Insights

Drainage Site Plan Updates Obsolete Sanitary Line

KPM Franklin’s work on the UCP of Central Florida Osceola K-12 School Campus in Kissimmee, Fla. is a prime example of how unexpected infrastructure challenges require a blend of technical expertise, regulatory navigation and creative problem-solving.

Because the UCP of Central Florida Osceola Campus sits within a designated FEMA 100-year floodplain, water management was our top design priority. Our engineers incorporated a strategic cut-and-fill approach into the site grading plan to meet compensating flood storage requirements mandated by local and state regulations. Soil excavated from where the on-site stormwater management pond is located was utilized to elevate the school building and parking lot locations above the established FEMA base flood elevation.

This approach maintains a balanced cut-and-fill ratio across the site, minimizes off-site material transport and preserves the natural hydrological characteristics of the floodplain.

While designing the drainage plan in the overall site layout, our engineers discovered a significant obstacle. Recent survey documents showed a 12-inch clay sanitary pipe running directly through the site where the building was planned to be constructed

Our drainage plan design replaced the aging clay sanitary pipe by strategically rerouting a new and more durable PVC sanitary pipe through a dedicated easement on the east side of the property. The modern PVC pipe is designed to last up to 100 years, which is a 2x longer lifespan.
Relocating the live sanitary line also presented another challenge. Construction crews could not turn off the line because it serves the surrounding neighborhood. Crews utilized a bypass pump system to ensure that service to adjacent residents remained uninterrupted while the new PVC line was being installed.

KPM Franklin has more than 30 years of hands-on civil engineering and geospatial & land surveying experience in the unique climate and topography of Central Florida. Our engineers bring unparalleled expertise to every site development project with our deep understanding of local soil, water, drainage and environmental conditions means you get more than just accurate upfront cost estimates. The UCP of Central Florida Osceola K-12 School Campus project highlights what our engineers do best – identifying and solving hidden issues early to provide a clear path for moving a project forward smoothly from concept to completion.

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