| 5.3102.34a
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 |
| 5.3102.34b
Assessment | System schematics, manufacturer specifications, and physical locations will be reviewed to identify proper and serviceable locations Boiler manufacturer specifications will be reviewed for need of buffer tank; if required, buffer tank will be sized and installed in accordance with SWS 5.3188.2 Adding Mass to Low Mass Boiler - Existing or New | Ensure proper placement of
DHW
DHW
Domestic hot water
heater and system components |
| 5.3102.34c
Installation of heater and piping components |
DHW
DHW
Domestic hot water
heater will be installed in accordance with SWS 5.3102.1 Replacement with Hot Water Boiler and SWS 5.3102.19 Replacement of Steam Boiler Thermometers, pressure gauges, steam trap(s) where applicable, and isolation valves will be installed in accordance with applicable standard work specifications: SWS 5. 3102.31 Installation of Thermometers (Includes Hot Water), SWS 5.3102.21 Steam Boiler Pressure Operating Controls (Steam), SWS 5.3103.6 Two Pipe Steam Systems - Steam Traps, SWS 5.3103.7 Installation of Individual and Rendundant Pumps Pumps and/or zone valves required for integration into distribution system will be installed in accordance with Pump and Zone Valve standard work specifications , sections 5.3104.6 and 5.3102.16) | Properly install heater, piping, and control components |
| 5.3102.34d
Installation of controls | Pumps/zone valves, sensors/aquastats, and regulating valves will be connected to district steam piping, boiler/boiler sequencing controls in accordance with installation requirements;
DHW
DHW
Domestic hot water
prioritization will be verified, if applicable | Ensure generation of heat and domestic hot water with domestic hot water prioritization if it is applicable |
| 5.3102.34e
Testing | Contractor will check for internal leaks before putting into service Water flow through the heat exchanger, pressure, 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 requirements
DHW
DHW
Domestic hot water
production, distribution system, and delivery temperature will be tested for proper and safe operation | Ensure system operates safely and efficiently |
| 5.3102.34f
Optimization | Control set points will be reviewed for minimum safe boiler operation to provide
DHW
DHW
Domestic hot water
| Optimize boiler efficiency |
| 5.3102.34g
Insulate modified system components | All devices requiring service will be insulated with removable and reusable insulation to
IECC
IECC
International Energy Conservation Code
and
ASHRAE
ASHRAE
American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org
90.1, at a minimum All piping and fittings will be insulated with fixed insulation to
IECC
IECC
International Energy Conservation Code
and
ASHRAE
ASHRAE
American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org
90.1, at a minimum | Reduce energy loss Maintain safe surface temperature |
| 5.3102.34h
Education | Property manager will be educated in proper operation and maintenance of heat exchanger | Maintain optimal performance |