FavoritePlease sign in to add this to your favorites. Topic: Hydronic Heating (Hot Water and Steam) Subtopic: Equipment Installation Desired Outcome: Increased efficiency of existing system Multifamily HomesPrintCopy to ExcelEmail TitleSpecification(s)Objective(s) 5.3102.35a Check for presence of asbestos-containing materials (ACMs) Potential ACMs will be handled in accordance with SWS 2.0110.2 Potential Asbestos-Containing Materials Ensure a safe work environment 5.3102.35b Assessment Field and site conditions will be verified to determine if scope of work is applicableIt will be determined if higher efficiency system and optimal control strategy are possibleContractor will verify capacity of domestic hot water ( DHW DHW Domestic hot water ) and system choice Ensure optimal system is applied 5.3102.35c Decommissioning Existing stand-alone DHW DHW Domestic hot water components, as identified by the scope of work, will be removed and disposed of in accordance with local codes and laws Ensure safe removal and disposal of orphaned equipment Orphaned equipment Condition when one smaller combustion appliance exists after being commonly vented with a larger appliance. What remains is a larger exhaust flue or chimney than is necessary for the remaining smaller appliance 5.3102.35d Add indirect domestic hot water heater Heating water system will be cleaned and flushedStrainer will be installed on boiler water supply side of heat exchanger in accordance with manufacturer specificationsEquipment will be installed in accordance with manufacturer specifications and will include:New indirect tank or heat exchanger and storage tankPumpsControlsExpansion tankFlow controlsInsulationEquipment will be installed on concrete pads as required; for applicable climates, freeze protection will be incorporated into the system using a glycol loop separated by heat exchanger or a drainback system Ensure water system is cleanProperly install system 5.3102.35e Testing DHW DHW Domestic hot water production, distribution system, and delivery temperature will be tested for proper and safe operationWater flow through the boiler, pressure, control sequences, operating amperage, and voltage shall be measured in accordance with ANSI ANSI American National Standards Institute, www.ansi.org / ACCA ACCA Air Conditioning Contractors of America, www.acca.org Standard 5 or ANSI ANSI American National Standards Institute, www.ansi.org / ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org Standard 111 and adjusted to meet design requirementsContractor will confirm performance to manufacturer specificationsContractor will confirm intent of control strategy:Winter and summer modes/ operation DHW DHW Domestic hot water priorityLead-lag/sequencingModulation Ensure system operates safely and efficiently 5.3102.35f Education Property manager will be educated on proper operation and maintenance Maintain optimal performance Previous Detail Next Detail Back to 5.3102 Equipment Installation Back to Top