Certificate of Completion

Durham Region

Duffin Creek WPCP, 901 Mackay Road, Pickering, Ontario L1W 3A3

Duffin Creek WPCP, 901 Mackay Road, Pickering, Ontario L1W 3A3

Contract No. T08-04 - Digester Modifications and Boiler Building, Duffin Creek WPCP Stage 3 Solids Process Expansion, for works associated with: New Boiler Building; New Waste Gas Burner Building; Sludge Receiving Station Modifications; Digester Complex #1 Modifications including Biofilter Structure; and Sludge Blending Tank #2 Modifications

Date substantially performed:

2010-07-30

Date certificate signed:

2010-08-05

Name of Owner

The Regional Municipality of York

Address of Owner

Environmental Services Department, 17250 Yonge Street, 1st F

Name of Contractor

Graham Construction and Engineering, a JV

Address of Contractor

6108 Edwards Blvd., Mississauga, ON L5T 2V7

Name of Certifier

CH2M HILL Canada Limited William Darling

Address of Certifier

255 Consumers Road, Toronto, ON M2J 5B6

Blocks A, B, Unnamed Lane Block D & Unnamed Lane on Registered Plan 422 and Lots 12 - 22, Block A Sandra Drive, Unnamed Road south of Ingrid Road, Unnamed Lane west of Sandra Drive & Unnamed Lane east of Unnamed Road on Registered Plan 440 being Parts 1 - 10 on 40R-24978; Lots 14 - 18, 46 - 60 & Block C, Registered Plan 406, Lakeview Drive (also known as Jodrel Road) on Registered Plans 406 and 422, Lots 1 34, Maple Drive and Beachview Drive on Registered Plan 422 and Lots 1 - 11, Susan Drive, Ingrid Road and 1' Reserve on Registered Plan 440 being Parts 1 - 10 on 40R-24977; Part of Lot 17, Ranges 2 and 3, Part of the Road allowance Between Lots 16 and 17, Range 3 (as stopped up and closed by ByLaw 372/76 Inst. D43574), All of the road Allowance between Lots 16 and 17, Range 2 (as stopped up and closed by ByLaw 371/76 Inst. D43573), Part of the Road Allowance between Ranges 2 and 3 (as stopped up and closed by By-Law 3593-90 Inst. D356522 and By-Law 372/76 Instr. D43574) Broken Front Concession being Parts 1 - 5 on 40R-24975; Part of Lots 15 and 16, Range 3, Part of Lot 16, Range 2, Part of the Road Allowance between Ranges 2 and 3, Portions stopped up and closed by By-Law 371/76 Inst. D43573, Broken Front Concession being Parts 1 - 3 on 40R-24976, all in the City of Pickering (formerly Township of Pickering) in the Regional Municipality of Durham