PROVN OF WIDENING OF JULIET LINK AND ALLIED WORKS AT AF STN NAL UNDER GE (AF) NAL

Demolition of Cement Concrete of any description and in any position not otherwise specifically provided for and removal the demolished material outside of MoD land complete all as specified and directed.

Earth work in any kind of soil/BM/WBM 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 material outside of MoD land complete all as specified and directed by Engineer-in-Charge.

Soil stabilization of 150 mm any type of existing 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 for 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 vib ratory roller to required 95% Maximum Dry Density. Provisions of IRC SP:89-2010 be referred to for this item complete all as specified and directed.

M & L for Laying and compacting 300 mm thick (compacted thickness) Granular Sub Base Course (GSB) in two layers of 150mm thick each (grading as per Grade V as specified Table 900-1 of MaRTH specifications for Road and Bridge works, 2013, in a single layer over compacted subgrade with nature 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

M & L for Laying for 225 mm thick (compacted thickness ) WMM laid in three layers of 75 mm each. Wet Mix Macadam (WMM) grading as pe table 400-13 of MaRTH 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 80-1 OOKN static weight and consolidating to required gradien and camber complete all as specified and directed The finished surface tolerances to be as per Table 900-1 of MaRTH specifications for Road and Bridge works 2013

Providing and Laying Dry lean Concrete (DLC) (Design Mix) of 130 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 cement 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 using 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 max imum 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.

M & L for 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 complete all as specified and directed. Note:-No additional amount to be paid for overlap

M & L for 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 complete all as specified and directed.

M & L Pavement quality concrete(PQC) of minimum 28 days field Flexural strength of 45Kg/ Sqcm or 4 .5 Mpa, aggregate gradation as per Table 3 of IRC 15 2017, coarse aggregate of clean , hard strong, dense non-porous and durable pieces of crushed stone or gravel, fine aggregates of clean natural sand or crushed stone sand or combination of both using minimum 360 kg/cum of cement with non -circular virgin synthetic fibre of 12-18 mm length, specific gravity 1.34 to 1 .39, UV stable, alkali resistant, with equivalent dia 15-40 micron, minimum melting temperature as 240 °C and minimum tensile strength of 300 Mpa and at the rate as specified by the manufacturer. PQC laid, spread and compacted with slip-form paver of minimum 7 .50 m width , including curing compound for initial green concrete, including curing and tining by Texturing cum Curing Machine complete all as specified and directed. Required surface texturing to be done as specified in Clause - 10. 1. 14 and Table 9 of IRC 15-2017. Note: Cost of non -circular virgin synthetic fibre are included in the unit rate.

M & L for Forming 25 mm width expansion joint in concrete slab for full depth of POC. Early entry saw and subsequent cutting by using diamond bit cutter of appropriate size. straight and smooth edges. Join cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil, vegetation and other debris. The joint then filled with pre-molded 25 mm thick compressible polyethylene closed cell type filler board as specified thereafter application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant Placing of closed cell medium density, crossed linked polyethylene foam backup rod of 30 mm dia, over filler board and filled with plyurethane based sealant complying with BS 5212, BS 4254 and EN-141875-2003 with minimum movement accommodation factor (MAF) of+/- 30% having minimum 10 year performance guarantee applying masked tape on the edges of joints and removing the masking tape after filling of sealant as per the method specified by the manufacture complete all as specified and directed.