STMC Rehabilitation and upgradation of akola akot (length 8.836) to two lane with paved shoulders configuratin of NH161A in the sate of maharashtraz

Crack Sealing/Filling using epoxy mortar: Base and hardener of the high strength repair mortar . Epoxy putty shall be mixed using the slow speed heavy duty mixing machine to obtain a uniform mix. The mixed materials shall be placed all along the prepared "V" groove and finished smoothly using the putty blade/trowel within 30 minutes by using the divers. The finished surface shall be allowed for curing minimum of 24 hours to attain the strength. The item includes the cost of hire charges of all equipment, tools and plants and all labour charges etc., complete.

Stapling as per specifications and standards defined in IRC SP:83-2018

Cross- Stitching as per specifications and standards defined in IRC SP:83-2018

Dressing of side shoulder/Scrapping the road side shoulder by Mechanical means(By JCB/DOUZER) including excavation of raised side shoulders upto 15cm depth including remooving/cutting bushes, grass and dressing shoulder to desired camber and disposing of excavated stuff up to road boundary etc complete. as directed by Engineer In Charge.

Trimming of grass, shurbs and weeds from the shoulders/berms and disposing off the same to suitable locations etc. complete

Maintenance of Hume pipe Culvert by way of Clearing, Cleaning, Erosion repair, repairs to cracks, parapet wall and protection work as per drawing etc. complete

Dismantling of cement concrete pavement by mechanical means using pneumatic tools, breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately etc. complete.

Removing lime or lean cement concrete including stacking the spoils as directed with all leads, lifts etc, complete.

Construction of dry lean cement concrete Sub-base over a prepared sub-grade with coarse and fine aggregate(natural sand/VSI grade finely washed crushed sand) conforming to IS: 383, the size of coarse aggregate not exceeding 25mm, , cement content not to be less than 150kg/cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant/Weigh batch mixer, transported to site with all leads and lifts, laid with a paver with electronic sensor/by suitable means as approved by Engineer-in-charge, compacting with vibratory roller, finishing, curing and including preparation of sub-grade surface if required etc. complete. with fully automatic micro processor based PLC with SCADA enabled reversible Drum Type mixer/concrete Batch mix plant(Pan mixer) etc. complete

Providing and laying 125 micron Low Density Polyethylene(LDPE) sheet confirming to IS 3395 : 1997 below concrete pavement including all materials and labour complete.

Providing and laying in-situ M40 Grade unreinforced plain cement concrete pavement with max 20% fly Ash(Fly-ash upto 20% by weight of Cement) over a prepared sub base with 43 grade cement, coarse and fine aggregate(natural sand/VSI grade finely washed crushed sand) conforming to IS 383, using fine and coarse aggregates combined gradation as per Table 600-3 of MORTH Specification 2013, mixed in a batching and mixing plant/non tilting mixer and Weigh batcher as per approved mix design, admixtures, transporting to site, spreading, laying with approved make paver, compacted and finished in a continuous operation, finishing to lines and grades as directed by Engineer-in-charge and curing by curing compound/by providing cement vata in cement Mortar 1:8 @0.6m X 0.6m centre to centre, admeasuring 80mm at bottom and 40mm at top with depth of 75mm and maintaining the same throughout curing period by any other method approved by Engineer-in-charge

Providing and fixing in position TMT FE 500, tie bars precoated with anticorrosive epoxy paint of 12mm dia. 70cms.long and at 30.00cm. C/C and wherever directed including handling, straightening wrapping with paper of approved quality for half length, necessary cutting, handling, straightening, supported by assembly of TMT FE 500, chairs with proper alignment etc. complete.

Providing and fixing in position TMT FE 500, 32mm dia dowel bars precoated with anticorrosive epoxy paint of required Dia. 60cms. Long and at 30.00cm. C/C and wherever directed including handling, straightening, necessary cutting supported by TMT FE 500, chairs with proper alignment by using properly designed assembly of Bulkheads lubricating half length with bituminous paint as directed etc. complete.

Cutting transverse contraction joints 3 to 4mm wide and depth 60mm. .in concrete slab using concrete cutting machine with diamond studded saw within 48 hours of casting of bay/slab etc. complete including subsequent widening of the groove 8 to 10mm. wide at top having depth of 15mm. as directed by Engineer incharge

Providing to contraction joints polysuphide sealent(Pouring grade) confirming to BS : 5212-1989 into sawed groove widened at top for sealent reservoir of specified size and shape as per detailed drawing including fixing Polyethylene foam backer rod of required diameter(appraox. 25% larger than the initial 3mm.to 4mm. joint) overlaid with bond breaking tape as per detailed drawing. Item includes cleaning the joints with water jet/air compressor and allowing joint to become thoroughly dry before sealent is applied and applying primer.(A) Contraction and longitudinal joints(15mm. deep x 8mm.wide)

Providing and Laying of 2 or more sets (6 Nos. each set) Dual Ribs Pattern Rumble Markings on roads with vehicular speeds of more than 50 Km/hr laid as per the spacing recommended for each set under Table 11.1 and Fig. 11.2 of IRC 35:2015 using Plastirib 2K, or equivalent 2 component cold plastic profiled material. Each Dual Rib pattern rumble marking shall have width of 500 mm. Each dual rib pattern rumble marking shall have 2 ribs each of Width of 100 mm and height 20 mm. Gap between two ribs shall be 300 mm. Each rumble marking shall be made complete with drop on Soild Plus reflective glass beads @ 300 gm / One Square Metre spread throughout the surface of marking. The finished surface to be levelled, uniform and free from streaks and holes, including surface cleaning and cost of all materials etc. complete.