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Last edited 12 Oct 2020
With all forms of appointment it is important that there is clarity about the scope of services being provided otherwise there may be uncertainty about who is responsible for which aspects of the project, what fee is chargeable, what services are within the agreed fee and what services might be considered ‘extras’.
For this reason, appointment agreements often include, or refer to, a ‘schedule of services’ (sometimes described as ‘scope of services’ or ‘services schedule’) setting out precisely what services a consultant will be performing on a project. Schedules of services may also be prepared for contractors where they are carrying out design work, or for consultants appointed by contractors on design and build projects.
Changes to a project may impact on the scope of services required. Where this is controlled, it may be described as a change of scope, and this should be carefully documented and may be reflected in changes to the appointment agreement, or fee. However, when it is not a controlled process it can be referred to as ‘scope creep’. This may be as simple as a verbal request from the client (or from one part of the client organisation) to carry out a piece of work, without a proper assessment of whether that work is included in the existing fee, or whether it is an additional service for which additional fee is chargeable, whether it has been authorised, or whether it is a sensible use of the clients finite funds compared to other possible activities.
Typically these requests will in themselves be relatively small, but repeated changes or additions can build up, or ‘creep’ to become significant variations, resulting in continuous growth of the scope of services and a drift away from the original brief, fee or budget.
Scope creep can also refer more broadly to uncontrolled changes to the project itself, for example, increasing the schedule of accommodation required, or the quality expected, or the duration of the project. These uncontrolled changes may not be properly documented, may not be properly assessed in terms of value and may not be reflected in changes to the budget. This can also impact on the fees chargeable, where for example they are calculated as a percentage of construction cost.
Scope creep can be avoided by scope management, first assessing and defining the project clearly so that the scope is properly understood, agreed and communicated to all parties, and then introducing change control procedures to ensure that uncontrolled changes of scope are avoided, and where changes are necessary, they are properly assessed, authorised and documented.
- The reasons for the change.
- Who is requesting the change.
- The consequences of the change, including health and safety, time, quality and cost (and who will bear the cost).
- Proposals for mitigation of any consequences.
- The risks associated with the change.
- Alternatives to the proposed change.
- Time by which the change must be instructed.
There may then be:
- Client evaluation of whether the impact of the change is acceptable and whether the proposal provides value for money.
- Client instructions to the consultant team.
- Contract administrator instructions to the contractor.
The need for changes can be minimised by:
- Undertaking thorough feasibility studies, site investigations and condition surveys.
- Ensuring that the project brief is comprehensive and is supported by all stakeholders (including end users).
- Ensuring that legislative requirements are properly integrated into the project.
- Ensuring that risks are properly identified.
- Ensuring that designs are properly co-ordinated before tender.
 Find out more
 Related articles on Designing Buildings Wiki
- Abortive work.
- Change control procedure.
- Cost control.
- Cost overruns.
- Fee proposals.
- Scope of services.
- Value engineering.
- Value management.
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