Various Roof Replacements


6 months




Concentric was retained to undertake the roof replacement program on select substation roofs throughout the Ottawa region.

Approach & Methodology

Concentric was retained to complete an investigative assessment, which included a visual survey to confirm the existing conditions and to conduct invasive test openings on the nine (9) facilities. Upon completion of the work, Concentric prepared drawings and specifications for the roof replacements, based on the results of the field investigation program. Concentric provided site review and contract administration services during construction. The roof replacements were successfully completed. The following is a list of roof replacement projects completed:
 Barrhaven DS Station – 910 Greenbank Road
 Centrepointe DS Station – 97 Centrepointe Drive
 Clifton DS Station – 305 Clifton Road
 Clyde DS Station – 882 Campbell Avenue
 Hillcrest DS Station – 455 Hillcrest Avenue
 Parkwood Hills DS Station – 1349 Meadowland Drive
 Queens DS Station – 1695 Riverside Drive
 Stafford Rd DS Station – 188 Stafford Road West
 Woodroffe DS Station – 1627 Woodroffe Avenue

Key Challenges

Co-ordination of multiple contractors over nine (9) construction sites.

Key Personnel

Project Director: Allan Murray, P.Eng. 
Sr. Project Manager: Randy Scott


Assessment Construction Administration Design

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