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1. Dimensional stability(shape deformation and stren�th). • <br /> 2. Containment of the air being conveyed (leakage control). � <br /> 3. Vibration (fatigue and appearance). <br /> 4. Noise (generation, transmission or attenuation). <br /> 5. Exposure (to damage, weather,temperature extremes, <br /> , flexure cycles, wind, corrosive atmospheres, biological <br /> contamination, flow interruption or reversal, underb ound <br /> or other encasement conditions, combustion, or other in- <br /> service conditions). <br /> 6. Support(ali�nment and position retention). <br /> 7. Thermal conductivity(heat gain or loss and condensation <br /> control). <br /> C. Provide duct materials which comply with SMACNA standard and <br /> local and state codes, whichever is the most stringent. <br /> D. Support ductwork in accordance with applicable requirements of • <br /> SMACNA standards, local and state codes, and details on plans, <br /> whichever is the most stringent. <br /> 1.3 SUBMITTALS AND SHOP DR.AWINGS <br /> A. Submit materiallproduct data to desib er for approval ONLY when <br /> it deviates from products specified in PART 2. <br /> B. Shop Drawings: Submit for review complete sheet metal shop <br /> drawings for all duct work, including equipment rooms, shafts, and <br /> especially congested areas and areas with potential conflicts. Do <br /> not proceed without stamped, approved of shop drawings. <br /> Submittal shall reflect space requirements required by other tr�des <br /> such as Electrical, Plumbing, Mechanical and Structural and shall <br /> show that the requirements of a11 trades have been coordinated. <br /> Shop drawings submitted for review shall have stamped appro��a1 <br /> of appropriate trades to substantiate adequate coordination of <br /> space, accessibility and lack of conflict between contractors. <br /> C. General Contractor shall be responsible for coordination betwP�:n <br /> trades and shall stamp and sign the ductwork drawings to • <br /> substantiate that the coordination has been accomplished. <br /> ICT 99184 <br />, 15890 - 2 <br />�` <br />