Functional Requirements for Water Tender Type 'X' for Fire Brigade Use

IS 6067: Scope - Key Specifications & Tables

Scope: Covers fire-fighting water tenders with equipment and performance requirements.

1. Equipment Schedule (Clause 4.9.3 & Appendix A)

2. Pump Performance (Clause 4.5.3)

3. Vehicle General Requirements (Clause 2.6)

• Gross vehicle mass: ≥ 15 tonnes (including crew, water, equipment)
• **Max speed (fully

IS 6067: General Requirements for Water Tender (Clause 2.6)

Material Specifications (Clause 3.1)

Key Accessories and Equipment (Selected)

• 3-way suction collecting head (125 mm) - IS 904-1983
• Suction wrenches for 125 mm couplings - IS 4643-1968
• Hydrant stand-pipe two-way - IS 5714-1981
• Fog nozzle with extension - IS 952-1969
• Self-contained breathing apparatus - IS 10245 (Part II)-1982
• Portable fire extinguishers (dry powder & foam) - IS 2171-1976, IS 933-1976

flowchart TD
    A[Water Tender General Requirements]
    A --> B[Mass ≥ 15 tonnes]
    A --> C[Speed 75 km

IS 6067 - Key Material Specifications (Clause 3.1)

Notes:

• Aluminium alloy offers lightness + strength + durability.
• Lead tin bronze provides wear resistance.
• Stainless steel ensures corrosion resistance especially for shafts and rings.
• Oil in the sump must be prevented from overheating (Clause 4.1.3).

Relevant IS Codes for Materials:

• IS 617-1975: Aluminium alloy ingots and castings
• IS 318-1981: Lead tin bronze ingots and castings
• IS 6603-1972: Stainless steel bars and flats

Summary Table for Materials

This ensures optimal performance, durability, and maintenance of fire-fighting pump appliances as per IS 6067.

IS 6067: Design and Construction Key Points

1. Material Specifications (Clause 3.1)

2. General Design Requirements (Clause 2.6)

• Gross vehicle mass: ≥ 15 tonnes (including crew, water, equipment)
• Max speed (fully laden): 75 km/h on level road
• Acceleration: 0 to 50 km/h in 55 seconds (fully laden)
• Gradient start: Capable on 1 in 4 slope
• Braking:
  • Foot brake stops within 15 m at 45 km/h on dry surface
  • Hand brake holds on 1 in 4 gradient in neutral
• Dimensions:
  • Wheelbase ≤ 5 m
  • Turning circle diameter ≤ 20 m
  • Road clearance ≥ 26 cm
  • Overall width ≤ 2.5 m

3. Lubrication (Clause 3.3)

• Lubricating nipples must be provided wherever necessary for maintenance.

Summary Table: Vehicle Dimensions & Performance

This ensures strength, durability, and operational safety in fire-fighting water tend

IS 6067: Engine and Lubrication System Key Points

Pump Performance (Clause 4.5.3 & Table 1)

• Rated Output: 3200 L/min at 7 kgf/cm² pressure.
• Lift: 3 m with two 2.5 m suction hoses.
• Alternate Output: 2250 L/min at 8.8 kgf/cm², same lift.
• Operating Temp: 27ºC ± 2ºC.
• Pump must maintain performance with strainers (except basket type).

Engine Cooling (Clause 4.1.1)

• Must allow continuous stationary running without overheating.
• Use indirect open circuit cooling if needed, discharging water to waste.
• Provision to divert cooling water to tank if required.

Lubrication System (Clauses 4.1.3 & 4.1.5)

• Oil sump overheating must be prevented.
• External oil filter mandatory.
• Tubular dipstick required for oil level monitoring.

Additional Notes

• Use specified materials for engine parts:
  • Aluminium/alloy ingots & castings (general engineering).
  • Leaded tin bronze ingots & castings.
  • Stainless steel bars & flats.

flowchart LR
    Engine -->|Cooling| CoolingSystem
    CoolingSystem -->|Open Circuit| WaterWaste
    CoolingSystem -->|Diverted| WaterTank
    Engine -->|Lubrication| OilSump
    OilSump -->|Filter| ExternalFilter
    OilSump -->|Dipstick| OilLevelGauge
    Pump -->|Performance| RatedOutput
    RatedOutput -->|3200 L/min @ 7 kgf/cm²| PumpSpecs

This summarizes IS 6067 key specs for engine cooling, lubrication, and pump performance.

IS 6067: Electrical System Key Points

1. Electrical Circuits (Clause 4.2.2)

• Separate fuses for important circuits.
• Fuses grouped in a common fuse box in driver's cab.
• Fuse box must have spare fuse holders.
• Wiring: single pole, protected from atmosphere.
• Use conduits where necessary.

2. Electrical Accessories (Clause 6.2.1)

3. Pump Electrical Performance (Clause 4.5.3, Table 1)

Summary Diagram: Electrical Circuit Fuse Box Setup

graph TD
    A[Driver's Cab] --> B[Fuse Box]
    B --> C[Separate Fuse 1]
    B --> D[Separate Fuse 2]
    B --> E[Spare F

IS 6067 - Water Tank Key Specifications & Requirements

• Tank Capacity: 6,000 litres (Clause 4.3)
• Tank Configuration:
  • Rear mounted pump → Single tank
  • Midship mounted pump → Two interconnected tanks (Clause 4.3)
• Corrosion Protection:
  • Inside surface sand blasted before painting
  • Epoxy treatment: 1 coat primer + 2 coats finish (Clause 4.3.4)
  • Tank to withstand hydrostatic pressure of 0.3 bar
• Water Level Indicators:
  • Dial gauge in driver's cab or
  • Visual line glass gauge calibrated at 1/4, 1/2, 3/4, full (litres) (Clause 4.3.5)

General Vehicle Dimensions & Performance (Clause 2.6)

Hydrostatic Pressure Calculation for Tank Design

[ P = \rho \times g \times h ]

• (P = 0.3 \text{ bar} = 30,000 , \text{Pa})
• (\rho = 1000 , \text{kg/m}^3) (water density)
• (g = 9.81 , \text{m/s}^2)

Calculate max water height (h):

[ h = \frac{P}{\rho g} = \frac{30,000}{1000 \times 9.81} \approx 3.06 , \text{m} ]

flowchart LR
    A[Water Tank Capacity 6,000 L] --> B{Pump Location}
    B -->

IS 6067: Hose Reel and Accessories - Key Specifications & Tables

Hose Reel Requirements (Clause 4.4 & 2.2)

• Hose reel location: Rear of appliance.
• Hose length: 60 m.
• Hose bore: 20 mm.
• Couplings: Screw 'C' type quick release.
• Nozzle: 8 mm shut-off nozzle.
• Additional features: Friction brakes and locking device may be fitted.

Essential Accessories & Quantities (Clause 4.9.3 & Tables)

IS 6067: Pump Key Specifications & Data

1. Pump Performance (Clause 4.5.3 & Table 1)

• Rated output: 3200 L/min at 7 kgf/cm²
• Operating temperature: 27°C ± 2°C
• Shaft speed: Safe for engine operation

2. Materials (Clause 3.1)

3. Pump Test (Clause 4.5.4)

• Continuous run: 4 hours at rated output (3200 L/min, 7 kgf/cm², 3 m lift)
• Engine oil temp ≤ 115°C or manufacturer’s rating
• Cooling water temp ≤ 85°C
• PTO sump oil temp ≤ manufacturer’s recommended
• Hydraulic pressure test on casing & impeller: 21 kgf/cm²

4. Suction Inlet (Clause 4.6.1)

• Suction inlet diameter: 125 mm (IS: 902-1974)
• Internal strainer(s) with blank cap(s), firmly retained but removable
• Midship pumps: suction inlets at both control panels

flowchart LR
    A[Pump Input Shaft] --> B[Impeller]
    B --> C[Pump Casing]
    C --> D[Discharge Outlet]
    E[Suction Inlet 125mm] --> C
    F

IS 6067: Suction Inlet and Delivery Valves Key Points

Suction Inlet (Clause 4.6.1)

• Size: 125 mm standard suction connection (IS: 902-1974).
• Features: Internal strainer(s) firmly retained but easily removable.
• Midship pumps: Suction inlets at each of two control panels.
• Accessories: Blank caps for sealing.

Delivery Valves (Clause 4.6.2)

• Count: Four delivery valves.
• Size: 63 mm standard hose couplings (IS: 903-1975).
• Type: Screwed wheel quick closing clack-valve (IS: 4928-1968).
• Accessories: Blank caps with pressure relief and chains.
• Midship pumps: Two delivery valves per panel.

Pump Performance (Table 1, Clause 4.5.3)

Summary Diagram: Valve Setup

flowchart LR
    SuctionInlet["125 mm Suction Inlet\nwith Strainer & Blank Cap"]
    Pump["Pump"]
    DeliveryValve1["Delivery Valve 1\n63 mm Hose Coupling"]
    DeliveryValve2["Delivery Valve 2\n63 mm Hose Coupling"]
    DeliveryValve3["Delivery Valve 3\n63 mm Hose Coupling"]
    DeliveryValve4["Delivery Valve 4\n63 mm Hose Coupling"]

    SuctionInlet --> Pump
    Pump --> DeliveryValve1
    Pump --> DeliveryValve2
    Pump --> DeliveryValve3
    Pump --> DeliveryValve4

Note: Ensure all valves comply with their respective IS standards for dimensions and performance.

IS 6067 - Primer Specifications Summary

Primer Types:

1. Water Ring Type Primer

   • Material: Phosphor bronze body, stainless steel shaft
   • Bearings: Suitable lubricated bearings
   • Features: Automatic disengagement after priming (Clause 4.7.2)
   • Use header tank with isolating valve for antifreeze where needed

2. Reciprocating Type Primer

   • Materials: Phosphor bronze & stainless steel for major parts (Clause 4.7.4)
   • Design: Operates effectively at 1000 to 1500 rpm (Clause 4.7.5)
   • Safety: Automatic engine speed limiting while primer engaged (Clause 4.7.2)
   • Accessibility: Prime lever easily accessible to operator

Key Points:

• Caps and springs must be securely fixed (Clause 4.7.4).
• Primer lever should be ergonomically positioned for quick operation.
• Use of isolating valves and antifreeze solutions in cold climates is mandatory.

Typical Material Selection Table for Primers

flowchart LR
    A[Start Priming] --> B{Primer Type?}
    B -->|Water Ring| C[Engage Water Ring Primer]
    B -->|Reciprocating| D[Engage Reciprocating Primer]
    C --> E{Pump Primed?}
    D --> E
    E -->|Yes| F[Auto Disengage Primer]
    F --> G[Resume Normal Operation]

This ensures automatic disengagement and safety during priming as per IS 6067.

IS 6067 – Control Panels (Clause 4.8)

Key Specifications:

• Location & Number of Panels (4.8.1):

  • Rear mounted pump: 1 control panel at rear
  • Midship mounted pump: 2 control panels, one on each side

• Illumination:

  • Panels must be adequately illuminated for visibility.

• Items on Control Panels (4.8.2):

  • Throttle control for engine
  • (Other items likely specified in extended clauses, e.g., pressure gauges, switches)

• Additional Requirements (4.8.3):

  • Panels must have conveniently positioned controls near them for operational ease.

Typical Control Panel Components (General Engineering Practice):

Diagram: Control Panel Layout for Midship Pump

graph LR
    A[Left Control Panel] -- Controls --> Engine
    B[Right Control Panel] -- Controls --> Engine
    A & B -- Monitor --> Pump
    Pump --> Water Flow

Summary: IS 6067 mandates illuminated control panels positioned according to pump type, equipped minimally with throttle control and conveniently located for operator access.

IS 6067: Body Work and Stowage - Key Specifications

Lockers for Equipment (Clause 4.9.3)

• Lockers must secure all equipment except items at SI No. 1, 25, 26, and 43 (Appendix A).
• Locker dimensions:
  • Height (bottom to top of opening): ≥ 600 mm
  • Depth: ≥ 600 mm

General Vehicle Requirements (Clause 2.6)

Equipment Stowage (Appendix A, Clause 4.9.3)

flowchart TD
    A[Equipment] --> B[Lockers]
    B --> C{Dimensions}
    C --> D[Height ≥ 600 mm]
    C --> E[Depth ≥ 600 mm]
    A --> F[Stowage per Appendix A]

This ensures safe, accessible storage and compliance with IS 6067 for fire water tenders.

IS 6067: Workmanship and Finish (Clause 5)

• Clause 5.1:
  All parts of the appliance must exhibit good workmanship with a streamlined finish to ensure durability and operational efficiency.

Key Specifications Related to Workmanship and Finish:

• Material Selection (Clause 3.1):

  • Pump casing & impeller:
    • Aluminium alloy (die-cast) as per IS 617-1975
    • Lead tin bronze (Grade LTB-2) as per IS 318-1981
  • Impeller ring & neck ring:
    • Lead tin bronze (Grade LTB-2) for bronze pumps
    • Stainless steel (Grade 04Cr18Ni10) as per IS 6603-1972 for aluminium pumps
  • Pump shaft:
    • Stainless steel (Grade 04Cr18Ni10) as per IS 6603-1972

• Surface Finish:
  Smooth, streamlined to minimize hydraulic losses and prevent corrosion.

Stability Check (Clause 4.10):

• Appliance must not overturn when tilted up to 30° under full load (excluding crew).

Summary Table: Material & Finish

This ensures durability, corrosion resistance, and operational stability of the appliance.

IS 6067: Instruction Books, Accessories, and Equipment

Instruction Books (Clause 6.1)

• Must include operating and maintenance procedures.
• Should have an itemized, illustrated spare parts list with reference numbers for all wearing parts.

Paint Specification (Clause 5.2)

• Fire appliance painted in Fire Red, Shade No. 536 (IS:5-1978).
• Paint conforms to IS: 2932-1974.

Accessories (Clause 6.2 & 4.9.3 - Appendix A)

Summary:

• Ensure instruction books accompany the appliance.
• Use standardized accessories as per IS codes.
• Maintain fire red color per IS standards.

flowchart TD
    A[Fire Appliance] --> B[Instruction Books]
    A --> C[Accessories & Equipment]
    C --> D[Extension Ladder (IS 4571/930)]
    C --> E[Canvas Hose (IS 4927)]
    C --> F[Hose Clamps (IS 5612 Pt I)]
    C --> G[Hose Bandages (IS 5612 Pt II)]
    C --> H[Hose Straps]

IS 6067: Marking Specifications (Clause 7.1)

Each fire appliance must be clearly and permanently marked with:

• Manufacturer's name or trade-mark
• Pump capacity in litres per minute (L/min)
• Water tank capacity in litres (L)
• Year of manufacture

Key Equipment & Standards (Marking-related references):

Summary Diagram of Marking Info on Appliance:

graph LR
A[Fire Appliance] --> B[Manufacturer Name/Trade-mark]
A --> C[Pump Capacity (L/min)]
A --> D[Water Tank Capacity (L)]
A --> E[Year of Manufacture]

Note: Refer to respective IS codes for detailed specifications of each equipment item. Marking ensures traceability and operational clarity for fire-fighting appliances.