NORMAL INTERACTION OF RSC WITH PROJECT TEAM
Our experience in this field has provided
insight into the role of a Radiation Design Consultant, which in the
past has been rather nebulous due to the relatively recent emergence of
the specialty.
The following outline of the scope of work for a design project gives a better idea of this role.
- Schematic design.
Input during schematic design is limited to advice concerning general
location of equipment/facilities in order that inappropriate
conjunctions of rooms can be avoided and such factors as shielding
weight are considered.
- Design development.
This is by far the largest part of our consultant input. Included here
are calculations of room shielding and presentation of construction
alternatives. Wall weights are significant in areas shielded for
ionising radiation, so careful consideration of alternatives is
required for structural reasons. Also included here are User
Consultation & Briefing and liaison with the local Regulatory
Authority to facilitate plan acceptance. Also included here are the
shielding design reports for the end user and the Regulatory Authority,
as well as negotiation with local councils.
- Construction documentation.
The various techniques required to establish and to maintain shielding
integrity of walls and other barriers, consistent with construction
techniques as specified, are covered in detail. Shielding materials
required for walls, doors etc. and construction details are defined.
- Site attendance.
During the construction phase, a representative of Radiation Services
Consulting will attend the site to monitor construction works to verify
that shielding requirements are met. At completion of the works, a
certificate verifying that the building complies with design
constraints as advised by the local statutory authorities (e.g.
Radiation Control, Government Architects etc.) and that shielding
integrity is maintained throughout the structure (signing off and
providing certification).
- Assessment of existing rooms.
Shielding of existing rooms can be evaluated either by physical
inspection (where possible) of walls and doors. If it is not possible
to examine the construction of a particular barrier, then RSC uses an 241Am source to estimate the shielding therein.
In some (very rare) cases a core drilling is required to finally
ascertain wall construction. If this is required, then RSC provides
supervision to a delegated contractor.
Shielding requirements are then calculated, compared to that existing and recommendations for additional shielding prepared.
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In order to simplify document transfer and to keep our
interaction as seamless as possible, RSC has implemented AUTOCAD 2008
as our drawing package. Documents are prepared under
Microsoft Word 2000. All documentation can be delivered as hard copy,
floppy disk, CD-ROM or by email
All of the above projects have readily satisfied the requirements of
the appropriate regulatory authorities for the purposes for which they
were designed.
Of great importance in this type of work, RSC carries insurance for
public and product liability as well as trade practice and professional
indemnity.
Shielding design layout for Epworth Hospital.
Since 1994, Radiation Sevices Group has
completed over 500 shielding designs for projects ranging from single
x-ray rooms to entire hospitals.
Major projects (to name only a few) have included:
- Australian Customs Service Container
X-ray Project Sites located in Sydney, Melbourne, Brisbane and Perth.
Design of scanner hall for linear accelerator bunkers
- Royal Prince Alfred Hospital, Sydney. Design development and
documentation for Hospital redevelopment and for two high energy
accelerator bunkers.
- Epworth Private Hospital, Melbourne. Design development and documentation for Radiotherapy department.
- Woden Valley Hospital radiation Onocology Redevelopment,
Canberra. Design development and documentation for radiotherapy
department.
- Princess Margaret Hospital, Hong Kong.
Design development of four bunker Radiotherapy Department.
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