Page 27 - SMM2 eBOOK
P. 27

E.5  Piling descripfion and measurement (con t'd)

                     6.   The following items shall be given in metres as extra over the items for piling:

                          a.   Boring through rock stating the anticipated strata.
                          b.   Permanent casing stating the thickness and type.
                          c.   Placing concrete by tremie pipe which shall be   deemed to include for any
                               adjustment to concrete mix proportions required.

                     7.   In the case of pile extensions, items shall be given for:

                          a.   The total number of pile extensions.
                          b.   The total length of pile extensions given in metres classified into the following
                               ranges of pile length:

                                                 Not exceeding 3.00m
                                                 exceeding 3.00m

                     8.   The following shall be given in metres:

                          a.   Pre-boring where specifically required.
                          b.   Backfilling empty bores stating the type of backfilling matefial.
                          c.   Jetting where specifically required.
                          d.   Filling hollow piles with concrete, stating the specification of the concrete and
                               whether reinforced.
                          e.   The horizontal length of cutting interlocking piles to remove tops.

                     9.   The following shall be enumerated:

                          a.   Cutting off tops of isolated piles to required levels which shall be deemed to include
                               provision and backfilling of any working space required.
                          b.   Preparing concrete pile heads and reinforcement for capping.
                          c.   Forming enlarged bases stating their maximum diameter.
                          d.   Cutting interlocking steel piles to form holes.

               E.6   Reinforcement

                     Steel reinforcement in piles shall be given in accordance with Section F.

               E.7   Tests

                     Items shall be given for tests of piles stating the details. Provision and  maintenance of all
                     necessary equipment, instruments and record keeping shall be deemed to be included.

               E.8   Quantities

                     The quantities for piling work shall be calculated as follows:

                     a.   The specified length for pre-formed concrete, timber and steel piles shall be those which
                          the Contractor is instructed to provide. Handling, transporting and pitching each length of
                          pile shall be deemed to be included with the piling items.











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