Providing New Borewell with Accessories at Sooriyamanal Chandra Eri in Thularankurichi Panchayat in Jayankodam Block of Ariyalur District under Peri Urban Panchayats 2025-26

Geophysical survey charges including conveyance charges for the Geo-physical instruments and other accessories etc., Complete

Drilling of Borewells anywhere in Tamilnadu including transportation from one place to another with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. By first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs, fuel, labour and drilling bentonite and water required for drilling at site including construction of mud pit.

Upto 60m depth below ground level

From 60m upto 90m depth below ground level

From 90m upto 120m depth below ground level

From 120m upto 150m depth below ground level

Reaming 200 mm dia pilot bore to 350mm dia bore as directed by the Departmental Officers.

Upto 60m depth below ground level

From 60m upto 90m depth below ground level

From 90m upto 120m depth below ground level

From 120m upto 150m depth below ground level

Reaming 300 mm dia pilot bore to 400mm/450mm dia bore as directed by the Departmental Officers.

Upto 60m depth below ground level

From 60m upto 90m depth below ground level

From 90m upto 120m depth below ground level

From 120m upto 150m depth below ground level

Supply and Delivery Conveyance of all following sizes of PVC casing pipes & specials to site as per IS 12818 /1992.

200mm dia OD PVC Plain Pipe (Medium depth)

200mm dia OD PVC Ribbed screen pipe (Medium depth)

200mm dia PVC end cap

Labour Charges for inserting 200 mm dia (M.S. Casing pipes assembly with slots or with out slots) in the drilled hole including welding the joints etc., complete and supplying and packing the annular space with pebbles of size and quality as approved by the Executive Engineer

Charges for developing the Borewell with air compressor of 600 CFM capacity including transportation labour and fuel charges for compressor and as directed by the Department officer and conducting yeild test by "V" notch methods

Supply and Delivery of GI Medium class pipes & specials to site as per relavent ISI Specification

25mm GI Pipe

50mm MS Clamp set

25mm GI Elbow (H)

25mm GI Gate Valve

50mm x 20mm GI Reducer

25mm GI Reducer Tee Plain

Pumping Main

Earth work excavation in all types of strata for laying of pipes with the standard trench width as per Bd .Circular No. 28/ AE10/ P&D/ 2001/ dt. 01.10.2001 and JCE (P&D)/ Lr.No. LM/ AE10/ P & D/ 2001/ dt.22.11.2001 - 90mm dia PVC 6ksc/cm2 pipe

Supply and delivery PVC rigid pipes as per BIS 4985/2000 with ISI Marking to site of works - 90mm dia PVC 6ksc/cm2 pipe

Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste - 90mm dia PVC 6ksc/cm2 pipe

Refilling with excavated soil complying with standard specification in layers of 15 cm thick well rammed and consolidated after pipes and specials are laid and tested - 90mm dia PVC 6ksc/cm2 pipe

90mm dia 6ksc PVC Tee

90mm dia 6ksc PVC Elbow

90mm dia 6ksc PVC Bend

Cement Solvent (100g)

Provision for Name Board

GST Amount for providing Service to Government Contract Works for the above Construction Works. { GST Amount is the Total GST Amount for total overall quoted amount above this row in column "BB" for this work}