PR of the PWD road from Dhalabil to RC Ghat road via Sudhangshu Deb house L400.00 Mtr under PWD RandB Khowai Subdvision during the year 2025 26SH GSB WBM III Carpeting Seal Coat etc.

Road Work

Excavation in Cutting in soil by manual means with lead upto 50 m Excavation in Roadway cutting in soil by using manual means for carrying of cut earth to embankment site with all lifts and lead upto 50 m as per MoRD Technical Specification Clause 302.3.

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 ggregate, 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 2) WBM Grading 3 Providing, laying, spreading and compacting jhama brick aggregates of specific sizes 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. (A) By manual means

Tack Coat using hot straight run bitumen of grade VG-30 on WBM. (i) Providing and applying tack coatusing hot straight run bitumen of grade VG-30 including heating the bitumen, spraying gthe bitumen, cleaning and preparing the existing road surface as per specification: On WBM @0.75 kg/sqm.

20 mm thick Open-Graded Premix Carpet using Bituminous (Viscosity grade/ modified bitumen) Binder Providing, laying and rolling of open-graded premix carpet of 20 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 - I : By Manual Means (I) Bitumen of VG-30

Seal Coat Providing and laying seal coat sealing the voids in a bituminous surface laid 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. Case-IV Type - D(premix with find sand) i)Bitumen of VG-30 A) By Manual Means