DIGGING OF BOREWELL

Amount

Digging of Borewells anywhere in TamilNadu including transportation from one place to another within Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc., By first taking a pilot bore of 140mm/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. Below Ground level

Reaming 140/150mm dia pilot bore to 300mm dia Upto 60m depth ending below ground level as directed by the department officers and as per standard specification.

Supply and delivery of PVC pipes 6KSC of size 200mm dia (Casing Shallow) as per standard specification of ISI-12818/1992 and standard weight including loading and unloading, stocking taxes and delivery at size of work etc., complete as directed by the departmental officers

Labour charges for inserting 200mm Casing Shallow PVC casing pipes assembly (with slots or without slots) in the drilled hole including jointing the pipes with PVC Couplers with Cement paste etc., complete. Supply and packing the annular space with pebbles of size and quality as approved by the departmental officers

Drilling of 160/180 mm dia vertical bores well in hard rock formation to any required depth as directed by the departmental officers including labour charges for inserting casing pipe assembling in the drilled hole, including watering the joints if necessary grouting the casing pipe etc., and including transportation charges for the rig and supporting vehicles from one place to another place. for depth from 19- 150m

for depth from 151- 180m

for depth from 181-210m

for depth from 211-240m

for depth from 241-270m

for depth from 271-300m

Charges for developing the Bore well with air compressor of 600 CFM capacity (Minimum 8 Hours) including transportation, labour and fuel charges for compressor as directed by the departmental officers and conducting yield test by 'V' notch method etc., complete as directed by the departmental officers and as per standard specification. Note: 150mm dia bore, reaming should be done upto 300mm dia

Supply and delivery of clear water vertical wet type submersible pumpset (Duty 50lpmx25m) suitable for SUMP conforming to IS 8034/2002 with latest amendments and BEE 3 star rated capable of discharging noted LPM against head of water column due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze or Cast SS impeller, brass screws and CI GF 200 grade pump bowl/dif user with ISI mark. The pump shall be directly coupled a continuous rate two pole suitable wet type vertical squirrel cage induction motor as per IS 9283 suitable for operation in AC 3 phase 415 V+/-10% 50HZ +/-5% and as directed by the departmental officers. (Reputed brand like kirloskar, texmo or equivalent) The brand and quality of the submersible pumpset and materials should be got approved from the departmental officers. 1.00HP Monoblock pump

Electric Motor Pumpset 7.5HP 100LPM 275M Head etc,. Complete

Supply of three phase panel board with two level guard and auto start for suitable for 7.5HP etc., complete as directed by the departmental officers and as per standard specification

Supply and delivery of 50mm diameter (2" diameter) UPVC - Column pipes etc., complete as directed by the departmental officers and as per standard specification

Supply and fixing of 50mm diameter UPVC Column Adoptor etc., complete as directed by the departmental officers and as per standard specification

Cable-Tag- each at 1m interval etc., complete as directed by the departmental officers and as per standard specification

Supply and delivery of 4sq.mm PVC insulated 3 core flat type copper cable conforming to IS 694/1990 etc., complete as directed by the departmental officers and as per standard specification

supply of nylon wire rope 18mm etc., complete as directed by the departmental officers and as per standard specification

Supply of 200mm PVC End cap etc., complete as directed by the departmental officers and as per standard specification

Supply of MS Clamp set 50mm etc., complete as directed by the departmental officers and as per standard specification

Supply of GI Bend 50mm etc., complete as directed by the departmental officers and as per standard specification

Supply of FLANGE SET 50mm etc., complete as directed by the departmental officers and as per standard specification

Supply of HEX Nipple 50mm etc., complete as directed by the departmental officers and as per standard specification

Supply of NON RETURN VALVE 50mm etc., complete as directed by the departmental officers and as per standard specification

Supply of 50mm diameter GI pipe (MEDIUM) for delivery etc., complete as directed by the departmental officers and as per standard specification

Labour charges for the erection of submersible pumpset in sump including fixing and jointing submersible cable with proper clamps up to the starter to the required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and jointing the cables and twin earthing as per IE rules etc., complete and testing the pump set and trail run for 10 days etc., complete as directed by the departmental officers and as per standard specification

Labour charges for the erection of submersible pumpset 5 to 10 HP in borewell/open well including fixing and jointing submersible cable with proper clamps up to the starter to the required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and jointing the cables and twin earthing as per IE rules etc., complete and testing the pump set and trail run for 10 days etc., complete as directed by the departmental officers and as per standard specification

Supply of PVC rigid pipes 25mm (1") diameter 1.8mm thick to cover the under ground cables etc., complete as directed by the departmental officers and as per standard specification

84/0.3 (6sq.mm) PVC insulated single core multistand fire retardant flexible copper cable with ISI mark conforming to IS 694/1990. etc., complete as directed by the departmental officers and as per standard specification

Twin GI Earthing - Upto 25 HP (p141) etc., complete as directed by the departmental officers and as per standard specification

Supply of insulation tape PVC 19mm etc., complete as directed by the departmental officers and as per standard specification

Cociant Tape etc., complete as directed by the departmental officers and as per standard specification

Supply and laying and jointing UPVC pipes etc., complete as directed by the departmental officers and as per standard specification. 25mm dia UPVC pipe

20mm dia UPVC pipe

Supplying and fixing in position of UPVC specials of following dia and types of approved quality conforming to BIS and providing leak proof joints including fixing to the walls and giving connection to UPVC pipes and dismantling the masonry of RCC walls and re-doing the dismantled portion to original condition etc complete complying with standard specification. UPVC Elbow-20mm dia

UPVC Elbow-25mm dia

UPVC TEE-20mm dia

UPVC TEE-25mm dia

UPVC Reducer-20mm x 15mm

UPVC Reducer-25mm x 20mm

UPVC Reducer Elbow-20mm x 15mm

UPVC Control Valve-25mm dia

Supply & fixing in position of 15mm dia brass CP wall water tap (heavy duty) of approved make conforming to BIS specifications and quality including cost of shellac, thread etc., complete complying with standard specification and including cutting and threading wherever necessary (Taps should be got approved by the departmental officers before use on the works) 15mm dia CP long body wall tap

15mm dia CP short body wall tap

GST (Note: The tenderer should quote the amount towards Goods and Service tax (GST) in the appropriate columns in terms of percentage (%). If not quoted, it will be considered that the rate quoted is inclusive of GST.)