Laying R.C.C Pipeline for dewatering of flood water from low lying area of fields of Village Dimana, Chuliana and Dighal into KCB Drain at RD 111500-L.

Amount

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 up to 50 m and lift up to 1.5 m, as directed by Engineer-in-charge All kinds of soil (HSR Item No. 4.12 ).

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work below plinth level and up to Floor IV level: 1:3:6 (1 Cement : 3 coarse sand (zone-Ill): 6 graded cum stone aggregate 40 mm nominal size) (HSR Item No. 6.1.5)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work below plinth level and up to Floor IV level: 1:2:4 (1 cement : 2 coarse sand (zone-Ill) : 4 graded cum stone aggregate 20 mm nominal size)) (HSR Item No. 6.1.2)

Brick Masonry Work in Cement Mortar 1 :3 in Foundation complete excluding Pointing and Plastering, as per Drawing and Technical Specifications MORT&H clause 1300 Cement Mortar 1 :3 (1 cement : 3 sand) (HSR Item No. 15.6.1)

10 mm cement plaster of mix : 1:4 (1 cement: 4 fine sand) (HSR Item No. 11.5.3)

Providing lowering cutting jointing and testing RCC pipe class NP 3 as per 18-458-2003 with spigot & socketed joints manufactured with ISi marked sulphate resistance cement as per ISi 12330 with rubber rings ISi marked antiternmite as required at site in to trenches for all depths and laying out the same to correct alignment gradients and levels including dressing and trimming and cutting of concrete beds and side of trenches, if required jointing with rubber rings in trenches and jointing with 1: 3/2 cement sand mortar and with end dowels filled with 1: 3/2. cement sand mortar and finishing the joints at an angle of 45 degree with faces of spigot of socket joints cutting and finishing the cut surface to a uniform finish etc. as fully described in item No . 21.38, item 21.44, item 21.45, & item 21.46 including cartage loading and unloading complete in all respects. the internal diametric of the sewer being: 900mm (HSR Item No. 21.95.8)

Lalit Kumar