composite office tables
1993 Edition

Overview of IS 8126 Scope

Classification (Clause 4.1)

• Composite office tables are categorized as:
  • Type A: Featuring a single storage unit
  • Type B: Featuring double storage units

Dimensions and Allowable Deviations (Clause 5.1)

• Table tops must adhere to these dimensions.
• Thickness is consistently set at 20 mm.

Additional Information

• For related Indian Standards, see Annex A.
• This standard promotes ergonomic design and manufacturing uniformity.

flowchart TD
    A[Composite Office Tables] --> B[Single Storage Unit]
    A --> C[Double Storage Units]
    B & C --> D[Table Tops]
    D --> E[Dimension Specifications]
    E --> F[Length Range: 1200-1800 mm]
    E --> G[Width Range: 600-900 mm]
    E --> H[Thickness: 20 mm]

This section summarizes the fundamental scope and dimension criteria as per IS 8126.

IS 8126:1993 Cross-Referenced Standards

Notable References (Annex A)

• IS 2:1960 – Guidelines for rounding numerical values.
• Standards covering wood-based panels: particle boards, plywood, hardboards, MDF.
• Standards dealing with steel component finishes and performance.
• Additional Indian Standards relevant to dimensions, materials, and test methods.

Material and Quality Specifications

• Composite tables employ metal frames combined with wood-based panel tops.
• Material tolerances and quality adhere to referenced IS codes ensuring consistency.
• Steel finishes must meet durability and performance criteria.

Numerical Rounding (IS 2:1960)

• Test outcomes are rounded to match the significant digits specified in the standard.

Reference Table for Key Indian Standards

flowchart TD
    A[IS 8126: Composite Office Tables] --> B[Wood-based Panels]
    A --> C[Steel Components]
    B --> D[Particle Boards (IS 3087)]
    B --> E[Plywood (IS 303)]
    B --> F[Hardboards (IS 101)]
    C --> G[Steel Finishes (IS 13601)]
    A --> H[Rounding Rules (IS 2)]

This ensures composite tables meet the required standards for quality, durability, and production uniformity.

Material Specifications as per IS 8126

• Wooden Table Tops (Clause 3.8)

  • Must comply with IS 4414:1990 for wooden table tops.
  • Acceptable materials include particle boards, veneered particle boards, hardboards, MDF, and plywood with uniform quality and close tolerances.

• Steel Components (Clause 8.1)

  • Steel parts are required to meet specified performance and finishing standards, including defined steel grades and surface treatments.

• Aluminium Sheets (Clause 3.1)

  • Aluminium sheets must conform to alloys 31000, 52000, 31500, or 40800 in H2 temper as per IS 737:1986.

Material Standards Summary

Note on Rounding (IS 2:1960)

• Test and calculated values must be rounded according to specified significant digits.

flowchart LR
    A[Materials for Composite Tables] --> B[Wooden Table Tops]
    A --> C[Steel Components]
    A --> D[Aluminium Sheets]

    B --> E[IS 4414:1990]
    C --> F[Steel grade & finish per IS 8126]
    D --> G[IS 737:1986 Alloys (H2 Temper)]

This section provides a concise overview to ensure materials comply with IS 8126 standards.

Types and Components per IS 8126

Table Types (Clause 4.1)

• Single Storage Unit: One storage compartment (drawer or cabinet) located on one side.
• Double Storage Unit: Storage compartments on both sides.

Dimensions and Parts (Clauses 6.2 - 6.17)

• Tables are built from standardized components such as legs, tabletop, and storage units.
• Table tops conform to IS 4414:1990, with sizes outlined in Table 1.

Sample Table Top Dimensions (Table 1)

Additional Details

• Storage unit sizes vary but must allow sufficient leg clearance under the table.
• Dimension tolerances ensure component interchangeability.
• Materials and finishes must comply with durability and aesthetic standards per IS 8126.

flowchart LR
    A[Composite Office Table] --> B[Single Storage Unit]
    A --> C[Double Storage Unit]
    B --> D[Table Top (IS 4414)]
    C --> D
    D --> E[Standardized Components]
    E --> F[Legs]
    E --> G[Storage Units]

For construction and finishing details, see Clauses 6.2 to 6.17.

Dimensions and Tolerances in IS 8126

1. Table Top Dimensions (Clause 5.1, Table 1)

• Thickness remains constant at 20 mm for all sizes.

2. Allowed Tolerances (Clause 5.3)

• Length and width: ±6 mm
• Thickness: ±5% (±1 mm)

3. Storage Unit Compatibility (Clause 6.4.1)

• Single storage unit tables use size i) (1200 × 600 mm) tabletops.
• Double storage unit tables use sizes ii), iii), or iv).

Quick Summary

graph TD
    A[Composite Office Table] --> B[Table Top]
    B --> C{Table Size}
    C -->|Single Storage| D[1200 x 600 x 20 mm]
    C -->|Double Storage| E[1350/1500/1800 x 750/900 x 20 mm]
    A --> F[Storage Units]
    F --> G[Single Storage Unit]
    F --> H[Double Storage Unit]

This section ensures standardized sizing and interchangeability.

Fabrication and Components Overview (IS 8126)

1. Steel Parts (Clause 8.1)

• Must meet specified dimensional and tolerance requirements.
• Fabrication must provide sufficient strength and stability.

2. Wooden Tabletops (Clause 3.8 & Table 1)

• Comply with IS 4414:1990 for wood quality and finish.
• Typical dimensions:

3. Composite Table Types (Clauses 4.1 & 6.2-6.17)

• Two main types:
  • Single storage unit
  • Double storage unit
• Assembly follows modular component guidelines.

4. Dimensions and Tolerances (Clause 5)

• Dimensional tolerances typically ±2 mm.
• Alignment and fit tolerances ensure proper assembly.

Assembly Diagram

graph LR
A[Wooden Table Top] --> B[Steel Frame]
B --> C[Storage Unit (Single/Double)]
C --> D[Leg Supports]

References:

• IS 4414:1990 for wooden tops
• IS 8126 clauses 3.8, 4.1, 6.2-6.17, 8.1, 5

This ensures durable, standardized office furniture with modular construction.

Assembly Methods in IS 8126

Approved Techniques (Clause 7.1)

• Screwing
• Bolting
• Welding

These methods ensure structural soundness and facilitate easy disassembly or repairs.

Steel Component Assembly (Clause 8.1)

• Steel parts must comply with dimensional tolerances.
• Commonly assembled by welding and bolting.

Composite Table Assembly (Clauses 6.2 & 4.1)

• Constructed from components outlined in Clauses 6.2 to 6.17.
• Two types: single and double storage units.

Table Top Requirements (Clause 6.2)

• Sizes as per Table 1
• Must comply with IS 4414:1990 for wooden tops.

Assembly Summary Table

Assembly Flowchart

graph LR
A[Components] --> B[Screwing]
A --> C[Bolting]
A --> D[Welding]
B --> E[Wooden Elements]
C --> F[Steel and Wood]
D --> G[Steel Components]

Refer Clause 5 and Table 1 for dimensional details.

Finishing Standards for Composite Office Tables

Aluminium Parts (Clause 8.3)

• Anodizing may be applied per purchaser's request.
• Must meet Grade AC 25 as described in IS 1868:1968.

Steel Parts (Clause 8.1)

• Surface preparation includes removal of dents, burrs, and sharp edges.
• Cleaning via pickling, scrubbing, and rinsing to eliminate grease, rust, and scale.
• Phosphating treatment applied as per IS 3618:1966.
• Primer coats such as red oxide or zinc chromate must be applied.
• Putty filling using products conforming to IS 110:1983 for surface imperfections.
• Aluminium primers must comply with IS 5660:1970.

Wooden Tabletops (Clause 3.8)

• Must comply with IS 4414:1990 for material quality and finish.

Finishing Reference Table

This ensures corrosion resistance, durability, and aesthetic quality.

Performance and Testing Requirements (IS 8126)

Finishing Performance

• Aluminium Components (Clause 8.3):

  • Anodizing optional as per buyer.
  • Must meet Grade AC 25 per IS 1868:1968.

• Steel Components (Clause 9):

  • Finishes must comply with required performance standards.
  • Impact resistance tested according to IS 101 (Part 5/Sec 3):1988.

Testing Methods

• Impact Resistance (Clause 9.3):
  • Conducted per IS 101 (Part 5/Sec 3):1988 to assess finish durability.

Additional Notes

• Refer to Annex A for all referenced standards.
• Numerical results rounded as per IS 2:1960.
• Standards ensure uniformity in materials and finishes.

Testing Summary Table

flowchart TD
    A[Select Component] --> B{Aluminium?}
    B -- Yes --> C[Apply Anodizing per IS 1868]
    B -- No --> D{Steel?}
    D -- Yes --> E[Apply Steel Finish]
    E --> F[Conduct Impact Resistance Test per IS 101]
    D -- No --> G[Consult Annex A for other materials]
    C --> H[Finish Approved]
    F --> H
    G --> H

This section guides testing and quality verification.

Marking and Traceability Requirements (IS 8126:1993)

• Marking Obligations:

  • All metal tables and keys must carry the manufacturer's identification mark.
  • Keys must have an identification number.
  • Locks must bear the same identification number as their corresponding keys.

• Composite Tables:

  • May optionally display the Standard Mark indicating IS 8126 compliance.

• Wooden Tops:

  • Must comply with IS 4414:1990 material specifications.

Marking Summary Table

This ensures product traceability and quality assurance.

flowchart LR
    A[Metal Table] --> B[Manufacturer’s Mark]
    C[Key] --> D[Manufacturer’s Mark + ID Number]
    E[Lock] --> F[Matching ID Number]
    G[Composite Table] --> H[Optional Standard Mark]

Ordering Specifications in IS 8126

Essential Order Details (Clause 11.1)

• Specify the type and size of the tabletop (refer Table 1).
• Indicate the type and quantity of storage units (single/double).
• Specify the tubular pedestal type.
• State the desired finish color.
• Mention any alternative construction or finishing methods.

Storage Units and Table Size Correlation (Clause 6.4.1)

• Single storage unit tables use the first size listed in Table 1.
• Double storage unit tables correspond to the second, third, or fourth sizes.

Packing Instructions (Clause 10.1)

• Components must be packed securely to prevent damage during transport.

Table 1: Typical Table Top Sizes

Note: Confirm exact dimensions from IS 8126 Table 1.

Common Storage Unit Types (Fig.1)

• 1A: Three-drawer unit
• 1C: Drawer and filing unit

flowchart TD
    A[Purchaser Order] --> B[Specify Table Top Type & Size]
    A --> C[Specify Storage Unit Type & Quantity]
    A --> D[Specify Tubular Pedestal Type]
    A --> E[Specify Finish Color]
    A --> F[Specify Alternative Methods]
    B --> G[Refer Table 1 for Sizes]
    C --> H[Refer Fig.1 for Storage Units]
    G --> I[Single Storage Unit → Size 1]
    G --> J[Double Storage Units → Sizes 2,3,4]

This ensures precise communication for manufacturing as per IS 8126.

Certification and Marking Provisions in IS 8126

• Clause 12.1:

  • Metal tables and keys must display a manufacturer's identification mark.
  • Keys must have an identification number matching the locks.

• Clause 12.1.1:

  • Composite office tables may bear the Standard Mark indicating IS 8126 compliance.

• Purpose:

  • Facilitates product traceability and quality verification.
  • Confirms conformity with standard specifications.

• Rounding Off:

  • Test data and measurements must follow IS 2:1960 rounding rules.

Marking Summary Table

This marking system guarantees quality assurance and compliance with IS 8126.