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Who is Graymont?

An emerging global leader in the supply of lime and limestone products, Graymont serves major markets throughout the United States and Canada and has extended its reach into the Asia-Pacific region. Graymont also has a significant investment in Grupo Calidra, the largest lime producer in Mexico. Professionally managed and family-owned, the company has Canadian roots stretching back more than 65 years.

Wish to learn more about Graymont? Visit the corporate site.

The Heritage Project Team

The Heritage Project Team is a group of professionals dedicated first and foremost to making the project an accomplishment that meets both the community’s aspirations and the company’s needs.

The Team responsible for the Heritage Project at Graymont.

The Heritage Project Team: Erik Simard, Heritage Project Manager; Claudia Houde, Bedford Plant Director; Josée Pineault, Community relations and Environment Manager; Vincent Cloutier, Project Director and Manager, Health, Safety and Environment – Eastern Canada.

The Bedford Plant

In addition to producing lime from limestone extracted in the Bedford quarry, Graymont is also a supplier of specialized aggregates used in the production of asphalt shingles, fertilizers, animal feed and glass.

200 direct and indirect jobs

Continuous operations

15 % of regional GDP

The Process

For more information about lime and its production, please visit Graymont’s corporate website.

Annual Production

Lime420 000Tons/year

Uses

  • Environmental remediation
  • Essential ingredient in industrial products (e.g. steelmaking, pulp and paper)
  • Water treatment

Specialized aggregates160 000Tons/year

Uses

  • Agriculture (soil rehabilitation and plant fortification)
  • Glass-making
  • Gas-plant scrubbers
  • Animal feed

Black Slate
Foundation of the Heritage Project

To extract the limestone used to produce lime in Bedford, it is necessary to first remove large quantities of black slate overburden, amounting to approximately 1 million tons a year. Because of the low amounts of limestone contained in this overburden, it cannot be used in the lime production process and there are very few alternative uses for the slate.

It is from this inert, natural material that the new Regional Park and green space will be created.

History of the Bedford Plant

  • Installation of an automated system for Kiln 1

  • Installation of an automated water sprinkler system to control dust; Heritage Project agreements signed with the three local municipalities (County of Bedford, City of Bedford and Stanbridge Station)

    Renewal of the truck fleet (in progress)

  • Enactment of the Industrial Waste Reduction Program

  • The Bedford plant turns to natural gas for its daily operations; launch of the Maska Project and Mini-Heritage following the receipt of the necessary authorizations and permits

  • Initial design for the Heritage Project

  • Energy performance-optimization of the lime kilns

  • Construction of a new crushing plant at a cost of 14.5 million dollars

  • Construction of the 600-tons-per-day Kiln 2 at a cost of 18 million dollars

  • Construction of a new administrative office with an annexed garage for mobile equipment maintenance; progressive renewal of mobile equipment

  • Construction of a new 600-tons-per-day lime kiln at a cost of 23 million dollars; the quarry’s primary vocation is now limestone extraction for the production of lime

  • Graymont purchases the quarry from Produits Calcaires Bedford; the quarry employs 20 workers on a seasonal basis

  • Installation of a secondary Hazemag crusher

  • The quarry reaches a depth of 60 meters

  • The Déry brothers purchase the quarry

  • The quarry’s primary vocation during this period is the production of fine aggregates, such as construction stone and agricultural lime; carbide and soot production ceases

  • Gulf Canada purchases the quarry

  • British American Oil purchases the quarry

  • Construction of the stone-crushing plant (fine aggregates)

  • Installation of a new primary crusher

  • Closure of the #1 Quarry and opening of the #2 Quarry

  • First sales of agricultural lime, which previously had been discarded as waste; During World War II, the quarry operates 24 hours a day

  • Mechanical shovels and trucks are used for the first time

  • Shawinigan Chemical Ltd purchases the plant site from a Mr. Wilfrid Giroux

    Artisanal limestone extraction begins; the quarry’s primary vocation is carbide and soot production