Hindustan Shipyard Limited has published Overhauling Of Valves At Various Locations Mv Vishva Vijetha. Submission Date for this Tender is 25-01-2022. Ship repair and Maintenance Tenders in visakhapatnam Andhra Pradesh. Bidders can get complete Tender details and download the document.
Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
1 | 21-Jan-2022 | Due date extension | Date | 25-01-2022 |
Sl. No. | Item Description |
1 | SCOPE OF WORK: 1) VALVES TO BE IDENTIFIED WITH TAGS AS PER THE QDL IN CONSULATION WITH SHIP STAFF & HSL OFFICERS. 2) VALVES TO BE REMOVED FROM THE POSITION AND SHIFTED TO WORKSHOP FOR DISMANTLING WITH ONE PIPE ON EACH SIDE SHELL BE REMOVED & REFITTED WITH NEW/REPAIRED VALVE HANDLES / SHEELS AFTER COMPLETION OF OVERHAULING. 3) VALVES TO BE DISMANTLED FULLY AND ALL PARTS I.E, VALVE BODY, COVER LID, SEAT, GLAND, SPNDLE, LOCKS ETC TO BE THROUGHLY CLEANED ON ALL RESPECTS AND OFFER INITIAL INSPECTION / SURVEY TO SHIP STAFF HSL OFFICERS / CLASS SURVEYORS FOR DEFECTION AND REPORT TO BE PREPARED. 4) REMOVE THE FILTER BODY COVER. 5) TAKE OUT THE STRAINER ELEMENT. 6) FABRICATION OF NEW STRAINER ELEMENTS USING PREPORATED SHEET AS PER THE EXISTING DIMENSIONS (MAT: BRASS /BRONZE/SS) WHERE EVER RENEWAL IS REQUIRED. 7) CLEAN, SCRAP & PAINT (AS PER NAVY PAINT SCHEME) THE FILTER BODY. 8) FIT THE NEW STRAINER ELEMENT IN THE BODY AND COVER ALONG WITH NEW FASTERNERS AND NUTS (BUTTERFLY NUTS), RUBBER / OIL JOINTS. 9) ALL MANDATORY SPARES I.E OIL . PURE NEOPRENE RUBBER JOINTS,, SS BOLT & NUTS WASHERS, PAINTS ETC TO BE REPLACE BY THE OFF LOADING PARTY AND SHALL BE OF GENUINE QUALITY, (TVS/UNBRAKO/USHA MARTIN/ LUCAS). 10) STRAINER BODY COVER IF FOUND DAMAGED TO BE REPLACED WITH NEWLY FABRICATED(MAT:CAST IRON). 11) REMOVAL & SHIFTING OF THE FILTER BODIES OT THE WORK SHOP IS CONTRACTOR"S SCOPE. 12) DURING SEA TRIALS THE CONTRACTOR MUST PRESENT FOR INTERMEDIATE CLEANING OF STRAINERS AND NECESSARY ASSISTANCE TO BE PROVIDED. 13) Consumable like packing, fasteners are in contrcators scope |
2 | DETAILS OF THE SCOPE IS AS FOLLOWS: Note: Bidders are advised to read the annexure before quoting and consider the scope to executed in the attached Annexure-A details also. |
3 | OVERHAULING OF EDUCTOR VALVE |
4 | FOLLOWING NON RETURN VALVES TO BE TRANSPORTED TO WORKSHOP; OVERHAULED AND TO BE FITTED BACKWITH NEW NUTS/BOLTS/PACKING (VENDOR SUPPLY). |
5 | NO. 1 AND 2 WB PUMP DISCH NR DIA 350 MM |
6 | TO FABRICATE AND RENEW THE NR FLAP OF MATERIAL SS |
7 | AFT PEAK BUTERFLY WAFERV/V TO BE REMOVED SERVICED PRESSURE TESTED 8 KG/SQ CM AND FITTED BACK. IF REQUIRED SEAT RING TO BE RENEWED. NO.1 |
8 | NO.3 HOLD BALLAST LINE, V/V S AND BLANK TO BE OPENED, OVERHALED INSPECTED AND FITTED BACK. |
9 | N/R VALVE IN HOLD BILGES 14 NOS. TO BE DISMANTLED, REMOVED TO THE WORKSHOP, CLEAN/OVERHAULED, RUBBER RINGS RENEWED, DESHAPED/FACE PLATE POLISHED/ RENEWED TO ACHIEVE WATER TIGHTNESS AND PRESSURE TESTED AT 5KG/CM2 BEFORE FITTING BACK. |
10 | TOTAL 4 NOS GLOBE V/V FOR DRAFT GAUGE SYSTEM TO BE REMOVED OVERHAULED AND PRESSURE TESTED SIZE 8 KG/CM2 FITTED BACK.SAME TO BE SHOWN TO CLASS SURVEYOR BEFORE FITTING BACK IN PLACE. |
11 | 21 NO. OF BALAST VALVE IN E/R TO BE OPENED AND OVERHAULED TO CHECK WEAR AND TEAR. BALLAST ANDCARGO BILGEEDUCTOR NOZZLES TO BE REMOVED, O/HAULED,IF REQUIRED RENEWED AND FITTED BACK. |
12 | AFTER FITTING ALL THE DB’S VALVE BALLAST LINE(TST ABDDB’S), F.P.K , NO.3 HOLD TO BE PRESSURE TESTED TO THE SATISFACTION OF ATTENDING SURVEYORS (QUOTELUMPSUM) |
13 | TOP SIDE WATER BALLAST TANK BLOCK MANIFOLD TO RENEW |
14 | VALVES : ACCOMMODATION/DECK PIPE LINES AND VALVES O/HAULING |
15 | TO OVERHAUL AND PRESSURE TEST ISOLATION VALVES FOR DECK AND ACCOMMODATION ON FIRE LINE GATE VALVE SIZE 125 MM - ALL THE RENEWALS SUCH AS SPINDLE GATE,GLAND TO BE CONSIDERED. NO EXTRA QUOTE UPON DISMANTLING ALLOWED. |
16 | MANUAL VALVES FOR DECK COMPRESSED AIR LINE TO BE OVERHAULED AND FITTED ALONG WITH THE ADAPTOR FOR CONNECTING WITH AIRHOSES30 NOS. SIZE FOR 15 MM OD.PHOTS ATTACHED |
17 | DRAINAGE SYSTEM INSIDE ACCOMMODATIONTO BE CLEANEDANDRENEWED AS REQUIRED. |
18 | MANUAL GLOBE VALVES 8 NOS IN FOREPEAK STORE TO BE OPENED , OVERHAULED AND FITTED BACK.THE QUOTE SHALL BE ALL INCLUSIVE OF RENEWAL OF SPINDLE,SEAT MACHINING, VALVE LID ETC. |
19 | SUPPLY AND FIT THEANCHOR WASH GLOBE VALVE ON FOCASTLE DECK, VENDOR SUPPLY SPECIFICATION: |
20 | DRAIN VALVE TO BE OVERHAULED.(16K 25) |
21 | SEA SUCTION VALVES IN E/R (SURVEY) |
22 | TYPE / CAPACITY / DETAILS - |
23 | THE FOLLOWING SEA INJECTION VALVES TO BE OPENED UP IN PLACE FOR O’HAULING. ALL PARTS TO BE CLEANED & INSPECTED FOR CORROSION / WEARDOWN / DAMAGE. ALL WORN / DEFECTIVE VALVES / PARTS TO BE RENEWED WITH CLASS APPROVED TYPE (SHIP SUPPLY).ALL GROOVES ON THE ON THE V/V SEATS AND V/V LIDS,IF FOUND PITTED.TO BE TRANSPORTAED TO YARD,S WORKSHOP,SKIMMED AND TRANSPORATED BACK TO SHIP.VALVES TO BE GROUND ON THE SEATS.BLUE IMPRESSION OF VALVE SEATS AND VALVES LIDS TO BE SHWON TO CEO/2EO/SURYEOR.ALL VALVES TO BE PRESSURE TESTED AND PRESENTED TO SURVEYORS & AFTER THEIR APPROVAL ALL V/V"S TO BE ASSEMBLED USING NEW JOINTS & PACKINGS DULY APPROVED BY 2EO/CEO(JOINTS & PACKINGS VENDOR SUPPLY).ALL VALVE CASING INTERNALLY SCRAPPED,CLEANED & EPOXY COATED.COMPLETE SEA INJECTION TUBE BETWEEN HIGH SEA CHEST AND LOW SEA CHEST TO CLEAN INTERNALLY BY SEPARATING FROM THE FLANGES,V/V BODIES & V/V COVERS TO BE GAUGED(MIN. 20 POINTS) ULTRASONICALLY & REPORT TO BE SUBMITTED. QUOTE FOR VALVES OVERHAULING TO BE INCLUSIVE OF ALL REPAIR TOOLS,CONSUMABLES, NEW JOINTS AND PACKINGS , MANPOWER , TRANSPORTATION ETC. |
24 | LOW SEA CHEST |
25 | MAIN SEA SUCTION V/V BEFORE FILTERDN500 BUTTERFLY . |
26 | MAIN SEA SUCTION V/V AFTERFILTERDN 500 BUTTERFLY. |
27 | AIR VENT VALVE . DN DN 80GATE |
28 | STEAM BLOW OFF VALVE .DN 20GLOBE |
29 | COMPRESSED AIR BLOW OFF V/V . DN 20 GLOBE |
30 | COMMON V/V FOR STEAM /COMPRESSED AIR BLOW OFF DN 20 GLOBE . |
31 | AIR VENT V/V FOR FILTER . 100 MMGLOBE |
32 | HIGH SEA CHEST |
33 | MAIN SEA SUCTION V/V BEFORE FILTER DN500BUTTERFLY |
34 | MAIN SEA SUCTION V/V AFTERFILTERDN 500 BUTTERFLY |
35 | AIR VENT VALVEDN DN 80GATE |
36 | STEAM BLOW OFF VALVE DN 20GLOBE |
37 | COMPRESSED AIR BLOW OFF V/VDN 20 GLOBE |
38 | COMMON V/V FOR STEAM /COMPRESSED AIR BLOW OFFDN 20 GLOBE |
39 | AIR VENT V/V FOR FILTER100 MMGLOBE |
40 | EMERGENCY SEA CHEST |
41 | SEA SUCTION VALVE(ANGLE) DN-125 MM |
42 | EMERGENCY FIRE P/P DISCHARGE V/V DN100 GLOBE |
43 | OVERBOARD DISCHARGE VALVES (SURVEY) |
44 | TYPE / CAPACITY / DETAILS: |
45 | THE FOLLOWING OVERBOARD TO BE OPENED UP IN PLACE FOR O’HAULING. ALL PARTS TO BE CLEANED & INSPECTED FOR CORROSION / WEARDOWN / DAMAGE. ALL WORN / DEFECTIVE VALVES / PARTS TO BE RENEWED WITH CLASS APPROVED TYPE (SHIP SUPPLY).ALL NUT BOLTS TO BE RENEWED WITH SS BOLTS . ALL GROOVES ON THE ON THE V/V SEATS AND V/V LIDS,IF FOUND PITTED.TO BE TRANSPORTAED TO WORKSHOP,SKIMMED AND TRANSPORATED BACK TO SHIP.VALVES TO BE GROUND ON THE SEATS.BLUE IMPRESSION OF VALVE SEATS AND VALVES LIDS TO BE SHWON TO CEO/2EO/SURYEOR.ALL VALVES TO BE PRESSURE TESTEDAND PRESENTED TO SURVEYORS & AFTER THEIR APPROVAL ALL V/V"S TO BE ASSEMBLED USING NEW JOINTS & PACKINGS DULY APPROVED BY 2EO/CEO(JOINTS & PACKINGS VENDOR SUPPLY).ALL VALVE CASING INTERNALLY SCRAPPED,CLEANED & EPOXY COATED.QUOTE FOR VALVES OVERHAULING TO BE INCLUSIVE OF ALL REPAIR TOOLS,CONSUMABLES, NEW JOINTS AND PACKINGS , MANPOWER , TRANSPORTATION ETC. |
46 | MAIN SEA COOLING WATER OVERBOARD V/V STBD GLOBE V/V DN-300 MM |
47 | FIRE& BILGE G.S.GLOBEDN- 250MM |
48 | BALLAST OVBD(FOR STBD SIDE TANKS)DN-350 ANGULAR |
49 | BALLAST OVBD(FOR PORT SIDE TANKS)DN-350 GLOBE |
50 | EJECTOR P/P DISCHAGRE OVBD V/VDN-100GLOBE |
51 | COOLING WATER OVBD V/VDN 100GLOBE |
52 | BILGE WATER SEPARATOR OVERBOARD DISCH. V/V GLOBEDN -50 MM |
53 | BILGE & BALLAST EDUCTION DISCH OVBD STBDGLOBE DN -125MM |
54 | BILGE & BALLAST EDUCTION DISCH OVBD PORT GLOBE DN -150MM |
55 | BOILER BLOW DOWN OVBD V/VDN 40 GLOBE |
56 | SEWAGE GREY WATER DISCH.OVBD V/V DN 150,GATE |
57 | INTERMEDIATE SEA WATER VALVES |
58 | TYPE / CAPACITY / DETAILS: |
59 | TO REMOVE FOLLOWING INTERMEDIATE VALVES FROM PLACE & TRANSPORTED TO YARD WORK SHOP FOR CLEANING; INSPECTION & OVERHAUL. ALL VALVES TO BE DISMANTLED. ALL PARTS TO BE CLEANED & INSPECTED FOR CORROSION; WEARDOWN & DAMAGE IN THE PRESENCE OF 2EO / CEO. ALL WORN / DEFECTIVE VALVES / PARTS TO BE RENEWED WITH CLASS APPROVED TYPE (VENDOR SUPPLY).ALL NUT BOLTS TO BE RENEWED WITH VENDOR SUPPLIED SS BOLTS.ALL VALVE BODIES TO BE THOROUGHLY CLEANED INTERNALLY. ALL GROOVES ON THE ON THE V/V SEATS AND V/V LIDS TO BE SKIMMED LIGHTLY & VALVES TO BE GROUND ON THE SEATS.BLUE IMPRESSIONS TO BE TAKEN FOR THE VALVE LIDS & VALVE SEATS & SHOWN TO 2EO/CEO.VALVE BODIES TO BE INTERNALLY PAINTED WITH TWO COATS OF EPOXY OR VALVE BODIES TO BE PAINTED EXTERNALLY(PAINTS VENDOR SUPPLY).VALVE SPINDLES TO CHECK FOR FREE OPERATION.VALVE LOCKINGS TO CHECK.BUTTERFLY VALVES SEAT RINGS TO CHECK FOR DAMAGE/DEFORMATION.DAMAGED/DEFORMATED SEAT RINGS TO BE RENEWED(YARD SUPPLY).B"FLY VALVES OPERATING GEAR MECHANISM & V/V LOCKINGS TO CHECK & RECTIFY THE DEFECTS.DEFECTIVE PARTS TO RENEW(VENDOR SUPPLY). VALVES TO BE PRESSURE TESTED AND SHOWN TO SURVEYOY . ALL V/VS TO BE BOXED BACK AS THE ORIGINAL USING NEW JOINTS &PACKINGS(VENDOR SUPPLY)CORRECT ALIGNMENT OF BUTTER FLY V/VS TO CHECK.ALL V/VS TO BE PRESSURE TESTED. QUOTE FOR VALVES OVERHAULING TO BE INCLUSIVE OF ALL REPAIR TOOLS,CONSUMABLES, NEW JOINTS AND PACKINGS , MANPOWER , TRANSPORTATION ETC. |
60 | MAIN SEA WATER P/P #1 & #2 & #3 INLET/OUTLET VALVE ND 250 MM BUTTERFLY VALVE |
61 | SEA WATER RECIRCULATION VALVEPCD 310MM BUTTERFLY VALVE |
62 | LI COOLERS S.W. IN/OUT AND BACK FLUSH IN/OUT V/V DN 250BUTTERFLY V/V |
63 | EJECTOR PUMP SUCTION VALVEPCD 180MM BUTTERFLY |
64 | EJECTOR PUMP DELIVERY LINEDN100 MMGLOBE |
65 | INTERMIDITAEV/V B/W EJECTOR P/P DIS LINE AND FIRE/GS P/PND80 MM GLOBE |
66 | FIRE& G.S P/P TOFIRE MAINDN 150 MMBUTTERFLY |
67 | FIRE& G.S P/P TOFIRE MAINDN 150 MMBUTTERFLY |
68 | FIRE & GS P/P TO OVERBOARD DN200 BUTTERFLY |
69 | FIRE & GS P/P TO OVERBOARD DN200 BUTTERFLY |
70 | EMERGENCY FIRE PUMP OUTLET VALVE DN 100 MMGLOBE |
71 | FIRE & G.S. PUMP TO/FRM SLOPE & SEWAGE TAK V/V DN150BUTTERFLY |
72 | BILGE & G.S. PUMP TO/FRM SLOPE & SEWAGE TAK V/V DN150BUTTERFLY |
73 | FIRE & G.S. PUMP TO AFT PEAK TKDN200 BUTTERFLY |
74 | BILGE & G.S. PUMP TO AFT PEAK TKDN200 BUTTERFLY |
75 | CARGO HOLD BILGE STRIPPING EDUCTOR DRIVE VALVEDN80GLOBE |
76 | CARGO HOLD BILGE STRIPPING EDUCTOR INLET VALVEDN125GLOBE |
77 | CARGO HOLD BILGE STRIPPING EDUCTOR DISCHARGE VALVEDN125GLOBE |
78 | NO.1 BALLAST STRIPPING EDUCTOR DRIVE VALVE DN80 GLOBE |
79 | NO.1 BALLAST STRIPPING EDUCTOR INLET VALVE DN125 BUTTERFLY |
80 | NO.1 BALLAST STRIPPING EDUCTOR DISCHARGE VALVE DN125 BUTTERFLY |
81 | NO.2 BALLAST STRIPPING EDUCTOR DRIVE VALVE DN80 GLOBE |
82 | NO.2 BALLAST STRIPPING EDUCTOR INLET VALVE DN125 BUTTERFLY |
83 | NO.2 BALLAST STRIPPING EDUCTOR DISCHARGE VALVE DN125 BUTTERFLY |
84 | AFTER PEAK TANK BALLAST VALVE PCD 300 MM BUTTERFLY |
85 | FIRE & G.S. P/P SUC FROM SEA MAIN DN 200 BUTTERFLY |
86 | BILGE & G.S. P/P SUC FROM SEA MAIN DN 200BUTTERFLY |
87 | FIRE & G.S. P/P SUC FROM BILGE MAINDN 200 BUTTERFLY |
88 | BILGE & G.S. P/P SUC FROM BILGE MAIN DN 200BUTTERFLY |
89 | FIRE & G.S. P/P SUC FROM F.W. WASHING TANK.DN 150BUTTERFLY |
90 | FIRE & G.S. P/P SUC FROM F.W. WASHING TANKDN 150 BUTTERFLY |
91 | MSW P/P DISCHARGE SIDE NRVDN250 NRV |
92 | NO.1 BALLAST STRIPPING EDUCTOR INLET SIDE NRVDN125 NRV |
93 | NO.2 BALLAST STRIPPING EDUCTOR INLET SIDE NRVDN125 NRV |
94 | FIRE & G.S PUMP DISCHAGRE SIDE NRVDN200 NRV |
95 | BILGE & G.S PUMP DISCHAGRE SIDE NRVDN200NRV |
96 | BILGE & G.S PUMP DISCHAGRE TO AFT PEAK TANK.NRV DN200NRV |
97 | BILGE & G.S PUMP DISCHAGRE TO AFT PEAK TANKNRVDN200 NRV |
98 | FIRE & GS PUMP TO FIRE MAIN LINE NRVDN150 NRV |
99 | BILGE & GS PUMP TO FIRE MAIN LINE NRV DN150 NRV |
100 | CARGO HOLD BILGE STRIPPING EDUCTOR INLET SIDE NRV DN25NRV |
101 | ATM CONDENSOR |
102 | STEAM TO DUMP CONDENSER INLET & OUTLET V/VSDN 50GLOBE |
103 | AUTO DUMP VALVEDN40GLOBE |
104 | MANUAL DUMP VALVEDN65 GLOBE |
105 | ATMCONDENSOR INLET/OUTLETDN65 GLOBE |
106 | STEAM TO CONDENSOR DN32GLOBE |
107 | LT FRSH WATER INLET/OUTLET TO CONDENSOR PCD205 GLOBE |
108 | LT COOLER FRESH WATER INLET/OUTLETDN250 BUTTERLFY |
109 | FRESH WATER GENERATOR JACKET INLET DN100 GLOBE |
110 | FRESH WATER GENERATOR JACKET OUTLETPCD100 BUTTERFLY |
111 | TECHNICAL WATER HYDROPHORE |
112 | HYDROPHORE DISCHARGEDN40 GLOBE |
113 | DISCHARGE TO MAIN DECKDN32GLOBE |
114 | HYDROPHORE SUCTION/DISCHARGEDN50ANGULAR |
115 | STBD/PORT TANKS SUCTION VALVEDN50 GLOBE |
116 | CHARGINGAIR INLET VALVE .DN15GLOBE |
117 | HYDROPHORE DRAIN VALVEDN32 GLOBE |
118 | INTERCONNECTION VALVEDN50 GLOBE |
119 | FRESH WATER HYDROPHORE |
120 | DISTILLATE TANK SUCTION DN32GLOBE |
121 | HYDROPHORE DISCHARGE DN32GLOBE |
122 | CHARGINGAIR INLET VALVE DN15GLOBE |
123 | HYDROPHORE PUMP SUCTION/DISCARGE DN32 ANGULAR |
124 | BILGE(DAILY)TRANSFER PUMP |
125 | SUCTION FROM BILGE MAIN DN65ANGULAR |
126 | SUCTION FROM BILGE HOLDING TANKDN65 ANGULAR |
127 | DISCHARGE TO BILGE HOLDING TANKDN65ANGULAR |
128 | BILGE WELL PORT/STBD/AFT SUCTION PCD180 BUTTERFLY |
129 | SLUDGE PUMP |
130 | DISCHARGE TO SHOREDN65GLOBE |
131 | DISCHARGE TO INCINERATORDN65 GLOBE |
132 | DISCHARGE TO PURIFIER SLUDGE TANKDN65 GLOBE |
133 | INLET FROM WASTE OIL TANKDN65ANGULAR |
134 | INLET FROM FUEL OIL DRAIN TANK DN65GLOBE |
135 | INLET FROM SLUDGE TANKDN65GLOBE |
136 | OBS PUMP |
137 | SUCTION FROM BILGE HOLDING TANKDN65 GLOBE |
138 | SUCTION FROM BILGE MAINDN65 GLOBE |
139 | 3 WAY VALVE FOR SIMULATION. COCK |
140 | STEAM V/VS |
141 | H.F.O SETTLING TANK 1 STEAM INLET V/VDN25 STOP V/V |
142 | H.F.O SERVICE TANK 1 STEAM INLET V/VDN25 STOP V/V |
143 | NO.1 STBD,BUNKER TANK STEAM INLET V/VDN25STOP V/V |
144 | CALORIFIER"S STEAM V/V AT STEAM DISTRIBUTORDN25STOP V/V |
145 | HO/LO PURIFIER HEATER STEAM INLET V/V DN25 STOP V/V |
146 | SEA WATER FILTERS |
147 | TYPE / CAPACITY / DETAILS: |
148 | FOLLOWING FILTERS TO OPEN; CLEAN AND BOX BACK WITH NEW GASKETS. PURGING V/VS OF FILTER COVERS (35mm DIA) TO OVERHAUL.FILTER ELEMENT TO RENEW WITH STAINLESS STEEL PERFORATED SHEET OF 6 MM THICKNESS; IF FOUND DAMAGED. FILTER CHAMBER TO BE APPLIED WITH 3 COAT OF EPOXY |
149 | FILTER DRAIN COVERS TO OPEN; COVER HOLDING STUDS (6 NO. × 5/8 DIA) TO BE REPLACED WITH G.I. STUDS AND NUTS AND COVERS TO FIT BACK WITH NEW PACKINGS FOR ITEM NOS. 01 TO 08. FILTER FOUNDATION BOLS SS MATERIAL TO BE RENEWED |
150 | MAIN HIGH SEA & LOW SEA SUCTION LINE FILTERS2 NOS. SIZE OF FILTER ( 860 MM DIA*1100MM HEIGHT) TO RENEW |
151 | EJECTOR PUMPSUCTION FILTER OF SIZE222 MM DIA * 750 MM HEIGHT TO RENEW |
152 | FILTER FOR EMC"Y FIRE P/P 270 MM DIA* 370 MM HEIGHT TO RENEW |
153 | STORM VALVES |
154 | WORK SPECIFICATIONS: |
155 | FOLLOWING STORM VALVES ARE TO BE OPENED UP; FOR OVERHAULING IN WORKSHOP. VALVES SEATS TO BE GROUND; LAPPED AND INTERNAL CASING TO BE CLEANED AND PAINTED WITH APEXIOR NO.3 (vendor SUPPLY). VALVES TO BE PRESENTED FOR SURVEY. NEOPRENE LEATHER PADS AND BRASS RETAINER RINGS ARE TO BE RENEWED. ON COMPLETION OF OVERHAULING VALVES TOBE FITTED BACK WITH YARDS SUPPLYNUTS/BOLTS AND PACKING. ALL SPARE vendor SUPPLY. |
156 | GREY WATER O"BOARD (P & S) STORM V/V 10K 125A |
157 | SEWAGE DIRECT O"BOARD STORM V/V 10K 150A |
158 | TO OVERHAUL ALL FIRE HYDRANTS ON MAIN DECK . MACHINERY SPACES AND IN ACCOMODATION IF REQ TO CHANGE WITH NEW(SHIP SUPPLY) VALVE |
159 | ALL FIRE HYDRANTS NEWCAPS TO FITTED AND SECURED WITH CHAIN, MATL vendor SUPPLY |
160 | TO RENEW AIR LINE AND VALVES ON MAIN DECK , ACCOMMODATION DECK,MONKEY ISLAND & FOREMAST. PIPE SIZE 1 INCH |
161 | TO RENEW FRESH WATER LINE ANDVALVES ON MAIN DECK AND ACCOMMODATION DECK, PIPE SIZE 1.5 INCH DIA |
162 | DRAIN VALVE TO BE OVERHAULED.(16K 25) |
163 | FIRE LINEFOREC’SLE & BRIDGE WING PRESSURE GAUGES TO BE FITTED WITH NEW BALL VALVE. SIZE- 3/8”. |
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