OHS Compliance & Risk Management2 min readPublished 7 October 2026

Baseline vs issue-based risk assessment

Compare baseline and issue-based assessments using a workplace change example and an evidence checklist.

Start with the assessment question

For a workplace with several activities, a baseline exercise can organise the starting picture: tasks, people, interfaces and the assessments already available. It should reveal where more detail is needed. Calling a document a baseline does not make it a complete assessment of every activity or prove that its controls work.

Worked planning example: a changed delivery area

Illustrative example: a warehouse changes its unloading arrangement while the rest of the operation continues. The existing baseline identifies deliveries as an activity. The change now needs a focused review of vehicle and pedestrian interfaces, the altered access route and who controls it. The team should compare the actual new arrangement with the assumptions in the older record, rather than merely updating a date on the cover.

Connect the records

Record the affected baseline entry, the reason for the focused review, the current drawing or procedure version and the person responsible for the decision. Feed the agreed outcome back into the wider register. If a review exposes wider changes, reassess the boundary; a narrow label should not prevent a broader investigation.

Prepare a useful enquiry

Provide the workplace activity, the change, existing document versions and the decision the organisation needs to make. State whether you need people trained in the process, a particular assessment discussed or a review of existing records. Agree scope and competence before work starts; this comparison is a planning aid rather than a risk-rating method.

Compare the evidence

QuestionBaseline focusIssue-based focus
What is being considered?The overall workplace or agreed operationA specific task, change or issue
What evidence helps?Activity list and existing assessmentsChanged drawings, observations and task information
What happens afterwards?Identify priorities for deeper reviewUpdate affected controls and related records
Different questions, connected records

Related guidance and resources

Source context

Source context checked 6 October 2026. Examples are illustrative.

DB
Written by Diba BESEditorial team

Diba BES provides occupational health and safety consulting, workplace training and occupational hygiene for South African organisations. Its prevention-focused approach helps clients identify gaps, plan action and protect operational continuity.