Development of road (i) NH 208(A) to Kadamtala RD Block (ii) DRBS to Ichaipur under PWD (RandB) Kadamtala

Granular Sub-base with Well Graded Material (Table 400.1) using Jhama Brick Aggregate. ( A ) By Mix in Place Method Construction of granular sub-base by providing well graded material (Jhama Brick Aggregate, Grading-I, as per Table 400.1, spreading in uniform layers with tractor with attachments on prepared surface, mixing by mix in place method with rotavator at OMC, applying and brooming sand to fill up the interstices of coarse aggregate, watering and compacting with smooth wheel roller to achieve the desired density, complete as per MoRD Technical Specification Clause 401. (i) For Grading - I Material (jhama brick aggreate)

Water Bound Macadam Sub-Base / Base using Jhama Brick Aggragate. WBM Grading - 3. Providing, laying, spreading and compacting jhama brick aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing rolling with three wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming binding materials to fill up the interstices of coarse aggregate, watering and compacting to the required density Grading- 3 as per MoRD Technical Specification Clause 405. By Manual Means.

Tack coat using hot straight run bitumen of grade VG-30 on W.B.M. Providing and applying tack coat using hot straight run bitumen of grade VG-30, including heating the bitumen, spraying the bitumen, cleaning and preparing the existing road surface as per specifications: On W.B.M. @ 0.75 kg/ sqm.

Tack coat using hot straight run bitumen of grade VG-30 on bituminous surface. Providing and applying tack coat using hot straight run bitumen of grade VG-30, including heating the bitumen, spraying the bitumen, cleaning and preparing the existing road surface as per specifications: On bituminous surface @ 0.50 Kg/ Sqm.

Maintenance of bituminous surface road. Repair to pot holes by removal of failed material, trimming the sides to vertical and levelling the bottom, cleaning the same with compressed air or any appropriate method, filled with 75 mm B.M, after applying bitumen emulsion prime coat at the bottom and bitumen emulsion tack coat on sides and on bottom as per MoRD technical specification Clauses 1900, 502, 503 and 504.

25 mm thick Open-Graded Premix Carpet using Bituminous (Viscosity grade/ modified bitumen) Binder. Providing, laying and rolling of open-graded premix carpet of 25 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using Viscosity grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 80 - 100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C or Type D as per MoRD Technical Specification Clause 508. Case - II By Mechanical Means (I) Bitumen of VG-30

Seal Coat.Providing and laying seal coat using the voids in bituminous surface late to the specified levels, grade and cross fall using Type A or Type B or Type C or Type D as per MoRD Technical specification clause 510.Type D (premix with fine sand).By Manual Means.

Road marking strips (retro-reflective) of specified shade/ colour using Hot Applied Thermoplastic material with Reflectorising Glass Beads on Bituminous Surface.Providing and applying 2.5 mm thick thick road marking strips (retro-reflective) of specified shade/ colour using hot thermoplastic material including reflectorising glass beads @ 250 gms per sqm area by fully/ semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater including cost of cleaning the road surface of all dirt, seals, oil, grease and foreign material etc, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35. The finished surface to be level, uniform and free from streaks and holes as per MoRT&H Technical Specification Clause 803.

Road Markers/Road Stud with Lens Reflector Providing and fixing of road stud 100 x 100 mm die cast in aluminium, resistant to corrosive effect of salt and grit, fitted with lense reflectors, installed in concrete or asphaltic surface by drilling holes 30 mm upto a depth of 600 mm and bedded in a suitable bituminous grout or epoxy mortar, all as per BS:873(Part 4) 1973.

Road Delineators Providing and installation of delineators (road way indicators, hazard markers, object markers), 80-100 cm high above ground level, painted black and white in 15 cm wide strips, fitted with 80 x 100 mm rectangular or 75 mm dia circular reflectorised panels at the top, buried or pressed into the ground and conforming to IRC-79 and the drawings and as per MoRT&H Technical Specification Clause 806.