The Miller Group

Project Experience – Bloomington Outdoor Windrow Compost Facility

Project Name:Bloomington Outdoor Windrow Compost Facility
Location:Richmond Hill, ON
Client Name:York Region
Completion Date:1990
Cost:$1 million
Project Description:

The Bloomington Compost Facility, located on Bloomington Road in Richmond Hill, Ontario, has been in operation since 1990. This facility was originally developed as one of the first open windrow composting facilities in Ontario for the diversion of leaf and yard waste materials generated throughout York Region. This facility is owned and operated by Miller Waste Systems and is now licensed to provide up to 50,000 tonnes per year of composting capacity for wood wastes, leaf and yard waste, source separated organics, liquid wastes and biosolids generated throughout Ontario. The majority of the material received and composted is leaf and yard waste. The facility uses Outdoor Windrow Composting techniques. Incoming material is inspected, ground and mixed with leaf and yard waste before being placed in windrows. Moisture content is monitored and adjusted, the windrows are turned weekly for maximum breakdown and to ensure all materials meet pathogen kill requirements.. Materials brought from Curbside Municipal Leaf and Yard Waste Programs. Additional material is also accepted from IC&I customers. The odour control system at the Bloomington facility consists of several measures that are enacted concurrently for maximum odour prevention. Principally there is an odour control additive which is added to the moisture control system which is added daily or as required on an ongoing basis throughout the entire process. Secondarily there is an odour suppressant which is added once per compost process to help minimize potential odours. Thirdly, there are several odour mitigating activities which include frequent aeration and prompt processing of incoming material. Miller supplies both the retail and wholesale markets with end products that include a wide variety of soil enhancing, compost materials. Screening equipment separates finished compost from oversized wood and plastic residue. An air separation system is used to separate film plastic contaminants to minimize amount of material that goes to landfill. Residue is always much less than 5% of incoming materials and is shipped in enclosed refuse bins to Miller’s waste transfer facility where it is then packed into transfer trailers and shipped to landfill. The Bloomington Facility Operates under a Municipal, Leaf and Yard Waste, SSO, - Design, Build, Own, Operate contract. It is located in a rural area with the closest residential neighbours are less than 500m from the site.

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