1955
First RPV stud tensioner supplied for the Shippingport reactor
Biach then begins providing stud tensioning systems to GE, Westinghouse and Combustion Engineering for the emerging commercial nuclear industry.
1967
Biach supplies Control Rod cut off tool to Allis Chalmers
1975
Commonwealth Edison’s LaSalle site becomes the first application of Biach’s Quick Disconnect (QD) tensioner design.
1976
General Electric contracts with Biach for QD tensioners for its entire BWR-6 plant program.
1977
Biach engineers assist GE with hydro testing vessels in Rotterdam
1978
Westinghouse issues contract to Biach for design assistance and manufacture of its QA (quick acting) tensioner design.
1979
Biach designs 50% tensioning system for ICI flanges at the Calvert Cliffs plant.
Biach engineers perform load verification testing on drywell studs at the Leibstadt plant in Switzerland.
1980
Duke Power purchases first Biach Stud Drive Tool for removing RPV studs at its McGuire plant.
The Nine Mile Point unit 1 plant converts to Biach’s QD tensioner design.
Biach designs special stud tensioning system for anchoring Torus supports at the Fitzpatrick plant.
PF Avery purchases a custom tensioning system for reactor internals bolting.
Byron Jackson contracts Biach to develop a special “push-pull” hydraulic coupling tool for reactor coolant pump shafts.
1982
Biach designs special RCP shaft rotation tool for FP&L’s St. Lucie site.
1985
Salem plant converts to Biach’s QD design.
1986
Indian Point 2 unit converts to Biach’s QD design.
Millstone I unit converts to Biach’s QD design.
1990
The Millstone II plant and the Pilgrim plant both convert to Biach’s QD tensioner design.
1991
At the ANS Conference in Washington, DC, Biach introduces an early concept of totally remote tensioning in its RSMR design
1993
Biach develops its QD-H tensioner, EPN pump and SEMS (stud elongation measurement system). St. Lucie becomes first user.
1994
TVA’s Browns Ferry plant purchases Biach’s QD-H tensioners, EPN pump, Stud Drive Tool, SEMS and Nut Rack
1995
PSE&G’s Hope Creek plant purchases Biach’s EPN pump and heavy duty Nut Rack
Biach and GE partner to provide ComEd’s Dresden site with Biach’s QD-H system, EPN pump and SEMS unit.
1997
Biach and GE partner to provide ComEd’s Quad Cities site with Biach’s QD-H system, EPN pump and SEMS unit.
1998
New York Power Authority’s Fitzpatrick plant purchases Biach’s QD-H tensioners with Hoist and Tractor Control Handles, EPN pump, Stud Drive Tool, SEMS and Nut Rack.
Taiwan Power builds the Linkuo Training Center and orders additional QD and QA tensioners, EPN pump and SEMS from Biach.
Pacific Gas & Electric’s Diablo Canyon site retrofits existing tensioners to the QD-H design and orders Biach’s EPNand SEMS
1999
Texas Utility’s Comanche Peak plant orders Biach’s new Electric Stud Drive Tool (ESDT)
2000
TVA’s Sequoyah and Watts Bar sites purchase Biach’s ESDT
Korea Electric’s KO-RI site orders Biach’s EPN
So. California Edison’s San Onofre plant buys ESDTs, EPN pump and SEMS unit
2001
Exelon ’s (ComED) Byron plant purchases ESDTs to share with Braidwood site.
2002
So. California Edison’s San Onofre plant converts tensioners to QD-H.
NEK Krsko plant ( Slovenia) purchases new QD-H tensioner, EPN and SEMS package.
Beaver Valley adds Biach’s ESDTs for stud removal and installation.
Dominion orders Biach’s EPN and new tensioner housings (QD-H design) for its Surry and No. Anna sites.
2003
ANGRA plant ( Brazil) orders Biach’s EPN, test blocks and spare RPV stud tensioner.
Exelon orders QD-H tensioners, to be shared between the Braidwood and Byron sites, with built-in elongation monitoring system, new communication boxes, Hoist and Tractor Control Handles, LSA containers and customized Operator Training Package.
Florida Power & Light purchases ESDTs for its Seabrook and St. Lucie sites.
So. Cal. Edison adds Biach EMS (elonga. monitoring system) to QD-H tens. at SONGS.
2004
Constellation Nuclear orders new QD-H tensioners with EMS and EPN for its Calvert Cliffs site.
Dominion orders 2 ESDTs for No. Anna & Surry.
St. Lucie orders a 2nd EPN and new style console.
FP&L orders QD-H tensioners, EPN pump and storage containers for its Turkey Point plant
2005
Millstone purchases Biach’s ESDTs
Cooper plant upgrades tensioners and adds EPN
Comanche Peak converts to gear rotation design for nut turning, adds LCD style communication system and EMS feature.
2006
Point Beach plant orders Biach QD-H tensioners, EPN and ESDTs
Duane Arnold plant purchases Biach Nut Rack,
QD-H tensioners and EPN pump
Columbia and Perry plants upgrade their tensioners and purchase EPN pumps
Callaway site upgrades its RPV stud tensioners with Biach’s LCD communication system, electronic limit switches and conversion to hydraulic piston return.
Biach introduces the SCT – self contained tensioner as the next generation stud tensioner
2007
Callaway and Nine Mile 2 order Biach’s SEMS III units for taking stud elongation readings
Nine Mile orders Biach’s EPN and upgrades its older QD tensioners to hydraulic return with new LCD com boxes and EMS components.
Nine Mile purchases Biach’s Nut Rack
Millstone 3 orders a Biach gearing conversion kit for their QA style tensioners
Between 1993 to 2007, over 40 sites replaced older, pneumatic pumping units with Biach’s EPN, electronic limit switches and communication systems and added SEMS products for taking fast elongation readings.
