Construction of a CC road in the proposed colony on Naharsingh Mata Road under the IDSMT scheme.

Excavation for roadwork in soil with hydraulic excavator including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location with all lifts and lead up to 1000 m as per Section-300 of the specifications.

Construction of granular sub-base, spreading in uniform layers with motor grader on prepared surface, mixing by Mix in Place Method at OMC and compacting with vibratory roller of 80-100 KN Static weight to achieve the desired density, including all lifts and lead complete in all respect as per Section-400 of the specifications.

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 26.5mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per Table 600-1 of the specifications, 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 paver with electronic sensor/mechanical paver, compacting with 8-10 tonnes vibratory roller, finishing and curing and as per Section 601 of specifications.

Deduct from Item No 6.1 above if paver with electronic sensor/ mechanical paver, is not used and laying is done by any other method. Note: The acceptance criteria regarding level, thickness, surface regularity, texture finish, strength of concrete and all other quality control measures shall be the same as in case of machine laid work. This item is to be executed with Prior written permission of Executive Engineer.

Construction of Dowel jointed, Plain Cement Concrete Pavement in M-30 Grade Concrete over a prepared sub base with 43 or higher grade cement, coarse and fine aggregate conforming to IS:383 maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mix design, transported to site, laid with a fixed form or slip form paver with electronic sensor spreading the concrete by shovels, rakes compacted using needle, screed and plate vibrator and finished in a continuous operation including provision of contraction, expansion, and longitudinal joints, joint filler, separation membrane, sealant primer, joint sealant, debonding strip, placing of dowel bar, tie rod admixtures as approved, curing compound, finishing to lines and grades as per approved drawings as per IRC:15 and as per Section-602 of the specifications complete excluding cost of steel in dowel bar and tie rod etc.

Deduct from Item No 6.2.1 & 6.2.2 above if paver with electronic sensor/ mechanical paver, is not used and laying is done by any other method. Note: The acceptance criteria regarding level, thickness, surface regularity, texture finish, strength of concrete and all other quality control measures shall be the same as in case of machine laid work. This item is to be executed with Prior written permission of Executive Engineer.

Add extra for the cost of steel in dowel bar and tie bar etc. required as per design. Mild Steel dowel bars confirming to IS 432, grade I

HYSD tie bars of Fe 500 grade confirming to IS 1786