WBHIDCO/AE-III/GM E-II/AA-III/NIT-05/2026-2027

Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 100 m, stacking serviceable and unserviceable materials separately as per Technical specifications Clause 202 for Rural Roads of MORD. (II) By Mechanical Means, Bituminous Courses

Supplying, spreading and consolidating Stone Dust to a depth of 100 mm. and above at desired density and C.B.R. as per Specification with power roller to proper gradient and camber including watering as necessary, and lighting, guarding, barricading and making adequate earthen bundh where necessary to protect the edges and curing with water for 2 to 3 days, mending cracks and depressions by rolling where necessary including all incidental charges of roller, cost of fuel & lubricants complete as per specification.

Supplying and Laying in the specified pattern of Interlocking Concrete Block Pavements ( ICBP) with concrete blocks ( with concrete grade as specified as per Table I of IS 15658:2006) manufactured in steel mould clamped to a vibrating table by hydraulic pressure ( as per cl. no. 6.30 of IRC: SP: 63 (2018), from BIS license manufacturer, with spaccer nib ( Small protruding profiles on the vertical face of a paver block used as a device for keeping minimum joint gap in between the paving blocks, as per Cl. No. 3.26 of IS: 15658) and of specified size and shape with aspect ratio ( the ratio of length to thickness of a paver block, as per CL. No. 3.3 of IS: 15658) as per Table 2 of IS: 15658 with flexural strength/breaking load as per Annexure G of IS: 15658, on the prepared base course of specified CBR as per Table 1 of IRC SP 63 (2018) or else as mentioned in design and drawing with a cushion of compacted bedding sand of 25-35 mm thick ( grading of the bedding sand as per clause 6.5.1 of IRC SP-63) and filling up the gaps in between paver blocks with joint filling sand ( the grading of the joint filling sand will be as per clause 6.5.2 of IRC SP 63) and with proper confinement of bedding and joint filling sand,compaction,levelling and filling up of the edge gap. 80 mm thick Grey

Providing and laying surface dressing as wearing course in single coat using approved quality crushed stone aggregates of specified size and hot bituminous binder laid on prepared surface including thorough cleaning of the surface, screening and cleaning of stone chips, applying uniformly requisite quantity of hot bitumen, spreading uniformly dry stone aggregates and rolling with 8-10 tonne smooth wheeled steel roller with necessary hand packing or spreading of chips to obtain closed surface including the cost and carriage of bitumen and stone chips, heating the bitumen and all other cost and charges of fuel, lubricants in this connection including hire and operational charges of machinery and equipment for construction and quality control complete as per Clause 509 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (By Mechanical Means) A. Single coat or 1st coat over granular surface using bitumen @ 12 kg per 10 m2 and stone chips / bajree (100% passing through 22.4 mm sieve and 100% retained on 11.2 mm sieve) @ 0.15 m3 per 10 m2 surface.

B. Second coat or renewal coat on black topped surface using bitumen @ 10 kg per 10 m2 and stone chips / bajree (100% passing through 13.2 mm sieve and 100% retained on 5.6 mm sieve) @ 0.10 m3 per 10 m2 surface.

(i) Repair to pot holes by removal of failed material, trimming the sides to vertical and leveling the bottom, cleaning the same with compressed air or any appropriate method filled with B.M (thickness not more than 75 mm in single layer) applying bitumen emulsion prime coat at the bottom and bitumen emulsion tack coat on sides and on bottom as per technical specifications Clauses 502 and 503 for Rural Roads of MORD .

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 any suitable arrangements, laying the mixture uniformly over the surface, including line, grade and level to serve as wearing course on a previously prepared base, including mixing in Mobile Hot Mix Plant (Light Duty) 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 Mobile Hot Mix Plant (Light Duty) and other machinery, pay of operators, cost of fuel and lubricants etc. complete to be followed by seal coat of either Type B as per Technical Specification Clause 508 for Rural Roads of MORD.

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. By Manual Means With Hot Bitumen Binder ( @ 6.8 kg/10 sqm)

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