The work of this project consists generally of: without limitation, approximately 23 linear feet of full concrete rectangular channel section replacement which includes two channel walls and the channel slab, approximately 10 linear feet of half concrete rectangular channel section retrofit which includes one channel wall and channel slab to connect to an existing concrete box culvert, dust alleviation and control, storm water pollution prevention and daily site clean-up, mobilization, traffic control and safety pavement markings, cofferdam and bypass system installation, dewatering, removal and replacement of chain link fence, sheeting/shoring, excavation, foundation monitoring, site restoration, tree removal, drainage improvements, all necessary testing, demobilization and all other associated work as noted in the project plans and specifications. Bid alternate A includes an additional 54 linear feet of half concrete rectangular channel section retrofit, associated chain link fence replacement, and additional drainage improvements. Bid alternate A+B includes an additional 91 linear feet of half concrete rectangular channel section retrofit, associated link fence replacement, and additional drainage improvements. Contract Documents fully describe the Work