ABSTRACT

Trusses erecte d i n exces s o f 600m m centre s o r no t parallel. Ref: BS 5268: 3: Annex A Kb).

NONE

OCCASIONAL

FREQUENT

PLUMBNESS

Trusses erecte d ou t o f plum b b y mor e than 10,15 , 20 o r 25mm for a ris e of truss of 1 , 2,3 o r 4 or mor e metres respectively . Ref: BS 8000 : 5 : 3.4.2 and Table 23.