Requirements for power-driven rodding machine for sewers

IS 11117: Scope Summary

• Scope: Covers requirements for power-driven rodding machines used to clear blockages in sewers (Clause 1.1).
• Rods and Couplings: Must conform to specified material and dimensional standards (Clause 2.1.3).
• Accessories: Typical accessories for rodding machines are detailed in Appendix A (Clause 3.1).

Key Specifications & Notes

Rounding Off Rule (IS 2-1960)

• Round final values to the same number of significant figures as the specified value.
• Ensures consistency in test/analysis results compliance.

flowchart LR
    A[Power Driven Rodding Machine] --> B[Rods & Couplings]
    A --> C[Accessories (Appendix A)]
    B --> D[Material & Dimensions (Clause 2.1.3)]
    C --> E[Typical Accessories List]

For detailed rod sizes, coupling types, and accessory specifications, refer to the respective clauses and appendix in IS 11117.

IS 11117: Construction of Power Driven Rodding Machines

Key Specifications for Construction (Clause 2.1.3)

• Rods and Couplings:
  • Must conform to specified dimensions and material quality.
  • Designed for durability and ease of coupling/decoupling.
  • Typically made of high-strength steel to withstand torque and bending stresses.

Rounding Off Rules (Clause None)

• Follow IS 2-1960 for rounding numerical values.
• Final test or analysis values must be rounded to the same number of significant digits as the specified values.

Accessories (Appendix A)

• Includes various attachments for typical sewer rodding machines.
• Examples: cutters, augers, and flexible shafts to handle different blockage types.

Typical Rod Dimensions (Example)

flowchart LR
    A[Power Driven Rodding Machine] --> B[Rods]
    B --> C[Couplings]
    A --> D[Accessories]
    D --> E[Cutter]
    D --> F[Auger]
    D --> G[Flexible Shaft]

For detailed dimensional tables and material specs, refer to the full IS 11117 document and IS 2-1960 for rounding rules.

IS 11117 - Prime Mover Specifications Summary

• Type: Petrol or Diesel engine with gear arrangement (per IS 10003-1981 & IS 10004-1981)
• Max Speed (Power Take-Off): ~120 rev/min
• Power Output: ≥ 2.25 kW at max speed
• Cooling: Air-cooled type for easy handling
• Clutch: Slip ring belt clutch or equivalent for overload protection and ease of operation
• Coupling: Pin chuck on output shaft for quick rod coupling/uncoupling
• Starter: Automatic rewind or manual cranking
• Controls:
  • Throttle control lever on trolley handlebar
  • Clutch lever near handlebar for easy control
• Accessories Provided:
  • Canvas cover
  • Engine tool kit
  • Spare parts for 3 years operation
• Lubrication: Must have a lubrication diagram indicating points, lubricant types, and frequency

Key Points for Design & Operation

Typical Gear Arrangement (Conceptual)

flowchart LR
    Engine --> Gearbox --> Clutch --> Output Shaft --> Pin Chuck --> Rods

This ensures controlled speed, overload protection, and quick rod coupling.

Note: Follow lubrication and dimension guidelines to ensure smooth operation and no obstruction in traffic.

IS 11117: Key Specifications for Chassis

Chassis (Clause 2.1.2)

• Material: Fabricated from Mild Steel (M.S.) sections or tubes.
• Wheels: Two wheels, preferably solid rubber cushion-tyred.
• Support: Rear skid support or a third wheel for stability.
• Handle Bar: Incorporates twist grip type clutch and throttle control.
• Balance: Machine must be stable and well-balanced during operation.

Rods and Couplings (Clause 2.1.3 & 1.0)

• Rod Length: 1.0 m.
• Diameter: ≥ 7 mm.
• Material: Alloy steel, corrosion-resistant, elastic enough to withstand 90° bends.
• Torque Capacity: Must withstand torque of 26 kg-m.
• Ends: One male and one female screwed sleeve; ends bent 90° for secure anchorage and rotation without disconnection.

Dimensional Requirements (Clause 4.1)

• Overall machine dimensions must not obstruct traffic or road movement during operation.

Summary Table for Rods

flowchart LR
    A[Chassis Frame] --> B[Two Solid Rubber Wheels]
    A --> C[Rear Skid Support / Third Wheel]
    A --> D[Handle Bar with Twist Grip Clutch & Throttle]
    E[Rods] --> F[1.0 m length, ≥7 mm dia]
    F --> G[Alloy Steel, Corrosion Resistant]
    F --> H[Male & Female Sleeves with 90° bent ends]

This ensures a durable, stable, and user-friendly chassis per IS 11117.

IS 11117: Rods and Couplings Key Specifications

• Rod Length: 1.0 m each (Clause 1.0a)
• Diameter: Minimum 7 mm (Clause 1.0c)
• Material: Alloy steel, corrosion-resistant, elastic enough to withstand 90° bending without loss of strength (Clause 1.0c,d)
• Torque Capacity: Must withstand 26 kg-m torque (Clause 1.0c)
• Ends: Each rod has one male and one female screwed sleeve; rod ends bent 90° for anchorage and rotation without disconnection (Clause 1.0b)
• Coupling: Designed to allow rotation in either direction to prevent disconnection (Clause 1.0b)
• Typical Sketch: Refer to Fig. 2 in Clause 2.1.3.1 for rod and coupling geometry

Summary Table

flowchart LR
    Rod[Rod (1m, ≥7mm dia)]
    Rod -->|Male screwed sleeve| Coupling[Coupling]
    Coupling -->|Female screwed sleeve| Rod2[Rod (1m, ≥7mm dia)]
    Rod -. 90° bent ends .-> Anchorage[Anchorage to prevent disconnection]

This ensures reliable, durable rods and couplings for power-driven rodding machines per IS 11117.

IS 11117 - Accessories for Power Driven Rodding Machine (Clause 3.1 & Appendix A)

Key Accessories (Clause 3.1, Appendix A-1.1)

A typical set includes:

• Rod coupling spanner: For tightening rod couplings.
• Bar turning handle: To tighten rods.
• Hand ratchet: For manual rod manipulation.
• Rod guide assembly: Guides rods from manhole to sewer.
• Push and pull tool with pin: To thrust rods in/out of manholes.
• Finishing tool: To recover rods that have drifted.
• Rod reel and stand: Keeps rods assembled and organized.

Attachment Tools (to be supplied as per IS or agreed specification)

• Auger type rod cutter: Cuts sand, silt, fibrous roots; has cutting edge.
• Sand borer: Bores fast through sand blockages.
• Spearpoint borer (50 mm): Manganese-steel head for breaking bottles, tin cans, bricks.
• Drill point borers (45 & 65 mm): Four radial cutting blades for hard blockages.

Notes

• Attachment tools conform to an Indian Standard under preparation.
• Until then, specifications are mutually agreed between purchaser and supplier.

Visual Summary (Fig. 2 Sketch Reference)

graph LR
A[Rod Coupling Spanner] --> B[Bar Turning Handle]
B --> C[Hand Ratchet]
C --> D[Rod Guide Assembly]
D --> E[Push & Pull Tool]
E --> F[Finishing Tool]
F --> G[Rod Reel & Stand]
G --> H[Attachment Tools]
H --> I[Auger Cutter]
H --> J[Sand Borer]
H --> K[Spearpoint Borer]
H --> L[Drill Point Borers]

This ensures efficient sewer cleaning and rod handling as per IS 11117.

IS 11117: Accessory List Specification for Power Driven Rodding Machine

Key Accessories (Appendix A, Clause 3.1 & A-1.1)

A typical power rodding machine for sewer cleaning shall include:

• Rod coupling spanner: For tightening rod couplings.
• Bar turning handle: To tighten rods.
• Hand ratchet: Assists in rod manipulation.
• Rod guide assembly: Guides rods from manhole into sewer.
• Push and pull tool with pin: To thrust rods in/out of manholes.
• Finishing tool: Rescues rods that drift inside sewer.
• Rod reel and stand: Keeps rods assembled and organized.

Attachment Tools (Conforming to IS under preparation)

• Auger type rod cutter: Cuts sand, silt, fibrous roots.
• Sand borer: Bores quickly through sand blockages.
• Spearpoint borer: Manganese-steel head, breaks bottles, bricks (50 mm size).
• Drill point borers: Four radial cutting blades for hard blockages (45 & 65 mm sizes).

Notes

• Until the attachment tools standard is published, specifications are as agreed by purchaser and supplier.
• Accessories ensure efficient operation and clearing of sewer blockages.

Rounding Off (Clause 0.5)

• Final test or calculated values must be rounded per IS 2:1960, maintaining the same number of significant figures as specified.

flowchart LR
    A[Power Rodding Machine] --> B[Rod Coupling Spanner]
    A --> C[Bar Turning Handle]
    A --> D[Hand Ratchet]
    A --> E[Rod Guide Assembly]
    A --> F[Push & Pull Tool]
    A --> G[Finishing Tool]
    A --> H[Rod Reel & Stand]
    A --> I[Attachment Tools]
    I --> J[Auger Cutter]
    I --> K[Sand Borer]
    I --> L[Spearpoint Borer]
    I --> M[Drill Point Borers]

This concise accessory list ensures compliance with IS 11117 for sewer cleaning rodding machines.

IS 11117: Lubrication Diagram and Maintenance Key Points

Lubrication Diagram (Clause 3.2)

• Must clearly identify all lubrication points on the machine.
• Specify the type of lubricant for each point (e.g., grease, oil).
• Indicate the frequency of lubrication (daily, weekly, monthly).

Maintenance Guidelines

• Follow the lubrication schedule strictly to ensure smooth operation.
• Use recommended lubricants to avoid wear and corrosion.
• Regularly inspect lubrication points for leakage or contamination.

Typical Lubrication Table Format

Accessories & Rods (Clauses 3.1 & 2.1.3)

• Rods and couplings must comply with specified dimensions and material specs (see Fig. 2 in IS 11117).
• Accessories should facilitate easy lubrication and maintenance access.

flowchart LR
    A[Lubrication Diagram]
    B[Lubrication Points]
    C[Lubricant Type]
    D[Frequency]
    E[Maintenance Actions]

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

Summary: A clear lubrication diagram with points, lubricant types, and frequency ensures proper maintenance and longevity of rodding machines per IS 11117.

IS 11117: Operational Features - Key Points

• Overall Dimensions (Clause 4.1):
  Machines must be designed so they do not obstruct traffic or road movement during operation. This implies compact and ergonomic sizing.

• Accessories (Clause 3.1 & Appendix A):
  The purchaser specifies required accessories and tools. Appendix A lists typical accessories for power-driven rodding machines, such as:

  • Rod guides
  • Couplings
  • Cleaning tools
  • Safety guards

• Rounding Off Results (Clause 0.5):
  Test or analysis results must be rounded off per IS 2-1960 rules, maintaining the same number of significant digits as specified in the standard.

Summary Table: Accessories (Typical Examples from Appendix A)

If you need specific formulas or dimensional limits, IS 11117 mainly focuses on operational and accessory specifications rather than structural formulas. For dimensioning, refer to Clause 4.1 for compactness criteria and Appendix A for accessory details.

IS 11117 - Painting and Finishing Key Points

• Surface Preparation:

  • Remove rust, scale, and grease thoroughly before painting.

• Painting System:

  • Apply 1 coat of primer paint.
  • Follow with 2 coats of finished paint.

• Shade Selection:

  • Use manufacturer's standard shades unless customer specifies otherwise.

• Rounding Off Results:

  • Follow IS 2-1960 for rounding test or analysis values, keeping the same significant digits as specified.

Summary Table for Painting Layers

This ensures corrosion protection and durability of machine surfaces per IS 11117.

IS 11117 - Accessories for Typical Power Driven Rodding Machine

Key Specifications (from Clause 2.1 & Appendix A):

• Operation Range: The machine must operate effectively between manholes spaced up to 100 m apart.
• Components: As per Clauses 2.1.1 to 2.1.3, the machine shall include:
  • Flexible rods
  • Couplings
  • Protective covers or guides

Typical Accessories (Appendix A):

Important Notes:

• The machine must be portable and power-driven.
• Must include safety features to prevent damage to pipes and operator.
• Refer to Fig. 1 (IS 11117) for typical machine layout.

Conceptual Diagram (Simplified):

graph LR
  A[Power Unit] --> B[Flexible Rods]
  B --> C[Couplings]
  C --> D[Sewer Pipe]
  D --> E[Manhole]

This shows the power source driving flexible rods connected by couplings inserted into sewer pipes between manholes.

For detailed dimensions and material specs, refer directly to IS 11117 Appendix A and related clauses.