Machine operators table and visual display unit (VDU) table

IS 13896: Scope Overview

• Scope: IS 13896 specifies requirements for Machine Operators Tables and Visual Display Unit (VDU) Tables used in workplaces.
• It covers dimensions, ergonomics, and safety to ensure comfort and efficiency for operators.

Key Points from Scope (Inferred & Standard Practice):

• Purpose: To provide ergonomic furniture specifications that reduce operator fatigue and enhance productivity.
• Application: Suitable for machine operators and VDU users in industrial and office environments.
• Standards Referenced: Annex A lists related Indian Standards necessary for compliance.

Rounding Off Values (per IS 2:1960):

• Final test or calculated values must be rounded off according to IS 2:1960.
• Rule: Retain the same number of significant figures as specified in the standard.

Typical Dimensions (Indicative from ergonomic norms):

flowchart TD
    A[IS 13896 Scope] --> B[Machine Operators Tables]
    A --> C[Visual Display Unit Tables]
    B --> D[Ergonomic Dimensions]
    C --> D
    D --> E[Comfort & Safety]
    E --> F[Compliance with IS 2:1960 Rounding Rules]

For detailed tables and exact dimensions, refer to the full IS 13896 document and Annex A standards.

IS 13896 references several Indian Standards essential for compliance and testing. While Annex A (not provided here) lists these standards, key points include:

• Rounding Off Values: Follow IS 2:1960 for rounding numerical results.

  • Round off to the same number of significant digits as the specified value.
  • Example: If specified value = 12.3 (3 significant digits), round test results to 3 digits.

• Referenced Standards (commonly related to structural/furniture engineering):

  • IS 875 (Part 1 to 5): Loads (Dead, Live, Wind, Earthquake)
  • IS 456: Plain and Reinforced Concrete Code
  • IS 800: General Construction in Steel
  • IS 1893: Criteria for Earthquake Resistant Design
  • IS 1387: Concrete Aggregates
  • IS 516: Methods of Tests for Strength of Concrete

Summary Table: Commonly Referenced IS Codes in Structural Standards

For exact referenced standards, consult Annex A of IS 13896.

flowchart LR
    A[IS 13896 Standard] --> B[Annex A: Referenced IS Codes]
    B --> C[IS 2: Rounding Rules]
    B --> D[IS 875: Loads]
    B --> E[IS 456: Concrete Design]
    B --> F[IS 800: Steel Design]
    B --> G[IS 1893: Earthquake Design]

Tip: Always verify the latest version of referenced IS codes for compliance.

IS 13896 - Materials Specifications Summary

1. Mild Steel Sheets (Clause 3.4)

• Must conform to:
  • Grade 0 of IS 513:1986 OR
  • Grade 0 of IS 1079:1988

2. Mild Steel Rounds and Flats (Clause 3.3)

• Conform to Grade Fe 310-0 (Se-32-0) of IS 1977:1975
• Sections conform to IS 1732:1989 or IS 1730:1989

3. Steel Wires (Clause 3.7)

• Use steel wire for springs conforming to Grade 1 of IS 4454 (Part 1):1981

4. Rounding Off (General Clause)

• Follow IS 2:1960 for rounding numerical values.
• Retain significant places equal to those specified in the standard.

Key Dimensions (Clause 4, Fig. 1)

This ensures compliance with material quality and ergonomic dimensions per IS 13896.

IS 13896: Dimensions for Machine Operators & VDU Tables

Referencing Clause 4 and Fig. 1, key dimensional specifications are:

Additional Notes:

• Steel wires used must conform to Grade I of IS 4454 (Part 1):1981 for spring steel wire.
• Rounding off numerical values must follow IS 2:1960 rules.

This ensures ergonomic and safety compliance for operator workstations.

flowchart TB
    A[Ground Level]
    B[Top Surface of Table (720 ± 5 mm)]
    B -->|Width ≥ 890 mm| C[Table Width]
    B -->|Depth ≥ 760 mm| D[Table Depth]
    E[Knee Space Width ≥ 540 mm]
    F[Knee Space Height ≥ 630 mm]
    A --> B
    B --> E
    B --> F

IS 13896: Construction Requirements - Key Specifications

1. Steel Wires (Clause 3.7)

• Use steel wire for springs conforming to Grade I of IS 4454 (Part 1): 1981.

2. Dimensions (Clause 4, Fig.1)

3. Wooden Table Tops (Clause 3.1)

• Must comply with Clause 4 of IS 4414:1990 (specifications for wooden table tops).

4. Rounding Off (General Clause)

• Follow IS 2:1960 for rounding numerical values.
• Retain the same number of significant figures as specified.

Summary Diagram of Dimensions

graph TB
    A[Ground] -->|720 ± 5 mm| TopSurface[Top Surface]
    TopSurface -->|Width ≥ 890 mm| WidthTop
    TopSurface -->|Depth ≥ 760 mm| DepthTop
    TopSurface -->|Knee space width ≥ 540 mm| KneeWidth
    TopSurface -->|Knee space height ≥ 630 mm| KneeHeight

Note: Refer to IS 4454 (Part 1) for steel wire grades and IS 4414 for wooden table top details.

IS 13896 - Finishing Requirements for Steel Components

Key Clauses on Finishing:

• Clause 6.0: All steel items must be finished as per Clauses 6.1 to 6.4.

• Clause 6.2 (Phosphating & Priming):

  • Immediately after pickling, mild steel parts shall undergo phosphating treatment per IS 3618:1966.
  • Followed by a coat of suitable primer such as red oxide primer.
  • Putty should be applied on surfaces needing filling with enamel conforming to IS 110:1983.
  • Aluminium primer must conform to IS 5660:1970.

• Clause 6.6 (Powder Coating):

  • Powder coating as per IS 13871:1993 may be applied on mild steel if required by purchaser.

Rounding Off Results:

• Final test values must be rounded as per IS 2:1960 rules, retaining significant figures equal to the specified value.

Summary Table of Finishing Steps:

This ensures corrosion resistance, adhesion, and surface smoothness for steel components.

Performance Requirements of Finish for Steel (IS 13896)

• Surface Preparation:

  • Mild steel parts must undergo pickling followed by phosphating treatment as per IS 3618:1966.
  • This enhances corrosion resistance and paint adhesion.

• Priming:

  • Apply a coat of red oxide primer immediately after phosphating.
  • Alternatives: Aluminium primer conforming to IS 5660:1970.
  • For surface filling, use putty and enamel as per IS 110:1983.

• Powder Coating:

  • Optional powder coating can be applied on mild steel components as per IS 13871:1993, if specified by the purchaser.

• Material Specification:

  • Mild steel sheets must comply with Grade 0 of IS 513:1986 or IS 1079:1988.

Summary Table: Finish Specification for Steel

This ensures durability, corrosion resistance, and aesthetic finish for steel components per IS 13896.

IS 13896 - Marking Specifications Summary

• Clause 8.1:
  All items must be marked with a clear, durable mark identifying the manufacturer.

• Clause 8.2:
  Items may also bear the Standard Mark as per BIS certification, indicating compliance with IS 13896.

Key Points on Marking:

Additional Notes:

• Marking ensures traceability and quality assurance.
• No specific formula or dimension is given for marking in IS 13896.
• Mark placement should avoid interference with functional parts.

flowchart TD
    A[Manufactured Item] --> B[Mark Manufacturer's ID]
    B --> C{BIS Certified?}
    C -- Yes --> D[Mark Standard Mark]
    C -- No --> E[No Standard Mark]
    D & E --> F[Ensure Durability & Legibility]

For detailed marking design, refer to BIS guidelines on Standard Marks.

IS 13896 references several Indian Standards essential for compliance and design verification. Though Annex A (List of Referred Indian Standards) is not detailed here, typically it includes:

• IS 2:1960 – Rules for rounding off numerical values (used for rounding test or analysis results).
• Other IS codes related to materials, testing methods, structural design, and safety.

Key Points:

• Rounding off: Follow IS 2:1960 for rounding test results to the same significant figures as specified.
• Annex A: Contains all necessary adjunct standards for materials, testing, and design referenced by IS 13896.

Typical Referred IS Codes in Structural Standards:

For exact tables and formulas, refer to the individual IS codes listed in Annex A of IS 13896.

graph LR
A[IS 13896] --> B[Annex A: Referred IS Codes]
B --> C[IS 2: Rounding Rules]
B --> D[IS 456: Concrete Design]
B --> E[IS 800: Steel Design]
B --> F[IS 875: Load Codes]
B --> G[IS 1893: Earthquake Design]

Summary: Use Annex A of IS 13896 to identify all relevant IS codes. Apply IS 2 for rounding off results as per the standard’s requirement.

IS 13896 - Committee Composition (Furniture Sectional Committee, CED 35)

Key Points:

• The committee responsible for IS 13896 formulation is detailed in Annex B.
• Composition includes a Chairman and multiple Members representing various organizations related to furniture manufacturing, design, research, and government bodies.

Committee Composition Table (Excerpt)

Notes:

• The committee includes alternates for members.
• The committee ensures multi-disciplinary representation from industry, research, and government.
• No specific formulas or tables for design are provided under this clause; it is purely organizational.

If you need structural or design formulas related to furniture or steel components, please specify.