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Johnson
and Johnson, Slough, England.
Main
Contractor: Marsh Irradiators International
Ltd.
Sub Contractor: Powerplus Systems Ltd
Type of facility: .75 MCi computer controlled
continuous industrial irradiation facility
Work carried out: 1984 to 1991 Routine Maintenance
1984 to 1991 Emergency breakdown service
1985 Design and installation of a new computer
control system.
1984 to 1991 Cobalt 60 loading including
all plant preparation and subsequent updating
of the computer control system.
1992 De-commissioning
Sabre, Reading,England.
Main
Contractor: Marsh Irradiators International
Ltd.
Sub Contractor: Powerplus Systems Ltd
Type of facility: 1.0 MCi, plc controlled,
continuous industrial irradiation facility
Work carried out: 1984 to 1992 Routine Maintenance
1984 to 1991 Emergency breakdown service
1989 Modification to the hydraulic control
system.
Plant now decommissioned.
Isotron Plc, Reading, England.
Main
Contractor: Marsh Irradiators International
Ltd.
Sub Contractor: Powerplus Systems Ltd
Type of facility: Relay logic controlled
continuous industrial irradiation facility
Work carried out: 1990 Modification to the
hydraulic control system.
1984 to present day Routine maintenance.
Main Contractor: Powerplus Systems Ltd
Work carried out: 1994 Computerized routine
and validation dosimetry system.
2000 Touch-screen/barcode Computerized routine
and validation dosimetry system.
Main Contractor: REVISS/PURIDEC
Sub Contractor: Powerplus Systems Ltd
Work carried out: 2000 Computerized dead
man alarm system.
1998 Relay logic control system replaced
with computer control system.
Isotron Plc, Swindon, England.
Main
Contractor: Powerplus Systems Ltd
Type of facility: Time switch controlled
continuous industrial irradiation facility
Work carried out: 1995 Computerized routine
and validation dosimetry system.
1984 to 1994 Routine maintenance.
2000 Touch-screen/barcode Computerized routine
and validation dosimetry system.
Isotron Plc, Daventry, England.
Main
Contractor: Powerplus Systems Ltd
Type of facility: PLC controlled Nordion
irradiation facility.
Work carried out: 1995 Computerized routine
and validation dosimetry system.
2000 Touch-screen/barcode Computerized routine
and validation dosimetry system.
Isotron Plc, Bradford, England.
Main
Contractor: Powerplus Systems Ltd
Type of facility: PLC controlled irradiation
facility.
Work carried out: 1995 Computerized routine
and validation dosimetry system.
2000 Touch-screen/barcode Computerized routine
and validation dosimetry system.
Swann-Morton Services Ltd, Sheffield,
England.
Main
Contractor: Marsh Irradiators International
Ltd.
Sub Contractor: Powerplus Systems Ltd
Type of facility: 0.75 MCi computer controlled
continuous industrial irradiation facility
Work carried out: 1989 Original plant installation
1989 Commissioning
1994 Design and supply of the computer control
system
1994 Computerized routine and validation
dosimetry.
1989 to present Emergency breakdown service
1989 Design and supply of the hydraulic
control system control system.
1989 to present Cobalt 60 loading including
all plant preparation and subsequent updating
of the computer control system.
2001 Upgraded computer control software
and hardware.
Mediscan, Osterreichisches Forshunszentrum,
Seibersdorf, Austria.
Main
Contractor: Marsh Irradiators International
Ltd. Nukem GmbH.
Sub Contractor: Powerplus Systems Ltd
Type of facility: 1.5 MCi computer controlled
continuous industrial irradiation facility
Work carried out: 1991 Plant Installation
1991 Commissioning
1994 Design and supply of the computer control
system
1991 to present Emergency breakdown service
1991 Design and supply of the electrical
control system.
1991 Design and supply of the hydraulic
control system control system.
1991 to present Cobalt 60 loading including
all plant preparation and subsequent updating
of the computer control system.
Kendal Gammatron, Thailand.
Main
Contractor: Marsh Irradiators International
Ltd.
Sub Contractor: Powerplus Systems Ltd
Type of facility: Relay logic controlled
continuous industrial irradiation facility
Work carried out: 1984 to present Routine
Maintenance
1984 to present Cobalt 60 loading including
all plant preparation.
Malaysian Institute for Nuclear
Technology, Bangi, Malaysia.
Main
Contractor: NUKEM Nuklear GmbH.
Sub Contractor: Powerplus Systems Ltd.
Type of facility: 1.0 MCi computer controlled
continuous industrial liquid processing
irradiation facility
Work carried out: 1995 complete Plant Installation.
1995 Commissioning.
1995 Design and supply of the computer control
system.
1995 Design and supply of the latex pumping
and metering system.
1995 Design and supply of the electrical
control system.
1995 Design and supply of the irradiation
matrix.
1995 to present Emergency breakdown service.
1995 Design and supply of the routine and
validation dosimetry system.
1995 Design and supply of the hydraulic
control system control system.
1995 to present Cobalt 60 loading including
all plant preparation and subsequent updating
of the computer control system.
Malaysian Institute for Nuclear Technology,
Bangi, Malaysia.
Main
Contractor: PURIDEC
Sub Contractor: Powerplus Systems Ltd.
Type of facility: Sinagamma, Nordion irradiation
facility
Work carried out: 2000 to present Cobalt
installation.
Ethicon, Hamburg, Germany.
Main
Contractor: Marsh Irradiators International
Ltd.
Sub Contractor: Powerplus Systems Ltd
Type of facility: PLC controlled continuous
industrial irradiation facility
Work carried out: 1994 Modifications to
the hydraulic system.
1992 onwards Maintenance
Salford University, Salford, England.
Main
Contractor: Marsh Irradiators International
Ltd.
Sub Contractor: Powerplus Systems Ltd
Type of facility: Manually controlled research
irradiator
Work carried out: 1996 Modifications to
the control system.
1984 onwards Maintenance
Glasgow University, Glasgow, Scotland.
Main
Contractor: Marsh Irradiators International
Ltd.
Sub Contractor: Powerplus Systems Ltd
Type of facility: Manually controlled hot-spot
research irradiation facility
Work carried out: 1991 onwards Emergency
repairs
1991 onwards Maintenance
Kasetsart University, Bangkok, Thailand.
Main
Contractor: Marsh Irradiators International
Ltd.
Sub Contractor: Powerplus Systems Ltd
Type of facility: Computer controlled multi-source
Gamma Greenhouse irradiator.
Work carried out: 1997 Installation
1998 Commissioning
1997 Design and supply of the computer control
system
1997 onwards Emergency breakdown service
1997 onwards Cobalt 60 loading including
all plant preparation and subsequent updating
of the computer control system.
Brunel University, Uxbridge, England.
Main
Contractor: Marsh Irradiators International
Ltd.
Sub Contractor: Powerplus Systems Ltd
Type of facility: Manually controlled research
irradiator
Work carried out: Repair
Maintenance
Main Contractor: PURIDEC
Sub Contractor: Powerplus Systems Ltd
Work carried out: 2000 Re-design of the
safety interlock system
1989 onwards Routine maintenance
1989 onwards Cobalt loadings
IBA, Mediris, Belgium.
Main
Contractor: PURIDEC
Sub Contractor: Powerplus Systems Ltd
Type of facility: Gammir 1, Sulzer fully
automatic irradiation facility
Work carried out: 1997 Computer control
system upgrade
IBA, Mediris, Belgium.
Main
Contractor: PURIDEC
Sub Contractor: Powerplus Systems Ltd
Type of facility: Gammir 2 Sulzer batch
irradiation facility
Work carried out: 1998 Computer control
system upgrade
Ethicon, Edinburgh, Scotland.
Main
Contractor: PURIDEC
Sub Contractor: Powerplus Systems Ltd
Type of facility: Nordion irradiation facility.
Work carried out: 2000 Routine and validation
dosimetry.
Steris Isomedix Services, The Town
of Chester, New York, USA.
Main
Contractor: REVISS.
Sub Contractor: Powerplus Systems Ltd.
Type of facility: 8.0 MCi computer controlled
fully automated industrial irradiation facility.
Work carried out: 2001/2002 complete plant
concept design, hydraulic system design
and supply, computer control system design,
supply and installation, electrical and
electronic system design, supply and Installation.
Supervision of all other installation.
2001/2002 Concept design of the irradiator
mechanical handling equipment. 2001/2002
Design and supply of the computer control
system.
2001/2002 Design and supply of the electrical
control system.
2001/2002 Design and supply of the hydraulic
control system control system.
2003 Commissioning.
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