How to manage temporary works in construction - Book - Page 134
Terms and definitions
organization
can demonstrate good organizational ability in terms of its approach to the wellbeing of people affected
by the work it carries out.
Competent person
Someone with the necessary skills, knowledge and experience (and organizational capability) of the
specific tasks to be carried out, and the risks which the work will entail, to enable them to carry out
their duties in relation to the project recognize their limitations and take appropriate action in order to
prevent harm to those carrying out construction work, or those affected by the work.
Consequence of
failure risk (CFR)
Risk associated with the consequence of failure of the temporary works come from the location of the
temporary works, and what might be affected by the failure.
Constructability
The optimum use of construction knowledge and experience in planning, design, and procurement and
field operations to achieve overall project objectives.
Construction work
The carrying out of any building, civil engineering or engineering construction work, including:
the construction, alteration, conversion, fitting out, commissioning, renovation, repair, upkeep,
redecoration, or other maintenance (including cleaning which involves the use of water or an abrasive
at high pressure, or the use of corrosive or toxic substances), de-commissioning, demolition or
dismantling of a structure.
the preparation for an intended structure, including site clearance, exploration, investigation (but
not site survey) and excavation (but not pre-construction archaeological investigations), and the
clearance or preparation of the site or structure for use or occupation at its conclusion.
the assembly on site of prefabricated elements to form a structure or the disassembly on site of
the prefabricated elements which, immediately before such disassembly, formed a structure.
the removal of a structure, or of any product or waste resulting from demolition or dismantling
of a structure, or from disassembly of prefabricated elements which immediately before such
disassembly formed such a structure the installation, commissioning, maintenance, repair or removal
of mechanical, electrical, gas, compressed air, hydraulic, telecommunications, computer or similar
services that are normally fixed within or to a structure.
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Contractor
Anyone (including a non-domestic client) who, in the course or furtherance of a business, carries out,
manages or controls construction work.
Control measures
Actions and/or activities that are taken to prevent, eliminate or reduce the likelihood of an identified
hazard happening.
Design
This includes the specification of articles and/or components (e.g., shoring for excavation) or
substances (e.g., cement) relating to a structure, and calculations prepared for the purpose of a design.
Design brief
A document that includes all data and requirements relevant to the design of the temporary works.
Design certificate
A certificate issued by the designer to indicate that the design is satisfactory and conforms to the design
brief, and, where provided, the design statement.
Design check
An evaluation of the design to determine whether it conforms to the design brief and, if applicable,
design statement, and whether it is adequate to provide a safe 'engineered solution'.
Design check
certificate
A certificate for Category 2 and 3 designs (and potentially required by the organization for Category 1
designs) that confirms the design conforms to the design brief, states the standards/technical literature
used; and lists any constraints to loading conditions imposed. It should be signed by the temporary
works design checker and temporary works designer.
Design review
An evaluation of the design deliverables to make sure they comply with the requirements set out in the
design brief.
Design statement
A document prepared by the designer outlining the design requirements, means by which the design
will be developed, assumptions, method of analysis, other controls, and potential to affect / impact
operational infrastructure.
Designated
individual (DI)
A senior person in an organization with responsibility for establishing, implementing, and maintaining
a procedure for the control of temporary works for that organization.
Dynamic wind
pressure
The transformation of wind to dynamic energy when it is stopped by a surface. The pressure acting on
the surface transforms to a force.
Effective length
Used in determining buckling resistance of a column (or beam) under compression.
Effective wind
pressure
The force exerted on a structure by the wind, considering the air density and wind velocity per unit area
of the structure.
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