PROVIDING NEW BOREWELL 60 M DEPTH WARD NO.24 IN THITTAKUDI MUNICIPALITY

Amount

Drilling of borewells of size 6" to 8" dia. in sedimentary formation using hand boreset including insertion of casing pipe etc., and supplying and packing of pebbles (Conveyance of hand bore set including loading and unloading to be done by the contractor)

Supply and Delivery of 150 mm Dia of Plain and Slotted PVC Casing Pipe of plain and slot including all cost and conveyance with labour charges for erection etc Complete. 150mm dia Plain PVC casing pipe(CS)

150mm dia Slotted PVC casing pipe(RS)

Reaming 200 mm dia pilot bore to 350mm dia bore as directed by the TWAD Board Officer Upto 60 m depth ending below ground level

Labour charges for inserting casing pipes assembly (With slot or without slot) in the drilled hole including welding the joint 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 (Minimum 8 Hours) including transportation, labour and fuel charges for compressor as directed by TWAD Officers and conducting yield test by ‘V’ notch method.

Conducting Electrical Logging Test including all charges etc., complete with as per standards

Suplying of Pipe materials for Water Supply etc., Complete As Follows etc. 75 mm HDPE hose

75 mm ss Collar

75 mm MS Clampset

75 mm Flange set

Wooden EB Box

10 HP Starter

63 A Main switch

100 Amps FuseCarrier

Bore cover

4 Sqmm core Cable

7/20 GI Pipe (3.00 m)

PVC insulation Tape (16.05 m)

GI Pipe L (80 mm)

GI Nipple 80 mm

GI Pipe 80 mm (1.00 m)

Supply and delivery of submersible motor and pumpset in the duty of 30 lpmx 100 m head of isi of approved company with isi make is 8034, 2.00 HP motor including cost and conveyance and all labour charges and all other incidental chargesVAT taxes etcand minimum one year guarantee . Complete as per standard specification.

Labour charges for errection Submersible pumpset in borewel including fixing and jointing cables with proper clamps upto starter to required depth valves errection pressure gauges upto the exterior wall of pump room and errection of panel borad with

Supply and run of 4 X 6 sq.mm (84/0.3) PVC insulated SC unsheathed Cu.Conductor of 1100V grade on 7/20 Gl bearer wire for service connection mains etc, complete as per standard specifications.SD 68

Supply and fixing of TNEB Board suitable for 3 Phases 63A service connection made up of suitable angle iron frame work of size 2 feet x 1 1/2 feet using angle iron of size 1 1/2" x 1 1/2" x 1/4" rigidly fixed on wall covered with hylem sheet of size 2 feet x 1/2 feet of 6mm thickness with necessary bolts and nuts supports and supply and fixing of 3 Nos 63A fuse units(500V) 1 No. Neutral link, copper earth flat of size 1" x 1/4" with inter connection of EB meter to fuse units by 7/16 PVC insulated copper wire with earth connection complete.SD 129

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

Protection arrangement to Bore well as per Board Circular No.F.ADD/AE2 (R) Kanchi/2002 /date 3.5.2002.

AATHVIK CONSTRUCTION