supply of three piece welded empty da gas cylinder , new three piece welded empty da gas cylinder 06 nos. with specification as per is: 7312 (latest version) with water c apacity-41 liter , gas capacity- 7 kg (6.3 cum), hydrostatic stretch test pressure-53 kg f /cm2, pneumatic leakage test pressure- 40 k g f /cm2 & maximum working pressure at 15 degree c: 16 kg f /cm2 including refilling charges of da gas in at 06 cubic meter per cylin der. make maruti, madhuraj or similar as per technical specification. [ warranty period: 30 months after the date of delivery ] ] , new seamless empty oxygen gas cylinder with specification as per is: 7285 part 2 (latest version) having specification with water capacity- 46.7 liter , gas capacity: 7 cubic meter. & max. working pressure: 150 kgf /cm2 along with refilling of oxygen ga s at rate 06 cubic meter per cylinder. make maruti, madhuraj or similar as per technical specification. [ warranty period: 30 months after the date of delivery ] ] , supply & commissioning of self-contained breathing apparatus with all complete accessories as per rdso specification no.mp-0.08.00.57 (rev-01). & also comprises bis standards as per is 10245-2 (1994): respiratory protective devices. it should include peso approved steel cylinder, capacity 6.0 liters, 300 bar pressure. duration - 45 min. face mask as per is 14166: 1994 with spare c ylinders having specification mentioned in annexure a. make: vijay sapre, venus, jld, drager, aska & similar. [ warranty period: 3 0 months after the date of delivery ] ]