If it is expected that site storage will be required for a period longer than the time the packaging will protect the equipment, additional preservation measures will be taken and following techniques followed.
The paint specification will be followed. However, attention shall be paid that intermediate paint coats are applied soonest.
Blank metal parts will be protected by e.g. rustban products of ESSO or SHELL Ensis.
a) Systems containing hydrocarbon will be sprayed, flushed or filled with a suitable oil.
b) Nitrogen blankets will be applied and maintained on stainless equipment.
Apply nitrogen blankets preferably after all internal work is finished in order to avoid extensive purging operations. Nitrogen in a vessel can be dangerous. Apply all necessary warning plates near all vessel entrances.
All construction personnel shall be familiarized with the risks of nitrogen blankets. This instruction is the personal responsibility of the safety engineer.