• 1 Size and proportion of residential buildings of not more than three storeys Diagram 1 Size and proportion of residential buildings of not more than three storeys
  • 2 Size and proportion of non-residential buildings and annexes Diagram 2 Size and proportion of non-residential buildings and annexes
  • 3 Determination of wall thickness Diagram 3 Determination of wall thickness
  • 4 Parapet walls - height Diagram 4 Parapet walls - height
  • 5 Maximum floor area enclosed by structural walls Diagram 5 Maximum floor area enclosed by structural walls
  • 6 Fig 1-2 - Map showing wind speeds in m per s for maximum height of buildings Diagram 6 Fig 1-2 - Map showing wind speeds in m per s for maximum height of buildings
  • 6 Fig 3 - Map showing wind speeds in m per s for maximum height of buildings Diagram 6 Fig 3 - Map showing wind speeds in m per s for maximum height of buildings
  • 7 Max height of buildings Diagram 7 Max height of buildings
  • 8 Measuring storey and wall heights Diagram 8 Measuring storey and wall heights
  • 9 Declared compressive strenght of masonry units Diagram 9 Declared compressive strength of masonry units
  • 10 Maximum span of floors Diagram 10 Maximum span of floors
  • 11 Differences in ground levels Diagram 11 Differences in ground levels
  • 12 Openings in a buttressing wall Diagram 12 Openings in a buttressing wall
  • 13 Buttressing Diagram 13 Buttressing
  • 14 Sizes of openings and recesses Diagram 14 Sizes of openings and recesses
  • 15 Lateral support by floors Diagram 15 Lateral support by floors
  • 16 Lateral support at roof level Diagram 16 Lateral support at roof level
  • 17 Size and location of openings Diagram 17 Size and location of openings
  • 18 Wall thinckness Diagram 18 Wall thinckness
  • 19 Lateral restraint at roof level Diagram 19 Lateral restraint at roof level
  • 20 Proportions for masonty chimneys Diagram 20 Proportions for masonry chimneys
  • 21 Elevation of stepped foundation Diagram 21 Elevation of stepped foundation
  • 22 Piers and chimneys Diagram 22 Piers and chimneys
  • 23 Foundation dimensions Diagram 23 Foundation dimensions
  • 24 Area at risk of collapse in the event of an accident Diagram 24 Area at risk of collapse in the event of an accident
  • Table 1 Areas at risk from house longhorn beetle Table 1 Areas at risk from house longhorn beetle
  • Table 2 Wall types considered in this section Table 2 Wall types considered in this section
  • Table 3 Minimum thickness of certain external walls, compartment Table 3 Minimum thickness of certain external walls, compartment
  • Table 4 Imposed loads Table 4 Imposed loads
  • Table 5 Cavity wall ties Table 5 Cavity wall ties
  • Table 6 Declared compressive strength of masonry units complying with BS EN 771-1 TO -5 [N PER nn SQ] Table 6 Declared compressive strength of masonry units complying with BS EN 771-1 TO -5 (N/mm SQ)
  • Table 7 Normalised compressive strength of masonry units of clay and calcium silicate blocks complying with BS EN 771-1 and 2 [Nn/mm SQ] Table 7 Normalised compressive strength of masonry units of clay and calcium silicate blocks complying with BS EN 771-1 and 2 (N/mm SQ)
  • Table 8 Value of Factor X - see Dia 14 Table 8 Value of Factor 'X' (see Dia 14)
  • Table 9 Lateral support for walls Table 9 Lateral support for walls
  • Table 10 Minimum width of strip footings Table 10 Minimum width of strip footings
  • Table 11 Building consequence Table 11 Building consequence