REPAIR / REFURBISHMENT OF VENTILATION SYSTEM ONBOARD-IN SHIP

Engine Room Ventilation -System Flaps. Refurbishment of ventilation flaps. The job includes for all ventilation system flaps(together) (i) Degutting & Regutting (ii) Structural Repairs (iii) Renewal of 28 Nos. hinges (iv) Replacement of 10m2 wire mesh (Material SS) (v) Renewal of 50 Nos. clamps and brackets for securing arrangement (vi) Renewal of 56 Nos. pulleys (vii) Removal and replacement of 200m wire rope (5-6 mm dia) (viii) Renewal of 14 Nos. bottle screws ( 4” – 6” dia) (ix) Renewal of 56 Nos. shackles (x) Renewal of 56 Nos. bull dog grips (xi) Renewal of 56 Nos. thimbles (xii) Checks of pneumatic piping (Material SS) for blockages and rectification/renewal if regarding 80mts. (xiii) Removal and replacement of 18 nos. pneumatic manipulator (xiv) Removal and replacement of 21 nos. of retaining pneumatic actuators (xv) Removal and replacement of 14 nos. ball locks including flap centre rod/shaft (xvi) Removal and replacement of 55 nos. switches (xvii) Continuity checks/renewal of 150m electrical cables (copper cables 2.5x3mm & 1.5 x 2mm) (xviii) Removal and replacement of 51 Nos. indication lamps (spares 24V LED red) (xix) Removal and overhauling of 5 Nos. valves (xx) Removal/replacement of 3 Nos. handles (xxi) Testing of 01 Nos. 200 ltr air bottle and replacement of 03 in Nos. pressure guages (xxii) Removal and replacement of DG intake pneumatic actuator (xxiii) Removal, overhauling and fitment of 04 Nos. Mushroom heads (xxiv) Removal and Replacement of 04 Nos. pneumatically driven louvers(actuators) (xxv) Removal, overhauling, testing and refitment of 7 Nos. solenoid valves. In case of failure, the same needs to be replaced.. as per attached QIS.

Engine Room Ventilation. Proving entire system pneumatically and manufacturing mode in cluster wise (AER- 5 Nos., FER – 5 Nos. and B/R – 4 Nos.. as per attached QIS.

Combat Ventilation System - Air bottles. Chemical cleaning and pressure testing of Air bottles. Replacement of pneumatic lines. All components are to be clamped and supported adequately using metallic clamps. Consumable material will be in the scope of firm.. as per attached QIS.

Combat Ventilation System- Mushroom heads. Repair / refurbishment of mushroom heads. Defective components to be replaced by the firm with approved spares, including hydraulic and air pressure testing of mushroom head ventilator for air pressure of 0.3 kg/sqcm. Consumable material will be in the scope of firm. Mat : Sponge rubber beading – 02 Mtrs Black Rubber 1Mtr x 2Mtr – 03 Sheets SS Bolt & Nut M8*30 SS Bolt & Nut M10*30 SS Bolt & Nut M12*35 Bolt & Nut M12*50 Bolt & Nut M16*60 Bolt & Nut M8*40 Copper tugs ring type, 6mm Rubber Gasket 3mm sheet – 03 Nos (1000X1000mm) SS ring for B type mushroom. as per attached QIS.

Combat Ventilation System -Pneumatic mechanism. Repair/Refurbishment of pneumatic mechanism. Defective components to be replaced by the firm with consumable material will be in the scope of firm. Mat : Rubber Gasket Roller Sponge rubber beading Black Rubber 1Mtr x 2Mtr SS Bolt & Nut M8*30 SS Bolt & Nut M10*30 SS Bolt & Nut M12*35 Bolt & Nut M12*50 Bolt & Nut M16*60 Bolt & Nut M8*40 SS ring for B type mushroom. as per attached QIS.

Combat Ventilation System -Control Panels. Repair and rectification of defects of control panel viz. electrical cables, switches, indication lamps etc. Defective components to be replaced with consumable material will be in the scope of firm. Mat : Electrical copper cable (2.5X3)mm Electrical copper cable (1.5X2) mm Fuse holder Fuse 2 Amp fiber type Indicating lamp 24V LED red Bolt & Nut M8*40 Cable tie 250 mm Cable tie 300 mm Solenoid Valves Control Fuse – 68 Nos Control wire 2.5 mm 3 core Switches on and off – 03 Nos. as per attached QIS.

Combat Ventilation System -Pneumatic lines. All pneumatic lines are to be repaired along with end fittings. Pneumatic drives are to be tested for tightness by hydraulic of 60 kgf/cm². Defective components to be replaced by the firm with consumable material will be in the scope of firm. Mat : Distance piece – 75 Nos Copper brazing rod – 02 Kg Brass tee 22mm x 22 mm – 50 Nos 10mm Copper pipe 3.5 kg – 02 Nos Copper tugs ring type, 6mm – 35 Nos. as per attached QIS.

Combat Ventilation System -Limit Switch. Replacement of all limit switches. as per attached QIS.

Combat Ventilation System - Solenoid Valve. Removal / Replacement / Repair & refitment of all solenoid valves. as per attached QIS.

Combat Ventilation System - components. Post fitment of the system components onboard, the entire system is to be proved for satisfactory operation. Checks will be carried out by representatives of ships staff, MFAB, MMCD and MQC. Checks will also include chalk tests of the mating surfaces along the ventilation boundary and the mushroom heads as indicated in QIS.. as per attached QIS.

Combat Ventilation System. Supply electrical assistance during citadel trials of the effected compartments where pneumatic mushroom heads are fitted for immediate defect rectification.. as per attached QIS.

KAUSHIK MECHELECTRO PVT. LTD.

Trinitech Infrastructure (India) Private Limited

shine industries