Located in Lantzville (BC), Aspengrove School is a private K-12 school, including a pre-school daycare centre. The school is constructing an athletic centre and as the architectural drawing provided by the client show, it will be located within the school lot and will have toilets and showers.

MSR
Solutions Inc. is working with the Aspengrove School to review the capacity of
the school’s wastewater treatment and disposal systems and provide solutions to
accommodate wastewater load from the proposed development. The proposed gym
will have eight showers; however, showers are the main potential contributing
factor to wastewater flow.

The
existing on-site wastewater treatment system at the school was originally
designed to accommodate a Daily Design Flow (DDF) of 5,660 Lpd (1,245 Impgd) in
2008 and was upgraded to accommodate a DDF of 22,700 Lpd (5,000 Impgd) in 2010.
The existing treatment system will include: one NPS CA20; and six Ecoflo units
(6-650B units with peat filtration).

The
Sewerage System Regulation (SSR) govern regulations for the existing system.
The SSR applies to onsite wastewater treatment systems, including those for
houses, schools, small businesses, and similar small community systems.

Scope of Work

The
below works are required to be conducted to provide sewer servicing for the
Athletic Centre and to keep the DDF under 22,700 Lpd (5,000 Impgd):

  • Installation
    of low flow showers is a must
  • Installation
    of a timers system for the showers is strongly recommended
  • Installation
    of an equalization tank as a balancing storage
  • Installation
    of an effluent filter
  • Installation
    of a new lift station to provide timed dosing to the existing treatment
    system
  • Installation
    of a UV unit
  • Monitoring
    works for the existing fields

The proposed improvement was filed with Island Health (VIHA) under BC SSR. At time of writing the project was in the permitting process.

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