Cement Concrete Road work on Chomu Ajeetgarh Shahpura BOT Road (Km. 0/0 to Km. 36/0) (SH 37)

PART A - CEMENT CONCRETE ROAD WORK

Dismantling of cement concrete pavements 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 upto a lead of 1000 m, stacking serviceable and unserviceable materials separately

Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 100 m, stacking serviceable and unserviceable materials separately as per MoRTH Specification Clause 202 By Mechanical Means Bituminous Courses

Providing laying spreading and compacting specified graded sand, gravel (crushed stone) as per Table 400- 1,400-2 or any other course material as per design mix, as per CBR in sub base course including premixing the material at OMC in wet mix plant, carriage of mixed material spreading in uniform layers with motor grader F.E loader on a prepared base and compacting with vibratory roller to achieve desired density (as per I.S.2720) including all material, labor, machinery, lighting guarding, barricading and maintenance of diversion complete.[MoRTH specification : Clause 401]. By mechanical means. For Grading-I Material For All Rajasthan except Bikaner,Churu,Hanumangarh and SriGanganagar

Construction of dry lean cement concrete Sub- base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 25 mm, 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.

Construction of un-reinforced , plain cement concrete pavement M-40 (Grade), thickness as per design, over a prepared sub base, with 43/53 grade cement as per Clause 602, coarse and fine aggregates conforming to IS:383, maximum size of coarse aggregate not exceeding 31.5 mm, mixed in a in fully Automatic Computerised Batching Plant compatible with Printer and Pen Drive and transported to site in transit mixer for having continuous agitated mixer, manufactured as per approved mix design including pumping of R.M.C. from transit mixer to site of laying , with all lead and lift including cost of admixtures in recommended portion as per IS 9103 to accelerate/ retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer in charge laid with a Fixed Form Paver (laying and fixing of 150 micron thick polythene Film and finished in continuous operation including provision of contraction and expansion, construction joints, applying debonding strips, primer, sealant near approaches to bridge/culvert and construction joints, admixtures as approved, curing of concrete slabs for 14-days using water finishing to lines and grade as per drawing and MoRTH Specification Clause 602 with all required equipments (Dowel Bars and Tie Bars will be paid seprately).

Providing and Fixing of Dowel Bars of Mild Steel confirming to IS : 432 of specified length and diameters as per MoRTH Specification IRC 15 & 58 including cutting, placing in position across transverse joint with proper spacing, providing with PVC sleeve complete as per drawing, technical specification and as per direction of the Engineer-in-charge.

Supplying, fitting, and placing TMT bar reinforcement (Primary Steel) in Foundation, Substructure and superstructure at any level complete as per drawing and MoRTH specifications Clauses 1009,1600 and 2302

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of stone masonry ,including disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 m as per MoRTH Specification Clause 202. Rubble Stone Masonry in Cement Mortar

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and MoRTH specifications Clause 1702, 1703, 2102 & 2104 P.C.C grade M 10 Nominal mix 1:3:6 For All Rajasthan except Bikaner, Hanumangarh and SriGanganagar