Appendix C: Methods of measurement

  1. Some form of measurement is an integral part of many of the provisions in this document. Diagram C1 shows how the height of the top storey should be measured.
Table C1 - Height of top storey in building Table C1 - Height of top storey in building

  • Diagram1- Means of escape form dwellinghouses Diagram1 - Means of escape form dwellinghouses
  • Diagram 2 - Alternative arrangements for final exits Diagram 2 - Alternative arrangements for final exits
  • Diagram 3 - Fire separation in houses with more than one floor over 4.5m above ground level Diagram 3 - Fire separation in houses with more than one floor over 4.5m above ground level
  • Diagram 4 - Ground or basement storey exit into an enclosed space Diagram 4 - Ground or basement storey exit into an enclosed space.
  • Diagram 5 - Gallery floors with no alternative exit
  • Diagram 6 - Alternative cavity barrier arrangements in roof space over protected stairway in a house with a floor more than 4.5m above ground level Diagram 6 - Alternative cavity barrier arrangements in roof space over protected stairway in a house with a floor more than 4.5m above ground level
  • Diagram 7 - Fire resistance of areas adjacent to external stairs Diagram 7 - Fire resistance of areas adjacent to external stairs
  • Diagram 8 - Lighting diffuser in relation to ceiling Diagram 8 - Lighting diffuser in relation to ceiling
  • Diagram 9 - Layout restrictions on Class 3 plastice rooflights, TP(b) rooflights and TP(b) lighting diffusers Diagram 9 - Layout restrictions on Class 3 plastice rooflights, TP(b) rooflights and TP(b) lighting diffusers
  • Diagram 10 - Separation between garage and dwellinghouse Diagram 10 - Separation between garage and dwellinghouse
  • Diagram 11 - Junction of compartment wall with roof Diagram 11 - Junction of compartment wall with roof
  • Diagram 12 - Interrupting concealed spaces (cavities) Diagram 12 - Interrupting concealed spaces (cavities)
  • Diagram 13 - Cavity walls excluded from provisions for cavity barriers Diagram 13 - Cavity walls excluded from provisions for cavity barriers
  • Diagram 14 - Pipes penetrating structure Diagram 14 - Pipes penetrating structure
  • Diagram 15 - Enclosure for drainage or water supply pipes Diagram 15 - Enclosure for drainage or water supply pipes
  • Diagram 16 - Fules penetrating compartment walls or floors Diagram 16 - Fules penetrating compartment walls or floors
  • Diagram 17 - Relevant boundary Diagram 17 - Relevant boundary
  • Diagram 18 - Notional boundary Diagram 18 - Notional boundary
  • Diagram 19 - Status of combustible surface material as unprotected area Diagram 19 - Status of combustible surface material as unprotected area
  • Diagram 20 - Unprotected areas which may be disregarded in assessing the separation distances from the boundry Diagram 20 - Unprotected areas which may be disregarded in assessing the separation distances from the boundry
  • Diagram 21 - The effect of a conopy on separation distance Diagram 21 - The effect of a conopy on separation distance
  • Diagram 22 - Permitted unprotected areas for Method 1 Diagram 22 - Permitted unprotected areas for Method 1
  • Diagram 23 - Limitations on spacing and size of plastic rooflights having a Class 3 (National class) or Class D-s3, d2 (European class) or TP(b) lower surface Diagram 23 - Limitations on spacing and size of plastic rooflights having a Class 3 (National class) or Class D-s3, d2 (European class) or TP(b) lower surface
  • Diagram 24 - Turning facilities Diagram 24 - Turning Facilities
  • Table 1 - Classification of linings Table 1 - Classification of linings
  • Table 3 - Maximum nominal internal diameter of pipes passing through a fire separating element Table 3 - Maximum nominal internal diameter of pipes passing through a fire separating element
  • Table 3 - Maximum nominal internal diameter of pipes passing through a fire separating element Table 3 - Maximum nominal internal diameter of pipes passing through a fire separating element
  • Table 4 - Permitted unprotected areas for Method 2 Table 4 - Permitted unprotected areas for Method 2
  • Table 5 - Limitations on rood coverings Table 5 - Limitations on rood coverings
  • Table 6- Class 3 (National class) or Class D-s3, d2 (eurpean class) plstic rooflights - limitations on use and boundary distance Table 6- Class 3 (National class) or Class D-s3, d2 (eurpean class) plstic rooflights - limitations on use and boundary distance
  • Table 7 - TP (a) and TP (b) plastic rooflights- limitations on use and boundary distance Table 7 - TP (a) and TP (b) plastic rooflights- limitations on use and boundary distance
  • Table A8 - Typical performance ratings of some generic materails and products Table A8 - Typical performance ratings of some generic materails and products
  • Table A1 - Specific provisions of test for fire resistance of elements of structure etc Table A1 - Specific provisions of test for fire resistance of elements of structure etc
  • Table A1 continued Table A1 continued
  • Table A2 - Minimum periods of fire resistance for dwellinghouses Table A2 - Minimum periods of fire resistance for dwellinghouses
  • Table A3 - Limitations on fire - protecting suspended ceilings (see Table A1, Note 4) Table A3 - Limitations on fire - protecting suspended ceilings (see Table A1, Note 4)
  • Table A4 - Limitations on the use of uninsulated glazed elements on escape routes Table A4 - Limitations on the use of uninsulated glazed elements on escape routes
  • Table A5 - Notional designations of roof coverings Table A5 - Notional designations of roof coverings
  • Table A6 - Use and definitions of non-combustible materials Table A6 - Use and definitions of non-combustible materials
  • Table A7 - Use and definitions of materails of limited combustibillty Table A7 - Use and definitions of materails of limited combustibillty
  • Table A8 - Typical performance ratings of some generic materails and products Table A8 - Typical performance ratings of some generic materails and products
  • Table B1 Provision for fire doors Table B1 Provision for fire doors
  • Table  C1 - Height of top storey in building Table C1 - Height of top storey in building
  • Table D1 - Classification of Purpose Groups Table D1 - Classification of Purpose Groups