Presidents Secretariat Tender

Excavation work by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m.

1:5:10 (1 cement : 5 manufactured sand derived from Recycled Concrete Aggregate (RCA) : 10 graded stone aggregate 40 mm nominal size Recycled Aggregate(RA)

Providing and fixing in position, 200 mm thick factory made Expanded Polystyrene Core(EPS Core) wall panels consisting of EPS core sandwiched between two Engineered sheets of welded wire fabric mesh duly finished with shortcrete materials on outer faces. The fabric mesh shall be made of 3 mm dia G.I. wire mesh with 50mm pitch in both the directions and on both faces of the wall, kept at 120-135mm gap and connected by the zig zag G.I wire of 3 mm dia at alternate row by welding (at an angle ranging from 50-70 degree) The EPS core shall consist of 100 mm thick EPS of density not less than 20 kg/per cum. Both the outer faces of the panel shall be finished by applying the layer of 50 mm thick cement mortar 1:3(1 cement: 3 coarse sand (not having more than 40% stone chips of size upto 6mm) A with the help of shotcreting/gunting equipment etc at a pressure not less than 1 bar(100kn/m2) and both surfaces finshed with trowel. Fixing operations of wall panels shall be completed in all respect as per drawings and specifications and under the overall direction of the officer-in-charge.