Page 43 - Building Regulation and Design Guidelines - Structural (Grey Code)
P. 43

SECTION: 3  GUIDELINES FOR PRE STRESSED CONCRETE WORKS (SLABS)                       SECTION: 3   GUIDELINES FOR PRE STRESSED CONCRETE WORKS (SLABS)




                          g.   Grouting material :                                                        3.2.2   REGISTRATION OF PT SPECIALIST:
                              Specialist contractor shall submit grouting mix design for approval,              The registration of PT specialist in Dubai Municipality is accepted to
                              the mix should contain: cement, water, along with shrinkage                       perform the PT activity within Trakhees jurisdiction. Accreditation of the
                              compensating materials. Minimum 28 days grout strength shall not                  PT engineer is mandatory.
                              be differed than 12 N/mm2 from the structural element concrete
                              characteristic strength.                                                    3.2.3   STORAGE OF MATERIALS
                                                                                                                Specialist contractor shall have suitable area to store the PT materials in
                                                                                                                good condition.

                                                                                                          3.2.4   METHOD STATEMENT
                                                                                                                Specialist contractor has to submit the method of statement in
                                                                                                                professional details for approval, from receiving of materials till handover
                                                                                                                the grouting and shuttering removal; this shall be included in each project
                                                                                                                submission.

                                                                                                          3.2.5   PERMISSION TO THE FIRST PROJECT
                                                                                                                For other PT systems ,specialist contractor shall submit the concept of
                                                                                                                first project for approval in principle.
                                                                                                                1.   Upon the concept approval, the specialist shall submit the detailed
                                                                                                                     design for approval, CED shall be notified in advance of the date of
                                                                                                                     executing of each slab, CED’s engineer has to take the necessary
                                                                                                                     action  to  check  and  approve  the  work  at  site  prior  to  concrete
                                                                                                                     placing.
                                                                                                                2.   After hand over the post tension work to the respected party, the
                                                                                                                     specialist contractor shall apply to the CED for final inspection.
                                                                                                                3.   Based on final inspection, CED will decide the final approval of the
                                                                                                                     specialist and the system as well.
                                                                                                                4.   All the above procedures shall be submitted to CED under the lead
                                                                                                                     consultant cover letter.














          84                                                                                                                                                     85
   38   39   40   41   42   43   44   45   46   47   48