Head-lift Rig and Stud-tensioner Carousel Nuclear Services/Field Services

Nuclear Services/Field Services
Head-lift Rig and
Stud-tensioner Carousel
Background
Westinghouse offers a complete line of headlift rig and stud-tensioner carousel equipment.
Each plant’s equipment is reviewed to provide
the most cost-effective and efficient solutions
to the carousel needs. These solutions can
vary from and include: the adaptation of
existing equipment to carousels, the provision
of separate carousels and the provision of
new combination carousel/lifting rigs.
Stud tensioner carousel at Oyster Creek
Description
The Westinghouse upgrade program seeks to improve
outage times with some of the following features:
• Integrated tensioner pump platform
• Nut and stud cover racks
• NUREG-0612 design and test
• Reduced welds in the load path
• Utilization of existing equipment where possible
April 2009
NS-FS-0028
©2014 Westinghouse Electric Company LLC. All Rights Reserved
Benefits
The benefits produced by these features include:
• Time-saving single lift for nuts, tensioners and
reactor heads
• Space-saving storage on head during outage
• Improved safety with reduced rigging and cavity
entry
• Improved tensioning control
• Improved tensioning and detensioning times
• Minimal costs for upgrades
Carousel modification on head-lift rig at Pilgrim
Head-lift rig-stud tensioner carousel at Brunswick
Westinghouse Electric Company
PO Box 355
Pittsburgh, PA 15230
www.westinghousenuclear.com