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Turnaround Efficiency: Lift, Lower and Slide

A major process unit turnaround (TAR) project for a petrochemical plant in the Southwest required some well-planned logistics, over 1,200 craftworkers (at peak) and a comprehensive fleet of cranes, trucks and customized skid (Jack & Slide) systems.

Prior to mobilization, Deep South custom engineered lift plans for changing out the plant’s propylene compressor and replacing it with a newer, more efficient 127-ton compressor, 45-ton turbine and 142-ton exchanger. Once the lift plans were finalized and approved, Deep South mobilized the TAR with ten crawler and hydraulic truck cranes.

Crews used jack and slide techniques to remove and replace several pieces of equipment. The first was to remove and replace a 12’ diameter, 100-ton condenser in a very limited space. To facilitate the move, the Deep South team engineered and fabricated custom shelf lugs for use when raising the condenser. The second jack and slide operation involved moving a 42’-long, 90-ton exchanger from underneath a structure.

The new 127-ton compressor was lifted into place with a 660-ton Terex-Demag CC-2800-1 crane. A 275-Ton Demag CC-1400 crane was used to lift the turbine. Another major lift was the 142-ton exchanger that required a tandem lift utilizing an 800-ton Demag AC-700 and a 500-ton Liebherr LTM 1400-7.1 in a very congested area.

The Deep South team was also tasked with transporting old (compressor, turbine and exchanger) and new equipment across a state highway to and from the client’s lay down yard with 12-line SPMTs.

Deep South worked the entire TAR project without incident and injury free.

Propylene Compressor Replacement

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About Deep South: Deep South Crane & Rigging is a leading provider of heavy lift and transport solutions in the refining, chemical, and energy sectors and strives to provide its customers the best tools to complete the task at hand and is home of the VersaCrane fleet. The firm offers a complete range of services, from bare crane rental to turn-key heavy lift and transport solutions to clients in North and South America. It operates out of 7 locations including Baton Rouge, LA; Sulphur, LA; New Orleans, LA; Dequincy, LA; Beaumont, TX; Houston, TX; and Catlettsburg, KY. Sister company DS Americas operates out of Bogota, Colombia. Recent recognition includes 2018 Houston Business Roundtable (HBR) Best of the Best Safety Excellence Award, 2019 Mentor Award, and 2020 Finalist; 2018 Industrial Safety Training Council (ISTC) Safety Achievement Award; 2018 and 2020 Greater Baton Rouge Industry Alliance (GBRIA) Contractor Safety Excellence Award, Crane & Rigging; 2019 Greater Baton Rouge Industry Alliance (GBRIA) Workforce Development Best of Division OneAward; 2018 and 2019 Specialized Carriers and Rigging Association (SCRA) Safety Award; and 2018, 2019 and 2020 Louisiana Worker's Compensation Corporation (LWCC) Safest 70)


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