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Kittsondale Tunnel (including Grace Street and Hamline Avenue) XP-SWMM and P8 Modeling

TKDA created models to assist City in evaluating their infrastructure

Due to surface flooding, the 1,840-acre Kittsondale tunnelshed needed to be evaluated and updated. TKDA performed XP-SWMM and P8 modeling to develop hydraulic grade lines within the tunnel and to identify surface flooding locations including the extent of the flooding.

With the XP-SWMM model TKDA was able to identify all locations of surface flooding and to define the hydraulic grade line in the tunnel. The XP-SWMM model also solved to show the difference between TP-40 and Atlas-14 rainfall depths. The goal of the P8 model was to define total suspended solid and total phosphorous loads to utilize in NPDES permit reporting.

Client
City of Saint Paul Public Works
Location
Saint Paul, Minnesota
Services Provided

XP-SWMM
P8 Modeling
GIS

Markets
Drainage & Permitting
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