JULY 2005
SOLICITATION FOR OFFERS
OUTPATIENT CLINIC
SFO NO. V101-183R-xxx-xxx-xx
[INSERT LOCATION OF FACILITY]
If laboratory equipment being purchased by the outpatient clinic is known, and items have requirements for
higher air pressures, provide additional tee, regulator, and piping to that equipment at the required
pressure.
Natural gas, and manifolded laboratory gas system pressures shall be determined on a project basis.
Design and construct laboratory vacuum systems to deliver 15 inches Hg at the point of use.
Provide a source shut-off valve for each laboratory gas and vacuum system at the immediate outlet (or
inlet, in the case of vacuum) of the source of supply, so that the entire supply source, including all
accessory equipment, can be isolated from the entire pipeline system.
In facilities where manifolded laboratory gases occur, provide adequately sized and properly constructed
storage space is provided for the gas cylinders. Provide both primary and reserve banks for cylinder gas
sources.
Laboratory air compressors and vacuum pumps shall serve the laboratory air and vacuum systems only.
Locate laboratory air compressors and vacuum pumps in a clean, relatively cool environment, i.e., not with
steam equipment, exceeding 100 degrees F ambient temperature. Locate equipment in an area where it
can be easily monitored regularly.
Laboratory air compressors and vacuum pumps shall be multiplexed with single receivers. Compressors
and pumps shall be sized such that 100 percent of the design load is carried with the largest single unit out
of service. Provide three valve bypass at receiver.
Laboratory air compressors shall be a type that provides "Medical Compressed Air", as defined by NFPA
99.
Provide air dryers, filters and pressure regulators for the laboratory air system in duplex, each sized for
100 percent of the load using duplex twin tower desiccant dryers. Include continuous dewpoint monitoring
downstream of the regulator and carbon monoxide monitoring with sample connections on the discharge
piping after the filters and regulators. Locate monitors adjacent to the control panel or integral with control
panel.
Locate the laboratory air compressor system intake outdoors above roof level, at least 25 feet from any
building opening or other intake, and where no contamination from engine exhausts, fuel storage vents,
vacuum system discharges, particulate matter or odor of any type is anticipated. Separation distance may
need to be increased, depending upon prevailing wind direction and velocity. Air that is already filtered for
ventilation system use is an acceptable source for laboratory air compressors. Combined intakes must be
sized for no restriction while flowing maximum intake possible, and provided with an isolation valve at the
header for each compressor served.
Combine discharge from each laboratory vacuum pump into one discharge pipe, sized for no restriction
while flowing maximum discharge possible, and provide an isolation valve at the header for each pump
served. Exhaust discharge at the highest point of the building, above and at least 25 feet horizontally (may
be more depending upon prevailing wind direction and velocity) from any door, window, louvered or
ventilating opening of the building.
6.6.12.2 PIPING SYSTEMS:
Design and construct natural gas piping systems in accordance with NFPA 54. Design and construct other
pressure piping systems not to exceed 5 psi loss from source to point of use. Design and construct
vacuum piping systems not to exceed 3 inches Hg from source to point of use.
Part I: Basic Solicitation Requirements Page 109 of 169
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