dining tables

IS 5923 Scope Summary & Key Specifications

• Scope: Covers requirements for clothes lockers, including types, construction, finish, and ordering details.
• Purchaser's Information (Appendix A, Clause 1.1):
  • Type of locker
  • Handles or knobs
  • Finish: Painted (specify color), French polished (stained/natural), Waxed (stained/natural)
  • Alternative construction/finish methods (if any)
  • Door handing (default: right opening)

International System of Units (SI Units) used in IS 5923

Ordering Information Flow (Mermaid Diagram)

flowchart TD
    A[Purchaser] --> B[Specify locker type]
    A --> C[Specify handle/knob]
    A --> D[Specify finish type & color]
    A --> E[Specify alternative methods]
    A --> F[Specify door handing]
    B & C & D & E & F --> G[Supplier receives complete order info]

Note: The standard aligns with international practices and emphasizes clear purchaser-supplier communication for locker specifications.

IS 5923: Terms and Definitions - Key Points

Clause 2.0 defines terms used in the standard for wooden clothes' lockers.

Key Specifications:

• Types of Lockers (Clause 3.1):

  • 6-locker type
  • 8-locker type
  • 12-locker type
  • 18-locker type

• Finishes (Clause 1.1):

  • Painted (specify colour)
  • French polished (stained or natural)
  • Waxed (stained or natural)

• Door Opening:

  • Doors generally open right; specify if otherwise.

SI Units Used (As per IS 5923):

Summary Table for Locker Types (Dimensions in mm):

graph TD
    A[Order Specifications] --> B[Type of Locker]
    A --> C[Finish Type]
    A --> D[Handle/Knob]
    A --> E[Door Opening Side]
    B --> F[6, 8, 12, 18 compartments]
    C --> G[Painted / French Polished / Waxed]

Note: Purchaser must specify all details clearly at order placement as per Clause 1.1 and

IS 5923: Wooden Clothes' Lockers - Key Specifications

Types of Wooden Clothes' Lockers (Clause 3.1)

• 6-locker type
• 8-locker type
• 12-locker type
• 18-locker type

Each type differs by the number of compartments, with Fig. 1 showing compartment divisions.

Overall Dimensions (Clause 5.1)

Minimum clearances for recesses/openings:

Door Specifications (Clause 6.1.4)

• Thickness: 20 mm ±1 mm
• Materials: plywood, blockboards, particle boards, veneered particle boards
• Fixing Methods:
  • a) Recessed door with hinges inside sides (Fig. 2)
  • b) Full front door with hinges on front edges (Fig. 3)
• Pivot hinges allowed for middle vertical doors in 6, 12, and 18-locker types.

Summary Diagram of Door Fixing Methods

graph LR
A[Locker Side Panel] --> B[Recessed Door]
A --> C[Full Front Door]
B --> D[Hinges inside sides]
C --> E[Hinges on front edges]

For detailed joint and fixture designs, refer to Figs. 4 to 9 of IS 5923.

IS 5923: Materials - Key Specifications & References

• Material Types for Lockers:

  • Door shutters: typically 20 mm thick
  • Ply backing: 10 mm thick (Fig. 10 & 11)

• Hinges:

  • Non-ferrous metal butt hinges: IS 205-1978 (3rd revision)
  • Steel butt hinges: IS 1341-1981 (4th revision)
  • Continuous (piano) hinges: IS 3818-1971 (1st revision)

• Putty for Window Frames:

  • IS specification available (1st revision) for putty use on window frames.

• Purchaser's Technical Information (Appendix A):

  • Type of locker, handle/knob preference
  • Finish: Painted (color), French polished, Waxed (stained/natural)
  • Door opening direction (default right)
  • Alternative construction/finish methods if any

• Units (SI) used:

  • Length: metre (m)
  • Mass: kilogram (kg)
  • Force: newton (N = kg·m/s²)
  • Pressure/stress: pascal (Pa = N/m²)

Summary Table: Hinges IS Codes

This ensures material quality and conformity for lockers per IS 5923. For detailed design, refer to thicknesses and finishes specified, and use SI units for all measurements.

IS 5923 - Clothes' Lockers: Key Dimensions & Tolerances

1. Overall Dimensions (Clause 5.1)

2. Tolerances (Clause 5.2)

• Overall dimensions shall not vary by more than ±5 mm.

3. Minimum Clearances for Recess/Openings (Note in 5.1)

Summary:

• Height: 1980 mm ±5 mm
• Width: 910 mm ±5 mm
• Depth: 480 mm ±5 mm
• Provide at least 20 mm clearance on top, 10 mm on each side, and 5 mm in depth for recess fitting.

Visual Concept (Locker Dimensions & Clearances):

graph LR
    A[Locker Height: 1980 mm ±5 mm]
    B[Locker Width: 910 mm ±5 mm]
    C[Locker Depth: 480 mm ±5 mm]
    D[Clearance Top: 20 mm]
    E[Clearance Sides: 10 mm each]
    F[Clearance Depth: 5 mm]
    A --> D
    B --> E
    C --> F

This ensures proper fit and installation as per IS 5923.

IS 5923: Components and Construction - Key Points

1. Typical Construction (Clause 7.1.1)

• Door shutter thickness: 20 mm
• Plywood thickness: 10 mm
• Figures 10 & 11 illustrate typical locker construction and assembly (cross & longitudinal sections).

2. Specifications (Clause 8.1)

• Non-ferrous metal butt hinges (3rd revision)
• Steel butt hinges (4th revision)
• Continuous (piano) hinges (1st revision)
• Putty for window frames (1st revision)

3. Purchaser's Information (Clause 1.1 / Appendix A)

• Type of locker
• Handles or knobs required
• Finish type: Painted, French polished, or Waxed (specify color/stain)
• Alternative construction/finish methods if any
• Door opening direction (default right, specify if otherwise)

4. Units and Symbols (SI Units)

Summary Diagram: Locker Door Assembly

graph LR
A[Locker Frame] --> B[10 mm Ply Panel]
B --> C[20 mm Door Shutter]
C --> D[Hinges (Steel/Non-ferrous)]
D --> E[Handles/Knobs]

Note: For detailed dimensions and material specs, refer to Figures 10 & 11 in IS 5923. Finish and hardware must comply with respective IS specifications.

IS 5923: Performance Requirements Summary

1. General Requirements (Clause 10.1 & 10.1.1)

• The product must meet quality and performance criteria as per IS 5923.
• Compliance is mandatory for certification and ECO Mark eligibility.

2. Specific Requirements (Clause 10.2)

• Products must satisfy ECO Mark criteria defined within the standard.
• Manufacturers must provide certificates or declarations to BIS for ECO Mark application.

3. Technical Information (Clause 8.4.1 & Appendix A)

• Purchasers must supply technical data when ordering (e.g., dimensions, material specs).
• This ensures conformity with performance and quality standards.

Key Notes:

• The standard aligns with international practices while catering to Indian conditions.
• No explicit formulas or tables are provided in these clauses; refer to Appendix A for technical data requirements.

Typical Performance Parameters to check (based on IS 5923 context):

flowchart TD
    A[Order Placement] --> B[Provide Technical Info (Clause 8.4.1)]
    B --> C[Manufacture Product]
    C --> D[Quality & Performance Check (Clause 10.1)]
    D --> E[Certificate/Declaration for ECO Mark (Clause 10.2)]
    E --> F[Product Certification by BIS]

For detailed formulas or tables, refer to specific sections or appendices of IS 5923.

IS 5923 - Finishing: Key Specifications & Tests

1. Finishing Process (Clause 8.4.1)

• Staining is applied after filler base preparation.
• Wait 24 hours after staining before applying finishing coats.

2. Finish Quality (Clause 8.2)

• Finish must be:
  • Smooth and uniform
  • Free from visible defects
  • Well based, not chipping or flaking
• Dry film thickness ≥ 0.10 mm

3. Performance Requirements (Clause 9.4.1)

• Mechanical damage resistance tested per IS 5807 (Part 6)-1978:
  • Impact test
  • Cross-cut test
  • Scrape test
• Finish rating must meet Section 5.3 of IS 5807 (Part 6).

4. Related Tests for Clear Finishes

• Resistance to:
  • Wet heat (Part 2)
  • Marking by liquids (Part 4)
  • Mechanical damage (Part 6)

Summary Table: Finish Requirements

flowchart LR
    A[Filler Base Ready] --> B[Apply Stain]
    B -->|Wait 24 hours| C[Apply Finishing Coats]
    C --> D[Finish: Smooth & Uniform]
    D --> E[Mechanical Resistance Tests]
    E --> F[Conforms to IS 5807 (Part 6)]

This ensures durable, high-quality finishing in wooden furniture per IS 5923 standards.

IS 5923 - Testing Key Points

• Clause 8.4.1 & Appendix A: Purchaser must provide detailed technical info when ordering (locker type, handle/knob, finish, door opening side).

• Clause 9.3:

  • Resistance to marking by liquids is tested per IS 5807 (Part 4)-1975.
  • Minimum qualifying average rating must conform to 8 as per IS 5807.

Testing Summary for Surface Finish Resistance

Important Notes:

• Testing ensures durability of finishes (paint, polish, wax) against liquid marking.
• Purchaser must specify all technical details to avoid ambiguity in testing and acceptance.

SI Units Relevant to Testing (From IS 5923)

flowchart LR
    A[Order Placement] --> B[Purchaser supplies info]
    B --> C{Type of Locker, Finish, Handles?}
    C --> D[Supplier prepares sample]
    D --> E[Test per IS 5807 (Part 4)-1975]
    E --> F{Rating ≥ 8?}
    F -->|Yes| G[Accept surface finish]
    F -->|No| H[Reject / Rework]

For detailed testing procedures, refer to IS 5807 (Part 4)-1975.

IS 5923: Packaging and Marking - Key Points

1. Purchaser's Technical Information (Clause 8.4.1 & Appendix A)

At order placement, the purchaser must specify:

• Type of clothes lockers required.
• Whether handles or knobs are needed.
• Finish type:
  • Painted (specify color)
  • French polished (stained or natural)
  • Waxed (stained or natural)
• Alternative construction/finish methods, if any.
• Door opening direction (default is right opening).

2. Packaging & Marking Specifications

• Packaging should protect the product during transit and handling.
• Marking must include:
  • Manufacturer's name and address.
  • Product type and finish.
  • Order details.
  • Handling instructions.

3. Units and Symbols (SI Units)

4. ECO Mark Compliance (Clause 10.2 & 4.2)

• Particle board must comply with IS 3087:1985 for ECO Mark certification.
• Manufacturer must provide certification or declaration for ECO Mark.

flowchart TD
    A[Order Placement] --> B[Purchaser supplies info]
    B --> C{Information includes}
    C --> D[Type of locker]
    C --> E[Handles/Knobs]
    C --> F[Finish type]
    C --> G[Alternative methods]
    C --> H[Door opening direction]
    A --> I[Packaging & Marking]
    I --> J[Protection during transit]
    I --> K[Marking with product & manufacturer details]

Summary: Ensure purchaser provides detailed specifications at order, packaging protects product, marking is clear, and ECO Mark compliance is documented as per IS 3087.

IS 5923: Marking and Certification - Key Points

Clause 11.1.1: ISI Certification Mark

• Lockers may be marked with the ISI Mark indicating compliance with IS 5923.
• ISI Mark assures:
  • Production under controlled inspection, testing, and quality control.
  • Continuous conformity checks by ISI.
• Use of ISI Mark is governed by the Indian Standards Institution (Certification Marks) Act.

Appendix A & Clause 8.4.1: Purchaser Information

• Purchasers must supply technical details when ordering, ensuring correct product specifications.

Clause 10.2: ECO Mark Requirements

• Products must meet ECO Mark criteria as per relevant clauses.
• Manufacturer must provide certificates or declarations to BIS for ECO Mark application.

Clause 4.2: Particle Board for ECO Mark

• Particle board must comply with IS 3087:1985 for ECO Mark certification.

Summary Table of Certification Requirements

Note: For detailed licensing and marking procedures, consult the Indian Standards Institution (Certification Marks) Act and BIS guidelines.

flowchart TD
    A[Manufacturer] --> B[Quality Control & Testing]
    B --> C[Compliance with IS 5923]
    C --> D{Apply for ISI Mark?}
    D -->|Yes| E[ISI Certification]
    E --> F[Mark Product with ISI]
    D -->|No| G[No ISI Mark]
    F --> H[Continuous BIS Surveillance]

IS 5923 - Information to be Supplied by the Purchaser (Clause 8.4.1 & Appendix A)

When placing an order for clothes' lockers, the purchaser must provide the following key information:

• Type of lockers required (e.g., single-tier, double-tier)
• Handles or knobs: Specify if required
• Finish type:
  • Painted (specify colour)
  • French polished (stained or natural)
  • Waxed (stained or natural)
• Alternative construction/finish methods (if any, must be clearly stated)
• Door opening direction: Default is right-opening; specify if otherwise

Additional Notes:

• Lockers can be supplied in knocked down condition for easy assembly; manufacturer will provide fixing instructions.
• Use SI units for all dimensions and specifications (length in meters, mass in kilograms, etc.).

Summary Table for Purchaser's Information

flowchart TD
    A[Purchaser places order] --> B[Specify Locker Type]
    B --> C{Handles/Knobs?}
    C -->|Yes| D[Specify Handles/Knobs]
    C -->|No| E[No Handles/Knobs]
    D --> F[Specify Finish Type]
    E --> F
    F --> G{Alternative Methods?}
    G -->|Yes| H[Specify Alternative Methods]
    G -->|No| I[No Alternatives]
    H --> J[Specify Door Opening Direction]
    I --> J
    J --> K[Order Finalized]

This ensures clarity and avoids manufacturing delays.