Another work by CIAP Personal, On request from ship engineers noticed that heavy deposits in the smokes tubes and restricted flow in the smoke tubes. With Proper PPE team commenced the work after properly isolating the boiler. All tubes manually cleaned with rod and the brush followed by fresh water washing. All collected water pumped to separated tank by using diaphragm pump. All soot collected and finalize the work to the satisfaction of ship engineers. Hard work continuous work and thumbs UP team CIAP.