equipment for subsurface sounding of soils
1983 Edition

Introduction and Implementation of IS 10589: Key Highlights

1. Certification and Marking (Clause 4.1.1)

• Equipment can bear the ISI Certification Seal.
• The ISI mark confirms compliance through:
  • Inspection processes
  • Testing procedures
  • Quality control overseen by ISI
• Ongoing conformity assessments by ISI ensure product consistency.
• Licensing for ISI mark usage is regulated under the Indian Standards Institution Act.

2. Use of SI Units

3. Derived SI Units

Purpose and Coverage of IS 10589

Objective:

• Establishes construction, material, and marking requisites for soil sounding apparatus.
• Supports compliance with Indian Standards, indicated by the ISI Certification Mark.
• Encompasses inspection, testing, and quality assurance supervised by ISI.

SI Units Applied in IS 10589

Construction Materials Snapshot (from Table 1)

Marking Details

• Equipment may display the ISI Certification Mark.
• ISI mark ensures conformity through ISI's inspection and testing.
• Usage governed by Indian Standards Institution Act.

flowchart LR
    A[Equipment Construction] --> B[Material Selection]

Scope and Material Details of IS 10589

Coverage

• Specifies materials, marking, and quality assurance for subsurface soil sounding tools.
• ISI Certification Mark confirms compliance through inspection and testing.
• Reporting of test results adheres to rounding rules defined in IS:2-1960.

Material Specifications (Clause 3.1, Table 1)

Units & Definitions

Marking

• Equipment may bear the ISI Certification Mark as evidence of standard conformity.
• Usage regulated under Indian Standards Institution rules.

flowchart LR
    A[Equipment] --> B[Material Choice]
    B --> C[Steel for cones, rods, hammer]
    B --> D[Materials for hoisting elements]
    A --> E[Marking]
    E --> F[ISI Certification Seal]
    A --> G[Testing and Rounding]

IS 10589 Highlights: Equipment Types, Dimensions & Construction

Equipment Categories

• Two main types: Type A and Type B (Clause 2.1).
• Dimensional details and tolerances are illustrated in Figures 1 through 6.
• Unless otherwise specified, medium class tolerances per IS 2102 (Part 1) - 1980 apply.

Dimensioning and Threading

• Example thread: M32 × 8 square thread used for cones and rods.
• Measurements expressed in millimeters.

Material Requirements (Clause 3.1, Table 1)

Construction Notes (Figures 1-6)

• Cone and adapter: Hardened steel with smooth conical surface.
• Driving and guide rods: M32 × 8 square thread.
• Hammer: Wire rope core with U-clamps.
• Hoisting gear: Tripod legs made from angle sections, pulleys, winch, bolts (sizes M8, M12, M16), welded joints.

Equipment Components Flowchart

graph TD
  A[Threaded or Plain Cone] --> B[Driving/Guide Rod]
  B --> C[Hammer]
  C --> D[Hoisting Assemblies]
  D --> E[Tripod Legs & Pulley]
  D --> F[Winch and Handle]

Note: For precise dimensions and tolerances, refer to IS 10589 Figures 1-6; all fasteners and pipes conform to specified standards.

IS 10589: Specifications for Construction Materials

Additional Details:

• Type B uses driving rod with driving head as guide rod.
• Quantity of driving rods and couplings is as per requirement.
• Hammer wire rope diameter is 8 mm with flexible core and secured by clamps.

Hardness and Strength Requirements:

• Cone hardness: 50-55 HRC (Rockwell scale).
• Hammer mass: 65 kg.
• Wire rope tensile strength: ≥ 1400 kg/cm².

Relevant Standards:

• IS 5517: Steel for hardening and tempering
• IS 1875: Carbon steel for forging
• IS 1239: Mild steel tubes and pipes
• IS 226: Structural steel standards

flowchart TD
    A[Equipment Part] -->|Material| B[Steel/Mild Steel]
    B --> C{Special Requirements}
    C -->|Cone| D[Hardened 50-55 HRC, smooth surface]
    C -->|Hammer| E[65 kg, wire rope ≥ 1400 kg/cm²]

IS 10589: Detailed Specifications of Equipment Components

1. Material Details (Clause 3.1, Table 1)

2. Dimensional Details (Selected)

• Hook, Hammer, Connecting Pins (Clause 37.5):

  • Connecting pins: Diameter 20 mm × minimum length 350 mm
  • Hammer weight: 65 kg

• Tripod Leg (Type A) (Fig. 5A & 5B):

  • Angle sections: 35 × 35 × 5 mm, length 350 mm, rounded edges
  • Flange: Diameter 160 mm × 10 mm thickness
  • Box section: Two angles 65 × 65 × 6 mm, welded 50 mm length at 200 mm centers
  • Pipes: 25 mm C class MS pipe welded with 50 mm C grade pipe; 38 mm ID C grade pipe with 65 mm C grade pipe
  • Bolts: M16 × 38 mm

• Pulley (Type A) (Fig. 5C):

  • Flange diameter: 160 mm × 10 mm thickness
  • Bolt holes: 4 holes of 17 mm diameter at 120° pitch circle diameter

• Tripod Leg (Type B) (Fig. 6A):

  • Bolt size: M16 × 125 mm
  • Plate thickness: 12 mm MS with 2 holes

IS 10589: Specifications for Hammer in Type A Equipment

Material Requirements:

• Cone and Adapter: Steel hardened to 50-55 HRC with a finely machined conical surface.
• Driving Rod and Guide Rod (Type A): Steel conforming to IS: 5517-1978.
• Hammer: Steel weighing 65 kg as per IS: 1875-1978.
• Wire Rope: Diameter approximately 8 mm, flexible core, minimum tensile strength 1400 kg/cm², secured with U-clamps on both ends.

Critical Dimensions and Details:

• Driving rod thread: M32 × 8 square thread.
• Guide rod carries the same threading.
• Hammer secured with 8 bolts (M8 × 25 mm).
• Hoisting components:
  • Tripod legs made of mild steel (per IS: 1239 (Part I)-1979 or IS: 226-1975).
  • Pulley and other parts made of steel (per IS: 1875-1978).
• Tripod leg angle: 35 × 35 × 5 mm, 350 mm length, welded at 400 mm centers.
• Pulley flange diameter: 160 mm, thickness 10 mm.

Assembly Notes:

• Driving and guide rods are connected using couplings.
• Hammer mass and wire rope strength ensure effective impact energy.
• Hoisting assembly designed for stability and safety.

Summary Table:

IS 10589: Hammer Details for Type B Equipment

Core Specifications:

• Hammer weight: 65 kg (per IS: 1875-1978).
• Material: Steel with wire rope tensile strength ≥ 1400 kg/cm².
• Driving rod and head: Steel as per IS: 5517-1978; the driving rod with driving head acts as guide rod.
• Connecting pins: Diameter 20 mm, minimum length 350 mm.
• Wire rope: 8 mm diameter with flexible core, secured with U-clamps on each side.
• Threaded components: M32 × 8 square thread for rod and head connections.

Hoisting Equipment for Type B:

• Tripod legs: Mild steel conforming to IS: 1239 (Part I)-1979 or IS: 226-1975.
• Pulley: Steel as per IS: 1875-1978.
• Additional parts (winch pins, hooks, axle): Steel per IS: 1875-1978.

Key Dimensions (in millimeters):

Material Hardness:

• Cone and plain cone hardened to 50-55 HRC with smooth conical machining.

flowchart TD
    Hammer --> DrivingRod["Driving Rod + Head (M32×8 SQ Thread)"]
    DrivingRod --> WireRope["Wire Rope Ø8 mm with U-clamps"]
    Hammer --> ConnectingPins["Connecting Pins Ø20×350 mm"]
    Hammer --> HoistingEquipment["Hoisting Gear (Tripod, Pulley, Winch)"]
    HoistingEquipment --> TripodLegs["Tripod Legs (Mild Steel)"]
    HoistingEquipment --> Pulley["Pulley (Steel)"]

IS 10589: Tripod Leg Details for Type A Equipment

Key Data (Clause 10.5 & Figures 5A, 5B, 5C):

• Material: Mild steel as per IS: 1239 (Part I)-1979 or IS: 226-1975.
• Tripod leg angle section: 35 × 35 × 5 mm, length 350 mm, with rounded edges.
• Spacing: Angles welded at 400 mm centers top and bottom.
• Flange: Diameter 160 mm, 10 mm thick.
• Box section: Two angles 65 × 65 × 6 mm, welded 50 mm long at 200 mm centers.
• Pipes: 25 mm Class C MS pipe welded with 50 mm Class C pipe; also 38 mm ID C grade pipe with 65 mm C grade pipe.
• Bolts: M16 × 38 mm.
• Rivets: Two countersunk head rivets positioned 30° apart for solid piece connections.
• Holes: Four holes 17 mm diameter spaced at 120° pitch circle.

Assembly Notes:

• Two legs mounted on the ends of the axle.
• Pulley diameter and thickness as per Figure 5C.
• Use washers (85 × 3 mm), MS flats, and U-shaped flats for attachment.

Dimensions Table:

graph TD
    A[Tripod Leg Angle Section] --> B[Box Section]
    B --> C[Flange]
    C --> D[Pipes]
    D --> E[Bolt & Rivet Fixings]

IS 10589: Assembly Details for Tripod Leg (Type A)

Clause 10.5 & Figures 5A, 5B, 5C:

• Tripod leg end piece constructed from mild steel (IS: 1239 Part I-1979 or IS: 226-1975).

• Angle sections: 35 × 35 × 5 mm, 350 mm length with rounded edges, spaced at 400 mm centers top and bottom.

• Flange dimension: 160 mm diameter, 10 mm thickness.

• Box section formed from two angles 65 × 65 × 6 mm, welded 50 mm length at 200 mm centers.

• Pipe legs include 25 mm Class C MS pipe welded with 50 mm Class C pipe and 65 mm Class C pipe.

• Bolt holes: Four holes of 17 mm diameter spaced at 120° pitch circle diameter.

• Bolt size: M16 × 38 mm.

• Solid piece connection uses two countersunk head rivets set 30° apart.

• Pulley material: Steel conforming to IS: 1875-1978.

• Pulley dimensions as per Figure 5C.

Material Summary (Clause 3.1, Table 1)

Bolt & Rivet Specifications

Assembly Remarks

• Two tripod legs are fixed at the ends of the axle.

IS 10589: Pulley Construction Details for Type A Equipment

Specifications (Clause 37.5 & Figure 5C)

• Pulley constructed from:

  • Angle section: 35 × 35 × 5 mm, 350 mm length, with rounded edges
  • Flange: 160 mm diameter × 10 mm thickness
  • Box section: Two angles 65 × 65 × 6 mm welded 50 mm length at 200 mm spacing

• Axle fixing: Two legs attached at the extreme ends

• Pipes include 25 mm C-class MS pipe, 50 mm C-grade pipe, 38 mm ID C-grade pipe, and 65 mm C-grade pipe

• Bolt details:

  • Size: M16 × 38 mm
  • Holes: Four holes 17 mm diameter arranged at 120° pitch circle

Material References (Clause 3.1, Table 1)

Pulley Dimension Summary

Visual Representation (Mermaid Diagram)

graph TD
    A[Pulley Assembly] --> B[Angle Section 35x35x5 mm]
    A --> C[Flange 160x10 mm]
    A --> D[Box Section 65x65x6 mm]
    D --> E[Welded Joints]
    A --> F[Bolts M16x38 mm]
    F --> G[Holes Ø17 mm at 120° PCD]

IS 10589: Tripod Components for Type B Hoisting Equipment

Primary Dimensions and Materials (Clause 6 & Figure 6)

Material References (Clause 3.1, Table 1)

• Tripod legs: Mild steel per IS: 1239 (Part I)-1979 or IS: 226-1975
• Pulley: Steel as per IS: 1875-1978
• Other parts (winch pins, hook, axle): Steel as per IS: 1875-1978

Assembly Summary

• Tripod legs are mounted at axle ends with M16 bolts.
• Pulley drum constructed from Class C pipe.
• Winch fastened with M12 bolts and supported by MS flats.

graph TD
    A[Tripod Leg (Mild Steel)] --> B[Axle Assembly (MS Plate + Washers)]
    B --> C[Pulley Fixture (Pipe + Angle + Plate)]
    C --> D[Winch Assembly (MS Flat + Bolts + Handle)]

IS 10589: Axle Fixing Components for Type B Hoisting Equipment

Main Specifications (Clause 6B & related illustrations)

• Axle fixing plate: 12 mm thick mild steel plate welded with 2 holes (17 mm diameter).
• Bolt size for fixing: M16 × 125 mm.
• Washers: Diameter 85 mm, thickness 3 mm.
• MS flats: 50 × 6 mm and 75 × 10 mm (U-shaped), two pieces.
• Pulley fixture (Clause 6C):
  • Drum made from C Class 10 pipe.
  • Long angle section 50 × 50 × 5 mm.
  • MS flat plate 65 × 150 × 10 mm fixed on tripod with M16 × 100 mm bolts.
• Winch fixing (Clause 6D & 6E):
  • Bolt size: M12 × 70 mm.
  • MS flat 50 × 16 mm.
  • Handle made of galvanized pipe.

Material Standards (Clause 3.1, Table 1)

• Axle, winch parts, connecting pins, hooks: Steel per IS: 1875-1978.
• Tripod legs: Mild steel as per IS: 1239 (Part 1)-1979 or IS: 226-1975.
• Pulley: Steel per IS: 1875-1978.

Summary Table

Pulley Mounting Details for Type B Equipment (IS 10589:1983)

Specifications (Clause 37.5 & Figure 6C):

• Drum constructed from C Class 10 pipe.
• Long angle section: 50 × 50 × 5 mm.
• MS flat plate: 65 × 150 × 10 mm, bolted to the tripod.
• Bolts: M16 × 100 mm for pulley mounting.

Fixation Setup:

• Uses M16 × 125 mm bolts with 12 mm thick MS plate containing two 17 mm holes (per Clause 6B).
• Washers sized 85 × 3 mm.
• MS flats of 50 × 6 mm and 75 × 10 mm (U-shaped) for axle and fixture support.

Material Standards (Clause 3.1, Table 1):

Threads:

• M32 × 8 square thread used for driving rods and connected parts.

Pulley Fixture Dimensions

graph TD
    A[Tripod Leg] -->|Bolted by M16×100| B[Pulley Plate (65×150×10)]
    B --> C[Long Angle (50×50×5)]
    C --> D[Drum (C Class 10 pipe)]
    D --> E[Wire Rope]

IS 10589: Winch Details for Type B Equipment

Specifications and Dimensions (Clause 37.5, Figure 6D, and related):

• Winch bolt: M12 × 70 mm.
• Winch shaft hole: See Figure 6D for exact dimensions.
• MS flat for winch: 50 × 16 mm.
• Material: Steel per IS: 1875-1978 for winch parts including pins, axle, and hook.
• Galvanized pipe used for winch handle (dimensions per Figure 6D).

Associated Type B Components (Figure 6 series):

Material References (Clause 3.1, Table 1):

• Winch components: Steel per IS: 1875-1978.
• Tripod legs: Mild steel as per IS: 1239 (Part I)-1979 or IS: 226-1975.
• Driving rods and heads: Steel IS: 5517-1978.

Winch Assembly Diagram (Type B)

graph LR
A[Winch Shaft] --> B[MS Flat 50×16 mm]
B --> C[Galvanized Pipe]
C --> D[Winch Handle (Fig. 6E)]
E[Bolts M12×70] --> B
F[Tripod Leg Assembly] -->|Bolted with M16×125| G[MS Plate 12 mm]
G --> H[Axle & Washer Ø85×3]