Annual maintenance of Mekkad, Thuruthikkara,Neduvannoor and Kaithakattuchira L ISchemes for 2020-21 including cleaning of suction pit and canals

Amount

2.32 : Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared etc complete as per the direction of departmetal officers at site

2.6.1 : Earth work excavation in all classes of soil 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 disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed etc complete as per the direction of departmental officers at site

2.1.1 : Earth work in surface excavation in all kinds of soil not exceeding 30 cm in depth but exceeding 1.5m in width as well as 10 sqm on plan including disposal of excavated earth up to 50 m and lift up to 1.5 m, disposed soil to be levelled and neatly dressed etc complete as per the direction of departmental officers at site

od8589/2020_2021/IA : Leak rectification work in 315mm (6kg/cm2) PVC pipe line including detecting and locating leak, earth work excavation in all classes soil for the exposing leak portion of the pipe cutting the pipe diametrically perpendicular to the axis of pipe line withoutcausing any damages to the balance portion,dismantling and lifting the pipe from trenchessmoothening the cut ends overing the new pipes and lowering new pipe into the trenches placingin position,alignning the pipe to line and level and jointing the new oipe with the existing pipe with cement solvent cement or repairable joint and testing the pipe line by operating nthe valvesconcerned ,and rectifing the defects if noticed anfd refilling the trenches in layaersnot exceeding 20cm in depth including consolidating each layers by ramming,watering,charges for removing surplussoil from work site without causing any ndamage to the existing utilities including hire of tooland plant,conveyance of tools and materials, bailing out water providing caution boardsribbon fencing etc complete as per direction of deptl. Officer at site including the cost of pipe and CIDjoints

4.1.8 : Providing and laying in position cement concrete of specified grade 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40mm nominal size) excluding the cost of centering and shuttering - All work up to plinth level etc complete as per the direction of departmental officers at site

4.1.6 : Providing and laying in position cement concrete of specified grade 1:3:6 ( 1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) excluding the cost of centering and shuttering - All work up to plinth level etc complete as per the direction of departmental officers at site

4.1.5 : Providing and laying in position cement concrete of specified grade 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) excluding the cost of centering and shuttering - All work up to plinth level etc complete as per the direction of departmental officers at site

4.3.1 : Centering and shuttering including strutting, propping etc. and removal of form work etc complete as per the direction of departmental officers at site

5.22.6 : Steel reinforcement for R.C.C work sing Thermo - Mechanically Treated bars of grade Fe-500D or more including straightening, cutting, bending, placing in position and binding all complete upto plinth level etc complete as per the direction of departmental officers at site

50.6.2.1 : Solid block masonry using pre cast solid blocks (Factory made) of size 30x20x15 cm or nearest available size confirming to IS 2185 part I of 1979 for foundation and plinth with thickness 15cm in: CM 1:6 ( 1 cement :6 coarse sand) eetc complete as per the direction of departmental officers at site

10.2 : Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer etc complete as per the direction of departmental officers at site

od31117/2020_2021/IA : Supplying and providing plastic mesh 25x25x2mm for trashrack to fixing GI pipe frames including cost and conveyance of all materials and labour charges etc complete as per the direction of departmental officers at site

13.1.1 : Providing and laying 12 mm thick cement plaster of mix:1:4 ( 1 cement : 4 fine sand)etc complete as per the direction of departmental officers at site

15.2.2 : Demolishing cement concrete nominal concrete 1:4:8 leaner mix ( including equivalent design mix) manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Chargeetc complete as per the direction of departmental officers at site

4.1.3 : Providing and laying in position cement concrete of specified grade 1:2:4 (cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) excluding the cost of centering and shuttering - All work up to plinth level etc complete as per the direction of departmental officers at site

13.16.1 : Providing and laying 6 mm thick cement plaster of mix:1:3 ( 1 cement : 3 fine sand)etc complete as per the direction of departmental officers at site

DAISY JOSE