Yearly Hazard Reviews

TB203.3.2.2         Review of hazard

The effect of any changes of structure, occupancy, storage configuration, heating, lighting or equipment of a building or hazard classification or installation design shall be identified in order that the appropriate corrective action may be taken immediately.

The review shall be carried out by one of the following procedures:

  • an inspection by a competent person, for example by an engineer from a sprinkler contractor; or
  • the user shall submit a complete return to the sprinkler service contractor detailing any changes as specified in TB203.3.2.3

TB203.3.4             Yearly Routine

TB203.3.4.4         Review of Hazard

Where the quarterly review of hazard (TB203.2.2) takes the form of returns submitted by the user, at least one review per year shall be carried out by a site visit by a competent person, for example an engineer from a sprinkler servicing contractor reporting on details defined in clause TB203.3.2.3


TB203.3.2.3         Details

The entire premises should be checked thoroughly during the review of hazard which shall include the following:

  • Have any structural alterations been made since the last review which necessitates modifications to the sprinkler system (including low level office installation and partitioning relocation)?
  • Are there any new buildings, mezzanines or extensions?
  • Has there been a change of use to all or any part of the protected building?
  • Is the ambient temperature range still within acceptable limits for the design of the sprinkler system?
  • Has any painting or decoration been undertaken since the last inspection?
  • Are frost protection measures adequate?
  • Have there been any significant changes to plant or equipment (quantity and location), or changes in production?
  • Is the storage type still consistent with the sprinkler system design (i.e. free-standing storage has not changed to rack storage)?
  • Is the design of the rack sprinklers consistent with the storage category?
  • Are flues (horizontal and vertical) within the storage racks kept clear as designated by the design requirements?
  • Are minimum clearances maintained between stored items and sprinkler heads (see BS EN Clause 12.1 and 12.5.1)?
  • Has the nature of goods stored or their packaging changed? Does this alter the category of stored goods?
  • Have there been any changes to stored arrangements (plastic pallets, shelving, drum dollies, boxes or totes)?
  • Have there been any changes in storage height?
  • Where a smoke or heat detector system interacts with a sprinkler system, is a suitable maintenance contract in force?
  • Have there been any problems with the sprinkler system?
  • Have there been any alterations to the sprinkler system?