PROJECT: 1

SR-405 Widening, Renton to Bellevue, King County, Washington State, USA

The project involved preparation of feasibility study, construction drawings and specifications for existing 4-lane divided facility to a 6-lane divided facility. Consultant provided services for traffic studies, topographic surveys, environmental impact assessment, pavement evaluation, condition assessment of existing bridges, preparation of feasibility report and engineering design; project planning and scheduling as well as construction supervision services.

PROJECT: 2

SR-18 Widening SR-167 to I-90, Auburn, Washington State, USA

The project consisted of strengthening and widening of existing 2-lanes in each direction to 3-lanes in each direction for the freeway. Consultant provided services for topographic surveys, pavement evaluation, condition assessment of existing bridges, preparation of feasibility report and detailed engineering design as well as construction supervision services.

PROJECT: 3

SR-5, Bridge No 516/E Widening, Tukwila, Washington State, USA

The project involved widening of existing 4-lane freeway to 8-lanes, including 195 ft bridge. Consultant provided services for condition assessment of existing bridge, topographic survey, earthquake analysis, final design, construction drawings and technical specifications.

PROJECT: 4

SR-5, Bridge No 516/E Widening, Tukwila, Washington State, USA

The project involved widening of existing 4-lane freeway to 8-lanes, including 195 ft bridge. Consultant provided services for condition assessment of existing bridge, topographic survey, earthquake analysis, final design, construction drawings and technical specifications. First Avenue South Bridge, North Approach E-ramp, USA The existing bridge at First Avenue crossing over green river was planned to be replaced by a new structure. Because of traffic demand a brand new interchange was developed to ease the traffic movement. The E-Ramp which is on the North approach of the New First Avenue Bridge was entrusted to consultant. Consultant provided services bridge type studies, foundation studies and feasibility reports final design, construction drawings, specifications and cost estimates.