Above: Softeners with brine tanks
Top Right: Water pumps and controllers
Bottom Right: Water testing equipment
PROJECT: WATER TREATMENT
PLANT
LOCATION: Daylu Dena Council,
Lower Post, B.C.
OWNER: Interfor Forest
Products Ltd.
DESCRIPTION: Upgrade of
a nonfunctional, unused water treatment plant. The project involved
process design, replacement of all treatment equipment, construction
of a storage facility and a backwash disposal system, construction
supervision, commissioning, operator training and plant performance
monitoring (on-going). The 328 m3/d plant treats groundwater
and employs alternating, dual cation exchange softeners for iron
and hardness removal. UV disinfection is provided for inactivation
of parasites. Sodium hypochlorite is added for virus and bacteria
inactivation and to provide a disinfection residual. The plant
is highly automated to minimize operator input requirements.