GE/BAS-68/2023-24 Repair maint of borewell including redevelopment and repair of indoor outdoor panel and its allied services at Basoli and Janglote Under GE Basoli

Amount

Material and labour for lifting and lowering of submersible pump set 25 to 40 HP capacity and of size 80/100mm bore of dia with flanged column pipe (each length of column pipe not more than 3 mtr) maximum depth of submersible pump not more than 150mtr by opening the column pipe after removing old burnt/rusted nut bolts, washers including replacement of rubber gasket and nut bolts and washer etc. complete all as specified and directed .

Development of bore well of any capacity size, not more than 160 mtrs deep at the pressure not less than 7 Kg/Sqcm by diesel engine driven air compressor of capacity 450cfm with & including air pipe and connected items to achieve the minimum yield of 3 litres per second of tube well complete all as specified and directed.

M & L for Stage wise back washing by sealing the borewell of any capacity and including in order to clear all the slots/Removing all the clogging with carefull monitoring that strainer of borewell burst complete all as specified and directed .

M& L for borewell of any capacity with capillary action process/test by including upward flow of water by cohension & adhesion caused by air pressure moderate to seewer release complete all as specified and directed .

M& L for borewell of any capacity with instrument & procedure to test/record draw down pressure of borewell in order assess the maximun discharge of borewell as on previous record complete all as specified and directed .

M& L of borwell of any capacity with aquifer performance test by developing /testing ar a constant rate to evaluate aquifer & borewell hydrullic properties complete all as specified and directed. Note for item No 2 to 6:- (i) Log sheet of development of borewell done by compressor shall be maintaned at site and no any extra payment for transportation of air compressor will be paid to contractor. (ii) Tool & Plants, Compressor & accessories with desel and driver shall be provided by contractor at the own cost and arrangement.

M&L for packing with pea gravels of size 3 to 6 mm natural shape brought direct from river bank packing around casing pipe to entire depth upto ground level complete all as specified and directed.

Over pumping with the help of suitable size of pump and accessries and stand by DG set in order to ensure continuos pumping f for 24 hours and yeild test by "V" notch method/Orfice method complete all as specified and directed. Note :- The cost of provision/ hiring and transportation of all T&P required for testing and other equipments required are deemed to be included in quoted rate.

M&L for biological and potability testing of water sample carried out from NABL approved lab water testing to be done for organoleptic & physical parameter for general parameters concerning substance undesireable in excessive amount for parameters concerning toxic substance for pesticide residual limit and biological test of water sample as per IS-10500 (2012) complete all as specified and directed.

Dismantling and step opening of burnt out electric motor of capacity 25 HP to 40 HP and rewinding with supper enameled copper wire of existing gauge, number of turns, insulating and heat varnishing, greasing complete including replacement of bushes, bearing check nut, and other required parts and applying two coats of synthetic enamel paint over a coat of red oxide primer to external surface of motor and testing complete all as specified and directed.

Repair/maint of unserviceable submersible pumping set 25 to 40 HP of capacity from bore well and dismantling and strip opening of 3 phase 415 volt, AC submersible pump at site in presence of Engineer-in-charge for checking complete carrying pump set to workshop for repair of pump set, dismantling and step opening to complete of under mentioned capacity and segregate all serviceable parts and kept at site for reuse of unserviceable parts/spares such as CI/ GM impeller,necking bowl bushes, sand cap, CI intermediate bowl, s/s pump shaft etc. complete servicing, cleaning, greasing, reassembling including testing at site on full load complete all as specified and directed.

Supply and fix MS coloum pipe heavy duty with flanged welding of size 80 mm dia having length 10 feet (3 mtr) long including taking out old unserviceable MS coloum pipe from bore well complete all as specified and directed.

Supply and fix in repair for submersible cable flat copper conductor 16 sq mm, 3 core, 1100 volts complete all as specified and directed.

Excavation in trenches n. exc. 1.5 mtr wide and n. exc. 1.5 mtr in depth for laying of CI/GI water tubing and getting out in any type of soil complete all as specified and directed.

Removing excavated material to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5M above the starting point completed all as specified and directed.

Returning filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick each complete all as specified and directed.

Supply, laying, jointing and testing of Ductile Iron pipe, sockets and spigot end, class K-9 of 150 mm dia (6") ISI marked, including special fittings suitable for push on jointing with inside cement mortor lining, external metallic zinc coating followed by finishing layer of black bitumen coating, pipe laid in trenches, joints and jointing materials as per OEM specifications and testing including taking out old unserviceable DI pipe complete all as specified and directed. Note:- Joints, excavation and earth work and fittings shall be measured and paid separately.

Supply, laying, jointing and testing of Ductile Iron pipe, sockets and spigot end, class K- 9 of 100 mm dia (4") ISI marked, including special fittings suitable for push on jointing with inside cement mortor lining, external metallic zinc coating followed by finishing layer of black bitumen coating, pipe laid in trenches, joints and jointing materials as per OEM specifications and testing including taking out old unserviceable DI pipe complete all as specified and directed. Note:- Joints, excavation and earth work and fittings shall be measured and paid separately.

Supply and fix for CI fittings for spigot socketed /flanged pipe upto 150mm bore such as bends (any type, radius and angle) tapers any type (straight, bend, increasing, decreasing or double socket etc), tee, joint pieces, single branch 'Y' junction double branch cross (all sockets or socket and spigot) collars caps complete all as specified and directed.

Supply and fixing of mild steel cover on sluice/gate valve chamber of size not more than 900x900 mm with M.S angle chowkhat of size 40x40x5 mm & shutter with 2 mm M.S sheet including flat at the edges of M.S Sheet & necessary hinges and M.S handle provision including two coats of synthetic enamel paint over one coat of red oxide primer complete all as specified and directed.

Abrol construction co

INDERJIT SINGH