Apparatus for determination of dry density of soil by core cutter method-
1992 Edition

Scope and Key Specifications (Clause 3.1)

1.1 Equipment Material Specifications (Table 1)

1.2 Dimensions and Allowable Deviations (Clause 4.1)

• Refer to Figures 1 through 3 for detailed dimensions (figures not included).
• All measurements in millimeters (mm).
• Dimensional variations as per IS 2102 (Part 1): 1980, medium tolerance class.

1.3 Marking Requirements (Clause 5.1.1)

• Apparatus may display the BIS Standard Mark under licensing agreements.

1.4 Referenced Indian Standards (Clause 2.1)

• IS 1239 (Part 1): 1990 — Mild steel tubes
• IS 1875: 1978 — Carbon steel billets and bars for forgings
• IS 4432: 1988 — Case hardening steel specifications
• IS 2102 (Part 1): 1980 — Dimension tolerances

Material Specification Flowchart

graph TD
A[Apparatus Components] --> B[Core Cutter]
A --> C[Dolly]
A --> D[Rammer]
A --> E[Handle]

B --> F[Case Hardened Steel, Tip ≥ 40 HRC]
C --> G[Case Hardened Steel]
D --> H[Steel]
E --> I[Mild Steel Tube]

Note: Use this standard alongside referenced IS codes for complete guidance on design, materials, and tolerances.

2.1 Indian Standards Referenced (Clause 2.1)

2.2 Equipment Materials Summary (Table 1, Clause 3.1)

2.3 Dimensional Accuracy (Clause 4.1)

• Follow figures 1 to 3 for size details.
• Apply medium class tolerances from IS 2102 (Part 1):1980.

2.4 Marking Protocol (Clause 5.1.1)

• Equipment may bear BIS Standard Mark certifying compliance.

Summary Table

Material Details for Core Cutter Apparatus (IS 13468)

Table 1: Construction Materials

Notes:

• Case hardening enhances wear resistance, critical for cutter tip durability.
• Minimum hardness of 40 HRC is mandated for cutting edges.
• Dimensions and manufacturing tolerances conform to IS 2102 (Part 1):1980 (medium class).
• Mild steel tubes used for handles comply with IS 1239 (Part 1):1990.
• Structural steel components meet IS 1875:1978 standards.

Material Flow Diagram

flowchart TD
    X[Apparatus Parts] --> Y[Core Cutter: Case Hardened Steel, 40 HRC Tip]
    X --> Z[Dolly: Case Hardened Steel]
    X --> A[Rammer: Steel]
    X --> B[Handle: Mild Steel Tube]

This ensures strength, durability, and compliance with IS 13468.

Apparatus Dimensions and Tolerance Guidelines (IS 13468)

4.1 Dimensional Standards (Clause 4.1)

• Refer to Figures 1 to 3 (not included here) for precise dimensions.
• All sizes are nominal values expressed in millimeters.
• Dimensional tolerances follow IS 2102 (Part 1):1980, medium tolerance grade for linear and angular measurements.

4.2 Material and Construction Details

4.3 Reference Standards (Clause 2.1)

• IS 2102 (Part 1):1980 – General dimensional tolerances.
• IS 4432:1988 – Case-hardening steel specifications.
• IS 1875:1978 – Steel billets and bars.
• IS 1239 (Part 1):1990 – Mild steel tubes.

4.4 Typical Tolerances from IS 2102 (Medium Class)

Notes:

• Edges on cutter tips are hardened and corners rounded off.
• Equipment markings must comply with BIS quality standards.

graph TD
Apparatus --> Cutter
Apparatus --> Dolly
Apparatus --> Rammer
Apparatus --> Rammer_Handle

Cutter --> Hardened_Steel
Dolly --> Hardened_Steel
Rammer --> Steel
Rammer_Handle --> Mild_Steel

Marking Requirements for Core Cutter Apparatus (IS 13468)

Clause 5.1 - Marking Details

• Each piece of equipment shall bear a permanent and legible mark including:
  • Manufacturer’s name and/or registered trademark.
  • Unique serial number for product identification.

Clause 5.1.1 - BIS Standard Mark

• The apparatus may optionally display the BIS Standard Mark, confirming adherence to Indian Standards.
• This marking assures quality control and ongoing inspection by BIS authorities.

Materials Summary (Table 1)

Additional Notes

• Markings must withstand normal use and remain readable during service life.
• Use of the BIS Standard Mark is regulated under the BIS Act, 1986.

Marking Flowchart

flowchart TD
    Equipment --> Manufacturer_Mark
    Equipment --> Serial_Number
    Equipment -->|Optional| BIS_Standard_Mark
    BIS_Standard_Mark --> Quality_Confirmation

Manufacturer Identification Requirements (IS 13468 - Clause 5.1)

• Equipment must be permanently marked with:
  • Manufacturer’s name and/or registered trademark.
  • Serial number for traceability.

Optional BIS Standard Mark (Clause 5.1.1)

• Equipment may carry the BIS Standard Mark signaling compliance.
• This mark is granted under license as per BIS Act 1986.

Material Specifications Recap (Table 1)

Notes on BIS Mark Licensing

• Ensures product conformity through inspection and testing.
• Requires active license and adherence to BIS quality audits.

Manufacturer Identification Workflow

flowchart TD
  Equipment --> Marking
  Marking --> Manufacturer_Name
  Marking --> Serial_Number
  Marking -->|Optional| BIS_Standard_Mark
  Equipment --> Material_Specifications
  Material_Specifications --> Core_Cutter
  Material_Specifications --> Dolly
  Material_Specifications --> Rammer
  Material_Specifications --> Rammer_Handle

Quality and Certification Overview (IS 13468)

7.1 Certification and Standard Mark

• The apparatus may be authorized to bear the BIS Standard Mark.
• This mark guarantees:
  • Conformity with IS 13468 and associated Indian Standards.
  • Manufacturing under a stringent quality management system.
  • Continuous surveillance and testing by BIS.
• Licensing is governed by the BIS Act, 1986.

7.2 Material Compliance (Reference Table 1)

7.3 Related Standards

• IS 4432:1988 – Case hardening steels
• IS 1875:1978 – Steel billets and bars
• IS 1239 (Part 1):1990 – Mild steel tubes

7.4 Summary Quality Control Process

flowchart TD
    Manufacturer --> Production_Under_IS_13468
    Production_Under_IS_13468 --> Quality_Control
    Quality_Control --> BIS_Inspection
    BIS_Inspection -->|Pass| License_Grant
    BIS_Inspection -->|Fail| Rectification_Process
    License_Grant --> Continuous_BIS_Monitoring

This ensures the apparatus meets durability, reliability, and safety standards.

Annexures: Equipment Figures and Material Details (IS 13468)

8.1 Material Table (Table 1)

8.2 Dimensions and Tolerances (Clause 4.1)

• Dimensions as per Figures 1 to 3.
• Tolerances apply as per IS 2102 (Part 1): 1980, medium class.
• All sizes in millimeters.
• Cutter edges hardened with rounded corners.

8.3 Marking (Clause 5.1.1)

• Equipment may bear BIS Standard Mark verifying compliance.

Equipment Component Flow

graph LR
CoreCutter --> Dolly
Dolly --> Rammer
Rammer --> Handle

Note: For exact dimension details and diagrams, consult IS 13468 Figures 1-3 and IS 2102 for tolerances.