301_pdfsam_2.3- Mechanical, HVAC & Plumbing Specification Novotel
Content
Gulf House Engineering January 2010 Provide neoprene gaskets securely formed into door frames around the periphery of all duct access doors. Equip door frames for plenums and casings with hollow tubular gaskets. Provide all doors complete with 300 mm x 300 mm viewing ports. Provide access doors at all fire dampers. Gasket used shall be of high temperature rating. Servicing volume dampers and servicing of motors on fans and air handling units. Access doors shall be provided with sponge rubber gaskets around the entire perimeter. Hang access doors in ductwork in separate frames and attached to duct with aircraft type cable. Provide "Ventlok No. 100" cast zinc latches one (1) per side. Install hinged walk-in type casing access doors where required and indicated on the Drawings. Construct casing access doors 1450mm x 600mm wide where possible and be complete with heavy duty hinges, hardware, and Ventlok # 260 latch handles. See figures 61 1 and 6-12, and Table 6-2 of the 1985 SMACNA Manual. 2.4 Acoustic Duct Lining A. Rectangular Duct Liner: Permacote Linacoustic meeting ASTM C 1071 with air surface coated with acrylic coating treated with EPA registered anti-microbial agent proven to resist microbial growth as determined by ASTM G 21 and G 22. 1. Noise Reduction Coefficient: 0.70 or higher based on Type A mounting and tested in accordance to ASTM C 423. Adhesive: Meeting ASTM C 916. Fasteners: Duct liner galvanized steel pins, welded or mechanically fastened.
2. 3.
B.
Round Duct Liner: Permacote Spiracoustic, rigid performed round liner, or Spiracoustic Plus with air surface coated with acrylic coating treated with EPA register anti-microbial agent proven to resist microbial growth as determined by ASTM G 21 and G 22. 1. Noise Reduction Coefficient of 0.70 as per ASTM C 423. (Type A mounting)
2.5
Field Assembled Plenum and Casing Construction A. Provide metal partitions, plenums and casings of not less than 1.61 mm galvanized sheet metal suitably reinforced with rolled angle sections. Provide metal partitions, plenums and casings with adequate strength for all operating conditions. Fabricate each sheet of material as a panel. Join panels by 40 mm standing seams on outside of casings and secure with bolts at 300 mm centres. Provide closure baffles around banks of coils, filters and other inline components. Provide 25 mm minimum size rolled structural steel angles where casing meets floor. Caulk joints to prevent air and water leakage.
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B.
C.
D.
07-C106 NOVOTEL AL DANA RESORT TOWERS SECTION 15890 SHEET METALS
2. 3.
B.
Round Duct Liner: Permacote Spiracoustic, rigid performed round liner, or Spiracoustic Plus with air surface coated with acrylic coating treated with EPA register anti-microbial agent proven to resist microbial growth as determined by ASTM G 21 and G 22. 1. Noise Reduction Coefficient of 0.70 as per ASTM C 423. (Type A mounting)
2.5
Field Assembled Plenum and Casing Construction A. Provide metal partitions, plenums and casings of not less than 1.61 mm galvanized sheet metal suitably reinforced with rolled angle sections. Provide metal partitions, plenums and casings with adequate strength for all operating conditions. Fabricate each sheet of material as a panel. Join panels by 40 mm standing seams on outside of casings and secure with bolts at 300 mm centres. Provide closure baffles around banks of coils, filters and other inline components. Provide 25 mm minimum size rolled structural steel angles where casing meets floor. Caulk joints to prevent air and water leakage.
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B.
C.
D.
07-C106 NOVOTEL AL DANA RESORT TOWERS SECTION 15890 SHEET METALS
