PROVISION OF SIDE RAMP AND REPAIR TO PAVEMENT JOINTS OF HANGER AT ARAMBHADA UNDER GE (I) CG PORBANDAR

Surface dressing not exceeding 15 cm deep in soft/loose soil, complete all as specified and directed by Engineer in charge.

Excavation over area in hard/dense soil not exceeding 1.50 Metre depth and getting out, complete all as specified and directed by Engineer in charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm, complete all as specified and directed by Engineer in charge.

Removing excavated material not exceeding 50 Metre and depositing where directed at a level not exceeding 1.5 Metre above the starting point, complete all as specified and directed by Engineer in charge.

Material & Labour for Providing Plain Cement concrete type C-2, 1 : 3 : 6 (using 40mm graded stone aggregate) as in foundations, filling and mass concrete PCC in fdn, complete all as specified and directed by Engineer in charge.

Material & Labour for Mild steel CRS TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips, complete all as specified and directed by Engineer in charge.

Material & Labour for Mild steel CRS TMT bars 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips, complete all as specified and directed by Engineer in charge.

Formwork to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter rough finished flat surfaces, complete all as specified and directed by Engineer in charge.

Formwork to face of wall, Retaining wall and similar work including attached pillasters buttress etc vertical or to batter for rough finished surfaces of concrete, complete all as specified and directed by Engineer in charge.

Material & Labour for RCC, M-30 (Design Mix) (Using 20mm graded stone aggregate) as in foundations, including rafts, footings, foundation beams; plinth beams; bases for columns, etc.; basement slabs, under-reamed piles and mass concrete, complete all as specified and directed by Engineer in charge.

Material & Labour for RCC, M-30 (Design Mix) (Using 20mm graded stone aggregate) as in walls, retaining, basement walls and the like any thickness, complete all as specified and directed by Engineer in charge.

Laying and compacting 150mm thick (compacted thickness) Granular Sub Base Course (GSB) grading as per Grade I as specified Table 400-1 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 are mechanically mixed, spread and levelling 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 at least 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 directed by Engineer in charge.

Material & labour for Providing and Laying Dry lean Concrete (DLC) 150mm 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 maximum Dry Density, necessary finishing etc complete all as specified and tolerances to be as per Table 900-1 of MoRTH specifications Road and Bridge work 2013, complete all as specified and directed by Engineer in charge.

Material & Labour for 10mm 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 additional amount to be paid for overlap), complete all as specified and directed by Engineer in charge.

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 by Engineer in charge.

Pavement quality concrete(PQC) of minimum 28 days field Flexural strength of 45 Kg/ 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 12-18mm 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 Metre width, including curing and tinning 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, complete all as specified and directed by Engineer in charge. Note:- As per actual design report higher cement content should be consider. no price adjustment should be allowed for cement content.

Forming 25mm width expansion joint in concrete slab for full depth of PQC. Early entry saw and subsequent cutting by using diamond bit cutter 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-moulded 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 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 by Engineer in charge.

Material & Labour for Forming dummy/contraction joint with an initial saw cut Forming dummy/contraction joint with an initial saw cut of 3mm soon after the concrete has set, upto a depth of 1/3rd to 1 /4th the thickness of the slab, widening the first saw cut to 6mm and 24mm deep by using diamond bit cutter of appropriate size, straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil vegetation and other debris. 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 8mm dia application of bond breaker tape on top of back up rod for complete width of the joint and filled with polyurethane based sealant complying with BS521 , 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 manufacturer, complete all as specified and directed by Engineer in charge.

Supply only polyester triangular fibres as secondary reinforcement in all types of concrete and mortars, complete all as specified and directed by Engineer in charge.

Demolition of cement concrete un-reinforced in ground floor and paving not exceeding 15cm thick (below or above ground level), complete all as specified and directed by Engineer in charge.

Please Enable Macros to View BoQ information