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- RON ENSERRO, P.E. __1II..._____. 11...1 walkway. This walkway is fixed at the landside end, pinned in the center, and sits on steel wheels on a floating dock. American Red Cross Headquarters Building, Omaha, Nebraslka. Served as design engineer ti)r the structural design of a two-story, 30,000 square foot headquarters building. Patton Junior High School Remodel and Addition" Fort Leavenworth, KanSllS. Served as design engineer for design of an auditorium roof 90 feet by 40 feet. Was designed using steel joists, supported by steel beams and columns. Foundation plan for new footings and details for strengthening existing wall and foundations to support new roofIoads was compl,~ted. Omaha Public Power District (OPPD), TranSI)ortation Maintenance Facility, Irvingtoll, Nebraska. Structural design for final design plans for a l3,800-square foot OPPD maintenance facility. This facility includes a 40-foot ceiling, structural frame, masonry base, metal panel walls, three drive-through bays, maintenance bays, and overhead doors. U.S. Highway 7S Bypass Bridges, Sioux City, Iowa. Design of three grade separations, which include five different road grade separation bridges: · Design of twin structures, 183 foot by 43 foot tIm~e-span pretensioned prestressed concrete beam bridges, U.S. 75 over 28th Street with a 21 degree 41 feet 23 inch skew. The bridge decks are on a 2 degree horizontal curve in full superelevation. · Design of twin structures, 144 foot by 43 foot three-span preten~ioned, prestressed concrete beam bridges, U.S. 75 over Stone Avenue with a 5 degree 30 foot skew. The bridge decks are on a zero degree 20 foot horizontal with no superelevation. · Design of 223 foot by 33 foot two-span pretensioned prestressed concrete beam bridge, U.S. 75 under Correctionville Road with an II degree 30 foot skew. U.S. 75 is on a horizontal spiral and in superelevation transition. Valley View Drive, Railroad Bridge Extensiion, Council Bluffs, Iowa. Design of a two-spall extension to an existing weathering steel-girdf:r railroad bridge to accommodate the alignment of a four-lane street facility for Valley View Drivf, in Council Bluffs. The bridge has a fully ballasted deck supported by precast concrete deck pan<:1s. The bridge extension is 154 feet, 7.5 inches in length and consists of two simply supported spans, one 107 feet, 4 inches and one 45 feet. McPherson Avenue over Mosquito Creek, Council Bluffs, Iowa. Design of 298-foot by 34-foot three-span pretensioned prestressed concrete beam bridge over Mosquito Creek with a 40 degree skew. Mosquito Creek was previously hydraulically mapped andl had an existing flood insurance study in place. A HEC-2 computer analysis was required to model the new bridge. Project included abutments, T-piers (hammerhead) on pile footings, approach grading and paving. Project funded with federal bridge replacement funds. 2nd Avenue Bridge over Indian Creek Replal:ement, Council Bluffs, Iowa. Served as construction observer for a 55-foot by 39-foot 3 inches prestressed, concrete beam replacement bridge over paved Indian Creek channel. Project included utiJity relocation and coordination, approach paving, and sidewalk on one side of bridge. Project fundf:d with federal bridge replacement funds. Omaha Parks Department. Served as project engineer and construction manager for numerous projects throughout Omaha. Projects included pedestrian bridges over FEMA floodways and other 1999 Flood Documental'ion Report HDR Engineering, Inc. /6fco0. $r::~~~ ~~1~~~';