Guidelines for safe use of products containing asbestos, Part 3: Non-cement asbestos products other than friction materials

IS 11769 Part 3 - Scope Summary

• Scope:
  Covers safe handling and use of asbestos-containing products excluding friction materials and asbestos cement products. Focuses on preventing harmful asbestos dust emissions.

• Key Safety Documentation (Clause 11.1):
  Each asbestos product must have a Safety Rules Sheet including:

  • Product designation
  • Manufacturer details
  • Health hazards from asbestos dust inhalation
  • Handling precautions
  • Cleaning and safe disposal procedures
  • Use of personal protective equipment (respirators, protective clothing)

• Standards Basis:
  Aligns with ILO Codes of Practice (1984) and Indian Factories Act provisions for asbestos handling.

• Units & Definitions:
  Uses SI units for physical quantities (e.g., Pascal for stress, Newton for force).

Summary Table: Safety Rules Sheet Contents

This scope ensures safe use and handling of asbestos products by mandating clear communication of risks and protective measures.

IS 11769 Part 3 (1986) - References Summary

This part of IS 11769 focuses on Safety Rules Sheet requirements for asbestos products and provides standard units and definitions:

Key Specifications (Clause 11.1 - Safety Rules Sheet):

• Must include:
  • Product designation
  • Manufacturer's name & address
  • Health hazards from asbestos dust inhalation
  • Handling precautions
  • Cleaning & safe disposal procedures
  • Use of PPE (respirators, protective clothing)

International System of Units (SI Units) used:

Important Notes:

• The standard emphasizes health & safety in handling asbestos.
• SI units ensure uniformity in measurement and reporting.
• Safety data sheets are mandatory for asbestos products.

flowchart TD
    A[Asbestos Product] --> B[Safety Rules Sheet]
    B --> C{Includes}
    C --> D[Product Designation]
    C --> E[Manufacturer Info]
    C --> F[Health Hazards]
    C --> G[Handling Precautions]
    C --> H[Disposal Procedures]
    C --> I[PPE Usage]

Use this standard to ensure compliance with safety and measurement norms for asbestos cement products.

IS 11769 Part 3 - Definitions & Specifications Summary

The standard primarily defines safety and handling requirements for asbestos products, emphasizing:

Key Definitions (from Clause 11.1 Safety Rules Sheet)

• Product designation: Clear identification of asbestos product type.
• Manufacturer details: Name and address mandatory.
• Health hazards: Risks from inhaling asbestos dust.
• Precautions: Handling instructions to minimize exposure.
• Waste management: Procedures for cleaning and safe disposal.
• Personal Protective Equipment (PPE): Use of respirators, protective clothing.

Units & Symbols (SI Units used in the standard)

Important Notes:

• The standard focuses on safe handling and health hazard communication rather than structural formulas.
• Use of safety rules sheet with product is mandatory.
• PPE and waste disposal are critical for safety.

flowchart TD
    A[Asbestos Product] --> B[Safety Rules Sheet]
    B --> C[Product Designation]
    B --> D[Manufacturer Info]
    B --> E[Health Hazards]
    B --> F[Handling Precautions]
    B --> G[Waste Disposal Procedures]
    B --> H[PPE Requirements]

For detailed structural or material design formulas, refer to relevant IS codes on asbestos cement products or structural design.

IS 11769 Part 3: General Guidelines for Handling Asbestos Products (Non-Cement, Non-Friction)

This part focuses on safe handling of asbestos products excluding cement and friction materials. Key points include:

Health & Safety Guidelines

• Avoid asbestos dust exposure: Use wetting methods or local exhaust ventilation to minimize airborne fibers.
• Personal Protective Equipment (PPE): Respirators, gloves, and protective clothing must be worn.
• Workplace hygiene: Prohibit eating/smoking in asbestos areas; provide washing facilities.
• Training & supervision: Workers must be trained on asbestos risks and safe handling.

Packaging & Transport

• Use sealed, labeled containers to prevent fiber release.
• Transport asbestos waste as per hazardous material guidelines.

Disposal

• Dispose asbestos waste in designated landfills.
• Avoid breaking or crushing asbestos products to minimize dust.

No specific formulas or tables are provided in this part; it is primarily procedural and precautionary.

flowchart LR
    A[Handling Asbestos Products] --> B[Minimize Dust Exposure]
    B --> C[Use PPE]
    B --> D[Wet Methods / Ventilation]
    A --> E[Packaging & Transport]
    A --> F[Disposal in Designated Landfills]
    A --> G[Training & Supervision]

For detailed cement or friction asbestos products, refer to Parts 1 and 2 of IS 11769.

IS 11769 Part 3: Manufacture and Use of Asbestos Cloth and Protective Materials

Key Specifications & Procedures (Clauses 5.1 & 4.1.11):

• Manufacturing Steps (5.1.1 to 5.1.9):
  Follow strict procedures including:

  • Selection of asbestos fiber quality.
  • Controlled weaving and bonding methods.
  • Impregnation with protective binders.
  • Drying and finishing to ensure durability and fire resistance.

• Product-Specific Recommendations (4.1.11):
  For asbestos cloth, rope lagging, and millboard:

  • Use fibers with controlled length and purity.
  • Maintain thickness and density as per product type.
  • Ensure uniformity in weave and bonding for protective efficiency.

Typical Specifications for Asbestos Cloth:

Safety Guidelines:

• Use proper PPE during handling.
• Ensure ventilation and dust control.
• Follow disposal norms for asbestos waste.

flowchart LR
    A[Raw Asbestos Fiber] --> B[Weaving & Bonding]
    B --> C[Impregnation with Binder]
    C --> D[Drying & Finishing]
    D --> E[Protective Clothing / Fire Protection Material]

Summary: IS 11769 Part 3 mandates controlled manufacturing steps and product-specific parameters to ensure asbestos cloth and protective materials are effective and safe. Always integrate safety guidelines for handling asbestos products.

IS 11769 Part 3 (1986) – Handling & Use of Asbestos Rope Lagging

Key Specifications & Safety Measures:

• Protective Gear:

  • When using asbestos cloth extensively, protective clothing and respiratory equipment are mandatory (Clause 5.3.2).

• Asbestos Rope Lagging Usage Procedures (Clause 6.1):
  Follow steps 6.1.1 to 6.1.7 strictly for thermal insulation applications.

• Dust Control (6.1.1):
  Use specially treated asbestos rope lagging to minimize dust emission.

• Storage & Transport (6.1.2):
  Asbestos rope lagging must be kept in impermeable bags to prevent contamination and dust release.

Additional Best Practices (Based on Engineering Safety Standards):

• Handle lagging gently to avoid fiber release.
• Use wetting agents if cutting or shaping lagging.
• Dispose of waste as per hazardous material guidelines.

Summary Table:

flowchart TD
    A[Receive Asbestos Rope Lagging] --> B[Store in Impermeable Bags]
    B --> C[Use Treated Lagging Material]
    C --> D[Wear Protective Clothing & Respiratory Equipment]
    D --> E[Handle Carefully to Minimize Dust]
    E --> F[Apply for Thermal Insulation]

Note: IS 11769 emphasizes safety and minimizing asbestos fiber release during handling and use.

IS 11769 Part 3: Use of Asbestos Millboard – Key Points

1. General Guidelines (Clause 7.1)

• Follow procedures 7.1.1 to 7.1.6 strictly for safe use.
• Use specially treated asbestos millboard to minimize dust emission (Clause 7.1.1).

2. Safety Measures (Clause 6.1.7)

• For extensive rope-lagging, isolate the work area or schedule work when unprotected workers are absent.
• Use appropriate respiratory protection during handling.

3. Specifications & Properties

• Asbestos millboard typically used for thermal insulation and fireproofing.
• Thickness varies, commonly 3mm to 10mm.
• Density and thermal conductivity should comply with IS specifications for insulation.

4. Handling & Storage

• Store in dry, ventilated areas.
• Avoid mechanical damage to reduce dust.

Summary Table: Safety & Usage

flowchart TD
    A[Start: Use of Asbestos Millboard] --> B{Is Millboard Treated?}
    B -- Yes --> C[Proceed with Use]
    B -- No --> D[Source Treated Millboard]
    C --> E{Work Area Setup}
    E -- Extensive Rope-Lagging --> F[Isolate Area or Schedule Work]
    E -- Normal Use --> G[Use Respiratory Protection]
    F & G --> H[Safe Handling & Storage]
    H --> I[End]

Note: IS 11769 Part 3 emphasizes health safety due to asbestos hazards. Always comply with local regulations and use protective gear.

IS 11769 Part 3: Cutting, Removal, and Replacement Procedures Summary

Cutting Procedures (Clauses 5.1.4, 5.2.2, 8.1.1)

• Use electrically operated rotary knives with dust extraction for cutting.
• Avoid tearing; prefer shearing or slitting over sawing or grinding unless dust extraction is effective.
• On the cutting table:
  • Mount the mandrel on brackets at ends, clear of the surface.
  • Unroll cloth from the top of the roll.
  • Do not pull cloth across the table from a free-standing roll.

Removal Procedures (Clause 8.1.3)

• Remove old gaskets using hand tools to avoid dust.
• Soak gasket with water before removal to ease detachment and reduce dust.

Safety (Clause 8.1.2)

• No special safety precautions needed when fitting new gaskets.

Key Points Table

flowchart TD
    A[Cutting Cloth] --> B[Mount mandrel on brackets]
    B --> C[Unroll cloth from top]
    C --> D[Cut with rotary knives + dust extraction]
    D --> E{Method?}
    E -->|Shearing/Slitting| F[Proceed]
    E -->|Sawing/Grinding| G[Use dust extraction]
    H[Old Gasket Removal] --> I[Soak with water]
    I --> J[Remove with hand tools]

This ensures clean, safe cutting and removal while minimizing dust hazards per IS 11769 Part 3.

IS 11769 Part 3 – Waste Disposal and Cleaning: Key Points

• Clause 9.1:

  • No accumulation of waste on floors.
  • Use vacuum cleaners regularly for cleaning.
  • If vacuuming is impractical, wet waste thoroughly before removal.
  • Cleaning must comply with IS 11767-1986.

• Clause 9.2:

  • Waste must be sealed in impermeable bags.
  • Disposal per IS 11768-1986 guidelines.

• Clause 4.1.8:

  • Strict prohibition on waste accumulation.

• Clause 8.1.5:

  • After exposure to flame/high temperature, asbestos materials become brittle.
  • Removal must minimize dust emission by damping material.

Summary Table for Waste Handling

Important Notes:

• Vacuum cleaning is preferred to minimize dust.
• Wetting prevents airborne dust during manual cleaning.
• Use impermeable bags to contain hazardous waste safely.
• Follow referenced IS codes for detailed procedures.

flowchart LR
    A[Waste Generation] --> B{Is Vacuum Cleaning Possible?}
    B -- Yes --> C[Vacuum Clean]
    B -- No --> D[Wet Waste Thoroughly]
    C --> E[Seal Waste in Impermeable Bags]
    D --> E
    E --> F[Dispose as per IS 11768-1986]

This ensures safe, dust-minimized waste handling in compliance with IS standards.

IS 11769 Part 3 (1986) — Labeling and Warning Signs for Asbestos Products

Clause 10.1: Warning Signage

• Asbestos cloth, rope lagging, and millboard must bear pictorial warning signs and precautionary notices.
• The signs warn users about asbestos dust hazards and the risk of serious health damage from inhalation.
• Reference: Indian Standard for pictorial signs (Part 2, under preparation).
• Interim: Use agreed signs between parties until the standard is published.

Clause 11.1: Safety Rules Sheet Requirements Each asbestos product must be accompanied by a safety sheet containing:

• Product designation
• Manufacturer’s name and address
• Health hazards from asbestos dust inhalation
• Handling precautions
• Cleaning and disposal procedures for asbestos waste
• Personal protective equipment (PPE) recommendations (e.g., respirators, protective clothing)

Summary Table: Safety Sheet Contents

Key Notes:

• Warning signs must be clear and pictorial.
• Safety sheets are mandatory with all asbestos products.
• Follow ILO Codes of Practice (1984) and Factories Act guidelines for handling asbestos safely.

flowchart TD
    A[Asbestos Product] --> B[Warning Sign]
    A --> C[Safety Rules Sheet]
    C --> D[Product Designation]
    C --> E[Manufacturer Info]
    C --> F[Health Hazards]
    C --> G[Handling Precautions]
    C --> H[Cleaning & Disposal]
    C --> I[PPE Use]

This ensures user awareness and health protection per IS 11769 Part 3.

IS 11769 Part 3 - Safety Rules Sheet for Asbestos Products

The Safety Rules Sheet must accompany asbestos products (cloth, rope lagging, millboard, jointings) and include:

• Product designation
• Manufacturer's name & address
• Health hazards: Risks from inhaling asbestos dust (e.g., lung diseases)
• Precautions: Safe handling guidelines to minimize dust release
• Cleaning & disposal: Procedures for cleaning premises and safe asbestos waste disposal
• Personal protective equipment (PPE): Use of respirators, protective clothing, etc.

Key Safety Practices (Clauses 8.1.1 & 10.1)

• Prefer shearing/slitting over sawing or grinding unless dust extraction is provided.
• Gaskets generally require no special precautions.
• Products must bear pictorial warning signs indicating asbestos hazard.

Summary Table: Safety Rules Sheet Contents

Reference Standards:

• ILO Code of Practice: Safety in the use of asbestos (1984)
• Schedule XIV, Factories Act (Handling and processing of asbestos)

This ensures worker safety and environmental protection during asbestos product use.

flowchart TD
    A[Asbestos Product] --> B[Safety Rules Sheet]
    B --> C{Contents}
    C --> D[Product Designation]
    C --> E[Manufacturer Info]
    C --> F[Health Hazards]
    C --> G[Handling Precautions]
    C --> H[Cleaning & Disposal]
    C --> I[PPE Use]

This diagram illustrates the mandatory components of the Safety Rules Sheet.