Addition alteration to road from ACB Junction Vippu hill to South end of inner Jetty under WP 04B at Rambilli Near Visakhapatnam

Earth work in excavation in any type of soil by mechanical means (Hydraulic excavator) over areas (exceeding 30 cm in depth but not exceeding 1.5 m depth including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, complete all as directed by Engineer-in-Charge.

Taking out any type of soil, semi solid, liquid suspension sludge and foreign material from drain any description and any depth including pumping of water and removing and re fixing of accessories and appliances required for safe disposal of sludge and foreign materials either by carrying the same in covered van or trolley at outside MOD land complete all as directed by Eng-in-charge. Note: Unit rate shall be deemed to be included the foreign material/soil (any kind of soil) obtained from above item shall be disposed of at a distance exc. 1.5 KM but n. exc. 5.0 KM.

Removing the excavated soil to a distance exc. 1.5 KM but n. exc. 5.0 KM and depositing where directed at a level not exceeding 1.5m above the starting point at a designated place, complete all as specified and as directed by the Engineer-in-Charge.

Rolling and consolidating formation surfaces in cutting by using power road roller of 8 to 12 ton capacity, including filling soft spots, depressions etc., to required camber / gradient and watering before or during rolling, complete all as specified.

M&L for 200mm 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 are mechanically mixed, spread and leveling 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.

M&L for 150mm thick (compacted thickness) Wet Mix Macadam (WMM), laid in two layers of 75mm thick 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 80-100KN 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, complete all as specified.

M&L for 225mm thick (compacted thickness) Wet Mix Macadam (WMM), laid in three layers of 75mm thick 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 80-100KN 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, complete all as specified.

M&L fo r75mm thick (compacted thickness) Wet Mix Macadam (WMM), laid in single layer of 75mm thick 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 80-100KN 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, complete all as specified.

M&L for 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 7MPa, 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 usign high amplitude tamping bars of paver (initial compaction) further by double drum smooth wheeled vibratory rollers with 80-100KN 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. Notes: (i) Mix design shall be carried out through a government lab. (ii) In case if quantity of cement is more than the specified, no additional payment will be admissible.

M&L 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 or gravel, fine aggregates of clean natural sand or crushed stone sand or combination of both, using minimum 360kg/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, laid, spread and compacted with slip-form paver of minimum 7.50m width, 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, complete all as specified and directed. Notes: (i) Mix design shall be carried out through a government lab. (ii) In case if quantity of cement is more than the specified, no additional payment will be admissible. (iii) Deduction shall be made for expansion joints. (iv) Cost of non circular synthetic polyster fiber, texturing, belting, curing compounds and admixtures as required by design mix are deemed to be included in the rate quoted. Nothing extra shall be paid on this account.

M&L for 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 to25 x 10 mm by using diamond bit cutter of appropriate size straight and smooth edges, joint cleaned thoroughly with application of compressed air, joint made dry, vacuum cleaned and free of dirt, oil vegetation and other debris, with and including application of two coats of primer with thin brush by forward and backward movement at an interval of 30minutes before placing the backup rod and pouring the sealant, placing of closed cell, medium density, crossed linked polyethylene foam backup rod of 12 mm 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 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 manufacturer, complete as specified and directed.

M&L for Forming 20mm 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 & smooth edges, joints cleaned thoroughly with application of compressed air, joints made dry, vacuum cleaned, free of dirt, oil, vegetation and other debris, filled with pre-molded 25mm thick compressible polyethylene closed cell type filler board, application of two coats of primer with thin brush by forward & 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 30mm 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 manufacturer, complete as specified and directed.

M&L for HDPE Sheet (virgin quality) of 400 micron thickness, water proof, wrinkle free without puncture, having minimum weight 390gm/sqm, laid over tack coat/sand cushion with overlap between adjacent strips and at transverse joints minimum 300mm, complete all as specified and as directed. Notes: (i) Tack coat/sand cushion shall be measured and paid separately. (ii) Measurement shall be taken for net finished area and unit rate quoted shall deemed to include for over lapping. Make: M/s Climax Synthetics, Vadodara / M/s Swasthik Laminators Noida / M/s Mandhana Polymers

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

Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever required complete all as specified and as directed.

M&L for Precast Reinforced cement concrete (1:2:4), Type B-1, using 20 mm graded stone aggregate as in precast cover slabs, set in CM 1:6, complete all as specified and as directed. Note: Reinforcement shall be measured and paid separately.

M&L for Reinforcement using TMT CRS bars of Grade Fe–500D of 6mm to 8mm dia only, cut to length, bent to shape required including cranking, bending, spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9mm dia or securing with clips or welded complete all as specified and as directed.

Supply only 110 mm bore of pipe HDPE pipe of any length for weep hole complete all as specified and as directed.

M&L for Painting lines, dashes, arrows, letters, etc. for roads pavements and the like exceeding 10cm wide with road marking paint of adequate number of coats, white or golden yellow complete all as specified.

Material and Labour for applying two coats of synthetic enamel paint over a coat of primer on concrete or brick surfaces for kerb, complete all as specified and as directed by Engineer-In-Charge.

Scarifying or picking gravelled,macadam or bituminous macadam surfaces in area exc 400 sqm and exc 50mm and n.exc 100 mm deep. Note: Material obtained from Scarifying or picking gravelled shall be dumped at low lying area at a distance exc. 1.5 KM but n. exc. 5.0 KM and from the site as directed by GE/ Engineer-in-charge and unit rate quoted by the bidder shall include the above provision.