ADDN /ALTN TO TAXI TRACK AT AF STN SIRSA UNDER GE (AF) SIRSA

Material and labour for Excavating over areas, n exc 1.5 m deep and getting out in soft/loose soil, for foundations and getting out in soft loose soil, complete all as specified and as directed by Engr-in-Charge.

Rolling and consolidating formation surfaces in cutting by 8 to 10 ton power roller complete all as specified and as directed by Engr-in-Charge.

Material and labour for Soil stabilization of 150 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 complete all as specified and as directed by Engr-in-Charge. Note: Additive required for the item is deemed to be inclusive of rate quoted by bidder. Decision of GE regarding Qty of additive to be mixed shall be final and binding.

Material and labour for Laying and compacting 200 mm thick (compacted thickness) Granular Sub Base Course (GSB) grading as per Grade V as specified Table 900-1 of MORTH 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 shall be mechanically mixed, spread and levelled on the subgrade by using motor grader of adequate capacity, and rolling with vibratory roller of capacity 80-100 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 MoRTH specifications for Road and Bridge works, 2013. complete all as specified and as directed by Engr-in-Charge.

Material and labour Laying and compacting 75 mm thick (compacted thickness) Wet Mix Macadam (WMM) 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 wate to a dense mass, spreading with sensor paver and rolling with vibratory roller of capacity 80-100 KN 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 MoRTH specifications for Road and Bridge works 2013 complete all as specified and as directed by Engr-in-Charge.

Material and labour for 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 cemen 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 o 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 complete all as specified and as directed by Engr-in-Charge.

Material and labour for Supplying and laying 400 micron thick HDPE sheet (Virgin Quality) water proof, wrinkle free withou puncture having minimum weight 390 gm/Sqm above tack coat cushion as specified in the design with overlap between adjacent strips and transverse joints shall be minimum 300mm. complete all as specified and as directed by Engr-in-Charge.

Material and labour 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 as specified and directed by Engr-in-Charge. Note:- No additionaI amount to be paid for overlap and rate quoted by bidder is deemed to be inclusive of sand reuired for overlapping.

Material and labour for 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 o gravel, fine aggregates of clean natural sand o 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 and tining by Texturing cum Curing Machine complete all as specified and directed by Engr-in-Charge. Required surface texturing to be done as specified in Clause.

Material and labour for Forming 25 mm width expansion joint in concrete slab for full depth of PQC. 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 join 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 polyurethane based sealant complying with BS5212, 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 as specified and directed by Engr-in-Charge. Note: The rate quoted by bidder is deemed to be inclusive of sealant, filler board etc any other material required for the item.