7.8102.6a
Hazardous material removal Health concerns in the removal and replacement of equipment (e.g., asbestos) will be identified
Upon the discovery of hazardous material, written notification and contact information for regional
EPA
EPA
U.S. Environmental Protection Agency, www.epa.gov
asbestos coordinator will be provided to appropriate people (e.g., occupant/property manager/building operations staff)
Property manager will be asked to contract with an
EPA
EPA
U.S. Environmental Protection Agency, www.epa.gov
-certified asbestos contractor to conduct abatement before decommissioning and replacement (property manager is responsible for abatement or remediation)
Remediate health hazards using
EPA
EPA
U.S. Environmental Protection Agency, www.epa.gov
-certified contractors
7.8102.6b
Decommissioning Decommission the applicable system components by completing the following in accordance with accepted industry procedures and practices:
Remove existing water heater and associated components Safely disconnect and secure any abandoned utility (fuel and electric) connections Safely disconnect and secure any abandoned waterlines as close to the main line as possible (avoid deadleg) Ensure the health and safety of the worker/occupant/building management/building operations staff
Preserve the integrity of the building and services
Remove old equipment in a timely and efficient manner
7.8102.6c
Water supply The volume and pressure of the water supplied will be sufficient to meet the needs of the water heater
The methods utilized to determine pipe sizes shall be approved by the authority having jurisdiction
Provide sufficient volume and pressure of water to the fixture
7.8102.6d
New equipment installation Point-of-use water heaters and associated components will be installed in accordance with local codes, accepted industry standards and practices, and manufacturer specifications
Where conflicts occur between the code and manufacturer installation instructions, the more restrictive provisions shall apply
Ensure the health and safety of the worker/occupant/building management/building operations staff
7.8102.6e
Temperature and pressure relief valve Correct temperature and pressure relief valve will be installed in accordance with manufacturer specifications
Equipment will be connected to properly sized discharge tube and run to a safe location no greater than 6" from the floor or as prescribed by local code (in the absence of local code, as prescribed by UPC)
Safely discharge excessive energy (pressure or temperature) from the water heater to a safe location
7.8102.6f
Dielectric unions (dielectric insulator) Dielectric unions (dielectric insulator), if needed, will be installed in accordance with manufacturer specifications
Minimize corrosion between dissimilar metals
7.8102.6g
Stray voltage protection Electrical connection to the water heating equipment should be made per manufacturer's instructions and per
NFPA
NFPA
National Fire Protection Association, www.nfpa.org
70
Break the stray voltage electrical circuit through the appliance
7.8102.6h
Pipe insulation All piping and fittings will be insulated with fixed insulation to
IECC
IECC
International Energy Conservation Code
2012 or
ASHRAE
ASHRAE
American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org
90.1-2010, at a minimum
Reduce loss of heat
7.8102.6i
Power supply Electric supply components will be installed in accordance with accepted industry standards and codes (
NFPA
NFPA
National Fire Protection Association, www.nfpa.org
70 for electric); breaker for the circuit on which the heater is installed will be checked for proper ampacity
Provide sufficient power to the water heating element
7.8102.6j
Discharge water temperature Discharge water temperature will be set not to exceed 120 °F or as prescribed by local code
Install mixing valve when higher storage/generation temperatures are required
Ensure water temperature is low enough to prevent scalding
Ensure water temperature is high enough to inhibit growth of pathogens (e.g., Legionella)
7.8102.6k
Commissioning of system The following will be checked once the system has been connected and filled:
Safety controls Operational controls Water leaks Cycle unit Local code requirements Manufacturer specifications and all relevant industry standards will be met in commissioning
Ensure the system functions safely and is designed with lowest possible cost of ownership
7.8102.6l
Education Completed work will be reviewed
Occupant/building operations staff/property manager will be educated on the safe and efficient operation and maintenance of the system, including:
Adjustment of water temperature Importance of keeping operating manuals accessible Educate occupant/building operations staff/property manager about the safe, efficient operation and maintenance of the system