Western Edition
Published Nationally ยฎ July 8 2018 Vol. IX โข No. 14
โThe Nationโs Best Read Construction Newspaperโฆ Founded 1957.โ 470 Maryland Drive โข Ft. Washington, PA 19034 โข 215-885-2900 โข Toll Free 800-523-2200 โข www.constructionequipmentguide.com
Inside
Smaller HDD Rod Size Makes All the Differenceโฆ8
Remembering the Acco Super Dozerโฆ16
Work Sales Along on $1.47B Port Bridge Projectโฆ19
Table of Contents ............4
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Kiewit Leads Phase II of Oroville Dam Spillway Repairs By Chuck Harvey CEG CORRESPONDENT
California Department of Water (DWR) officials report that the second phase of construction work on the Oroville Dam spillways began on May 8. The second phase will constitute the bulk of work on the lakeโs spillways. Construction is expected to conclude by the end of 2019. As part of the second phase, general contractor Kiewit Corp. of Omaha will demolish more than 730 ft. of the main spillwayโs upper chute and rebuild it with steel-reinforced structural concrete; place 3 ft. of steel-reinforced structural concrete over roller-compacted concrete at the middle chute; remove roller-compacted concrete walls in the middle chute and replace them with structural concrete; hydroblast and resurface energy dissipaters and provide new drainage systems. At the emergency spillway, crews will remove the emergency embankment of stone, or rip rap, that was put in place February 2017 โ pending approval from the Federal Energy Regulatory Commission and California Division of Safety of Dams. They also will finish work on a concrete cap at the underground secant pile wall; continue work on see OROVILLE page 20
California Department of Water Resources photo
DWR is developing a comprehensive needs assessment in coordination with the Federal Energy Regulatory Commission, the California Division of Safety of Dams, the United States Army Corps of Engineers and experts from the industry.
Wheel Loaders, Tool Carriers & Attachments Section.......................37-52
Ariz. Preps to Open New Copper Mine
Paving Section...........57-67
By Giles Lambertson
California Section......19-27
CEG CORRESPONDENT
Auction Section.........70-79 Business Calendar..........72 Advertisers Index ..........78
In the fall of 2017, the state issued an operating permit for what will be Arizonaโs first new copper mine in more than a decade.
Mining is part of Arizonaโs economic and cultural heritage dating back hundreds of years to when Native Americans plinked for turquoise and coal. Spanish explorers invaded the region in
the 1600s looking for silver and gold to carry back across the Atlantic. Today, more than 300 operating mines plumb the Arizona desert landscape, most of them quarrying sand and crushed rock for industrial and commercial use โ a $450 milsee COPPER page 36