Some Cast Iron Boiler Mfr's (Burnham, Peerless, Others?) use metal push nipples to seal the water passages between adjacent boiler sections. They infer that this is a superior sealing method compared to other manufacturer's (Weil McClain, Smith Boiler, Others?) who use high temperature elastomer...
We are specifying design build criteria for fitup of some temporary (10 years or less) 2nd floor tenant space in a two story commercial building. The tenant has Interview, Polygraph, and Conference Rooms which require speech privacy. For these areas, Architect is specifying a minimum 56 STC...