Prill tower
Yara Porsgrunn
Assignment
- Survey of prill tower, concour, rail.
- Survey of new foundations with cast in bolts.
- Survey of the new prefabricated prill tower bottom.

Challenge
- Prefabricated prill tower bottom = 120 Tons of steel.
- 14 days stop.
- Disassembled into 8 pieces for assembly.
- Could existing documentation be trusted?

Solution
- Delivery of report for placing the new prill tower bottom with the exact clearances.
- Production of drawing documenting the new bolt placement on the foundation.
- Work completed 2 days ahead of schedule.
