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Decimal Sheet Numbering for Structural Drawings

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Revision as of 00:08, 24 March 2006; view current revision
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Contents

Concept

The core concept of this system is to break the drawing sheets into more manageable chunks by isolating building elements into groups.

The Divisions


Division Description Remarks
S1 Structural Coversheets General Notes, Drawing Schedule
S2 Plans All types of plans: slab, roof framing, reinforcing, stressing plans etc. also include member schedules on plan
S3 Building Elevations Overall elevations, Concrete/Masonry Elevations, Precast Elevations
S4 Building Sections Overall building sections showing several elements
S5 Foundation Details All details to do with foundations
S6 Retaining Wall Details Retaining walls of any type of material
S7 Slab Details Slab of grade details, floor slab details
S8 Concrete Column Schedules Schedules, Elevations, Detailed Sections of concrete columns
S9 Concrete Beam Schedules Schedules, Elevations, Detailed Sections of concrete beams
S10 Lifts, Stairs, Vertical Circulation Elevations, Schedules , Details of any element rising through floor levels
S11 Steel Details  
S12 Masonry Details  
S13 Precast Details  
S14 Timber Details  
S15 External Works  

Double Decimals

Where multiple plans of the same level are required a double decimal system may be used.

Example:

S2.1 Level 1 Slab Plan
S2.1.1 Level 1 Reinforcement Layout
S2.1.2 Level 1 Prestress Layout
S2.2 Level 2 Slab Plan
S2.2.1 Level 2 Reinforcement Layout

Example Set:

S1.1 General Notes
S2.1 Level 1 floor plan
S2.1.1 Level 1 bottom reo plan
S2.2 Level 2 floor plan
S2.3 Roof plan
S5.1 Foundation details
S7.1 Slab Details
S11.1 Steel Details

Notes

  1. Small Projects: Plans and details can occupy the same sheet on smaller jobs. In this case use the lowest applicable division for the sheet number. Eg S2.1 = Level 1 slab plan and details
  2. Client Document Numbers: Some times clients what there own document numbers on the drawings. A recommendation for these projects to show thier number in one box titled "document number" and our number in a seperate box nextdoor titled "sheet number".
  3. A decimal separator is used because it commonly means a "division of a whole".

Benefits from a Drafting point of view

  1. Cross referencing errors are reduced due to the relative ease of adding new sheets.
  2. Changes in design are easier to handle due to easier insertion of additional sheets
  3. Drawing sets are more logical as they follow a set menu.

Benefits from a Directors point of view

  1. Cross referencing has always been a major issue when drawing numbers change. This occurs more frequently then it should. Often the problem stems from not allow enough sheets for expansion of the documentation set especially when plans have been sequential numbered. With the decimal sheet numbering system this event is reduced to next to zero. That means less rework of drawings and ultimately a big cost saving for the company.

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