of all of the feet of the machinery components are not on the same plane (can be compared to a chair with one short leg). Soft foot is present if the machine frame distorts when a foot bolt is loosened or tightened....
 7.6.07



Soft Space

Interaction areas such as circulation lounges and breakout areas that bind together the heavily programmed areas of a facility. This type of space can be thought of as a facility's "connective tissue."...
 10.18.06



Solar Chimney

See Thermal Chimney....
 9.21.01



Solid Waste

Non-liquid, non-soluble materials ranging from municipal garbage to industrial wastes that contain complex and sometimes hazardous substances. Waste treatment plants, water supply treatment plants, air pollution control facilities and industrial, mining a...
 5.31.07



Solid Waste Management Unit (SWMU)

A unit for disposal of solid hazardous wastes, as defined by the 1976 Resource and Conservation Recovery Act (RCRA). Units may include waste piles, landfills, ponds, landfarms and incinerators....
 7.20.01



Solvent

Any liquid or gas that can dissolve other substances. Liquid Chromatography requires the large use of solvents thus creating code compliance and ventilation problems. Some solvents are toxic and their use creates significant occupational health issues....
 1.22.04



Solvent Vapor Systems

Systems that are designed to recover the solvent for reuse, as well as those that prevent escape of hazardous materials into the atmosphere. Configurations range from simple filters to complex systems, which require extensive process instrumentation and c...
 3.16.04



Sonotube

A cylindrical fiber form used in forming plaster, half-round, quarter-round, and obround columns. Also used as stub piers for elevated ramps, outdoor signs, pole and fence-pole bases, flagstones, and round steps. A "trade name" that seems to have reached ...
 5.21.04



Sound Attenuation

Describes the drop-off of sound between two locations outdoors or between two workstations in an open-plan office. The amount of sound attenuation that occurs between open-plan workstations depends on (1) the distance between the workstations, (2) the shi...
 7.20.01



Sound Power Level

The power level of a noise source is the total energy emitted in one second, expressed in watts. Sound power level is this figure expressed in decibels. The formula is: SWL = 10 log (W/W0) dB where W (watts) is the sound power of the source and W0 is the ...
 6.25.07



Sound Pressure Level

The magnitude of a sound wave. The human ear, which detects sound waves logarithmically, reacts to the average value of pressure in a sound wave. Sound pressure is expressed in decibels. The formula for sound pressure level (SPL) is: SPL = 20 log (P/P0) d...
 9.4.07



Spatial Uniformity

A measure of the evenness of sound loudness (decibels) over a given area. With a spatial variation of ñ2 dB, the sound variance would not likely be perceived as someone moves through the space....
 8.14.06



Special Interest Group (SIG)

In electronic mail, a distribution list of people who share a common interest in a particular topic....
 7.20.01



Specific-Pathogen-Free (SPF) Mice

Mice that are free of specific diseases such as salmonella....
 4.12.07



Specifications

Customarily taken to refer to the book of written material that, along with the drawings, constitutes the contract documents describing in full the requirements and terms of the agreement between owner and contractor. More properly called the Technical Sp...
 11.8.06



Specimen Room

A receiving area in a laboratory where specimens are held before they are distributed....
 1.25.08



Spectrophotometer

A spectrophotometer is a photometer (a device for measuring light intensity) that can measure intensity as a function of the color, or more specifically, the wavelength of light. There are many kinds of spectrophotometers. Among the most important distinc...
 12.19.07



Spectroscopy

An instrument for dispersing radiation into a spectrum for visual observation or emission or absorption....
 4.10.06



Spectrum

With respect to acoustics, spectrum is the range of frequencies that make up a sound. It can also be referred to as the distribution of noise with frequency. ...
 7.20.01



Speech Privacy Noise Isolation Class (NIC')

A rating schedule for elements—i.e., partitions, ceilings—in the contemporary open-plan office. A Class-A, or excellent, rating for vertical elements is NIC' 25; a minimum of NIC' 21 is required for Class-B. See also Noise Reduction Coefficien...
 10.5.07



SPF Mice

See Specific-Pathogen-Free Mice. ...
 4.12.07



Spill Light

Lumens distributed by a luminary which are outside the beam spread....
 4.2.08



Spill Tanks

Holding tanks used to collect chemicals discharged from a chemical storage facility. Usually located away from a facility on a tank farm, individual spill tanks are connected to different waste-line systems to prevent the mixing of incompatible chemicals....
 7.20.01



Spilling

Air flow from a bench with a canopy hood; e.g. a grill, not being exhausted enough and spilling air out through the front of the bench....
 1.22.04



Spray Rack

A spray rack can be used in conjunction with a blower door to test the rain resistance of a particular building assembly. The blower door establishes an air pressure differential across a window or a wall to simulate the effect of wind acting on the outsi...
 1.10.05



Spread Rate

The theoretical area that will be covered by a gallon of coating at the manufacturer's recommended wet film thickness....
 10.5.07



SQL

Abbreviation of structured query language, and pronounced either see-kwell or as separate letters. SQL is a standardized query language for requesting information from a database. The original version called SEQUEL (structured English query language) was ...
 7.21.04



Square

A term used by roofers to indicate an amount of roof area equal to 100 square feet (92.2 square meters). It refers to roofing material sufficient to cover 100 square feet of roof area....
 7.20.01



Squeeze-Downs

Contract clauses and provisions that reduce the equity share of joint venture partners when other partners or outside parties invest more money in the project to cover unanticipated capital needs....
 5.16.05



Stack Effect

The tendency of buildings to be hotter on the upper floors....
 10.5.07



Stack Velocity

The minimum gas velocity in a laboratory facility's air exhaust stack that is required to effectively dilute a given gas into the environment....
 6.12.06



Static Pressure

The pressure of a fluid exerted in all directions that is equal and opposite to the pressure tending to compress the fluid. In ventilation applications, static pressure is usually the difference between the pressure in an exhaust system and atmospheric pr...
 7.20.01



Stereostatic Biopsy

A biopsy procedure that uses a computer and a three-dimensional scanning device to find a tumor site and guide the removal of tissue for examination under a microscope. ...
 6.9.05



Sterile Fluids

Fluids which may be demonstrated to be free of viable contaminating microorganisms. Such liquids may be obtained by sterilization of the preparation in a suitable container or by filtration through a filter that is 0.45 micron or smaller....
 5.25.07



Sterilization

The process of destroying all forms of microbiological life on and in an object. ...
 9.13.04



Stiffness

The ratio of the force required to create a certain deflection or movement of a part expressed as (Force/deflection) pounds/inch or grams/cm. ...
 11.22.04



Strategic Facilities Planning

The process of incorporating corporate long-range goals and philosophies into a responsive facilities building plan. See also Strategy....
 10.18.06



Strategic Information Mapping

A programming method that establishes optimum facilities design parameters for a given organization on the basis of the identification, grouping, and graphical representation of the information flow between people and groups that is crucial to the strateg...
 7.6.05



Strategic Partnering

An agreement which allows organizations to take advantage of market opportunities and respond to customer needs in collaboration, enabling them to do so more efficiently and effectively than they could separately. ...
 1.29.04



Strategy

From the Greek strategia meaning generalship, maneuvers. A set of decisions and policies made in the context of present conditions to achieve a planned advantage. A strategy specifies an organization's long-range objectives and prescribes well-defined man...
 11.23.05



Streamlining

To make something such as a business, organization, or manufacturing process more efficient, especially by simplifying or modernizing it. ...
 5.20.03



Strongbacks

A support system of specialized beams that allow for underground excavation and construction alongside existing structures....
 8.28.06



Structural Concrete

Conventionally reinforced pan-joist, skip joist, post tensioned flat slab, post tensioned beams and/or joist, precast, composite concrete and steel. ...
 7.20.01



Stylus

A pointing and drawing device shaped like a pen used with a digitizing tablet or touch screen. ...
 6.30.03



Substantial Completion

That point in a project when the owner may occupy the premises for the purpose intended (beneficial occupancy), even though not all items of work may be 100 percent complete. Under standard A.I.A. forms of agreement, most monies withheld are released ...
 9.19.05



Substrate

A surface, foundation, or base. ...
 7.29.03



Superdorm

A communal housing facility for students from multiple schools that lack the endowments or land to build their own....
 9.27.06



Superfund

The program operated under the legislative authority of CERCLA and SARA that funds and carries out EPA solid waste emergency and long-term removal and remedial activities. See also CERCLA and SARA....
 7.20.01



Surface Impoundment

A natural topographic depression, artificial excavation or dike arrangement with the following characteristics: used primarily for the holding, treatment or disposal of waste; constructed above, below or partially in the ground or in navigable waters; wit...
 7.20.01



Surge Space

The area outside training or conference rooms that is needed to accommodate the increased people traffic occurring when classes or conference sessions all end at the same time. Also shell space that can be quickly fitted and occupied when needed....
 6.16.06



Suspended Particles

Small particles in water, including silt, plumbing pipe debris and colloids. Suspended particles can clog valves, lab tubing, reverse osmosis membranes and conductivity meters. A 10- to 20-micron prefilter is often placed as the first component in a water...
 2.27.08



Sustainable Design

Sustainable design is the art of designing physical objects to comply with the principles of economic, social, and ecological sustainability. Examples include green buildings that conserve energy, water and resources without polluting either indoor or out...
 9.19.05



Sustainable Development

Sustainable development implies economic growth together with the protection of environmental quality, each reinforcing the other. The essence of this form of development is a stable relationship between human activities and the natural world, which does ...
 9.19.05



Swing Space

Space in a building that is used to house workers who must be moved out of their permanent space during a renovation program. Swing space can be a separate facility or a fixed area within a building, or it may be "floating" space that is freed up in diffe...
 11.8.06



Switch

A device that opens or closes a circuit. In telecommunications, switches route telephone calls properly through the maze of equipment found in a typical system....
 7.20.01



Switchable Glazing

Also called optical shutters. A glazing system used to change reflectivity in response to heat, light or electricity. By using glazing panel sandwiches filled with thermochromic material that turns nearly opaque and highly reflective at given preset tempe...
 3.21.07



SWMU

See Solid Waste Management Unit....
 7.20.01



SWOT

Strength, Weakness, Opportunity, Threat. A strategic planning process....
 7.29.03



Synergism

An interaction between two chemicals such that their combined effect is greater than the effect of either acting alone....
 10.11.06



System Balancing

The final stage in the installation of HVAC systems in which sensors, power controls, dampers, fan speeds and other system variables are adjusted to meet the air flow, pressurization, humidity, temperature, cleanliness and stability specifications for the...
 1.3.06



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