Providing Borewell Arrangements For New Construction Toilet At Sarangapani East Toilet In Kumbakonam City Municipal Corporations

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/200mm 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. TWAD P-217

Reaming 140/150/200mm dia pilot bore to 300mm dia bore as directed by the TWAD Board Officer.TWAD P-217

Supply of the following casing pipes of ISI approved quality with wall thickness not less than 7.5mm to 8.5mm with PVC couplers and cement Paste etc. Complete and including packing the annular space with pebbles quality and size of pebbles and the PVC pipe should be approved by the departmental officer.TWAD P-17

150mm Dia PVC Plain Pipe

150mm Dia PVC Ribbed screen pipe

150mm dia OD PVC end cap

Labour Charges for inserting 150 mm/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.TWAD P-219

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. TWAD P-220

supply and delivery of 1 HP single phase Submersible pumpset of duty condition 15lpm x 100 m as per IS 8034 without panel board etc complete as per standard specification.

Supply of single phase Pannel board suitable for 1HP with two level guard and auto start etc complete as per standard specification.

supplying and Delivery of pvc pipes medium as per IS 1239/PART/90 including cutting , threading and fixing charges as directed by the departmental officer.

50mm UPVC Pipe

50mm PVC Elbow

Supplying and delivery of 2.5Sq.mm of PVC insulated and sheathed 3 core flat type copper cable confirming to IS694/ 1990 etc complete as per standard specification.

Labour charges for the errection of 1HP submersible pumpset in the Borewell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth walls errection clamps pressure gauges up to the exterior wall of pumping room and errection of panel board consisting of DPICN switches starter volt meter ammeter, Three Pilot ( Indicating ) lamps capacitor single phasing preventer water level guard and laying and jointing the cable s and twin earthing as per IE rules etc complete and testing to the pumpset and trial run for 10 Days.

Supply and fixing of 32A DP switch of 500V with metal clad with fuse and neutral (side handle) on suitable TW board with PWD earthing

Earthing as per P.W.D standard with an earth electrode of 2 Mtr. Class 'B' GI pipe of dia not less than 32mm complete with necessary masonry work SD 234

Supply and fixing of TNEB meter Board suitable for 32A Single Phase service connection with 32A Fuse unit (500V) 32A neutral link and earth link (1" x 1/8" Copper flat) on TW plank of size 375mm x 300mm x 19mm with supporting TW reepers of 1" thick an either side with painting with suitable bolt and nuts for fixing the TW plank on wall with earth connection and inter connection with 7/20 PVC insulated copper wire from EB meter to fuse unit. SD 125

SAGUNTHALA V (BID ID -1409629)