TranSystems Corporation - LGM Construction

501070099 Federal Express Oakland Sort Expansion Issued for Bid 10/11
C. Access doors shall be Duro Dyne, or similar by Ventfabrics.
2.12 TEST CONNECTIONS
A. Instrument test connections shall be installed in the return air, outside air and supply air ducts of
each air unit.
B. Test connections shall be Ventfabrics #699-2 or equal.
2.13 FLEXIBLE CONNECTIONS
A. Heavy glass fabric double coated with neoprene, 30 oz/sq yd, air tight, water tight, and fire
retardant, complete with all angles, bolts, and clips required to fasten fabric to sheetmetal. Install
between duct and air unit.
B. Flexible connections shall be Ventfabrics "Ventglas" or equal.
2.14 GRILLES, REGISTERS, AND DIFFUSERS
A. Manufacturer shall submit a written guarantee that ceiling diffusers will distribute air
uniformly through the conditioned space with a 20 degree F temperature differential
between average room temperature and supply air temperature.
B. The manufacturer’s representative shall review the drawings and system design prior to
submission of the grille, register, and diffuser submittal.
C. Manufacturer shall guarantee that all grilles, registers, and diffusers furnished will perform as
required for the intended application. Exceptions shall be brought to Engineer's attention prior to
bidding the project.
D. Provide SCHEDULE for approval clearly indicating the room, CFM, size, static pressure drop,
throw and NC level.
NOTE: FAILURE TO PROVIDE TABULATED SCHEDULE WILL RESULT IN THE AUTOMATIC
REJECTION OF SUBMITTAL SCHEDULE SHALL BE AS DELINEATED IN PART 3 -
EXECUTION.
E. Grilles, registers, and diffusers shall be square or rectangular shape unless otherwise noted.
F. Finish shall be white baked enamel unless otherwise noted.
G. Grilles, registers and diffusers in moist locations (lockers, toilet rooms, and janitor closets) shall
have an approved moisture resistant finish, gasketed frames, and aluminum construction.
H. (TYPE A) - Ceiling Diffusers: Fabricated of aluminum having square or rectangular discharge
pattern. Units shall be supplied with overlap margins and square-to-round neck adapter. Center
core shall be fixed pattern, multiple orifice, removable type. Provide with integral, gang-operated
opposed blade damper with removable key operator, operable from face. Finish shall be
manufacturer's standard baked enamel. Anemostat DF or similar by Titus, or Tuttle and Bailey.
AIR DISTRIBUTION 15800-5