SPECIAL FOCUS: CONSULTANTS’ FORUM
ance of building permits) the consulting engineer signs off on the construction of underground infrastructure, certifying that it is built per the municipality’s design and specification manuals. Sample language obtained from municipalities across Ontario includes:
MUNICIPALITY “B”: PRELIMINARY CERTIFICATE OF APPROVAL OF UNDERGROUND SERVICES
The sanitary sewer infrastructure must be fully installed as per approved plans such as to perform their basic function. All testing of the underground works must be completed with satisfactory testing of MUNICIPALITY “A”: the sanitary system being confirmed by MAINTENANCE PACKAGE the consulting engineer on the Certificate Following visual (i.e., above ground) Application. All leakage testing satisfactoinspection and approval by consultant rily completed. “…all sanitary sewer mains shall be and City staff from various departments, the consultant shall submit a Mainte- designed and installed in accordance with nance Package confirming that inspected accepted good engineering practices and items have been accepted by City staff. It with MOE guidelines for sanitary sewage should be sent along with a covering letter collection. They shall be constructed in that “certifies that all the works within the accordance with OPSS and OPSD.” Application for Preliminary Certifiparticular phase have been completed to cate of Approval of the Works: City Standards.” “I hereby certify that the construction of all public works was inspected in accordance with City specifications by an approved inspector under the direct super-
vision of a professional engineer and that sound and accepted engineering practices were observed throughout the construction. Signed and sealed by a professional engineer.” MUNICIPALITY “C”: PRELIMINARY ACCEPTANCE A letter is received from the developer’s engineer stating that “the works have been installed as per the approved plans and all tests have been completed.” A list of all tests performed is provided, and the engineer recommends the start of the maintenance period (performance acceptance). MUNICIPALITY “D”: FINAL ACCEPTANCE All work for the above-noted subdivisions “has been completed in accordance with Subdivision Agreement and final inspections have been carried out satisfactorily” for same. A sample letter from one consultant included the Professional Engi-
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56 | December 2017
Environmental Science & Engineering Magazine