Overhauling of Valves and Sea Chest Filters at various locations on MV Swaraj Dweep

Amount

OVERHAULING / SERVICING OF VALVES AND STRAINERS: The following valves (SEACHEST, OBD, FIRE HYDRANTS, STORM, FIRE DAMPERS, QUICK SHUT OFF & OTHER SYSTEM VALVES LIKE SD / SDNR / GLOBE / BUTTERFLY / GATE / STORM / QUICK SHUTTOFF / HYDRANTS VALVES ETC.,) are to be dismantled, cleaned, Overhauled offered to the surveyor, MMD for inspection and necessary repairs to be carriedout as per the recommendations of the surveyor and the valves are to assembled, pressure tested and fitted onboard. Contractor has to execute complete Valves & Strainers scope of work as per enclosed attached scope of work (RFO), terms and conditions mentioned in Annexure-A, Annexure-B to satisfaction of SS & HSL.

Overhauling of Valves: Up to 80mm

Overhauling of Valves: 81 to 150mm

Overhauling of Valves: 151 to 250mm

Overhauling of Valves: 251 & above sizes

Tank 34 outlet to main engine - Pneumatically operated quick closing valve (Including Actuator)

Overhauling of Relief Valves

Overhauling of Storm Valves: Up to 125mm

Overhauling of Storm Valves: 126 to 150mm

The following filters/strainers to be removed, dismantled, cleaned, renewed brass strainer element and top covers, box upped with new joints/O-rings, pressure tested, change over cock repaired, fitted on board, operation showned to SS. All required materials like strainer element, top covers, purging cocks, fasteners, joints, O-rings, paints are supply and fitment in contractor scope. All machining works, brazing works, metal build ups are in contractor scope. Contractor has to execute completeStrainers scope of work as per enclosed attached scope of work (RFO), terms and conditions mentioned in Annexure-A, Annexure-B to satisfaction of SS & HSL.

Engine room and fwd p/p room sea chest filters collar damaged, to rectify. Appox. Dia 900 mm Thickness 7.5mm.

Covers for all four sea chest filter casing to fabricate and renew as per sample. Material : Cast Iron. Cover sizes - E/R (P): 730 mm dia x 40 mm thick, E/R (S) : E/R (P ) 730 mm dia x 40 mm thick and FWD (P&S) : 900 mm dia x 50 mm thick.

FWD PUMP ROOM FILTER ELEMENT TO FABICATE NEW. TOP COLLAR THICKNESS 5MM, COLLAR DIA 76MM, FILTER DIA 715MM,HIGHT 810MM. MATERIAL S.S, THICKNESS=3MM, FILTER MESH HOLE DIA = 5MM.

ENGINE ROOM SEA CHEST FILTER ELEMENT SHEARED OFF FROM BOTTOM SAME TO BE RENEWED, COLLAR THICKNESS 5MM, COLLAR DIA 602MM, FILTER DIA 550MM, HIGHT 625MM. MATERIAL S.S

SON AND MOTHER ENGG ENTERPRISES

SRI VENKATA SAI WORKS