Code of practice for construction of brick-cum-concrete composite (madras terrace) floor and roof

IS 2119: Scope Summary

• Scope: Specifies requirements for burnt clay flat terracing tiles (hand-made and machine-made), including materials, dimensions, and laying instructions.
• Applicability: Used for terrace roofing tiles, mortar additives (e.g., crude oil for Madras terrace work), and related tools like hand beaters.
• Key Dimensions for Hand Beater (Clause 3.1):
  • Mass: 1 to 2 kg
  • Handle diameter: 40 mm
  • Handle length: 150 mm
• Preparatory Work: Clause 4.2 mandates provision of necessary drawings and instructions to responsible personnel.
• Related Standards:
  • IS 2118 (Jack-arch floors)
  • IS 2792 (Stone slab floors)
  • IS 2858 (Mangalore tile roofing)
  • IS 6061 Parts I & II (Joist and filler block floors)
  • IS 6332 (Precast shell units floors/roofs)

Typical Specification Table Extract (Example)

Conceptual Flow for Terrace Tile Application

flowchart TD
    A[Specification & Design] --> B[Procure Tiles & Materials]
    B --> C[Prepare Mortar & Tools]
    C --> D[Laying Tiles as per Drawings]
    D --> E[Finishing & Curing]

Note: For detailed formulas, dimensions, and testing methods, refer to the full IS 2119 document and associated referenced standards.

IS 2119 - Definitions (Key Points)

• Clause 2.0: Defines terms specific to the standard for lime concrete flooring.
• Clause 2.3: For Lime definitions, refer to IS 6508:1972 (Building Lime specification).
• Clause 3.13: Hand Beater—a tool for compacting lime broken brick aggregate concrete; specifications detailed in Appendix C.
• Clause 4.2: All preparatory information, drawings, and instructions must be provided to personnel laying the terrace.

Important References for Definitions:

Summary:

• Definitions ensure clarity on materials (lime, tools) and procedures.
• Refer to IS 6508:1972 for lime.
• Use Appendix C for hand beater specs.
• Provide all necessary drawings and instructions for terrace laying.

flowchart TD
    A[IS 2119 Definitions] --> B[Lime: IS 6508:1972]
    A --> C[Hand Beater: Appendix C]
    A --> D[Terracing Tiles Specs]
    A --> E[Preparatory Work Info]

IS 2119: Materials Key Points

1. Material Specifications (Clause 4.2 & 3.12)

• Use materials conforming to relevant IS codes:
  • Burnt clay flat terracing tiles:
    • Part I: Machine made (IS 1237 Part I)
    • Part II: Hand-made (IS 1237 Part II)
  • Structural timber: As per IS 883
  • Cement concrete flooring tiles: IS 1237 (first revision)
  • Bitumen felts for waterproofing: IS 1322 (second revision)
  • Precast concrete: IS 456 (plain & reinforced), IS 1343 (prestressed concrete)

2. Storage, Transport & Handling (Clause 7.1)

• Follow IS 4082-1977 for proper storage to avoid deterioration.
• Store cement, lime, sand, tiles, steel, timber on raised platforms, dry, and covered.
• Avoid contamination and moisture ingress.

3. Precast Concrete Materials (Clause 3.6)

• Materials must comply with:
  • IS 456-1978 (plain & reinforced concrete)
  • IS 1343-1960 (prestressed concrete)

Summary Table: Relevant IS Codes for Materials

flowchart TD
    A[Materials] --> B[Terracing Tiles (IS 1237)]
    A --> C[Structural Timber (IS 883)]
    A --> D[Cement Concrete Tiles (IS 1237)]
    A --> E[Bitumen Felts (IS 1322)]
    A --> F[Precast Concrete (IS 456 & IS 1343)]
    A --> G[Storage & Handling (IS 4082)]

Ensure all materials meet IS standards for quality and durability before use.

IS 2119 - Design Considerations Summary

Clause 4.1 - Essential Design Information:

• Surface area to be covered.
• Type & arrangement of supporting elements.
• Level for terrace finish (floor/roof).
• Junction treatment with adjacent floors/walls.
• Roof slope & drainage provisions.
• Fixing provisions for services, ceiling, etc.

Clause 4.2 - Information Exchange:

• All above details must be communicated with terrace laying team.
• Provide necessary drawings and preparatory instructions.

Key Specifications & References:

Practical Design Notes:

• Ensure roof slope for drainage is typically 1:100 to 1:60.
• Terrace level must allow for floor finishes without water pooling.
• Provide fixing points for ceiling and services during design.
• Coordination among all trades is critical for durability and water-tightness.

Diagram: Information Flow for Terrace Design

flowchart LR
    A[Design Engineer] --> B[Provide Surface Area, Support Details, Levels]
    B --> C[Architect/Planner]
    C --> D[Terrace Laying Team]
    D --> E[Construction & Finishing]
    E --> F[Inspection & Maintenance]

This ensures a holistic approach to terrace design as per IS 2119, emphasizing communication and detailed planning.

IS 2119: Strength and Stability (Clause 5.2)

Key Points:

• Strength and stability of terracing tiles must ensure safety under service loads.
• Materials and construction must comply with relevant IS codes:
  • IS 456: 2000 (Code of Practice for Plain and Reinforced Concrete)
  • IS 1343: 1980 (Code of Practice for Prestressed Concrete)
• Proper preparatory work and instructions (Clause 4.2) are essential for laying tiles to maintain structural integrity.
• Use of specified materials such as burnt clay tiles (hand-made or machine-made) and cement concrete flooring tiles is mandatory.
• Stability checks should consider:
  • Load-bearing capacity
  • Resistance to bending and shear
  • Adequate anchorage and support

Typical Strength Formulas (per IS 456 & IS 2119 context):

Summary Table for Terracing Tiles (Indicative)

flowchart TD
    A[Material Selection] --> B[Preparation & Laying]
    B --> C[Strength Check]
    C --> D[Load

IS 2119 – Preparation and Preceding Work: Key Points

1. Time Scheduling (Clause 6.2.2)

• Arrange work to avoid interference from other constructions.
• Preferably avoid terracing work during the rainy season.

2. Completion of Preceding Work (Clause 6.1)

• Supporting elements (walls, pillars, beams, frames) must be:
  • Completed early
  • Properly cured
  • Top surfaces level finished before terracing.

3. Water Quality (Clause B-1.3)

• Water used must comply with Clause 3.11 (usually potable and free from impurities).

4. Information & Drawings (Clause 4.2)

• Provide all necessary information, drawings, and instructions to the terrace laying team.

Additional Specifications Referenced:

• Burnt clay flat terracing tiles (Hand-made & Machine-made)
• Structural timber specifications
• Code of practice for plain and reinforced concrete (3rd revision)
• Cement concrete flooring tiles
• Bitumen felts for waterproofing and damp-proofing

Summary Table: Preparation Checklist

flowchart TD
    A[Start Preparation] --> B[Complete Supporting Elements]
    B --> C[Cure Supporting Elements]
    C --> D[Level Finish Top Surface]
    D --> E[Check Water Quality (Clause 3.11)]
    E --> F[Provide Drawings & Instructions]
    F --> G[Schedule Work (Avoid Rainy Season)]
    G --> H[Start Terracing Work]

This ensures a smooth, durable terracing process as per IS 2119 guidelines.

IS 2119: Storage, Transport, and Handling of Materials - Key Points

1. Storage & Handling (Clause 7.1)

• Materials like cement, lime, sand, broken brick aggregate, tiles, precast concrete, steel, and wooden joists must be stored to prevent deterioration or loss of structural properties.
• Follow relevant IS specifications for each material (e.g., IS 4082-1977 for stacking/storage).
• Store on a clean, dry platform, protected from moisture and contamination.

2. Transport

• Use appropriate supports and restraints to avoid damage.
• For joists (Clause 8.1), transport rolled steel beams, precast concrete sections, or timber with care to avoid bending or impact.

3. Handling Equipment (Clause 3.1 & 3.13)

• Hand Beater Specifications:
  • Mass: 1 to 2 kg
  • Handle diameter: 40 mm
  • Handle length: 150 mm
• Used for compacting lime-broken brick aggregate concrete.

4. Reference Standards

• IS 4082-1977: Recommendations on stacking and storage.
• IS 2119 Clause 7.1 refers to relevant IS codes for each material.
• Use proper stacking heights and spacing to allow air circulation and avoid damage.

Summary Table: Hand Beater Dimensions (Clause 3.13)

flowchart LR
    A[Material Received] --> B[Inspection]
    B --> C{Suitable Storage?}
    C -->|Yes| D[Store on Dry Platform]
    C -->|No| E[Prepare Suitable Storage]
    D --> F[Protect from Moisture & Contamination]
    F --> G[Use Proper Handling Equipment]
    G --> H[Transport with Care]

Note: For detailed stacking heights, spacing, and handling methods, consult IS 4082-1977 and respective IS codes for specific materials.

IS 2119: Key Points on Laying Brickwork and Concrete for Madras Terrace

1. Laying of Brickwork (Clause 9.3)

• Bonding: Bricks must be pressed against the adjacent row for good mortar bonding and lateral adhesion.
• Arch Action: Slight rise (max 5 mm) between joists to enhance self-supporting arch action.
• Support: Joists can be supported by wedged uprights during laying to prevent cracks.
• Centering: Not required for this terrace type.

2. Lime Broken Brick Aggregate Concrete (Clause 10.1 & Appendix B)

• Mix: 1:2 by volume (slaked lime : broken brick aggregate).
• Thickness: Average 100 mm layer after bricks have set.
• Preparation: As per Appendix B, materials include slaked lime and broken brick aggregate; follow detailed preparation steps for consistency and durability.

3. Additional Specifications

• Follow related IS codes for materials and procedures:
  • Burnt clay terracing tiles (Part I & II)
  • Structural timber
  • Plain and reinforced concrete (IS 456)
  • Bitumen felts for waterproofing

Typical Mix Ratio for Lime Concrete in Madras Terrace:

Visual Concept: Brick Laying with Arch Rise

graph LR
A[Previous Brick Row] --> B[Current Brick Row]
B --> C{Slight Rise ≤ 5 mm}
C --> D[Joists Supported by Wedged Uprights]

This ensures good bonding and arch action without centering.

For detailed steps and quality control, refer to Appendix B of IS 2119 and related IS codes.

IS 2119 - Curing of Lime Concrete and Brickwork

Key Specifications on Curing:

• Concrete Curing (Clause 10.3):

  • Cure by sprinkling water continuously.
  • Minimum curing period: 6 days before laying floor or roof finish.

• Brickwork Curing (Clause 9.4):

  • Keep brickwork moist to ensure proper setting.
  • Minimum curing period: 10 days.

Additional Relevant Points:

• Lime concrete must be used within 2 hours of mixing (Clause 3.2).
• Hand beater specifications for compacting lime broken brick aggregate concrete are detailed in Appendix C.

Summary Table for Curing Periods:

Practical Notes:

• Maintain continuous moisture during curing to prevent shrinkage cracks.
• Use hand beaters as per Appendix C to ensure proper compaction before curing.

flowchart LR
    A[Mix Lime Concrete] --> B[Place & Compact]
    B --> C[Cure by Water Sprinkling]
    C -->|6 days| D[Ready for Floor/Roof Finish]
    
    E[Brickwork Laid] --> F[Keep Moist]
    F -->|10 days| G[Properly Set Brickwork]

This ensures durability and strength development as per IS 2119.

IS 2119 - Key Points on Finishing (Floor/Roof finishes):

1. Materials for Floor or Roof Finish (Clause 3.12)

• Use materials conforming to relevant IS specifications:
  • Burnt clay flat terracing tiles: IS Part I (Machine made) & Part II (Hand-made)
  • Cement concrete flooring tiles
  • Bitumen felts for waterproofing/dampproofing (IS second revision)
  • Structural timber as per IS standards

2. Preparatory Work & Instructions (Clause 4.2)

• Provide detailed drawings and instructions for terrace laying.
• Ensure all responsible personnel have access to these.

3. Maintenance (Clause 14.1)

• Roof finishes must be maintained per relevant IS standards on flat roof finishes.

4. Compaction Tool (Clause 3.13)

• Hand beater for lime broken brick aggregate concrete must meet Appendix C specifications.

Typical Specification Table for Burnt Clay Tiles (Example)

Summary Diagram: Finishing Workflow

flowchart TD
    A[Material Selection] --> B[Preparation & Drawing]
    B --> C[Laying & Compaction]
    C --> D[Finishing & Waterproofing]
    D --> E[Maintenance per IS standards]

Note: For detailed values, refer to IS 2119 annexures and referenced IS codes.

IS 2119 - Inspection Key Points (Clause 13.1)

Additional Specifications:

• Hand Beater (Clause 3.13 & Appendix C):

  • Mass: 1 to 2 kg
  • Handle diameter: 40 mm
  • Handle length: 150 mm

• Curing Duration: Adequate curing days are critical to prevent cracking and ensure strength.

Summary Diagram of Inspection Stages

flowchart TD
    A[Start: Before laying tiles] --> B[Check even bearing surface]
    B --> C[Check temporary supports]
    C --> D[During laying bricks: Soaking & inspection]
    D --> E[After laying concrete: Check beating]
    E --> F[Curing: Ensure proper days & inspection]
    F --> G[End: Quality terrace construction]

Ensure thorough inspection at each stage to avoid defects like cracking, sagging, and poor adhesion.

IS 2119: Key Specifications for Junctions and Parapet Treatment

1. Parapet and Roof Junction (Clause 12.1)

• Tiles laid inclined at 45° to the face of the parapet.
• Before tiling, broken brick aggregate concrete is laid on the sloping portion.
• Tiles must extend 50 mm inside the wall.
• Parapet plastering only after tile laying.

Typical Section (Fig. 3):

• One course of pressed tiles.
• Lime broken brick aggregate concrete.
• 12 mm thick plaster.
• Tiles laid at 45° angle.

2. Curing (Clause 11.4)

• Terrace and ceiling surfaces must be water-cured for at least 3 weeks.

3. Construction Notes

• Terrace bricks laid on edge in diagonal rows spanning joists (Fig. 1).
• Breaking joints between adjacent rows to avoid continuous cracks.
• Follow IS 456 for reinforced concrete design of joists (Clause 5.2.5).

Summary Table: Parapet Junction Tile Details

flowchart TB
    A[Roof Surface] --> B{Broken Brick Aggregate Concrete}
    B --> C[Inclined Tiles at 45°]
    C --> D[Tile extends 50 mm inside wall]
    D --> E[Parapet Wall]
    E --> F[12 mm Plaster (after tile laying)]

This ensures water tightness and durability at the junction of parapet and roof.

IS 2119: Maintenance Key Points

Inspection (Clause 13.1)

Maintenance (Clause 14.1)

• Roof finishes must be maintained as per relevant IS codes on flat roof finishes (e.g., waterproofing, protective layers).
• Regular inspection and upkeep prevent defects like cracks, sagging, and adhesion failure.

Additional Specifications

• Hand Beater (Clause 3.13): Must conform to Appendix C for compacting lime broken brick aggregate concrete.
• Information (Clause 4.2): All preparatory drawings and instructions must be provided to workers.

Summary Table for Maintenance Checks

flowchart TD
    A[Start: Terrace Construction] --> B[Inspect Bearing Surface]
    B -->|Satisfactory| C[Lay Terracing Bricks]
    C --> D[Soak Bricks & Inspect]
    D -->|Satisfactory| E[Lay Lime Broken Brick Concrete]
    E --> F[Compact Concrete with Hand Beater]
    F --> G[Cure for Specified Days]
    G --> H[Maintenance as per IS Codes]

Note: Refer to IS 2119 Appendix C for hand beater specs and relevant IS codes for roof finish maintenance.

IS 2119: Appendices & Specifications - Key Points

• Appendix A:
  Specifies requirements for Crude Oil used in mortars for Madras terrace work (Clauses 3.3 & 11.2).

  • Ensures oil quality for proper mortar performance.

• Appendix C:
  Details specifications for the Hand Beater used in compacting lime-broken brick aggregate concrete (Clause 3.13).

  • Ensures effective compaction tools.

• Clause 4.2:
  Mandates provision of all necessary information, drawings, and instructions to personnel laying the terrace.

• Related Specifications:

  • Burnt clay flat terracing tiles (Hand-made & Machine-made)
  • Structural timber in building
  • Cement concrete flooring tiles
  • Bitumen felts for waterproofing and damp-proofing

Summary Table of Appendices:

Practical Note:

• Use Appendix A oil specs to ensure mortar durability.
• Use Appendix C hand beater specs for proper compaction of lime aggregates.

flowchart TD
    A[IS 2119] --> B(Appendix A: Crude Oil)
    A --> C(Appendix C: Hand Beater)
    A --> D(Clause 4.2: Info & Drawings)
    B --> E[Mortar Quality]
    C --> F[Compaction Efficiency]
    D --> G[Proper Execution]

For detailed dimensions and material specs, refer directly to the appendices in IS 2119.