122 Dorey Achieves LEED Certification

The first multiple occupancy industrial building to achieve LEED Certification.

Spring, 2014 – Dartmouth, NS –  The East Port Properties Dorey Avenue Warehouse is a multi-tenant warehouse facility located at 122 Dorey Avenue in Burnside Industrial Park, Dartmouth, Nova Scotia.

This Design-Build building is a 63,180 sq. ft. Tilt-Up Concrete building with a 24 ft. clear height. Sandwiched panel walls, underslab insulation, and an R-30 insulated roof contributes to an efficient building envelope. The primary heat is supplied by a natural gas fired in-floor heating system, with supplementary natural gas unit heaters adjacent to loading bay doors. Site cast and erected concrete construction allowed the building to be constructed with a large volume of locally available materials, and a high percentage of recycled content through the reduction of Portland cement in the concrete.

No Irrigation Required

The landscaping was designed to thrive in Nova Scotia’s climate. As a result, no irrigation is required to maintain the landscaping. Native and regionally adapted plants need less fertilizer, pesticides, and herbicides for maintenance, and no water other than what comes from the sky.

Innovative Wastewater Technologies and Water-saving fixtures

Water use is reduced through the use of high efficiency fixtures. Plumbing fixtures were selected to reduce the amount of water used in the building, including dual flush washrooms, and low-flow hand wash lavatories and showers.

Energy Use and Renewable Energy System

The two following significant design features help this building to be 46% more
efficient than the MNECB reference building:

• The primary heat is supplied by a natural gas fired in-floor heating system;
• Occupant sensors for lighting controls;
• Improved wall, roof, and curtain wall thermal properties;
• Extensive daylighting strategies including clerestory windows and skylights.

Recycled Materials Used in Construction

Using recycled materials into the building design reduces the environmental footprint from extracting/harvesting and processing virgin materials. Examples include structural steel and rebar that have a total recycled content (post consumer and post industrial) equal or close to 100%. Calculations for this credit reveal that the project achieved a recycled content percentage of 24.30%.

Regional Materials Used in Construction

Using materials extracted and manufactured regionally reduce the environmental impacts of transportation and support local resources. Examples include concrete materials from the local market; the farthest being located at 400km from the project site, at Belledune, New Brunswick. Calculations for this credit reveal that 48.41% of project materials and products are extracted and manufactured regionally.

Daylight 75% of Spaces

Advanced Glazing’s Solera® punched windows around the entire perimeter of the building, at 20 ft. high, provide up to 75% daylighting in the space. This is enhanced by the supplemental Solera® skylights to make up for losses caused by racking inside the warehouse.

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