AS 1100.301—1985

Australian Standard�

Technical drawing

Part 301: Architectural drawing

This Australian standard was prepared by Committee MS/32, Technical Drawing. Itwas approved on behalf of the Council of the Standards Association of Australia on29 May 1985 and published on 4 November 1985.

The following interests are represented on Committee MS/32:

Association for Computer Aided Design Limited

Association of Consulting Engineers Australia

Australian Chamber of Commerce

Australian Gas Association

Bureau of Steel Manufacturers of Australia

CSIRO, Division of Applied Physics

Confederation of Australian Industry

Department of Conservation, Forests and Lands, Victoria

Department of Defence

Department of Defence Support

Department of Housing and Construction

Department of Public Works, New South Wales

Electricity Supply Association of Australia

Institute of Draftsmen Australia

Institution of Engineers Australia

Institution of Production Engineers

Master Builders Federation of Australia

Royal Australian Institute of Architects

Society of Automotive Engineers, Australasia

Telecom Australia

University of Melbourne

University of New South Wales

University of Queensland

The following bodies also participated in the preparation of this standard asmembers of Subcommittee MS/32/4, Architectural Drawing:

Housing Commission of New South Wales

Housing Industry Association of Australia

NSW Institute of Technology

Practising Architects Association

State Electricity Commission of Victoria

Review of Australian Standards. To keep abreast of progress in industry, Australian Standards aresubject to periodic review and are kept up to date by the issue of amendments or new editions asnecessary. It is important therefore that Standards users ensure that they are in possession of the latestedition, and any amendments thereto.

Full details of all Australian Standards and related publications will be found in the Standards AustraliaCatalogue of Publications; this information is supplemented each month by the magazine ‘The AustralianStandard’, which subscribing members receive, and which gives details of new publications, new editionsand amendments, and of withdrawn Standards.

Suggestions for improvements to Australian Standards, addressed to the head office of StandardsAustralia, are welcomed. Notification of any inaccuracy or ambiguity found in an Australian Standardshould be made without delay in order that the matter may be investigated and appropriate action taken.

This standard was issued in draft form for comment as DR 84099.

AS 1100.301—1985

Australian Standard�

Technical drawing

Part 301: Architectural drawing

First published (as AS 1100, Part 13) 1978. . . . . . . . . AS 1100, Part 301 first published 1985. . . . . . . . . . . .

PUBLISHED BY STANDARDS AUSTRALIA(STANDARDS ASSOCIATION OF AUSTRALIA)1 THE CRESCENT, HOMEBUSH, NSW 2140

ISBN 0 7262 3842 2

PREFACE

This standard was prepared by the Association’s Committee on Technical Drawing. Itconstitutes Part 301 of a new multi–part standard designated AS 1100, Technical Drawing,which supersedes the 13–part standard AS 1100, Drawing Practice.

The following Parts have been published:

Part 101—General Principles

Part 201—Mechanical Drawing

Part 401—Engineering Survey and Engineering Survey Design Drawing.

Concurrent with this Part 301 is published Part 501, Structural EngineeringDrawing.

This Part 301, Architectural Drawing, supersedes AS 1100, Part 13–1978.

It was in 1976 that the above committee decided that rather than have a standardof many parts it would be better if all aspects of technical drawing wereconsolidated into fewer parts that would embrace the entire discipline.

The designation AS 1100 has been retained for this new multi–part standard sinceit is already well established throughout industry and teaching institutions as theAustralian standard number for technical drawing. However, to identify these neweditions from the previous ones, the designation of 3–digit Part numbers has beenemployed.

This Part 301 deals with architectural drawing and changes from the previousedition, AS 1100, Part 13–1978, are relatively minor. There has been someredrafting and rearrangement in order to align with Part 101. Colour–codingprovisions from the former AS CA25–1955 have been restored. Some additionalsymbols are given. Dimensional coordination, which has not become as commonas previously expected, has not been included in this edition.

It must be remembered that an architectural drawing is essentially a means ofcommunication between all parties involved in the planning, design andconstruction of the building represented. The aims in its preparation should includeclarity, consistency, ease of comprehension, freedom from ambiguity, andcompleteness of information without superfluity.

Care should be taken not to confuse the symbols given in this standard with thescaled plotting of features which should be the adopted practice where practicable.

Consideration must be given to line thickness, symbol height and lettering toensure that they are suitable for the drawing scale, sheet size and possible filingmethod, e.g. microfilm.

This standard is intended to be suitable for both manual and computer–aideddrafting.

Supplement No 1 to this standard gives drawings illustrating the use ofconventions specified in the standard.

� Copyright — STANDARDS AUSTRALIA

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Standards Australia will permit up to 10 percent of the technical content pages of a Standard to be copied for use exclusively in–house bypurchasers of the Standard without payment of a royalty or advice to Standards Australia.

Standards Australia will also permit the inclusion of its copyright material in computer software programs for no royalty payment providedsuch programs are used exclusively in–house by the creators of the programs.

Care should be taken to ensure that material used is from the current edition of the Standard and that it is updated whenever the Standard is amended orrevised. The number and date of the Standard should therefore be clearly identified.

The use of material in print form or in computer software programs to be used commercially, with or without payment, or in commercial contracts issubject to the payment of a royalty. This policy may be varied by Standards Australia at any time.

CONTENTS

Page

SECTION 1. SCOPE AND GENERAL 1.1 Scope 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 Application 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 Referenced Documents 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.4 Definitions 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 Classification of Documents 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.6 Legends 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 2. GENERAL APPLICATIONS 2.1 Dimensioning 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2 Lines 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3 Symbols 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.4 Abbreviations 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 Designation and Coding of Spaces and Components 11. . . . . . . . . . . . . . 2.6 Drawing Scales 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7 Layout of Drawing Sheets 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 3. INDICATION OF LEVELS AND GRADIENTS 3.1 Expression of Levels 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 Expression of Gradient 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3 Orientation of Plans 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 4. ARCHITECTURAL CONVENTIONS 4.1 Windows 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2 Doors 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3 Miscellaneous Conventions 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 5. REPRESENTATION OF MATERIALS 5.1 Hatching 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.2 Colouring 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

APPENDICES A Conventions for Cross–Referencing of Drawings 21. . . . . . . . . . . . . . . . . . . . . B Dimensioning by Coordinates and Use of Grids 22. . . . . . . . . . . . . . . . . . . . . .

AS 1100.301—1985 4

STANDARDS ASSOCIATION OF AUSTRALIA

Australian Standard

for

TECHNICAL DRAWING

PART 301 —ARCHITECTURAL DRAWING

SECTION 1. SCOPE AND GENERAL

1.1 SCOPE. This standard sets out recommendationsfor architectural drawing practice. It is complementaryto AS 1100, Part 101.This standard indicates methods of presenting drawingsof architectural work, before, during and after theconstruction period.The standard includes information on abbreviations(additional to those in AS 1100, Part 101), the layout ofdrawing sheets, line conventions, and conventions forthe cross-referencing of drawings, coordinates andgrids. Sample drawings are given in Supplement No. 1,published separately.1.2 APPLICATION. The principles given in thisstandard are intended for adoption by architects,engineers, drafters and builders in both Governmentauthorities and private enterprise throughout Australia.The standard is intended as a basis for commonpractice, upon which technical organizations can basetheir own detailed rules or manuals for the preparationand presentation of drafting work.The application of this standard may require referenceto AS 1100, Part 201, Part 401 and Part 501, AS 1101,Part 5 and AS 1102, Part 8.1.3 REFERENCED DOCUMENTS. The followingstandards are referred to in this standard:AS 1100 Technical Drawing

Part 101 — 1984 General PrinciplesPart 201 — 1984 Mechanical DrawingPart 401 — 1984 Engineering Survey and

Engineer ing S ur veyDesign Drawing

Part 501-1985 Structural EngineeringDrawing

AS 1101 Graphical Symbols for General EngineeringPart 5 —Piping, Ducting and Mechanical

Services for BuildingsAS 1102 Graphical Symbols for Electrotechnology

Part 8 —Location Symbols— Power andCommunications Installations forBuildings and Sites

AS 1155 Metric Units for Use in the ConstructionIndustry

AS 2700S Colour Standards for General PurposesSAA MH2 Metric Data for Building Designers1.4 DEFINITIONS. For the purpose of this standard,the definitions given in AS 1100, Part 101, and thefollowing apply:1.4.1 Job datum — a clearly defined and accessiblemarker which will be visible and unlikely to be disturbedduring the course of a job, from which the requiredreduced levels of the parts of a building or its site canbe readily measured during construction.

1.4.2 Level — the height or depth of an object or pointrelated to a specified datum. Where possible, thisdatum should be the Australian Height Datum.

NOTE: In engineering survey drawing, the term ‘height’instead of ‘level’ is used to define vertical position (see AS1100, Part 401). However, in architectural practice, the term‘height’ is used for a vert ical distance or interval, e.g.floor- to-f loor height.

1.4.3 Reduced level (RL) — a level related to anominated datum.1.4.4 Reflected plan — the plan of a ceiling or the like,viewed from above as if reflected by the upper surfaceof a horizontal plane of section below the ceiling.1.4.5 Section — the projection of the cut in an objectmade by a cutting plane on a plane parallel thereto.1.5 CLASSIFICATION OF DOCUMENTS.1.5.1 General. For clarity in communication and toenable information to be found quickly, documents shallbe classified according to the type of information to bepresented.Each should contain only information which isappropriate to its category. Drawings should not containinformation which can be better conveyed by schedulesor specifications, and vice versa.1.5.2 Document classification.1.5.2.1 Types. For the purpose of classification,documents may be identified as ‘drawings’ or ‘otherdocuments’, as outlined in Clauses 1.5.2.2 and 1.5.2.3.1.5.2.2 Drawings.(a) Drawings at design stage.

(i) Schematic drawing — a preliminary designdrawing, sketch or diagram showing inoutline form the designer’s general intention.

(ii) Development drawing —a design drawingdeveloped to show the building and site asenvisaged by the designer and from whichproduction drawings can be produced.

(b) Drawings at production stage.(i) Location drawing —a drawing produced in

order that drawing users may-A. gain an overall picture of the layout and

shape of the building;B. determine setting-out dimensions for

the building as a whole;C. locate and identify the spaces and parts

of the building, e.g. rooms, doors,cladding panels, drainage; and

D. pick up references which lead to morespecific information, particularly aboutjunctions between the parts of thebuilding.

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5 AS 1100.301—1985

Each group of location drawings will almostalways include site plans, floor plans,elevations, sections and, very often, drainageplans, but there will be occasions whenfurther categories, such as joist layouts,reflected ceiling plans or the enlargement ofcomplex areas may be necessary.

(ii) Component drawing —a drawing to show theinformation necessary for the manufactureand application of components. Informationon basic sizes, and system or performancedata are often also shown.

(iii) Assembly drawing — a drawing to show indetail the construction of buildings andjunctions in and between elements and/orcomponents.

1.5.2.3 Other documents. Other documents identifiedat production stage are-

(a) specification —a precise description of materialsand workmanship of a project or parts thereofwhich are not shown on drawings or in schedules;

(b) schedule — tabulated information on a range ofsimilar items differing in detail, such as doors,windows, etc; and

(c) bill of quantities —a complete measure of thequantities of material, labour and any other itemsrequired to carry out a project based on thespecification, drawings and schedules.

1.6 LEGENDS. Where appropriate, legends shall beprovided in respect of items not represented bystandard symbols, such as the following:(a) Existing work.(b) Set-out lines.

NOTE: See Clause 1.6 of AS 1100, Part 401, for furtherexamples.

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AS 1100.301—1985 6

SECTION 2. GENERAL APPLICATIONS

2.1 DIMENSIONING. Units and methods used indimensioning of drawings shall be in accordance withAS 1100, Parts 101 and 201, and AS 1155. Dimensions

may be indicated in accordance with the followingconventions:

NOTE: The use of tolerances as in dimensional coordination has not been generally adoptedand therefore is not included in this edition of the standard. Drawing off ices can stil l use thismethod if desired. Examples of drawings are given in SAA MH2.

2.2 LINES.2.2.1 Type of line. A type of line appropriate for eachapplication should be selected from Clause 3.1 ofAS 1100, Part 101, and used in accordance withTable 2.1(B) herein.2.2.2 Line thickness. Line thicknesses shall beselected in accordance with Clause 3.2.1 of AS 1100,

Part 101, except that a continuous medium line mayalso be used (designated M in Table 2.1(A) herein).The examples shown in Table 2.1.(A) are taken fromline group 0.7 mm which is generally favoured. A line ofthickness 0.25 mm or less may be difficult to reproducein reductions, and is not recommended.

TABLE 2.1(A)TYPE OF LINE

Designatingletter Type of line Example of line

A Continuouse — thick*

M Continuous — medium†

B Continuous — thin*

* In accordance with AS 1100, Part 101.† In accordance with AS 1100, Part 501.

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7 AS 1100.301—1985

TABLE 2.1(B)APPLICATION OF LINES

Drawing and application Designating letter(see Table 2.1(A)

Schematic drawings:Outl ine of new buildings and site boundariesOutl ine of existing buildingReference lines, dimension lines and hatching

AMB

Development drawings:Outl ine of site and new buildingGeneral building works and landscapingReference grids, dimension lines and hatching

AMB

Location drawings:Primary elements in horizontal or vert ical section,outl ines requiring emphasisComponents and assemblies in plan, section and elevationReference grids, dimension lines and hatching

AMB

Component and assembly drawings:Profiles in horizontal or vert ical sectionProfiles in plan or elevationReference grids, dimension lines and hatching

AMB

2.3 SYMBOLS. The symbols given in Table 2.2 shouldbe used to indicate relevant features on drawingsprepared for general or communication purposes, butonly where drawing to scale is impracticable.

NOTE: Symbol size and line thickness will depend ondrawing size and scale. Symbols given have therefore notbeen dimensioned.

TABLE 2.2GENERAL SYMBOLS

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AS 1100.301—1985 8

TABLE 2.2 (continued)GENERAL SYMBOLS

NOTE: It is recognized that numerous tracing templates with dif fering symbols are available,and that the increasing application of computer-aided drafting packages will generate an everwider variation of symbols. The symbols given are examples of standard symbols that can bedrawn manually.Where possible, the symbols should be drawn without their associated abbreviations, tominimize clutter and improve clarity. Abbreviations should not be required, for example, wherea larger scale drawing is cross-referenced, but may be required if there is a need for othersymbols of similar appearance.Examples of other items not included are:

Refr igerator, dishwasher, clothes washer, clothes dryer, cooker, wall oven, cleaner’s sink.Most of these would be squares or rectangles (possibly with a diagonal through them) and theassociated abbreviation.Cleaner’s sink would look very similar to tub-single, therefore identi fication letters would needto be added to the symbol.Some symbols shown in AS 1100, Part 401, are applicable to block and site plans.

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9 AS 1100.301—1985

2.4 ABBREVIATIONS. Abbreviations for use ingeneral applications shall be in accordance withAS 1100, Part 101 and Tables 2.3 and 2.4 herein.

(Table 2.4 gives the decoding of the abbreviationsgiven in Table 2.3.)

TABLE 2.3GENERAL ABBREVIATIONS—ENCODING

Word(s) Abbreviation Word(s) Abbreviation

acid-resistant . . . . . . . . . . . . . . . . . . . .acid waste . . . . . . . . . . . . . . . . . . . . . .acoustic plasteracoustic tile . . . . . . . . . . . . . . . . . . . . .air brick . . . . . . . . . . . . . . . . . . . . . . . .aluminium . . . . . . . . . . . . . . . . . . . . . .asbestos cement . . . . . . . . . . . . . . . . .asphalt . . . . . . . . . . . . . . . . . . . . . . . . .

blanket . . . . . . . . . . . . . . . . . . . . . . . . .bookcase . . . . . . . . . . . . . . . . . . . . . . .brickwork . . . . . . . . . . . . . . . . . . . . . . .brick veneer . . . . . . . . . . . . . . . . . . . . .

cavity wall . . . . . . . . . . . . . . . . . . . . . .cement render . . . . . . . . . . . . . . . . . . .ceramic tile . . . . . . . . . . . . . . . . . . . . .chemical closet . . . . . . . . . . . . . . . . . . .clothes drier . . . . . . . . . . . . . . . . . . . . .clothes washer . . . . . . . . . . . . . . . . . . .cooker . . . . . . . . . . . . . . . . . . . . . . . . .corrugated . . . . . . . . . . . . . . . . . . . . . .cupboard . . . . . . . . . . . . . . . . . . . . . . .

damp-proof membrane . . . . . . . . . . . . .dishwasher . . . . . . . . . . . . . . . . . . . . . .door . . . . . . . . . . . . . . . . . . . . . . . . . . .double glazing . . . . . . . . . . . . . . . . . . .double hung . . . . . . . . . . . . . . . . . . . . .down pipe . . . . . . . . . . . . . . . . . . . . . .drinking fountain . . . . . . . . . . . . . . . . . .

face brick . . . . . . . . . . . . . . . . . . . . . . .fibrous cememt . . . . . . . . . . . . . . . . . . .finished ceiling level . . . . . . . . . . . . . . .finished floor level . . . . . . . . . . . . . . . .fixed . . . . . . . . . . . . . . . . . . . . . . . . . .floor waste . . . . . . . . . . . . . . . . . . . . . .

ARAWAPATABALACASPH

BLKTBCBWKBV

CWCRCTCCCDCWCCORRCPD

DPMDWDDGDHDPDF

FBFCFCLFFLFFW

glass reinforced concrete . . . . . . . . . . .glass reinforced plastics . . . . . . . . . . . .glazed earthenware . . . . . . . . . . . . . . .granolithic . . . . . . . . . . . . . . . . . . . . . .

heater . . . . . . . . . . . . . . . . . . . . . . . . .hot water unit . . . . . . . . . . . . . . . . . . . .

linoleum . . . . . . . . . . . . . . . . . . . . . . . .

nickel plated . . . . . . . . . . . . . . . . . . . . .

off- form concrete . . . . . . . . . . . . . . . . .

quarry tile . . . . . . . . . . . . . . . . . . . . . . .

rainwater head . . . . . . . . . . . . . . . . . . .rainwater pipe . . . . . . . . . . . . . . . . . . .reduced level . . . . . . . . . . . . . . . . . . . .refr igerator . . . . . . . . . . . . . . . . . . . . . .roller shutter . . . . . . . . . . . . . . . . . . . . .

shower . . . . . . . . . . . . . . . . . . . . . . . . .stainless steel . . . . . . . . . . . . . . . . . . .standpipe . . . . . . . . . . . . . . . . . . . . . . .

terra cotta . . . . . . . . . . . . . . . . . . . . . .terrazzo . . . . . . . . . . . . . . . . . . . . . . . .

underside . . . . . . . . . . . . . . . . . . . . . . .urinal . . . . . . . . . . . . . . . . . . . . . . . . . .

vinyl . . . . . . . . . . . . . . . . . . . . . . . . . . .

wardrobe . . . . . . . . . . . . . . . . . . . . . . .water closet . . . . . . . . . . . . . . . . . . . . .weatherboard . . . . . . . . . . . . . . . . . . . .western red cedar . . . . . . . . . . . . . . . . .window . . . . . . . . . . . . . . . . . . . . . . . .

yard gully . . . . . . . . . . . . . . . . . . . . . . .

GRCGRPGEWGRANO

HTRHW

LINO

NP

OFC

QT

RWHRWPRLRRS

SHRSSSP

TCTRZO

U/SU

V

WRWCWBWRCW

YG

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AS 1100.301—1985 10

TABLE 2.4GENERAL ABBREVIATIONS—DECODING

Abbreviation Word(s) Abbreviation Word(s)

AB . . . . . . . .AC . . . . . . . .AL . . . . . . . .AP . . . . . . . .AR . . . . . . . .ASPH . . . . . .AT . . . . . . . .AW . . . . . . .

BC . . . . . . . .BLKT . . . . . .BV . . . . . . . .BWK . . . . . .

C . . . . . . . . .CC . . . . . . . .CD . . . . . . . .CORR . . . . .CPD . . . . . . .CR . . . . . . . .CT . . . . . . . .CW . . . . . . .CW . . . . . . .

D . . . . . . . . .DF . . . . . . . .DG . . . . . . . .DH . . . . . . . .DP . . . . . . . .DPM . . . . . .DW . . . . . . .

F . . . . . . . . .FB . . . . . . . .FC . . . . . . . .FCL . . . . . . .FFL . . . . . . .FW . . . . . . .

air brickasbestos cementaluminiumacoustic plasteracid-resistantasphaltacoustic tileacid waste

bookcaseblanketbrick veneerbrickwork

cookerchemical closetclothes driercorrugatedcupboardcement renderceramic tilecavity wallclothes washer

doordrinking fountaindouble glazingdouble hungdown pipedamp-proof membranedishwasher

fixedface brickfibrous cementfinished ceiling levelfinished floor levelfloor waste

GEW . . . . . .GRANO . . . .GRC . . . . . .GRP . . . . . .

HTR . . . . . . .HW . . . . . . .

LINO . . . . . .

NP . . . . . . . .

OFC . . . . . . .

QT . . . . . . . .

R . . . . . . . . .RL . . . . . . . .RS . . . . . . . .RWH . . . . . .RWP . . . . . .

SHR . . . . . . .SS . . . . . . . .SP . . . . . . . .

TC . . . . . . . .TRZO . . . . . .

U . . . . . . . . .U/S . . . . . . .

V . . . . . . . . .

W . . . . . . . .WB . . . . . . .WC . . . . . . .WR . . . . . . .WRC . . . . . .

YG . . . . . . . .

glazed earthenwaregranolithicglass reinforced concreteglass reinforced plastics

heaterhot water unit

linoleum

nickel plated

off- form concrete

quarry tile

refr igeratorreduced levelroller shutterrainwater headrainwater pipe

showerstainless steelstandpipe

terra cottaterrazzo

urinalunderside

vinyl

windowweatherboardwater closetwardrobewestern red cedar

yard gully

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11 AS 1100.301—1985

2.5 DESIGNATION AND CODING OF SPACESANDCOMPONENTS.

2.5.1 General. Rooms or enclosed spaces,components, units of equipment and other items maybe numbered to facilitate identification, both ondrawings and on schedules.

2.5.2 Sequence of numbering. The numbering orreferencing should follow a logical sequence, themethod adopted being dependent on the nature of thejob. Generally, numbering should proceed clockwise.

2.5.3 Designation of levels. Where the use ofconventional terminology, e.g. basement, ground floor,first floor, etc., could be confusing, building levelsshould be numbered from the lowest level (Level 1)upwards.

2.5.4 Designation of rooms and spaces. Anumerical sequence starting with 1 should be used todesignate rooms and other important spaces on eachlevel. Small cupboards should not be given a separatenumber but be allocated the number of the room inwhich they are situated followed by an appropriatesuffix.

Stairs, ducts, shafts, etc which are continuous throughtwo or more levels should be given the same numberon each level with an appropriate distinguishing nameor letter prefix, e.g. Stair 3 or Stair S3.

In written documents the room or space reference canbe identified by prefixing it with the level number onwhich it occurs, allowing sufficient digits foridentification of all rooms and spaces. Thus, wherethere are between 10 and 99 rooms —

2.08 means level 2, room 8, (not level 20, room 8)2.12 means level 2, room 12

10.01 means level 10, room 1.

2.5.5 Identif ication of components. Whereappropriate, suitable identification may be allocated toeach class of component or item of equipment. Thenomenclature adopted shall be clearly stated both ondrawings and on schedules. Numbering within eachclass should be consecutive, starting from 1.Additionally, a type number or letter may be shown ifthis is desired. Numbering may start from 1 on eachfloor or may be consecutive for the whole building, asconvenient.

When reference is made to a component or item ofequipment other than on the plan on which it is shown,the appropriate level number should precede thereference, as for spaces (see Clause 2.5.4).

2.5.6 Identification of windows and doors.Windows and doors should be cross-referenced todrawings or schedules as shown in Appendix A,item(e).

2.6 DRAWING SCALES. Drawings should have aminimum scale for joint details of 1:20, to allow forreduction of prints to half-size.

2.7 LAYOUT OF DRAWING SHEETS. The layout ofdrawing sheets should comply with the examples givenin AS 1100, Part 101, except that additional widths ofmargins may be provided to allow for the binding oredging of drawings or for rough handling on site.

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AS 1100.301—1985 12

SECTION 3. INDICATION OF LEVELS AND GRADIENTS3.1 EXPRESSION OF LEVELS

3.1.1 General. Levels should be expressed to thenearest multiple of 5 mm or 0.005 mm and thenumerals for the required level should be enclosed in adrawn rectangular box. Where the level of an existingfeature is to be varied, the existing level should beplaced directly above the box containing the requiredlevel, thus:

Where there is a possibility that levels might beconfused with other numerals on a drawing, e.g. roomnumbers, linear dimensions or grid references the useof the prefix RL (reduced level) or FFL (finished floorlevel), as applicable, is recommended, thus:

3.1.2 Levels on plan. There are three generalmethods for the indication of levels on plan views, asfollows:

(a) Job datum level. The job datum level is indicatedby the symbol followed by the numerals for thatlevel, thus:

The position of the job datum should be clearlymarked on site plans together with a shortdescription and its assumed level which should besuch that all of the reduced levels specified for agiven job will be positive numbers.

(b) Spot levels. Spot levels are used to indicate therequired level for a specific point or limited area

and consist of the symbol + placed at the exactspot to which the level applies, followed by thenumerals for the proposed and/or existing level,thus:

(c) Contour lines. Contour lines are used to indicatethe slope and shape of the ground surface. Theyshall be drawn to pass through all points on thesite having the same RLs. The RL represented isplaced at the end of each line at the site boundary,or in the case of large sites may be placed atintermediate points in or on the line.

The type of line, in accordance with linedesignating letters given in AS 1100, Part 101,shall be as follows:

(i) For existing surface, to remain unchanged...continuous thin, type B or C.

(ii) For existing surface, to be changed...dashedthin, type E.

(iii) For required finished surface....continuousthin, type B or C.

NOTE: In engineering survey drawing, ‘height’ isused instead of ‘level’ (See Clause 1.4.2.)

3.1.3 Levels on section or elevation. Levels, existingor proposed, should be projected clear of the detail bymeans of an extension line and indicated as shown inFig. 3.1. A box is not required when a level is writtenon such a line drawn in elevation.

Fig. 3.1. INDICATION OF LEVEL ON SECTION

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3.2 EXPRESSION OF GRADIENT. For thespecification of vertical angles which are capable ofbeing established on-site by means of simplemeasuring devices, the gradient (slope, pitch, fall orincline) of surfaces, such as roofs, gutters, ramps, etc.should be expressed in the form of a numerical rationY:X, where Y is the vertical dimension and X is thehorizontal dimension of a right-angled triangle thehypotenuse of which is the slope (see Fig. 3.2).

For convention, the vertical dimension will always formthe first part of the ratio.

Thus for gradients flatter than 1:1, the first number willbe unity e.g. 1:20, and for gradients steeper than 1:1,the second number will be unity e.g. 5:1.

The use of angular measurement for slopes in degreesor radians is still acceptable in certain cases where ahigher degree of accuracy is required.

3.3 ORIENTATION OF PLANS. A north point shouldappear on every plan. Wherever practicable, all plans,including the site plan, should be drawn with the sameorientation. The site location plan should be drawn withthe north at the top of the sheet irrespective of theorientation of the other plans.

Fig. 3.2. THE GRADIENT OF A SLOPE

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AS 1100.301—1985 14

SECTION 4. ARCHITECTURAL CONVENTIONS

4.1 WINDOWS.4.1.1 Elevations.4.1.1.1 Side Hinged. Where a window is hinged alongone edge, the opening/closing edge shall be shown atthe point of an indication trangle, as shown in Fig. 4.1.

Fig. 4.1. RIGHT-SIDE HINGED WINDOW

4.1.1.2 Pivoted. Where a window is pivoted, the pivotpoints shall be indicated by lines through the points ofthe indication diamond, as shown in Fig. 4.2.

Fig. 4.2 WINDOW PIVOTS

4.1.1.3 Top or bottom hinged. Where a window ishinged at the top or bottom, the opening/closing edgeshall be shown at the point of an indication triangle, asshown in Fig. 4.3.

Fig. 4.3 TOP AND BOTTOM HINGED WINDOWS

4.1.1.4 Sliding. A sliding sash shall be indicated by anarrow drawn on it pointing in the direction of opening,e.g. as shown in Fig. 4.4.

Fig. 4.4. SLIDING SASHES

4.1.2 Plan. A window in plan view shall be indicatedas shown in Fig. 4.5.

Fig. 4.5. WINDOW IN PLAN VIEW

4.2 DOORS.

4.2.1 Elevation. To indicate the hinging and openingof doors in elevation, the opening/closing edge of thedoor shall be shown at the point of an indicationtriangle, as shown in Fig 4.6.

NOTE: Need not be shown if covered on larger-scale drawings.

Fig. 4.6 HINGED DOORS

4.2.2 Plan.

4.2.2.1 Single-swing. Single-swing doors shall beindicated in plan in accordance with the conventionsillustrated in Fig. 4.7, as appropriate.

Fig. 4.7 SINGLE-SWING DOORS

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4.2.2.2 Double-acting. Double-acting doors shall beindicated in accordance with the conventions illustratedin Fig. 4.8, as appropriate.

Fig. 4.8. DOUBLE-ACTING DOORS

4.2.2.3 In-and-out. In-and-out doors shall be indicatedin accordance with the conventions illustrated inFig. 4.9, as appropriate.

Fig. 4.9. IN-AN-OUT DOORS

4.2.2.4 Sliding. Sliding doors shall be indicated inaccordance with the conventions illustrated in Fig. 4.10,as appropriate.

Fig. 4.10. SLIDING DOORS

4.2.2.5 Vertically opening doors. Doors openingvertically shall be indicated in accordance with theconvention illustrated in Fig. 4.11. The dashed lineindicates the door.

Fig. 4.11 VERTICALLY OPENING DOOR

4.2.2.6 Folding doors and partitions. Folding doorsand partitions shall be indicated in accordance with theconventions illustrated in Fig. 4.12, as appropriate.

Fig. 4.12. FOLDING DOORS AND PARTITIONS

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AS 1100.301—1985 16

Fig. 4.12. (continued )

4.3 MISCELLANEOUS CONVENTIONS.4.3.1 Indication of rise. On stairs, ramps andescalators, an arrow shall indicate the direction of riseand the top of the flight. No further labelling of thearrow should be necessary. This convention is followedin Figs 4.13, 4.14 and 4.15.4.3.2 Ramps. Ramps shall be indicated in accordancewith the convention illustrated in Fig. 4.13. The arrowshall comply with Clause 4.3.1.

Fig. 4.13. RAMP

4.3.3 Stairs. Stairs shall be indicated in accordancewith the convention illustrated in Fig. 4.14. The actualnumber of risers from floor to floor should be shown,except where a break-line crosses the flight. The arrowshall comply with Clause 4.3.1.

NOTE: This figure shows one full fl ight of stairs, and parts ofthe flights above and below it .

Fig. 4.14. STAIRS

4.3.4 Escalators. Escalators shall be indicated inaccordance with the convention illustrated in Fig. 4.15.The arrow shall comply with Clause 4.3.1.

Fig. 4.15. ESCALATOR

4.3.5 Lifts. Lifts shall be indicated in accordance withthe convention illustrated in Fig. 4.16.

Fig. 4.16. LIFT

4.3.6 Indication of fall. Where an arrow is used toindicate direction of fall, the arrow shall be clearlylabelled with the word ‘FALL’ to avoid confusion withthe convention described in Clause 4.3.1 (seeFig. 4.17).4.3.7 Surface slope. Surface slope is usually used toindicate floor conditions but can also apply to roofs orother sloping surfaces in plan. Arrows are sometimesrequired to indicate direction of slope and shall be usedin accordance with Clauses 4.3.1 and 4.3.6 (seeFig. 4.17).

Fig. 4.17.FLOOR SLOPE SHOWN WITH FLOOR DRAIN

4.3.8 Outline above plane of section. To indicate anoutline above the plane of section, either of thefollowing may be used (see Figs 4.18, 4.19(b), 4.20(b)and (c) and 4.2.1(d).):(a) A thin dashed line, labelled ‘OVER’ to avoid

confusion with outlines below the plane of sectionhidden by intervening objects; or

(b) A thin chain line, designating letter G, inaccordance with AS 1100 Part 101.

4.3.9 Archways. Archways shall be indicated inaccordance with either of the conventions illustrated inFig. 4.18.

Fig. 4.18. ARCHWAY

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4.3.10 Openings through walls or partitions.Openings through walls or partitions shall be indicatedin accordance with the conventions illustrated inFig. 4.19, as appropriate.

Fig. 4.19.OPENINGS THROUGH WALLS OR PARTITIONS

4.3.11 Openings in plan. All openings in plan shallbe identified. (For examples, see Fig. 4.20.)

Fig. 4.20. EXAMPLES OF OPENINGS IN PLAN

4.3.12 Furniture and fittings. Furniture and fittingshall be indicated in accordance with the conventionsillustrated in Fig. 4.21, as appropriate.

Fig. 4.21. FURNITURE AND FITTINGS

4.3.13 Piping, ducting and mechanical services.For graphical symbols for piping, ducting andmechanical services in buildings, see AS 1101, Part 5.4.3.14 Power supply systems, security systemsand electrical services. For location symbols forpower supply systems, security systems and electricalservices, see AS 1102, Part 8.

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AS 1100.301—1985 18

SECTION 5. REPRESENTATION OF MATERIALS

5.1 HATCHING. Hatching or symbolic representationof material as shown herein may not always benecessary and at smaller scales may be impossible.Hatching is time-consuming and need only be usedwhere confusion could otherwise exist.When hatching is used, it shall be in accordance withTable 5.1.

Where new work and existing work are shown side byside on a drawing, the new work shall be clearlyidentified. The existing work may be either shaded ordrawn with thin lines, as appropriate.5.2 COLOURING. When colouring is used to assist inthe identification of materials, it should be inaccordance with Table 5.1.

TABLE 5.1REPRESENTATION OF MATERIALS

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TABLE 5.1 (continued)

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AS 1100.301—1985 20

TABLE 5.1 (continued)

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21 AS 1100.301—1985

APPENDIX A

CONVENTIONS FOR CROSS-REFERENCING OF DRAWINGS

The following conventions for cross-referencing are recommended:

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AS 1100.301—1985 22

APPENDIX B

DIMENSIONING BY COORDINATES AND USE OF GRIDS

B1 DIMENSIONING BY COORDINATES. Dimensioning by coordinates can be usedwhere a building or structure is so set out that the faces or centrelines of its elementscoincide with, or can be related to, the intersection points and lines of a regularly spacedthree-dimensional grid. The elements can be located and dimensioned in relation to apoint of origin by a system of Cartesian coordinates. Care should be taken that the originis external to the space occupied by the site or structure and can be physicallyestablished. Only points on the positive sides of the x, y and z axes should be used.In this system, the coordinates of a point on plan view shall be indicated by the relevantfigures (in x, y sequence) enclosed in brackets and placed at the right hand side of thepoint to which they refer. The height of a point on elevational views, i.e. on the z axis,should be shown by means of a horizontal grid line, terminating with a circle and the gridreference height above the point of origin prefixed by the letter ‘z’.B2 USE OF GRIDS.B2.1 General. A network of lines or planes may be used for reference on a drawing oron a site. Its use may be for sheet reference only or for actual setting-out of the work onthe site.Grids usually consist of straight lines at set distances apart. They can vary from linear tothree-dimensional reference.B2.2 Types of grid.B2.2.1 Types. The types of grid are as follows:(a) Sheet reference grid.(b) Planning grid.(c) Structural grid.(d) Reference grid.(e) Modular grid.B2.2.2 Sheet reference grid. See AS 1100, Part 101, Clause 2.4.4.B2.2.3 Planning grid. The use of a grid for layout and planning is often an advantage,especially where prefabricated sections form a repeated module. Such a grid is termeda planning grid.B2.2.4 Structural grid. A grid used for locating structures is termed a structural grid.Planning and structural grids should be related to preferred dimensions where possible.They need not necessarily be to the same module, or even be increments of each otherin a simple mathematical relationship.The grid should be drawn on the most stable paper or plastics sheet available so thatwhen it is used as an underlay successive floor plans or levels can be accurately drawn.Generally, grid lines pass through column centres both ways except where the column,duct or lift shaft face is critical in which case the grid line may coincide with that face. Thegrid plan is usually determined at the lowest level and any changes in column locationsat upper levels are shown on it. The grid plan dimensions become the basis for all otherwork on the drawing.The grid is repeated on all subsequent drawings (with any necessary adjustment of scale)and forms the base to which all plan dimensions are related.B2.2.5 Reference grid. A grid intended for reference only may be to any selecteddimension and the lines need not necessarily be equally spaced. They can be regular ortartan pattern, to suit the function required.B2.2.6 Modular grid. Where a method of building using a module is adopted, atwo-dimensional or three-dimensional grid based on the module may be used to combinethe functions of planning, structural and reference grids.When the basic module of 100 mm is adopted, a grid showing each module isrecommended for assembly drawings and a grid showing multi-modules of 300 mm or600 mm for general location drawings.B2.3 Grid notation. Different methods of grid notation have existed in the past.The method used should be consistent throughout a project. Either of the followingmethods is recommended:(a) When completely defining the location of points by their distance from the origin in

three dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x, y, z coordinates.(b) When using a two-dimensional structural grid (see AS 1100, Part 501) . . . . . . letters

for lines running down the sheet and numbers for lines running across the sheet.

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