The OBC requires that flat roofs do not allow rainwater to pond beyond a maximum depth 150 mm. Furthermore, the OBC demands that rainwater is drained within 24 hours. In order to maximize the benefits of rainwater capture, CVC sought exemptions from these restrictive clauses of the OBC. The City of Mississauga granted both of these exemptions, under a set of conditions. | The OBC requires that flat roofs do not allow rainwater to pond beyond a maximum depth 150 mm. Furthermore, the OBC demands that rainwater is drained within 24 hours. In order to maximize the benefits of rainwater capture, CVC sought exemptions from these restrictive clauses of the OBC. The City of Mississauga granted both of these exemptions, under a set of conditions. |