Maintenance of different roads under Khumulwng Sub-Division during the year 2026-27 SH Patch Grouting, Patch carpeting, placing of Gunny Bags, Bitumen Drums, Bamboo Palasiding, Missing Soling and other allied works etc.(Group-I)

Patch repairing/Maintenance of bituminous surface road using Jhama brick aggregate & Viscosity Graded bitumen (VG-30) Repairing pot-holes and making up small depressions with ramming or power rolling after removal/disposal of disintegrated materials within a lead of 50m, cutting pot holes to regular shapes with vertical edges and levelling the bottom, cleaning the same with compressed air or any other appropriate method including screening, cleaning of aggregates; and fillingup with jhama chips using bitumen of VG-30@54 kg per m3 of loose volume of jhama brick chips, after applying tack coat of bitumen on sides and [email protected]/ sqm and finishing the top of repaired surface levelled with adjoining area in proper grade and camber including spreading of [email protected]/sqm of prepared road surface as per direction of the Engineer-in-Charge and all as per MoRD technical specification Clauses1900,502,503 & 504

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.

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. I. By manual Means. II) 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. By Manual Means Case - IV : Type D (premix with fine sand) Bitumen of VG-30

Excavation in Soil with Dozer with lead upto 100 m. Excavation for roadway in soil by mechanical means with Dozer including cutting and pushing the earth to site of embankment upto a distance of 100 m, including trimming bottom and side slopes in accordance with requirements of lines, grades and cross-sections as per MoRD Technical SpecificationmClause 302.3.

Providing and placing gunny/ polythene (of minimum wall thickness of 500 micron) bags filled with sand (of minmum qty of 0.034 cum) and properly manually stitched to avoid any leakage of sand as per specification.

Providing and fixing bitumen or tar drum guard posts including two coats of white synthetic enamel paint over a primer coat in the exposed outside surface above Ground level and applying two coats of coal tar on the outside surface below ground level including bottom before placing the same for a depth of 450 mm below ground level filled with earth as per specification.

Supplying bamboo (1st class) 85 mm to 100 mm dia and making shoe with end tappered upto 300 mm from the bottom of the bamboo as per drawing and specification.

Handling and driving bamboo (1st class) 85 mm to 100 mm dia upto the length required by heavy hammer as per drawing and specification.

Providing and fitting, fixing bamboo (1st class) 85 mm to 100 mm dia for horizontal, diagonal bracing, strut etc. with nails / spikes and binding wire (GI 2.00 mm) as per drawing and specification.