DELTA Fire Engineering
DELTA Fire Engineering
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    • Home
    • Services
      • Fire Strategy
      • CFD
      • External Wall Fire Safety
      • Implementation Services
      • Fire Risk Assessment
      • Passive Fire Surveys
      • Building Safety Act
    • Delta Training Academy
    • About Us
    • Contact Us
    • News and Articles
    • Brochures and Marketing
  • Home
  • Services
    • Fire Strategy
    • CFD
    • External Wall Fire Safety
    • Implementation Services
    • Fire Risk Assessment
    • Passive Fire Surveys
    • Building Safety Act
  • Delta Training Academy
  • About Us
  • Contact Us
  • News and Articles
  • Brochures and Marketing

Passive Fire Surveys (Compartmentation Survey)

Delta Fire Engineering carry out detailed passive fire surveys (compartmentation surveys) of premises to assess the existing standard of construction and to identify any defects that may compromise the compartmentation strategy for the building. 


We will conduct a detailed inspection of a building’s fire-resisting elements, designed to assess whether fire compartmentation has been correctly installed, maintained, and remains fit for purpose. 


What will we look at?

  • Fire-Resisting Walls & Floors – Verifying fire-rated construction and integrity.
  • Fire Doors & Frames – Assessing installation, condition, and compliance with BS 476 & BS EN 1634.
  • Service Penetrations – Identifying any breaches in walls, ceilings, and floors where pipes, cables, or ducts pass through, ensuring fire-stopping materials are installed correctly.
  • Cavity Barriers & Fire Stopping – Checking that voids and concealed spaces have appropriate fire-resistant barriers.
  • Compartmentation Integrity – Identifying deficiencies, non-compliances, or deterioration that may compromise fire containment measures. 


Case Studies

Residential Passive Fire Survey

Commercial Passive Fire Drawings

Residential Passive Fire Survey

 Delta Fire Engineering conducted a comprehensive compartmentation survey for a high-rise residential block to assess the integrity of fire-resisting walls, floors, doors, and service penetrations. The survey was carried out to ensure compliance with the Regulatory Reform (Fire Safety) Order 2005 and Approved Document B, while addressing concerns raised in a recent Fire Risk Assessment (FRA).  Our fire engineers conducted a detailed on-site inspection, identifying breaches in compartmentation where service penetrations, fire doors, and fire-stopping measures had been compromised. Using a risk-based approach, we provided clear, actionable recommendations to restore fire separation and enhance overall fire safety. 

Residential Passive Fire Survey

Commercial Passive Fire Drawings

Residential Passive Fire Survey

 Delta Fire Engineering conducted a comprehensive compartmentation survey for a high-rise residential block in Central London to assess the integrity of fire-resisting walls, floors, doors, and service penetrations. The site had a history of fire safety concerns and our fire safety team conducted a detailed on-site inspection, identifying breaches in compartmentation where service penetrations, fire doors, and fire-stopping measures had been compromised. Using a risk-based approach, we provided clear, actionable recommendations to restore fire separation and enhance overall fire safety while being understand of the history of the building. 

Commercial Passive Fire Drawings

Commercial Passive Fire Drawings

Commercial Passive Fire Drawings

Delta Fire Engineering were engaged to provide fire engineering support with respect to a theatre located in South London. The scope of the appointment was to carry out an on-site review of the fire door provision and to produce a set of marked-up drawings detailing the minimum standard of passive fire protection (fire resisting walls and fire doors) required within the existing site. A recent fire door survey had highlighted the need for fire door replacements throughout the site, and the scope of works was intended to inform whether these works are essential to maintain appropriate standards of fire safety within the building. The building is an existing heritage site, therefore it was accepted that full compliance with modern guidance will not be achievable (nor required).

Contact The Team

If you would like to discuss your project needs please fill in the contact form and a member of the Delta Fire Engineering team will be in touch.

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