PROVN OF HARD STANDING NEAR DISPERSAL AREA WITH ASSOCIATED E/M FITTINGS AND CERTAIN INTERNAL ROADS AT MIL STATION HALDWANI

Earth work in excavation by mechanical means (Hydraulic excavator) 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 1.5m, as directed by Engineer-in-charge.

Removing excavated material exc 250 m not exc. 500 m and depositing where directed at a level n exc. 1.5 m above the starting point

Rolling and consolidating formation surfaces in cutting using 8 to 12 tonne power roller complete all as specified and directed

M&L for Soil stabilization of 300 mm sub grade soil by uniform mixing of cement OPC 43 grade/lime/other additive@ 5% cement by weight of soil (Percentage of cement/additives for estimation purposes only Type of additive and , percentage required fo blending to be given in mix design). Item will include pulverization of soil, spreading of additive, blending mix by tractor towed rotovator, addition of water/ drying of mix to required moisture content and compaction using suitable vibratory roller to required 95 % Maximum Dry Density. Provisions of IRC SP:89-2010 be referred to for this item

Supply only Cement ordinary portland, portland pozzolana or portland slag (10 kg/sqm of soil)

Laying and compacting 300 mm thick (compacted thickness) Granular Sub Base Course (GSB) grading as per Grade V as specified Table 400-1 of MaRTH specifications for Road and Bridge works, 2013, in a single layer over compacted subgrade with natural sand , crushed gravel, crushed stone, crushed slag or combination thereof as per the grading required The materials are mechanically mixed, spread and leveling on the subgrade by using motor grader of adequate capacity, and rolling with vibratory roller of capacity 80-1 00 KN static weight for achieving required compaction density of atleast 98% of the Maximum Dry Density. Consolidating to required gradient and camber complete all as specified and directed with finished surface tolerances as per Table 900-1 of MaRTH specifications for Road and Bridge works , 2013.

Laying and compacting 150 mm thick (compacted thickness) Wet Mix Macadam (WMM) laid in two layers of 75 mm each grading as per table 400-13 of MORTH specifications for Road and Bridge works 2013 manufactured in WMM plant material comprising of clean, crushed, graded aggregate and granular material premixed with water to a dense mass , spreading with sensor paver and rolling with vibratory roller of capacity 80-100 KN static weight and consolidating to required gradient and camber complete all as specified and directed. The finished surface tolerances to be as per Table 900-1 of MORTH specifications for Road and Bridge works 2013

Providing and Laying Dry lean Concrete (DLC) 150 mm thick of aggregate gradation as per Table 1 of SP 49 :2014 having 7 day average compressive strength not less than 7 MPa Minimum cemeny content not less than 140 Kg/Cum DLC mixed in Batching Plant, transported to site and laid by electronic sensor paver including spreading and compacting usign high amplitude tamping bars of paver (initial compaction) further by double drum smooth wheeled vibratory rollers with 80-100 KN static weight to achieve minimum dry density not less than 98% of maximum Dry Density, necessary finishing etc complete all as specified and tolerances to be as per Table 900-1 of MORTH specifications for Road and Bridge work 2013

Supplying and laying 400 micron thick HDPE sheet (Virgin Quality) water proof, wrinkle free without puncture having minimum weight 390 gm/Sqm over tack coat/sand cushion as specified in the design with overlap between adjacent strips and at transverse joints as minimum 300mm.

10 mm thick sand cushion with clean river sand duly clear of residual , organic and deleterious materials spread evenly to uniform thickness laid over DLC layer as specified and directed . (No additionaI amount to be paid for overlap)