BANGLADESH POWER DEVELOPMENT BOARD TENDER ... - BPDB

(5) Glazed Ceramic TilingGlazed ceramic wall tiles shall be of nominal size 100 mm x 100 mm x 5 mm,colour to be selected. Fittings shall be obtained from a supplier approved by theBoard. The ceramic tile fixing and grouting materials shall be obtained from thesame source.The Contractor shall ensure that the rendering is accurately formed and has atrue plumb surface which is free from all high spots and depressions.The rendered backing for tiling shall be cleaned and will be wetted (just enoughto prevent it from absorbing water from the fixing bed) immediately prior to tiling.All tiles shall be dipped in water to ensure that they are completely clean prior tofixing. All tiles shall be immersed in water in clean containers for at least half anhour before use. Tiles shall then be stacked lightly together on a clean surfaces todrain with the end tiles, turned glaze outwards. They shall be fixed as soon as allsurfaces water has evaporated they must not be allowed to dry out more thanthis.Approximately two days after the fixing of the tiles, all joints shall be pointed withneat white grouting cement; the finish shall be flushed and free from all voids andirregularities.All wall faces shall be finished plumb and flush throughout free from unevennessand irregularities of plain; all angles shall be straight and true. The finished workshall be left clean and free from all materials, which will scratch or in any wayimpair the finished work. Final polishing shall be done with a dry cloth. TheContractor shall be responsible for the adequate protection of the tiling from alldamage until the handling over. Any damage which does occur shall be madegood by the Contractor at his own expense. The whole of the work shall be left ina state satisfactory to the Board.(6) Suspended CeilingMaterials, samples and drawings showing details of construction of all types ofceiling required shall be submitted to the Board for approval.Appropriate size of aluminium tees shall be grided to the module of standardpanels to accommodate acoustic boards, or approved equivalent, the odd sizepanels at perimeter shall then be arranged to equal dimension.Fixing of hanger to beams, floor slab and soffits must be capable of carrying theload of ceiling boards and ventilation grill should be supported from thestrengthened aluminium tee grids.(7) Gypsum Board PartitionsGypsum panels shall be 1000 mm wide by 12 mm thick obtained from an approvedmanufacturer.The stud partition shall be extended from floor to ceiling with variation in heightsGhorasal 200 MW to 300 MW Gas Turbine Peaking Power Plant Project (Vol-2 of 3)205