Construction Work of Pipe Line Milan in Jankpuri from Rajrajeshwari Garden to Nahar, Adityapuram, Zone No. 08, Ward No. 18. File No.365/26X3/6

Demolishing cement concrete manually/ by mechanical means including disposal of material within50meters lead as perdirection of Engineer-in-charge. 1:3:6 or richer mix

Earth work in excavation for foundation, trenches for pipes/cables or drains etc. by mechanical means/manual means (exceeding 30cm in depth.) including ramming of bottom, dressing of sides, disposal of excavated earth including of all lift and lead upto 50m. Disposed earth to be levelled and neatly dressed.

Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam confirming to provisions of Section 406 of specifications including premixing the material with water at OMC in mechanical mix plant, carriage of mixed material by tipper to site, laying in uniform layers with paver in sub- base/base course on well-prepared surface and compacting with vibratory roller to achieve the desired density

4.1 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering All work up to plinth level. Cement concrete grade M-10 (Nominal Mix) with 40 mm maximum size of stone aggregate

Providing and laying non-pressure NP3 class (Medium duty) cement concrete Hume pipes for service ducts below concrete pavement or other similar work, collar jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement: 2 fine sand). Size 450 mm dia. meter RM

6.4 Providing and Laying Cement Concrete Grade M-20 with 20 mm graded crushed stone aggregate, mixing shall be in mechanical mixer, laying with paver compacting by use of pin, plate / screed vibrators including form work by strong steel girders fixed by spikes, separation membrane 125 micron thick, including cutting of joints @ 4 to 5 m interval and filling it with hot applied bituminous sealant (without dowel bars) (max. thickness 20 cm).

Construction of circular type manhole 900 mm internal dia. at bottom, 560 mm dia at top, depth of manhole 900 mm, common Burnt Clay Bricks or fly ash bricks of compressive strength not less than 75 Kgf/ cm2 with 1:4 cement mortar (1 cement : 4 coarse sand), inside & outside plastering minimum 12 mm thick with cement mortar 1:3 (1 cement:3 coarse sand) finished with a floating coat of neat cement. 20 cm thick foundation in cement concrete 1:3:6 (Nominal Mix) with stone aggregate 40mm nominal size, and making channel in cement concrete 1:2:4 (Nominal Mix) with stone aggregate 20mm nominal size including finishing the channel to shape, including providing and fixing footrest, manhole cover and frame etc. complete. (only excavation as per actual shall be paid separately) fixing of heavy duty (HD-20) SFRC cover and frame as per IS 12592 fixed in Cement concrete 1:2:4 (nominal mix) with stone aggregate 20mm nominal size including centering and shuttering etc. complete as per standard drawing. Depth of manhole shall be considered as the vertical distance from top of the manhole cover to the outgoing invert of main drain channel. (as per Drawing No. - 13-A

Construction of circular type manhole 1200 mm internal dia. at bottom, 560 mm dia at top, depth of manhole 1660 mm, common Burnt Clay Bricks or fly ash bricks of compressive strength not less than 75 Kgf/ cm2 with 1:4 cement mortar (1 cement : 4 coarse sand), inside & outside plastering minimum 12 mm thick Cement plaster 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement, 25 cm thick foundation in cement concrete 1:3:6 (Nominal Mix) with stone aggregate 40mm nominal size, and making channel in cement concrete 1:2:4 (Nominal Mix) with stone aggregate 20mm nominal size including finishing the channel to shape, including providing and fixing footrest, manhole cover and frame etc. complete. (only excavation as per actual shall be paid separately) fixing of heavy duty (HD-20) SFRC cover and frame as per IS 12592 fixed in Cement concrete 1:2:4 (nominal mix) with stone aggregate 20mm nominal size including centering and shuttering etc. complete as per standard drawing. Depth of manhole shall be considered as the vertical distance from top of the manhole cover to the outgoing invert of main drain channel. (as per Drawing No. - 13-B)

Structural steel work in single section fixed with or without connecting plate including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Extra for increasing depth of manhole mentioned at Item No. 17.5 above 1660 mm and up to 2300 mm . (only excavation as per actual shall be paid separately)