Special Repairs at Km.48/047 ( MNB Kalamb And Ex..Bridge ), km 49/770 (Kalamb Bridge), Km.57/870 (Sugave Bridge) And Km.65/498 (Vanjarwadi Bridge) of Patgaon-Khopoli NH-548A in the state of Maharashtra During 2026-27

Sealing of crack/porous concrete with Epoxy resin grout by injection through nipples complete as per clause 2804 of Technical Specification and as per approval of Engineer. (Item No. SDB Item no. 16.7)

Providing and fixing in position Guard Railing as per Drg. No. 15 Type C dt. 20-4-79, with 3 rows of 40mm dia. G.I. pipe 30cm a part and fixed in M.S. channels of section 100 x 50 x 6mm spaced 2.5 C/c 1:2:4 c.c. bedding of size 45 x 30 x 30cm. as per detailed drawing, with 3 coats of approved of yellow and black paint including necessary excavation in any strata. (Item No. 7.08)

Providing and grouting the holes by Poly Ceramic Cementitious i.e NicGrout G 06 + 53 grade cement material of as per requirement to reduce the porosity of concrete/Masonry structure and to increase the strength of structure using grouting pipes, grouting m/c, mixer etc and all relevant safety with all leads and lifts, material, machinery, labour, etc. Complete as per specification and as directed by Engineer-in-Charge. (Item No. 47.02)

DENSE BITUMINOUS MACADAM: Proving and laying dense bituminous macadam using crushed aggregates of Grading 1, premixed with bituminous binder of specified grade of Bitumen @ 4.50 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 density for 76-100mm compacted thickness .USING Batch mix type hot mix plant with SCADA, Sensor Paver, Vibratory roller with Stone Dust filler.(VG-30 bulk bitumen rates are considered to arrive at rates) (Item No. 3.44)

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.(VG-30 bulk bitumen rates are considered to arrive at rates) (Item No. 3.30)

Providing uncoursed rubble trap/quartzite/gneiss stone masonary in cement mortar 1:5 for piers, abutments, wings, returns, head-walls, parapet etc. including bailing out of water, striking joints of the non exposed faces, pointing the exposed faces with cement mortar 1:3, scaffolding, watering to masonary and etc. complete. (Item No. 11.07)

Providing and applying epoxy paint primer with middle coat and top coat to superstructure including scaffolding etc complete. (Item No. 19.04)

Metal Beam Crash Barrier -- Type-A, W : Metal Beam Crash Barrier(Providing and erecting a W metal beam crash barrier comprising of 3mm thick corrugated sheet metal beam rail, 70cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5mm spaced 2m centre to centre, 1.8m high, 1.1m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5mm, 330mm long complete as per clause 810)" (Item No. 7.30)

Providing and laying 12mm thick mastic asphalt wearing course on top of deck slab excluding prime coat with paving grade bitumen meeting the requirements given in table 500-29, prepared by using mastic cooker and laid to required level and slope after cleaning the surface including providing antiskid surface with bitumen precoated fine grained hard stone chipping of 4.75mm nominal size at the rate of 0.005 cum per 10 square metre and at an approximate spacing of 10cm center to center in both directions, pressed into surface when the temperature of surfaces not less than 100 deg C, protruding 1mm to 4mm over mastic surface as per clause 515 etc. complete. (Item No. 14.55a)

Milling of existing bituminous surface to specified depth of bituminous layer including disposal of removed material with all lift and lead upto 1000m etc complete. Using machine like Writgen(W100) or equivalent (Item No. 51.134)