Repair and Maintenance of Hydrant pipe line of Fire fighting system installed at BSF Hangar, Palam under FHQ BSF NEW Delhi

200 mm. dia (wall thickness = 6.3 mm)

Nominal concrete 1:3:6 or richer mix (including equivalent design mix)

1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 40 mm nominal size derived from natural sources)

Taking out existing CC interlocking paver blocks from footpath/ centralverge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

Laying old cement cocrete interlocking paver blocks of any design/ shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge. (Old CC paver blocks shall be supplied by the department free of cost).

Dismantling of 200 mm 'C' class heavy duty MS Pipe confirming to IS 1239/3589 i/c fittings like elbows, tees, flanges, tapers, nuts bolts, gasket etc. from existing trench.

Add GST Factor on DSRE-22 items 12% to 18 % (1.0633) i.e Rs. 5,56,100/-

Deduct modification factor of GST @0.973 on total amount on Civil DSR-23 (i.e. Rs. 110578.50)