to be provided or higher floor loads are required.
This is most critical when raised floors are
specified. Allowances must be made for elevated
door thresholds. Specify special requirements for
laboratory loads or seismic loading in this
paragraph. If concrete floors are specified, they
should be thick enough to hold anchor bolts for
equipment, supports, and interior partitions. Vinyl
tile composition 1 is asbestos-free and should be
specified for all projects.
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Provide welded steel floor that is flat and free from warping and buckling
to support the intended floor finish without damage under design traffic
and loads. The floor shall be capable of [1950 kg/sq m] [400 psf][_____]
minimum loading [and shall not buckle or distort when lifted by a forklift].
2.2.3.1
Floor Finish
Vinyl composition tile, ASTM F 1066, Type IV composition 1, 300 by 300 mm,
3 mm 12 by 12 inches, 1/8 inch thick.
[2.2.3.2
Subfloor
19 mm3/4 inch exterior grade Douglas Fir plywood.
][2.2.3.3
Heavy Duty Floor
Heavy Duty Floor shall be a minimum of [100 mm] [4 inches] [_____] of steel
reinforced concrete rated at 20 MPa 3000 psi, compressive strength applied
directly on top of the steel floor of the enclosure.
]2.3
DOOR ASSEMBLIES
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NOTE: Do not accept doors that deviate from this
specification without consulting NAVFAC 15C.
Probable deviations include: magnetic and
electromagnetic doors, other non-finger stock type
doors, adhesive mounted finger stock, and requests
to approve doors tested to less than 10,000 open
close cycles, among others.
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The enclosure door[s] shall be nonsagging and nonwarping and shall afford
shielded effectiveness equal to the rest of the enclosure when the door is
closed. Provide [multiple rows] [at least one row] of RF finger stock
around the shielded door or door frame. The fingers that form a contact
between the door and door frame shall be protected from damage due to
physical contact and shall be concealed within the door and frame
assemblies. The door shall have a clear opening of [900 mm] [36 inches]
[_____] wide and [2100 mm] [84 inches] [_____] high. Door assemblies shall
be factory made. Doors shall be reinforced steel or laminated type.
Laminated type shall have the steel faces electrically and mechanically
joined by channels or overlapping seams, both of which shall be
continuously seam welded along joined surfaces.
SECTION 13094N
Page 12
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