What is Trending ? How does it Work ?
    - Incremental measurement of progress over short or long periods of Time
- Comparison of incremental planned progress with incremental actual progress
- Identifies all areas where shortfall in progress occurs
- Quantifies the shortfall in progress as a percentage and in terms of manhours earned / planned and spent (actual)
- Programme Recovery Targets can be set, i.e. do more work each week than planned
- Trending relies heavily on;  Comprehensive System of bottom/up information gathering both manual and computer based
- Detailed and accurate report writing, record keeping and progress input
- Interactive database computer applications