Drainage Works Tenders

Forming embankments from available earth including raising (or lowering) earth spreading in layers n exc. 30 cm thick, levelling, watering and well ramming. Each layer to be compacted using Soil Compactor (Vibratory Roller 10-12 tonnes) to achieve dry density to 95% of Modified Maximum Proctor Density as per IS 2720 Part VII complete all as specified & directed. Note :-(a) The formation levels for the embankment shall be prepared considering a uniform transverse slope of 1% from the centerline/edge of the existing carriageway. The contractor shall ensure that the final compacted surface strictly follows the designed slope to facilitate proper drainage. (b)Before Commecent of work OGL Survey to be carried out by the contractor as approx.area 33800 sqm at 5mx5m interval and Levels be recorded jointly by Engr-in-Charge/JE and Contractor using Auto level/Total station. Any rework due to incorrect levels or improper slope shall be corrected by the contractor at his own cost. (c) All survey, level taking, setting out, and alignment works required for embankment formation shall be carried out entirely at the contractor’s own cost. No extra payment shall be entertained for any survey-related activity.

M&L Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever required complete.

Providing and laying at or near ground level factory made Kerb stone of M-25 grade cement in position to required line, level and curvature jointed with cement mortar 1:3(1 cement:3 course sand) including making joints with or without grooves( thickness of joints except at sharp curve shall not to more then 5mm) including drainage opening wherever required.

Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 10 stiffened with M.S angles of size 25mm X 25mm X 3mm laid over silver Oak (C.W) joists of size 10cm X 6.5cm (spaced at about 90cm c/c )and supported dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed - 10 m 2 (P & D)Data 38 -side wall (drainage)

Laying at or near ground level old kerb stones of all types in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints, except at sharp curve, shall not be more than 5 mm), including making drainage opening wherever required etc. complete as per direction of Engineer-in-charge. (Length of finished kerb edging shall be measured for payment). (Old kerb stones shall be supplied by the department free of cost)

Providing and fixing drainage chamber cover made of 8mm thick G.I pipe with 65 x 65 x 8mm G.I angle frame including cutting, welding, griding fixing in position transportation, labour consumables completed as directed.