Power Transmission Corporation Of Uttarakhand Limited Tender

(A) False ceiling work

Safe and proper dismantling of old and damaged false ceiling alongwith all the support structures, metal pipes and angles, fasteners, hinges, truss elements, old wiring, pipes, electrical installations, illuminiaries and its carraige and stacking in the store including cost of all labour and T&P complete in all respect as per the direction of engineer incharge.

Construction of false ceiling for control room building by supply and erection of high purity natural gypsum plasterboard of following specifications alongwith all the accessories i.e. main support structures, angle, hanging wires, hooks and hinges, role pluck etc. including dismantling of existing illumination fixtures, ceiling fans and fixing/refixing of all existing and new lumanaries, ceiling fans after extension of vertical length etc. including all labour and T&P complete in all respect as per the direction of engineer incharge. (a) Size of gypsum plasterboards should be 2'x2' (b) Gypsum board should be tapered edge board covered with ivory cardboard on face side and aluminium foil insulation on back side and should be designed for direct attachment by screws, nails or adhesive to wood or metal framing and even existing surfaces. (c) Gypsum plaster board should be produced as per IS 2095-Part I, 2011 (d) Gypsum plaster board should be fire resistance (1 Hour) with fire resistance class 1(BS 476) (e) Standard thickness of the gypsum plasterboard should be 7.5 to 8.0 mm (f) Humidity resistance (%RH) should be 99 (g) Thermal conductivity (W/mk) should be 0.16 (h) Water absorption below 10% as per standard EN-520 T ASTM C 1396 (i) Breaking strength of gypsum plasterboard should be according to pass EN-520 T ASTM C 1396