tender for earth work in excavation by mechanical means (hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and for all lift, as directed by engineer-in-charge. all kinds of soil , close timbering in trenches including strutting, shoring and packing cavities (wherever required) complete. (measurements to be taken of the face area timbered). depth exceeding 1.5 m but not exceeding 3 m , centering and shuttering including strutting, propping etc. and removal of form for foundations, footings, bases of columns, etc. for mass concrete , providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level : 1:5:10 (1 cement : 5 coarse sand (zone-ill) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources) , steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. in gratings, frames, guard bar, ladder, railings, brackets, gates and similar works thermo-mechanically treated bars of grade fe-500d or more. , providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - all work up to plinth level : 1:1.5:3 (1 cement : 1.5 coarse sand (zone-ill) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) , disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved. , providing, fabricating, supplying, installing, testing and commissioning of wall-mounted vertical slide penstock gate valve of opening size 900 mm (height) × 1500 mm (width), manufactured from stainless steel grade ss-304, complete with four-side (4-way) water-tight sealing arrangement using epdm / neoprene rubber seals, suitable for open drain / storm water application, including stainless steel gate, frame, spindle, thrust nut housing, non-rising spindle with manually operated hand wheel, guide rollers, corrosion-resistant fasteners, anchor bolts, grouting, proper alignment, embedding / bolting to reinforced cement concrete wall, waterproof sealing at interface, all complete as per approved drawings, manufacturers specifications and directions of engineer-in-charge.