FDR 2023-24 Reinstating washed out approach portion of Rayta Bridge at km 16.500 and damaged carriageway from km 16.500 to 18.000 on Kalyan Murbad Road NH-61 in the State of Maharashtra (Raita Side) 2nd call.

Amount

Item No. 1 :- Scarifying the existing granular road surface to a depth of 50 mm and disposal of scarified material within all lifts and leads upto 1000 metres.

Item No. 2 :- Providing and applying tack coat on the prepared surface heating by flames in Boiler and spraying bitumen with sprayer on Granular surface treated with primer @ 3.00 kg/10 sqm with VG­30 bulk Bitumen.

Item No. 3:- Providing and laying bituminous macadam using crushed aggregate of Grading1, premixed with bituminous binder, transported at site with VTS, laid over a previously prepared surface, finished to the required grade, level, alignment, and rolling to achieve the desired density for 80/100 mm compacted thickness with drum mix type hot mix plant having complying essential features of Hot mix plant as per IRC-272009 specified conditions and attachments such as electronic load sensor based belt conveyers, automatic synchronization of bitumen and aggregate fedder, built in dust controller system and PLC for Drum Mix plant ,Sensor paver,and Vibratory roller excluding prime/Tack coat etc.complete--Bitumen 3.40 % of specified grade. (VG-40 bulk bitumen rates are considered to arrive at rates)

Item No. 4:- Providing and applying tack coat on the prepared surface heating by fames in Boiler and spraying bitumen set footed in bitumen boller on B.T.surface 2.5kg/10sqm. VG10 bulk bitumen.

Item No. 5:- Providing and laying bituminous concrete using crushed aggregates of grading 1, premixed with bituminous binder @ 5.40 per cent by weight of total mix and filler, transported to site with VTS , laid over a previously prepared surface, finished to the required grade, level, alignment, and rolling to achieve the desired compaction for 50 mm compacted thickness with specified grade of Bitumen,Excluding prime / tack coat. For Bitumen of specified grade -- with drum mix plant , Sensor Paver, Vibratory roller with Stone Dust filler. (VG-30 bulk bitumen rates are considered to arrive at rates)without scada

Item No.6 :- Providing railing of mild steel angle post 2.0m center to center of section 75mm x 75mm x 10mm or equivalent I/C section of height 1.05 above bridge surface with minimum anchor length of 30cm including hold fast of 25mm diameter MS bar welded at the bottom with three rows of 40mm B class GI pipe provided at 30cm on center to center including scaffolding and one coat of anticorrosive paint with two coats of oil painting, etc. complete. (Excluding concreting of 1:3:6 of size 30cm x 30cm x 30cm & curing of concrete)