Works on Valves at various locations on SCI PAWAN

Amount

The following Valves to be removed, overahauled, pressure tested, fitted back, required materials, consumables, machining works, welding / brazing works are in contractor scope. Satisfactory operation to be showned to Surveyor and ship staff at on board vessel as per Annexure-A, wherever rusted bolts and nuts to be removed by hydraulic nut spliters only. Complete SoW is to be carriedout as per Annexure-A to the satisfaction of HSL, SS & CLASS.

Overhauling of Valves: Up to 80mm

Overhauling of Valves: 81 to 150mm

Overhauling of Valves: 151 to 250mm

Overhauling of Valves: 251 & above sizes

Overhauling of Quick Closing Valves: 81 to 150mm

Overhauling of Relief Valves

Overhauling of Storm Valves: Up to 125mm

Overhauling of Storm Valves: 126 to 250mm

OVERHAULING OF PENUMATIC ACTUATOR (FITTED ON BULK HANDLING SYSTEM LINE VALVE 16 NOS DN 125 BUTTERFLY VALVE AND 04 NOS DN80 BUTTERFLY VALVE ). VALVE ACTUATOR OPERATION AND OPEN CLOSE INDICATION TO BE CHECKED,SATISFACTORY TRIAL TO BE SHOWN.

FIFI MONITOR VALVE HANDLE NEAR STBD LIFE RAFT VERY HARD TO OPEN ,SAME TO BE OVERHAULED.

FIFI MONITOR VALVE HANDLE NEAR EMG. DG BLOWE AT B DECK AFT DAMAGED,SAME TO BE RENEWED AND VALVE TO BE OVERHAULED.

THE FOLLOWING NEW VALVES ARE TO BE PROCURED,SUPPLY AND FITMENT ,CLASS APPROVED CERTIFICATE,REMOVAL OF EXISTING VALVES ARE IN CONTRACTOR SCOPE. (Procurement of valves as per the existing dimensions onboard. Remove the existing valves, fit the new valves with new joints and fastenes. (Scope is attached here with as Annexure-A)

CLASS APPROVED, LUG TYPE BUTTERFLY VALVE ( SIZE 200MM DIA)TO BE FITTED AS ADDITIONAL VALVE IN MAIN SEA WATER COOLING OVER BOARD LINE. THE VALVE TO BE FITTED PRIOR TO EXISTING OBD VALVE USING REQUIRED DISTANCE PIECE AND OTHER ACCESSORIES.

CLASS APPROVED, LUG TYPE BUTTERFLY VALVE ( SIZE 150MM DIA)TO BE FITTED AS ADDITIONAL VALVE INBILGE , FIRE & GS BOARD LINE. THE VALVE TO BE FITTED PRIOR TO EXISTING OBD VALVE USING REQUIRED DISTANCE PIECE AND OTHER ACCESSORIES.

CLASS APPROVED, LUG TYPE BUTTERFLY VALVE ( SIZE 125MM DIA)TO BE FITTED AS ADDITIONAL VALVE IN A/C COOLING SEA WATER OVER BOARD LINE. THE VALVE TO BE FITTED PRIOR TO EXISTING OBD VALVE USING REQUIRED DISTANCE PIECE AND OTHER ACCESSORIES.

LUG TYPE BUTTERFLY VALVE ( SIZE 125MM DIA)TO BE FITTED AS ADDITIONAL VALVE IN A/C COOLING SEA WATER INLET LINE. THE VALVE TO BE FITTED AFTER EXISTING VALVE USING REQUIRED DISTANCE PIECE AND OTHER ACCESSORIES.

PROCUREMENT, SUPPLY AND FITMENT OF GLOBE VALVE SIZE = 25 NB, WITH CLASS APPROVED CERTIFICATE.

STP BACK FLUSHING SEA WATER GLOBE VALVE SIZE 40NB TO BE PROCURE, SUPPLY AND FITMENT.

PROCURE,SUPPLY AND FITMENT OF MAIN SEA WATER PUMP DISCHARGE LINE NON RETURNED FLAP VALVE SIZE 200 NB.

PROCURE AND SUPPLY NEW BUTTERFLY VALVE. LUG TYPE, SIZE :200 NB, CAST STEEL BODY, STAINLESS STEEL STEM AND DISC, REPLACEABLE NBR RUBBER SEAT, 10 BAR, WORM GEAR OPERATED MOUNTING BETWEEN JIS 5K/10K & DIN PN 16 FLANGES , FACE TO FACE 60MM. CLASS APPROVED CERTIFICATE REQUIRED FOR THIS VALVE

PROCURE AND SUPPLY NEW BUTTERFLY VALVE. LUG TYPE, SIZE :125 NB, CAST STEEL BODY, STAINLESS STEEL STEM AND DISC, REPLACEABLE NBR RUBBER SEAT, 10 BAR, WORM GEAR OPERATED MOUNTING BETWEEN JIS 5K/10K & DIN PN 16 FLANGES , FACE TO FACE 60MM. CLASS APPROVED CERTIFICATE REQUIRED FOR THIS VALVE

PROCURE AND SUPPLY NEW BUTTERFLY VALVE LUG TYPE LEVER OPERATED, SIZE : 100 NB, F6421 JIS 10K CAST STEEL BODY, STAINLESS STEEL STEM, ALU-BRONZE DISC, NBR RUBBER SEAT, LUG TYPE, DRILLED JIS 10K 125A- PCD 210MM, HOLES: 8XM23, L= 56MM. CLASS APPROVED CERTIFICATE REQUIRED FOR THIS VALVE

PROCURE AND SUPPLY NEW BUTTERFLY VALVE LUG TYPE, LEVER OPERATED, SIZE: 80 NB, 10K 100A. LEVER OPERATED, CAST STEEL BODY, STAINLESS STEEL STEM, ALU-BRONZE DISC, NBR RUBBER SEAT, LUG TYPE, DRILLED JIS 10K 100A- PCD 175MM, HOLES: 8XM16, L= 52MM. CLASS APPROVED CERTIFICATE REQUIRED FOR THIS VALVE

PROCURE AND SUPPLY NEW WORM GEAR ACTUATORS PROVIDE PRECISE QUARTER TURN ACTUATION WHICH WILL FIT ON BUTTERFLY VALVE DN350

PROCURE AND SUPPLY NEW WORM GEAR ACTUATORS PROVIDE PRECISE QUARTER TURN ACTUATION WHICH WILL FIT ON BUTTERFLY VALVE DN200

PORT AND STBD CENTRAL COOLER BACK WASHING VALVES ( DN 100 LUG TYPE BUTTERFLY VALVE)TO RENEW

MSW PUMP #1,2 &3 DISCHARGE VALVE NRV (3 NOS)TO RENEW . SPECS - NB 100 , 6"

FIFI LINE VALVE NEAR STBD RESCUE ZONE STUCKED AT CERTAIN ANGLE AND PORT RESCUE ZONE VALVE SPINDAL SCREWED BODY CRACKED TO BE REPAIRED.

NEW STORM VALVES.FOR GREY WATER OBD, VALVE DIMENSION : VALVE STROM, VERT, CS 10K 100MM. VALVES TO BE PROVIDED WITH CLASS APPROVED CERTIFICATE.

NEW STORM VALVE FOR -STP DISCHARGE. VALVE DIMENSION : VALVE STROM, 50A10K VALVES TO BE PROVIDED WITH CLASS APPROVED CERTIFICATE.

ALL MUD TANK VALVES ON ENGINE ROOM AND CPP ROOM AND TANKS INTERMEDATE VALVES TO BE OVERAHULED.DIA 300MM

PROCURE NEW BUTTERFLY VALVE LUG TYPE , SIZE: DN125, BODY :GG25, DISC; C95400, SEAT : VITON, RATING: 10K, NO OF HOLE :8, PCD: 210MM, BOLT SIZE: 30MM, BOLT DIA : 20MM

PROCURE NEW BUTTERFLY VALVE LUG TYPE , SIZE: DN125, BODY :GG25, DISC; C95400, SEAT : VITON, RATING: 10K, NO OF HOLE :8, PCD: 210MM, BOLT SIZE: 30MM, BOLT DIA : 20MM

VENKATESWARA ENGINEERING WORKS

gk engineering works

SRI VENKATA SAI WORKS

SON AND MOTHER ENGG ENTERPRISES