7.8102.9a
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/building operations staff/property manager)
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
7.8102.9b
Decommissioning Decommission the applicable system components by completing the following in accordance with accepted industry procedures and practices:
Remove old water heater and associated components Seal any unused chimney openings Safely disconnect and secure any abandoned utility (fuel and electric) connections 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
7.8102.9c
Site security Work site will be secured to prevent unauthorized entry
Temporarily disconnected equipment will be locked up and tagged out
All trash and unused materials will be removed from work site daily
Protect the occupant from exposure to potential hazards
7.8102.9d
Equipment accessibility Storage tank will be installed and plumbed to allow for inspection, maintenance, and replacement of the tank and its components
Anode rod, when present, will be accessible for replacement
Ensure the storage tank can be easily maintained and replaced
7.8102.9e
Storage tank location Storage tank will be located to maximize efficient operation of the water heating system
Maximize operation of the water heating system
7.8102.9f
Storage tank installation Verify storage tank size will meet the building water requirements
A new storage tank and associated components will be installed in accordance with accepted industry standards and practices and manufacturer specifications
Storage tanks will be installed level, with seismic bracing (when needed) and in a manner to prevent rust and corrosion
Storage tank will be installed on a housekeeping pad
Storage tanks shall be placed in a location that does not obstruct building egress or access, as required by local codes adopted by the
AHJ
AHJ
Authority having jurisdiction
Ensure the health and safety of the worker/occupant/building management/building operations staff
7.8102.9g
Drain pan A drain pan will be installed in accordance with storage tank manufacturer specifications and the following criteria:
Connected to 3/4" drain line or larger to tapping on pan Run to drain, pump, or daylight Collect and safely dispose of water escaping from the storage tank
7.8102.9h
Temperature and pressure relief valve Correct temperature and pressure relief valve will be installed in accordance with manufacturer specifications
Storage tank 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 storage tank to a safe location
7.8102.9i
Dielectric unions (dielectric insulator) Dielectric unions (dielectric insulator), if needed, will be installed in accordance with manufacturer specifications
Minimize corrosion between dissimilar metals
7.8102.9j
Stray voltage protection Electrical connection to the water heating equipment should be made per manufacturer's instructions and per
NEC
NEC
National Electrical Code
(
NFPA
NFPA
National Fire Protection Association, www.nfpa.org
70)
Break the stray voltage electrical circuit through the appliance
7.8102.9k
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
Tanks will be insulated to a minimum of R-12.5
Reduce heat loss from the storage tank and pipe
7.8102.9l
Electric components Electric components will be installed to accepted industry standards and codes in accordance with
NEC
NEC
National Electrical Code
(
NFPA
NFPA
National Fire Protection Association, www.nfpa.org
70)
Provide electricity to the storage tank electric control components
7.8102.9m
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, etc.)
7.8102.9n
Gauges Temperature and pressure gauges on storage tank will be installed and visible
Provide information for safe and effective operation of water heating system
7.8102.9o
Valves Valves will be installed to isolate tank from water heating system and to allow for bypass in multiple tank systems
Allow for easy removal and maintenance of the tank
7.8102.9p
Commissioning of system The following will be checked once the system has been connected and filled:
Safety controls Operational controls Valves Water leaks Temperature set point Manufacturer specifications and all relevant industry standards will be met in commissioning
Ensure the system functions safely and is designed with the lowest possible cost of ownership
7.8102.9q
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 Proper use of isolation valves Need for inspection and replacement of anode rod Importance of keeping operating manuals accessible Educate the occupant/building operations staff/property manager about the safe, efficient operation and maintenance of the system