Abbreviations for Architects

ACCA-Air Conditioning Contractors of America AHRI-Air-conditioning, Heating, & Refrigeration InstituteASHRAE-American Society of Heating, Refrigerating and Air-Conditioning Engineers.ASTM-American Society for Testing and MaterialsANSI-American National Standards InstituteEER-Energy Efficiency Ratio SEER-Seasonal Energy Efficiency Ratio SMACNA-Sheet Metal and Air Conditioning Contractors National Association, INC. Relevant to New York CityAIRS-Affordable Independent Residence for SeniorsDEP-Department of Environmental ProtectionDOB-Department of BuildingsDOT-Department of …

RPZA/RPDA and Catastrophic Flood

RPZ's discharge a lot of water very quickly in case of failure, creating a flood situation. The failure is threatening and thus referred to as the catastrophic failure. That is the region the RPZ is preferred to be installed overground with gravity drainage. If  RPZ is to be installed under grade following precautions shall be …

Water Connection NYC

The sequence of devices in the NYC water connection as per DEP from outside to inside is below. On the street side, we have Curb Valve. A watertight sleeve connects the street side and the inside building sides. Inside the building, the sequence is OS&Y valve (Stem & Yoke Valve), split of line in case …