1. Timber generally to be BS 1186 : Pt. 1 and to be of mature growth, properly seasoned and sawn square. Timber to be free from decay, insectdamage, wood wasp holes, large loose or dead knots, splits, ring shakes,or other defects that will reduce its strength. Pin holes and worm holes may be permitted to a slight extent in a small number of pieces subject to the acceptance of the Architect/ ID provided that there is no active infestation of the materials, that the strength of the member is not impaired and that they do not appear on stained or the finished faces of any exposed joinery work. All timber and wood veneers shall be MTIB graded “Select and Prime”.
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