State Plan202526 Source Improvement and Water ConservationConstruction of new tube well and pump house in Karunagappally municipality

15.2.1: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 (i/c equivalent design mix)

15.7.1:Demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-Charge.In mud mortar

OD102988/2025-2026:Boring /drilling bore well of required dia for casing / strainer pipe, by suitable method prescribed in IS: 2800 ( part I), including collecting samples from different strata, preparing and submitting strata chart/ bore, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer- in- charge, beyond 150 metre & upto 200 metre depth below ground level.<br>Rocky strata including Boulders<br>400 mm dia

OD102989/2025-2026:Supplying, assembling, lowering and fixing in vertical position in bore well ERW ( Electric Resistance Welded ) FE 410 mild steel screwed and socketed / plain ended casing pipes or required dia , conforming to IS 4270, of reputed & approved make, including painted with outside surface with two coats of anticorrosive paint of approved brand and manufacture, including required hire & labour charges, fittings & accessories, all complete, for<br>all depths, as per direction of Engineer-in-Charge.<br>450 mm nominal size dia having minimum wall thickness 8 mm<br>

23.15.3:Providing and fixing Bail plug / Bottom plug of required dia to the bottom of pipe assembly of tubewell as per IS : 2800 (part I).200 mm dia

23.3.3:Supplying, assembling, lowering and fixing in vertical position in bore well, unplasticized PVC medium well casing (CM) pipe of required dia, conforming to IS : 12818, including required hire and labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer- in- Charge.200 mm nominal size dia

23.4.3:Supplying, assembling, lowering and fixing in vertical position in bore well unplasticized PVC medium well screen (RMS) pipes with ribs, conforming to IS: 12818, including hire & labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer - in-charge200 mm nominal size dia

23.13.3:Providing and fixing suitable size threaded mild steel cap or spot welded plate to the top of bore well housing/ casing pipe, removable as per requirement, all complete for borewell of:200 mm dia

OD102999/2025-2026:Supplying, Conveying and stacking at site for taking measurement best quality round pebbles, which should pass through 10 mm sieve and should retain in 5 mm sieve as per relevant IS Specification and packing round the strainer pipe using pebble for graded size as directed by the department officers and back washing including all labour charges cost and conveyance of water etc,complete.