tender for provision of area drainage at cgra mangoor hill goa under ge ( i ) ( cg ) goa ; 1 excavation in trenches, not exc 1.5m wide and not exc 1.5m in depth, for foundationetc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sqm on plan and n exc 1.5m in depthand getting out in soft / disintegrated rock and gettting out complete all as specified and directed. 2 m & lplain cement concrete 1:3:6 type c2 using 40mm graded stone aggregate for foundation & mass concrete complete all as specified and directed. 3 m & l pre - cast cement concrete 1:3:6 type c-1, ( 20mm graded stone aggregate ) block masonarywith solid blocks built in cement mortar 1:6 complete all as specified and directed. 4 m & l plain cement concrete 1:2:4 type b1 using 20mm graded stone agregrate as in surface channel and drain complete all as specified and directed. 5 m & l plain cement concrete 1:3:6 type c1 using 20mm graded stone agregrate as in coping complete all as specified and directed. 6 returning filling in including spreading, levelling , watering and well ramming n exc. 25 cm in layers ( soil ) complete all as specified and directed. 7 removal of excavated surplus ( soils ) at a distance exc. 250 m but n. exc 500 m complete all as specified and directed. 8 m & lrendering 10mm thick incement mortar 1:4 on laterite brick / pcc block masonry and concrete wall surfacesand finished even and fair complete all as specified and directed. 9 extra forming fair finish to drains and channels 45cm inner girth in cement concrete including forms, moulds, mitred / stopped ends etc complete all as specified and directed. 10 m & l reinforced concrete pipes, class np2, laid and jointed complete with collars 150mm laid in trenches and jointed incl all accessories and fittings complete all as specified and directed. 11 m & l reinforced precast cement concrete type b1, 1:2:4 using 20mm graded aggregates as in cover slabs set in cement mortar 1:4 complete all as specified and directed. 12 m & l mild steel bars 10mm dia and over, cut to-length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel annealedwire not less than 0.9 mm. complete all as specifed and directed.