Restoration of Rear head walls of Distributary No 6 of RDS Canal Tq.Dist Raichur.

Amount

Demolishing stone rubble masonry manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material to the appropriate disposal area as per direction of Engineerin- charge. In cement mortar. and as per the direction of Engineer-in-charge of work.(PWD SR 2023-24 VOL II ITEM NO 19.9.2 PG NO 187)

:Earth work excavation for Foundation ( CNS soil ) for foundation or around pipes including cost of all materials, labour, spreading soil in layers of 100 to 150 mm, breaking clods, watering, compaction by earth masters to achieve density control of not less than 90 percent and all other ancillary operations complete. and as per the direction of Engineer-incharge of work(WRD SR 2023-24 VOL IV ITEM NO 4.15 PG NO 61)

Providing and laying insitu vibrated M-10 grade cement concrete using 40 mm down approved, clean, hard, graded aggregates crushed from tunnel excavated rock for flling and levelling over-cuts in bed due to geological faults etc., including cost of all materials, machinery, labour, ventilation, lighting, drainage, cleaning bed, batching and mixing concrete, conveying upto placing point in agitator car, placing in position, levelling, compacting, fnishing, curing, and all other ancillary operations complete. And as per the direction of Engineer-in-charge of work (WRD SR 2023-24 VOL IV ITEM NO 5.14 PG NO 67)

Providing and constructing un-coursed rubble stone masonry with approved stones in CM 1 : 4 proportion by volume portions of return walls/ abutments/ similar structure including cost of all materials, labour, cleaning, batching and mixing mortar, packing mortar and wedging stone chips into joints, fnishing, curing and all other ancillary operations complete. for sub-structure.and as per the direction of Engineer-in-charge of work (WRD SR 2023-24 VOL IV ITEM NO 4.8.1 PG NO 60)

:Providing Size Stone masonry with hard stone in foundation & plinth with Cement mortar 1:6 (1 cement : 6 coarse sand).and as per the direction of Engineer-in-charge of work. (PWD SR 2023-24 VOL II ITEM NO 5.4 PG NO 09)

Providing Raised and cut pointing: Pointing on stone work with cement mortar 1:3 (1 cement : 3 fne sand) after raking joints to depth nicely lining, including cost of materials, labour, curing as per specifcations and as per directions of Engineer-in-charge.(PWD SR 2023-24 VOL II ITEM NO 8.19.2 PG NO 44)

:Providing S&S RCC SPUN / VIBRATED CAST PIPES (REINFORCED) pipes NP-3 Class conforming to IS:458-1988 with latest amentments using ordinary portland cement, for sanitary works and conveying to work site, rolling and lowering into trenches, laying true to line and level including loading and unloading at both destinations and jointing of pipes and specials, perfect linking of joints with jack to correct position including cost of jointing materials, i.e, rubber rings conforming to IS: 5382 for S&S RCC pipes, with all leads and lifts as directed and giving necessary hydraulic test as per ISS to the required pressure and commissioning etc.complete. (Contractor will make his own arrangements for procuring water for testing). Before the execution of the work, the contractor shall carry out the survey. RCC NP3 Class pipe of 600 mm dia. and as per the direction of Engineer-in-charge of work.(BWSSB SR 2023-24 VOL V ITEM NO 16.3.7 PG NO 188

By Mix in Place Method Construction of Granular Sub-Base of required grading as per design spreading in uniform layers with motor grader on prepared surface mixing by mix in place method with front end loader at OMC and compacting with vibratory roller to achieve the desired density, complete as per clause 401 B) For Grading -V Material. and as per the direction of Engineer-in-charge of work.(PWD Common SR 2023-24 Vol-III Item NO 4.1 (V) P.No. 23)

Providing and constructing un-reinforced plain cement concrete pavement, thickness as per design, over a prepared sub base, with 43 grade cement or any other type as per Clause 1501.2.2 M20 (Grade), coarse and fne aggregates conforming to IS:383:2016, maximum size of coarse aggregate not exceeding 25 mm, mixed in a concrete mixer of not less than 0.2 cum capacity and appropriate weigh batcher using approved mix design, laid in approved fxed side formwork (steel channel, laying and fxing of 125 micron thick polythene flm, wedges, steel plates including levelling the formwork as per drawing), spreading the concrete with shovels, rakes, compacted using needle, screed and plate vibrators and fnished in continuous operation including construction joints, , primer, sealant , curing of concrete slabs for 14-days, and water fnishing to lines and grade as per drawing and technical specifcation clause 1501 with all lead,lifts, loading & unloading charges, cost and conveyance of all materials, labour, equipments etc.,complete. as per the directions of the Engineer-in-charge of the work. 16.28 1501 Providing and constructing un-reinforced plain cement. and as per the direction of Engineer-in-charge of work (PWD Common SR 2023-24 Vol-III Item NO 16.27 P.No. 148