IN THIS ISSUE: - Brutoco

JOB417Metro Orange LineExtensionby Andy ThompsonThe Metro Orange Line Extension is moving at full speed. With nearly 100 workers on site, work has commenced in everysegment of the four mile project.Grading and base paving for the bus way is complete in eight of the 10 segments and the bike path is following right behindit. Steiny, our electrical subcontractor, continues to install the electrical and communications duct bank, as well as the conduitand foundations for the bike path lighting.The Lassen Street Bridge was poured and stressed in June and the falsework has been modified to build the lightweightconcrete architectural features. Work has also started at the LA River and Santa Susana Creek Bridges. Anderson Drillinghas completed the CIDH piles and BEC structure crews are currently building the abutments. The girders for both bridgesare being constructed by Coreslab and are expected to arrive in early September.MSE wall construction has begun on approaches to the Lassen Bridge and is expected to finish in September. We have encountered somechallenges with these walls but are working with the Reinforced Earth Company and Cemex. The Type 5 retaining wall at the “Pinch Point”along the bus way is nearly complete. This wall is a result of value engineering that allowed us to replace 600 feet of two-sided MSE walls witha single cast-in-place retaining wall.Demolition and construction has begun in five of the seven city street crossings. This has proven to be the most difficult and time-consumingportion of the project to design. While the right-turn pocket work started in mid-May, the main portion of the crossing work is just gettingstarted. With the full-weekend closures still to come, this work is going to be a race to the finish.The Roscoe and Nordhoff Stations are well underway, with Sherman Way, Canoga and Chatsworth following closely behind. The stationplatforms consist of CIDH piles, grade beams, structural lower slabs, architectural upper slabs, structural steel canopies and hundreds ofelectrical and communication conduits. The structural steel canopies are being fabricated by JMA in Pomona and are scheduled to arrive at theRoscoe Station in early September.There is a lot of work to get done over the next seven months but with hard work, coordination and cooperation, there will be busses on theOrange Line Extension by Summer 2012.LA River Bridge piles.Lassen Bridge architectural feature.Roscoe Station North.Segment 7 bus way.Segment 9 MSE wall excavation.6 THE BRUT FORCE | 18th Edition | September 2011