PROJEM’S SCOPE ‐ Supply Equipment and Labor to complete 4” Hot Tap on 18 Railway Tankers
Modify new valves to allow for acid service.
Design & Manufacture a Hot Tap machine to suit the capability of drilling into Vessels while under Nitrogen purge including installing a ball valve to assist with purge for welding.
Develop JHA’s & Risk assessments to mitigate the risks associated with drilling into the pressurized vessel that may contain traces of Hydrogen vapor.
Mobilize to site & performed trial run for all interested parties and confirm risk assessments.
Drill & tap to suit ¼” BSP hole with small hot tap machine under Nitrogen purge, continue gas monitoring until satisfactory LEL (Lower Explosive Limit) is achieved.
Prep area to weld 4” stab onto vessel while continuing purging.
Set up & cut 4” Hot Tap hole with T101 Hot Tap Machine whilst still purging.
Remove machine and hand to customer for decanting.