Offer for oil tanks |
| 02-14 11:40:27 来源： 作者： |
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Offer for oil tanks Inquiry (采购产品): Offer for oil tanks Dear Sir, WAMAR YEMEN LTD. CO. sends you best regards and with reference to the subject mentioned above, we want to express our interest to establish business cooperation. Here attached a request for sending us you offer for oil Storage Tanks. Please check in the file attached the specifications. Look forward to receiving your soon reply, Best Regards Zaianb Jaber F. Relation Dept. WAMAR YEMEN LTD. Haddah, Near Japanese Embassy. Sana'a, Republic of Yemen. Landline: + 967 1 432 888 Fax: +967 1 429 929 Yemen Cell: 00967771670440 E-mail: info@wamar-yemen.com Web: www.Wamar-Yemen.com PROJECT DIVISION-DESIGN DEPT. (1-15 ) REV.1 CONTENT :- 1- INTRUDECTION 2- GENERAL SPECIFICATION 3- SCOPE OF SUPPLY * INLET SYSTEM * OUTLET SYSTEM * RECYCLE SYSTEM * DRAIN &CLEAN OFF SYSTEM * DESLUDGING SYSTEM * FLARE SYSTEM * COOLING SYSTEM * SAFETY & RELIEF SYSTEM * FIRE – FIGHTING SYSTEM * RAIN WATER DRAIN SYSTEM *EXCITING SYSTEM 4- INSTRUMENTATION PACKAGE 5- ELECTRICAL & CATHODIC PROTECTION PACKAGE 6- CONSUMABLES LIST 7- MECHANICAL LIST 8- FOUNDATION AND CIVIL WORK DESIGN 9- DESIGN APPROVAL - BREAK DOWN - GENERAL CONDITION TO BE ADHERED TO BY CONTENDERS . (2-15 ) REV.1 1- INTRUDUCTION THE PACKAGE INCLUDE EIGHT NOS. OF FLOATING ROOF TYPE STORAGE TANK 58,000 m3 CAPACITY EACH FOR CRUDE OIL , DESIGN AND PREFABRICATED ACCORDING TO API650, LAST EDITION. THE SCOPE OF WORK SHALL INCLUDE SUPPLY OF TANKS MATERIALS TO BE PREFABRICATED READY FOR LOCAL ERECTION, AND ALL RELEVANT FACILITIES , INCLUDING DESIGN AND FABRICATION DRAWINGS PLATES AND STRUCTURES, PIPING, FITTINGS, VALVES, FLEXIBLE JOINTS, INSTRUMENTATION, FIRE FIGHTING AND &ALL FACILITIES TO INSURE SAFE AND PROPER OPERATION OF TANKS , TANK ERECTION , JIGS, HOISTS… ETC, PROCUREMENT OF MATERIALS AND EQUIPMENTS CIF UM QASER. WITH NEW ACTIVE EXCITING SYSTEM TO AVOID SLUG ACUMULTING ON TANK BOTTOM. THE BOUNDARY LIMITS OF SUPPLY SHALL BE WITHIN 50 M FROM TANK SHELL FOR PIPING, AND 500 METERS FOR INSTRUMENT AND ELECTRICAL CABLING THE FOLLOWING STANDARD SHALL BE CONSIDERED :- - TANK PLATE FOR SHELL, ROOF AND BOTTOM A516 G-70 - FLANGES A105 - N - PIPES A 106 - FITTINGS A 234 GR WPB - STRUCTURE A – 36 - STUDS & NUTS A 193 / 194 H 2- GENERAL SPECIFICATION :- DESIGN CODE API 650 LATEST ED. ROOF TYPE DOUBLE FLOATING ROOF CAPACITY 58 000 M3 TANK HIGHT (SHELL) 12,800 m CONTENTS CRUDE OIL TANK DI 76,250 m DESIGN TEMPRATURE (MAX / MIN ) 100 C / 5 C MAX WATER. LEVEL 1.5 M - API MAX/MIN 45- 20 CORROSION ALLOWANCE FOR BOTTOM & SHELL 3mm (MIN) AND FOR ROOF 1.5 mm (MIN) WATER CONTENT VOL.% 0.7 SALT CONTENT PPM 100 - 1000 - H2S CONTENT WT. 50 PPM CARBONE WT. % 5 POUR POINT -27 REID VAPOUR PR AT 100 F psi 13 - KINEMATIC VISCOSITY CST MAX/MIN AT 20 C 28.1 - 13.18 MAX/MIN AT 37.8 C 15.91 - 8.64 (3-15 ) REV.1 ENVIRONMENTAL CONDITION AMBIENT TEMP. : -5 , 60 °C HUMIDITY ( NOVEMBER TO MARCH ) : 80 - 90 MAX RAIN FALL PER DAY mm : 200 MAX WIND VELOCITY : 140 KM/HR WIND VELOCITY FOR DESIGN : 160 KM/HR SOIL BEARING : 3- SCOPE OF SYPPLY - DOUBLE DECK TYPE FLOATING ROOF. - ROOF SHALL BE OF THE CONTACT TYPE DESIGNED TO ELIMINATE THE PRESENCE OF ANY AIR-VAPOR MIXTURE UNDER THE DECK. - PONTOON OPENINGS SHALL BE PROVIDED WITH A LIQUID-TIGHT MANHOLE EACH COMPARTMENT SHALL BE VENTED TO PROTECT AGAINST INTERNAL OR EXTERNAL PRESSURE. - THE FLOATING ROOF SHALL BE SUPPLIED WITH ROLLING LADDER THAT AUTOMATICALLY ADJUSTS TO ANY ROOF POSITION . THE LADDER SHALL BE DESIGNED FOR FULL ROOT TRAVEL . - SUITABLE VENTS , BLEEDING VALVES SHALL BE PROVIDED TO PREVENT OVER STRESSING OF THE ROOF DECK OR SEAL MEMBRANE . - ROOF SHALL PROVIDED WITH TWO MANHOLE HAVING NOMINAL DIA. (OF 600 MM). - CENTERING & ANTIROTATION DEVICES SHALL BE PROVIDED & SHALL BE CAPABLE OF RESISTING THE LATERAL FORCES IMPOSED BY THE ROOF LADDER & WIND LOADS . - SEAL BETWEEN TANK’S SHELL & ROOF SHALL BE EMPLOYS STEEL SHOES IN CONTACT WITH SHELL MADE FROM GALVANIZED SHEET ACC. TO ASTM A 924 WITH NOMINAL THICKNESS OF 1.5 MM. - ROOF SHALL BE PROVIDED WITH GAUGE HATCH OR GAUGE WELL WITH A TIGHT CAP. - MUST BE PRE. FABRICATED IN BOXES AND EACH BOX SHALL BE CONTAIN ALL NECESSARY NOZZLES AND ALL ACCESSORIES - THE CONTRACTOR SHOULD TAKE UNDER HIS CONSIDERATION TRAINING OF AT LEAST 4 OF SOC ENGINEERS AT THE CONTRACTOR HEAD OFFICE , THIS ITEM MUST BE INCLUDED WITHIN THE CONTRACTOR COMMERCIAL OFFER AS SEPARATE ITEM. THE TANK SHALL INCLUDE THE FOLLOWING SYSTEMS : * INLET SYSTEM:- THIS SYSTEM INCLUDE, MANUAL VALVES, EXPANSION JOINTS, NOZZLE AND REINFORCEMENTS, SUPPORTS , FLANGES, ELBOWS AND PIPING WITH ALL ACCESSORIES UNTIL LIMITS OF SCOPE. * OUTLET SYSTEM :- THIS SYSTEM INCLUDE MANUAL VALVES, EXPANSION JOINTS , NOZZLE AND REINFORCEMENTS, SUPPORTS, FLANGES, ELBOWS AND PIPING WITH ALL ACCESSORIES UNTIL LIMITS OF SCOPE . * RECYCLE SYSTEM :- THIS SYSTEM INCLUDE A MANUAL VALVES, EXPANSION JOINT NOZZLE AND REINFORCEMENTS, SUPPORTS, , FLANGES, ELBOWS AND PIPING WITH ALL ACCESSORIES UNTIL LIMITS OF SCOPE . (4-15 ) REV.1 * DRAIN CLEAN OFF SYSTEM :- THIS SYSTEM INCLUDE A FLOW CONTROL VALVES, MANUAL VALVES EXPANSION JOINT NOZZLE AND REINFORCEMENTS, SUPPORTS, , FLANGES, ELBOWS AND PIPING WITH ALL ACCESSORIES UNTIL LIMITS OF SCOPE . * EXCITING SYSTEM :- THIS SYSTEM INCLUDE ELE. MIXERS, WITH ALL ACCESSORIES UNTIL LIMITS OF SCOPE . * DESLUDGING SYSTEM :- THIS SYSTEM SHOULD BE MECHANICAL , PRESSURIZED TYPE INCLUDING MANUAL VALVES EXPANSION JOINT NOZZLE AND REINFORCEMENTS, SUPPORTS, , FLANGES, ELBOWS AND PIPING WITH ALL ACCESSORIES UNTIL LIMITS OF SCOPE . * RAIN WATER DRAIN SYSTEM :- THIS SYSTEM SHOULD BE SUPPLY TO * SAFETY SYSTEM &RELIEF SYSTEM:- THIS SYSTEM INCLUDE MECHANICAL ( PRESSURE AND VACUUM ) VALVES AND HYDRAULIC ( PRESSURE AND VACUUM ) VALVES COMPLETE WITH ALL ACCESSORIES (NOZZLES, REINFORCEMENTS, FLANGES, GASKETS AND STUD BOLTS ) * TEST SAMPLING SYSTEM :- THIS SYSTEM INCLUDE VALVES NOZZLES COMPLETE WITH ALL ACCESSORIES AND SHOULD BE LOCATED AT EACH ONE METER OF HEIGHT AND DISTRIBUTED PARALLEL TO SPIRAL STAIRWAY ( VALVE SIZE 1? X 300? ). * DEEP HATCH : - IT SHOULD BE COMPLETE WITH ALL ACCESSORIES AND TO BE INSTALLED ON THE ROOF CLOSE TO SHELL . * HEAT SENSORS :- IT SHOULD BE COMPLETE WITH ALL ACCESSORIES, IT SHOULD BE OF NUEMATIC TYPE DISTIBUTED ON THE TANK ROOF AND CONNECTED WITH A SITE PANEL * COOLING SYSTEM:- - THE SYS. DESIGNED TO PERFORM COOLING ACTION TO THE TK – SHELL ABOVE AND UNDER THE AIR GIRDER BY RATE OF ( 5 LIT /MIN/M2) OF SHELL AREA - THE SYS. RING TO BE DESIGNED & CONSTRUCTED ACC. TO (API – 650 & NFPA) REQUIRMENT. ( FLANGED SEGMENT COUPLINGS OF WHOLE RINGS OF (6-10) MTR LENGTH - THE WATER SPRAYING NOZZEL TO BE OF ( UP – RIGHT ) TYPE BRASS MADE WITH OVERLAB COVER – AGE AREA - TO FACILATE SYS. MAINTENANCE THE FLANGED RING SEGMENT SHOULD EASY TO DESMANTEL FOR CHANGE OR RAPAIR (5-15 ) REV.1 - SUM OF (100 – 200 ) S/TIPS TO BY SUPPLIED FOR LATER MAINTENANCE & EXCHANGE - EACH COOLING RING RISER TO BY SUPPLIED WITH DRAIN VALVE (2") - EACH COOLING RING CONTROLLING VALVE SHOULD BE ALLOCATED OUT SIDE THE DICKE AREA FOR EASY ACCESS . * FIRE - FIGHTING SYSTEM :- A- DETECTION & FIRST ATTACK SYS. - EACH TANK SHOULD HAVE AUTOMATIC FIRE DETACTION SYS. INTEGRATED WITHEN AUTOMATIC FIRST ATTACK FIRE FIGHTING FUNCTION OF THE SYSTEM AS ( WET PIPE ) TOTAL FLOODING TYPE INCORPORATE ONE OF THE FOLLOWING TYPE OF ENVIRONMENTAL FRIENDLY FIRE AGENT ( CF3I / FE25 / FM 200) - THE ABOVE TYPE SHOULD BE SPECIFIED TO PROTECT WHOLE ( RIM – SEAL ) AREA AS IT THE MAIN FIRE RISK ZONE OF EACH TANK AT THE VERY BEGINNING TIME OF FIRE SETOUT . - THE ABOVE SYS. SHOULD BE DESIGNED & BUILT ACC. TO NFPA-12 STANDERD THIS SYS. TO ACT AS FIRE DETECTION SYS . BY ITS STORED PRESSURE MEDIA - THE SYS. FOR EACH TANK TO BE SUPPLIED WITH BULKY FIRE AGENT LIQUID GAS AND TO BE CHARGED DURING CONSTRUCTIN UNDER CONTRACTOR SUPERVISON & AMOUNT OF 100% RESERVE QUANTITY TO BE SUPPLIED IN EXCESS FO RECHARGE NECESSITY - ALL SYS.COMPONENT TO BE SUPPLIED PREFABRICATED SUCH AS (SPRINKLERS , SPRINKLER TIPS, AGENT CYLINDERS , FITTING , EXD 11B- ELECTRICAL ENCLUSER ,.ECT) B- FIXED FOAM COMPATING SYS. - THIS SYS.IS NECESSARY TO EXTINGUSHING THE TANK FIRE AFTER THE ABOVE SYS. BEING FAILD OR CAN'T |
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