STMC Emergent Repair works on scattered of NH-752 damaged due to Heavy Rainfall under Baran Division in the state of Rajasthan under repair works in FY 2025-26 (Job No. NH-752/SR/RJ/2025-26/891)

Providing, Laying and spreading soil on a prepared sub grade, pulverizing (table 400-7), mixing the spreaded soil in place with rotavator with cement as per mix design , grading with motor grader and compacting with the vibratory roller 8-10 tonne at OMC to achieve at least 98% of the maximum dry density to form a layer of sub base of UCS value as per mix design complete as per MoRTH specifications Cl. 403.Berms of Old CC

Construction of dry lean cement concrete Sub- base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, coarse aggregate 26.5mm nominal size aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, cement content not to be less than 150 kg/ 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, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing. as per MoRTH Specification cl. 601.

Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with OPC 43 grade cement , coarse and fine aggregate (table 600-2 & 600-3) conforming to IS 383, maximum size of coarse aggregate 31.5mm nominal size mixed in a batching and mixing plant as per approved Mix design to achieve required design mix grade of controlled concrete, transported to site, laid with a slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler bord , separation membrane, sealant primer, joint sealant (Table 600-4), debonding strip, dowel bar (IS : 432 Grade-I), tie rod (IS : 1786 Fe500 or IS : 432 Grade-I) , admixtures (IS : 9103 & IS : 6925) as approved, curing compound, finishing to lines and grades as per drawing including joimt cutting & texturing etc complete as per MoRTH Specification cl. 602 (with flexural strengthe minimum 4.5 MPa).

Providing and laying reinforced cement concrete pipes N.P.4 for culverts including jointing ends and fixing collar with cement mortar 1:2 [MoRTH Specification : Clause : 1000/2900], 300mm Dia

Earth work in excavation in foundation trenches etc. .in drains and channels etc. not exceeding 2m.depth, including dressing of bottom and sides of trenches, stacking the excavated soil 3m Clear from the edge of excavation including disposal of surplus soil as directed within a lead of 1000 meters [MoRTH Specification : Clause 301,304] Hard soil (pick axe work)

Structural Cement concrete for plain concrete/ reinforced concrete for substructure at any level, complete as per drawing and technical specification. Using Batching Plant, Transit Mixture, and Concrete Pump, Design mix concrete- [MoRTH Specification: Clause 1500(N), & 1700(N)] P.C.C M20 Grade

Structural cement concrete (Design Mix) in open foundations, with form work, at any level.Cement concrete for plain/reinforced concrete in open foundation as per drawing and technical specification. [MoRTH Specification : Section 1700(N)&1500(N)]. Using Batching Plant, Transit Mixture, and Concrete Pump. P.C.C.M-15 grade

Providing and fabricating steel reinforcement for R.C.C works including cutting, bending, placing in position and binding complete including cost of binding wire .[MoRTH Specification : Clause 1000/1600] HYSD/TMT bars

Providing and fixing of reinforced Ferro-Cement drain covers designed for 'A' & 'AA' class loading duly marked on cover with adequate steel reinforcement having thickness 75mm to 150mm anti corrosive bitumen painted M.S. plate , Rim and M.S. lifting hooks, Admixtures like plasticizer, bond improving compound, shrinkage, resistance compound, abrasion resistant complete as per approved design etc.For Class - 'A' loading Span 451 to 700 mm Standard size 1000x800mm

Providing and laying reinforced cement concrete pipes N.P.4 for culverts including jointing ends and fixing collar with cement mortar 1:2 [MoRTH Specification : Clause : 1000/2900] Providing and laying reinforced cement concrete pipes N.P.4 for culverts including jointing ends and fixing collar with cement mortar 1:2 [MoRTH Specification : Clause : 1000/2900], 1000mm dia

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