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Resource schedule; leveling vs smoothing
Short answer
A resource schedule shows resource requirements per time period. Resource levelling adjusts activities to keep demand within a fixed resource limit, possibly extending duration. Resource smoothing adjusts non-critical activities within float to make demand uniform without altering project duration.
Define resource schedule. Differentiate between resource levelling and resource smoothing.
A resource schedule shows how many units of each resource (manpower, equipment, materials, money) are needed in each time period of the project, based on the activity schedule. It is shown by a resource histogram or table.
| Basis | Resource levelling | Resource smoothing |
|---|---|---|
| Constraint | Resource limit is fixed (resource-constrained) | Project duration is fixed (time-constrained) |
| Aim | Keep demand within the available limit | Make demand as uniform as possible |
| Project duration | May increase | Does not change |
| Float used | Total float, and critical activities may also be delayed | Only available float of non-critical activities |
| Critical activities | May be delayed | Not changed |
| Used when | Resources are scarce | Deadline is rigid and demand is uneven |
✓ Answer checked by Claude Opus 5.5 (high effort)
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