Piping Material Control involves various activities such as preparation of Material Management Criteria, Review of PID,s, MTO at various Stages. Typical manhours required for each of these activities are as follows.
| Sr. | Activity/Unit | Hours |
| 1 | Material Management Criteria with PID Review / Per PID | 3 |
| 2 | Preliminary Material Take-Off and Request For Quotation / Per Isometric | 0.5 |
| 3 | Intermediate Material Take-Off and Purchase Order / Per Iso | 1 |
| 4 | Final MTO : Manual / Per Iso | 1 |
| 5 | Final MTO : From 3D Model / Per Iso | 0.5 |
| 6 | Material Shortage / Overage Report / Per RFQ, PO | 80 |
| 7 | Supervision Activities : 10% of Above Total | 10% |