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Solid Waste Disposal | Waste Management
Otter Lake Solid Waste Management Facility
  Purpose: Facility was designed to accept all solid waste generated by the Halifax Regional Municipality (HRM) that is not diverted to either of HRM’s two composting facilities or materials recovery facility. The goal of this facility is to ensure that the only material entering the landfill is stable, inert or residual in nature.

Time Line: Construction began July 17th, 1997
Construction Ended: June 30th, 1998
Acceptance Period*: July 1st, 1998 – December 31st, 1998
Operational: January 1st, 1999
Facility Life: 25 + years

* Acceptance period refers to the demonstration of the facility to be able to process the required tonage while meeting all required standards.

Location Approximately 3 Km off highway 103 near the north and west sides of Otter Lake


Buildings

Front End Processing Facility

Purpose: to separate Halifax Regional Municipality’s solid waste into an organic fraction for composting and a stable and inert fraction suitable for landfill while removing recyclable and other materials banned from landfill.

Garbage Received per day:
- 460 tonnes per day Design
- 1000 tonnes per day Peak Capacity
- 600-650 average

Size: 37,200 square feet with hardened concrete floor and push walls for loaders.

Employees: 65 sorters, 10 operators, two supervisors per week over 3 shifts per week (2 day shifts, 1 night shift), 4 maintenance staff.

 

Waste Stabilization Facility

Purpose: To biostabilize (compost) organic materials separated from waste stream in FEP.

Employees: 6 Laborers, 1 Lab Assistant, 2 operators over 2 day shifts.

Equipment: 3 Agitators, computer controlled composting conditions


Residual Disposal Facility

Purpose: Final disposal location for Halifax Regional Municipality’s solid waste after it has been rendered stable and inert.

Waste received: Estimated at 150,000 tonnes per year.

Employees: 4 laborers, 4 operators and one supervisor over 2 day shifts.

The Cell Liner is made up of 2 geomembrane liners (60 mil), combined with a leak detection layer, cushioning layers of rock to protect the geomembrane liners as well as 1 meter thick layer of clay between the geomembrane liners.

Each cell is “closed” by placing a third liner over the top of the completed cell and covered with a layer of clay, then soil and grassed over. Each cell will be monitored for 30 years after closure.

All discharges are extensively sampled, tested and reported to NSDOE.

 
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