2. Steam Coils.

a. Except where special design requirements might dictate, coils shall have copper tubes with aluminum fins, permanently bonded. b. Provide access areas on inlet and discharge sides of coils for maintenance purposes. c. Provide for coil pull space and specify full track support for easy installation and service. AUGUST 2011 UCB STANDARDS 15790-1d. Specify all water coils to be drainable type. e. Provide drain piping and air venting at all water coils. f. Specify all coil ratings to be ARI Standard 410 certified. g. Specify fin spacing to be 12 fins per inch or less unless otherwise indicated. h. As a measure to improve indoor air quality as per ASHRAE 62-1989: Coil drain pans and drip troughs at the bottom of coils should be designed to slope to drain to minimize standing water in the air handling unit, plenum, etc. (Stagnant water is prime habitat for microorganisms.) i. Specify working pressures and temperatures for coils. Be sure to allow for th