Kurinjipadi TP 15FC 2024 25 Borewell Work

Amount

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( Site will be shown by the TWAD Board officers) including construction of mud pit.

i. Upto 60m depth ending below G.L.

ii.From 60m to 90m depth ending below GL

iii. From 90m to 120m depth ending below GL

Reaming 140/150 mm dia pilot bore to 300mm dia bore as directed by the TWAD Board Officer.

i. Upto 60m depth ending below G.L.

ii.From 60m to 90m depth ending below GL

iii. From 90m to 120m depth ending below GL

Reaming 300 mm dia pilot bore to 400mm/ 450mm dia bore as directed by the TWAD Board Officer.

i. Upto 60m depth ending below G.L.

ii.From 60m to 90m depth ending below GL

iii. From 90m to 120m depth ending below GL

Conducting electrical logging test including transporting charges.

Towards cost & supply of 200MM PVC Casing pipe 13mm wall thickness including cost and conveyance to site and all transportation charges etc., for conforming I.S.I. specifications.

DW 200mm (8'') PVC Casing pipe 13mm wall thickness (without slotted )

DW 200mm (8'') PVC Casing pipe 13mm wall thickness (with slotted )

200mm Dia M.S. Cone Dummy

200mm Dia M.S Borewell cover

Labour Charges for inserting 200mm/250 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 Engineers of TWAD Board.

Charges for developing the Borewell with air compressor of 600 CFM capacity (Minimum 8 Hours) including transportation, labour and fuel charges for compressor as directed by TWAD Officers and conducting yield test by 'V' notch method

Towards cost and Supply and delivery of 20HP submersible motor pumpset 15 stage from approved company and ISI Make with minimum one year guaranteeand all incidential charges etc,complete as per standard specfications. (1 No. Standby Motor)

Towards cost and Supply and delivery of 30 HP Starter from approved company and ISI Make with minimum one year guaranteeand all incidential charges etc,complete as per standard specfications.

Towards cost and Supply and delivery of 30 HP Panel board from approved company and ISI Make with minimum one year guaranteeand all incidential charges etc,complete as per standard specfications.

Towards cost and Supply and delivery of 10 Sq mm cable

Towards cost and Supply and delivery of90mm HDPE Hose

A) 3'' SS Nippiles

B) 90mm Clampset

C) 3'' Flange Set

Labour charges for the Erection of 20 HP submersible Pump set including all Tools and plant etc completed.

Supply and run of 2 of 4 sqmm ( 56/0.3) PVC insulated SC unsheathed conductor of 1100 V garde on 7/20 GI bearer wire for service connection mains ( Run off ) etc. completed as per standard specification

Supply and delivery of required PVC Pipes and water supply specials from appoved Concern ,approved rates including cost and conveyance of all materials to site, loading and unloading charges etc. complete. Complying with std. specifications.

Meenatchipettai 6kg pipe 90mm

Elbow 90 mm

TEE 90 mm

Dummy 90mm

Earth work excavation in all classes of soils such as hard stiff clay, stiff black cotton, hard red earth, shales, murram, ordinary earth, earth mix with 50% fair sized boulders etc., with initial lead and lifts including laying, spreading, levelling, sectioning breaking clods etc., in all incidential charges etc., complete as per standard specification for foundations SS 20A

Lowering rigid pipes to trench and laying proper grade and alignment with PVC coupler and cement Paste and executing to required pressure including conveyance of water for filling during testing etc completed as per Standard Specification.

Refilling of Excavated earth for Pipe Line Trench including cost and Labour Charges etc., Completed

G.Subramaniyan (BID ID -1208367)

A.Stalin (BID ID -1208320)