TN_317_01

Amount

3.14 Construction of subgrade and earthen sholders with approved material obtained from borrow pits with all lifts and leads transporting to site, spreading grading to required slope and compacting to meet requirement of table 300.2 with a lead upto 1000m as per Technical Clause 303.1 (A) private land.

Contruction of granular sub base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achive the desired density, complete as per Technical Specification Clause 401. (ii) For Grading II Material.

Providing ,laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specifcation Clause 405.

Providing ,laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 2 as per Technical Specifcation Clause 405.

Providing ,laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 2 as per Technical Specifcation Clause 405. For pothle repairs

(I) Low porosity 5.1 Providing and applying primer coat with bitumen emulsion (SS-l) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70-1.0kg per/sqm using mechanical means as per Technical Specification Clause 502.

Tack Coat 5.2 (iii) Providing and applying tack coat with Bitmen emulsion (RS-1) using emulsion distributor @ 0.20-0.25 kg/sqm on prepared granular treated with primer & cleaned with Hydraulic broom as per technical specification Clause 503.

5.2 (iii) Providing and applying tack coat with Bitmen emulsion (RS-1) using emulsion distributor @ 0.20-0.25 kg/sqm on prepared granular treated with primer & cleaned with Hydraulic broom as per technical specification Clause 503. For pothole repairs

Providing, laying and rolling of open-graded premix carpet of 20mm thickness composed of 13.2 mm to 5.6 mm aggregate either using penetration 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 as per Technical Specification Clause 508.2

Providing, laying and rolling of open-graded premix carpet of 20mm thickness composed of 13.2 mm to 5.6 mm aggregate either using penetration 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 as per Technical Specification Clause 508.2 For Pothole repairs

Providing and laying seal coat using Bitumen Emulsion sealing the voids in the bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510 (including carriage upto initial lead of 5.0km from quarry and carriage of mixed material up to 10.0 km initial lead from mixing plant) including cost of testing of materials at site and laboratory as directed by the deptt. A. By Manual Means Case-I: Type A (11.2mm to 2.36mm) Bitumen Emulsion (CRS-2)

Providing and laying seal coat using Bitumen Emulsion sealing the voids in the bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510 (including carriage upto initial lead of 5.0km from quarry and carriage of mixed material up to 10.0 km initial lead from mixing plant) including cost of testing of materials at site and laboratory as directed by the deptt. A. By Manual Means Case-I: Type A (11.2mm to 2.36mm) Bitumen Emulsion (CRS-2) For pothole repairs

Arjun Narzary