Construction of 5 Nos Septic Tank (Anaerobic System and Constructed Wet Land) at Kavaratti

Amount

Surface dressing of the ground including removing vegetation and in equalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m. All kinds of soil

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 lift upto 1.5 m, as directed by Engineer-incharge. All kinds of soil

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:2:4 (1 cement : 2 Metal and : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

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

Providing, hoisting and fixing above plinth level up to floor five level precast reinforced cement concrete work in string courses, bands, copings, bed plates, anchor blocks, plain window sills and the like, including the cost of required centering, shuttering but , excluding cost of reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.Cold twisted bars

Providing and laying factory made Precast concrete solid blocks of 200 mm thickness of grade M10 made of C&D waste from approved manufacturer in foundation and plinth in:Cement mortar 1:6 (1 cement : 6 coarse sand)

Providing and laying half block masonry with factory made Precast concrete solid blocks of 100 mm thickness of grade M10 made of C&D waste from approved manufacturer in foundation and plinth in:Cement mortar 1:4(1 cement : 4 coarse sand)

15 mm cement plaster on rough side of single or half brick wall finished with a floating coat of neat cement of mix :1:3 (1 cement: 3 fine sand)

12 mm cement plaster of mix :1:6 (1 cement: 6 fine sand)

Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement and making necessary channels for the drain etc. complete. For pipes 100 to 250 mm diameter

Providing, lowering, laying and placing in position, filter media of required gradation, shapes and sizes with all leads and lifts involved including transportation of materials to site of works, screening as gradation provided in specifications and washing of maerials and placing in position with given section, including all aplicable taxes etc. complete, as directed by Engineer in charge. (a) 25-40 mm washed gravel

12-25 mm washed gravel

2-6 mm washed gravel

Providing,laying and P.V.C pipes grade "A" with stiff mixture of 1:3 (1 cemenr 3 metal sand) including testing of joints etc. complete. (a) 110 mm diametre

63 mm diametre

Providing and laying Non floating recycled HDPE/ PP pipe 110 mm dia etc. complete.

SAMEER RIYAS (BID ID -9992)