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-.". .., - ---- BRUCE RnVDAHL, P.E. _ . ___ ..fill ArcView and MOD FLOW Interface, Aurora, Colorado. Designed and developed a direct interface for the results of the USGS MODFLOW groundwater computer program and the ArcView GIS software package. The interface allows dirl~ct viewing and analysis of MODFLOW results and existing GIS data for a full geo-referenced comparison of pumping and groundwater impacts. Multiple stress periods can be shown sequentially fm an animated view of groundwater movements and pumping impacts. Flood Plain Administrator, Aurora, Colorado. Rt:sponsible for all floodplain revision submittals and approvals from FEMA for the City of Aurora. Duties included obtaining 404 permits from the USCOE for floodplain work and obtain all conditional and finalleUers of map revision from FEMA. West Tollgate Creek, Aurora, Colorado. Project Manager for floodplain delineation and floodway analysis for several reaches of West Tollgate Creek through the City of Aurora. The project included development of the HEC-2 hydraulil; model, numt:rous bridge and culvert crossings and coordination ofthe revised channels with existing floodplain studies. St. Vrain River, Longmont, Colorado. Project Engineer for the delineation of deven miles of the St Vrain River through the City of Longmont and Boulder County. The project included the development of the hydraulic model, analysis of numerous bridges and crossings, flow splits throughout the study reach and final delineation of the regulatory floodway for the Colorado Water Conservation Board. Horseshoe Park Channel Rehabilitation, Aurora, Colorado. Project Manager for a 2.1 million channel restoration and rehabilitation for the City of Aurora. This unique project included channel enlargement for flood conveyance and restoration of over fifty acres of urban wetlands as well as numerous utility crossings and a new bike trail system for the park. The design for the improvements was aided by an local citizens advisory group. The wetlands restoration was used as. mitigation for other City of Aurora flood control projl~cts. Sand Creek Channel Improvements, Aurora, ColOlrado. Project Engineer in a cooperative project with the Urban Drainage and Flood Control Distri<:t involving a soil-cement lining for the Sand Creek channel through the City of Aurora. The project had two unique pedestrian low-flow crossings as part of the design as well as construction under an Interstate bridge crossing. Little Dry Creek Channel Maintenance, Arapah(Jl,~ County, Colorado. PrOjl~ct Engineer for a. channel restoration project along Arapahoe Road for the Urban Drainage and Flood Control District The historic channel was rerouted away from a existing subdivision along Arapahoe Road in limited ROW. A unique design was developed to allow for a maintainable channel within the confines of the ROWand steep channel grade. City of Louisville Master Drainage Study, Louisville, Colorado. Project Engineer for the development of the hydrologic models for the master drainage plan for the City of Louisville. The project was done in cooperation with the Urban Drainage and Flood Control District using the CUHP hydrology model. The unique configuration of the basins in the area prompted a revision to the standard proceedures for CUHP. Slaughterhouse Gulch, Littleton, Colorado. Projf:ct Engineer for the preliminary design for a storm sewer and open channel design in an existing urbanized area in the downtown Littleton area The highly urbanized development and existing flooding problems poised a difficult design problem Extensive hydraulic modelling of the area was performed for both the existing flooding problems and the proposed storm sewer system. 1999 Flood Documentation Report HDR Engineer;ng, fnc tfl"~~ *[]~~~,\ 1~1.,~V.c~! ~~,,",pA/~/ ~(H'i:-Y