Installation and Maintenance of Fire Fighting Pumps - Code of Practice

IS 15301 Scope Summary:

• Scope: IS 15301 primarily covers the code of practice for design and construction of machine foundations, especially for rotary type machines.

• Rounding Off: All test or analysis results must be rounded as per IS 2:1960 rules, maintaining the same significant figures as specified.

• Referenced Standards: IS 15301 refers to multiple related standards for detailed design, testing, and maintenance, including:

Key Notes:

• IS 15301 is a practice code; detailed design formulas are found in referenced IS codes (e.g., IS 2974 series).
• Use referenced IS codes for machine foundation design parameters like soil bearing capacity, dynamic loads, and vibration limits.
• Rounding off results must follow IS 2:1960 for consistency.

flowchart LR
    A[IS 15301: Machine Foundations] --> B[Design & Construction]
    A --> C[Testing & Analysis]
    A --> D[Referenced IS Standards]
    D --> E[IS 2974 Parts 3 & 4]
    D --> F[IS 1710, 5120, 6070]
    D --> G[IS 3844, 13039, SP7 Fire Protection]

For detailed design, consult IS 2974 series and related

IS 15301 References Summary

This standard incorporates provisions from the following key IS codes, which should be referred to for detailed design, construction, and testing of machine foundations and pump installations:

Important Notes:

• Rounding off: Follow IS 2:1960 for rounding numerical results, matching significant figures to specified values.
• These references form integral parts of IS 15301 and should be used for detailed design and compliance checks.

flowchart LR
    A[IS 15301] --> B[Pump Specifications (IS 1710, IS 5120)]
    A --> C[Machine Foundations (IS 2974 Part 3 & 4)]
    A --> D[Fire Protection (IS 3844, IS 6070, IS 13039, SP7 Pt4)]
    A --> E[Testing (IS 9137)]

This diagram shows how IS 15301 integrates various IS codes for comprehensive machine foundation and pump installation standards.

IS 15301 - Definitions and References: Key Points

• Scope: Definitions clarify terms used in the standard; no explicit formulas are given under "Definitions."

• References Table: IS 15301 refers to several related IS codes for design and construction of machine foundations and pump specifications, including:

  IS No.	Title
  IS 1710:1989	Specification for vertical turbine pumps for clear, cold, fresh water
  IS 2974 (Part 3):1992	Design & construction of machine foundations for rotary machines (medium/high freq)
  IS 2974 (Part 4):1979	Design & construction of machine foundations for rotary machines (low frequency)
  IS 3844:1984	Installation and maintenance of internal fire hydrants and hose reels
  IS 5120:1977	Technical requirements for rotodynamic special purpose pumps
  IS 6070:1983	Selection, operation & maintenance of trailer fire pumps and portable pumps
  IS 9137:1978	Acceptance test code for centrifugal, mixed flow and axial pumps
  IS 13039:1991	External hydrant systems - provision and maintenance
  SP 7 (Part 4):1983	National Building Code of India: Fire protection

• Rounding Off: Final test or calculation values must be rounded per IS 2:1960, retaining the same number of significant figures as specified.

Summary:

• No direct formulas in Definitions clause.
• Use referenced IS codes for detailed design, testing, and installation guidelines.
• Always apply IS 2 rounding rules to test and calculation results.

If you need formulas or tables for specific design aspects (e.g., machine foundation design or pump parameters), please specify the clause or topic.

IS 15301: Fire Pumps and Pump House - Key Specifications & Tables

1. Fire Pump Capacities (Clause 6.1)

• Pumps below water tank preferred to avoid negative suction and priming equipment.
• Pumps start automatically on pressure drop, preset to risk-specific pressure.

2. Pump House Layout & Clearances (Clause 5.1)

• Adequate space for pumps, pipes, control panels, air vessels, and maintenance circulation.

3. Pump House Fire & Ventilation Requirements (Clause 4.5)

• Internal pump house must have 2-hour fire-rated walls.
• Entrance door: 1-hour fire rating.
• Basement pump houses require forced mechanical ventilation.
• Ground floor pump houses should have direct external access.
• Basement pump houses need easy outside access, preferably via ramp.

4. Referenced IS Standards for Pumps & Foundations

IS 15301: Arrangement of Pumps - Key Specifications & Formulas

1. Pump House Location & Fire Safety (Clause 4.5)

• Pump house inside building (ground/basement) must have:
  • 2-hour fire rated wall
  • 1-hour fire rated fire check door
• Basement pump house requires forced mechanical ventilation
• Ground floor pump house should be on building periphery with direct outside access
• Basement pump house should have easy outside access, preferably by ramp

2. Pump Layout & Clearances (Clause 5.1)

• Display layout plans of pumps and fire water lines.
• Pump house must accommodate pumps, suction/delivery pipes, fittings, starter panel, air vessel, etc.
• Clearances for major pumps (> 2,280 l/min):
  • Front & back: ≥ 1.0 m
  • Sides & between pumps: ≥ 0.75 m
• Clearances for smaller pumps (including jockey pumps):
  • Front & back: ≥ 0.75 m
  • Sides & between pumps: ≥ 0.60 m
• Minimum headroom: 2.75 m

3. Priming Arrangement for Pumps Above Water Supply (Clause 6.10)

• Must have:
  • Foot valve
  • Priming tank with capacity ≥ 3× volume of suction pipe + pump casing
  • Priming tank connected to delivery side via metal pipe, min 100 mm internal diameter
  • Stop valve & non-return valve of same size on priming pipe
  • Independent filling arrangement & level indicator for priming tank
  • Vacuum gauge recommended on suction pipe
• Preferably, centrifugal pumps should be installed below water supply level.
• Automatic pumps must be fixed below water supply.

4. Acceptance Tests

• Follow code for acceptance tests for centrifugal, mixed flow, and axial pumps - Class C (details not provided here).

Summary Table: Minimum Clearances for Pumps

IS 15301 (2003) provides a Code of Practice for Installation and Maintenance of Fire Fighting Pumps but does not explicitly list formulas or tables within the provided context. However, key references and relevant IS codes guide the design and installation:

Key References for Fire Pump Installation:

• IS 1710:1989 – Vertical turbine pumps specs (for water)
• IS 2974 (Part 3 & 4) – Machine foundation design for rotary machines
• IS 3844:1984 – Installation & maintenance of internal fire hydrants and hose reels
• IS 5120:1977 – Technical requirements for rotodynamic pumps
• IS 9137:1978 – Acceptance test for centrifugal and axial pumps
• SP 7 (Part 4):1983 – National Building Code: Fire Protection

Typical Design Considerations & Formulas:

• Pump Capacity (Q): Usually based on required flow rate (liters per minute or m³/hr)
• Total Head (H): Sum of static head, friction losses, and pressure head needed at the discharge point
  [ H = H_{static} + H_{friction} + H_{pressure} ]
• Power (P) required: [ P = \frac{\rho g Q H}{\eta} ] where
  (\rho) = water density (kg/m³),
  (g) = acceleration due to gravity (9.81 m/s²),
  (\eta) = pump efficiency (decimal).

Installation Specs:

• Foundation per IS 2974 for vibration control
• Adequate clearance for maintenance
• Suction and discharge piping per IS 3844 and IS 13039
• Electrical and control panel per safety codes

flowchart TD
    A[Water Source] --> B[Fire Pump]
    B --> C[Discharge Pipe]
    C --> D[Fire Hydrants / Hose Reels]
    B --> E[Control Panel]
    B --> F[Foundation (IS 2974)]

For detailed design, consult the above IS codes and perform pump selection based on hydraulic calculations and site requirements.

IS 15301 primarily provides guidelines for installation and maintenance of fire fighting pumps but refers to related IS codes for detailed specs.

Key Points for Maintenance of Fire Pumps (from IS 15301 & referenced codes):

• Routine Checks:

  • Inspect pump alignment, coupling, and foundation for vibration or looseness.
  • Check for leakage in seals and packing.
  • Verify lubrication of bearings as per manufacturer’s instructions.
  • Test pump operation under no-load and full-load conditions periodically.

• Performance Testing:

  • Conduct acceptance tests as per IS 9137:1978 to verify flow rate, head, power, and efficiency.
  • Monitor pump curve parameters to detect degradation.

• Common Specifications:

  • Use IS 1710:1989 for vertical turbine pump specs.
  • Foundation design should follow IS 2974 (Parts 3 & 4).
  • Portable and trailer pumps maintenance per IS 6070:1983.

Typical Maintenance Checklist Table (summary):

Formula for Pump Power (for performance checks):

[ P = \frac{\rho \times g \times Q \times H}{\eta} ]

Where:

• ( P ) = Power input (W)
• ( \rho ) = Density of water (kg/m³)
• ( g ) = Gravity (9.81 m/s²)
• ( Q ) = Flow rate (m³/s)
• ( H ) = Head (m)
• ( \eta ) = Pump efficiency (decimal)

flowchart TD
    A[Start Maintenance] --> B[Check Alignment]
    B --> C[Inspect Seals & Packing]
    C --> D[Lubricate Bearings]
    D --> E[Test Pump Operation]
    E --> F{Performance OK?}
    F -- Yes --> G[

IS 15301 - Committee Composition Summary

• The Committee responsible for this standard is the Fire Fighting Sectional Committee, CED 22.
• Detailed composition is provided in Annex A (Foreword).

Key Specifications:

• The committee includes representatives from:
  • Government bodies (e.g., Ministry of Home Affairs, Central Public Works Department)
  • Fire services (e.g., Delhi Fire Service, Bombay Fire Brigade)
  • Research institutes (e.g., Bhabha Atomic Research Centre, Central Building Research Institute)
  • Industry representatives (e.g., Mather and Platt, Safex Fire Services)
  • Other stakeholders (e.g., Oil and Natural Gas Commission, Institution of Fire Engineers)

Example Table Extract (Annex A):

Notes:

• The committee ensures multi-disciplinary expertise covering fire safety, engineering, manufacturing, and regulatory aspects.
• Member Secretary: Shri S. Chaturvedi, Joint Director (Civil Engg), BIS.

This comprehensive composition ensures robust standard formulation with inputs from diverse fire safety and engineering experts.