Ajmer Development Authority Tender

Providing and applying tack coat with bitumen emulsion on the prepared surface including cleaning as per IS : 8887 & manufacturer’s specifications @ 2 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 -------do ------------- @ 3 .25 kg /10sqm ------------------ do --------------

Filling pot-holes and patch repairs with open-graded premix surfacing, 40 mm with removal of all failed material trimming of completed excavation to provide firm vertical faces, cleaning of surface, painting of tack coat on the sides and base of excavation as per clause 503, back filling the pot holes with hot bituminous material as per clause 511 using 60/70 grade bitumen 5% of total mix and mixed in hot mix plant 40-60 TPH capacity and carriage with all lead as per clause 509, compacting with smooth wheel roller 8-10 tonne, triming and finishing the surface to form a smooth continous surface, all as per MoRTH specification clause 3004.2

Providing and laying built-up spray grout patching 75 mm thick in two layers (each layer consisting of spreading aggregate (crusher broken) @ 0.50 cum per 10 sqm area as per MoRTH specification) laying first layer after application of tack coat @ 3.75 kg per 10 sqm (including cost of tack coat) rolling with 8-10 tonne power road roller and application of first spray of binder @ 15 kg/10 sqm. Spreading and rolling of second layer of coarse aggregate with 8- 10 tonne power road roller applicationof second spray of binder @ 15 kg per 10 sqm and laying key aggregate on the top of second layer and rolling with 8-10 tonne power road roller including heating and spraying of binder, cleaning the area of patch, pot holes cut to regular shape, with vertical side, removing all loose and disintegrated material including cost of coarse aggregate, key aggregate, rolling and hire charges of machinery, T & P, fuel

Providing and laying bituminous macadam on prepared surface with specified graded crushed aggregate as per table 500 - 4, for base/binder course including loading of aggregates with F.E. loader and heating and mixing of stone aggregate and bitumen (including cost of antistripping compound wherever required) in hot mix plant, transporting the mixed material in tipper to paver and laying mixed material with sensor paver finisher to the required level and grade, rolling by power roller & vibratory compactor to achieve the desired density (as per job mix formula approved by the department )excluding cost of primer /tack coat [MoRTH Specification : Clause 504,112] with 3.30% bitumen with all lead. For grading-2 (layer thickness 50-75mm) with bitumen grade VG 30

Providing and laying 20mm thick Mix Seal Surfacing on a prepared surface in a single course composed of specified graded crushed aggregates as per table (500-26) premixed with bituminous binder (including cost of anti-stripping compound , wherever required) with all lead of mixed material (MoRTH Specification: Clause 512,112) in a hot mix plant 40-60 TPH with F.E. loader, laying with sensor paver finisher, transporting the mixed material by tipper and rolling with power roller 8-10 tonne to achieve density approved by the department, but excluding cost of tack coat. with all lead Type "A" (22 kg binder per 10 sqm) b) with bitumen grade VG 30