CONSTRUCTION OF INTERNAL 30 BT ROAD AT CHANDERIYA SCHEME IN MUNICIPAL AREA CHITTORGARH

Providing, laying, spreading (with paver finisher only) and compacting wet mix macadam (WMM) base course comprising of graded stone aggregate and granular material conforming to MORT&H specifications (Table 400-II) in layers of equal compacted thickness each consolidated, including pre-mixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tippers to site, laying in uniform layers in base course on a well prepared sub-base/ base course and compacting with power vibratory-roller to achieve the desired density complete as per MoRT&H specification clause - 406 including all material, labour, machinery, lighting, guarding and maintenance of diversion.

Providing and applying primer coat over prepared surface ofgranular base with bitumen emulsion as per IS : 8887 and approvedquality @ 0.6 kg/sqm with the help of spray set fitted on bitumenContainer (boiler) after cleaning the surface including removing ofbinding material and other foreign matter with wire brushes and small picks, sweeping with brooms or soft brushes and finallydusting with old gunny bags and compressed air to receivebituminous treatment complete as per clause 502 of MoRT&Hspecification including all material, labour, machinery, lighting,guarding and maintenance of diversion.

Providing and applying tack coat on the prepared surface with bitumen emulsion as per IS: 8887 and approved quality @ 0.2 kg/sqm with the help of spray set fitted on bitumen Container (boiler) after cleaning the surface with brooms or soft brushes and finally dusting with old gunny bags and compressed air to receive bituminous treatment complete as per clause 502 of MoRT&H specification including all material, labour, machinery, lighting, guarding and maintenance of diversion.

Providing and laying bituminous macadam in 50/75 mm compacted thickness on prepared surface with specified graded crushed stone aggregates as per Table 500-4, Grading-II for base/ binding course, loading of aggregate with F.E. loader, heating and mixing of stone aggregate and bitumen in computerised hot mix plant, transported to site by tippers to paver, laid over a previously prepared surface with paver finisher fitted with electronic sensing device to the required grade, level and alignment and rolling with power roller and vibratory compactor as per clauses 501.6 and 501.7 to achieve the desired compaction complete as per clause 504 of MoRT&H specification and including all material, labour, machinery, lighting, guarding and maintenance of diversion but excluding cost of primer/ tack coat.With Bitumen VG-grade 30 @ 3.3% (percentage by weight of total mix)

Providing laying and consolidation Semi Dense BituminousConcrete, as per Design Mix (approved by Engineer), on preparedsurface with specified graded crushed aggregates as per table 500-15 for wearing coarse including loading of material with F.E. loader,hot mixing of stone aggregate, filler and bitumen (including Cost ofanti-stripping compound Minimum 1% in Lime/Cement as perdesign wherever required) heating and mixing in in computerised hotmix plant, transporting the mixed material by tippers to paver andlaying with paver finisher fitted with electronic sensor control to therequired level and grade, compacting by power rollers and vibratoryrollers or 150 to 250 KN pneumatic tyred roller with TP = 0.7 Mpa, toachieve the desired density (approximately 2.3 tonne/cum) completeas per clause 508 of MoRT&H specification including all material,labour, machinery, lighting, guarding and maintenance of diversionbut excluding primer/tack coat.35-40 mm compacted thickness (Grade-1) using Bitumen VG-grade 30 @ 4.5% (percent by weight of total mix)

Providing, laying, spreading and compacting of granular sub-base by providing close graded material (Table 400-1), spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per MoRT&H specification clause - 401 including all material, labour, machinery, lighting, guarding and maintenance of diversion.

Providing and laying marking of center line and stop line etc with hot thermoplastic compound 2.5 mm thick on road/ plain surface, including reflectorising glass beads @ 250 gms per sqm area with special applicator machine, as per IRC:35 including cleaning the surface of all dirt, dust and other foreign matter, demarcation at site and traffic control involved. The finished surface to be level, uniform and free from streaks and holes as per clause 803 of MoRT&H Specification including all material, labour, machinery, lighting, guarding and maintenance of diversion.