1. Trang chủ
  2. » Tất cả

C5-05 Technical Design Plan-basic-ThanhX Tieu chuan ap dung cho nha may dam

23 5 0

Đang tải... (xem toàn văn)

Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống

THÔNG TIN TÀI LIỆU

Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work 5.0 BASIC ENGINEERING DESIGN DATA 5.1 General 5.2 Measurement unit 5.3 Code & Standard 5.4 Climatic condition 5.5 Raw material, Product, Chemical, Catalyst, waster and utilities specification 5.6 Documents Code 5.7 Engineering standard and specifications 5.8 Project forms 5.9 Reference levels 5.10 Soil Report Page of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work 5.1 General Project number WEC: 07078 Name of Owner: PETROVIETNAM Plant name: Ca Mau Fertilizer Plant Plant location: Khanh An Commune, U Minh District, Ca Mau Province, Vietnam Owner references of project: ITT NO 45/2007-F/CPMB-EPC Language: English The plant will be divided into units as follows: Ammonia unit Urea unit Utilities Offsites Others Please refer to ATTACHMENT project WBS for each unit number 5.2 Measurement systems In principle the measurement system will be S.I Most of calculation, measurement Units will be consistency performed by S.I system unless otherwises specified However the specific following selections shall be made: (1) Piping standardization ASME (2) Piping nominal diameter Inches (", in) (3) Piping thickness Schedule (4) Insulation thickness Millimeters (mm) (5) Temperature Centigrade/Kelvin (~C, ~K) (6) Capacity Cubic meters (m3) (7) Linear dimensions Meters and millimeters (m, mm) (8) Pressure MPa, kPa, bar (bar) (9) Liquid flow-rate m3/h, l/h, and kg/h (10) Weight kg (11) Surfaces m2 (12) Density kg/m3 (13) Gas and vapour flow-rate Nm3/h, kg/h (14) Steam flow-rate kg/h Page of 23 Ca Mau Fertilizer Plant (15) Energy (16) Power EXHIBIT 1–Scope of work kWh, kJ, GJ kW, kVA 5.3 Codes and Standards Performance of the Contract shall be in conformity with the latest revision of the applicable sections of the Codes and Standards at Contract signature date, local laws, or accepted engineering practice, as here below listed Any conflict between following documents this priority order will be applied: - Licensors’ specification or application Codes, - International Codes and Standards, - Vietnamese Norms and Standards, - Manufaturer’s Standards, - Engineering practice 5.3.1 Pressure vessels: ASME VIII Div or Div.2, 2004+add Pressure vessels 2006 ASME VIII Div 1,2004+add 2006 Column ASME VIII Div 1,2004+add 2006 Reactor (except below) TEMA Class R Ed., 1999 ASME VIII Div.1,2004+add 2006 Heat Exchanger (L.P and M.P) TEMA Class R Ed., 1999 Urea Stripper ASME VIII Div.1 or Div 2, 2004+add Urea Reactor 2006 Carbamate condenser or AD Merkblätter Carbamate Separator or EN 13445 TEMA Class R Ed., 1999 Ammonia Separator ASME VIII Div or Div.2,2004+add 2006 Ammonia Synthesis Converter H.P Heater Exchangers H.P Separator API 650,10Ed., 1998 API 620,9Ed., 1996 Storage Tank The following codes shall be compiled with (as applicable) : ASME Sect II Materials Specification ASME Sect V,2004+add 2006 Non Destructive Examination ASME Sect IX,2004+add 2006 Welding Page of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work 5.3.2 Furnaces/Heaters The following codes shall be applied: ASME Sect II Materials specification API Std.560 Ed., 2001 Fired heaters for general refinery services API RP 530 Ed., 1996 Calculation of Heater ASME/ANSI B.31.3,2000 Chemical plant and petroleum refinery piping AISC e UBC Structure calculation API 573 Ed., 1991 Inspection of fired heater 5.3.3 Waste Heat Boilers for Ammonia Plant TEMA Class R, Ed,1999, ASME,VIII Div.1 or 2,2004+add 2006 or AD Merkblätter or EN 13445 Heat Exchangers, and Superheaters ASME, VIII Div.1 or 2,2004+add 2006 or A.D.Merkblätter or EN 13445 Drum ASME Sect II Materials specification ANSI B 31.3, 1999;B 16.5, 1996 or A.D.Merkblätter Integral pipework, Valves, Connections, etc 5.3.4 Auxiliary Boiler ASME VIII Div 1,2004+add 2006 Pressure Parts(including Steam Drum) ASME Sect II Materials specification ANSI B 31.1,2001 Piping ASME PTC 4,1998 Applicable to performance test (simplified heat losses method) 5.3.5 Steam Turbine Generator API 6124 Ed., 1995 With relevant exceptions 5.3.6 Cooling Towers Page of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work C.T.I /BS 4485 Design of Cooling Towers C.T.I.ATP 105 Acceptance Test ASTM Materials 5.3.6 Machinery API 610 or Ed., 1995 Centrifugal process pumps MFR’s Standard Pumps in specific applications or utility service API 611 4Ed 1997 General purpose steam turbines for refinery sevices API 612 Ed., 1995 Special purpose steam turbines for refinery sevices API 613 or Ed., 1999 Special purpose gear units for refinery turbocompressors and gas turbine only) API 614 Ed., 1999 Lubrication, shaft-sealing and control oil systems for special purpose applications (for turbocompressors and gas turbine only) API 617 Ed centrifugal compressor for general refinery services API618 4Ed.,1995 Reciprocating compressors for general refinery services Non-contacting vibration and axial position monitoring Systems API670 4Ed.,2000 API671 3Ed.,1998 Special purpose couplings turbocompressor application ANSI B 73.1 M,1991 Horizontal End Suction Centrifugal Pump ISO2858 Latest edition Light duty horizontal pump under 16bar( for non-process) API672 3Ed.,1996 Integrally geared compressors API674 2Ed.,1995 Reciprocating pumps in process service API675 2Ed.,1994 Reciprocating pumps (controlled volume) API 673-2002 Special purpose fan for refinery sevices ASME,Sect Vlll,2001 Machinery pressure vessels & steam condenser TEMA R Ed.,99 Compressors intercoolers TEMA C Ed.,99 Oil coolers H.E.I 9Ed.,1995 Steam condensers and ejector ASME/ASTM or DIN Materials F.E.M.and ANSI Overhead travelling cranes and hoists Mfr.Standards Prilling buckets support and rotary scraper 5.3.8 Piping Page of 23 for refinery services(for services on Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work 5.3.8.1 ANSI Standards ASME/ANSI B 16.1, 1998 “Cast iron pipe flanges and flange fittings” ASME/ANSI B 16.9, 2001 “Factory-Made Wrought Steel Buttwelding fittings” (1986) ASME/ANSI B 16.10, 2000 “Face-to-Face and End-to-End Dimensions of Ferrous Valves” (1986) ASME/ANSI B 16.11, 1996 “Forged Steel fitting Socket-Welding and Threaded” (1991) ASME/ANSI B 16.20, 1998 “Metallic Gaskets for Pipe Flanges Spiral-Wound and Jacketed” (1993) ASME/ANSI B 16.21, 1992 “Non-Metallic Flat Gaskets for Pipe Flanges” (1992) ASME/ANSI B 16.25, 1997 “Buttwelding Ends” (1986) ASME/ANSI B 16.34, 1996 “Valves-Flanged, Threaded and Welding Ends”1988) ASME/ANSI B 16.47, 1998 “Large Diameter Steel Flanges : NPS 26 through NPS 60 (1990), Addenda (1991) ASME/ANSI B 18.2.1, “Square & hex bolts & nuts screw inch series” 1996/B 18.2.2, 1997 5.3.8.2 ISO Standards ISO 261, 1998 “ISO General Purpose Metric screwed Threads General Plant” (1973) ISO 5167, 1991 “Measurement of Fluid Flow by means of Orifice Plates and Nozzle” (1980) ISO 2858, 1975 “End Suction Centrifugal Pumps (rating 16 bar) (1975) 5.3.8.3 ASME Codes ASME Sect II Part A, 2001 “Material Specifications” (1992) ASME Sect II Part C, 2001 “Material Specifications for welding rods, electrodes and filler metals” (1992) ASME Sect II Part D, 2001 “Materials Properties” (1992) ASME Sect IX, 2001 “Welding and Brazing qualification” (1992) 5.3.8.4 Joined Standards Page of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work ASME/ANSI B 16.3, 1998 “Malleable Iron Threaded Fittings” (1985) ASME/ANSI B 16.5, 1996 “Pipe flanges and Flanged Fittings” (1988) ASME/ANSI B 36.10M, 2000 “Welded ans Seamless Wrought Steel Pipe” (1985) ASME/ANSI B 36.19M, 1985 “Stainless Steel Pipe” (1985) ASME/ANSI B 1.20.1, 1983 “Pipe threads, General Purpose” (1983) ASME/ANSI B 73.1M, 1991 “Specification for Horizontal End Suction Centrifugal Pumps for Chemical Process” (1984) ASME/ANSI B 31.1, 2001 “Power Piping” (1992) ASME/ANSI B 31.3, 1999 “Chemical Plant and Petroleum Refinery Piping” (1990-1992 Addenda) ASME Section V, 2001 “Non Destructive Examination” (1992) 5.3.8.5 API Codes API 6A 17 Ed.,1999 Specification for threads in Valves, Fittings and Flanges API 590 Ed., 1985 Steel line blanks API 594 Ed., 1997 Wafer & wafer-lug check valves API 599 Ed., 1994 Steel plug valves, flanged and butt welding ends API 598 Ed., 1996 Valve Inspection and Test API 600 10 Ed., 1997 Steel Gate Valves (Flanged & Butt weld Ends) API 601 replaced by ASME Metallic gaskets for piping 16.20, 1998 API 605 replaced by ASME Large diameter carbon steel flanges 16.47, 1998 API 602 Ed., 1998 Compact carbon steel gate valves API 607 Ed., 1993 Fire test for soft seated quarter-turn valve API 609 Ed., 1997 Butterfly Valves Plug Type and Water Type 5.3 8.6 MSS (Manufacturer Standard Society) Codes SP 44 ed 1996 Steel pipe line flanges SP 72 ed 1999 Ball valve with flanged SP 80 ed 1997 Bronze gate, globe, angle & check valve SP 81 ed 2000 Stainless steel bonnetless, flanged, knife gate valve SP 88 ed 1999 Diaphragm type valves Page of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work 5.3 Electricity IEC 60031-4 Rotating electrical machines - Part 1: Rating and performance IEC 60038 IEC standard voltages IEC 60050-101 International electro technical Vocabulary - Part 101: Mathematic IEC 60076-1 Power transformer - Part 1: General IEC 60079 Electrical apparatus for explosive gas atmospheres IEC/TR3 60083 Plugs and socket-outlets for domestic and similar general use standardized in member countries of IEC IEC 60099-1 Surge arresters - Part 1: Non-linear resistor type gapped surge arresters for a.c systems IEC 61082-1 Preparation of document used in electro-technology - Part 1: General requirements IEC 60120 Dimensions of ball and socket couplings of string insulator units IEC 60317-0-1 Specifications for particular types of winding wires - Part 0-1: General requirements-Enameled round copper wire IEC 60227-1 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V - Part :General requirements IEC 60851-1 Methods of test for winding wires - Part 1: General requirements IEC 60255-3 Electrical relays - Part 3: Single input energizing quantity measuring relays with dependent or independent time IEC 60298 A.C metal-enclosed switchgear and control gear for rated voltages above kV and up to and including 52 kV IEC 60309-1 Plugs, socket - outlets and couplers for industrial purposes - Part 1: General requirements IEC 60331-11 Tests for electric cables under fire conditions - Circuit integrity - Part 11: Apparatus - Fire alone at a flame temperature of at least 750℃ IEC 60332 Tests for electric cables under fire conditions IEC 60364 Electrical installations of buildings Page of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work IEC 60383-1 Insulators for overhead lines with a nominal voltage above 1000V Part 1: Ceramic or glass insulator units for a.c systems - Definitions, test methods and acceptance criteria IEC 60433 Insulators for overhead lines with a nominal voltage above 1000V Ceramic insulators for a.c systems – Characteristics of insulator units of the long rod type IEC 60439 Low-voltage switchgear and control gear assemblies IEC 60529 Degrees of protection provided by enclosures (IP Code) IEC 61140 Protection against electric shock - Common aspects for installation and equipment IEC 60549 High-voltage fuses for the external protection of shunt power capacitors IEC 60871-4 Shunt capacitors for AC Power systems having a rated voltage above 1000 V - Part 4: Interam fuses IEC 60623 Vented nickel-cadmium prismatic rechargeable single cells IEC 60688 Electrical measuring transducers for converting a.c electrical quantities to analogue or digital signals IEC 60742(1983-01) Isolating transformers and safety isolating transformers Requirements IEC 60871-4 Electromagnetic compatibility (EMC) - Part 4-2: Testing and measurement techniques - Electrostatic discharge immunity test IEC/TR 60815 Guide for the selection of insulators in respect of polluted conditions IEC 60831 - Shunt power capacitors of the self-healing type for a.c systems having a rated voltage up to and including 1000 V - Part 1: General Performance, testing and rating - Safety requirements - Guide for installation and operation IEC 60871 - Shunt capacitors for a.c power systems having a rated voltage above 1000 V - Part 1: General – Performance, testing and rating – Safety requirements – Guide for installation and operation IEC 60896 Stationary lead-acid batteries IEC 60909 Shot Circuit current in three phase A.C System IEC 60947 Low-voltage switchgear and control gear Page of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work IEC 61089 Round wire concentric lay overhead electrical stranded conductors ISO 8528 Reciprocating internal combustion engine driven alternating current generating sets RP 500 (1991) Recommended Practice for Classification of Locations for electrical Installations at Petroleum Facilities RP 540 (1974) Recommended Practice for Electrical Installations in Petroleum Processing Plant 5.3.10 Noise Control API 521 Ed., 1997 Guide for pressure Relief and Depressuring Systems ISO 1996 Noise Measurement EEMUA 140 Noise Procedure Specification EEMUA 141 Guide to the use of EEMUA 140 OSHA 29 cfr part Occupational Noise Exposure 1910 5.3 11 Instruments Instruments are generally in accordance with ISA Standards and installation with IEC recommendations ISA S5.1-1989(R1992) instrument symbol and identification ISA S5.2 Binary Logic Diagrams for Process Operations ISA S5.3 Graphic Symbols for Distributed Control/Shared Display Instrumentation, Logic and Computer Systems ISA S5.4 Instrument Loop Diagrams ISA S5.5 Graphic Symbols for Process Displays ISA 18.1-1979 (R2004) Annunciator Sequences & Specifications ANSI/ISA (R1993) S51.1-1979 Process Instrumentation Terminology Page 10 of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work ISA S71 Environmental Conditions for Process Measurement and Control S ystems NFPA 72 National Fire Alarm Code IEC 60605 Equipment Reliability Testing IEC 61508 Functional Safety of Electrical/Electronic/Programmable Electronic Safety-Related Systems IEC 61000 Electromagnetic Compatibility (EMC) IEC 60529-1989 Degrees of Protection Provided by Enclosures (IP code) IEC 60584 Thermocouples IEC 60751 Industrial Platinium Resistance Thermometer Sensors ANSI / ISA S75.01 Flow Equations for Sizing Control Valves ANSI / ISA S75.02 Control Valve Capacity Test Procedure ANSI / ISA S75.03 Face-to-Face Dimensions for Flanged Globe-Style Control Valve Bodies ANSI B16.104 / FCI Control Valve Seat Leakage 70.2-2003 API 670-2000 Machinery Protection Systems API RP 550 Installation of Refinery Instruments and Control Systems ISO 5167.1-2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements ISO 5167.2-2003 Part 2: Orifice plates Page 11 of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work ISO 5167.3-2003 Part 3: Nozzles and Venturi nozzles ISO 5167.4-2003 Part 4: Venturi tubes EN 54 Part Fire Detection and Fire Systems Point Detectors Containing a Static Element 5.3.12 Corrosion Prevention NACE RP-02-1974 Recommended Practice High Voltage Electrical of Pipeline Coatings Prior to Installation NACE RP-0177-83 Recommended Preactice Mitigation of Alternating Current & Lighting on Metallic Structures NACE RP-0169-1992 Recommended Practice Control of External Corrosion On Underground or Submerged Metallic Piping System 5.3.13 Painting ASTM A123, 2000 ASTM 4585, D-714, D-968, D-2244, D3363, G87-97 ISO 8501-1, 1988 Specification for zinc (hot galvanised) coatings on products fabricated from rollered, pressed and forged steel shapes, plates, bars and strips Testing methods for metal cladding system Preparation of Steel Substrates before Application 1988 of Paints and Related Products 5.3.14 Fire Protection NFPA 10, 1998 Portable fire extinguisher NFPA 11A, 1999 Medium and High expansion Foam System NFPA 12, 2000 Carbon Dioxide Extinguishing Systems NFPA 13, 1999 Installation of sprinkler system NFPA 15, 1996 Water spray fixed system NFPA 16, 1999 Deluge foam-water sprinkler system and foam-water sprinkler system Page 12 of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work NFPA 20, 1999 Centrifugal Fire pumps NFPA 2001, 1997 Clean agent fire extinguishing system 5.3.14.1 Fire Protection Vietnamese Standards TCVN-3254 89 Fire Safety-General Requirements TCVN-3255-86 Explosion Safety General Requirements TCVN-2622-95 Fire Protection of Buildings Design Requirements TCVN-5738-93 Fire Detection and Alarm System Technical Requirements TCVN-5760-93 Fire Extinguishing System-General Installation and Utilize TCVN-46-84 Lightning System-Standard for Design & Installation TCVN-6101-96 CO2 TCVN-6379-98 Hydrants Requirements of Project Building code of VN Fire extinguisher system for building chapter 11 Vol 5.3 15 Civil, Building and Steel Structures ACI318-05 Building Code for Reinforced Concrete UBC-1997 Uniform Building Code Note: the load (wind and seismic) data will refer to the relevant Vietnamese code AISC Design for steel structure ASTM Bolt AWS A325 A490 High strengt h boilt for steel structure Structural welding code for steel TCXD 245: 2000 Ground Improvement by Profabricated Vertical Drain (PVD) Requirements of Project Installation and Utilize TCXD 385: 2006 Stabilization of soft soil by the soil cement column method TCXD 184: 1996 Small sectional piles – Design standard Page 13 of 23 Ca Mau Fertilizer Plant TCXD 190: 1996 EXHIBIT 1–Scope of work Minifile foundation – Standard for construction, check and acceptance TCXD 205: 1998 Pile foundation – Specifications for design TCXD 206: 1998 Bored piles – Requirements for quality of construction TCXD 88: 1982 Piles – Method for site testing TCXD VN 269: 2002 Piles – Standard Test Method for piles under Axial compressive load TCXD 195: 1997 High rise building – Design of board piles TCXD VN 326: 2004 Bored pile – Standard for construction, check and acceptance 22TCN 262: 2000 Investigation Procedure for motor road base design on soft soil 22TCN 248:1998 Specifications for design, construction and commision for geotextile fabric of base construction on soft soil 22TCN 244: 1998 Procedure of soft soil improvement design by vertical artificial drain method 22TCN 236: 1997 Procedure of construction and commision of vertical artificial drain method on soft soil 5.3.16 Soil Improvement ASTM Soil properties-testing, measurement and evaluation ASTM D1587 AASHTO T88 ASTM D2487 AASHTO T89 Sampling of soil Standard practice for classification of soil AASHTO T90 Standard specification for determining the liquid limit of soils Standard specification for determining the plastic limit and plasticity index AASHTO T90 Standard specification for determining the relationship of moisturegravity of soils ASTM D4318 Standard test method for liquid limit, plastic limit and plasticity index ASTM D4235 ASTM D4254 Standard test method for maximum index density and unit weight of soils and calculated Standard test method for minimum index density and unit weight of soils and calculated ASTM D1557 Test method for laboratory compaction characteristics of soil ASTM D1586-84 Standard test method for penetration test and split barrel ASTM D1556-90 Density and unit weight of soil in place by sand cone method Page 14 of 23 Ca Mau Fertilizer Plant ASTM D4318 ASTM D2487 EXHIBIT 1–Scope of work Filling materials 5.3.17 Heating - Ventilation and air conditioning of buildings ASHRAE,1997 Fundamental ASHRAE 55,2001 Thermal Environmental Conditions for Human Occupancy ASTM C553, 2000 Specification for Mineral Fibre Block and Board Thermal Insulation ASTM C612, 2000 Specification for Mineral Fibre Blanket and Feit Insulation IEC 60654-1 Ed.2B Operation Conditions for Industrial Process measurement and Control Equipment Temperature , Humidity and Barometric Pressure NFPA 90A, 1999 Standard for the Installation of Air Conditioning and Ventilation Systems SMACNA (Sheet Metal and Air Conditioning Contractors Association) Low Pressure Duct Construction Standards National 5.3.18 Environmental 5.3.18.1 Air Quality TCVN-5937-2005 Ambient Air Quality Standards TCVN-5938-2005 Maximum Allowable Concentration of Hazardous Substances in Ambient Air TCVN-5939-2005 Industrial Emission Standards Inorganic Substances and Dust TCVN-5940-2005 Industrial Emission Standard Organic Substances 5.3.18.2 Water Quality TCVN 5942 2005 Surface Water-Quality Standard TCVN 5943 2005 Coastal Water-Quality Standard TCVN 5944 2005 Qround Water-Quality Standard Page 15 of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work 5.3.18.3 Industrial Wasted Water TCVN-5645-2005 Discharge Standards 5.3.19 Urea Handling and Storage CEMA Practices of the conveyor equipment manufacturers associating hand book ANSI/ASME B20.1 Safety standards for conveyors and related equipment 5.3.20 Civil, Building and Steel Structures 5.3.20.1 Design codes of buildings and structures (including wind, earthquake and live load, etc) UBC code , ASTM, ASIC ,ACI codes shall be used for buildings and structures According to the ITT, load of wind and earthquake shall be as follows: i) Design wind speed shall be used for structure calculation is 40m/s, which corresponding to the wind pressure W 0=0.83KN/m2 ii) The earthquake intensity (MSK-64 scale) of for the Ca Mau area is confirmed according to the Vietnamese Regulations, Vol 3, Appendix 2.8 Seismicity , Map 2.8.1 of 1997, i.e this intensity is equivalent to a basic acceleration coefficient of 0.05 g The zone can be classified as Zone 0, specified for Ho Chi Minh City area, according to the 1997 Uniform Building Code (UBC) of the USA 5.3.20.2 Material Specifications Steel structure materials for this project will be supplied from China; Q345-B material which yielding strength is 345N/mm2 will be used for steel structures 5.4 Climatic conditions Page 16 of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work 5.4.1 Temperature a Average ambient temperature dry bulb b Minimum ambient temperature dry bulb c Maximum ambient temperature dry bulb d Temperature to be used for cooling tower (wet bulb) e Temperature to be used for air coolers (dry bulb) f Temperature to be used for electrical equipment rating (dry bulb) g Temperature to be used for process air compressor (dry bulb) 26.9oC 18 oC 36 oC 30 oC 36 oC 40 oC 36 oC 5.4.2 Relative humidity a Average value b Minimum value c Maximum value d Design values for air fans, compressors and blowers 82% 28% 99% 99% 5.4.3 Air barometric pressure Average (monthly) Minimum (monthly) Maximum (monthly) 1011.2 1002 1016 mbar mbar mbar 5.4.4 Wind  Direction of prevailing wind see attached rose  Velocity to be used for insulation calculation 3m/s  Design wind speed shall be used for structure calculation is 40m/s, which corresponding to the wind pressure W 0=0.83kN/m2 5.4.5 Rain and snow      Maximum rainfall recorder in minutes Maximum rainfall recorder in hour Maximum rainfall recorder in 12 hours Maximum rainfall recorder in 24 hours Run off coefficients - roofs: - paved floors: Page 17 of 23 19.9 mm 90 mm 159.9 mm 180 mm 1.0 0.85 Ca Mau Fertilizer Plant - EXHIBIT 1–Scope of work roads and yards: unpaved areas 0.85 0.20 5.4.6 Earthquake The earthquake intensity (MSK-64 scale) of for the Ca Mau area is confirmed according to the Vietnamese Regulations, Vol 3, Appendix 2.8 Seismicity, Map 2.8.1 of 1997, i.e this intensity is equivalent to a basic acceleration coefficient of 0.05 g The zone can be classified as Zone 0, specified for Ho Chi Minh City area, according to the 1997 Uniform Building Code (UBC) of the USA 5.4.7 Air corrosively Air corrosively is to be taken into account due to presence of NH 3, NOx, CO2, Corrosive dust (i.e Urea) 5.4.8 Indoor design climatic data for air conditioning in control room - 24±2 oC 50±5% Temperature (dry bulb): Relative humidity: 5.5 Raw materials, products , chemicals, catalyst and Wastes Specification 5.5.1 Raw materials The following raw materials at required specifications must be available at B.L 5.5.1.1 Natural Gas No Specification PM3-CAA Temperature B.L.( oC) T, amb Pressure B.L.(Bar) 40/60 Viscosity,(cP) Dew point @ P=25 Barg, (oC) HC dew point @ P=25 Barg (oC) Molecular Weight (g/mole) Page 18 of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work Gross Heating Value HHV MJ/Nm3 LHV MJ/Nm3 40.24 38.265 Component PM3-CAA B&52 C1 77.65 73.13 C2 7.38 2.91 C3 3.53 1.52 iC4 0.79 0.44 nC4 0.72 0.35 iC5 0.23 0.17 nC5 0.12 0.1 C6 0.09 0.24 N2 1.42 2.73 10 CO2 18.41 11 H2O 0.0023 Notes: 1) The Owner intend to use the B&52 source for a short duration when the supply from PM3CAA is interrupted to prevent the plant from shutdown 2) Max Sulphur content 10 ppm 3) Max Mercaptans 11 mg/Stm3 4) Max Mercury content µg/Stm3 5.5.1.2 Ammonia NH3% wt H2O% wt Oil ppm wt Ammonia to Storage Ammonia to Urea unit 5.5.1.2 99.8 0.2 max max Pop=5Barg Top= - 32.6 oC Pop=24Barg Top=25 oC Carbon dioxide Page 19 of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work CO2% vol dry 99 Inerts % vol dry max Water saturated CO2 to Urea unit (CO2 compressor suction) Pop=0.18Barg Top=45 oC CO2 to Urea unit (CO2 compressor discharge) Pop=157Barg Top=>100oC 5.5.2 Products 5.5.2.1 Ammonia See para.5.5.1.2 5.5.2.2 Granulation urea Nitrogen Biuret content Moisture content Size distribution Size distribution Temperature 46.1% wt 0.9% wt max 0.3% wt max 92% wt (between 2mm and 4mm ) 1% wt max below mm Max.50 oC 5.5.3 Chemicals Phosphate solution Oxygen scavenger Alkalizing agent MDEA Antifoam agent Sulphuric acid Sodium hydroxide Sodium hypochloride Anti scaling Corrosion inhibitor Anon/cation exchanger resins 5.5.4 Catalysts CATALYST SPECIFICATIONS Catalyst Service Type Particle Size mm Page 20 of 23 Volume m3 Delivered m3 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work Catalyst Service Type Particle Size mm Volume m3 Delivered m3 H2S-Absorption HTZ-3 4,extruded 2×23.6 48.8 Prim.Reforming RK-211 16×11 4.4 4.8 Prim.Reforming RK-201 16×11 7.4 7.8 Prim.Reforming R-67-7H 16×11 17.8 18.8 Sec.Reforming RKS-2-7H 16×11 22.5 23.2 HT-Shift LT-Shift LT-Shift Methanation Ammonia Synthesis SK-201-2 LSK LK-821-2 PK-7R KM1R 6×6 4.5×4.5 4.5×3.4 6,extruded 1.5-3 42.3 4.6 73.0 20.4 26.7 43.6 4.8 75.2 21.2 28.2 Ammonia Synthesis KM1 1.5-3 70.7 74.4 36 37.9 Mercury Absorption 5.5.5 Wastes Gaseous wastes NO× SO2 CO 100 mg/m3 500 mg/m3 500 mg/m3 Liquid wastes Mineral oil Ammonia as (N) BOD5 (20 oC ) mg/l 10 mg/l 100 mg/l 5.6 Documents Code Contractor coding procedure will be used for the followings: - General documents - Drawings numbering - P&ID symbols - Line numbering system - Equipment itemization system - Instrument itemization and numbering - For more details refer to “Numbering System” from WEC 5.7 Engineering standard and specifications Page 21 of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work Strictly comply to Codes and Standard as regulated at the above Para 5.3, WEC standards for engineering & construction as well as design specification will be utilized as follows: - Pressure vessel - Heat exchangers - Piping - Steel structures - Civil works - Instruments hook-up - Electricity - Sewers - Equipment and machinery 5.8 Project forms 5.8.1 Project forms to be utilized Contractor project forms will be utilized for the following activities: - Procurement (Material Requisition, P/O…) - Planning (Monthly report, Weekly report, Daily report, Schedule…) - Cost control - Estimating - Change orders - Equipment and material specifications - Construction contracts - QA/QC forms 5.8.2 Drawings Contractor forms will be used for drawing as follows: Drawing size a P&ID’s: Prepared in A0 form Plotted in A1 form Readable in A3 form b General plot plan, key plan and detailed plot plans: A0 form c All other drawings: Max accepted size is A0 5.9 Reference levels Plant elevation is +1.57 meters on HON DAU elevation system Page 22 of 23 Ca Mau Fertilizer Plant EXHIBIT 1–Scope of work 5.10 Soil Report Preliminary Soil Investigation Report in Section of the Invitation to Tender is used during the tendering period only WEC will start detail soil investigation for this project immediately after the effective date of the contract was awarded Page 23 of 23 ... (1992) 5.3.8.5 API Codes API 6A 17 Ed.,1999 Specification for threads in Valves, Fittings and Flanges API 590 Ed., 1985 Steel line blanks API 594 Ed., 1997 Wafer & wafer-lug check valves API 599 Ed.,... welding ends API 598 Ed., 1996 Valve Inspection and Test API 600 10 Ed., 1997 Steel Gate Valves (Flanged & Butt weld Ends) API 601 replaced by ASME Metallic gaskets for piping 16.20, 1998 API 605... C.T.I /BS 4485 Design of Cooling Towers C.T.I.ATP 105 Acceptance Test ASTM Materials 5.3.6 Machinery API 610 or Ed., 1995 Centrifugal process pumps MFR’s Standard Pumps in specific applications

Ngày đăng: 25/09/2020, 14:35

Xem thêm:

Mục lục

    5.3. 8.6 MSS (Manufacturer Standard Society) Codes

TÀI LIỆU CÙNG NGƯỜI DÙNG

  • Đang cập nhật ...

TÀI LIỆU LIÊN QUAN

w