drawing filing equipment - Specification

IS 2695: Scope Summary & Key Specifications

Scope:
IS 2695 covers specifications for filing cabinets for vertical filing of drawings with emphasis on dimensions, materials, and durability.

Key Specifications and Tables:

1. Referenced Indian Standards (Annex A, Clause 2.1)

• Paints, varnishes, adhesives, welding materials, steel sheets, screws, and powder coatings standards are referenced.
• Examples:
  • IS 808: Dimensions for hot rolled steel sections
  • IS 814: Electrodes for arc welding
  • IS 13871: Powder coatings specification

2. Definitions (Clause 3.0)

• Defines terms related to filing cabinets and filing methods.

3. Dimensions for Vertical Filing (Clause 6.1.1, Table 2)

4. Maximum Overall Dimensions of Filing Cabinets (Clause 7.1.1, Table 3)

Minimum Clearances for Installation:

• Top: 20 mm
• Each side: 10 mm
• Depth: 5 mm

Summary Diagram

graph TD
A[IS 2695 Filing Cabinets] --> B[Dimensions]
B --> C[Vertical Filing Sizes]
B --> D[Cabinet Max Dimensions]
C

IS 2695 - Referenced Indian Standards Summary

Clause 2.1 and Annex A list essential Indian Standards related to paints, steel, welding, screws, adhesives, and furniture components relevant to IS 2695.

Key Referenced IS Codes:

Paper Sizes (IS 1064:1961) - Annex B

Notes:

• Successive sizes have areas in ratio 1:2.
• Sides maintain ratio 1:√2.
• A0 area = 1

IS 2695: Key Definitions, Dimensions & Specifications

1. Definitions (Clause 3.0)

• Defines terms related to filing cabinets for drawings.
• Ensures standardized understanding for design and manufacture.

2. Filing Cabinet Dimensions (Clause 6.1.1 & Table 2)

• Cabinets designed for vertical filing of drawings with ample clearance.
• Filing based on drawing size and method:

3. Maximum Overall Dimensions (Clause 7.1.1 & Table 3)

Minimum clearances for recess installation:

• Top: 20 mm
• Each side: 10 mm
• Depth: 5 mm

Summary Diagram of Filing Method

graph TD
    A[Drawing Size] --> B[Suspended on Pins/Prongs]
    A --> C[Held by Compression Pressure]
    B --> D[File Suspended from longer edge]
    C --> E[File with longer edge horizontal]

This ensures proper filing orientation and cabinet sizing per IS 2695.

IS 2695 - Materials and Components: Key Specifications

1. Material Conformance (Clause 4.1)

• Materials for drawing filing equipment must conform to specified types (4.1.1 to 4.1.6).
• Other materials allowed only with purchaser-manufacturer agreement.

2. Referenced Indian Standards (Annex A, Clause 2.1)

• Paints & coatings: IS 101 (sampling/tests), IS 110, IS 149, IS 13871 (powder coatings).
• Steel components: IS 513 (cold-rolled steel sheets), IS 808 (steel section dimensions), IS 814 (welding electrodes).
• Fasteners: IS 1365, IS 6760 (wood screws).
• Adhesives & treatments: IS 4972 (spot welding electrodes), IS 849 (casein glue), IS 852 (animal glue).
• Corrosion protection: IS 4116, IS 4835 (phosphate treatment).

3. Drawing Sheet Sizes (Annex B, Clause 7.0)

• Sizes follow ISO principles: halving/doubling surface area, 1:√2 side ratio, A0 = 1 m².

4. Filing Cabinet Dimensions (Clause 6.1.1, Table 2)

IS 2695 Construction Requirements Summary

• Clause 4.1.1: Construction must comply with IS 4116:1988 (Code for Prestressed Concrete), ensuring quality in materials, workmanship, and curing.

• Clause 5.2: Emphasizes proper handling and storage of prestressing steel to avoid damage and corrosion.

• Clause 6.2 & 8.2: Cover detailed construction practices including:

  • Accurate placement and tensioning of prestressing tendons.
  • Maintaining specified concrete cover and dimensions.
  • Controlled concrete mixing, placing, and curing to achieve design strength.
  • Stressing sequence and losses management per design requirements.

Key Construction Specifications:

Important Formula for Prestress Losses (Approximate):

[ \text{Total Loss} = \text{Elastic Shortening} + \text{Creep} + \text{Shrinkage} + \text{Relaxation} ]

Where,

• Elastic shortening loss ≈ 6-8% of initial stress
• Creep and shrinkage losses depend on concrete properties and environment.

flowchart LR
    A[Material Preparation] --> B[Placement of Tendons]
    B --> C[Concrete Casting]
    C --> D[Concrete Curing]
    D --> E[Prestressing & Tensioning]
    E --> F[Stress Loss Monitoring]

For detailed procedures, refer to IS 4116:1988 and IS 2695 clauses mentioned.

IS 2695: Key Dimensions & Clearances for Vertical Filing Cabinets

1. Drawing Filing Arrangement (Clause 6.1.1 & Table 2)

2. Maximum Overall Cabinet Dimensions (Clause 7.1.1 & Table 3)

Minimum clearances for recesses:

• Top of cabinet: 20 mm
• Each side: 10 mm
• Depth: 5 mm

3. Internal Drawer Dimensions (Clause 5.1.2 & Table 1)

4. Folders & Suspension Holders (Clause 7.1.3 & Table 4)

IS 2695 - Lateral Filing Equipment: Key Specifications & Dimensions

1. Description (Clause 3.1)

• Lateral filing equipment consists of rails with carrier bars sliding along them.
• Drawings are stored in folders that slide into pockets suspended from these bars.
• Designed for easy filing and removal of small drawings.

2. Maximum Overall Dimensions (Clause 7.1.1, Table 3)

3. Minimum Clearances for Installation (Clause 7.1.1 Note)

4. Structural & Functional Notes (Clause 5.2.7)

• Plinth/leg stand, drawer section, and top must be securely fastened at front and back.
• Use ball bearing channels or slide suspensions for smooth drawer operation.
• Minimum plinth height: 75 mm.

5. Additional Details

• Drawers may incorporate plastic or metal rollers for heavy loads.
• Handles and label holders are typically chromium plated for durability.

flowchart LR
    A[Rails] --> B[Carrier Bars]
    B --> C[Pockets]
    C --> D[Folders with Drawings]
    E[Drawer Section] --> F[Plinth/Leg Stand]
    F --> G[Top]
    E --> G
    style A fill:#f9f,stroke:#333,stroke-width:2px
    style B fill:#bbf,stroke:#333,stroke-width:2px
    style C fill:#bfb,stroke:#333,stroke-width:2px
    style D fill:#ffb,stroke:#333,stroke-width:2px
    style E fill:#fbb,stroke:#333

IS 2695: Roll Files for Large Drawings (Clause 3.3 & related)

Key Specifications:

• Roll Files: Cabinets or racks with tubes or pigeon-holes for horizontal filing of rolled drawings.
• Components: Plinth, sections with tubes/pigeon-holes, and a top.
• Storage Tubes: Transparent plastic or metal.
• Hooks: Length of rolled drawing + 50 mm for clearance.

Typical Roll File Types (Fig. 4):

• 4A Rack: Pigeon-holes + storage tube.
• 4B Rack: Hooks for hanging rolled drawings.

Dimensions & Filing Method (Clause 6.1.1, Table 2):

Important Notes:

• Roll files are designed for large drawings (A0, A1, A2, A3).
• Provide ample clearance for easy retrieval.
• Hooks must exceed drawing length by 50 mm for ease of hanging.

flowchart LR
    A[Rolled Drawings] --> B[Roll File Cabinet]
    B --> C[Plinth]
    B --> D[Sections with Tubes/Pigeon-holes]
    B --> E[Top Cover]
    D --> F[Storage Tubes (Plastic/Metal)]
    D --> G[Hooks (+50mm length)]

This ensures efficient, damage-free storage and easy access to large rolled drawings.

IS 2695 - Finishing Requirements Summary

Key Specifications:

• Clause 9.1.2: Powder coating per IS 13871:1993 may be applied on mild steel components if purchaser requires.
• Clause 9.1: Finishing of equipment must comply with 9.1.1 & 9.1.2.
• Clause 12.1: Purchaser must specify:
  • Type of finish
  • Colour
  • Material (steel/wood)
  • Alternative methods if any

Relevant IS Codes for Finishing & Testing Paints:

Performance Requirements (Clause 10):

• Finishes must pass tests for:
  • Hardness
  • Flexibility & adhesion
  • Impact resistance
  • Durability (humidity resistance)

Typical Finishing Process Flow (Example):

flowchart TD
    A[Surface Preparation] --> B[Primer Application]
    B --> C[Undercoating]
    C --> D[Finishing Coat (Paint/Powder Coating)]
    D --> E[Drying/Curing]
    E --> F[Inspection & Testing]

Summary:

• Use powder coating per IS 13871 if specified.
• Follow paint testing methods per IS 101 & related parts.
• Finish must meet mechanical & durability tests.
• Purchaser must clearly specify finish details in the order.

This ensures durable, corrosion-resistant, and aesthetic finishes on steel/wood components.

IS 2695: Performance Tests Key Points

1. Hardness Test (Clause 10.2.1)

• Conduct as per IS 101 (Part 5/Sec 1): 1988.
• Measures paint hardness using standardized mechanical methods.

2. Flexibility and Adhesion Test (Clause 10.2.2)

• Conduct as per IS 101 (Part 5/Sec 2): 1988.
• Evaluates the paint's ability to flex without cracking and its adhesion to the substrate.

3. Related Standards (Annex A, Clause 2.1)

• IS 101: Methods of sampling and test for paints, varnishes (Mechanical, Flexibility, Adhesion, Hardness).
• IS 2933, 3313, 4116, 4835, 6760, 13871: Various specifications relevant to coatings, welding, and steel.

Summary Table for Tests

Notes:

• These tests ensure durability and performance of protective coatings.
• Follow detailed procedures in IS 101 parts for accurate results.

flowchart TD
    A[Paint Sample] --> B[Hardness Test]
    A --> C[Flexibility & Adhesion Test]
    B --> D[Measure hardness]
    C --> E[Evaluate flexibility & adhesion]

IS 2695: Marking and Identification Key Points

1. Marking Requirements (Clause 13)

• All drawing filing equipment must be marked to identify the manufacturer.
• Optionally, equipment may carry the Standard Mark (BIS mark) as per BIS Act 1986.

2. Drawing Sheet Sizes (Clause 7, Annex B)

• Sizes follow IS 1064:1961 principles:
  • Successive sizes differ by halving/doubling area.
  • Aspect ratio: 1 : √2 (approx. 1:1.414).
  • A0 area = 1 m².

3. Referenced Indian Standards for Paints & Finishes (Clause 2.1, Annex A)

• IS 101 (sampling & tests for paints)
• IS 1064 (paper sizes)
• IS 1278 (welding filler rods)
• IS 1365 (screws)
• IS 2933, 3313 (paint coatings)
• IS 513, 808 (steel sheets & sections)
• IS 814 (welding electrodes)
• IS 13871 (powder coatings)

Summary Diagram: Marking & Identification Flow

flowchart TD
    A[Drawing Filing Equipment] --> B{Marking}
    B -->|Mandatory| C[Manufacturer Identification]
    B -->|Optional| D[Standard Mark (BIS)]
    A --> E[Drawing Sheets]
    E --> F[Sizes A0 to A5]
    F --> G[Follow IS 1064:1961]

**Use this information to ensure compliance with IS 2695 marking

IS 2695: Ordering Information & Key Specifications

1. Ordering Information (Clause 12.1)

Purchaser must specify:

• Type required (e.g., filing cabinet type)
• Colour of finish
• Material: Steel or Wood
• Alternative construction/finish methods, if any

2. Packaging (Clause 11.1)

• All components must be packed to prevent damage during transit.

3. Cabinet Dimensions for Vertical Filing (Clause 6.1.1 & Table 2)

Dimensions must accommodate drawings with clearance:

4. Referenced IS Standards (Annex A)

• IS 3618: Steel filing cabinets specifications
• IS 4835: Wooden shelving cabinets
• IS 13871: Powder coatings
• Paint and material test standards (IS 101, IS 1064, IS 1079, etc.)

Summary Diagram: Ordering Process

flowchart TD
    A[Purchaser] --> B[Specify Type, Colour, Material]
    B --> C[Specify Alternative Methods if any]
    C --> D[Supplier Prepares Product]
    D --> E[Pack Components to Avoid Damage]
    E --> F[Dispatch]

Note: Always cross-check dimensions with actual drawing sizes and clearance requirements for smooth filing. Use referenced IS codes for detailed material and finish specifications.

IS 2695 Annexes Key Summary

Annex A: List of Referenced Indian Standards (Clause 2.1)

Annex A provides essential IS codes related to materials, testing, and components used in filing equipment and related products. Key IS references include:

Annex B: Filing Equipment Dimensions (Clauses 7.0 & 8.0)

• Covers equipment for lateral filing of A4 and A5 size drawings.
• Covers equipment for filing drawings larger than A4/A5 (see Fig. 4A & 4B in IS 2695).

Practical Notes:

• Use IS 1064:1980 for paper size standards (A4 = 210 x 297 mm, A5 = 148 x 210 mm).
• Steel sections per IS 808:1989 guide structural dimensions for filing cabinets.
• Paint and corrosion protection per referenced IS codes ensure durability of filing equipment.

graph TD
    A[IS 2695 Standard] --> B[Annex A: Referenced IS Codes]
    A --> C[Annex B: Filing Equipment Sizes]
    B --> D[Paint & Adhesive Standards]
    B --> E[Steel & Welding Standards]
    C --> F[A4 & A5 Filing Equipment]
    C --> G[Larger Drawing Filing Equipment]