This is to certify that the contract for the following improvement:
Re-roofing of Roof Areas A2, A3, A4, A5, A7, A8, A12, A13, A14, B1, B2, B3, C1, C6, C7, C9, D1, D2 and Ladder Replacement at York Mills Collegiate Institute
To the above premises was substantially performed on:
