34/EEC/BSNL/CD/BGL/2024-25

Amount

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m :

All kinds of soil

Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia

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

1:2:4 (1 cement : 2 coarse sand(zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying cement concrete 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40 mm nominal size) up to haunches of S.W. pipes including bed concrete as per standard design :

100 mm diameter S.W. pipe

150 mm diameter S.W. pipe

Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement and making necessary channels for the drain etc. complete :

For pipes 100 to 250 mm diameter

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS :5382 leaving 10 mm gap for thermal expansion.

Bend 87.5° 110 mm bend

Shoe (Plain) 110 mm Shoe

Providing and laying under ground low density foamed cellular wall PVC pipes and couplers conforming to IS:16098 (PART-1) including fixing pipe ends with solvent based cement adhesive in proper alignment complete as directed. (Note: The joint shall be tested for leakage before covering with infill material over the pipes).

160mm diameter PVC pipe of SN4 class, self fit type

Providing and fixing on wall face unplasticised Rigid PVC SWR pipes conforming to IS : 13592 Type-B, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion

75 mm dia

110 mm dia

Providing and fixing rigid SWR PVC fittings for PVC pipes of approved quality as directed by Engineer-in-charge.

75 mm dia Plain Bend

Removing and resetting of BS slabs ( of approximate size 60x60x10 cm including removing the existing slabs, stacking within 50 mtrs lead, levelling ground surface, consolidating and filling with the available earth wherever required, refixing of the stone slab to the proper line and level, Flush/ Ruled pointing on stone work with cement mortar 1:3 (1 cement: 3 fine sand) all complete as directed by the Engineer-in-charge.

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.