split spoon sampler

IS 9640: Scope - Key Specifications & Tables

1. Scope Summary (Clause 2.1)

• Dimensions and tolerances of apparatus parts are given in Figures 1 to 6.
• Unless specified, dimensions are nominal; tolerances per IS: 2102-1969 (Standard penetration test for soils).
• General tolerances follow IS: 2102 and IS: 2102-1969.

2. Materials of Construction (Clause 3.1, Table 1)

3. Tolerances

• Follow IS: 2102-1969 for dimensional tolerances.
• If not specified, general tolerances apply as per IS: 2102.

4. Marking (Clause 5.1.1)

• Equipment may carry the ISI Certification Mark ensuring compliance with IS standards and quality control.

Summary Diagram of Components & Materials

graph TD
  A[Split Spoon Sampler] --> B[Cutting Shoe: Mild Steel, 45 HRC]
  A --> C[Head: Mild Steel, Case Hardened]
  A --> D[Body: Mild Steel]
  A --> E[Liner: Brass Pipe]
  A --> F[Coupling: Mild Steel, A-Type Drill Rods]

Key References for Further Details:

• IS: 2102-1969: Tolerances & SPT method
• IS: 4432: Case

IS 9640 - References: Key Specifications & Tables

1. ISI Certification Mark (Clause 5.1.1):

   • Ensures compliance with IS standards via inspection and quality control by ISI.
   • Usage governed by Indian Standards Institution (Certification Marks) Act.

2. International System of Units (SI Units):

   Quantity	Unit	Symbol	Definition
   Length	metre	m
   Mass	kilogram	kg
   Time	second	s
   Electric current	ampere	A
   Thermodynamic temperature	kelvin	K
   Luminous intensity	candela	cd
   Amount of substance	mole	mol
   Plane angle	radian	rad
   Solid angle	steradian	sr

3. Derived SI Units:

   Quantity	Unit	Symbol	Definition
   Force	newton	N	1 N = 1 kg·m/s²
   Energy	joule	J	1 J = 1 N·m
   Power	watt	W	1 W = 1 J/s
   Flux	weber	Wb	1 Wb = 1 V·s
   Flux density	tesla	T	1 T = 1 Wb/m²
   Frequency	hertz	Hz	1 Hz = 1 cycle/s
   Electric conductance	siemens	S	1 S = 1 A/V
   Electromotive force	volt	V	1 V = 1 W/A
   Pressure, stress	pascal	Pa	1 Pa = 1 N/m²

4. Dimension Tolerances:

   • Refer IS:2102-1969 for tolerances on component dimensions (Cla

IS 9640 — Terminology: Key Specifications & Tables

1. Dimensions & Tolerances

• Dimensions of components are nominal unless otherwise specified.
• Tolerances follow IS 2102-1969 for allowable deviations where not explicitly mentioned.
• General tolerances for linear/angular dimensions per IS 2102 (second revision).

2. Units (SI System)

3. Rounding Off

• Final test or analysis values must be rounded as per IS 2-1960.
• Retain the same number of significant digits as the specified value.

Summary Diagram: Dimension & Tolerance Flow

flowchart TD
    A[Nominal Dimensions] --> B{Tolerance Specified?}
    B -- Yes --> C[Apply Specified Tolerance]
    B -- No --> D[Apply IS 2102 Tolerances]
    C --> E[Dimension with Tolerance]
    D --> E

Note: For detailed component dimensions, refer to Figures 1–6 of IS 9640.
Marking: Equipment may carry the ISI Certification Mark per Clause 5.1.1, ensuring quality compliance.

IS 9640: Construction and Dimensions of Split Spoon Sampler

1. Dimensions & Tolerances

• Dimensions of components are given in Figures 1 to 6 (not included here).
• Unless otherwise specified, tolerances follow IS: 2102-1969 (General tolerances for linear/angular dimensions).
• All dimensions are in millimeters (mm).

2. Materials of Construction (Table 1)

3. Special Notes

• Cutting shoe hardness ensures durability.
• Smooth surfaces on head, body, and liner reduce friction.
• Coupling is compatible with A-Type drill rods.

Summary Diagram of Components

graph LR
    A[Cutting Shoe] --> B[Head]
    B --> C[Body]
    C --> D[Liner]
    D --> E[Coupling]

For detailed dimensions and tolerances, refer to Figures 1-6 and IS: 2102-1969 for tolerance values.

IS 9640: Marking Requirements (Clause 5.1 & 5.1.1)

• Marking on Equipment Components:

  • Manufacturer's name or registered trademark (or both)
  • Date of manufacture
  • ISI Certification Mark (optional but governed by ISI rules)

• ISI Certification Mark:

  • Indicates compliance with Indian Standard under ISI supervision.
  • License for use granted as per Indian Standards Institution (Certification Marks) Act.
  • Continuous quality checks by ISI ensure conformity.

• Rounding Off (IS 2:1960):

  • Test/analysis results must be rounded to the same significant figures as specified values.

Summary Table for Marking

Additional Notes:

• Marking must be clear and indelible.
• Use SI units for all measurements as per IS 9640 annex.
• General tolerances for dimensions follow IS 919 (Part 1).

flowchart TD
    A[Equipment Component] --> B[Mark Manufacturer Name/Trademark]
    A --> C[Mark Date of Manufacture]
    A --> D{Use ISI Certification Mark?}
    D -->|Yes| E[Apply ISI Mark as per Licensing]
    D -->|No| F[No ISI Mark]

This ensures traceability, quality assurance, and compliance with IS standards.

IS 9640 - Assembly Details: Key Points

• Dimensions: All given in millimetres (mm).
• Tolerances: Unless specified, use IS 2102-1969 for dimensional tolerances.
• General Tolerances: Follow Part 1 - General tolerances for linear and angular dimensions (second revision).
• Figures 1 to 6: Provide detailed dimensions with tolerances for component parts.
• Rounding Off: Use rules as per the revised standard for numerical values.
• Allowable Deviations: For unspecified tolerances, refer to the first revision of the specification for allowable deviations.

Summary Table for Tolerances (from IS 2102-1969):

flowchart LR
    A[Assembly Dimensions] --> B{Tolerance Specified?}
    B -- Yes --> C[Use Specified Tolerance]
    B -- No --> D[Use IS 2102-1969 Tolerance Table]
    C & D --> E[Apply Rounding Rules]
    E --> F[Final Assembly Dimensions]

This ensures uniformity and precision in assembly per IS 9640.

IS 9640: Materials for Split Spoon Sampler (Clause 3.1 & Table 1)

Key Points:

• Case Hardening: Cutting shoe and head require case hardening for durability.
• Surface Finish: Smooth surfaces for head, body, and liner to reduce friction.
• Material Standards: Follow respective IS codes for material quality and dimensions.
• Tolerance: Dimensions and tolerances per IS: 2102-1969 unless otherwise specified.

Additional Notes:

• Hardness of cutting edge ≥ 45 HRC ensures wear resistance.
• Coupling must fit A-Type drill rods as per IS standards.
• Use ISI certified materials for quality assurance.

This ensures the sampler's durability, reliability, and compatibility with drilling equipment.

IS 9640: Key Tolerances & Specifications

1. General Tolerances:

• Dimensions without specific tolerances follow IS 2102-1969.
• All dimensions are nominal unless otherwise stated.
• Angular and linear tolerances adhere to IS 2102 standards.

2. Rounding Off Numerical Values:

• Follow IS 2-1960 for rounding.
• Retain the same number of significant digits as the specified value.

3. Sampler Dimensions (Table Extract):

Summary:

• Use IS 2102-1969 for tolerance values if not specified.
• Round off as per IS 2-1960.
• Sampler dimensions have tight tolerances (±0.2 mm) on critical diameters.

flowchart TD
    A[Nominal Dimensions]
    B[Check IS 2102-1969 for Tolerances]
    C[Apply Tolerance]
    D[Round off per IS 2-1960]
    E[Final Dimension]

    A --> B --> C --> D --> E

This ensures dimensional accuracy and compliance with IS 9640 standards.

IS 9640: Use and Application - Key Specifications & Tables

1. Use & Application:

• Equipment marked with ISI Certification Mark ensures compliance with IS 9640 under strict inspection and quality control.
• ISI mark usage governed by Indian Standards Institution (Certification Marks) Act.

2. Materials of Construction (Table 1):

3. Dimensions & Tolerances:

• Nominal dimensions per Fig. 1 to 6.
• Tolerances as per IS: 2102-1969 (general tolerances for linear/angular dimensions).

4. Units:

• Use SI Units (e.g., length in meters, force in newtons, pressure in pascals).

Summary Diagram of Key Parts

graph LR
A[Cutting Shoe] --> B[Head]
B --> C[Body]
C --> D[Liner]
D --> E[Coupling]

This ensures standardized construction, quality, and application of the split spoon sampler as per IS 9640.

IS 9640: Certification & Quality Control — Key Points

Certification (Clause 5.1.1):

• Products may bear the ISI Certification Mark, ensuring compliance with IS standards.
• ISI Mark signifies:
  • Production under a strict inspection, testing, and quality control system supervised by ISI.
  • Continuous conformity checks by ISI.
• License conditions for ISI Mark use are governed by the Indian Standards Institution (Certification Marks) Act.

Quality Control Specifications:

Dimensional Tolerances (Sampler Types):

Rounding Off Results:

• Follow IS:2-1960 for rounding test/analysis values.
• Retain the same number of significant digits as specified.

flowchart LR
    A[Manufacturing] --> B[Inspection & Testing]
    B --> C[Quality Control System]
    C --> D[ISI Supervision]
    D --> E[ISI Certification Mark]
    E --> F[Continuous Conformity Checks]

Summary: IS 9640 mandates strict material specs, dimensional tolerances, and quality control under ISI supervision for certification, ensuring product reliability and standard compliance.

IS 9640: Amendments and Revisions Summary

• Amendment No. 2 (Feb 1993) updates IS 9640:1980 (Split Spoon Sampler).
• No specific clause details amendments except referencing the amendment number.
• General tolerances for dimensions follow IS 2102 (Part 1) — linear and angular dimensions.
• Materials specified in Table 1 for sampler parts, e.g.:
  • Cutting shoe: Mild steel, case hardened to min 45 HRC (IS:4432-1977)
  • Head: Mild steel, case hardened (IS:4432-1967)
  • Body: Mild steel, smooth surface (IS:513-1973)
  • Liner: Brass pipe (IS:407-1966)
  • Coupling: Mild steel to suit A-Type drill rods (IS:1239 Part I-1973)

Marking & Certification:

• Equipment may carry ISI Certification Mark per ISI rules.
• ISI Mark ensures compliance, quality control, and continuous conformity checks.

SI Units Used:

• Length: metre (m)
• Force: newton (N) = 1 kg·m/s²
• Pressure: pascal (Pa) = 1 N/m²
• Energy: joule (J) = 1 N·m
• Power: watt (W) = 1 J/s

Key Reference Table: Materials of Construction (Excerpt)

If you need specific formulas or tables for sampler dimensions or tolerances, refer to IS 2102 (Part 1) for tolerances and IS 9640 for sampler construction details.