Code of practice for laying bitumen mastic flooring for industries handling LPG and other light hydrocarbon products

IS 13074: Scope & Key Specifications

• Scope:
  IS 13074:1991 provides guidelines for the preparation of base, laying, and maintenance of bitumen mastic flooring, specifically for industries handling LPG and light hydrocarbons. It must be read alongside:

  • IS 13026:1990 (Bitumen mastic flooring specification)
  • IS 8374:1977 (Bitumen mastic, antistatic grade)
  • IS 1196:1978 (Code of practice for laying bitumen mastic flooring)

• Key Points:

  • Flooring is designed for industrial safety against hydrocarbon exposure.
  • Maintenance requires periodic cleaning with lukewarm water and detergent; immediate removal of oils and grease spills.
  • Final test values should be rounded per IS 2:1960 rules.

• Related Standards:

  Standard	Purpose
  IS 13026:1990	Bitumen mastic flooring specification
  IS 8374:1977	Antistatic, electrically conducting bitumen mastic
  IS 1196:1978	Laying practice for bitumen mastic flooring

This standard ensures safety, durability, and quality control under BIS supervision for LPG-related industrial flooring.

IS 13074: Referenced Standards & Key Specifications

• Primary referenced standards:

  • IS 13026:1990 — Specification for bitumen mastic flooring for LPG & light hydrocarbon industries.
  • IS 8374:1977 — Specification for bitumen mastic, antistatic and electrically conducting grade.
  • IS 1196:1978 — Code of practice for laying bitumen mastic flooring.
  • IS 2:1960 — Rules for rounding off numerical values.

• Key points:

  • IS 13074 should be read in conjunction with the above standards for complete guidance.
  • Bitumen mastic flooring requires minimal maintenance; clean with lukewarm water and detergent.
  • Immediate removal of oils, fats, and grease spills is essential to maintain flooring integrity.
  • Compliance and quality assurance are governed by BIS under the Bureau of Indian Standards Act, 1986.
  • Values and test results must be rounded off per IS 2:1960 rules.

Summary Table of Referenced IS Standards

Note: For detailed formulas or design tables, refer to the respective IS codes mentioned above.

flowchart LR
    A[IS 13074] --> B[IS 13026]
    A --> C[IS 8374]
    A --> D[IS 1196]
    A --> E[IS 2]
    B --> F[Material Spec for Bitumen Mastic]
    C --> G[Antistatic & Conducting Grades]
    D --> H[Laying Practices]
    E --> I[Rounding Rules]

This diagram shows the relationship of IS 13074 with its referenced standards.

IS 13074: Design Considerations for Bitumen Mastic Flooring

IS 13074 primarily references related standards for design and installation:

• Base Preparation: Follow IS 1196:1978 for laying bitumen mastic flooring.
• Material Specification: Refer IS 13026:1990 for bitumen mastic used in LPG/light hydrocarbon industries.
• Bitumen Grades: See IS 8374:1977 for antistatic and electrically conducting bitumen mastic grades.

Key Design Points:

• Flooring must resist hydrocarbon exposure, mechanical wear, and be antistatic.
• Proper substrate preparation (clean, dry, smooth) is essential.
• Thickness typically ranges from 3 mm to 6 mm depending on usage.
• Ensure compatibility with chemical and thermal conditions of the environment.

Maintenance (Clause 9.1):

• Clean with lukewarm water and detergent regularly.
• Remove oils, fats, and grease spills immediately to maintain integrity.

Summary Table: Related Standards

flowchart LR
    A[Substrate Preparation] --> B[Bitumen Mastic Application]
    B --> C[Thickness Control (3-6 mm)]
    C --> D[Surface Finishing]
    D --> E[Maintenance]
    E --> F[Periodic Cleaning & Spill Removal]

Note: Always verify the latest amendments and cross-reference IS 2:1960 for rounding test values.

Thickness of Bitumen Mastic Flooring (IS 13074)

• Total Thickness:
  As per Clause 4.1, the bitumen mastic flooring thickness should be 20 mm to 25 mm, or as mutually agreed based on site conditions.

• Laying Method (Clause 7.3.2):

  • Laid in bays, either single or multiple layers.
  • Thickness maintained using hand tools, gauges, straight edges, or band levels.

• Design Considerations (Clause 3.1):

  • Bitumen mastic is jointless and moisture-impervious.
  • Design must consider service conditions per IS 13026:1990 (for LPG and hydrocarbon industries).

Summary Table

flowchart TD
    A[Start: Flooring Design] --> B{Service Conditions?}
    B -->|Hydrocarbon| C[Refer IS 13026:1990]
    B -->|Others| D[Standard Thickness 20-25 mm]
    C --> E[Decide Thickness & Layers]
    D --> E
    E --> F[Lay Bitumen Mastic in Bays]
    F --> G[Maintain Thickness with Tools]
    G --> H[Finished Flooring - Jointless & Moisture Impervious]

This ensures compliance with IS 13074 and related standards for safe, durable bitumen mastic flooring.

IS 13074: Materials for Bitumen Mastic Flooring

• Relevant Standards:

  • Bitumen mastic must conform to IS 13026:1990 (Specification for bitumen mastic flooring for LPG and light hydrocarbons industries).
  • Refer also to IS 8374:1977 (Bitumen mastic, antistatic and electrically conducting grade).
  • Laying practice per IS 1196:1978.

• Material Specifications:

  • Bitumen mastic should meet chemical and physical properties as per IS 13026.
  • Flooring materials must resist hydrocarbons, oils, fats, and grease.
  • Maintenance involves cleaning with lukewarm water and detergent; immediate removal of spills.

• Testing and Quality Control:

  • Materials must undergo inspection and testing under BIS supervision.
  • Compliance is verified by the Standard Mark license.

• Rounding Off:

  • Test results must be rounded per IS 2:1960 rules.

Summary Table: Material Standards

flowchart LR
    A[Bitumen Mastic Flooring] --> B[Material: Bitumen Mastic]
    B --> C[IS 13026:1990 Compliance]
    B --> D[Antistatic/Electrical Grade per IS 8374]
    A --> E[Laying Practice]
    E --> F[IS 1196:1978]
    A --> G[Maintenance]
    G --> H[Cleaning with water & detergent]
    G --> I[Immediate spill removal]

For detailed physical and chemical properties, refer directly to IS 13026:1990.

IS 13074: Equipment Specifications for Bitumen Mastic Flooring

Key Equipment (Clause 6.1)

• Bitumen Boiler: For heating bitumen to molten state.
• Mechanically Agitated Mastic Cooker: Ensures uniform mixing and prevents bitumen cooling.
• Accessories: Necessary tools for application and maintenance.

Important Specifications

• Equipment must be used near the site to prevent cooling of molten bitumen.
• Mechanical agitation is essential to maintain homogeneity.

Related Standard

• Refer to IS 13026:1990 for detailed specifications on bitumen mastic flooring for LPG and light hydrocarbon industries.

Maintenance (Clause 9.1)

• Clean with lukewarm water and detergent periodically.
• Remove oils, fats, and grease immediately to maintain flooring integrity.

Summary Table: Equipment & Usage

flowchart LR
    A[Bitumen Boiler] --> B[Molten Bitumen]
    B --> C[Agitated Mastic Cooker]
    C --> D[Uniform Bitumen Mastic]
    D --> E[Application Near Site]

Note: Always consult IS 13026 for detailed material and equipment specifications related to bitumen mastic flooring.

IS 13074: Laying Procedure for Bitumen Mastic Flooring

Key Specifications & Procedure (Clauses 7.3.2 & 7.3.2.1)

• Spreading:

  • Bitumen mastic must be laid in bays.
  • Thickness should be maintained using hand tools, gauges, straight edges, band levels.
  • Can be applied in one or more layers as specified.

• Bubble Handling:

  • Any bubbles formed during laying must be punctured immediately.
  • Rectify the area while the mastic is still hot to ensure proper bonding and finish.

Thickness Control

Use suitable gauges and straight edges to maintain uniform thickness.

Reference Standard

• IS 13026:1990 must be followed for bitumen mastic flooring in LPG and hydrocarbon industries as a complementary guide.

flowchart TD
    A[Start Laying] --> B[Spread Bitumen Mastic in Bays]
    B --> C[Maintain Thickness using Gauges]
    C --> D{Bubbles Formed?}
    D -- Yes --> E[Puncture Bubbles While Hot]
    D -- No --> F[Continue Spreading]
    E --> F
    F --> G[Finish Layer]

Summary: Maintain specified thickness, puncture bubbles immediately while hot, and refer IS 13026 for detailed specs in LPG-related industries.

IS 13074: Repair of Damaged Bitumen Mastic Flooring

Key Specifications & Procedures:

• Damaged Area Preparation (Clause 8.1):

  • Cut out the damaged area in a rectangular shape.
  • Remove damaged layers preferably using blow lamp techniques.
  • Replace with new bitumen mastic.

• Bubble Handling during Laying (Clause 7.3.2.1):

  • Puncture bubbles formed during laying immediately.
  • Rectify the area while the mastic is still hot.

• Maintenance (Clause 9.1):

  • Clean dirt and dust periodically with lukewarm water and detergent.
  • Remove oils, fats, and grease spills immediately to prevent damage.

Reference Standard:

• IS 13026:1990 should be consulted for detailed specifications on bitumen mastic flooring for LPG and hydrocarbon handling industries.

Summary Table for Repair:

flowchart TD
    A[Damaged Area Identified] --> B[Cut Rectangular Section]
    B --> C[Remove Damaged Layer (Blow Lamp)]
    C --> D[Apply New Bitumen Mastic]
    D --> E{Bubbles Formed?}
    E -- Yes --> F[Puncture Bubbles While Hot]
    E -- No --> G[Allow to Set]
    F --> G
    G --> H[Periodic Cleaning & Spill Removal]

This concise approach ensures durability and integrity of bitumen mastic flooring per IS 13074.

IS 13074 - Maintenance of Bitumen Mastic Flooring (Clause 9.1)

• Maintenance Requirements:

  • Bitumen mastic flooring requires minimal maintenance.
  • Periodic cleaning with lukewarm water and detergent to remove dirt and dust.
  • Immediate removal of oils, fats, and grease spills to prevent damage.

• Additional Notes:

  • Refer IS 13026:1990 for specifications related to bitumen mastic flooring in LPG/light hydrocarbon industries.
  • Follow IS 1196:1978 for laying practices to ensure durability and ease of maintenance.

Summary Table for Maintenance

Key Points:

• Use lukewarm water to avoid damage.
• Avoid harsh chemicals that may degrade bitumen.
• Regular inspection ensures longevity.

flowchart LR
    A[Flooring Usage] --> B{Spill Occurs?}
    B -- Yes --> C[Immediate Cleaning]
    B -- No --> D[Periodic Cleaning]
    C --> E[Use detergent + lukewarm water]
    D --> E
    E --> F[Maintain flooring integrity]

This ensures the flooring remains safe and functional with minimal upkeep.