04.01.2013 Views

TranSystems Corporation - LGM Construction

TranSystems Corporation - LGM Construction

TranSystems Corporation - LGM Construction

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

501070099 Federal Express Oakland Sort Expansion Issued for Bid 10/11<br />

I. (TYPE B) - Ceiling Exhaust and Return Registers: Fabricated of aluminum with 1/2 inch x 1/2 inch<br />

x 1/2 inch grid cores. Margin shall be 1-1/4 inch with gasket. Mounting frame shall be provided for<br />

all applications except 24 inch or 48 inch registers located in lay-in tile ceilings. Provide integral<br />

gang-operated opposed blade damper with removable key operator, operable from face. Finish<br />

shall be manufacturer's standard, etched with acrylic coat. Anemostat GC50/GC 50L or similar by<br />

Titus, or Tuttle and Bailey.<br />

J. (TYPE C) – Sidewall Supply Registers: Fabricated of aluminum with individually adjustable foil<br />

shaped blades, spaced 3/4 inch on center. Units shall have vertical face, double deflection bar<br />

style grilles. Margin shall be 1-1/4 inch with gasket. Provide gang-operated opposed blade<br />

damper with removable key operator, operable from face. Finish shall be manufacturer’s standard<br />

baked enamel. Anemostat Model X2V0 or similar by Titus or Tuttle and Bailey.<br />

K. (TYPE D) - Linear Diffuser: Plenum shall be constructed of galvanized steel complete with inlet<br />

collar. Adjustable air diffuser section shall be aluminum extrusions with factory applied baked<br />

enamel. Internal surfaces shall be insulated with 1/2 inch thick foil faced insulation. Diffuser shall<br />

be designed to mount in standard tee bar ceiling with tile angles to support adjacent tiles.<br />

Anemostat Slad 100 or equal.<br />

L. (TYPE M) – Ceiling Diffuser: For secure areas such as the CBP Wet Holding Room, provide a<br />

steel diffuser with a heavy-duty lattice face. Provide tamper-proof security screws. Diffusers shall<br />

be Model M by Tuttle and Bailey or equal by Titus or Price.<br />

M. (TYPE S) – Secure areas shall have perforated face plate exhaust/return grilles similar to the<br />

setup by Tuttle and Bailey or equal by Titus or Price.<br />

2.15 LOUVERS<br />

A. Louvers shall be furnished and installed under Division 10.<br />

2.16 ROOF CURBS<br />

A. Provide prefabricated, pre-insulated aluminum curb by pre-engineered metal building<br />

manufacturer with fully welded smooth corners and joints. Curb shall have an integral base flange<br />

with minimum width of 3 inches and minimum height of 12 inches from flange to top of curb.<br />

Flange shall be free of warpage and sharp edges. Where curbs are installed without connecting<br />

ductwork, a 22 gauge galvanized sheet metal liner shall be installed to cover exposed insulation.<br />

PART 3 - EXECUTION<br />

3.1 Fans shall be installed level and free of excessive vibration.<br />

3.2 Provide sheaves as required for final air balancing. Install fans in accordance with manufacturer's written<br />

instructions.<br />

3.3 Ducts shall be true to the dimensions indicated on the Drawings and shall be straight and smooth on the<br />

inside.<br />

3.4 Ductwork shall be installed by qualified personnel. Ductwork shall be braced and securely anchored to the<br />

building structure so as to be completely free from vibration under all conditions of operation.<br />

AIR DISTRIBUTION 15800-6

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!