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Shielding & Criticality Assessment Group
Contracts include:
AWE
Nuclear Technologies currently support AWE Aldermaston via
a Term Contract for Safety Consultancy Services to support
the development of safety cases for various projects including:
- Enriched Uranium Facility project
- Revision of the 250 mGy criticality dose contour for a major
AWE production facility
- Long term secondments into Aldermaston to support the criticality
safety assessment of all operations involving the movement,
storage or processing of fissile materials
- Provision of criticality safety training
- Provision of safety advice
- Provision of criticality and shielding assessments and documentation
BRITISH NUCLEAR GROUP
Nuclear Technologies have been awarded the following contracts
with British Nuclear Group: -
- BNFL Springfields
o Nuclear Technologies are currently providing a consultant
on secondment to provide criticality safety support to
several projects at BNFL Springfields.
- BNFL Sellafield
- Nuclear Technologies provide safety
consultancy personnel to assist in the COSR Criticality
INSA.
- Work is presently in progress looking at the Engineering
Substantiation of the shielding provisions
on a BNFL owned PIE Facility and its associated flasks
on
the
UKAEA
Windscale
site.
- BNFL Capenhurst
- In the past, we have also provided
criticality safety support via seconded consultants
to several projects at BNFL
Capenhurst.
UKAEA
Nuclear Technologies supports UKAEA in a broad raft of safety-related
tasks. In 1998, the company was awarded a continuing Term
Contract for Scientific Consultancy Services from Dounreay,
against which numerous orders have been placed, including:
- UKAEA Dounreay
- Preparation and peer review of safety
case documentation and engineering substantiation
documents for various
plants at Dounreay, including Criticality Incident
Detection and
Alarm Systems, (CIDAS), 100 mSv Contour Assessments
and Shielding Assessments produced as part of
the modern standards safety case programme.
- Development of plant
designs for the retrieval of waste from the
Dounreay shaft and silo
- Production of criticality safety assessments
for Dounreay operational plant
- An assessment of the
dose to the critical groups from Dounreay Stack
Discharges.
- D1250/1251
Dispersion Modelling Study using PC Cream software.
- Review
of the D1203 Criticality HAZANS (subcontracted
by DGP)
- Peer
Review of D1208 CIDAS Omission Case
- D1203 Dissolver
Cell Criticality Assessments (subcontracted
by DGP)
- UKAEA Harwell
- Criticality Safety Assessment of Batch
Preparation Glovebox
- CIDAS Omission Case for B462 Waste
Handling Complex at Harwell
- UKAEA Winfrith
- Shielding assessments for the WOMAD
East Treatment Plant (subcontracted
by RWE Nukem)
UK NIREX LTD
Nuclear Technologies holds a Term Contract for Criticality
and Waste Packaging Safety Consultancy Services by UK
Nirex Ltd., the body responsible for the provision of
a national
geological repository for the disposal of radioactive
waste. Various packages of work have been placed as a
result.
GE HEALTHCARE
Nuclear Technologies have recently completed a project to
determine the bulk biological shielding and neutron activation
for a cyclotron vault that is used in the production of radioisotope
sources for use in Positron Emission Tomography (PET). This
work has subsequently been expanded for GE Healthcare (who
now own Amersham) to look at dose rates from a self-shielded
cyclotron in a European Member State.
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