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* Hourly historical rainfall data (minimum 20 years) are used to generate the rainfall intensity distribution curve.
* Hourly historical rainfall data (minimum 20 years) are used to generate the rainfall intensity distribution curve.
* Capacity to add historical rainfall record is provided in order to generate the relationship between hourly rainfall intensities vs average annual rainfall volume for the meteorologic station of choice.
* Capacity to add historical rainfall record is provided in order to generate the relationship between hourly rainfall intensities vs average annual rainfall volume for the meteorologic station of choice.
===Associated Documents Submitted with OGS Review Calculator===
Other documents typically submitted with the OGS Review Calculator would include:
* Signed Stormwater Management (SWM) Report, engineering drawings, and specifications by the design engineer (Professional Engineer in Ontario) on behalf of their respective clients/owners
* Applicable third-party testing and verification/certification statements and documentation supporting performance claims
* Manufacturer-provided letter/documentation confirming proposed and tested MTD model details (i.e., diameter, depth, treatment depth, max storage depth, sediment storage capacity, hydraulic capacity for bypass), and compliance with sizing and scaling provisions, as per the OGS Procedure scaling provisions
* Operations and Maintenance Manual indicating the inspection and maintenance frequencies, methods of maintenance, health and safety considerations and other relevant information.