7.8103.5 Water Softening/Conditioning

Topic: 
Water Heating
Subtopic: 
Maintenance/Inspection
Desired Outcome: 
Water softened/conditioned to a range that meets the needs of the occupant/building management/building operations staff without damaging the water system
For supporting material, see Referenced Standards.
TitleSpecification(s)Objective(s)
7.8103.5a
Test water quality

Major water parameters (e.g., pH, iron, sodium, manganese) will be measured and compared to state and national standards, such as American Water Works Association

Determine water quality to choose appropriate treatment system

7.8103.5b
Location

Water softeners/conditioners will be installed in the cold water supply of water heater

Ensure longevity of the system

Ensure sodium content in drinking water is not increased

7.8103.5c
Selection and installation

A water treatment system capable of remedying identified water quality issue will be installed

Drinking water treatment units shall comply with local water standards and requirements

Water softened/conditioned to a range that meets the needs of the occupant/building management/building operations staff without damaging the water system

7.8103.5d
Valves

Isolation valves and bypass piping will be installed on water treatment systems

Water treatment system can be isolated for maintenance or bypass

7.8103.5e
Stray voltage protection

Electrical connection to the water 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

7.8103.5f
Storage of salt

Salts for treating the system will be stored in a cool and dry environment and away metal solids

Prevent corrosion

7.8103.5g
Commissioning

Treatment levels (e.g., 60-120 parts per million calcium carbonate) will be set in accordance with the National Association of Corrosion Engineers (NACE TPC 7)

System will be checked for leaks

System will be purged

Ensure proper function of water treatment system

Ensure water does not damage pipes or tanks due to overtreatment

7.8103.5h
Commissioning

An operation manual and educational materials from NACE will be provided to property manager

Educate occupant/ building operations staff/property manager about the safe, efficient operation and maintenance of the system