tender for maintenance works to be taken up on risk and cost of the concessionaire contractor; (a) for bituminous pavement and earthwork: 1. mobile maintenance unit with necessary equipment – s. no. project length for maintenance no. of mobile units* 1 up to 50 km 1 2 more than 50 km and up to 150 km 2 3 more than 150 km and up to 300 km 3 (*)- project length specified in table above is indicative. the authority while inviting bids may review for making appropriate provision about number of mobile units required. 2. ** sensor paver 1 3. * *vibratory roller (8/10 t) 1 4. static roller (8/10 t) 1 5. small roller/compactor 1 6. bitumen/emulsion sprayer 1 7. mechanical broom (1250 sqm per hour) 1 8. air compressor 2 9. grader/backhoe loader 1 10. water tanker 2 11. dewatering pumps 2 12. tipper/dumper truck 10 13. mini hot mix plant (6/10 t/hr capacity) 1 with indirect heating arrangements 14. * *hot batch mix plant 120 tph capacity 1 15. **string line set 1 (b) for concrete pavement: equipment to be deployed as per the requirement of the work items (c) for culverts, bridges and structures: equipment to be deployed as per the requirement of the work items (d) other equipment: as per requirement of the works