Reconstruction work of 20.00 km of main and internal roads damaged by disaster, along with drains, under Raipur Mandal in Raipur Constituency of Dehradun District, under Honble Chief Minister Announcement No. 222/2024.

Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material.

Granular sub-base/base/surface course with local materials (Table 400.13) by mix in place method normal Construction of granular sub-base by providing local material spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at once and compacting with smooth wheel roller to achieve the desired density complete as per Clause 401.4 as per Technical Specification Clause 408.

Providing, laying, spreading & compaction of stone aggregates of specific sizes to WBM specifications including spreading in uniform thickness, hand packing, rolling with power roller 8-10 tonn in stages to proper grade & camber, applying & broomingrequisite type of binding material to fill up the intristices of coarse aggregates,watering & rolling, making necessary earthen bund to protect edges lighting, guarding & barricadings, & maintenance of diversions etc.[Grading of no-3] ( 22.4-53mm size mm size).By Manual Means

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause503

Providing and laying bituminous macadam with hot mix plant using crushed aggregates of grading as per Table 500.4 premixed with bituminous binder,transported to site upto a lead of 1000 m laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled to achieve the desired compaction as per Technical Specification Clause 504.(Bitumen VG-10 @ 3.3% of the weight of mix has been used for analysis purpose.The choice of bitumen will depend upon the prevailing site conditions and shall be in accordance with Clause 504 of MORD)

Providing and laying Semi Dense Bituminous Concrete with the use of batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRTH specification clause No. 508 complete in all respects

Dismantling of Structures Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202. By Manual Means

Providing and Laying of Interlocking Concrete Block (M-35) Pavements having thickness 80 mm as per drawings and Technical Specification Clause 1504.

Concrete with cement, coarse sand and 40 mm gauge stone ballast in proportion 1:4:8 in foundations and floors including supply of all material, labour and T&P etc. required for proper completion of the work. as per drawings and technical specifications Clause 802, 803, 1202 & 1203

Providing concrete for plain/ reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 P.C.C grade M 10 Nominal mix 1:3.6 (Hand mixing)