Improvements to AGRB Ballipadu -Annadevarapeta road from km 0.000 to 8.290 in East Godavari District

Scarifying the existing B.T surface to a depth of 50 mm by Mechanical means and disposal of scarified material with all leads and lifts upto 1000 Mtrs as per MoRT&H (5th Revision) Specn. No.305.4.3

Construction of Granular sub-base by providing HBG material confirming to Grading - V of MoRT&H Table 400-1 including cost and conveyance of all materials to work site and spreading in uniform layers with motor grader or by approved means, on prepared surface mixing by mix in place method with Rotavator / approved means at OMC and compacting with vibratory roller to achieve the desired density etc., complete for finished item of work as per MoRT&H Specification 401 (5th revision) and as directed by the Engineer-in-charge.

Providing 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 concrete mixer 0.28/0.40 cum capacity with weigh batcher laid with a paver/manula means , compacting with 8-10 tonnes vibratory roller, finishing and curing complete for finished item of work as per MoRT&H (5th Revision) specification 601 (5th Revision) and as directed by the Engineer-in-Charge for base coarse below CC Pavement.

Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with 43 grade cement @ 400 kg per cum, coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, and confirming to clause 602.2.6.4 mixed in Concrete mixer 0.28/0.4 cum capacity (6 mixers) with weigh batcher as per approved mix design, laid with a fixed form paver/Manual means, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler, separation membrane, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades etc., as per MoRT&H specification No. 602 (5th Revision) and as directed by the Engineer-in-Chief

Forming shoulders with borrowed useful seclected earth having MDD of not less than 1.75 gms/cc from outside road boundary by mechnical means with all leads and lifts including pre-watering of soil at borrow area, removal of top soil, excavation of soils at borrowed area, conveyance of soil, depositing the soils on the embankment, spreading soils, breaking clods, sectioning and consolidation with vibratory road roller @ OMC to meet requirement of table 300-2 of MORT&H including all hire and operational charges of T&P, complete for finished item of work as per MORT&H specification 305 (5th revision) (Payment will be made based on levels for finished item of work)

Providing and applying tack coat with bitumen VG-10 (Bulk) using Bitumen pressure distributor at the rate of 0.20 kgs per sqm on the prepared bituminous surface cleaned with mechanical broom for finished item of work as per MoRT&H Specification 503 (5th revision) and as directed by the Engineer-in-Charge.

Providing and laying of 30 mm thick Bituminous Concrete with 100 - 120 TPH batch type hot mix plant producing an average output of 75 tones per hour using hard blasted granite crushed aggregates of Grading – II as per Table 500-17 of specification 507 of MoRT&H (5th revision), premixed with Bituminous binder of VG 30 Grade @ 5.4 % of mix and filler, transporting the hot mix to work site, laying with hydrostatic sensor paver finisher to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRT&H Specification 507 (5th revision) complete for finished item of work in all respects as directed by Engineer-in-Charge