7.8104.7a
Health concerns in the removal and replacement of equipment (e.g., asbestos, other hazardous materials) will be identified
Written notification will be provided to occupants of the discovery of hazardous material, including contact information for regional
EPA
EPA
U.S. Environmental Protection Agency, www.epa.gov
asbestos coordinator
Occupant 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 (occupant is responsible for abatement or remediation)
Remediate health hazards using
EPA
EPA
U.S. Environmental Protection Agency, www.epa.gov
-certified contractors
7.8104.7b
SWS 7.8104.4 Pumps will be used
Electricity to the pump will be turned off
Water to recirculation pump will be shut off (using isolation valves if possible) and section of water line with the pump will be drained
Existing pump will be removed safely
Safely remove the existing pump
7.8104.7c
Decommissioned controls will be removed or labeled as abandoned
Allow the system to be maintained
7.8104.7d
SWS 7.8104.4 Pumps will be used, particularly the parts about isolation valves and drain/purge valve
Demand controlled pump will be installed in accordance with manufacturer specifications
Ensure safe and effective installation of the new pump
Allow for ease of maintenance
Allow for proper purging
7.8104.7e
Flow and temperature sensors will be installed in accordance with manufacturer specifications
When controls are using low voltage, the low voltage and line voltage wiring will be separated
Sensors, wiring, and other components will be installed in a manner that does not expose occupant/ building operations staff/property manager to hazardous conditions
Sensors, wiring, and other components will be installed in a manner that does not pose an unnecessary risk to the integrity of the installation
Allow for proper operation of the demand-controlled pump
Ensure long-term safety and durability of components
7.8104.7f
All trash and unused materials will be removed from work site daily
Protect the occupant from exposure to potential hazards
7.8104.7g
SWS 7.8104.4 Pumps will be used for commissioning
Signal from hot water return temperature sensor to control unit will be verified for accuracy
Signal from flow sensor to control unit will be verified for accuracy
Proper control response to sensor signals will be verified
Operator/owner manual will be updated or completed with site-specific data
Verify sensors and control function as designed
Allow for long-term maintenance or monitoring of system
7.8104.7h
Operator/owner manual will be provided
Site staff will be educated
Manual and education will include:
Purpose of control system How to identify expected control modes How to identify system or component failure modes Which failures to fix Which failures to have a plumber fix Which failures require a different specialist Contact information for controls installer/manufacturer Ensure safe, efficient, reliable, and long-term operation of demand-controlled pump
