Project Name:
Tightening of expansion joint flange bolts at the top of the scrubber tower for M/V OOCL TULIP
Project Start Time:
2026-03-25 13:49
Decoration style:
othere
Project description:
According to the ship information provided by the owner,the expansion joint flange bolts at the top of the scrubber tower needs to be tightened, so from the SEAWAVE service team were at the port of yantian on 21 ,Mar 2026 to carry out the repair work.
Progress:
Details Of Service
1.Erect stable scaffolding or a working platform around the expansion joint flange.
2.Have personnel and equipment enter the top area of the desulfurization tower, and confirm the leakage location as indicated in the pictures.
3.Inspect each bolt of the expansion joint flange one by one to check for looseness.
4.Use an electric/pneumatic wrench to tighten the bolts according to the required torque and the tightening sequence shown in the drawings. Reference the MARK lines made during construction-stage tightening.
5.Apply force evenly during tightening to avoid damaging the expansion joint or flange gasket.
6.After tightening, recheck all bolts for confirmation, and apply sealant to the flange sealing surface in the leakage area.
7.Upon completion of all construction work, withdraw personnel and equipment.
Progress:
Preliminary preparations
1.Erect stable scaffolding/working platform around the expansion joint flange
2.Personnel & equipment enter the top area of the desulfurization tower, confirm the leakage location
3.Inspect each bolt of the expansion joint flange one by one to check for looseness
Progress:
Bolt tightening and sealing
1.Tighten bolts with electric/pneumatic wrench per torque requirements & specified sequence (refer to construction MARK lines)
2.Apply even force during tightening to avoid damage to expansion joint or flange gasket
3.Recheck all bolts & apply sealant to the flange sealing surface in the leakage area
Progress:
Job done
1.Upon completion of all construction, evacuate personnel & remove equipment (including auxiliary inspection & site handover)
1.1 Internal mist eliminator inspection (auxiliary closing procedure)
1.2 Manhole cover reinstallation & site safety isolation
Service Hotline
Mailbox:leo@seawave-engineering.com(Domestic)
Add:Building 3, No. 3238 Huhang Highway, FengXian District,ShangHai ,China