Caterpillar Tinaja Hills Drainage Realignment

This project was to bring the existing private property site drainage way up to regulation standards.  The scope included replacing existing drainage channel with the larger concrete-lined channel, relocating the existing haul road, adding two new culvert crossings of 6 EA 72″ CMP culverts, constructing a new concrete inlet structure, new riprap outflow, and re-pave existing asphalt access road.  This project was to be delivered in an abbreviated schedule window with an accelerated start date.  Challenges included rock excavation, maintaining the ongoing owner heavy equipment haul roads and traffic, and maintaining a tight schedule.  The final contract amount for this project was $1,499,776.

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PROJECT OVERVIEW

LOCATION: GREEN VALLEY, ARIZONA

TYPE: MINING

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