Code of practice for fire safety of industrial buildings: Viscose rayon yarn and/or staple fibre plants

IS 3058: Scope Summary & Key References

Scope (Clause 2.1 & 3.0):
IS 3058 covers specifications related to fire safety equipment and installations. Definitions (Clauses 3.1 to 3.12) clarify terms used in the standard.

Key Points:

• The standard references multiple Indian Standards (Annex A) essential for comprehensive fire safety design and installation.
• It ensures quality and conformity through BIS certification and continuous inspection.
• Users must refer to the latest amendments for up-to-date compliance.

Important Referenced IS Codes (Annex A)

Practical Notes:

• Always cross-check with the latest amendments and related IS codes for fire safety design.
• Use certified products marked with BIS Standard Mark.
• For detailed formulas, tables, and specifications, refer to individual IS codes listed in Annex A.

flowchart LR
    A[IS 3058 Scope] --> B[Definitions (3.1 to 3.12)]
    A --> C[Annex A: Referenced IS Codes]
    C --> D[Fire Extinguishers (IS 2190)]
    C --> E[Fire Hydrants (IS 3844)]
    C --> F[Fire Safety Materials (IS 1642)]
    C --> G[Industrial Fire Safety (IS 3034, 3594)]

For detailed formulas or tables, consult the specific IS codes referenced under Annex A.

IS 3058: Referenced Indian Standards Summary

Clause 2.1 & Annex A list essential Indian Standards (IS) related to fire safety equipment and practices. These form the technical backbone for IS 3058 compliance.

Key Referenced IS Standards:

Important Notes:

• These IS codes ensure quality, safety, and installation standards for fire safety equipment.
• BIS (Bureau of Indian Standards) governs these standards under the BIS Act, 1986.
• Always use the latest edition or amendments for compliance.
• Standard Mark on products ensures conformity verified by BIS.

Diagram: Relationship of IS 3058 with Referenced Standards

graph LR
    A[IS 3058: Fire Extinguishers] --> B[IS 2190: Fire Extinguisher Selection & Maintenance]
    A --> C[IS 941: Fire Fighting Blowers]
    A --> D[IS 3844: Internal Fire Hydrants]
    A --> E[IS 10658: Dry Powder Extinguishers]
    A --> F[IS 12459: Cable Run Fire Protection]
    A --> G[IS 1642: Fire Safety of Buildings]

For detailed design, installation, and safety requirements, refer

IS 3058 - Definitions (Clause 3.0 to 3.12)

• Clause 3.0 states that definitions in 3.1 to 3.12 apply for this standard.
• These definitions clarify terms related to fire safety equipment and installations covered by IS 3058.
• For detailed definitions, refer to clauses 3.1 through 3.12 in IS 3058.

Key Notes:

• IS 3058 references many related IS codes (Annex A, Clause 2.1) for comprehensive fire safety practices, including:
  • IS 1642: Fire safety of buildings (materials & construction)
  • IS 3844: Installation of internal fire hydrants in multistorey buildings
  • IS 2190: Portable first-aid fire extinguishers
  • IS 941: Blower and exhauster for firefighting
  • IS 3034, IS 3594: Fire safety of industrial buildings

Usage:

• Definitions ensure uniform understanding of fire safety terms.
• Refer to Annex A for related standards to complement IS 3058.

Summary Table: Relevant IS Codes for Fire Safety

For exact definitions, consult clauses 3.1 to 3.12 of IS 3058 directly.

IS 3058: Location and Site Selection – Key Points

• Site Area Requirements (Clause 5.1 & 5.2):

  • Compound area must accommodate main plant, service buildings, auxiliary plants, and open spaces for storage (charcoal, coal, sulphur).
  • Built-up plinth area ≤ 50% of total compound area to allow future expansion.

• Preferred Location (Clause 4.2):

  • Preferably in mofussil (rural) districts, outside municipal limits.
  • Close to perennial water sources (e.g., river) for operational needs.

• Gate Specifications (Clause 5.4):

  • Main and emergency gates must have:
    • Clear width ≥ 4.5 m
    • Headroom ≥ 4.5 m

Summary Table: Site and Gate Dimensions

Conceptual Layout

graph LR
    A[Perennial Water Source] --> B[Plant Site]
    B --> C[Main Plant]
    B --> D[Service Buildings]
    B --> E[Auxiliary Plants]
    B --> F[Open Storage Area]
    B --> G[Main Gate (4.5m width & height)]
    B --> H[Emergency Gate (4.5m width & height)]

Note: Ensure sufficient open space for storage and future expansion as per IS 3058 guidelines.

IS 3058 Key Specifications for Factory Compound & Building Layout

1. Main Gate Dimensions (Clause 5.4)

• Clear width: ≥ 4.5 m
• Head room: ≥ 4.5 m
• Additional gate: At least one gate with similar dimensions for emergency exit.

2. Compound Area & Layout (Clause 5.1)

• Sufficient space to house:
  • Main plant
  • Service buildings
  • Auxiliary plants
• Maintain minimum separation distances (as per detailed clause)
• Allow open space for storage of charcoal, coal, sulphur
• Provision for future plant expansion

3. Illumination Requirements (Clause 12.1)

4. Building Construction (Clause 7.1)

• Must comply with IS 1642:1989 for fire-resistant construction.

Summary Diagram: Factory Compound Layout

graph LR
A[Main Gate (4.5m width & height)] --> B[Factory Compound]
B --> C[Main Plant]
B --> D[Service Buildings]
B --> E[Auxiliary Plants]
B --> F[Storage Areas (Charcoal, Coal, Sulphur)]
B --> G[Open Spaces for Expansion]
B --> H[Additional Emergency Gate (4.5m width & height)]

Note: For detailed minimum distances between units, refer to Clause 5.1 of IS 3058.

IS 3058: Storage Arrangements - Key Points

1. Gate Dimensions (Clause 5.4)

• Main gate and additional gate:
  • Minimum clear width = 4.5 m
  • Minimum headroom = 4.5 m
• Purpose: Ensure emergency access if the main gate is blocked.

2. General Storage (Clause 6.1.1)

• Storage must comply with relevant IS codes:
  • Refer IS 3594:1989 for general material storage requirements.

3. Specific Storage Requirements

• Fuel Oil Storage (Clause 6.5): Follow guidelines in IS 3058 and related standards.
• Carbon Disulphide Storage (Clause 6.4.1): Must comply with IS 5685:1970.

Summary Table: Gate Dimensions for Factory Compound

Reference Standards for Storage:

• IS 3594:1989 — General storage of materials
• IS 5685:1970 — Storage of Carbon Disulphide
• IS 3058 — Fuel oil storage and handling

flowchart LR
    A[Factory Compound] --> B[Main Gate]
    A --> C[Emergency Gate]
    B & C --> |Width & Headroom ≥ 4.5 m| D[Access for vehicles & personnel]

For detailed storage design, consult the specific IS codes mentioned for material-specific safety and structural requirements.

Key Fire Protection Specifications from IS 3058 (1990)

1. Automatic Sprinkler System (Clause 7.7)

• Plinth area limits:
  • Without compartmentation & sprinkler: ≤ 5,000 m²
  • Without compartmentation but with sprinkler: ≤ 10,000 m²
• Fire hydrant distance:
  • No point in building/compartment shall be > 30 m from a fire hydrant.
  • If >30 m, internal hydrant system is mandatory.

2. Separating Walls (Clause 2.1)

• Refer to Table 14.3 (not fully provided here) for fire-resistance ratings and construction details.

3. Referenced IS Codes for Fire Protection

Summary Table: Fire Protection Limits

Fire Hydrant System Decision Flow

flowchart TD
    A[Check building plinth area] --> B{Is area > 5,000 m²?}
    B -- No sprinkler --> C[Max area 5,000 m²]
    B -- Sprinkler installed --> D{Is area > 10,000 m²?}
    D -- Yes --> E[Compartmentation or reduce area]
    D -- No --> F[Allowed]
    C --> G[Max distance to hydrant ≤ 30 m?]
    G -- Yes --> F
    G -- No --> H[Provide internal hydrant system]

Note: For detailed fire-resistance

IS 3058 - Separating Walls (Clause 8)

• Purpose: To segregate hazardous or different functional areas (e.g., viscose, spinning, packaging, godowns) to prevent fire spread.

• Key Sections Requiring Separating Walls:

  • Viscose, spinning, after-treatment, packaging, godown sections (8.2)
  • Boiler and transformer houses adjoining rayon yarn/staple fibre plants (8.3)
  • Xanthation areas (churn rooms) separated by walls per IS 1642:1989 (8.1)

Specifications for Separating Walls:

• Compliance: Separating walls should conform to IS 1642:1989 — Fire-resisting construction for industrial buildings.

• Fire Resistance: Typically, separating walls require a minimum fire resistance period (e.g., 2-4 hours), depending on hazard classification.

• Thickness & Material:

  • Usually masonry or concrete walls
  • Thickness varies (e.g., 200-300 mm) based on fire rating and structural needs

Related Fire Safety Limits (Clause 7.7):

flowchart LR
    A[Viscose Section] ---|Separating Wall| B[Spinning Section]
    B ---|Separating Wall| C[After-treatment Section]
    C ---|Separating Wall| D[Packaging Section]
    D ---|Separating Wall| E[Godowns]
    F[Boiler House] ---|Separating Wall| G[Rayon Yarn Plant]
    H[Xanthation Area] ---|Separating Wall per IS 1642| I[Adjoining Blocks]

Summary:
Separating walls per IS 3058 must be fire-resistant, comply with IS 1642, and isolate hazardous sections to limit fire spread. Fire safety provisions like sprinkler systems and hydrant distances

IS 3058 - Key Points on Storage of Sulphur and Chemicals

1. Sulphur Storage (Clause 6.3 & 9.4)

• Location:
  • Minimum 30 m from other storage areas or structures.
  • Exception: 15 m minimum distance from carbon disulphide and sulphuric acid plants.
• Storage Type:
  • Open storage recommended, following relevant Indian Standards (e.g., IS 3097 for sulphur handling).

2. Carbon Disulphide Storage (Clause 6.4.1)

• Must comply with IS 5685:1970 for safe storage and handling.

3. General Guidelines

• Follow relevant IS codes for each chemical.
• Maintain adequate fire safety and ventilation.
• Use non-reactive, corrosion-resistant containers or storage areas.

Summary Table

graph LR
A[Sulphur Storage Area]
B[Other Storage Areas]
C[CS2 & H2SO4 Plants]

A -- 30m --> B
A -- 15m --> C

Note: Always consult the latest IS codes and local regulations for detailed safety and storage design.

IS 3058 – Process Plants and Equipment Safety: Key Points

• Clause 10.3.1 (Carbon Disulphide Plant):
  Machinery must comply with IS 5685:1970 — covers design, materials, and safety requirements specific to carbon disulphide plant machinery.

• Clause 10.2 (Boiler Plants):
  Boiler plants should follow relevant IS codes (e.g., IS 2825, IS 10496) ensuring safety in pressure vessels, steam generation, and operation.

• Clause 10.4 & 10.4.1 (Sulphuric Acid Plant):
  Machinery must comply with IS 4262:1967 — addresses corrosion-resistant materials, safe design, and operational safety for sulphuric acid plants.

• Clause 11 (Electrical Installation):
  Electrical equipment must conform to IS 732 and IS 3043 for wiring, grounding, and explosion-proof requirements in hazardous areas.

Important Specifications Summary:

General Safety Formula for Pressure Vessels (Boilers):

[ t = \frac{P \times D}{2 \times \sigma \times E + P} ]

• (t) = minimum thickness
• (P) = design pressure
• (D) = internal diameter
• (\sigma) = allowable stress
• (E) = joint efficiency

flowchart LR
    A[Process Plant] --> B[Machinery]
    B --> C{Type}
    C -->|Carbon Disulphide| D[IS 5685:1970]
    C -->|Sulphuric Acid| E[IS 4262:1967]
    C -->|Boiler| F[

IS 3058 - Electrical Installations: Key Points & References

• Clause 11.1: Electrical installations must comply with IS 1646 : 1982 – this standard covers general requirements for electrical wiring, materials, and safety.

• Clause 11.5.5: Electric wiring requires periodic inspection to ensure safety and functionality.

• Related Standards:

  • IS 4262 : 1967 – for machinery in Sulphuric acid plants.
  • IS 3034 : 1981 – for coal-fired installations.

Key Aspects from IS 1646 (Electrical Wiring)

Typical Electrical Installation Checklist

• Use correct cable size based on load (refer IS 3043 for earthing and IS 732 for cable sizing).
• Ensure proper insulation and protection against moisture and mechanical damage.
• Install switchgear and protective devices per load requirements.
• Maintain clear labeling and documentation.
• Conduct routine testing and inspection (continuity, insulation resistance).

Simplified Electrical Installation Flow

flowchart TD
    A[Design Electrical Layout] --> B[Select Wiring & Equipment per IS 1646]
    B --> C[Install Wiring & Earthing]
    C --> D[Connect Switchgear & Protective Devices]
    D --> E[Conduct Inspection & Testing]
    E --> F[Periodic Maintenance & Re-inspection]

For detailed formulas (e.g., cable sizing, voltage drop), refer IS 732 and IS 3043 alongside IS 1646.

IS 3058 - Mechanical Installations and Maintenance: Key Points

1. Maintenance of Equipment (Clause 11.5)

• Regular inspection and servicing to ensure operational reliability.
• Follow manufacturer’s guidelines and IS standards for maintenance schedules.
• Maintain records of maintenance activities for safety and compliance.

2. Relevant IS Codes for Mechanical Installations & Fire Safety

3. Specific Installation Codes

• Coal & Oil Fired Installations: Must comply with IS 3034:1981 (Clause 10.2.1 & 10.2.2).
• Fire Safety Equipments: Follow IS 941, IS 2190, IS 10658 for blowers, extinguishers, and hydrants.

4. Maintenance Best Practices

• Use IS standards as a checklist for safety and operational efficiency.
• Schedule preventive maintenance to avoid breakdowns.
• Ensure safety compliance per IS codes related to fire protection and hazardous materials.

Summary Table for Fire Safety Equipment Maintenance

flowchart TD
    A[Mechanical Equipment] --> B[Inspection]
    B --> C{Condition}
    C -->|Good| D[Continue Operation]
    C -->|Needs Repair| E[Maintenance]
    E -->

IS 3058 - Fire Fighting Arrangements: Key Points

• Clause 13.1:
  First aid fire fighting equipment and maintenance must comply with IS 2190:1979 (Portable Fire Extinguishers).

• Clause 13.5:
  Strictly follow laid down fire procedure protocols for operators and fire fighting squads.

• Clause 13.7:
  Provide large capacity dry powder fire extinguishers as per IS 10658:1983 in high fire-risk zones.

Important Specifications & References

Fire Fighting Equipment Selection (per IS 2190)

flowchart LR
    A[Fire Outbreak] --> B[Operator Alert]
    B --> C[Activate Fire Alarm]
    C --> D[Fire Fighting Squad Mobilizes]
    D --> E[Use Suitable Extinguisher]
    E --> F[Evacuate if Fire Spreads]

Summary: Follow IS 2190 for extinguisher specs, IS 10658 for dry powder types in high-risk areas, and maintain emergency lighting per IS 3058 Clause 12.2. Strict procedural adherence (Clause 13.5) is critical for safety.

IS 3058: General Safety Provisions & Housekeeping (Fire Safety)

Key Points from Clause 13.7 & 14:

• Fire Extinguishers:

  • Large capacity dry powder type extinguishers per IS 10658:1983 must be installed in high fire-risk areas.

• Fire Safety Signage:

  • Fire safety instructions and emergency orders must be displayed prominently at visible locations (Clause 14.3.6).

Additional General Safety & Housekeeping Guidelines (from Fire Safety Practices):

• Maintain clear access to fire exits and extinguishers.
• Regular cleaning of combustible dust and waste to prevent fire hazards.
• Ensure proper storage of flammable materials in designated areas.
• Conduct periodic fire drills and safety training.
• Use non-combustible materials for construction in high-risk zones.

Reference Table: Fire Extinguisher Capacity (IS 10658:1983)

flowchart LR
    A[High Fire Risk Areas] --> B[Install Dry Powder Extinguishers]
    B --> C[Capacity as per IS 10658]
    D[Fire Safety Orders] --> E[Display at Conspicuous Places]
    F[Housekeeping] --> G[Clear Access & Cleanliness]
    G --> H[Safe Storage of Flammables]

Summary: IS 3058 emphasizes dry powder extinguishers in high-risk zones and mandates visible fire safety signage, combined with good housekeeping for fire prevention.