C. William Hetzer, Inc.

Owner:

Maryland State Highway Department (MdSHA)

Scope Of Work

On October 18th, 2012, Hetzer was awarded SHA Contract WA416 for  replacement  Dual Bridges on I-70 over MD Rte. 63  Washington County.   began  November 2012.    included   replacement  concrete footings  substructure, as well as  steel  concrete superstructures for both  eastbound  westbound bridges.  While  existing bridges each had three piers  four spans,  new bridges each have only one pier  two spans.    was accomplished  four stages.  Stage 1 was for temporary I-70 roadway widening.  Stages 2  3 were for bridge reconstruction. Stage 4 was for final pavement  median drainage improvements.  Two interstate traffic lanes were maintained in both directions,  no temporary bridge or detours was employed.  Centerline shoring for support  excavation was accomplished using lagged H-pile  "Reinforced Earth" walls. Originally awarded at $11,850,570, change orders brought  final billing to about $12,680,180.  Some significant  quantities include:

1,340-LF  HP14x89 Pile for Bridge Foundations

2,340-CY  Structural Concrete

214-TONS Rebar

271-TONS Structural Steel

9,840-TONS Graded Aggregate Stone Base

24,500-TONS HMA Paving