21.12 Locate overflow scuppers in parapet walls at top of membrane so
that ponding does not exceed high point of slopes.
21.13 Where the roof deck is to become a future floor slab, design the
roof system as follows:
a.
Depress roof slab as required by VA Design and Construction
Procedure, "Future Vertical Expansion", paragraph 2d.
b.
Provide a separation between the roof system and the roof deck
(future floor slab).
c.
Design for easy removal of the roofing system down to the roof
deck.
d.
Detail connections for future columns and exterior walls to
prevent water infiltration into the roof system.
21.14 Use 200 mm (8 inch) high base flashing at walls and penetrations.
Do not use pitch pockets or similar penetration seals.
22.
PLUMBING FIXTURES, TOILETS AND BATHS:
22.1
All toilet stall partitions are to be ceiling hung.
a.
Use steel with baked-on enamel finish for toilet stall
partitions and room entrance screens. Exceptions:
1.
Provide stainless steel toilet stall partitions adjacent
to urinals.
2.
Room entrance screens that double as part of a toilet
partition enclosure shall be of typical stud construction,
from floor to ceiling.
b.
Provide stainless steel wall-hung urinal screen partitions.
22.2
Do not use toilet stalls or divider partitions in single-user
toilet rooms in which only a lavatory and water closet are
provided.
22.3
Provide vinyl wallcovering on walls with lavatories, sinks, or
electric eater coolers, unless space has ceramic tile wainscot or
other impermeable finish.
22.4
In planning the layouts of toilet rooms and bathrooms, use hinged
doors or provide visual screening, so as to block the view from
the corridors into such rooms. (See VA Standard Detail 12A.)
22.5
Provide electrical water coolers in alcoves on nursing or bed
units and where specifically required by VA Program Guide 7610.
All water coolers are to be accessible per requirements of the
Uniform Federal Accessibility Standards.
23.
SHOWERS:
23.1
Use ceramic tile applied with thinset Portland cement to concrete-
fiber reinforced backer board for shower enclosures and partitions
of contiguous areas.
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