Reconstruction of cross drainage across branch canal off taking at ch. 18.45 kms of main canal of SIP near W.C. - 1 at Talwaddo, Cuncolim salcete Goa.

Amount

Earthwork 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 sq.m on plan) including disposal of excavated earth lead upto 50 m and lift upto 1.5m disposed earth to be leveled and neatly dressed including providing barricading, danger lighting guarding as directed in : a) All kinds of soil

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Providing & laying cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggrt. 20 mm. nominal size) excluding cost of centering, shuttering and finishing in: a) All works upto Plinth level

Centering and shuttering including struttings, proping etc and removal of formwork in a) Foundations, footings, bases for columns and mass concrete

Providing and fixing weepholes with rigid PVC make laid in position with a required slope and level while laying pipes of approved the concrete of retaining wall, wing wall and earth retainig structure complete as directed by the Engineer in charge A) 110mm

Carriage of materials by mechanical transporting including loading, unloading and stacking to a distance of 5km i) 600 mm dia

Transportation of materials by tipper truck including loading, unloading and stacking to a distance 3km. A) Lime, building rubbish moorum, sludge moorum, excavated rock. i) Lime moorum, building rubbish

Conveying carefully from stack at site, 250m from both sides rolling and lowering into trenches, laying and jointing true to line and level, RCC spun pressure and non-pressure pipes of various classes, specials including collar and perfect linking of joint with jack to correct position including cost of jointing material in cement mortar 1:2, necessary hydraulic testing, curing of cement mortar etc. complete. Nominal diameter in mm i) 600 mm dia

Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to requried slope, watering and compacting mannuly with half tonne roller or wooden or steel rammer and as directed by Engineer - in - charge.

Providing & laying 100mm thick reinforced cement concrete canal lining with M20 design mix RMC ( Ready Mixed Concrete ) of cement content not less than 400kg/m3 laid with sensor controlled automated canal paving cylinder type machine to the required grade, level and alignment . The RMC to be manufactured with ordinary Portland Cement manufactured in fully automatic batching plant and transported to site of work intransit mixer having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work including pumping of RMC from the transit mixer to the site of laying including the cost of centering , shuttering finishing and HYSD/TMT steel reinforement of 8mm dia @ 180mm c/c both direction ,as per drawing enclosed confirming to IS 1786 of 1986 , cost of admixtures in recommended proportions as per IS : 9103 to accelerate / retard setting of concrete , improve workability without impairing strength and durability including adequate curing filling of joints with bituminous sealing compound in construction and expansion joints/groves as per IS code 3873-1978 with all lead and lift, all include as per the details specification drawing and as directed by Engineer - in - Charge complete.

minguel gomes