Maintenance and repair work of various DLP roads in Sub Dn. Falna on Risk and Cost

(01) Perwa sokra road km 0/0 to 2/0 Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth upto 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material upto a lead of 1000m including removal and disposal of top organic soil not exceeding in 150 mm thickness as per MORTH specification clause 201.By mechanical Means . A. In area of light jungle

Providing and laying granular sub-base material having P.I.not more than 6, including spreading in layers not exceeding 150 mm compacted thickness and consolidation by 8-10 tonne power roller to required camber and grade including cost of water and hire charges of machinery, including T&P with all lead (Compacted thickness to be measured).as per MORTH specification table 400-1, 400-2 :For grading-IIIwith CBR value not less than 20.to attain 100% proctor density.

Providing, laying, spreading and compacting stone aggregate of specfic as per table 400-7 to Water Bound Macadam specification including spreading in uniform thickness, hand packing roll-ing with vibratory roller in stages to proper grade and camber, applying and brooming requisite type of screening and binding materials to fill-up the interstices of coarse aggregates watering (with water browser) and rolling making necessary earthen bund to protect edegs, lighting, guarding, barricading and maintenance of diversion etc. [MoRTH specfication : Clause 404] ( By manual means).Grading III, 53 mm to 22.4 mm, @ 0.91 cum per 10 Sqm for compacted thickness of 75 mm. (Crusher broken). (Crusher broken)Stone screening type 'B'

Providing and applying tack coat on the prepared surface ,with bitumen emulsion as per IS : 8887 & manufacturer’s specifications @ 2.5-3 kg /10sqm. With a self propelled or towed bitumen pressure sprayer equipped for spraying the material uniformly at specified rates and temperatures as per MORTH specification CI.503,112 ( Including cleaning of Road Surface )

Providing and laying open graded premix carpet 20mm thick (compacted) on prepared surface in a single course as wearing course aggregates as per Table 500-23, heating bituminous binder @ 14.6 Kg/10 Sqm.(60/70 grade) and aggregates in Hot Mix Plant, transporting the mixed material with tipper and laying with paver finisher to the required level and grade, rolling with power roller, 8-10 tonne but excluding cost of tack and seal coat with lead for mix of material 1 Km.[MORTH Specification : Clause 511,112]In approved Hot Mix Plant as per clause 6.5 of Manual, including loading of aggregates with F.E loader with bitumen VG-30. with all leads and lifts

Providing and laying seal coat for sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall, including rolling with a smooth wheeled roller 8 - 10 tonne capacity finished to required level and grades, complete as per MORTH specification clause 513 Type B - Premixed in in approved HMP as per clause 6.5 of manual having capacity 50 TPH comprising of aggregate (sand or grit) having size 2.36 mm to 180 micron @ 0.06 Cum per 10 Sqm and bitumen binder (VG-30 grade) @ 6.8 Kg / 10 sqm and laying by hydrostatic paver finisher with sensor control, including mixing, transportation, laying, rolling etc. complete -with all leads and lifts

(02) Khimel Dhani Khudala km 1/0 to 4/0 Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth upto 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material upto a lead of 1000m including removal and disposal of top organic soil not exceeding in 150 mm thickness as per MORTH specification clause 201.By mechanical Means . A. In area of light jungle

Providing, laying, spreading and compacting stone aggregate of specfic as per table 400-7 to Water Bound Macadam specification including spreading in uniform thickness, hand packing roll-ing with vibratory roller in stages to proper grade and camber, applying and brooming requisite type of screening and binding materials to fill-up the interstices of coarse aggregates watering (with water browser) and rolling making necessary earthen bund to protect edegs, lighting, guarding, barricading and maintenance of diversion etc. [MoRTH specfication : Clause 404] ( By manual means).Grading III, 53 mm to 22.4 mm, @ 0.91 cum per 10 Sqm for compacted thickness of 75 mm. (Crusher broken). (Crusher broken)Stone screening type 'B'

Providing and applying tack coat on the prepared surface ,with bitumen emulsion as per IS : 8887 & manufacturer’s specifications @ 2.5-3 kg /10sqm. With a self propelled or towed bitumen pressure sprayer equipped for spraying the material uniformly at specified rates and temperatures as per MORTH specification CI.503,112 ( Including cleaning of Road Surface )

Providing and laying open graded premix carpet 20mm thick (compacted) on prepared surface in a single course as wearing course aggregates as per Table 500-23, heating bituminous binder @ 14.6 Kg/10 Sqm.(60/70 grade) and aggregates in Hot Mix Plant, transporting the mixed material with tipper and laying with paver finisher to the required level and grade, rolling with power roller, 8-10 tonne but excluding cost of tack and seal coat with lead for mix of material 1 Km.[MORTH Specification : Clause 511,112]In approved Hot Mix Plant as per clause 6.5 of Manual, including loading of aggregates with F.E loader with bitumen VG-30. with all leads and lifts