VA 11 53 61 Custom Fabricated Laboratory Equipment

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SECTION 11 53 61
CUSTOM FABRICATED LABORATORY EQUIPMENT
SPEC WRITER NOTES:
1. Delete between // ____ // if not
applicable to project.
2. Also, delete other items or paragraphs
not applicable in the section and
renumber the paragraphs.
PART 1 - GENERAL
1.1 DESCRIPTION
This section specifies necropsy // dissecting tables // and // animalcage sinks //.
1.2 RELATED WORK
A. Plumbing Connections: Section 22 11 00, FACILITY WATER DISTRIBUTION and
// Section 22 13 00, FACILITY SANITARY SEWERAGE // Section 22 66 00,
CHEMICAL-WASTE SYSTEMS FOR LABORATORY AND HEALTHCARE FACILITIES //.
B. Ductwork: Section 23 31 00, HVAC DUCTS AND CASINGS.
C. Electrical Connections: Section 26 05 11, REQUIREMENTS FOR ELECTRICAL
INSTALLATIONS.
D. Electrical Devices: Section 26 27 26, WIRING DEVICES.
1.3 QUALITY CONTROL
A. Manufacturer Qualifications: Manufacturer regularly and presently
manufactures necropsy equipment.
B. Electrical Components and Devices: UL listed and labeled for intended
use.
1.4 SUBMITTALS
A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT
DATA, AND SAMPLES.
B. Manufacturer's Literature and Data: Include illustrations and
descriptions of necropsy equipment.
C. Shop Drawings: Show details of installation, coordination with
mechanical and electrical work, anchorage, and other work required for
complete installation.
D. Field Test Reports: Indicate dates and times of tests and certify test
results.
E. Operating Instructions: Comply with requirements in Section 01 00 00,
GENERAL REQUIREMENTS.
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1.5 APPLICABLE PUBLICATIONS
A. The publications listed below form a part of this specification to the
extent referenced. The publications are referenced in the text by the
basic designation only.
B. ASTM International (ASTM):
E11-09 ................. Wire Cloth and Sieves for Testing Purposes
C. National Electrical Manufacturers Association (NEMA):
250-08 ................. Enclosures for Electrical Equipment (1000 Volts
Maximum)
D. Scientific Equipment and Furniture Association (SEFA):
2-10 ................... Recommended Practices for Installation of
Scientific Laboratory Furniture and Equipment
7-10 ................... Fixtures
PART 2 - PRODUCTS
SPEC WRITER NOTE: Show types, quantities,
and locations of service fixtures
required for each type of necropsy unit
on drawings.
2.1 NECROPSY EQUIPMENT, GENERAL
A. Factory install service fixtures and electrical devices in locations
shown on drawings.
B. Service Fixtures, General: Heavy-grade designed for mortuary use and
complying with relevant requirements in SEFA 7.
C. Water Service Fixtures: With integral vacuum breaker and as follows:
1. Outlet: Female, 10 mm (3/8 inch); threaded outlet for attachment of
filter pumps, hose connectors, antihose nozzle, or antisplash spout
ends.
2. Goosenecks: With minimum clearance of 191 mm (7-1/2 inches) between
threaded outlet and top of table. Bend gooseneck 180 degrees to
direct water flow vertically into sinks. Attach gooseneck to base
with adapter-type connection that will permit field conversion of
swing-type to fixed-type gooseneck and fixed-type to swing-type
gooseneck.
3. Operation: Manual with wrist-blade handles, unless otherwise
indicated.
D. Pedestals: Cast brass, tapered to a round base; factory assembled and
tested; and with brass shanks, brass locknuts, and washers for
attaching to tops or curbs.
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SPEC WRITER NOTE: Equipment described in
article below corresponds to symbol “HW800” in “Room Equipment Guide.”
2.2 DOWNDRAFT NECROPSY TABLE
A. Description: Stainless-steel table with integral fittings and fixtures
and downdraft capability designed to pull air down, away from
operator's face, and to protect from odors.
B. Integral Sink Unit: Equipped with hot- and cold-water fittings, swing
spout faucet, and self-closing trigger control spray head with 2438 mm
(8 feet) of hose.
C. Integral Drain Pan: Equipped with manual flush down manifold, sloped to
one end to allow for complete drainage.
D. Integral Exhaust Plenum: Equipped with a manually controlled adjustable
damper, and located the full width of the rear of the table.
E. Exhaust Connection: 254 mm (10 inch) diameter flange for connection to
the building exhaust system.
F. Filter Housing: Equipped with 99.9 percent HEPA filter.
G. Waste Disposer: 560-W (3/4-hp) heavy-duty disposer and controls.
H. Electrical Receptacles: One 120-V, single-phase, 15-A, hospital-grade
duplex receptacle.
SPEC WRITER NOTE: Equipment described in
article below corresponds to symbol "HW803" in "Room Equipment Guide."
2.3 NECROPSY DISSECTING TABLE:
A. Description: Stainless-steel unit with sink compartments, work tops,
splash backs, disposer, and shelves. Apply sound-deadening material to
underside.
B. Waste Disposer: Heavy-duty, 5595-W (7-1/2-hp) commercial-type designed
to dispose of type of waste normally accumulated in necropsy area and
for continuous commercial use. Equip disposer with sink adaptor, silver
trap, floor support, vacuum breaker, solenoid valve, flow control,
motor starting switch, and motor controller.
1. Disposer Action: Subjects waste to simultaneous grinding and
flushing action before discharging into building waste system.
a. Discharged Materials:
1) Of a consistency to flow freely through waste piping.
2) Using ASTM E 11 U.S.A standard testing sieves, 40 percent of
the discharged materials passes through a 2.36 mm (0.093 inch)
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sieve, and 65 percent passes through a 6.7 mm (0.265 inch)
sieve.
2. Housing: Cast iron or stainless steel, with inlet opening not less
than throat diameter. Provide direct water connection into grind
chamber.
3. Grind Ring: Rust-resistant steel alloy, with cutting projections of
teeth hardened and precision ground, and replaceable without
replacing housing.
4. Motor Control: Remote start-stop push-button switch in stainlesssteel waterproof box mounted on dissecting table that is wired to
wall-mounted prefabricated control center with the following
components:
a. Magnetic starter with overload and undervoltage protection.
b. Solenoid valve.
c. Time-delay relay.
d. Control-circuit transformer.
e. Flow-control interlock switch.
f. Stainless-steel, NEMA 250, Type 4 enclosure.
C. Equip each sink with hot- and cold-water fixtures, stainless-steel sink
outlet, and chemical-resistant antisiphon drum trap with clean-out
plug.
SPEC WRITER NOTE: Equipment described in
article below corresponds to symbol "HW879" in "Room Equipment Guide."
2.4 ANIMAL-CAGE SCULLERY SINK AND TABLE WITH WASTE DISPOSER
A. Description: Stainless-steel sink and table unit with waste disposer.
B. Waste Disposer: Heavy-duty, 2238-W (3-hp), commercial-type food waste
disposer designed for continuous commercial use to dispose of cooked
bones, vegetable waste, scullery waste, milk cartons, and plastic
individual condiment and jelly containers. Equip disposer with cone,
cover, silver trap, floor support, vacuum breaker, solenoid valve, flow
control, prerinse spray assembly, on-off switch, and disposer control
center.
1. Disposer Action: Subjects waste to simultaneous grinding and
flushing action before discharging into building waste system.
a. Discharged Materials:
1) Of a consistency to flow freely through waste piping.
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2) Using ASTM E 11 U.S.A standard testing sieves, 40 percent of
the discharged materials passes through a 2.36 mm (0.093 inch)
sieve, and 65 percent passes through a 6.7 mm (0.265 inch)
sieve.
2. Housing: Cast iron or stainless steel, with inlet opening not less
than throat diameter, and with direct water connection into grind
chamber.
3. Grind Ring: Rust-resistant steel alloy, with hardened and precisionground cutting teeth, and replaceable without replacing housing.
4. Cone: Fabricated from 1.3 mm (0.050 inch) thick stainless steel with
top diameter of not less than 381 mm (15 inches) and depth of 203 mm
(8 inches).
a. Opening at bottom of cone fitted to disposer with vibrationdampening, leakproof connection.
b. Equip with one or more water inlets designed to direct water
stream so it will dislodge food waste and convey it into
disposer.
c. Equip with removable cover to fit cone flush with top of
drainboard.
Fabricate cover with scrap hole that is
approximately 152 mm (6 inches) in diameter and is located
directly over bottom opening of cone.
d. Equip with removable neoprene scrapping block with integral
sleeve, and molded neoprene ring tableware trap that fits bottom
of cone.
5. Vacuum Breaker: For water connections to disposer housing and to
cone.
6. Motor Control: Remote start-stop push-button switch in stainlesssteel waterproof box mounted on table and wired to wall-mounted
prefabricated control center containing the following components:
a. Magnetic starter with overload and undervoltage protection.
b. Solenoid valve.
c. Time-delay relay.
d. Control-circuit transformer.
e. Flow-control interlock switch.
f. Stainless-steel, NEMA 250, Type 4 enclosure.
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PART 3 - EXECUTION
3.1 INSTALLATION
A. Install necropsy equipment according to manufacturer's written
instructions and to comply with relevant requirements in SEFA 2.
B. Install waste disposers to prevent backflow of polluted water or waste
into water supply system or on to work surfaces.
C. Install and interconnect electrical controls and switches.
3.2 TESTS
A. Field test installed necropsy equipment after water systems are
pressurized for proper operation.
1. Operate each component of equipment. During and after testing, there
shall be no evidence of leaks, electrical malfunction, or other
symptom of failure.
2. For units that fail testing, make adjustments and corrections to
installation, or replace necropsy equipment, and repeat tests until
necropsy equipment operates properly.
3.3 PROTECTING AND CLEANING
A. Protect equipment from dirt, water, and chemical or mechanical injury
during the remainder of the construction period.
B. At the completion of work, clean interior equipment as required to
produce ready-for-use condition.
3.4 INSTRUCTIONS
Instruct personnel and transmit operating instructions in accordance
with requirements in Section 01 00 00, GENERAL REQUIREMENTS.
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