ends of sleeves for floor slabs shall extend 15 mm 1/2 inch above finished
floor surface. Sleeves located in waterproofed construction shall include
flange and clamping ring.
2.11.2
Partitions
Galvanized sheet steel, 26 gage or heavier, of sufficient length to
completely extend through partition thickness with sleeve ends flush with
partition finished surface.
2.12
VALVE BOX
Provide rectangular concrete design with words "Compressed Air" cast or
otherwise marked on the cover. Size shall be large enough for removal of
valve without removing box. Provide valve box for areas as follows:
a.
Roads and traffic areas:
Heavy Duty, cast iron cover
b.
Other areas:
Standard duty, heavy steel plate or concrete cover
2.13
IDENTIFICATION LABELS FOR PIPING
Labels for pipes 20 mm 3/4 inch O.D. and larger shall bear printed legends
to identify contents of pipes and arrows to show direction of flow. Except
that of pipes smaller than 20 mm 3/4 inch O.D., labels shall have color
coded backgrounds to signify levels of hazard in accordance with PFI ES 22.
Legends and type and size or characters shall also conform to PFI ES 22.
Labels shall be made of plastic sheet in conformance with FS A-A-1689 with
pressure-sensitive adhesive suitable for the intended applications or they
may be premolded of plastic to fit over specific pipe outside diameters 20
mm 3/4 inch and larger. For pipes smaller than 20 mm 3/4 inch O.D.,
furnish brass identification tags 40 mm 1 1/2 inches in diameter with
legends in depressed black-filled characters.
2.14
BURIED UTILITY WARNING AND IDENTIFICATION TAPE
Polyethylene plastic tape manufactured specifically for warning and
identification of buried utility lines. Tape shall be of the type provided
in rolls, 152 mm 6 inches minimum width, color codes for compressed air
(gray) with warning and identification imprinted in bold black letters
continuously and repeatedly over entire tape length. Warning and
identification shall be "CAUTION BURIED COMPRESSED AIR LINE BELOW" or
similar wording. Code and letter coloring shall be permanent, unaffected
by moisture and other substances contained in trench backfill material.
2.15
FRESH WATER
Fresh water for cleaning, flushing, and testing shall be clean and potable.
2.16
BASIC PIPING AND COMPONENT MATERIALS
Conform to the following where material is specified by generic type and no
specification is listed.
2.16.1
Stainless Steel
Austenitic type, annealed, ASTM A 182/A 182M.
SECTION 15212N
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