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

Providing laying, testing & commissioning of 'C' class heavy duty MS Pipe confirming to IS 1239/3589 i/c fittings like elbows, tees, flanges, tapers, nuts bolts, gasket etc. in ground including welding, excavation & providing cement concrete blocks as supports, anticorrosive treatment with coater/asphalt tape as per IS10221, refilling the trench etc. of following sizes complete as required.

200 mm. dia (wall thickness = 6.3 mm)

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.

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

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

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)