Haldia Development Authority Tender

Open-Graded Premix Surfacing using Viscosity grade Paving Bitumen and HMP: Providing, laying and rolling of Open - graded premix surfacing of 20 mm thickness composed of 13.2 mm (@ 0.018 m³ per m²) and 11.2 mm (@ 0.009 m³ per m²) size stone aggregates, including thoroughly cleaning of the surface, screening, cleaning and pre-heating stone chips and fully pre-coating the same either using viscosity grade paving bitumen or cut-back or emulsion, carrying the mixture by tipper trucks or by any other suitable arrangements, laying the mixture uniformly over the surface with paver finisher, including manual operations as and when required for proper line, grade and level to serve as wearing course on a previously prepared base, including mixing in Hot Mix Plant and thoroughly rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades including the cost and carriage of stone chips and matrix, heating the matrix, preheating the aggregates to required temperature and including the hire charges of Hot Mix Plant and other machinery, pay of operators, cost of fuel and lubricants etc. complete as per Clause 510 of Specification for Road & Bridge Works of MoRT&H (5th Revision). (iii) Using Drum mix Type HMP of minimum capacity 40-60 TPH.Bitumen (Packed/Bulk) Bitumen ( Packed / Bulk) - 1.46 kg Aggregates: - 0.027 m3, 13.2 mm chips - 0.018 m3, 11.2 mm chips -0.009 m3 Ref:-Rate Analysis

Nominal Mix (1:2:4) cement concrete with graded stone chips (20 mm size) excluding shutting and reinforcement if any for road pavement (Pakur/Chandil Chips) Ref :Rate Analysis

Providing and laying Premixed Seal Coat (Type B) with approved quality sand/grit @ 0.6 m3/ 100 m2 and bitumen binder on thoroughly cleaned black top surface coated with tack coat, including heating and mixing cleaned sand/grit (100 % passing through 2.36 mm sieve and retained on 180 micron sieve) uniformly with bitumen binder, laying and spreading the mix at an uniform rate using suitable means, brushing the surface, if necessary, to ensure uniformity, followed by rolling with power roller including the cost and carriage of binder and aggregates, cost of heating the binder and aggregates and all other incidental charges, cost of fuel and lubricants, including hire charges of machineries, tools & plants required for construction and quality control complete as per Clause 511 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) With Hot Bitumen Binder (@ 6.80 kg / 10 sqm.) bitumen ( Packed / Buik ) 0.68 kg, Sand /Stone grit - 0.006 m3 Ref:-Rate Analysis