| 5.3102.10a
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 |
| 5.3102.10b
Assessment | Field and site conditions will be verified to determine if scope of work is applicable Space heating, domestic hot water (
DHW
DHW
Domestic hot water
) loads, and capacity of new equipment will be verified by a contractor | Ensure optimal system is applied |
| 5.3102.10c
Decommissioning | Existing heating and
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 regulations | 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
|
| 5.3102.10d
Install combined system | Heating water system will be cleaned and flushed Strainers will be installed on boiler water supply side of indirect tank/heat exchanger and on inlet side of heating pump in accordance with manufacturer specifications Equipment will be installed 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 per scope of work and manufacturer specifications, and will include: - Boilers
- New indirect tank or heat exchangers and storage tanks
- Pumps
- Controls
- Expansion tanks
- Flow controls
- Insulation
| Ensure water system is clean Properly install system Ensure worker safety |
| 5.3102.10e
Testing | System will be leak free Space heating and
DHW
DHW
Domestic hot water
system will be tested for proper and safe operation Performance will be in accordance with manufacturer specifications and confirmed by a contractor Water flow through the boiler, 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 The following control strategies will be confirmed by a contractor: - Winter and summer modes/ operation
-
DHW
DHW
Domestic hot water
priority
- Lead-lag/sequencing
- Modulation
- Indoor space temperature control
- Outdoor reset control
| Ensure system operates safely and efficiently |
| 5.3102.10f
Education | Property manager will be educated on proper operation and maintenance | Maintain optimal performance |
