Navajo Refinery

Artesia, New Mexico

Contracted out by Lauren Engineers and Constructors of Abilene Texas, Crane Service erected 13 units at the Navajo Refinery in Artesia.

Critical lift plans were required for lifts exceeding 350,000 lb for the gas oil hydro heater reinstall.

The primary lift crane for all vessels was a Manitowoc 2250 crawler.

For the first lift the 2250 was configured with 180 feet of #44 boom, HT tip, series II counterweights, and a 250 ton duplex hooked reeved with a ten part line.

For the remaining lifts the 2250 was assembled in Max-er configuration with 200 feet main #44/49A boom, 130 feet of #44 mast, 225,000 lb of trailing counterweight, and a thirteen part 250 ton duplex hook.

An American 9310 was used as a tail rig with 80 feet of 92 S boom, 135,000 lb of counterweights, and a ten part 250 ton duplex hook.