A Master Storm Water Management Plan for the entire development which governs the overall storm water management of the development shall be submitted to and approved by the City of West Des Moines as part of the first plat or site plan approval, whichever occurs first. Specific Storm Water Management Plans demonstrating compliance with the approved South Branch Business Park Master Storm Water Management Plan, on file with the City will be required with the development of each site plan. The Storm Water Management Plans shall be prepared at the developer’s expense, by a Professional Engineer licensed in the State of Iowa. All Storm Water Management Plans shall comply with the City’s applicable design standards for storm water management existing at the time each site plan is approved. A Storm Water Management Facility Maintenance Agreement (SWMFMA) shall be provided prior to issuance of the first occupancy permit, including temporary occupancy. Certifications and as-built information shall be provided prior to issuance of the first Final Occupancy Permit. If deemed necessary by the City, an update to the SWMFMA and additional certifications and as-built information will be required prior to issuance of subsequent Final Occupancy permits. (Ord. 2471, 5-17-2021)