supply of scba to v. nidhi at colombo on fob.- self contained breathing apparatus (positive pressure) in m.s. storage chest and consisting of: air cylinder/s, back plate with harness belts, pressure guage, low pressure audio and visual or other alert devices, face mask with demand valve, life line with snap hooks, rigid helmet, insulated non flammable fire axe, etc. air cylinder/s should compulsorily have 1200 ltrs free air capacity capable of supplying breathing air for 30 minutes. additionally to be supplied with spare cylinders for 2400 ltrs free air capacity as per rule requirements. maximum pressure of each air cylinder not exceeding 200 bars. approved type as per solas latest regulations in accordance with msc.338(91) and msc.339(91).
