anexo 1 livro de informações básicas de empreendimento ... · • nr-13 norma regulamentadora...

petroblog-Santini Página 1 de 24

Livro de Informações Básicas de Empreendimento Capítulo Vasos de Pressão e Equipamentos de Caldei raria

Por questões de facilitação da futura licitação, a fim de permitir a participação de projetistas e montadoras internacionais, o texto desse capítulo está apresentado no idioma Inglês. No entanto, vários anexos ainda estão no idioma Português. Convém lembrar que em um empreendimento industrial de óleo & gás, cerca de 80 a 90% do número de equipamentos é de vasos de pressão. Se acrescentar-se os sistemas de tubulações de processo e utilidades, o percentual relativo de Caldeiraria e Tubulação ao volume da obra é de 75 a 80% da totalidade dos trabalhos.

Pressure Vessels and Static Equipments Basic Informations for Oil & Gas Industrial Project Supply

1. Purpose

This Technical Specification sets equipment engineering design criteria requirements additional to and prevailing over those referred applicable standards indicated soon after. See also Annex 3 - BEDQ- Informações do Contratante, Cliente ou Proprietário sobre os critérios a serem confirmados pelo Projetista ou Licenciador para o Projeto Básico do Empreendimento contratado All referred standards shall be used at their most updated version at the time of Contract signature.

2. Required information in equipment list The following informations shall be present in the equipment lists:

• Proprietary or Client; • Type of Process Unit; • TAG equipment identification; • Service description; • Type of equipment; • Nominal capacity (m³); • Operating fluid; • Operating conditions: pressure and temperature; • Basic construction material; • Design conditions; • Main dimensions: diameter, length, height, thickness; • Empty weight. • Thermal insulation; • Required Post Weld Heat Treatment; • Hydrostatic pressure test; • Flow sheet P&ID where the equipment is presented; • NR-13 categorization; • Other special characteristics; • Name and Logo of the Designer; • Design date; • Notes.

3. Dimensional units

These are the dimensional units to be adopted during the design.

* Temperature ºC * Pressure kPa, MPa or kgf / cm2 * Volume m3 * Vapor or gas mass flow kg / h * Thermal energy kcal


* Heat Transfer Coefficient kcal / h m2 ºC * Viscosity centiPoise * Pipe diameter in * Nozzle or connection diameter in * Bolt, stud and nut diameter in * Diameter and Length mm * Noise dB * Area m2 * Heat power for liquid kcal / kg * Heat power for gas kcal / Nm3 * Electric power W * Freqüency Hz

4. Applicable standards and specifications

4.1. International Standards • ISO Standards

8501-1 Steel Surface Preparation before Panting

• AISC Standards AISC 360 Specification for Structural Steel Buildings

• API Standards

STD 520 Sizing, Selection, and Installation of Pressure-relieving Devices in Refineries – Part I Sizing and Selection Part II Installation STD 521 Pressure-relieving and Depressuring Systems STD 530 Calculation of Heater tube Thickness in Petroleum Refineries STD 560 Fired Heaters for General Refinery Services STD 537 Flare details for General Refinery and Petrochemical Service STD 579 -1 / ASME FFS -1 Fitness-For-Service RP 582 Welding Guidelines for the Chemical, Oil, and Gas Industries STD 601 Metallic Gaskets for Raised-Face Pipe Flanges and Flanged Connections STD 618 Reciprocating Compressors for General Refinery Services STD 620 Design and Construction of Large, Welded, Low-pressure Storage Tanks STD 650 Welded Steel Tanks for Oil Storage STD 660 Heat Exchanger for General Refinery Service STD 661 Air-Cooled Heat Exchangers for General Refinery Service STD 662 Plate Heat Exchangers for General Refinery Services Part 1- Plate-and-Frame Heat Exchangers RP 932-B Design, Materials, Fabrication, Operation, and Inspection Guidelines for Corrosion Control in Hydroprocessing Reactor Effluent Air Cooler (REAC) Systems STD 934 Materials and Fabrication Requirements for 2-1/4Cr-1Mo & 3Cr-1Mo Steel Heavy Wall Pressure Vessels for High Temperature, High Pressure Hydrogen Service RP 934- A Materials and Fabrication of 2 1/4Cr-1Mo, 2 1/4Cr-1Mo-1/4V, 3Cr-1Mo, and 3Cr- 1Mo-1/4V Steel Heavy Wall Pressure Vessels for High-temperature, High-pressure Hydrogen Service Downstream Segment RP 941-C Materials and Fabrication of 1 1/4Cr-1/2Mo Steel Heavy Wall Pressure Vessels for High-pressure Hydrogen Service Operating at or Below 825 °F (441 °C) RP 945 Avoiding Environmental Cracking in Amine Units

• ASME Standards BPVC Section I, Rules for the Construction of Power Boilers. BPVC Section II, Materials, Part A, Ferrous Material Specifications. BPVC Section II, Materials, Part C, Specifications for Welding Rods, Electrodes, and Filler Materials BPVC Section II, Materials, Part D, Properties.


BPVC Section V, Nondestructive Examination BPVC Section VIII Division 1 Boiler and Pressure Vessel Code - Rules for Construction of Pressure Vessels BPVC Section VIII Division 2 Boiler and Pressure Vessel Code - Rules for Construction of Pressure Vessels Alternative rules BPVC Section VIII Division 3 Boiler and Pressure Vessel Code - Rules for Construction of Pressure Vessels - Alternative Rules for Construction of High Pressure Vessels BPVC Section IX Qualification Standard for Welding and Brazing Procedures, Welders, Brazers, and Welding and Brazing Operators BPVC Code Case 2235, Use of Ultrasonic Examination in Lieu of Radiography, Section I and Section VIII, Divisions 1 and 2. B 1.1 Unified Screw Threads B 16.5 Pipe Flanges and Flanged Fittings NPS ½ through NPS 24 Metric/inch B 16.11 Forged Steel Fittings Socket-Welding and Threaded B 16.20 Metallic Gaskets for Pipe Flanges - Ring-Joint Spiral-Wound and Jacketed B 16.21 Nonmetallic Flat Gaskets for Pipe Flanges B 16.47 Large Diameter Steel Flanges NPS 26 through NPS 60 Metric/Inch B 18.2 Square and Hex Nuts B 31.1 Boiler Piping B 31.3 Process Piping B 46.1 Surface Texture -Surface Roughness, Waviness, and Lay PCC-1 Guidelines for Pressure Boundary Bolted Flange Joint Assembly STS-1 Steel Stacks

• WRC Standards Bulletin 107 Local Stresses in Spherical and Cylindrical Shells due to External Loadings Bulletin 297 Local Stresses in Cylindrical Shells due to External Loading on Nozzles– Supplement to WRC Bulletin No. 107 Bulletin 443 External Pressure Effect of Initial Imperfections and Temperature Limits

• AWS Standards D 1.1 Structural Welding Code-Steel

• BSI Standards BS 7668 Weldable structural steels — Hot Finished Structural Hollow Sections In Weather Resistant Steels - Specification

• NACE Standards MR 0103 Materials Resistant to Sulfide Stress Cracking in Corrosive Petroleum Refining Environments SP 0472 Methods and Controls to Prevent In-Service Environmental Cracking of Carbon Steel Weldments in Corrosive Petroleum Refining Environments Publication 8X194 No. 5 / SSPC-SP 12 Surface Preparation and Cleaning of Steel and Other Hard Materials by High and Ultrahigh-Pressure Water Jetting Prior to Recoating.

• TEMA Standards TEMA Standards of Tubular Exchanger Manufacturers Association

• EJMA Standard EJMA - Standards of the Expansion Joint Manufacturers Association 4.2. Brazilian Legislation and ABNT Standards Normas Regulamentadoras do Ministério do Trabalho e Emprego http://trabalho.gov.br/seguranca-e-saude-no-trabalh o/normatizacao/normas-regulamentadoras

• NR-13 Norma Regulamentadora – Caldeiras, Vasos de Pressão e Tubulações


• NR-14 Fornos • CONMETRO RES12 QUADRO GERAL DE UNIDADES DE MEDIDAS • Resoluções do CONAMA – Conselho Nacional do Meio-Ambiente • FBTS Fundação Brasileira de Tecnologia de Soldagem - Tabela Consumíveis de

Soldagem Qualificados • ABNT NBR 6123 Carga de Vento sobre Edificações • ABNT NBR 10700 e NBR 10701 Amostragem de Gases em Chaminés.

4.3. Recommended Petrobras Standards As Normas Petrobras estão disponíveis para consultas no site de domínio público: http://sites.petrobras.com.br/CanalFornecedor/portu gues/requisitocontratacao/requisito_normastecnicas.asp

N-2 INDUSTRIAL EQUIPMENT PAINTWORK N-133 WELDING N-250 INSTALLATION OF HIGH TEMPERATURE THERMAL INSULATION N-253 PROJETO DE VASO DE PRESSÃO N-266 APRESENTAÇÃO DE PROJETO DE VASO DE PRESSÃO N-268 FABRICAÇÃO DE VASO DE PRESSÃO NI-268 FABRICATION OF PRESSURE VESSEL N-269 MONTAGEM DE VASO DE PRESSÃO NI-269 PRESSURE VESSEL ASSEMBLY N-270 PROJETO DE TANQUE DE ARMAZENAMENTO ATMOSFÉRICO N-271 MONTAGEM DE TANQUE DE ARMAZENAMENTO N-279 DESIGN OF STEEL STRUCTURES N-293 FABRICATION AND ASSEMBLY OF STELL STRUCTURES N-381 EXECUTION OF DRAWING AND OTHER GENERAL TECHNICAL DOCUMENTS N-466 PROJETO DE TROCADOR DE CALOR CASCO E TUBO N-550 DESIGN OF HIGH-TEMPERATURE THERMAL INSULATION N-1894 DESIGN OF LOW TEMPERATURE THERMAL INSULATION N-896 MONTAGEM DE ISOLAMENTO TÉRMICO A BAIXA TEMPERATURA N-1201 REVESTIMENTOS ANTICORROSIVOS PARA ÁREA INTERNA DE TANQUES DE ARMAZENAMENTO N-1281 PROJETO, FABRICAÇÃO E MONTAGEM DE ESFERA N-1492 TROCADOR DE CALOR CASCOS E TUBOS - FOLHA DE DADOS N-1500 VASOS DE PRESSÃO - FOLHA DE DADOS N-1520 ESFERA DE ARMAZENAMENTO - FOLHA DE DADOS N-1541 TANQUE DE ARMAZENAMENTO FOLHA DE DADOS N-1556 VASO DE PRESSÃO - REQUISIÇÃO DE MATERIAL N-1557 TROCADOR DE CALOR - REQUISIÇÃO DE MATERIAL N-1586 RESFRIADOR A AR - FOLHA DE DADOS N-1590 NON-DESTRUCTIVE TEST - PERSONNEL QUALIFICATION N-1592 ENSAIO NÃO DESTRUTIVO - IDENTIFICAÇÃO DE MATERIAIS N-1593 ENSAIO NÃO DESTRUTIVO ESTANQUEIDADE N-1594 ENSAIO NÃO DESTRUTIVO - ULTRASSOM EM SOLDA N-1595 ENSAIO NÃO DESTRUTIVO - RADIOGRAFIA N-1596 ENSAIO NÃO DESTRUTIVO - LÍQUIDO PENETRANTE N-1597 ENSAIO NÃO DESTRUTIVO - VISUAL N-1598 ENGLISH - NON-DESTRUCTIVE TESTING - MAGNETIC PARTICLES N-1617 APPLICATION OF REFRACTORY CASTABLE N-1618 THERMAL INSULATION MATERIAL N-1704 REQUISITOS ADICIONAIS PARA VASO DE PRESSÃO EM SERVIÇO COM HIDROGÊNIO NI 1704 ENGLISH - SUPPLEMENTARY REQUIREMENTS FOR PRESSURE VESSELS FOR HYDROGEN SERVICE N-1706 PROJETO DE VASO DE PRESSÃO PARA SERVIÇO COM H2S ÚMIDO EM UNIDADES DE REFINO DE PETRÓLEO


N-1707 PROJETO DE VASO DE PRESSÃO COM REVESTIMENTO METÁLICO N- 1728 CONCRETO REFRATÁRIO N-1742 TANQUE DE TETO FLUTUANTE - SELO PW N-1756 FIRE PROTECTION DESIGN AND APPLICATION ON ONSHORE FACILITIES N-1817 RESFRIADOR A AR - REQUISIÇÃO DE MATERIAL N-1858 PROJETO E FABRICAÇÃO DE RESFRIADOR A AR N-1862 PROJETO E FABRICAÇÃO DE ACESSÓRIOS INTERNOS DE VASOS, TORRES E REATORES N-1882 CRITÉRIOS PARA ELABORAÇÃO DE PROJETOS DE INSTRUMENTAÇÃO N-1888 FABRICAÇÃO DE TANQUE ATMOSFÉRICO N-1858 APRESENTAÇÃO DE PROJETO DE TANQUE ATMOSFÉRICO N-1890 CERAMIC FIBER LININGS N- 1910 CASTABLE LINING DESIGN N- 1951 INSPECTION OF REFRACTORY CONCRETE CASINGS SUBMITTED TO OPERATION N-2054 ACESSÓRIOS EXTERNOS E INTERNOS DE VASO DE PRESSÃO N-2090 INTERNOS PARA VASO DE PRESSÃO - REQUISIÇÃO DE MATERIAL N-2091 TANQUE DE ARMAZENAMENTO - REQUISIÇÃO DE MATERIAL N-2092 ESFERA DE ARMAZENAMENTO - REQUISIÇÃO DE MATERIAL

5. Pressure Vessel Basic Engineering Design The Basic Design presentation shall comply with the Annex 2 of this specification: Requirements for Pressure Vessel Basic Engineering Design

6. Mechanical and Fabrication Design Criteria 6.1. General The development and presentation of Equipment Design shall be in accordance with the following requirements:

1. Execution of Pressure Vessel mechanical and fabrication designs shall be in accordance with Petrobras standard N-253;

2. Execution of Shell-and-Tube Heat Exchanger mechanical and fabrication designs shall be in accordance with Petrobras standard N-466;

3. Presentation and execution of mechanical and fabrication designs of Air Cooler shall be in accordance with Petrobras standard N-1858;

4. Presentation and execution of mechanical and fabrication designs of gas Spheres shall be in accordance with Petrobras standard N-1281;

5. Presentation and execution of mechanical and fabrication designs of Trays and other Internals shall be in accordance with Petrobras standard N-1862;

6. Fabrication of Pressure Vessel shall be in accordance with Petrobras standards N-268; 7. Field assembly of Pressure Vessel shall be in accordance with Petrobras standard

Petrobras standard N-269; 8. Design, fabrication and assembly of metallic structures shall be in accordance with

Petrobras standards N-279 and N-283; 9. Presentation and execution of mechanical and fabrication designs of Atmospheric

Storage Tanks shall be in accordance with Petrobras standards N-270 and N-271. 6.2. Definition of basic design data The basic design consists of:

• data and information about local ambient conditions; • definition of the feedstock to processed; • definitions of quantities and specifications of the products to be obtained; • available utility conditions; • recommendations for environment control; • user or proprietary preferences.

6.3. Definition of equipment process data


During this stage, data on the equipment’s working conditions are determined. The equipment process data shall include, at least, the following information:

1. General type of equipment (e.g., distillation tower, storage vessel, reactor, or heat exchanger); 2. Nature, properties (e.g., chemical composition, concentration, density, impurities and contaminants presents), rate of flow, temperature and pressure for all fluid streams that flow into or are discharged from the equipment (working values, maximum and minimum values possible); 3. Equipment working temperature and pressure (normal values, maximum and minimum values, and respective variations as a function of time, when applicable); 4. Volume stored; 5. Position of installation (vertical, horizontal, and sloped), when it affects operation; 6. Design pressure and temperature; 7. Position and elevation of nozzles (only when they affect operation); 8. Required equipment elevation (only when it affects operation); 9. Requirements as far as non-contamination of contained fluid (when applicable); 10. Start-up and Commissioning instructions (special cleaning, for example), when applicable; 11. In the case of heat exchangers, process data shall include the following informations, in addition to that listed above:

• Thermal load; • Temperature, viscosity and molecular weight of the fluids (inflow and outflow

conditions); • Scaling factors; • Maximum allowable pressure drop.

6.4. Equipment process design Equipment process design - also called analytic design - consists of both determining the general dimensions of the equipment that affect its operation and defining all the details concerning the equipment itself or its internal accessories that may likewise affect equipment operation, based on process data. The process design shall include, at least, the following information:

1. Schematic drawing of equipment; 2. General dimensions (diameters and lengths); 3. Type of heads; 4. Nominal diameter for all nozzles connected to piping; 5. Type, location, shape, general dimensions, spacing and details about internal

accessories; 6. Indications of nozzles for all instruments connected to the equipment; 7. Indication of whether or not there is a need for thermal insulation, refractory lining, or

other lining, and the purpose of the insulation or lining; 8. Special requirements concerning transportation, assembly, disassembly, maintenance,

how to enter in the equipment, inspection, or removal of internal accessories; 9. Materials selection consists of the basic indication of the materials for the shell and

internal accessories, taking into account working pressure and temperature conditions, the erosion and corrosion potential of contained fluids, and the need for non-contamination of these fluids; it also entails determining all corrosion over thickness allowances. When applicable, anticorrosive or refractory lining or special painting shall also be defined.

6.5. Material requisition

1. Material Requisitions for Pressure Vessel, Tower, Heat Exchanger, Air Cooler, Surface Condenser, Sphere, Flare, Storage Tank and Internal Parts shall be prepared in accordance with the standard forms from referred Petrobras Standards.


2. As a general rule, the Material Requisitions shall be based on the Data Sheets, engineering drawings, and associated specifications furnished with the Basic Design, which shall be attached to the applicable Material Requisition.

3. Material Requisitions for Cr-Mo High Pressure Vessels, Towers and Reactors and High Pressure Special Heat Exchangers shall request manufacturer’s purchase order for the components, such as: plates, flanges, piping, forging and welding consumables, to be submitted for approval together with the manufacturing drawings.

4. Material Requisitions and Bid Technical Evaluation Reports, for all equipments, shall be issued and submitted to Client for approval.

6.6. Specific requirements In addition to the requirements indicated in the applicable Petrobras Standards, the aspects presented below shall be observed.

1. The equipment steam-out shall be according to the Annex 4 - Steam-out conditions Condições de Lavagem com Vapor (“Steam Out”).

2. All thermal insulating for pipes and equipments shall be according to Petrobras Standards: • Hot equipments: Petrobras standards N-250, N-550; • Cold equipments: Petrobras standards N-894 and N-896.

3. Refractory lined equipments shall be in accordance with Petrobras standards N-1617, N-1728, N-1910, and all refractory materials to be used shall be qualified and approved.

4. All welding consumables shall be selected from FBTS-Fundação Brasileira de Tecnologia de Soldagem qualification list.

5. All Pressure Relief Valves, Pressure Safety Valves and Pressure Relief and Safety Valves shall have their capacities certified by NBIC-National Board Inspection Code and ASME Stamp UV (for pressure vessels) or U (for steam boilers).

6. The use of ultrasonic examination (UT) in lieu of radiographic examination (RT) is permitted in accordance with the provisions of ASME Code Case 2235.

7. Pressure vessels and all other static equipments shall be designed and manufactured considering, at least, a life of 30 years in continuous service.

8. All equipment shall be specified and designed to withstand concurrent dynamic and static loading and transportation accelerations.

9. Flange bolting shall comply with the following requirements: • Only stud bolts are allowed (machined bolts are prohibited); • The height of the nut shall be equal to the bolt nominal diameter; • For external bolting of covers, blind flanges and shell flanges it shall be used stud

bolts with 2 heavy hex nuts each. • For size 1 ¼” and greater, the stud length shall be increased by a minimum of one

nut height to allow the use of tensioning equipment to tightening. • If impact test is required for stud bolts, the corresponding nut shall be impact tested

at the same temperature. 10. All internal clearances shall be verified when the equipment is supposed to operate above the temperatures given in the following table, considering the extension of the internals due to creep behavior in addition to the normal thermal expansion.

Material Temperatures Carbon Steel 400ºC 1 ¼ Cr 0.5 Mo Low alloy steel 440ºC 2 ¼ Cr – 1 Mo Low alloy steel 440ºC Austenitic stainless Steels 540ºC

11. When required the Postweld Heat Treatment (PWHT) shall be performed according to ASME Code requirements and the listed documents from this specification.


12. When required the Stress Analysis by the Finite Element Method it shall be performed according to Annex 5 - Procedure for Performing Stress Analysis by Means of Finite Element Method (FEM)-Supplementary Requirements for stress Analysis and Annex 35 - Requisitos para a execução de Análise de Tensões pelo Método de Elementos Finitos (MEF) 13. It is forbidden the use of wafer type valves in any system involving hydrocarbon or

other dangerous fluids. 14. The maximum bolt spacing for calculated flanges shall not exceed the value

calculated in accordance with indicated at ASME Section VIII Division Appendix 2. 15. Vessel piping connections greater than NPS 24 shall be butt welded unless otherwise

noted. 16. Drains and vents of pressure vessels shall be placed in the equipment wall. 17. Pressure Vessel Manufacturer shall verify the nozzles according to the Annex 6 -

Allowable piping loads on equipment nozzles - Esforços Máximos Admissíveis em Bocais de Equipamentos ligados às Tubulações.

18. When it is necessary thermal insulation for personal protection grates may be used. Consider the distance between the grating and the equipment surface of 100 mm minimum. Use expanded metal sheet, as shown in the attached FIGURE 3 Expanded Metal Sheet for Personal Protection.

19. Manholes NPS 36 in and greater shall be designed using lip-seal gasket. 20. For spare parts of static equipments

See Annex 34 - Sobressalentes para equipamentos estáticos Standard spare part lists per type of Static Equipment


6.7. Towers and Vessels 1. Drums and Tower supports and skirts shall shop primer painted under the fireproof

lining, 2. All platforms to access manholes from Towers and Reactors shall be 1,500 mm width

as a minimum. 3. For tower with internal diameter greater than 2000 mm any group of 10 trays shall be

accessible by a specific manhole. 4. In case of smaller towers consider a manhole for each 20 trays. 5. Platforms and walkways between other adjacent platforms near 1000 mm shall be

provided to facilitate the access for operation, inspection and maintenance works. 6. Fasteners like bolts or stud bolts and nuts shall not be Cadmium or Zinc coated. 7. Drain connection in equipments shall be NPS 3 as a minimum, 8. Any pressure vessel that operates refrigerant flammable compressed gases, like LPG,

Propane, Butane, Propene or LNG, shall be located and designed in accordance with Petrobras standards N-1645 and N-1281. 9. Facilities (manholes, platforms, etc.) for maintenance purposes shall be provided in

order to allow removal of packing, catalyst and appurtenances. 10. Whenever possible, the internal parts of towers (bubble caps, valves, unions, etc.)

shall be standardized. 11. Flanges ranging from NPS 26 up to NPS 36 shall be specified according to ASME

B16.47 Type A. Flanges that are greater than NPS 36 shall be specified using ASME B16.47 Type B. 12. The diameters of the manholes shall be in accordance with Petrobras standard N-253

except for equipments with an internal diameter greater than 1220 mm where manholes of NPS 24 shall be provided, unless otherwise specified. 13. Internal handholds shall be provided in all manholes to facilitate access to the

equipment. 14. For all equipment designed in accordance with the ASME Code, Section VIII, Division

1 or 2, the designer shall show, in the calculation sheets, the evaluation for impact test requirements of each vessel component, based on its individual material classification, thickness and the Minimum Design Metal Temperature (MDMT). 15. For horizontal vessels with slope, the nozzle location shall comply with the sketch

showed as attached FIGURE 1. Despite the slope, all nozzles shall be in vertical position. 16. Vortex breakers shall be removable (not welded to the equipment shell or head),

according to sketch showed as Petrobras standard N-2054. 17. The wear plates shall be fixed with tack welds on the plates, instead of screwed. 18. To be adopted for horizontal vessels:

• Vent and Safety valve connections shall be placed in the highest side of the equipment; • Drain connection to be placed in the lowest side of the equipment;

19. The fixed saddle shall be placed at the heavier side of the equipment. 20. Welds between a cylindrical body and a transition conical piece shall be performed at

the shop, so that only welds between cylindrical parts are performed at the field. 21. Reinforcing plates of connections at torispherical or elliptical heads shall be included

inside a radius corresponding to 40% of the internal diameter of the head. 22. Nuts of any equipment internal part subjected to vibrations or shocks shall be tack

welded to their corresponding bolt. 23. Internal piping shall be supported and guided in order to limit vibrations and

movements resulting from shocks according to the related thermal expansion. 24. All plates welded to the body of a pressure vessel, shall be of the same construction

material of the equipment. 25. In case of heated equipments the personal insulation protection shall be provided on

regions which permit human contact to the equipment. 26. In case of stacked equipments, the nozzles and local stress resulting from induced

loads (weight, wind, and thermal expansion) shall be verified.


27. The use of blind flanges with hole as a reduction piece shall be avoided and replaced by a proper reduction flange. 28. An internal ladder from the manhole next to the bottom tangent line shall be provided

in order to facilitate the access to the bottom of the vessel. 29. Internal bed limiter plates shall be provided according to the following rules:

• Ceramic and carbon random packings: the bed limiter shall be placed on the bed and it shall have a enough self-weight to compress the bed height, in order avoiding loss of bed material;

• Metal and plastic random packings: the bed limiter shall be fixed on the shell, at about 25 mm to 50 mm above the bed, in order to let enough space fro thermal expansion of the bed.

30. For equipments with nozzle connections located on internal beds an expanded screen on the internal side of the connection shall be provided to prevent the plugging of the connection. 31. The circumferential weld of Ring-Type Flanges designed and fabricated according to

Appendix 2, Figure (11) of ASME Code shall be UT examined. 32. Vessels submitted to operating pressure lower than 1.0 kgf/cm²g shall be designed

and manufactured in accordance with ASME Code, Section VIII, considering a minimum design internal pressure of 1.0 kgf/cm²g. 33. Welding neck (WN) and/or long welding neck (LWN) flanges shall be specified for

flanged piping nozzles. Slip-on flange construction is not allowed. 34. The fluid class categorization as per NR-13 shall be written down on the blank space

of the Name Plate of Vessels, Towers, Reactors, Spheres, Heat Exchangers (see Petrobras standards N-2054 and N-466). 35. Connections for Level Sight Glasses and Level Transmitters at pressure vessels shall

have a nominal diameter of 2", at least, with welding neck flange, regardless of the equipment operating fluid 36. Facings and gaskets of equipment nozzles, including those not be connected to

piping, shall be in accordance with the piping specification. 37. The equipment data sheet shall include the steam out conditions (vapor pressure and

temperature). 38. Pans and Downcomers shall be welded to the tower shell; bolting is not permitted. 39. The nuts of internals manways shall be tack welded to the manway. 40. Vessel internal impingement plates shall be welded to the pad supports. 41. Requirements for “DEMISTER”:

• When the demister doesn’t occupy the whole vessel cross section, drain holes shall be placed on side support plate that reduces the section.

• The demister sections shall be designed with at least 15 mm of interference with the vessel internal diameter, in order to be compressed by the walls of the equipment.

• The demister sections shall have an excess of 10 mm of material at each side of the ends. No clearances around the demister sections shall exist.

42. Connections with visors shall be made by tempered glass, assembled between flanges and shall have sufficient resistance to support the MAWP-Maximum Allowable Working Pressure and the design temperature of the vessel. 43. Particular requirements for Vessel with agitator or mixer:

• The design and fabrication of the connection of the agitator or mixer shall be performed by the vessel manufacturer, considering the recommendations (dimensions, loads, and internal shaft bearing and assembly instructions) of the agitator supplier.

44. The vessel shall be supported on a skirt or on tie-rod legs that resists the agitator induced vibration. 45. The access openings in the skirt of the towers and reactors must have portholes made

of grates fixed by screws, to prevent access by unauthorized people inside the equipment skirt. This site should be considered and warned as a “Confined Space”. 46. Also, at the top of the inspection hatches and above any manhole, shall be fixed a

warning plate with the alert “Confined Space”.


6.8. Process Reactors Minimum catalyst discard nozzle elevation shall be equal to 3000 mm measured from ground. For Hydrotreatment reactors shall be adopted only one manhole of NPS 36 located at the top head shall be adopted. See: Annex 31 - Supplementary requirements for Hydrotreatment Reactors Annex 32 - Supplementary Requirements for Delayed Cocking Drums Requisitos suplementares para Tambores de Coqueamento Retardado

6.9. Heat Exchangers

1. Tube bundles shall be identified in the back area of fixed tube-sheet, with a code including the heat exchanger tag, by three marks spaced 120º apart. The marks shall be done with a ½” steel punch.

2. The respective equipment tag shall also identify all parts of the heat exchanger. 3. Where otherwise noted square pitch for tube arrangement to permit easy cleaning shall

be provided. Triangular pitch tubes adoption needs previous Proprietary agreement. 4. The minimum outside tube diameter is equal to ¾ inches. 5. Cooling heat exchangers that use water shall have the water into the tubes and

supplied with back-washing facilities. 6. The following heat exchanger components shall be marked with a ½” metallic punch:

• Channel cover; • Channel; • Floating head cover; • Bonnet; • Floating head backing-device and splice plates; • Test ring and test flange.

7. Preferably, steel tubes from tube bundle shall be standardized according to the follow dimensions: ¾” and 20 ft long.

8. The minimum thickness for tubes is BWG 14 (2, 11 mm) for Carbon and low alloy steel tubes and BWG 16 for stainless steel and high alloys.

9. The maximum removable tube bundle self-weight is 18 metric tons. 10. For water cooling heat exchanges the maximum tube wall temperature shall be 60ºC to

prevent deposits. 11. Life time of heat exchanger tubes is 12 years, at minimum. 12. The installation of nameplates on covers channels or any other removable parts shall be

avoided. Preference shall be given to a visible place on the shell. 13. In order to exempt the use of ring test to perform hydrostatic tests in the shell side, an

alternative is using tubesheets with the same outside diameter of the shell. See attached FIGURE 2 Extended Tubesheet.

14. In the case of stacked heat exchangers, “figure 8 spectacle blind” fitting shall be provided between connected nozzles, allowing individual hydrostatic tests of equipment.

15. Sliding bars welded to the bundle shall be supplied for all heat exchangers. 16. When PWHT is applicable for shell, sliding bars and stainless steel sliding strips (rails)

welded to the shell, shall be supplied. 17. The floating head configuration shall be in accordance with TEMA item RCB-5.141. The

length projections indicated on Figure RCB-5.141 of TEMA as “OPTIONAL” and the “SPLICE PLATE” (minimum thickness of 25 mm) indicated on Figure A-3 (CONCLUSION) of N-466 Standard are mandatory. The STYLE “D” configuration on Figure RCB-5.141 of TEMA and the configuration 1 (figure A-3) of N-466 Standard shall be avoided.

18. The rigidity of all girth flanges shall be checked in accordance with the applicable equation in ASME Section VIII, Division 1 Appendix 2. When two gaskets are compressed by the same bolting, as in the design of flange pairs used to contain a tube-sheet, the same specified gasket (material, type and dimensions) shall be used for both sides and the selection shall be considering most critical condition (see also TEMA


paragraph R-6.2/CB-6.2 and ASME VIII – item 2.5. (a) (2), for Div. 1 and item 3-321 (b), for Div. 2.

19. A more exact method of stress analysis that take into account continuity between the flange ring and the dished head of floating head covers, in accordance with paragraph 1-6(h) of ASME Code Section VIII Division 1, will only be accepted if the flange ring stiffness is preserved.

20. Manufacturer shall supply the thermal design and the mechanical design for heat exchangers. For this the Licensor shall provide all needed process and thermal properties. When the thermal design is done by the Licensor of process he has to guarantee thermal performance and the Manufacturer shall guarantee just the mechanical performance. It is not necessary to check the thermal design of heat exchangers designed by Licensors.

21. Tube to tubesheet joint shall be performed according to applicable Petrobras standards N-1704, N-1706 or N-466. The use of seal welding is not permitted.

22. When the following conditions are met the electric resistant welded tubes may be applied to carbon, low alloy or high alloy steel tubes:

• Pressure-temperature rating < Class 600; • Service is not: toxic, hydrogen, wet H2S, caustic and with chloride; • Full strength weld is not specified in tube to tube-sheet joint; • Seamless tubes are not specified in the equipment data sheets or drawings.

23. As additional requirement to applicable ASTM standards, electric resistant welded tubes shall be submitted to the following tests:

• ASTM A 262, Practice E (Corrosion Susceptibility) for stainless steel tube; 24. Eddy Current Test for all materials. 25. Spacer bolt holes to the main flanges shall be provided for any heat exchanger. 26. “Allen” type screws shall be provided for any threaded hole at the tubesheet, in order to

protect the holes. 27. Devices to protect the apparent parts from external stud bolts shall be provided. 28. Tubes from salt water Condenser heat exchangers shall be made on Almirant

seamless material. Carbon steel is forbidden for this service due the possibility of corrosion under deposits. Channel shell and channel head and floating head shall be painted with epoxy lining.

29. Each girth flange shall have a data sheet with the recommended assembly tightening load, lubrication and tightening sequence.

30. Austenitic stainless steel tube bundle shall have chicanes, tie rods and nuts manufactured in austenitic stainless steel.

31. The circumferential weld of Ring-Type Girth Flanges designed and fabricated according to Appendix 2, Figure (11) of ASME Code shall be UT examined.

32. When fiber elongation of the U-tube bends exceeds ASME requirements or for corrosive environments (such as H2S, H2, amine and caustic) the bent portion of the tubes shall be heat treated.

33. The thickness to be used for tubesheets shall be the greatest value obtained by TEMA calculation procedure (Section 5, RCB-7) and ASME calculation procedure (Part UHX).

34. The heat exchanger bundles of a Unit shall be interchangeable, when possible. The U-tube heat exchanger bundles shall have its tubes interchangeable, in order to maintain only the tubes as spare parts in lieu of a complete U-tube bundle.

35. The tube row adjacent to the channel/bonnet pass partition shall be designed to allow tube hole grooving without the need to remove the channel and bonnet.

36. When there is tendency of deposits due sediments or salt contents in the shell side fluid, the use of twisted tubes shall be considered, because of the turbulence increasing characteristics of such tubes allied with their high heat transfer rate. In such case there is no need of chicanes and anti-vibration devices, since the tubes are very close to ach order.

37. The dimensions of the bolted joints for heat exchangers girth flanges, besides attending TEMA requirements, shall be according to the attached FIGURE 4 Bolted Joints Dimension to allow Pneumatic Torque Machine.


6.9. Plate Heat Exchanges 1. Design and Construction Requirements for Plate Heat Exchangers shall be in

accordance with API STD 662 Plate Heat Exchangers for General Refinery Services Part 1- Plate-and-Frame Heat Exchangers

2. The Plate Heat Exchanges shall be plate-and-frame heat exchanger type with welded plate pack and supporting frame

6.10. High Pressure Heat exchangers

Supply and acceptance particular conditions for high pressure special heat exchangers (breech lock closure or channel “TEMA type D”):

1. See Annex 7 - Supplementary Requirements for High Pressure Heat Exchanger. 2. Removable shell heat exchangers, shall be supplied with tools and devices needed to

quick and easy pulling out/in of the shell, tube bundle temporary supports after shell pulling out, with specific written procedure;

3. Supply training for Client maintenance personnel; 4. The equipment shall be supplied and conditioned for transportation and preservation/

hibernation at installation, according to a written procedure approved by Client; 5. Supply hydraulic device for stud/nut torque application; 6. The design, material supply (including welding consumables), fabrication and tests

documents shall contain all information needed for a complete manufacturing traceability.

7. Only seamless tube shall be used. 8. Preferred tube dimension are 6.1 meters of length and 19.05 external diameter. 9. The minimum thickness for tubes is BWG 14 (2, 11 mm) for Carbon and low alloy steel

tubes and BWG 16 for stainless steel and high alloys. 10. For high pressure screw ring heat exchangers (screw plug type) the maximum tube

bundle weight is 25 metric tons. 11. For water cooling heat exchanges the maximum tube wall temperature shall be 60ºC to

prevent deposits. 12. Life time of heat exchanger tubes is 12 years, at minimum.

6.11. Air Coolers Air coolers shall attend the Petrobras standard N-1858.

1. Forced draft air coolers shall be used. Induced draft air coolers are allowed only with Proprietary written permission.

2. Block valves shall be installed with “figure 8 spectacle blinds” to facilitate the liberation of each module of the air cooler during the unit running.

3. Plugged heads may be used only when the flanged head option is not possible. 4. Air cooler fans shall attend the following:

• They shall be located below the tube bundle. • The blades shall be manufactured with fiber glass material. • The belts should be high-torque type positive-drive belt.

5. The maximum tube length of an air cooler is 9000 mm. 6. Whenever the pipe-rack width is not sufficient cantilever extensions of 1000 mm

maximum shall be used at each side of the pipe rack. 7. A tube bundle shall never have more than 27 metric tons of self-weight. 8. In case of G type fins, the tube thickness without the grooves shall be equal to BWG 12

(2.77 mm) for Carbon and low alloy steels and BWG 14 (2.11 mm) for stainless steels and high alloys.

9. Walkways shall be provided in front of the headers of the tube bundle. The walkway shall be designed in such way that allows the access for maintenance of the header and its flanged cover.

10. When tube-to-tubesheet localized corrosion is expected insert tubes with better corrosion resistance material shall be provided for the bundle tubes.


11. Motors, gears, rollers and belts shall be located below the tube bundle to prevent hot air deterioration. See API Std 661 paragraphs 4.2.3.16, 4.2.7.2.8, 4.2.8.2.13 and 4.2.10.18 for limit temperatures.

12. Provide tube bundle with supporting independent from platforms and motors in order to allow easy exchange of tube bundles.

13. Avoid installing of any equipment, particularly hydrocarbon or auto-ignition fluid pumps, below air cooler supporting structures or under the horizontal projections of these structures.

14. Air Coolers shall have a single platform, with grated floor (fiberglass or metal made, below the air cooler, for maintenance and access to the equipment. The spacing between the platform and the air cooler, should be approximately 2m to allow access to persons and the removal of the fan blades and electrical motors and components

6.12. Storage Tanks

1. The Design and Construction of Storage Tanks shall be in accordance with the following API Standards:

• API Std 650 for atmospheric tanks with fixed or floating roof; • API Std 620 for pressurized tanks.

2. Tanks for DEA and Sour Water must be internal coating according Petrobras standard N-1201.

See: Annex 7 - Supplementary Requirements for Atmospheric Storage Tanks Requisitos suplementares para Tanques de Armazenamento Atmosféricos Annex 8 - Requirements for internal floating roof to be fitted in Fixed Roof Storage Tank Annex 35 - Technical Specification for Tank Mixers Anexo 39 - Válvulas de Alívio de Pressão e Vácuo de Tanques de Armazenamento Anexo 40 - Dispositivo Corta-Chamas (“Flame Arresters”) 6.13. Gas Storage Spheres

1. The maximum carbon content for SA 516 Gr.70 Normalized material shall be 0.26%. 2. The plates for manufacturing the spheres shall be inspected at the mill using ultrasonic

examination, in accordance with standard ASTM-A-435. 3. For PWHT are required the followings items

• The top and bottom heads and columns plates shall be PWHT at shop. • There must have test specimens that simulate all heat treatments required by

ASME Code and carried out during fabrication at shop and field erection, plus one additional heat treatment required for maintenance purposes. This additional PWHT, to be performed by the Proprietary in future (if necessary for maintenance works) will have the same requirements (holding time, temperature, etc.) of PWHT executed during assembly. The PWHT tests specimens of the equipment materials shall comply with the tension test and impact test requirements (at MDMT-Minimum Design Metal Temperature and according to ASME A-20 or to the ASME individual material specification).

• The material (plates, pipes, forgings and welding consumables) and welds shall be required and qualified for a PWHT time that contemplates the following items: o One "erection phase" thermal cycle, that due to the difficulty of achievement of

the complete homogenization of the different sphere's regions during the PWHT, results in areas with temperatures above the normal holding temperature and with a time greater than the minimum holding time specified by the applicable table of the ASME Code (Table AF-402.1 - ASME Section VIII, Division 2 or Table UCS-56 - ASME Section VIII, Division 1). Conservatively this time shall not be less than 4 (four) hours.

o One "operational phase" thermal cycle for the Proprietary, in an eventuality of a repair during operation, considering the same time of the PWHT for the "erection phase" (minimum 4 hours).


� One "fabrication phase" thermal cycle for the materials that will be submitted to a shop PWHT, with holding time exactly equal to that defined in the Table of the applicable ASME Code (4 hours).

� Concluding; regarding the Material Supply, the specification of the holding time shall be:

� For the non-shop PWHT parts at least 12 (twelve) hours. � For the shop PWHT parts it shall be added the minimum PWHT holding

time defined in the applicable ASME Code (4 hours) so 16 hours. After these holding times the mechanical and impact properties of the materials shall be according to ASME Code Sec II and Section IX specifications.

• The welds of the auxiliary assembly devices and temporary welds shall be removed after performing their function and prior to the post weld heat treatment. After removal, the aforementioned welded areas shall be examined by the magnetic particle method.

• The thermocouples and the thermal insulation attachment devices used in the post weld heat treatment shall not be welded to the sphere shell.

4. One manhole (φ 24" min) located at the sphere's bottom shall be supplied, according to Petrobras standard N-1281.

5. Consider the sphere's equator elevation of 12.300 mm (base elev. 0.00). 6. The manufacturer shall report the vacuum pressure withheld by sphere. 7. All pressure retaining welds will be 100% RT or 100% UT/TOFD + MT, before and after

PWHT and after Hydrostatic Test. 8. The attachment weld of the column to sphere shall be full penetration and examined by

100% UT + MT before and after PWHT and after Hydrostatic Test. 9. The nozzle welds shall be full penetration type and examined by 100% UT + MT before

and after PWHT and after Hydrostatic Test. All others welds shall be MT. 10. The Level Transmitter and Temperature Transmitter nozzles shall be placed one beside

the other, with independent connections, and shall have remote and local indication. 11. The internal pipe shall pass through the nozzle and be fixed on a plate between the

flanges. 12. The sample nozzles shall be placed in the bottom of the sphere. Three of them shall be

supplied with pipe, following the internal sphere's shell with equivalent heights at 1/4, 1/2 and 3/4 of sphere's diameter and the forth at the bottom head.

13. The nozzle of the sphere's upper part shall be leveled with the platform. 14. The nozzles of the sphere's lower part shall be at the same level. 15. The nozzle placed at the bottom of the sphere shall be accessible from a platform. 16. The stair fights shall not be higher than 6 meters. 17. The nozzles placed in the upper head shall be accessible from the top platform. 18. Consider a basic wind speed according to ABNT Standard NBR-6123. and the Annex 19

Rules to Calculate Wind Loading on Equipment Based on ABNT Standard NBR- 6123. 19. Number of support columns shall be 10 (ten) at least. 20. One internal pad plate, welded at lower sphere's shell, shall be provided aligned with the

nozzle for temperature transmitter. 21. The sliding plate (Teflon) shall be provided under column’s bases with adjustable device

to be used during the PWHT (heating and cooling cycles). 22. The fatigue analysis shall be made, if necessary, according to the informed operating

cycle conditions. 23. Fatigue analysis notes:

• Annual frequency caused by ambient temperature variations; • The pressure variation (∆p operational) is supposed to happen due to the sphere

operation loading and unloading; • Temperature variations along the sphere shell thickness (Maximum: external

surface temperature; Minimum internal surface temperature).


24. After the sphere bidding completion the following informations will be sent to the supplier:

• Nozzle location; • Confirmation of instrument nozzle diameters.

25. The temperature indicators nozzles shall be accessible from the platforms extended from the stairway and shall be placed in the bottom, top and half sphere diameter.

26. The sample nozzles located along the stairway shall be installed on site, after the stairway, platform and walkway installation, in such a manner that an adequate access is guaranteed.

27. For sphere manufacturing, although field erection/assembling could be contracted, the Sphere Manufacturer shall be the responsible for the assembly too.

28. All flanged nozzle pressure rating shall be 300 at minimum and the couplings shall be 6000 Socket Weld type.

6.14. Heater and Furnace

1. Heaters and Furnaces shall be designed and constructed according to API standards API Std 530 and API Std 560.

See: Annex 10 - Heater Supply Scope and Responsibilities Annex 11 - Projeto Básico Padronizado de Fornos Annex 12 - Standard Technical Specification for Heaters and Furnaces

2. Manufacturer shall carry out the CFD – Computer Flow Dynamic Analysis for the burners and plenum installation and also for the Radiation Chamber to verify:

• Adequacy of burner flame envelope to Combustion Chamber; • Air distribution for each burner; • Vibration limits.

3. Smoke test shall be carried out before start-up and all leakages shall be repaired. 4. For heater interlocking system shall be attended Client specifications during the design. 5. Coalescer filters shall be provided for gas combustible burning systems. 6. Internal cleaning of radiation and convection tubes shall be made by steam air

decoking or pigging. 7. The Delayed Coker Heaters shall be designed to allow both pigging and on line

spalling. 8. The design shall attend the maximum thermal efficiency thru air pre-heater system

and/or steam generation or superheating. 9. The guaranteed performance for Low-NOx burners shall be applied just for the main

combustible. 10. For heaters that use only gas combustible the air pre-heaters shall be plate heat

exchange type. 11. For oil combustible rotary type pre-heater shall be used. 12. Thermal insulation material shall be ceramic "pyro blocks" in place of ceramic blankets. 13. Platforms for gas sampling at stacks shall follow ABNT standards NBR 10700 and NBR

10701. 14. Platforms on the fired heaters and at ground level shall have 440V outlets for services.

6.15. Waste Heat Exchangers Boiler See Annex 37 - Technical Specification for Fabrication Requirements of Waste Heat Exchangers

6.16. Flares Flare systems shall be in accordance with API standards: API Std 521 and API Std 537. 6.17. Large Dimension Filters A supporting structure shall be provided to facilitate the removal of the head and the internal components weighting more than 20 kgf, including those on filters installed on the suction side of pumps.


6.18. Equipment Subjected to Special Services Equipment subjected to special services shall comply with the requirements of applicable standard, as follows:

• Wet H2S service: Petrobras standard N-1706; • H2 + Wet H2S service: Petrobras standard N-1706; • H2 service Petrobras standard N-1704; • Toxic service:

See: Annex 13 - Projeto, Fabricação, Montagem, Inspeção e Testes de Sistemas de Tubulação em Serviço Tóxico Annex 14 - Projeto, Fabricação, Inspeção e Testes de Vasos de Pressão em Serviço Tóxico Annex 15 - Serviços Tóxicos – Critérios de Classificação e Requisitos de Instalação

• Low Temperature Service: See Annex 16 - Supplementary Requirements for Low Temperature Service

• Cyclic or fatigue service requirements o Provide only insert plate or forged self-reinforcing on the connection openings. o Prevent angle weld to fix accessories on the pressurized parts. o The skirt shall be used to support the pressure vessel.

6.19. Non-Metallic coating requirements All sharp sides and weldments shall be rounded before coating application. 6.20. Non Destructive examinations See: Annex 17 - Supplementary Requirements for NDE Examinations of critical equipments Annex 18 - Requisitos para inspeção e plano de testes de equipamentos críticos 6.21. Fire Proofing

1. Towers, Drums, Reactors, Spheres and Heat exchangers • Towers, drums and heat exchangers, including air-coolers, shall be considered as

high fire potential equipment, and they shall have passive protection (fire proofing), when operating with flammable liquid, combustible liquid or liquefied petroleum or natural gas.

2. Vertical Vessels • Supports of Vertical vessel shall have passive protection (fire proofing), if it contains

flammable liquid, combustible liquid or flammable gas, under normal operating conditions.

• Skirts and legs of vertical vessels with passive protection (fire proofing) shall be painted according to item 4.7 of Petrobras standard N-2, prior to protection application.

3. Sphere Legs • The metallic structure for supporting gas storage cylinders and gas storage spheres

(LPG, LNG, Propylene, Ammonia etc.) shall have passive protection (fire proofing), as required in Petrobras standard N-1645.

• The legs shall be painted according to item 4.7 of Petrobras standard N-2, prior to protection application.

4. Drums or horizontal vessels and heat exchangers • Supports of these equipments shall have fireproofing protection when the height of the

middle point of the support is 250 mm or over. 5. Metallic Structures

• Metallic structures supporting equipment, like air coolers, or supports of piping inside area exposed to fire or supporting fire potential large piping shall have passive protection (fire proofing) as required in Petrobras standard N-1756.


6. Other requirements • Trays of electric cables and instrumentation that pass over pumps and flanged

connections with inflammable products to less of 9 m height shall have passive protection (fire proofing).

• Similarly, critical cables (e.g. serving interlocking system and trip systems) passing through fire hazard areas should be fireproofed with a coating capable of withstanding fire for a period of 30 minutes.

6.22. Wind Loads See Annex 19 - Rules to Calculate Wind Loading on Equipment Based on ABNT Standard NBR-6123

6.23. NR-13 Requirements The fulfillment of NR-13 Norma Regulamentadora de Caldeiras, Vasos de Pressão e Tubulações is ever required. 6.24. Painting For insulated equipments, with operating temperature above 80°C, corresponding to condition 4 of the Petrobras standard N-2, the painter must apply a background coat for equipment protection against the weather during the assembly phase. This painting does not need to be removed before applying the thermal insulation and does not need to be suited to its operational temperature, since it just has to protect the equipment until the operations start. Equipments that are designed to steam out, the paint scheme selected shall consider this temperature. 6.25. Pressure Relief and Safety valves For balanced valves see Annex 20 - Technical Specification Bellows for Balanced Pressure Relief Valves For Hydraulic Relief Valves see Annex 21 - Construção de válvulas PSVs de alívio hidráulico (¾” x 1”) Annex 38 - Especificações de molas para uso em Válvulas de Segurança e Alívio 6.26. Sealing and bolting For flanged connections shall be applied the following requirements of gaskets and bolts: See: Annex 22 - Requisitos de Junta de Vedação tipo dupla camisa a ser utilizada em permutadores de calor (“double jacketed gaskets for heat exchangers) Annex 23 - Junta de vedação do tipo Camprofile para Permutadores de Calor (“camprofile gaskets”) Annex 24 - Junta tipo Camprofile para Tubulações e Bocais de Equipamentos Annex 25 - Requisitos de juntas de vedação tipo anel metálico RTJ- Ring Type Joint ou para FJA- Flange de Junta com Anel Annex 26 - Requisitos de juntas de vedação tipo espiralada construção com densidade controlada Annex 27 - Fornecimento de parafusos, estojos, barras roscadas, porcas e arruelas de ligações aparafusadas de uniões flangeadas. Annex 33 - Juntas de vedação de internos de Vasos de Pressão, Torres e Reatores 6.27. Skid mounted units and packages In case of piping and pressure vessels of skid mounted or package units all the requirements listed in this specification shall be applied including the low emission requirements from the following Technical Specifications: See: Annex 28 - Gaxetas, Buchas e Fitas Convencionais sem Requisito de Baixa Emissão Fugitiva Annex 29 - Gaxetas Com Requisito de Baixa Emissão Fugitiva Annex 30 - Válvulas para Baixa Emissão Fugitiva


. ATTACHMENTS


FIGURE 2 EXTENDED TUBESHEET

Grating dimensions . Reference dimensions: A = 38mm, B = 75mm, C = 2,5mm, Galvanized Steel

FIGURE 3 EXPANDED METAL SHEET FOR PERSONAL PROTECTION


FIGURE 4 BOLTED JOINTS DIMENSIONS TO ALLOW PNEUMATIC TORQUE MACHINES

ANEXOS

Normas Petrobras As normas técnicas para os projetos de detalhamento, fabricação e montagem devem ser informadas pelo Proprietário ou Cliente. Na falta destas ou mesmo se o Proprietário ou Cliente preferir, recomendam-se as normas do acervo técnico da Petrobras. As Normas Petrobras estão disponíveis para consultas no site de domínio público: http://sites.petrobras.com.br/CanalFornecedor/portu gues/requisitocontratacao/requisito_normastecnicas.asp Anexo 1 Livro de Informações Básicas de Empreendimento - Capítulo Vasos de Pressão e Equipamentos de Caldeiraria Livro de Informações Básicas de Empreendimento - Capítulo Sistemas de Tubulações

Anexo 2 Requirements for Pressure Vessel Basic Engineering Design


Anexo 3 BEDQ - Informações do Contratante, Cliente ou Proprietário sobre os critérios a serem confirmados pelo Projetista ou Licenciador para o Projeto Básico do Empreendimento contratado

Anexo 4 Condições de Lavagem com Vapor (“Steam Out”) de Tubulações e Equipamentos - Steam-out conditions Anexo 5 Procedure for Performing Stress Analysis by Means of Finite Element Method (FEM) Anexo 6

Esforços Máximos Admissíveis em Bocais de Equipamentos ligados às Tubulações Allowable piping loads on equipment nozzles

Anexo 7 Supplementary Requirements for High Pressure Heat Exchanger Anexo 8 Supplementary Requirements for Atmospheric Storage Tanks Requisitos suplementares para Tanques de Armazenamento Atmosféricos Anexo 9 Requirements for internal floating roof to be fitted in Fixed Roof Storage Tank Anexo 10 Heater Supply Scope and Responsibilities Anexo 11 Projeto Básico Padronizado de Fornos Anexo 12 Standard Technical Specification for Heaters and Furnaces Anexo 13 Projeto, Fabricação, Montagem, Inspeção e Testes de Sistemas de Tubulação em Serviço Tóxico Anexo 14 Projeto, Fabricação, Inspeção e Testes de Vasos de Pressão em Serviço Tóxico Anexo 15 Serviços Tóxicos – Critérios de Classificação e Requisitos de Instalação Anexo 16 Supplementary Requirements for Low Temperature Service Anexo 17 Supplementary Requirements for NDE Examinations of critical equipments Anexo 18 Requisitos para inspeção e plano de testes de equipamentos críticos Anexo 19 Rules to Calculate Wind Loading on Equipment Based on ABNT Standard NBR- 6123


Anexo 20 Technical Specification Bellows for Balanced Pressure Relief Valves Anexo 21 Construção de válvulas PSVs de alívio hidráulico (¾” x 1”) Anexo 22 Requisitos de Junta de Vedação tipo dupla camisa a ser utilizada em permutadores de calor Anexo 23 Junta de vedação do tipo Camprofile para Permutadores de Calor Anexo 24 Junta tipo Camprofile para Tubulações e Bocais de Equipamentos Anexo 25 Requisitos de juntas de vedação tipo anel metálico RTJ- Ring Type Joint ou para FJA- Flange de Junta com Anel Anexo 26 Requisitos de juntas de vedação tipo espiralada construção com densidade controlada Anexo 27 Requisitos para fornecimento de parafusos, estojos, barras roscadas, porcas e arruelas de ligações aparafusadas de uniões flangeadas Anexo 28 Gaxetas, Buchas e Fitas Convencionais sem Requisito de Baixa Emissão Fugitiva Anexo 29 Gaxetas Com Requisito de Baixa Emissão Fugitiva Anexo 30 Válvulas para Baixa Emissão Fugitiva Anexo 31 Supplementary requirements for Hydrotreatment Reactors Anexo 32 Supplementary Requirements for Delayed Coking Drums Requisitos suplementares para Tambores de Coqueamento Retardado Anexo 33 Juntas de vedação de internos de Vasos de Pressão, Torres e Reatores Anexo 34 Sobressalentes para equipamentos estáticos Standard spare part lists per type of Static Equipment Anexo 35 Requisitos para a execução de Análise de Tensões pelo Método de Elementos Finitos (MEF) Anexo 36 Technical Specification for Tank Mixers Anexo 37 Technical Specification for Fabrication Requirements of Waste Heat Exchangers


Anexo 38 Especificações de molas para uso em Válvulas de Segurança e Alívio Anexo 39 Válvulas de Alívio de Pressão e Vácuo de Tanques de Armazenamento Anexo 40 Dispositivo Corta-Chamas (“Flame Arresters”)

anexo 1 livro de informações básicas de empreendimento ... · • nr-13 norma regulamentadora...

Documents