O & M

TBSC-U.I-01 DISMANTLING clearing away and carefully stacking materials useful for reuse Stone masonry in cement mortar (TBSC-U.I-01) Sl.No. U SECTION (1129) Pgno-202

IRR-CCDW-1-2 Earth work in excavation in all kinds of soils of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.

IRR-CCDW-2-5 Providing and laying insitu vibrated M-10 ( 28 days cube compressive strength not less than 10 N / sq mm) grade cement concrete using 40 mm down size approved, clean, hard, graded aggregates for foundation filling including cost of all materials, machinery, labour, formwork, cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing etc., complete with initial lead upto 50m and all lifts. (Cement content: 220 kg / cum with use of super plasticiser(0.4% by wt. of cement), CA : 0.90cum, Blending Ratio of CA--50:30:20, FA : 0.40 cum)

IRR-CCDW-2-9 Providing and laying insitu vibrated M-15 ( 28 days cube compressive strength not less than15 N / sq mm ) grade cement concrete using 40 mm down size approved, clean, hard, gradedaggregates for sub-structure / super- structure works including cost of all materials,machinery, labour, formwork, scaffolding, cleaning, batching, mixing, placing in position,levelling, vibrating, finishing, curing etc., complete with initial lead upto 50 m and all lifts.(Cement content: 280 kg / cum with use of super plasticiser(0.4% by wt. of cement),CA : 0.90cum, Blending Ratio of CA--50:30:20, FA : 0.40 cum)

IRR-PMW-3-17 Providing homogeneous embankment using soil from approved borrow area in layers of 25 to 30 cm. Before compaction including cost of all materials, machinery, labour, all operations such as excavation, sorting out, transportation, spreading soil in layer of specified thickness, breaking clods, sectioning,etc., complete with initial lead upto 1 km and all lifts.