Page 31 - SMM2 eBOOK
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F.2 Classification of size
1. Where the thickness is reqUired to be stated in accordance with this clause, the
classification shall be in one of the following categories:
Not exceeding 100mm
100mm-150mm
150mm-300mm
exceeding 300mm
2. The stated thickness of walls, beds and slabs shall exclude projections or recesses of any
kind. For coffered or troughed slabs see clause F.3.10.
F.3 Concrete categories
1. All members, unless otherwise stated, shall be given in cubic metres and described in the
categories set out in clause F.3.2-21.
2. Foundations in trenches, which shall be deemed to include column or pier bases which
are not isolated.
3. Isolated foundation bases to columns and piers, stating the number.
4. Casings to steel grillages, stating the number.
5. Ground beams.
6. Casings to steel ground beams.
7. Pile caps, stating the number.
8. Beds, which shall be deemed to include thickening but to exclude upstands, stating the
thickness as clause F.2.1. Beds forming roads, footpaths and pavings shall each be so
described.
9. Suspended slabs, which shall be deemed to include thickenings but to exclude upstands,
stating the thickness as clause F.2.1.
10. Coffered or troughed slabs shall be given separately and so descfibed, stating the overall
thickness as clause F.2.1. The volume of troughs or coffers shall be deducted. Solid
concrete not exceeding SOOmm wide to ribs or margins of troughed or coffered slabs
shall be deemed to be included with the items but similar work over 500mm wide shall be
given separately in accordance with clause F.3.9.
11. Upstands, kerbs, copings, sills and the like (excluding wall and column kickers).
12. Walls which are deemed to include kickers, attached columns and pilasters, stating the
thickness as clause F.2.1. Retaining walls shall be so described and given separately.
13. Fascias, fins and the like, stating the thickness as clause F.2.1.
14. Beams, casings to steel beams, isolated beams and casings to isolated steel beams shall
each be given separately.
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