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N-1710 REV. M ENGLISH 11 / 2010

PROPERTY OF PETROBRAS 15 pages, Index of Revisions and WG

Coding of Technical Engineering Documents

Procedure

This Standard replaces and cancels its previous revision.

The CONTEC - Authoring Subcommittee provides guidance on the interpretation of this Standard when questions arise regarding its contents. The Department of PETROBRAS that uses this Standard is responsible for adopting and applying the sections, subsections and enumerates thereof.

CONTEC Comissão de Normalização

Técnica

Technical Requirement: A provision established as the most adequate and which shall be used strictly in accordance with this Standard. If a decision is taken not to follow the requirement (“non-conformity” to this Standard) it shall be based on well-founded economic and management reasons, and be approved and registered by the Department of PETROBRAS that uses this Standard. It is characterized by imperative nature.

Recommended Practice: A provision that may be adopted under the conditions of this Standard, but which admits (and draws attention to) the possibility of there being a more adequate alternative (not written in this Standard) to the particular application. The alternative adopted shall be approved and registered by the Department of PETROBRAS that uses this Standard. It is characterized by verbs of a nonmandatory nature. It is indicated by the expression: [Recommended Practice].

SC - 12

Copies of the registered “non-conformities” to this Standard that may contribute to the improvement thereof shall be submitted to the CONTEC - Authoring Subcommittee.

Proposed revisions to this Standard shall be submitted to the CONTEC - Authoring Subcommittee, indicating the alphanumeric identification and revision of the Standard, the section, subsection and enumerate to be revised, the proposed text, and technical/economic justification for revision. The proposals are evaluated during the work for alteration of this Standard.

General Design Standards

“The present Standard is the exclusive property of PETRÓLEO BRASILEIRO S.A. - PETROBRAS, for internal use in the Company, and any reproduction for external use or disclosure, without previous and express authorization from the owner, will imply an unlawful act pursuant to the relevant legislation through which the applicable responsibilities shall be imputed. External circulation shall be regulated by a specific clause of Secrecy and Confidentiality pursuant to the terms of intellectual and industrial property law.”

Introduction

PETROBRAS Technical Standards are prepared by Working Groups - WG

(consisting specialized of Technical Collaborators from Company and its Subsidiaries), are

commented by Company Units and its Subsidiaries, are approved by the Authoring Subcommittees -

SCs (consisting of technicians from the same specialty, representing the various Company Units and

its Subsidiaries), and ratified by the Executive Nucleus (consisting of representatives of the Company

Units and its Subsidiaries). A PETROBRAS Technical Standard is subject to revision at any time by its

Authoring Subcommittee and shall be reviewed every 5 years to be revalidated, revised or cancelled.

PETROBRAS Technical Standards are prepared in accordance with PETROBRAS Technical

Standard N-1. For complete information about PETROBRAS Technical Standards see PETROBRAS

Technical Standards Catalog. .

N-1710 REV. M ENGLISH 11 / 2010

2

Summary

Foreword.................................................................................................................................................. 4

1 Scope................................................................................................................................................... 4

2 Normative References......................................................................................................................... 4

3 Terms and Definitions.......................................................................................................................... 4

4 Basic Directive..................................................................................................................................... 5

5 Structure of Coded Number................................................................................................................. 5

6 Concepts of Basic Groups................................................................................................................... 6

6.1 Identification of Document Language (Group 0) .................................................................... 6

6.2 Document Category - Annex A (Group 1).............................................................................. 6

6.3 Identification of Facility – Annex B (Group 2)......................................................................... 7

6.4 Areas of Activities - Annexes C and E (Group 3)................................................................... 8

6.5 - Class of Services, Materials and Equipment - Annexes D and F (Group 4)...................... 9

6.6 Source Code Document (Group 5) ...................................................................................... 10

6.7 Chronology (Group 6) ......................................................................................................... 11

7 Coding Applications........................................................................................................................... 11

7.1 How to fill in spaces.............................................................................................................. 11

7.2 Identification of Industrial Equipment ................................................................................... 11

7.3 Identification of Piping Lines ................................................................................................ 11

7.4 Application Instructions ........................................................................................................ 11

7.5 Illustrative Examples ............................................................................................................ 13

7.5.1 Example 1 .................................................................................................................... 13

7.5.2 Example 2 .................................................................................................................... 13

7.5.3 Example 3 .................................................................................................................... 13

7.5.4 Example 4 .................................................................................................................... 14

7.5.5 Example 5 .................................................................................................................... 14

7.5.6 Example 6 .................................................................................................................... 14

7.5.7 Example 7 .................................................................................................................... 14

7.5.8 Example 8 .................................................................................................................... 15

7.5.9 Example 9 .................................................................................................................... 15

N-1710 REV. M ENGLISH 11 / 2010

3

Figure

Figure 1 - Basic Groups........................................................................................................................... 5

N-1710 REV. M ENGLISH 11 / 2010

4

Foreword This Standard is the English version (issued in 11/2010) of PETROBRAS N-1710 REV. M 11/2010. In case of doubt, the Portuguese version, which is the valid document for all intents and purposes, shall be used. 1 Scope 1.1 The objective of this Standard is to secure uniformity and systematize the coding of technical engineering documents issued in paper or electronic form relating to PETROBRAS facilities so that they can be filed in an organized manner and information can be easily retrieved. 1.2 This Standard is intended to standardize the terminology of the areas of activities. 1.3 This Standard is not applicable to the coding or numbering of purchase orders and material supply authorizations. 1.4 This Standard may be applied to the coding of documents provided by manufacturers. [Recommended Practice] 1.5 This Standard is applied to technical engineering documents relating to facilities, which are issued in the design, construction, assembly, commissioning, and operation phases, as of its date of issuance. 1.6 This Standard contains Technical Requirements and Recommended Practices. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies..

PETROBRAS N-1521 - Identification of Industrial Equipment;

PETROBRAS N-1522 - Identification of Industrial Piping;

PETROBRAS N-2064 - Issuance and Revision of Design Documents. NOTE For documents referred in this Standard and for which only the Portuguese version is

available, the PETROBRAS department that uses this Standard should be consulted for any information required for the specific application.

3 Terms and Definitions For the purposes of this document, the following terms and definitions apply. 3.1 facility operational facilities, such as: production fields, terminals, pipelines, refineries, vessels, as well as administrative facilities

3.2 coded nit is the codes re

3.3 basic gelement

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N-1710 REV. M ENGLISH 11 / 2010

6

5.3 In the number, the codes referring to the basic groups are separated by hyphens, as shown in Figure 1. 6 Concepts of Basic Groups 6.1 Identification of Document Language (Group 0) 6.1.1 This is the basic group that identifies the language in which the document was issued and it shall be used only for languages other than Portuguese. 6.1.2 This group is comprised of one letter and its configuration is illustrated below:

Group 0

Identification of Language

6.1.3 The following characters shall be used to distinguish the language of the document:

— I - for the English language; — A - for the German language; — F - for the French language; — L - for the Italian language; — E - for the Spanish language; — D - for others languages.

6.1.4 This group is intended to indicate the language of a document, when the document is issued in versions with more than one language, or to demonstrate the single language in which the document was issued. 6.1.5 Should the body of the document contain more than one language, the user shall be coded the document based on the language the user considers to be the most important. If one of the languages involved is Portuguese, this group shall not be used. 6.2 Document Category - Annex A (Group 1) 6.2.1 The area of activity is associated with an installation (Annex B), or parts of a system that develops in a specific function. 6.2.2 This group is comprised of two letters and its configuration is illustrated below:

Annex A

Document Category

LL

N-1710 REV. M ENGLISH 11 / 2010

7

6.2.3 Examples of Annex A: EXAMPLE 1

For coding Material Requisition: RM EXAMPLE 2

For coding an Operations Manual: MA 6.3 Identification of Facility - Annex B (Group 2) 6.3.1 This is the basic group that identifies the facility to which the document refers. The Annex B presents a list of codes. 6.3.2 This group is composed of two sets of characters, separated by a period, as illustrated below:

Annex B

Identification of Facility

ABBB.CC

6.3.3 The first character, indicated by the letter “A” in the block of 6.3.2, identifies the area of operations of PETROBRAS, in line with the following criterion:

— 0 - Central Administration Facilities; — 1 - Exploration E&P (Exploration Area - former DEPEX); — 2 - Drilling E&P (Drilling Area - former DEPER); — 3 - Production E&P (Production Area - former DEPRO); — 4 - Transportation ABAST-LOG/GGO-TRAN (Transportation Area - former

ABAST-TRAN); — 5 - Refining: ABAST-REF( Refining Area - former DEPIN); — 6 - Project for Subsidiary, Controlled and Affiliated Companies; — 7 - Projects Abroad; — 8 - Project in Brazil, outside the PETROBRAS System; — 9 - Energy.

6.3.4 The three characters after the first group, indicated by the letter “B” in the block of 6.3.2, identify the facilities of each area of operations. 6.3.4.1 When the character indicated by the letter “A” takes on a value of 3 (E&P - Production Area), the first “B” indicates the Business Unit of E&P, starting from 0 to 9 and then from A to Z (excluding letters “I” and “O”). 6.3.4.2 When the character, indicated by the letter “A” takes on a value of 3 (E&P -Production Area), the second and third “B” indicate the Production Field, starting from 00 to 99 and then from 0A to 0Z (excluding letters “I” and “O”), 1A to 1Z (excluding letters “I” and “O”), 2A to 2Z (excluding letters “I” and “O”) and so forth up to 9A to 9Z (excluding letters “I” and “O”).

6.3.5 Inthe fieldwhich a 6.3.6 T“Differenwhich a 6.3.7 Wcoding. 6.3.8 E EXAMP

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N-1710 REV. M ENGLISH 11 / 2010

9

6.4.1.2 The Annex C shall be used in the remaining cases. 6.4.2 The area of activity is associated with an installation (Annex B), or parts of a system that develops in a specific function. 6.4.2.1 The first digit (A), which is optional, is used to distinguish the areas of repeated activities or alternative designs for the same facility. Thus, this differentiation shall only be used when the areas of activities of one and the same facility are essentially similar, such as, for example: repeated process units. 6.4.2.2 The four last digits identify the nature of the area of activity. 6.4.3 When a document covers more than one activity, the prevailing one shall be considered in the coding. A typical example is a process unit covering a small product treatment unit. 6.4.4 Examples of Annex C: EXAMPLE 1

For coding a single atmospheric distillation unit: 2111; EXAMPLE 2

For coding the second atmospheric distillation unit and since this is the second unit: 22111 EXAMPLE 3

For coding of codification 26213: 2nd Light Products Pumping Station; EXAMPLE 4

For coding of 2 platform alternatives for the same production field: TLWP and SPAR: ET-3010.47-11200-941-pgt-002 (TLWP) ET-3010.47-21200-941-pgt-002 (SPAR).

6.5 - Class of Services, Materials and Equipment - Annexes D and F (Group 4) 6.5.1 Consisting of three digits that represent specific services, equipment or materials used in a particular area of activity. The configuration of Annex D and F is indicated below. Annexes D and F present the list of service classes with the corresponding codes.

Annex D and F

Class of Services, Equipment and Materials

AAA

6.5.1.1 case, th 6.5.1.2 6.5.2 T(excludi 6.5.3 Aflexibilityin 6.5.3. 6.5.3.1 shall beinvolvingthe code220. 6.5.3.2 specific code 22 6.5.3.3 the purrequisiti 6.5.3.4 distinct motor-p 6.5.4 E EXAMP

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N-1710 REV. M ENGLISH 11 / 2010

11

Group 5

Source Code Document

LLL or LLA

6.6.2 When this Standard is applied to manufacturers documents, it is recommended that a specific code be used for equipment manufacturers and code “ZZZ” for the other ones. [Recommended Practice] 6.6.3 Codes beginning with the letter “P” are to be used only for the PETROBRAS departments. 6.7 Chronology (Group 6) This is a basic group consisting of three digits; it identifies the numerical sequence of a particular category of documents referring to one and the same issuer, service class, area of activity, and facility. The configuration of group 6 is illustrated below:

Group 6

Chronology

AAA

7 Coding Applications 7.1 How to fill in spaces As a general rule, in coding a document all spaces referring to the 7 basic groups shall be filled in, except for the caracter used for differentiating the language, two optional numbers of Annex B and the differentiating number of Annex C or E, when they are not applicable. 7.2 Identification of Industrial Equipment For identification of equipment, as described in PETROBRAS N-1521, shall be used the area code of activity (Annex C) or plant (Annex B). 7.3 Identification of Piping Lines For the identification of pipe lines, as described in PETROBRAS N-1522, shall be used on the area code of activity (Annex C). 7.4 Application Instructions 7.4.1 The indices of each of the categories of documents shall be identified by the same code of the category, with group 6 - Chronology, being numbered as “000” (zero, zero, zero). Exceptionally, the use of four numbers shall be permitted in those cases in which the chronology exceeds the hundreds.

N-1710 REV. M ENGLISH 11 / 2010

12

7.4.2 Indices of documents. 7.4.3 The code indicating the revision shall be placed in the appropriate field, as described in PETROBRAS N-2064. 7.4.4 Oil and Gas Pipelines 7.4.4.1 When oil and gas pipelines are characterized as transport facilities, the code for identifying the facility (Annex B) corresponds to the pipeline right of way. The area of activity (Annex C) is suitable within the “Pipelines” item. As to the service class (Annex D), the corresponding code shall be considered (see example in 7.5.5). 7.4.4.2 The pipelines of the production regions shall be coded as independent facilities (Annex B) within the following criteria:

a) pipelines interconnecting distinct production regions (example: GASEB - code 3103.10); b) trunk lines receiving production from distinct fields.

7.4.4.3 The other pipelines, in the following cases, shall be coded with the code for installation of origin, considering the direction of product flow:

a) connection between platforms of the same field or distinct fields; b) connection between platform and trunk oil or gas pipeline; c) connection between gathering stations of the same field or distinct fields; d) connection between gathering stations and satellite manifolds; e) connection between gathering station and well; f) connection between gathering stations and trunk oil and gas pipelines.

7.4.4.4 The code for area of activity (Annexes C or E) shall correspond to the type of pipeline (oil pipeline-6510, gas pipeline-6520, alcohol pipeline-6530) (see example in 7.5.6). 7.4.5 Fixed Offshore Platforms 7.4.5.1 Fixed platforms are considered “facilities” according to the coding in Annex B. 7.4.5.2 Modular platforms shall be coded as to the area of activity (Annexes C or E) by their various operational systems (process, utilities). The use of codes for modules (1 400) shall be restricted to the specific parts of the actual module, such as its structure, for instance. This application is mainly intended for documents used for manufacturing, construction and assembly of those modules. Flow sheets and electrical diagrams are coded by units or systems. (example: code 5140). 7.4.5.3 Non-modular platforms are divided, in the general case, as to areas of activity into jacket, deck, helideck, flare, gas-lift system, water injection system, processing units, utilities, and accommodations. In that case they shall be identified by the code of the corresponding area of activity. 7.4.6 Stationary Drilling Units (Unidades Estacionárias de Perfuração - UEP) 7.4.6.1 Stationary drilling units are coded as E&P - Drilling Area, code 2000.00 of Annex B -Identification of Facilities.

N-1710 REV. M ENGLISH 11 / 2010

13

7.4.6.2 Stationary production units are identified as E&P - Production Area, facilities on mobile units, code 3010.00, connected to the corresponding mobile unit, ship, semi-submersible unit, TLP, SPAR etc. 7.4.6.3 For designs presenting various alternatives for the same production field, use field “A” (Annexes C or E) for differentiation [see examples in 6.4.4 d) and 7.5.7]. 7.4.7 Equipment for Strategic Stock In documents relating to equipment intended for strategic stock, the field of Annex B - Facility shall be left in blank until its destination is known, whereupon it shall be filled in. 7.4.8 Standardized and/or Technological Designs For documents relating to standardized designs of repetitive use or of a technological nature, Annex B - Facility shall be left in blank or the general code of the company’s segment shall be used (example: 3 000.00). When the design is used for a particular installation, the documents shall have Annex B numbered for comprising the set of documents for that facility. 7.5 Illustrative Examples 7.5.1 Example 1 The first Descriptive Memorandum (Memorial Descritivo - MD) for drilling of the laboratory of Guarulhos Terminal, prepared by ABAST-LOG/GGO-TRAN (former ABAST-TRAN).

MD - 4300.06-8222-114-PDT-001. Category: MD - Descriptive Memorandum; Facility: 4300.06 – Guarulhos Terminal; Area of Activity: 8222 - Laboratory; Service Class: 114 - Drilling; Origin: PDT - ABAST-TRAN; Chronology: 001.

7.5.2 Example 2 The 5th piping plan issued by ABAST-REF referring to the Delayed Coking Unit (first Unit) of RPBC.

DE-5210.00-2212-200-PDI-005. Category: DE - Drawing; Installation: 5210.00 - Presidente Bernardes Refinery (RPBC); Area of Activity: 2212 - Delayed Coking Unit (1st Unit); Service Class: 200 - Piping; Origin: PDI - ABAST-REF; Chronology: 005 - 5th drawing.

7.5.3 Example 3 The drawing of towers issued by CENPES referring to the second Delayed Coking Unit of REVAP. By comparing examples 2 and 3 (7.5.1 and 7.5.2), note that the number for differentiating the area of activity is only used after the occurrence of the second area of repeated activity.

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DE - 5285.00-22212-550-PPC-001. Category: DE - Drawing; Facility: 5285.00 - Henrique Lage Refinery (REVAP); Area of Activity: 22212 - Delayed Coking Unit (2nd Unit); Service Class: 550 - Towers; Origin: PPC - CENPES; Chronology: 001 - 1st drawing.

7.5.4 Example 4 The second Data Sheet of tube bundle heat exchangers belonging to the oil processing unit of the 3rd Platform of Ubarana Field, of E&P-UN-RNCE, issued by E&P.

I-FD-3418.03-1220-451-PEP-002. Document issued in English: I; Category: FD - Data Sheet (Folha de Dados - FD); Facility: 3418.03 - Ubarana Production Platform 3 (PUB-3) of the Ubarana

Production Field of E&P-UN-RNCE; Area of Activity: 1220 - Oil Processing Unit; Service Class: 451 - Tube Bundle Heat Exchangers; Origin: PEP - E&P; Chronology: 002 - 2nd Data Sheet.

7.5.5 Example 5 The 15th Piping drawing issued by ABAST-LOG/GGO-TRAN referring to the Natural Gas Pipeline of the Barra do Furado - Campos Elíseos Pipeline Right of Way of former TORGUÁ.

DE-4150.52-6521-200-PDT-015. Category: DE - Drawing; Facility: 4150.52 - Pipeline Right of Way of Barra do Furado -Campos Elíseos

of DTSE (former TORGUÁ); Area of Activity: 6521 - Natural Gas Pipeline; Service Class: 200 - Piping; Origin: PDT - ABAST-TRAN; Chronology: 015 - 15th drawing.

7.5.6 Example 6 The 8th piping drawing issued by E&P referring to the riser originating at Agulha Production Platform 1 (PAG-1) of E&P/UN-RNCE.

DE-3416.01-6510-200-PEP-008. Category: DE - Drawing; Installation: 3416.01 - Agulha Production Platform 1 (PAG-1) of Agulha Production

Field of E&P/UN-RNCE; Area of Activity: 6510 - Oil pipeline; Service Class: 200 - Piping; Origin: PEP - E&P; Chronology: 008 - 8th drawing.

7.5.7 Example 7 This is the Technical Specification (Especificação Técnica - ET) for two alternative designs for the Barracuda Field in the bidding phase, a Tension Leg Well Platform (TLWP) and a SPAR platform.

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ET-3010.47-11200-941-PGT-002 (TLWP-1); ET-3010.47-21200-941-PGT-002 (SPAR-1); Category: ET - Technical Specification; Facility: 3010.47 - Barracuda Production Platform P-41; Area of Activity: 11200 - Production (TLWP-1); 21200 – Production (SPAR-1); Service Class: 941 - Design Engineering - Basic Design Data; Origin: PGT - GETINP - E&P; Chronology: 002 - 2nd Technical Specification.

7.5.8 Example 8 The 3rd drawing of the bilge pump issued by FRONAPE and common to all “Ataulfo Alves” class tankers is exemplified below:

DE-4850.00-0376-110-PTF-003; Category: DE - Drawing; Facility: 4850.00 - Ataulfo Alves Class; Area of Activity: 0376 - Bilge; Service Class: 110 - Bilge Pump; Origin: PTF - PETROBRAS - ABAST-TRAN - FRONAPE; Chronology: 003 - 3rd drawing of Pump.

7.5.9 Example 9 The 1st engine room layout issued by FRONAPE referring to the modification implemented only in the “Ataulvo Alves” Class “Cartola” tanker.

DE-4850.02-5000-000-PTF-001; Category: DE - Drawing; Facility: 4850.02 - Ataulfo Alves Class, Cartola tanker; Area of Activity: 5000 - Engine Room Layouts; Service Class: 000 - General; Origin: PTF - PETROBRAS - ABAST-TRAN - FRONAPE; Chronology: 001 - 1st exclusive engine room layout for this tanker.

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IR 1/3

INDEX OF REVISIONS

REV. A, B, C, D, E and F

There is no index of revisions.

REV. G

Affected Parts Description of Alteration

Annex A Revised

Annex B Revised

Annex C Revised

Annex D Revised

Annex E Revised

Index of Revisions Included

REV. H

Affected Parts Description of Alteration

1.1 Revised

5.1 Revised

6.3.4 to 6.3.6 Revised

6.4.1 Revised

6.6.1 Revised

REV. J

Affected Parts Description of Alteration

1 Revised and Renumbered

5.1 Revised

6.2.3 Revised

6.3.5 Revised

6.5.2 Revised

6.5.3 Included and Renumbered

6.5.4 Renumbered

6.7 Revised

7.4 Revised

7.5.1 to 7.5.7 Revised

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IR 2/3

REV. K

Affected Parts Description of Alteration

1.2 to 1.3 Eliminated

1.2 to 1.6 Renumbered

5.1 Revised

6.1.4 Revised

6.1.6 to 6.1.7 Included

6.4.1 Revised

6.4.1.1 a 6.4.1.2 Included

6.5.1 Revised

6.5.1.1. to 6.5.1.2 Included

6.5.4 Revised

7.5.8 to 7.5.9 Included

REV. L

Affected Parts Description of Alteration

1.5 Revised

Figura 1 Revised

6.1.6 and 6.1.7 Eliminated

6.3.8 Revised

6.4.1 Revised

6.4.4.1 Revised

6.4.4 Revised

6.5.1 Revised

6.5.5.1 Revised

6.5.4 Revised

7.5.2 Revised

7.5.3 Revised

7.5.4 Revised

7.5.6 Revised

7.5.7 Revised

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IR 3/3

REV. M

Affected Parts Description of Alteration

6.4.2 Revised

6.5.3.2. Revised

7.2 Revised

7.3 Revised

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WORKING GROUP - WG-12-18

Members

Name Department Telephone Key

Maria Esmeralda T. A. Silva TIC/TIC-E&P/TICDT-RIO 816-3667 K007

Elizabeth M. Tolomei Moletta CENPES/GTEC/ITPI 812-6106 BP22

Filipe Castello da Costa Beltrão Diniz

CENPES/EB-E&P/EPEP 812-2406 CQG8

Marilda Martins Coelho TRANSPETRO/PRES/SE/ENG/POE/CID 811-9242 XVBT

Carlos Cunha Dias Henriques

CENPES/PDP/TMEC 816-1565 Q080

Heloísa Helena S. Barroso TIC/TIC-E&P/DTEP 814-2613 K004

Flaviano Leite De Oliveira E&P-ENGP/IPP/EISA 814-2675 Q008

Carlos José Monteiro UN-BC/ENGP/EIS 861-2519 QM42

Paulo Sergio Gomes Ferreira ENGENHARIA/IEEPT/IECN/PS 819-0284 UPG5

Marcelo de Freitas Guimarães

GE-LPGN/PLGN/PSL 819-4428 CTL7

Laelson Aparecido Martins ENGENHARIA/IEEPT/EEPTM/EAPR 819-3586 SGNJ

Bruno Ramalho Rímolo TIC/TIC-E&P/TICDT-BC 861-0995 FRAJ

Wallace Mendonca Neto TRANSPETRO/PRES/SE/ENG/POE/CID 811-9137 TSLK

Guest(s)

Max Yukio Minato E&P-ENGP/IPP/EISA 814-0539 BZJ5

Norma Roseli de Oliveira TIC/TIC-G&E/SNT 819-4220 WSMX

Technical Secretary

Flávio Miceli ENGENHARIA/AG/NORTEC-GC 819-3078 ERQE

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3.2 coded number it is the alphanumeric unit which identifies the document and is obtained by the orderly combination of codes representing the various basic groups comprising it 3.3 basic groups elements comprising the coded number 4 Basic Directive In the coded number the basic groups are ordered from most general to most specific. 5 Structure of Coded Number 5.1 According to the criterion in Section 4, the coded number shall be made up of 7 basic groups ordered as described in Figure 1.

Annex A Annex B Annex C

(or E) Annex D

(or F)

Group 0 Group 1 Group 2 Group 3 Group 4 Group 5 Group 6

Identification of

Language

Document Category

Identification of

Facility

Areas of

Activities

Class of services,Equipment,

And Materials

Source Code Document

Chronology

L – LL – ABBB.CC – ABBBB – AAA – LLL – AAA

Note 4 Notes 1 and 4 Notes 2 and 4

Note 4 Note 3

Where:

L is the letter; A, B, C are the alphanumeric.

NOTE 1 Mandatory differentiating characters for all areas. NOTA 2 Differentiating a character used only in the case of repetition (from the first area of repeated

activity). NOTA 3 Document Origin (Group 5) shall be consulted on the PETROBRAS intranet on NORTEC-

GC’s page. NOTA 4 The Annex A (Group 1), Annex B (Group 2), Annexes C or E (Group 3), Annex D or F

(Group 4) and Annex G (Index of Revision) shall be consulted on the intranet to PETROBRAS, on the page of NORTEC-GC.

Figure 1 - Basic Groups

5.2 The basic groups comprising the coded number, as shown in FIGURE 1, are described below:

a) Identification of Language (Group 0); b) Annex A - Document Category (Group 1); c) Annex B - Identification of Facility (Group 2); d) Annexes C or D - Area of Activity (Group 3); e) Annexes D or F - Class of Services, Equipment and Materials (Group 4); f) Source Code Document (Group 5); g) Chronology (Group 6).

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6.5.1.1 Annex F shall be used whenever the area of activity applies to FRONAPE ships. In which case, the numbering of Annex B (Identification of Facility) will begin with “48”. 6.5.1.2 Annex D shall be used in the remaining cases. 6.5.2 The third character indicated by the letter “A” shall begin from zero to 9 and then from A to Z (excluding letters “I” and “O”). 6.5.3 A document shall be classified in a general group or in subgroups of Annex D with some flexibility, depending on the complexity of the project under consideration. Thus, the directives set out in 6.5.3.1 to 6.5.3.4, shall be adopted. 6.5.3.1 Drawings and documents involving different subjects of one and the same group or subgroup shall be coded with the general class of that group or subgroup. Thus, a piping plan, for instance, involving pipes (subgroup 210), valves (subgroup 220), and fittings (subgroup 240), will be assigned the code 200 (general piping); a specification for valves covering different types will be given the code 220. 6.5.3.2 It is recommended that the drawings of specific details are encrypted with the corresponding specific code. As an example, may be mentioned the design of a special valve that should receive the code 229. [Recommended Practice] 6.5.3.3 Specifications, Data Sheets, Material Requisitions and others similar documents, originating the purchase of materials, shall be coded with the corresponding specific code. For instance, requisitions for valves shall be grouped in gate valves (code 221) and globe valves (code 222). 6.5.3.4 In the case of documents referring to assemblies of connected equipment belonging, to distinct service classes, the class of the equipment performing the main function will prevail. Example: motor-pump units shall be coded as pumps. 6.5.4 Examples of Annex D and F: EXAMPLE 1

For coding a document relating to foundations: according to Annex D: 120 - Foundations. EXAMPLE 2

For coding class of service 181: Landscaping. EXAMPLE 3

For coding a document referring to the speed regulator of Power System and Tank Cleaning: 325 - Speed Regulator.

6.6 Source Code Document (Group 5) 6.6.1 This is a basic group consisting of three letters. It identifies the issuer of the document (PETROBRAS department or contracted firm). The codes relating to the PETROBRAS departments or contracted firms shall be obtained from NORTEC-GC. The configuration of group 5 is indicated below:

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Group 5

Source Code Document

LLL

6.6.2 When this Standard is applied to manufacturers documents, it is recommended that a specific code be used for equipment manufacturers and code “ZZZ” for the other ones. [Recommended Practice] 6.6.3 Codes beginning with the letter “P” are to be used only for the PETROBRAS departments. 6.7 Chronology (Group 6) This is a basic group consisting of three digits; it identifies the numerical sequence of a particular category of documents referring to one and the same issuer, service class, area of activity, and facility. The configuration of group 6 is illustrated below:

Group 6

Chronology

AAA

7 Coding Applications 7.1 How to fill in spaces As a general rule, in coding a document all spaces referring to the 7 basic groups shall be filled in, except for the digit used for differentiating the language, dos optional digits of Annex B and the differentiating digit of Annex C or E, when they are not applicable. 7.2 Identification of Industrial Equipment For identification of equipment, as described in PETROBRAS N-1521, shall be used the area code of activity (Annex C) or plant (Annex B). 7.3 Identification of Piping Lines For the identification of pipe lines, as described in PETROBRAS N-1522, shall be used on the area code of activity (Annex C). 7.4 Application Instructions 7.4.1 The indices of each of the categories of documents shall be identified by the same code of the category, with group 6 - Chronology, being numbered as “000” (zero, zero, zero). Exceptionally, the use of four digits shall be permitted in those cases in which the chronology exceeds the hundreds.

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7.4.6.2 Stationary production units are identified as E&P - Production Area, facilities on mobile units, code 3010.00, connected to the corresponding mobile unit, ship, semi-submersible unit, TLP, SPAR etc. 7.4.6.3 For designs presenting various alternatives for the same production field, use field “A” (Annexes C or E) for differentiation [see examples in 6.4.4 d) and 7.5.7]. 7.4.7 Equipment for Strategic Stock In documents relating to equipment intended for strategic stock, the field of Annex B - Facility shall be left in blank until its destination is known, whereupon it shall be filled in. 7.4.8 Standardized and/or Technological Designs For documents relating to standardized designs of repetitive use or of a technological nature, Annex B - Facility shall be left in blank or the general code of the company’s segment shall be used (example: 3 000.00). When the design is used for a particular installation, the documents shall have Annex B numbered for comprising the set of documents for that facility. 7.5 Illustrative Examples 7.5.1 Example 1 The first Descriptive Memorandum (Memorial Descritivo - MD) for drilling of the laboratory of Guarulhos Terminal, prepared by ABAST-LOG/GGO-TRAN (former ABAST-TRAN).

MD - 4300.06-8222-114-PDT-001. Category: MD - Descriptive Memorandum; Facility: 4300.06 – Guarulhos Terminal; Area of Activity: 8222 - Laboratory; Service Class: 114 - Drilling; Origin: PDT - ABAST-TRAN; Chronology: 001.

7.5.2 Example 2 The 5th piping plan issued by ABAST-REF referring to the Delayed Coking Unit (first Unit) of RPBC.

DE-5210.00-2212-200-PDI-005. Category: DE - Drawing; Installation: 5210.00 - Presidente Bernardes Refinery (RPBC); Area of Activity: 2212 - Delayed Coking Unit (1st Unit); Service Class: 200 - Piping; Origin: PDI - ABAST-REF; Chronology: 005 - 5th drawing.

7.5.3 Example 3 The drawing of towers issued by CENPES referring to the second Delayed Coking Unit of REVAP. By comparing examples 2 and 3 (7.5.1 and 7.5.2), note that the digit for differentiating the area of activity is only used after the occurrence of the second area of repeated activity.

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3.2 coded number it is the alphanumeric unit which identifies the document and is obtained by the orderly combination of codes representing the various basic groups comprising it 3.3 basic groups elements comprising the coded number 4 Basic Directive In the coded number the basic groups are ordered from most general to most specific. 5 Structure of Coded Number 5.1 According to the criterion in Section 4, the coded number shall be made up of 7 basic groups ordered as described in Figure 1.

Annex A Annex B Annex C

(or E) Annex D

(or F)

Group 0 Group 1 Group 2 Group 3 Group 4 Group 5 Group 6

Identification of

Language

Document Category

Identification of

Facility

Areas of

Activities

Class of services,Equipment,

And Materials

Source Code Document

Chronology

L – LL – ABBB.CC – ABBBB – AAA – LLL – AAA

Note 4 Notes 1, 4 and 5

Notes 2, 4 and 5

Notes 4 and 5 Notes 3 and 5

Where:

L is the letter; A, B, C are the numbers.

NOTE 1 Mandatory differentiating characters for all areas. NOTA 2 Differentiating a character used only in the case of repetition (from the first area of repeated

activity). NOTA 3 Document Origin (Group 5) shall be consulted on the PETROBRAS intranet on NORTEC-

GC’s page. NOTA 4 The Annex A (Group 1), Annex B (Group 2), Annexes C or E (Group 3), Annex D or F

(Group 4) and Annex G (Index of Revision) shall be consulted on the intranet to PETROBRAS, on the page of NORTEC-GC.

NOTE 5 It is accepted the use of letter codes where the numbering is exhausted.

Figure 1 - Basic Groups 5.2 The basic groups comprising the coded number, as shown in FIGURE 1, are described below:

a) Identification of Language (Group 0); b) Annex A - Document Category (Group 1); c) Annex B - Identification of Facility (Group 2); d) Annexes C or D - Area of Activity (Group 3); e) Annexes D or F - Class of Services, Equipment and Materials (Group 4); f) Source Code Document (Group 5); g) Chronology (Group 6).

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6.3.5 In the cases 0, 5, 6, 7, 8 and 9 listed in 6.3.3, the creation of codes for new facilities relating to the fields of Annex B, indicated by “BBB” in the of 6.3.2, is the exclusive responsibility of CONTEC, to which a specific request shall be made. 6.3.6 The last two characters indicated by the letter “C” in the block of 6.3.2 are used as the “Differentiating Code” to indicate the parts of the facility situated in different geographic locations, which are obligatory for the production, transportation and refining areas. 6.3.7 When a document covers more than one facility, the prevailing one may be considered in the coding. 6.3.8 Examples of Annex B: EXAMPLE 1

For coding the facility of Ubarana production field of Potiguar Basin we have: 3418.00 - E&P-UN-RNCE - Campo de Produção Ubarana;

EXAMPLE 2

For coding the facility of production field of Xaréu 2 we have: 3432.02 - E&P-UN-RNCE - Campo de Produção Xaréu - Plataforma de Xaréu 2 (PXA-2);

EXAMPLE 3

For coding the facility of Ilha D’água, of Pipelines and Terminals of the Southeast we have: 4150.30 - Terminal of Ilha D’água;

EXAMPLE 4

For coding the facility of Presidente Getúlio Vargas Refinery (REPAR) we have: 5295.00 - Refinaria Presidente Getúlio Vargas -REPAR;

EXAMPLE 5

For coding the facility of Fazenda Gameleira Production Field of E&P-UN-BA we have: 310A.00 - E&P-UN-BA - Fazenda Gameleira Production Field.

6.4 Areas of Activities - Annexes C and E (Group 3) 6.4.1 The Annexes C and E present a list of areas of activities with the corresponding codes. The configuration of Annex C and Annex E is indicated below.

Annexes C and E

Areas of Activities

ABBBB

6.4.1.1 The Annex E shall be used whenever the area of activity applies to FRONAPE ships. In which case, the numbering of Annex B (Identification of Facility) shall begin with “48”.

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6.5.1.1 Annex F shall be used whenever the area of activity applies to FRONAPE ships. In which case, the numbering of Annex B (Identification of Facility) will begin with “48”. 6.5.1.2 Annex D shall be used in the remaining cases. 6.5.2 The third character indicated by the letter “A” shall begin from zero to 9 and then from A to Z (excluding letters “I” and “O”). 6.5.3 A document shall be classified in a general group or in subgroups of Annex D with some flexibility, depending on the complexity of the project under consideration. Thus, the directives set out in 6.5.3.1 to 6.5.3.4, shall be adopted. 6.5.3.1 Drawings and documents involving different subjects of one and the same group or subgroup shall be coded with the general class of that group or subgroup. Thus, a piping plan, for instance, involving pipes (subgroup 210), valves (subgroup 220), and fittings (subgroup 240), will be assigned the code 200 (general piping); a specification for valves covering different types will be given the code 220. 6.5.3.2 It is recommended that the drawings of specific details are encrypted with the corresponding specific code. As an example, may be mentioned the design of a special valve that should receive the code 229. [Recommended Practice] 6.5.3.3 Specifications, Data Sheets, Material Requisitions and others similar documents, originating the purchase of materials, shall be coded with the corresponding specific code. For instance, requisitions for valves shall be grouped in gate valves (code 221) and globe valves (code 222). 6.5.3.4 In the case of documents referring to assemblies of connected equipment belonging, to distinct service classes, the class of the equipment performing the main function will prevail. Example: motor-pump units shall be coded as pumps. 6.5.4 Examples of Annex D and F: EXAMPLE 1

For coding a document relating to foundations: according to Annex D: 120 - Foundations. EXAMPLE 2

For coding class of service 181: Landscaping. EXAMPLE 3

For coding a document referring to the speed regulator of Power System and Tank Cleaning: 325 - Speed Regulator.

6.6 Source Code Document (Group 5) 6.6.1 This is a basic group consisting of three caracters. It identifies the issuer of the document (PETROBRAS department or contracted firm). The codes relating to the PETROBRAS departments or contracted firms shall be obtained from NORTEC-GC. The configuration of group 5 is indicated below: