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Saudi Aramco Drafting ManualSaudi Aramco Drafting ManualSaudi Aramco Drafting ManualSaudi Aramco Drafting Manual Revision Date: Nov 12, 2001
Page 1 of 87
TABLE OF CONTENT Introduction 5
1 Definitions 6
1.1 As-Built Drawings 6
1.2 CADD Drawings (Computer Aided Design & Drafting) 6
1.3 Demolition Drawings 6
1.4 Drawing Completion Certificate (DCC) 6
1.5 Drawing Management System (DMS) 6
1.6 Drawing / Sheet Number 7
1.7 Emergency Drawing 7
1.8 Engineering Drawing 7
1.9 Engineering From 7
1.10 Index Letter 8
1.11 Key Drawing 8
1.12 Library Drawing 8
1.13 Responsible Engineering Office (REO) 9
1.14 Standard Drawing 9
1.15 Title Block 9
1.16 Vendor Drawings 10
1.17 Abbreviations 10
2 Drawing Format & Media 12
2.1 Sizes 12
2.2 Media 12
3 Drawing Index / Type 13
3.1 Index 13
3.2 Type 13
4 Drawing Numbers & Related 14
4.1 Drawing Number (Alpha/Numeric) 14
4.2 Sheet Number 15
4.3 Revision Number 18
4.4 Drawing Index Number 19
4.5 Plant Numbers 20
4.6 Job Order / EWO Numbers 21
4.7 Request Drawing Numbers 22
5 Drawing Titles 23
5.1 Line 1, Content of Drawings 23
5.2 Line 2, Subject or Service 23
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5.3 Line 3, Plant Number 23
5.4 Line 4, Geographical Location 23
6 Other Numbers 24
6.1 General 24
6.2 Building Numbers 24
6.3 Cable & Conduit Numbers 25
6.4 Equipment Tag Numbers 26
6.5 Instrument Tag Numbers 29
6.6 Pipeline Numbers 30
6.7 Dummy Incremental Numbers 31
7 Handling of Drawings 32
8 Requesting Drawings 34
9 Preparing & Revising Drawings 38
9.1 Graphic Scales 42
9.2 Canceling Drawings 42
9.3 Preparing Demolition Drawings 43
9.4 Designing Emergency Drawings 44
9.5 As-Built Drawings 44
10 Certifying & Submitting Drawings 46
11 CADD Standards 47
11.1 General CAD Standards 47
11.1.1 File Naming Conversions 47
11.1.2 Working Units 48
11.1.3 Product Seed Files 50
11.1.4 Saudi Aramco Forms 50
11.1.5 Level Structure (LV) 51
11.1.6 Color Table (CO) 51
11.1.7 Line Weights (LW) 51
11.1.8 Line Codes (LC) 52
11.1.9 Fonts 53
11.1.10 Environmental Variables 54
11.1.11 Dos and Donts 54
11.1.12 Electrical File Submittal 56
11.1.13 Title Block Data Entry 56
11.1.14 Title Block Validation 61
11.1.15 Title Block Reporting 62
11.2 Piping & Instrument Diagram (PID) 64
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11.2.1 Level Structure (LV) 64
11.2.2 Symbols 64
11.2.3 Line Styles 64
11.2.4 Seed File & Form 65
11.2.5 File Definitions 66
11.3 Process Flow Diagram (PFD) 66
11.3.1 Level Structure (LV) 66
11.3.2 Symbols 66
11.3.3 Line Styles 66
11.3.4 Seed File & Form 66
11.3.5 File Definitions 67
11.4 Instrument Loop Diagram (ILD) 67
11.4.1 Level Structure (LV) 67
11.4.2 Symbols 68
11.4.3 Line Styles 68
11.4.4 Seed File & Form 68
11.4.5 File Definitions 69
11.5 Electrical One Line Diagram (E1L) 69
11.5.1 Level Structure (LV) 69
11.5.2 Symbols 69
11.5.3 Line Styles 70
11.5.4 Seed File & Form 70
11.5.5 File Definitions 71
11.6 Drawing Engineering Forms (DEF) 71
11.6.1 Level Structure (LV) 71
11.6.2 Symbols 71
11.6.3 Line Styles 72
11.6.4 Seed File & Form 72
11.6.5 File Definitions 73
11.7 Valve Operating Diagram (VOD) 73
11.7.1 Level Structure (LV) 73
11.7.2 Symbols 74
11.7.3 Line Styles 74
11.7.4 Seed File & Form 74
11.7.5 File Definitions 75
11.8 Facility Plot Plan (FPP) 75
11.8.1 Level Structure (LV) 75
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11.8.2 Symbols 75
11.8.3 Line Styles 76
11.8.4 Seed File & Form 76
11.8.5 Drawing Initialization 76
11.8.6 Composite Drawings 77
11.8.7 File Definitions 77
11.9 Communications (COM) 78
11.9.1 Level Structure (LV) 78
11.9.2 Symbols 78
11.9.3 Line Styles 78
11.9.4 Seed File & Form 78
11.9.5 File Definitions 79
12 Drawing Samples 80
12.1 Piping & Instrument Diagram (PID) 80
12.2 Process Flow Diagram (PFD) 80
12.3 Plot Plan, Site Plan (FPP) 80
12.4 Equipments Layout (EQA) 81
12.5 Plan and Profile (PRF) 81
12.6 Valve Operating Diagram (VOD) 82
12.7 Hydrostatic Test Diagram (HYD) 82
12.8 Piping Plan Layout (PPL) 82
12.9 Electrical One Line Diagram (E1L) 83
12.10 Three Line Diagram (E1L) 83
12.11 Wiring Diagram (EWD) 84
12.12 Schematic Diagram (SCM) 84
12.13 Elementary Diagram (ELM) 84
12.14 Interconnection Diagram (ECD) 85
12.15 ESD Login Diagram (LOG) 85
12.16 Instrument Loop Diagram (ILD) 85
12.17 Area Classification Diagram (HAZ) 86
12.18 Building Floor Plan & Elevation (ARC) 86
12.19 Instruments Points & Lines (IPL) 87
12.20 Isometric Piping Details (ISO) 87
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INTRODUCTION The intent of this manual is to specify the requirements for the development and modification of Saudi
Aramco drawings while maintaining their uniformity and integrity with no compromise. This issue of
the Drafting Manual supersedes the issue of December 31, 1994. Following are the primary changes incorporated in this issue:
I. Drawing media, certification and submittal requirements are covered under SAEP-334,
Certification and Submittal of Saudi Aramco Engineering Drawings.
II. Development and management of Vendor Drawings is covered under SAEP-111, Vendor
Drawings.
III. Document Control portion has been removed as it relates to EDSD internal functions only.
IV. Volume I, Instructions and procedures; Volume II, CADD Standards; Volume IV and Volume
V, Drawing Samples have been combined in this manual.
V. Volumes III, Drawing Management System has been deleted.
It shall be made clear, hereby, that any deviation of the requirements of this manual will not be
acceptable unless agreed upon, beforehand, with the Chief Draftsman, or by a waiver request per
SAEP-302.
Document Responsibility:
N.H. ALAHAIMER Chief Draftsman November 12, 2001
Approved by:
A.A. AL-SAADI Chief Engineer November 12, 2001
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1. DEFINITIONS
1.1 As-Built Drawing
An Engineering Drawing that has been revised to reflect actual field conditions after the completion of construction. Generally, 'As-Built' refers to the initial modification of
drawings after the initial construction phase. Additions or changes to a drawing resulting
from facility modification must also be verified as 'As-Built' and referenced to the
secondary job order/EWO.
1.2 CADD Drawing (Computer Aided Design/Drafting)
The use of any form of computerized equipment for the production of drawings. Specific
to this Manual, CADD refers to the use of the Microstation to produce engineering
drawings.
1.3 Demolition Drawing Any existing drawing which covers a facility within an operating Plant may be selected as
a Demolition Drawing for Plant upgrade and renovation purposes. Demolition Drawings
may be of any type, i.e. Process diagrams, Plant layouts, Equipment arrangement,
Electrical underground layouts, etc.
1.4 Drawing Completion Certificate (DCC)
A document bearing the names and signatures of persons authorized to certify that an engineering drawing meets the applicable Saudi Aramco engineering, drafting and CADD
standards and related procedures. (Refer to SAEP-334 for details).
1.5 Drawing Management System (DMS)
Automated hardware and software system designed for storage of drawings in an optical
disk library for the purpose of viewing and printing of these drawings and to emulate the
administrative forms used for the creation, revision and deletion of drawings.
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1.6 Drawing/Sheet Number
An arrangement of 11 alpha/numeric characters used to provide the unique identity for individual Engineering Drawings. The arrangement takes the format of XX-XXXXXX-XXX.
The basic elements are:
a) Prefix Letter b) Sheet Size c) Identifying Number d) Sheet Number
1.7 Emergency Drawing
Any Engineering Drawing that has been designated by the Manager of a Saudi Aramco plant as being critical to the plants operations during a disaster situation. The words
"Emergency Drawings" must appear on all designated drawings to be officially recognized
as emergency items. These drawings are given top priority in every case.
1.8 Engineering Drawing
Any drawing produced on an approved Saudi Aramco engineering form, by Saudi Aramco (or for Saudi Aramco by approved sources) which bears a Saudi Aramco drawing number
and which was prepared for the purpose of identifying engineering related information to
be used for the construction, operation or maintenance of a Saudi Aramco plant and
facility. Engineering Drawing is the general term used throughout the Saudi Aramco
Drafting Manual.
1.9 Engineering Forms
Forms used for the presentation of engineering information which bear an official Saudi
Aramco form number followed by "ENG" abbreviation for Engineering and the latest date
of form revision. Forms may vary in size depending upon the information being
presented.
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1.10 Index Letter
Single alpha character in the range A to Z (excluding I & O) used as an indicator for
various types of drawings and/or equipment. See Standard Drawing AE-036411 sheet
001 for current listing.
1.11 Key Drawings
An Engineering Drawing which has been designated for continued facility operation and maintenance, that the Proponent Organization and Project Management jointly agree is of
enough significance warranting their review and signature. Typical Key drawings shall
include:
Piping and Instrument Diagrams (PID)
Process Flow Diagrams (PFD)
Plot Plans (FPP)
Equipment Layouts (EQA)
Piping Layouts (PPL)
Underground Installation Plans (PPL)
Electrical One Line (E1L)
Three Line Diagrams (E1L)
ESD Logic Diagrams (LOG)
Instrument Installation Schedules (IIS)
Instrument Loop Diagrams (ILD)
Area Classification Plans (HAZ)
Safety Instruction Sheets (SIS)
Building Floor Plans & Elevations (ARC)
Other engineering drawings may be designated as Key drawings by the Proponent
Organizations or the Project Management Team jointly with the Proponent Organization
as appropriate for their specific projects prior to the start of project detail design.
1.12 Library Drawings
Library Drawings are drawings of designs previously used or developed to be used as
guidelines for new projects in Saudi Aramco facilities. Use of these drawings in future
similar projects shall be considered.
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Library drawings provide pre-designed information that can be used on a repetitive basis. The utilization of Library Drawings can improve the use of stock material and
eliminate the need for individual or unique designs. In addition, the use of Library
Drawings provides savings by directly reducing drafting, design and engineering time in
new projects.
Library Drawings are listed under, and archived on, Plant M88 file and governed by
SAEP-305.
1.13 Responsible Engineering Office (REO)
Any Saudi Aramco "office" that has been entrusted with the production or care of an original Engineering Drawing. Usually an individual within a project team, or operating
engineering unit is designated the responsibility of tracking the whereabouts of the
drawing. Non-Saudi Aramco firms or companies are not allowed to be the designated
REO. EDSD is the REO for all drawings residing in the Saudi Aramco Drawing
Management archives under its custody.
Each REO and certain individuals within the REO shall be authorized to track issued
existing Engineering Drawings and Facility Data.
1.14 Standard Drawing
A specially prepared Engineering Drawing that has been pre-approved by Saudi Aramco Executive Management for Mandatory application in the design of Saudi Aramco facilities
when the information they contain applies during design if appropriate.
The production of a Standard Drawing follows the normal production requirements
presented in this manual and the Saudi Aramco CADD Standards. Refer to SAEP-110 for
details related to approvals and control.
1.15 Title Block
That portion of the drawing reserved for listing information related to the production of the drawing.
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Title blocks comprise the following information:
a. Production, approval/certification information and b. Title information c. Drawing type d. Job Number (Job Order or EWO number) e. Plant Number f. Index letter g. Drawing Number: prefix and identifier h. Sheet Number i. Revision Number j. Revision Block
1.16 Vendor Drawing
Any document developed by a manufacturer that supports the technical requirements of
material or equipment and received as part of a purchase order.
SAEP-111 covers the requirements for the developing, handling and submittal of these
drawings.
1.17 Abbreviations Abbreviations and Letter Symbols shall to be used as an integral part of the Drafting
Standards, and shall to be applied to all engineering drawings and documents wherever
physical space prevents from complete spell-out of a word or sentence, especially in
limited space areas, such as title blocks, in small drawings. Abbreviations shall be made
only when absolutely necessary and never used when the meaning will not be clear.
Adherence to the Abbreviations and Letter Symbols must be observed to build-up
consistency amongst the many engineering documents and projects within the Saudi
Aramco Organization.
The list of Abbreviations and Letter Symbols conforms to the Engineering Societies and Industrial Associations listed below.
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American Association of Engineers AAE
American Boiler Manufacturers ABMA
American Bureau of Shipping ABS
American Chemical Society ACS
American Concrete Institute ACI
American Electrochemical Society AES
American Electroplaters Society AES
American Engineering Council AEC
American Foundry men's Association AFA
American Gas Association AGA
American Gear Manufacturers Association
AGM
American Institute of Architects AIA
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2. DRAWING FORMAT & MEDIA
2.1 Sizes
The following table shows the only acceptable sizes for Saudi Aramco Engineering Drawings:
OVERALL DIMENSIONS
SIZE CODE Mm Inches
A 711 x 1016 28 x 40
B 508 x 711 20 x 28
C 356 x 508 14 x 20
D 279 x 432 11 x 17
E 216 x 279 8 x 11
See Standard Drawing AE-036625 for details concerning the spacing
requirements for Notes, Title Block, Drawing Areas and Borders.
2.2 Media
Engineering drawings shall be prepared and submitted in electronic format on the
prescribed engineering forms using Microstation (the latest EDSD issued SACS version),
MS Word or MS Excel as described in SAEP-334 or any other EDSD approved electronic
media.
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3. DRAWING INDEX & TYPE
3.1 Drawing Index
A single letter alpha character represents the discipline of the drawings. Standard drawing AE-036411 sheet 001 lists the approved drawing indices with descriptions.
3.2 Drawing Type
3.2.1 The Drawing Type is a three alphabetical character code located at the far right end of line 1. This code is utilized to identify specific groups of drawings under a
specific INDEX.
3.2.2 Code description may be used to develop line-1 of drawing title. Title is not required to match the exact wording but must indicate the contents of the
drawing. However, the title selected must match the drawing index and drawing
type code, to the extent possible.
For Drawing Type (MS Excel) refer: http://edsd.aramco.com.sa/dm/IndxType.xls
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4. DRAWING NUMBERS & RELATED
4.1 Drawing Number (alpha/numeric)
The Drawing Number provides one part of the "unique" identification code for each
Engineering Drawing. It comprises a single character Prefix Letter, a single character
Sheet Size Code, and a six (6) character Identifying Number.
4.1.1 Typical Drawing Number
Example: DB-765432
4.1.2 Prefix Letter (alpha)
4.1.2.1 The following Prefix Letters are currently being assigned by EDSD for use as part of the drawing number.
A Standard Drawings only.
D Library Drawings only.
B Southern Area (Eastern Arabia).
H Central Area (Eastern Arabia).
R Northern Area (Eastern Arabia).
V (Central and Western Arabia).
4.1.2.2 The following prefix letters appear on some Engineering Drawings but are no longer used on new drawing production. However new
sheets to the existing drawings may be added.
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A Aramco San Francisco or New York, AOC at Rome or London (except for Standard Drawing).
G SOCAL
K SCECO
L Aramco Overseas Company, Beirut.
N AOC, The Hague assigned drawing number.
X ASC, Houston assigned drawing number. D Dhahran assigned drawing numbers (except for Library
Drawings).
4.1.3 Sheet Size Code (alpha)
The Sheet Size Code is a single alpha character used to identify the drawing size.
It does not make up part of the "unique" drawing identification number since this
code can change depending upon the present size of the drawing.
Note: The Sheet Size Code must always agree with the actual size of the drawing form. It can be changed but requires a formal revision and
should be noted in the description column of the block.
Refer to item 3.1 for proper dimensions.
4.1.4 Identifying Number
The Identifying Number is a six (6) character numeric code. All digits from 0 to 9
can be used. All six characters must be continuous with no comma separation. A
dash will be used to separate the identifying number from the prefix letter and
drawing size (e.g. HA-123456).
4.2 Sheet Number
The Sheet Number is a three (3) digit number ranging from 001 to 999. Most Engineering Drawings of the same Drawing Type are grouped in 'sets' of drawings
using the same Drawing Number with multiple sheets. Example: P&ID, ILD, and One Line
Diagrams. When 'sets' are used then the Sheet Number provides part of the "unique"
identifier for the drawing.
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Restrictions governing the use of Sheet Numbers for 'sets' are as follows:
4.2.1 All drawings that form part of a 'set' within the same Drawing Number must have the same size. If a drawing size changes then it must be either cancelled from
the set and given a new Drawing Number or size of all the other sheets be
changed.
4.2.2 Sheet SETS must be made for a common engineering subject, the subject may be: Design, Process or Service within a specific engineering discipline.
Examples:
DESIGN Plot Plans Structural Details Equipment Layouts Hazardous Area Classifications
PROCESS Process Flow Diagrams Piping and Instrument Diagrams Valve Operating Diagrams
SERVICE Piping Isometrics of Same Product (e.g. Air, Steam, Fuel Gas, etc.) Electrical Drawings (e.g. One Line Diagram, Connection Diagram, Elementary Diagram., Electrical Layout etc.) Instrument Points and Lines
4.2.3 All sheets in one set must be numbered sequentially without number gaps for 'Unused' sheets. If gaps are unavoidable, then a face sheet may be utilized to
indicate "spare" in lieu of the unused sheet number.
4.2.4 A set of pre-numbered sheets pertaining to one piece of equipment (e.g. Instrument Specification Sheets or Equipment Data Sheets etc.), shall make up
one drawing set.
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4.2.5 Drawing and sheet numbers for Instrument Loop Diagrams, Instrument Installation Schedules, Cable & Conduit Schedules and Pipe Line Designation
Tables must be requested from EDSD separately, by using the appropriate
request form in each case.
4.2.6 Face Sheets may be provided for all size drawing sets having the same Drawing Numbers and more than ten sheets. They are mandatory for Instrument
Installation Schedules, Instrument Loop Diagrams, Cable & Conduit schedules,
Line Designation Tables and existing drawing sets that contain sheets with
alpha/numeric sheet numbers. The Face Sheet must list all sheets in the set and
their titles. For Instrument Loop Diagrams, it shall also show the loop numbers
for each sheet.
4.2.6.1 The first Face Sheet is numbered FS1. The subsequent Face sheets will be designated as FS2, FS3,...FS9.
4.2.6.2 When required to be revised, Face Sheets shall only have full numeric revision numbers (i.e. 01, 02, etc.).
4.2.7 Numbering sequences containing alpha characters are unacceptable except Face/Index sheet (FS1 to FS9).
4.2.8 Sets developed for Instrument Installation Schedules should be limited to a particular category of instruments within a plant.
4.2.9 The titles of individual sheets within a set may vary slightly, if so required for clarification and definition of location. However, the Drawing Size, Plant
Numbers, Index and Plant Title must be the same on all sheets.
4.2.10
Drawing sets in Bulk documents such as Scopes of Work and other such
documents constituting a coherent set, shall be assigned one Drawing Number
with multiple sheet numbers. Only sheet 001 in the set shall show the total
number of sheets and is listed in DMS for reference as such.
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4.2.11 All sheets in one drawing must be generated using the same drawing media and format. That is, either all CADD (Microstation) or all MS Excel or all MS Word.
4.2.12 New sheets generated as part of an existing drawing must also be on the same drawing media and format.
Note: Existing drawings bearing alpha/numeric sheet identification should be corrected by the REO before the drawing is resubmitted with
revision information. All reference drawings must be similarly
corrected.
4.2.13 Cover sheets or title sheets of a drawing or project should not be assigned Engineering Drawing number.
4.3 Revision Number
4.3.1 The Revision Number is composed of one to three-character (the first two numeric and the third alpha code), used to identify the latest approved revision
on a drawing. The Revision Number is all numeric (two characters) when all
contents of a drawing reflect a total "As-Built" condition, and numerical/alpha
(three characters) when it is a partial modification or a partial "As-Built".
4.3.2 The first certified and approved issue of a new drawing must bear revision '00'. Full names of signatories must appear in the main title block. If required "ISSUED FOR CONSTRUCTION" description may be added in the
bottom line of the revision block as Revision 00. Names of the signatories of
Revision 00 (IFC) are optional in the revision block.
4.3.3 When a drawing is checked out for revision purposes, the EDSD assigns the appropriate revision number to the REO depending on the type of revision
requested. The REO must use the revision number assigned to the existing
drawings for a particular project (Job Order or EWO) for the same. Revision
numbers to the existing drawing shall not be assigned for Budget Item (BI) or
Project Proposals.
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4.3.4 When the REO wants to immediately add another revision for some other project, the current revision must be submitted to the DMS before modifying the
drawing for the other project, and simultaneously, request the drawings for
revision.
4.3.5 Based on the information supplied by the REO when requesting a drawing for revision or design modification using form SA 8134-ENG, EDSD will determine
the level of revision that would satisfy REO's9 requirements, on the following
basis:
For Normal Modification If a new design, design change or partial "As-Built" being applied to an existing
drawing. A numeric/alpha revision number will be issued. For Full "As-Built" If a new or existing drawing being brought to a 100% field verified As-Built
condition, a whole numeric revision number will be issued.
4.3.6 Releasing drawings for revision requires the concurrence of the Operations Engineering for all the existing facilities. The project management and design
groups engineers must acquire the concurrence of the Operations Engineering
before submitting their drawing requests to EDSD.
Note: Grass-roots LSTK project new drawings may be made as-built (Rev. 01) without submitting initial Revision (00) to the EDSD. Main title
block and Revision description for as built revision must be
completed.
4.3.7 If two or more modifications, for different job numbers, are to be made on a drawing due to: As-Built, Design change, etc., each modification must be
individually recorded and archived with a separate revision number for each job.
4.4 Drawing Index Letters
4.4.1 Drawing Index Letters are single alpha characters in the range of A to Z (except I and O).
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4.4.2 Index Letters are shown on Engineering Drawings in the title block. A Maximum of two index letters are acceptable on a drawing, arranged by order of importance
(not necessarily in alphabetic sequence).
4.4.3 Drawings shall be coded by Index letter to properly identify each drawing type. Drawing types shall not be mixed. Each drawing must contain information related
to only one specific index. These letters can only be changed or their content
modified through revision of the Standard Drawings. Standard Drawing AE-
036411 sheet 001 lists the approved Index Letters.
4.5 Plant Numbers
4.5.1 Plant Numbers are three characters in length. The characters may be either numeric or alpha/numeric.
4.5.2 Only one Plant Number should be assigned to an Engineering Drawing. However, more than one plant number may be allowed under certain circumstances.
Example: When the drawing contains interrelated information for more than one plant: continuation of lines, interface points, jumpers, tie-in points etc and all such
plants fall under the responsibility of the same operating organization. Drawings requiring more than one Plant Number must be approved by the Chief
Draftsman, EDSD.
4.5.3 When an Engineering Drawing is 'typical' for more than one plant, then separate drawing must be produced for each plant.
4.5.4 The issue and control of Saudi Aramco Plant Numbers is the responsibility of the Chief Draftsman. Complete listing of currently assigned plant numbers with
descriptions is available on the Engineering Standards home page
(http://engsvcs.aramco.com.sa/engstds/). Desktop Standards under Tab: Other
information and EDSD home page (http://edsd.aramco.com.sa/).
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4.5.5 To apply for a new Plant Number, a request letter from the Division Head or above of the Operations Engineering organization, must be submitted to the Chief
Draftsman stating the following information:
a. Name of Requesting Operations Organization b. Organization Code, Mailing Address, Phone Number c. Requester's Contact Representative d. Approved BI & JO Numbers e. New Facility Name f. Increment Information (if available) g. Facility Location (include a Site Plant and indicate the nearest existing
Plant) h. Brief Description of the New Facility.
Note: If a PMT is initiating the request, then the operation engineering proponent (Division Head or above) concurrence is required
4.5.6 Any change to the description (title) or status of a plant (abandoned, dismantled, mothballed, renamed, etc.) must be reported to the Chief Draftsman by the
responsible Operating Engineering organizations.
4.5.7 To change the responsibility of a plant to another organization, concurrence of present proponent is required.
4.6 Job Order / EWO Numbers
4.6.1 The Job Number (J.O. or EWO) shall be shown on Engineering Drawings in the box at the left of the title block. For capital project work, the use of this number is
mandatory. For operation and maintenance work, the number is optional.
4.6.2 The initial Job Number for Revision 00 should remain on drawings indefinitely.
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4.7 Requesting Drawing Numbers
4.7.1 EDSD is responsible for assignment and control of all Engineering Drawing Numbers to projects. Operation Engineering organizations having access to
Drawing Management System shall obtain the drawing numbers from DMS.
4.7.2 A REO who requires Engineering Drawing Numbers from EDSD must complete Saudi Aramco Form SA 8132- ENG (Engineering Drawing Numbers Request).
4.7.3 Engineering Drawing numbers should not be used on project proposal drawings.
4.7.4 REO must inform EDSD of all unused drawing numbers. Numbers retained by REO after completion of a project would be counted as drawings generated and
kept by the REO. The REO Management is required to submit these drawings to
EDSD.
4.7.5 Drawing numbers issued shall not be used for Instrument Loop Diagrams (ILD), Instrument Installation Schedules (IIS), Cable & Conduit Schedules (CCS) and
Line Designation Table (LTD) drawings. For these type of drawing, refer to Item:
6.3, 6.5, 6.6.
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5. DRAWING TITLES
5.0 ENGINEERING DRAWING TITLES
Drawing titles are a very important aspect of drawing identification. Proper care should be
taken to ensure that adequate titles are assigned to each drawing prepared. The title is
written on four (4) lines in the standard Title Block.
5.1 Line 1, Content of the Drawing
The general content of the drawing and the Drawing Type shall be entered on
the first line. Use the appropriate approved descriptions as listed in the
reference tables (attached with Item: 3.0). Loop number and line number shall
be entered on first line for ILD and isometric piping details. Similarly equipment
or instrument tag number shall be mentioned on Safety Instruction Sheet
(SIS), Data or specification sheets.
5.2 Line 2, Subject or Service
The main subject being covered by the drawing must be written here. This
could be a process system, substation, service line, equipment number,
building number, circuit or loop, etc. Use as many words as necessary to
clearly explain the subject matter. Drawings concerning electrical substations
shall have the substation number listed.
5.3 Line 3, Plant Name
The name of the plant corresponding with the Plant Number is written on this
line. Use only the approved listing of plant names shown in the plant listing. If
two or more plants are covered, then only the major plant covered by the
drawing should be on line 3.
5.4 Line 4, Geographical Location
The name of the main Saudi Aramco geographical area where the facility is
located must appear on this line. The geographical locations are shown by
each plant in the plant list. Any exception to this list must be approved by the
Chief Draftsman. Abbreviations are not allowed on line 4.
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6. OTHER NUMBERS
6.1 General
6.1.1 All Saudi Aramco mechanical equipment, electrical equipment, process control instruments, industrial buildings, cable & conduit and process pipelines must be
assigned identification/tag numbers.
6.1.2 The assignment and control of all identification/tag numbers shall be the responsibility of the Engineering Drawing Services Division.
6.1.3 Identification/tag numbers shall be assigned and managed by order of numerical sequence within each category or type within a designated plant.
6.1.4 EDSD shall issue the identification or tag numbers only upon receiving a request from an authorized representative of a PMT or Proponent using the
appropriate request forms.
6.1.5 Prior to requesting any identification/tag numbers, the requestor must quantify the total numbers of each category required for the project. New grass-root
projects shall not be excluded from this requirement.
6.1.6 Unused numbers shall not be recorded as spare. All unused numbers must be returned, in writing, to EDSD.
6.1.7 All identification/tag numbers must be indicated on their respective drawings where applicable.
6.2 Building Numbers
6.2.1 EDSD assigns the numbers to the Industrial Buildings located outside the boundaries of process plants. Building numbers within process plant boundaries
are assigned by the Plant Management. Residential Building numbers are
assigned by the respective Community Services organizations.
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6.2.2 To request Industrial Building Numbers, the REO must forward a completed form SA 9602-ENG to EDSD stating basic information about the facility: name
of the building, location, size, associated BI. Each request must be
accompanied by properly prepared Engineering Drawings of the building,
including site plans, and floor plans.
6.2.3 EDSD maintains a listing of Industrial Building Numbers. Network access is through the EDSD home page (http://edsd.aramco.com.sa) on the Saudi
Aramco Intranet.
6.3 Cable and Conduit Numbers (alpha/numeric)
For the purpose of identification, all cables and conduits excluding single and
interconnecting wiring are assigned special codes. Each code is 4 to 6 characters in
length, excluding dashes, and each is unique for a given line. Refer to Saudi Aramco
Engineering Standard SAES-P-104 for complete instructions related to cables and
conduits.
6.3.1 Typical Cable & Conduit Numbers
Example #1: C-736 Example #2: PC-1281
6.3.2 The Letter Designations are 1 to 2 alpha characters signifying the type of service.
C Conduit
CC Control Cable
PC Power Cable
IC Instrument Cable
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6.3.3 The Sequence Number is 4 digits long and is a strict numerical sequence starting from 0001, for each particular plant regardless of the size, type or
service.
6.3.4 Cable & Conduit Schedule drawing and sheet numbers are also assigned by EDSD at the time of processing cable & Conduit number requests. EDSD
furnish the electronic files in MS Excel of these schedules. These schedules
must be completed and submitted similar to other project drawings.
6.3.5 Use form SA 9175-ENG to request Cable & Conduit numbers.
6.4 Equipment Tag Numbers
Equipment Tag Numbers are assigned to mechanical and electrical equipment as well as
their associated items as listed on standard drawing AE-036411 Sheet 002 and 003. In
case a piece of equipment is transferred to another plant or substation, a new tag number
is required.
6.4.1 Mechanical Equipment
6.4.1.1 Each mechanical equipment tag number is unique for a specific piece of equipment or an associated item and consists of 8 to 10 characters
in length, excluding dashes as follows:
Example #1: D31-G-0012 (8 characters) Example #2: D31-GM-0012A (10 characters)
6.4.1.2 Mechanical Equipment Tag numbers shall include the Plant Number, equipment marking and numerical sequence numbers.
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6.4.1.3 Auxiliary or secondary equipment shall have the same sequence number as the primary equipment, i.e. for Pump G-0012, Motor GM-
0012, Gear GG-0012. Equipment markings are listed on the Standard
drawing AE-036411 sheet 002. Use form SA 9133-ENG to request
Mechanical Equipment tag numbers.
6.4.1.4 The Suffix Letter is used only to distinguish when 2 pieces of identical equipment, like in the case of two pumps for one tank, i.e. G-0012A
and G-0012B.
6.4.2 Electrical Equipment
6.4.2.1 Each electrical equipment tag number is unique for a specific piece of equipment and consists of 11 to 13 characters in length, excluding
dashes and parenthesis.
6.4.2.2
Example #1: D31 - 012 - GSW (K) - 502 (13 characters) Grounding Switch # 02 from substation #12 for 69 KV voltage and
PDD code K in plant number D31. Example #2: D31 - 012 - BC - 301 (11 characters) Battery Charger # 01 has 13.8 KV voltage from substation #12. No
PDD code.
6.4.2.3 The tag numbers are controlled in numeric sequence for each voltage code per each equipment type (marking) per each power source
(normally Substation) in each plant. Use form SA 9133A-ENG to
request Electrical Equipment tag numbers.
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6.4.2.4 PDD codes are required only when they are different from the Standard Electrical Equipment Markings available in Standard
drawing AE-036411 sheet 003.
6.4.2.5 PDD CODES
Description Standard Marking
PDD CODE
Circuit Switcher CSW S
Circuit Breaker (Power) CB A
Circuit Breaker (Switchgear
Distribution) CB B
Disconnecting Switch DSW D
Fuse FS F
Fuse Disconnect FSD J
Grounding Switch GSW K
Grounding Resistor GR Y
Grounding Transformer GT X
Relay RY P
Switch SW E
Transformer XFR T
6.4.2.6 VOLTAGE CODES
0 600 V & below AC or DC
1 2.4 KV
2 4.16 KV
3 13.8 KV
4 34.5 KV
5 69 KV
6 115 KV
7 230 KV
8 380 KV
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6.5 Instrument Tag Numbers
Each item of instrumentation shall be assigned a specific "tag number". Refer to Saudi
Aramco Engineering Standard SAES-J-004 for complete details related to Instrument
Identification Codes. Use form SA 9178-ENG to request Instrument tag numbers.
6.5.1 Typical Instrument Tag Number
Example #1: PCV-0159 (7 characters) Example #2: LT-0054 (6 characters) Example #3: FrC-1010A (8 characters-rare)
6.5.2 Each instrument tag/loop number is unique for specific category of instruments listed in SAES-J-005 item 6.1.2.
6.5.3 In a given measurement or control loop, all instruments are assigned the same Identification Numbers. To distinguish 2 similar instruments in the same loop an
alpha character will be added at the end of the Identification Number.
6.5.4 Instrument tag numbers are assigned in sequence starting with 0001. Installation schedule drawing and sheet numbers are also assigned by EDSD at
the time of assignment of these tag numbers. EDSD furnished the electronic
files of these schedules in MS Excel format.
6.5.5 EDSD maintains control of Instrument Loop Diagram drawing and sheet numbers assignment. One drawing number with multiple sheets is assigned in
each specific plant. Use form SA 9176-ENG to request Instrument Loop
Diagram drawing and sheet numbers.
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6.6 Pipeline (Line) Numbers (alpha/numeric)
Pipeline Numbers are assigned to all welded or flanged above ground or under ground
pipelines within a plant regardless of their sizes, type of material or service. Each is unique
in a plant. Use form SA 9179-ENG to request Line numbers.
6.6.1 Typical Pipeline (Line) Number
Example: 2-1/2"-CWS-1234-1A1B
6.6.2 The Line Size is indicated by up to five digits followed by the inch symbol. All nominal line sizes are expressed in inches even on metric drawings.
6.6.3 Piping with threaded connections and plumbing do not require line numbers assigned unless seen necessary by the PMT or Proponent for operating or
maintenance reasons.
6.6.4 Pipeline numbers shall be assigned in numerical sequence starting from 0001, for particular plant regardless of the line size, material or service. Line
Designation table drawing and sheet numbers are also assigned by EDSD at
the time of processing the Line Number requests. EDSD furnishes the electronic
files of these Line Designation Table schedules in MS Excel format.
6.6.5 Pipeline numbers must include line designation as outlined per Line Class Designator System, Item 7 of SAES-L-005 and Standard Drawing AD-036204.
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6.7 Dummy Increment Numbers
A four character alpha-numeric (one alpha and three numeric) number to be used as
increment number of a non-procurement purchase/requisition order is called Dummy
Increment Number. It is required for items/material that are not purchased by normal Saudi
Aramco Purchase Order System. EDSD control and assign the dummy increment number in all Saudi Aramco plants. Use Saudi Aramco form SA 9603-ENG to request the number from EDSD.
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7. HANDLING OF DRAWINGS
7.0 Handling Engineering Drawings
Each drawing must be prepared and reviewed in accordance with the Saudi Aramco CADD
Standards, relevant Saudi Aramco Engineering Procedures and the Drafting Manual.
7.1 Responsible Engineering Office (REO) Requirements
7.1.1 Any Saudi Aramco engineering office or Project Management Team (PMT) that has been issued an engineering drawing number will assume the role as the initial
REO. This REO will be held accountable for the proper production and control of
the drawings until which time it relinquishes that control by formally submitting the
drawings to EDSD.
7.1.2 The REO is responsible for ensuring that the Engineering Drawing is produced, controlled, certified and submitted in accordance with this manual and all other
related Saudi Aramco Standards and Procedures.
7.1.3 The initial REO will be responsible for notifying EDSD when an assigned drawing number does not result in an Engineering Drawing (for unused number of voided
drawings).
7.1.4 The REO is responsible for submitting all Engineering Drawings in their custody to EDSD immediately after approval and certification. Refer to SAEP-334.
7.1.5 Engineering Drawings shall be updated to "as-built' condition when required. The REO responsible for the drawing during the construction phase of the facility is
the responsible party for ensuring that the drawing reflects the as-built condition.
7.1.6 Existing Engineering Drawings may be used for project proposal purposes by utilizing electronic copies of these drawings and after removing any information
related to the original drawing.
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7.1.7 Engineering Drawings developed for project proposal purposes shall not be assigned Engineering Drawing Numbers, neither shall they be archived in the
Drawing Management System. The Project Management Teams shall develop
their own temporary numbers throughout the project proposal stage. Engineering
Drawings Numbers shall replace these numbers at the time of the detailed
design.
7.1.8 The Project Management Teams shall assign their own dummy tag number (equipments, instruments, Cable & Conduit and Line numbers) for project
proposal efforts and those must be replaced with the properly assigned tag
numbers in detailed design.
7.1.9 Drawing Control Sheet must be prepared for each Job Order or EWO. All engineering drawings (Revised and new) of the project must be listed in this
Drawing Control Sheet. Use the assigned Drawing Number for Drawing Control Sheet. (Refer to form
8132-ENG)
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8. REQUESTING DRAWINGS
8.1 Drawing Access for Revisions
Project/Design Managers or the Operation Engineering Division Heads shall be the principal
person responsible for all drawings, drawing numbers and other transactions requested
from EDSD by him or his authorized engineers as Project Rep.
8.1.1 Project Management (PMT)
8.1.1.1 Each transaction shall be under a specific Job Number (J.O.)
8.1.1.2 The Saudi Aramco Project Manager may delegate, the responsibility of signing the Drawing Request form (SA-8134) to some of his engineers
working for him under a specific project.
8.1.1.3 Only a Saudi Aramco Engineer or Business Manager can request drawings on behalf of the Saudi Aramco Project Manager.
8.1.1.4 Non-Saudi Aramco individual (e.g. Contractor personnel) may be delegated by the Saudi Aramco Project Manager, the responsibility for
receiving the drawings from EDSD (Refer to SAEP-128).
8.1.1.5 The Saudi Aramco Project Manager shall be responsible for overseeing that the drawings are protected per instructions of SAEP-127 and
SAEP-128.
8.1.1.6 Any Project Rep may be delegated the responsibility for requesting drawings for more than one project as long as these projects are under
the responsibility of his/her Division.
8.1.1.7 In the event that a Project Rep is no longer charged with requesting drawings or if he/she no longer works for an assigned project, then the
Project Manager shall be responsible for informing EDSD, in writing, as
such.
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8.1.2 Design Services Groups (IDO)
8.1.2.1 Each transaction shall be under a specific Engineering Work Order (EWO).
8.1.2.2 The Design Manager may delegate, in writing to EDSD, the responsibility of signing the Drawing Request form (SA-8134-ENG) to
his authorized engineers.
8.1.2.3 The Design Manager shall be responsible for overseeing that the drawings are protected per instructions of SAEP-127 (and SAEP-128 if
GES Contractors are hired to do a job).
8.1.2.4 Only a Saudi Aramco Engineer can request drawings on behalf of the Design Manager.
8.1.2.5 Other Saudi Aramco individual (e.g. Draftsman, Drawing Control Clerk, etc.) may be delegated by the Design Manager, the responsibility for
receiving the drawings from EDSD.
8.1.2.6 Any Project Rep may be delegated the responsibility for requesting drawings for more than one project as long as these projects are under
the responsibility of his/her Division.
8.1.2.7 In the event that a Project Rep is no longer charged with requesting drawings or if he/she no longer works for an assigned project, then the
Design Manager shall be responsible for informing EDSD, in writing, as
such.
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8.1.3 General
Existing Engineering Drawings must be revised.
8.1.3.1 Requesting Engineering Drawings for revision purposes shall be limited to only those who have been granted an authorization to draw such
drawings by request of their management via an approved
Engineering Data Transaction Authorization request form SA-9599-
ENG
8.1.3.2 When determined that an Engineering Drawing requires a modification under an identified job number, it must officially be requested from
EDSD using SA-8134-ENG form.
8.1.3.3 Any Engineering Drawing being requested for revision by anyone other than its Proponent must require concurrence of that Proponent through
signing of the SA-8134-ENG form.
8.1.3.4 Proponent may issue a blanket authorization to a particular user for a specified BI, JO or EWO. Signatory of a blanket authorization should be
the Division Head or above of proponent Engineering Organization
responsible of maintaining and updating their drawings.
For sample of letter refer http://edsd.aramco.com.sa/dm/Waiver 8134.doc
8.1.3.5 Engineering Drawings may be requested for revision purposes interactively via the Drawing Management System (DMS) where a DMS
access is granted for that purpose.
8.1.3.6 Only one revision number shall be issued at one time for each revision under one job (J.O. or EWO). The revision for the same job shall be
issued upon submittal of the previously issued revision for that job into
the Drawing Management System (DMS). Each revision level must be
individually recorded into the Drawing Management System.
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Exception: A separate design revision may be assigned for Demolition purpose in addition to regular Design or As
Built revision.
8.1.3.7 Revision number (numeric or alphanumeric) which has been issued by EDSD or processed through the DMS using form SA-8134-ENG or
process for a particular job shall not be used for any other job to identify
a modification on an Engineering Drawing.
8.1.3.8 In case it is determined that for some reason, a drawing does not need to be revised after a revision number has been issued, then that
revision number must immediately be cancelled by the requestor
through formal correspondence with EDSD along with a copy of SA-
8134 form.
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9. PREPARING & REVISING DRAWINGS
9.0 Preparing & Revising Drawings
9.0.1 Engineering Drawings shall be prepared and revised in accordance with all applicable Saudi Aramco standards, procedures and practices as well as those
applicable international standards and practices approved by Saudi Aramco.
9.0.2 Engineering Drawings must be prepared and revised using the latest version of Saudi Aramco CADD Standards (SACS) or others as approved by the
Engineering Drawings Services Division (EDSD) only.
9.0.3 Engineering drawings must be revised electronically on prescribed Saudi Aramco engineering forms, as provided by the EDSD, using Microstation dgn,
MS Excel or MS Word formats only as defined in SAEP-334.
9.0.4 When some certain standards are not available in SACS, the Chief Draftsman, EDSD must be consulted to obtain approval prior to using any non-Saudi
Aramco Drafting standard.
9.0.5 Engineering drawings common to multiple plants, or identical portion within a plant, must be prepared separately for each installation. Existing drawings must
be segregated at the time of revision.
9.0.6 The final submittal of Engineering Drawings revised using PDS 3D or any other software must be produced using 2D and made compliant to standards and
procedures set forth in Saudi Aramco CADD Standards, related Saudi Aramco
Procedures and this manual prior to submitting them for inclusion into DMS.
9.0.7 Existing drawings must be utilized for any modification of a facility. Creation of new drawings to indicate a change in an existing facility will not be accepted. If,
however, this is not avoidable for some reason such as crowdedness or major
revision changes, then the new drawing must bear the same drawing number of
the existing drawing.
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9.0.8 New drawings that are created as continuation of an existing design are considered as continuation drawings of that design bearing the next sequential
(numeric) sheet number of that drawing set.
9.0.9 When revising an existing drawing, the incorrect Plant name shall be corrected or completed.
9.0.10 Each revision must have description in the revision title block area summarizing the modifications that took place under a specific job number.
9.0.11 Do not show any shading or diamonds in the revision column.
9.0.12 Revision diamonds shall be placed on the drawing in such a way as to make it possible to locate revision areas quickly. Old revision diamonds and related
notes must be removed from the drawings, except the diamonds and related
notes showing the latest revision numbers in the revision column.
9.0.13 If a drawing is completely redrawn then all revision diamonds are removed from the drawing and the words "completely redrawn and incorporated Revisions
(indicate the revision number incorporated)" are put in the revision column on
the first line.
9.0.14 When revising drawings having multiple sheets, only those sheets affected by the revision change are to be requested from EDSD. Exception is made to
drawings that has only one electronic file i.e. Scope of work, etc. (see item:
4.2.10).
9.0.15 When revising some pages of bulk drawings that has single electronic file of the complete set, the revision column of only first sheet shall indicate the changes
and revision number change. Complete set shall be submitted.
9.0.16 Full numeric revision numbers (i.e. 1,2,3,...) are assigned to full 100% as built only and are issued to, or by concurrence of, the proponent Operations
Engineering. All contents of the drawing shall be verified.
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9.0.17 When a drawing is revised as CANCELLED or if a CANCELLED drawing is being reactivated, then a whole numeric revision number shall be assigned to
that revision. User must indicate his intension on the SA-8134 form.
9.0.18 The standard north arrow symbol shall be drawn in a prominent place in the upper region of the drawing for all plan view drawings. It must be drawn pointing
upward, or if unavoidable, pointing left, but shall never point down.
9.0.19 Information covered by Standard Drawings, elaborated details, unnecessary views, and repetitions, which add no value to the drawings, shall be omitted.
9.0.20 The old concept of drafting which permitted artistic drawings with projected views is no longer acceptable. Simplified Drafting (http://edsd.aramco.com.sa/ dm/Attach/S_DRAF/S_DRAF.max) must be applied to reduce time and size of
electronic files; consequently, all non-essentials from design which add nothing
to the accuracy, completeness and clarity shall be eliminated.
9.0.21 Reference drawings and notes shall be placed in the area provided above the title block. Reference drawings listed shall be the necessary minimum
engineering drawings only. Do not include Plant or Index reference of the
referred drawings nor Standard Drawings.
9.0.22 The American Projection method shall be followed when designating views. Sections, elevations and other view shall be identified by letter designations
(e.g. A-A, B-B, etc. The letter I and O are not to be used). Details shall be
identified by numbers only (e.g. DETAIL-1, DETAIL-2, etc.). When the 24
authorized letter have been used, begin again with double letter thus AA-AA.
9.0.23 Drawing shading is not allowed on drawings. Crosshatching may be used as an alternative to shading.
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9.0.24 Revisions on drawings may be encircled or clouded on the prescribed layer for easy identification of the revised portion. Prior to submitting the drawings after
certification and approval, revision encirclement or clouding must be either
removed or the layer turned off.
9.0.25 The letter O and I shall not be used for identification symbols on the drawings, as they are often confused with Zero and One. Exceptions are
instrument symbols as shown in SAES-J-004.
9.0.26 Font on drawings shall all be uppercase.
9.0.27 Review required/not required box in the title block shall be marked to indicate the review of key drawings.
9.0.28 Representation of piping on all 3/8 or smaller scale drawings and metric equivalent scale, shall be a single-line up to 12 nominal pipe size and double
line from 14 and above.
9.0.29 Abbreviations for Drawing Titles shall be made only when absolutely necessary and shall never be used when the meaning will not be clear.
9.0.30 Saudi Aramco Engineering Procedure SAEP-103 describes the permissible metric scales and usage of the metric system applicable to dimensioning of
drawings.
9.0.31 Existing engineering Drawings may be used for Project proposal purposes by utilizing electronic copies of these drawings and removing all the information
(e.g. Plant Number. Drawing Number, etc.) related to the original drawing.
Project proposal drawings shall not be assigned engineering drawing numbers.
9.0.32 Engineering drawings shall not be developed for any purpose in lieu of Standard Drawings and neither they shall be copied from Standard Drawings under any
circumstances without the written consent by the chairman of that Standard
Drawing committee.
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9.0.33 Library drawings shall be utilized at maximum as means for cost saving as well as uniformity in similar designs. For details on Library Drawings refer to SAEP-
305.
9.1 Graphic Scales
A line scale reference shall be included on both new and existing drawing just over the title
block. The line scale shall be divided into units of length as determined by the scale of the
drawing.
Examples:
9.2 Canceling Drawings
9.2.1 Engineering Drawings must be cancelled under the circumstances identified below. These circumstances should also be described in the drawing revision
blocks as the reasons for canceling the drawings.
a. A facility, plant, installation, or a piece of equipment has been abandoned, removed, dismantled or transferred outside Saudi Aramco
control. b. The drawing has been superseded by another drawing.
9.2.2 Drawings being cancelled follow the same procedures and levels of certification and approval of the revised drawings.
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a. Revision numbers must always be full numeric. b. Operations engineering approvals are required for ALL cancelled
drawings
9.2.3 An engineering drawing MUST NOT be cancelled when:
a. Completely redrawn. In this case, a higher revision will be applied to the same drawing number.
b. Only part of the drawing is void. c. It is related to more than one plant or facility. In this case the
Operations Engineering of all the facilities involved must be consulted.
9.3 Preparing Demolition Drawings
When preparing Demolition Design Drawings, the following steps must be taken:
9.3.1 Obtain, from ESSD/Drawing Management Unit, an electronic file of the existing drawing(s) to be used for demolition by submitting SA-8134 ENG.
9.3.2 Indicate in the form SA-8134 ENG that electronic file is required for 'Demolition' purpose.
9.3.3 EDSD shall assign a design revision for this purpose.
9.3.4 Cloud and crosshatch the areas to be removed.
9.3.5 Describe in the revision block against the issued revision.
9.3.6 Submit the drawing to EDSD along with other drawings of the project. Note: For further design, obtain a new revision per procedure.
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9.4 Designating Emergency Drawings
Saudi Aramco Plant Managers are responsible for designating and constantly reviewing
Engineering Drawings related to their plants and/or area of operation as Emergency
Drawings. Ensuring that all drawings are properly stamped for quick identification. Only
those drawings deemed necessary to support operations during a disaster situation should
be designated as EMERGENCY DRAWINGS.
9.5 As-Built Drawing
Any approved and certified "key" drawing and any other drawing designated by the
Operations Engineering and/or the Project Management Team, must be updated to reflect
the 'as-built' condition. In addition Pile Driving records, Foundations, and drawings with
significant changes must be updated to as-built condition. Additions or changes to a
drawing resulting from facility modification must also be verified as 'As-Built' and
referenced to the secondary job order/EWO.
9.5.1 "As-Built"
When a drawing is certified as 100% as-built with no change.
9.5.2 "Revised As-Built"
When a drawing is modified to be brought to a 100% as-built condition.
9.5.3 All as-built' efforts are processed in the same manner as normal drawing revisions.
9.5.4 The engineering organization for the plant or facility is the responsible for overseeing that the "KEY" drawings are kept current and all modifications (as
built) are gathered and incorporated into one engineering drawing to achieve a
"full revision". The full revision must then bear the next sequential revision
designation (issued through DMS), and then, submit to EDSD for archival per
SAEP-334.
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9.5.5 Revisions to non-certified drawings are considered developmental. Once it is determined that the drawing will be issued for construction, REO must be sure
that developmental revision alpha characters (i.e. A, B, C, D, etc) are erased
from the drawing revision block prior to approval and submittal to EDSD.
9.5.6 The drawings can be issued for construction with holds (clouded areas). All IFC drawings must be certified.
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10. CERTIFYING & SUBMITTING DRAWINGS
All engineering drawings developed and/or revised by Saudi Aramco organizations, or by
others for Saudi Aramco by means of approved electronic software and formats must be
certified, reviewed and submitted per SAEP-334
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11. CADD STANDARDS
11.1 GENERAL CADD STANDARDS
Saudi Aramco has developed its CADD standards to provide total design control through
the graphics terminal. These standards utilize Micro-Station's level structure design. All
Saudi Aramco CADD engineering design files have other files associated with them. These
include a cell library, color table, and reference file (form or border). The design files use
logical names to point to these associated files (one of the reasons why you must use
Saudi Aramco seed files) and follow the Saudi Aramco CADD standards (working units,
grid display and locks).
11.1.1
File Naming Convention
A Saudi Aramco drawing is identified by a three part name; the drawing number, sheet
number and revision number. See Saudi Aramco Drafting Manual for a description of these
parts. All CADD files are identified by a two part identity; the file name and file extension. The Saudi Aramco drawing number is in the format of AA-NNNNNN where "A" corresponds
to an alphabetic character and "N" corresponds to numeric character. The file name will be
exactly the same except that the "-" is dropped. The sheet number corresponds directly to the file extension but must be right justified and
packed with zeroes to create a three character sheet number.
11.1.1.1 VECTOR FILES
Vector file is identified by a two part identity which corresponds with the drawing number as the file name and the file extension as the sheet number.
The file name takes the following format.
11.1.1.2 RASTER FILES
Raster File is identified by two parts identity which corresponds with the
drawing number as the file name, and the file extension as the sheet number.
Due to the limitation on number of characters available for PC DOS file name,
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the second alpha character in the drawing number is dropped. This alpha
represents the size of the drawing which can be determined from the
associated vector file or hard copy print of the drawing. Another character in
the filename as 't' for tg4, tif or 'c' for cit is used to identify the raster format
type.
11.1.1.3 DMS DELIVERED FILES
Files extracted from the Saudi Aramco Drawing Management System (DMS)
are delivered with eight (8) character numeric number and extension as dgn for
Vector files and tg4 , cit or tif for Raster files as file name. The DMS generates
a reference report to identify the corresponding drawing number for each file
name.
11.1.2 Working Units
All CADD drawings must be in metric. The following CADD Working Units must be used for
all products unless otherwise stated.
1 METER 100 CM 1000 PU 42,949 X 42,949 SQ METERS WORKING AREA GU = : .1 UR = : .05 GR = 10
11.1.2.1 Definition
Working units are a means of relating the system's internal measurement of
units of resolution (UORs) to measurable working units (meters, centimeters,
etc) to meet the needs of the design file. Working units are the coordinate
units corresponding to the position and definition of a point in the design file.
The working unit dictates the degree of accuracy for placement of elements in
a drawing and determines the scale relationship of elements in the design file.
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11.1.2.2 Format
Working units, usually referred to as MU:SU:PU, take the following format:
MU Master unit of measurement
SU Subunit, a division of a master unit
PU Positional unit, representing the smallest degree of accuracy that
is possible in your design.
The system's UORs has a working area of 4,294,967,296 units of resolution in
both X & Y direction with working units of 1MU:1SU:1PU. To take advantage
of this large area and have detailed high resolution, 1000 PU is used as the
smallest unit of resolution. Since meters have been chosen as the Master
units and centimeters is a division of meters, 100 cm is used as the subunits.
This gives working units of 1M:100CM:1000PU and a working area of 42,949
X 42,949 meters
11.1.2.3 Grid Arrangement
A grid display can be assigned to these working units to be used as a design
aid. This grid display functions much like grid paper does in manual design. A
grid unit is the value for the distance between the grid dots on the screen. The
value of GU=: .1 relates to 1 mm. Hence, dot to dot relates to one millimeter.
The value of the Grid Reference is a quantity of grid dots. How many grid dots
between grid cross. The value of GR=10 gives 10 dots per cross. Hence,
cross to cross relates to one centimeter. A unit round-off value is applied to
the unit lock. It specifies points in the design plane that can be located when
the unit lock is active. The unit lock forces data points to the nearest unit
round-off point. A value of UR=: .05 allows points to lie one-half the distance
between the grid marks.
These CADD Unit configurations were chosen for the following reasons:
a) They are recommended CADD INDUSTRIAL ENGINEERING
PROCEDURES
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b) Grid display is a one to one ratio; dot-to-dot is one MM cross-to-cross is one CM.
c) Key-ins are in simplest form. M:CM.MM
d) All types of pen plotters will be able to plot in detailed high
resolution. Circles will be plotted as circles and not line segments.
11.1.3 Product Seed Files
The Saudi Aramco product seed files have been set up to maximize CADD productivity.
These files contain the title block information using title block program in SACS 2.5.1, have
the required displays, working units, view orientation, and locks. Each product seed file
has the product's cell library, color table, and form (border) already attached. The product
seed files use the following save view names (VI=) for easy design file display.
TB Title block area. This is the lower right hand portion of a drawing.
TD Top left data fields.
*** The entire drawing area with enter data field display set to on, where *** is the
three letter product code.
ALL The entire drawing area, but with enter data fields display set to off.
11.1.4 Saudi Aramco Forms (Borders)
EDSD have made and will continue to make updates to forms (borders) of Saudi Aramco
engineering drawings. Old borders are not available on SACS 2.5.1, thus, updating of "old"
CADD drawings are required. SACS 2.5.1 uses an automate text elements in the title block.
The old borders do not match the text element location on the title block program. In order
to provide this requirement and maintain borders as reference files, unique names will be
used for updated Saudi Aramco CADD borders. see SACS FORMS, SEED FILES AND
BORDERS TABLE (http://edsd.aramco.com.sa/dm/Attach/11.1/CADD_111S.html)
The following naming scheme will be used for reference files:
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***SRR.BOR border (reference file) name
where *** is the three letter product code
S is the size o f the drawing
RR is the CADD revision of the border
11.1.5 Level Structures (LV)
The design area of a CADD design file is composed of 63 identically sized, overlayed
planes. These overlays or levels are used in the Saudi Aramco standards to separate
equipment, types of lines and other drawing details to enable CADD to be a more
productive tool. A level structure table is given for each product Attachment "A"
(http://edsd.aramco.com.sa/dm/Attach/11.1/CADD_111A.html) within the product
standards).
11.1.6 Color Codes (CO)
Saudi Aramco CADD standards use a special color table (SACOLOR.TBL) and not the
default color table provided by MicroStation. In order to specify an active color code, the
CO = N, where 'N' is the color code number, must be used.
11.1.7 Line Weight (WT)
MicroStation provides various weight thickness for lines. Attachment 'B' (http://edsd.aramco.com.sa/dm/Attach/11.1/CADD_111B.max) provides the required line thickness for hard copy plots of Saudi Aramco CADD drawings. Special pen tables
may be required to achieve these requirements. The approximate thickness of these
weights as plotted on a 400 DPI plotter as follows:
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Weight Thickness (mm)
0 0.06
1 0.03
2 0.25
3 0.38
4 0.45
5 0.51
6 0.57
7 0.70
8 0.76
9 0.89
10 1.02
11.1.8 Line Codes (LC)
MicroStation provides eight linear patterns called line codes (See Attachment 'C')
(http://edsd.aramco.com.sa/dm/Attach/11.1/CADD_111C.max). These line codes have been used in the Saudi Aramco CADD Standards. However, some of the patterns
required for the Saudi Aramco CADD Standards are not provided by these line codes
11.1.8.1 Electrical Lines:
This is a solid line with two parallel 45 slash marks ("//") every 20 mm. The
length of the line to the first slash mark is 19 mm. The distance between the
slashes is 1 mm and the length of each slash is 2.828 mm. If the distance of
the required line is less than 40 mm, then a single set of parallel slashes is
placed in the center of the line.
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11.1.8.2 Capillary Tube:
This is a solid line with two 45 crossing slash marks ("X") every 19 mm. The
length of each slash is 2.828 mm. If the distance of the required line is less
than 40 mm, then a single set of crossing slashes is placed in the center of the
line.
11.1.8.3 Match Lines:
This is a combination of a long solid line followed by two short solid lines and
then another long line. The length of the long line is 38 mm. Each short line
has a length of 3 mm. All gaps between the line are also 3 mm. If the distance
of the required line is less than 100 mm, then a single set of two short lines is
placed in the center of the line.
11.1.8.4 Computer Link:
This is a combination of solid lines and circles. The length of each line is 3
mm. The gap between the line and circle is 1 mm. The diameter of the circle
is 1 mm. If the distance of the required line is less than 10 mm, then only a
solid line should be drawn.
11.1.8.5 Computer Cable:
This is a combination of long and short solid lines. The length of the long line
is 3 mm. The gap between the long line and short line is 1 mm. The length of
the shorter line is 1 mm. If the distance of the required line is less than 10 mm,
then only a solid line should be drawn.
11.1.8.6 VOD LINES:
All VOD lines are composed of line segments and text. Attachment "D" (http://edsd.aramco.com.sa/dm/Attach/11.1/CADD_111D.max) shows actual size plot of all those lines.
11.1.9 Fonts
All Saudi Aramco CADD engineering drawing must use FT=61 as the font style when
placing text within the design file. Stacked fractions are provided in this font library
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(FONT61.CEL) for numbers less than a whole number (ex: 21/16 == 1 5/16). The fractions
provided are for halves, quarters, eighths, sixteenths, thirty-seconds and sixty-fourths (i.e.
1/2, 1/4, 3/4, 1/8, 3/8,....,59/64). The Intergraph system does not provide stacked fractions
for thirds, so two of the above fractions have been renamed to provide this data. To get
thirds as a stacked fraction; the fraction 63/64 must be entered to obtain 1/3 and the
fraction 61/64 must be entered to provide the stacked fraction 2/3. All other fractions will
provide the required stacked fraction as entered. Special characters are symbols that do
not exist on the keyboard but are needed in drawings. Certain keys have been
programmed to display these special characters when they are keyed in and placed as text.
The following keys produce these special characters.
11.1.10 Environment Variables (Logical Names)
Saudi Aramco CADD Standard use environment variables for attachment of reference files.
This allows Saudi Aramco files to become platform independent. For that reason the
following environment variable must be defined and used for border attachment.
PID environment variable points to the PID product directory
PFD environment variable points to the PFD product directory
ILD environment variable points to the ILD product directory
E1L environment variable points to the E1L product directory
VOD environment variable points to the VOD product directory
DEF environment variable points to the DEF product directory
FPP environment variable points to the FPP product directory
MS_
FNTLB environment variable points to the font library that includes font 61
MS_
FONTRSC environment variable points to the font resource that includes font 61
11.1.11 DO's and Don'ts
To ensure maximum productivity from the Saudi Aramco CADD systems, the following
CADD drafting parameters must be followed:
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11.1.11.1 All design files must be created from a Saudi Aramco product seed file.
11.1.11.2 Do not override or change the product seed file setups. Do not change the
working units.
11.1.11.3 Saudi Aramco forms (borders) must be referenced only. Do not include forms as part of the design file. A border must remain with the CADD drawing
throughout its continuous life cycle for that particular revision.
11.1.11.4 Do not drop or change Standard Cells. Any required additional cell can be
created in an operator cell library.
11.1.11.5 Do not scale down drawings. Instead, rearrange the drawing or split the
drawing into two drawings. Exception: PIDBH.A and PIDBV.A
11.1.11.6 All elements in schematic type drawings (non-scale) must be placed with
grid/unit lock set to ON position.
11.1.11.7 Use only Saudi Aramco Font 61.
11.1.11.8 The rectangular box provided at the bottom right corner of the border must be
filled out to indicate file type i.e. either VECTOR or RASTER or HYBRID.
11.1.11.9 File design to display the drawing such as that view 1 (maximized) on the RH screen displays bottom RH corner of the drawing showing the title block and
revision column with data fields turned on position. View 5 (maximized) on the
LH screen (or next screen) displays the entire drawing with data fields turned
off position.
11.1.11.10 Always attach the latest border on SACS 2.5.1 whenever, revising or creating
new drawings.
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11.1.12 Electronic File Submittal
11.1.12.1 All electronic files of approved CADD engineering drawings must be submitted
to EDSD. Refer to SAEP-334.
11.1.12.2 The electronic files must be submitted to EDSD via the Drawing Management System (DMS) where applicable, OR through CD media (write speed should
not exceed 4x600kb\sec)
11.1.12.3 Each form 8135 must accompany the corresponding electronic files must be
submitted as per SAEP-334:
11.1.12.4 For all FRAMME-TFIDS submittals generated CADD drawings shall be certified and prepared to meet all Company Standards and then submitted to
EDSD in electronic format as per SAEP-334. The scanned files will be loaded
and made available through DMS for reference purposes (QVP) only.
11.1.13 Title Block Data Entry (SACS 2.5.1 only)
Saudi Aramco Drawing Title Block Automation is a system designed to generate text box
information within Engineering Drawing Files. The same information is also written into the
Design File within an element