Page 30 - SMM2 eBOOK
P. 30

SECTION F




                                                CONCRETE WORK


                     In-situ concrete

               F.1   Generally

                     1.   Particulans of the following shall be given:

                          a.    Kind and quality of materials for concrete.
                          b.    Tests required of the materials.
                          c.    Tests required of the finished work.
                          d.    Mix or strength requirements of the concrete.

                     2.   Reinforced work shall be so described.

                     3.   Concrete designed to be waterproof shall be described stating the measures to be
                          adopted.

                     4.   Any requirements or restrictions as to the nature of the pour shall be given in the
                          descriptions of the work concerned.

                     5.   Concrete required to be placed by a particular method, poured at a stated speed,
                          compacted or cured in a panticular way shall each be so described.

                     6.   Concrete other than beds, poured against faces of excavation and beds laid on eanth or
                          hardcore shall each be so described.

                     7.   Beds, slabs or other members to receive a further finish to be applied while the base is in
                          an unset condition, laid to slopes not exceeding 15° from horizontal or laid to slope over
                          15° from the horizontal shall each be so described.

                     8.   Concrete shall be measured as carried out but no deduction shall be made for the
                          following:

                          a.    Volume of any steel embedded in the concrete.
                          b.    Voids due to boxed or tubular steelwork not exceeding 0.05m2 sectional area.
                          c.    Voids not exceeding 0.05m3 other than voids in soffits of troughed or coffered slabs.

                     9.   Work required to be designed by the contractor shall be given in accordance with clauses
                          F.41 - 45.

                     10.   Work of composite in-situ and precast construction shall be given in accordance with
                          clause F26.

                     11.   Prestressed in-situ concrete shall be given in accordance with clauses F.34 - 40.











                                                           27
   25   26   27   28   29   30   31   32   33   34   35