Laying of interlocking tiles in the periphery of colony from Block N to Y, renovation of all the bathrooms affected due to improvement of the external sewerage line from Block N to Y, renovation of sewerage line from individual bathroom (CNO-242 P)

Earth work in excavation by manual means in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed:All kinds of soil :1 meter from cutting edge a) Trenching of Pipes

Demolishing cement concrete manually/by mechanical means includingdisposal of material within 50 meters lead as per direction of Engineer-incharge:1:4:8 or leaner mix (i/c equivalent design mix)

Surface dressing of the ground including removing vegetation and in-equalitiesnot exceeding 15 cm deep and disposal of rubbish, lead upto 50 m and lift upto1.5 m in -All kinds of soil.

Providing and laying in position cement concrete of specified grade including curing butexcluding the cost of centring and shuttering. All work upto plinth level with:1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size)

Providing and laying in position cement concrete of specified grade including curing butexcluding the cost of centring and shuttering. All work upto plinth level with:1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size)

Centering and shuttering including strutting, propping etc. and removal of form for:5.9.1 Foundations, footings, bases of columns etc. for mass concrete.

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement: 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5coarse sand (zone- III) : 3 graded stone aggregate 20 mm nominalsize), foundation concrete 1:4:8 mix (1 cement : 4 coarsesand (zone- III): 8 graded stone aggregate 40 mm nominal size),inside plastering 12 mmthick with cement mortar 1:3 (1 cement : 3coarse sand) finished withfloating coat of neat cement and making channels in cement concrete1:2:4 (1 cement : 2 coarse sand : 4graded stone aggregate 20 mm nominal size) finished with a floatingcoat of neat cement complete as perstandard design 20.7.1 Inside size 90x80 cm and 45 cm deep including C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover and frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg) : 20.7.1.1 With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Providing and fixing on wall face un-plasticized Rigid PVC rain waterpipes conforming to IS: 13592 Type A including jointing with seal ringconforming to IS: 5382 leaving 10 mm gap for thermal expansion. (i) Single socketed pipes 110 mm diametre i) N and Y block

Providing and fixing 150 mm Rigid PC pipes including jointing with seal ring conforming to IS:5382 leavung 10 mm gap for expansion Trench pipes :-i) N and Y block

Repair to existing damaged manholes by way of labour and material complete