REPAIR/MAINTENANCE OF BOREWELL COLUMN PIPES AND CONNECTED ITEMS AT JAIPUR MIL STN UNDER AGE E M OF GE JAIPUR

Amount

M & L Taking including lifting of out submersible pump set of Capacity 7.5 HP, 3 phase, 415 volts, 50Hz, AC supply along with column pipe of any size from the bore well inside/outside room after disconnecting electric connection, dismantling of pump and motor for repairing/ replacing defective parts as ordered, oiling, greasing as required and re-assembling and testing including replacing worn out nuts, bolts, washers complete and lowering the same after repairing and making electrical and delivery pipe connections complete all as specified and directed. Note : - (i) The spare part required for replacement shall be measured & paid for separately as supply only under item No

Supply only, stainless steel pumpshaft.

Supply only, gun metal impeller with neck key and distance bush.

Supply only Shaft bush.

Supply only thrust bearing with plate of pump :

Supply only rubber gasket 3mm thick having 4 Nos of 5/8" dia hole.

Cutting of burnt winding and rewinding the stator with PVC insulated copper wire of suitable size and class of insulation including insulation paper, sleeves, thimbles etc.

M & L Taking out / lifting out of submersible pump set of Capacity 10 HP to12.5 HP, 3 phase,415 volts, 50Hz, AC supply along with column pipe of any size from the bore well outside/inside room after disconnecting electric connection, dismantling of pump and motor for repairing/ replacing defective parts as ordered, oiling, greasing as required and re-assembling and testing including replacing worn out nuts, bolts, washers complete and lowering the same after repairing and making electrical and delivery pipe connections complete all as specified and directed. Note : - (i) The spare part required for replacement shall be measured & paid for separately as supply only under item

Supply only, stainless steel pumpshaft.

Supply only, gun metal impeller with neck key and distance bush.

Supply only Shaft bush.

Supply only thrust bearing with plate of pump

Supply only rubber gasket 3mm thick having 4 Nos of 5/8" dia hole.

Cutting of burnt winding and rewinding the stator with PVC insulated copper wire of suitable size and class of insulation including insulation paper, sleeves, thimbles etc.

Supply and fix in repair of fully automatic star delta starter MUG 20 suitable 20 HP Capacity complete all as specified and directed. Make- L&T Cat part No SS-95975 or equivelent as approved by GE.

Supply and fix in repair MCCB TPN (4 pole) 63 Amp , 415 volts, 50 Hz 16KA ,Thermal magnetic type complete all as specified and directed.

Supply and fix in repair MCCB TPN (4 pole) 100 Amp , 415 volts, 50 Hz 16KA ,Thermal magnetic type complete all as specified and directed.

Supply & fix in repair cable jointing kit for 1.1 KV grade cable for straight through heat shrinkable joint complete with jointing material and accessories including necessary earth work suitable for 3.5 core XLPE / PVC armoured AI conductor cable of following sizes :- (a) 16 Sqmm to 50 Sqmm

70Sqmm to 120 Sqm.

Supply & fix in replacement electronic motor protection relay upto 15 HP motor inbuilt CT,trip indication,current unbalance, phase sequence reversal complete all as specified and directed.

Supply & fix in repair for single phase preventor 415 Volt upto 15 HP motors as per existing complete all as specified and directed.

Supply & fix in repair for ampere meter with CT,s of range 0-30 amps, Accuracy 0.5 , as per existing complete all as specified and directed.

Supply & fix in repair for voltmeter with PT,s of range 0-500 volts as per existing complete all as specified and directed.

Supply & fix in repair for over load relay coil 37-50 Amp, 230 volts type RT23V as per existing complete all as specified and directed.

Supply and fix in repair MS nuts, bolts with washer of 5/8 inch dia 4 inch long complete all as specified and directed.

S&F in repair of following size column pipe both side flanged GI Medium grade ISI marked ( Each of 3 m length) including taking out old corroded column pipe both side flanged complete all as specified and directed. (a) 80 mm bore

50 mm bore

Supply and fix jointing kit for submersible cable of 1100 volts grade of 4/6/10 sqmm 3 core , complete all as specified and directed. .

Supply and fix in repair submersible copper cable PVC insulated over all sheethed flat ISI marked of 1100 volts grade of 6 sqmm 3 core complete all as specified and directed.

Supply and fix in repair submersible copper cable PVC insulated over all sheethed flat ISI marked of 1100 volts grade of 4 sqmm 3 core complete all as specified and directed.

Disconnecting and taking out exisitng LT over heated or burnt cable terminal/ joint at panel/fidder piller & unserviceable portion of LT cable of any size , after that stretching/ opening cable to suitable required length etc and fixing aluminium lugs / joint material and suitable nuts bolts & washer etc complete all as specified and directed. by Engr-in-charge. Note : Excavation for cable loop and refilling as per existing is deemed to be included in above quoted rate.

Taking out old unsv steel tubing and connections from walls and ceilings trenches, under floor or road, complete all as specified and directed of following sizes :- (a) 80 mm bore of pipe

50 mm bore of pipe

M&L for galvanised steel tubes "medium grade " (ISI marked) with all fitting( ISI marked) and fixed complete to walls and ceilings or laid in floors/trenches and under road, complete all as specified and directed of the following sizes :- (a) 80 mm bore of pipe

50 mm bore of pipe

M & L for non return valves,of undermentioned type and 80 mm size with cast iron body and both ends flanged, IS-14846 marked comlete with neoprene rubber gasket ,jointing material and incl nuts/bolts/washer of suitable size etc complete all as specified and directed including taking down old unsv.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth and getting out in any type of soil including trimming of tree roots in trenches complete all as specified and directed.

Returning, filling-in, including spreading, watering and well ramming in layers not exceeding 25 cm thick each, in soft /loose soil complete all as specified and directed.

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

M & L Sand cushioning to PVC under ground cable with screened and washed tibba sand (non cohessive) and punning to provide a required cover complete all as specified and directed. Note : Punned thickness shall only be measured for payment.

M & L Bricks for protection cover to under ground cable (with old size sub class ‘B’ bricks) laid flat abutting each other with width of protection being equal to length of brick. The gap between adajcent bricks shall not exceed 10 mm as directed by Engineer-in-Charge.

Supply ,Laying, Jointing, testing & commissioning LT under ground cable XLPE insulated, screened PVC bedded, galvanised steel strips or wire armoured, heavy duty with multi stranded aluminium conductor, 1100 volts grade (ISI marked) laid in trenches, ducts, pipes or fixed on poler of size 25 Sqmm 3 ½ core including taking down old unserviceable cable complete all as specified and directed.

Supply ,Laying, Jointing, testing & commissioning LT under ground cable XLPE insulated, screened PVC bedded, galvanised steel strips or wire armoured, heavy duty with multi stranded aluminium conductor, 1100 volts grade (ISI marked) laid in trenches, ducts, pipes or fixed on pole of size 35 Sqmm 3 ½ core, including taking down old unserviceable cable complete all as specified and directed.

M&L Earthing complete as per electrical plate No 3 of MES SSR Part I with galvanised steel plate earth electrode 60 cm x 60 cm x 6.0mm, burried directly vertically in ground in a pit of depth not less than 2.5 metres below ground level with the top edge of earth plate at a depth not less than 1.8m below normal ground level connected to and including galvanised iron or steel earth strip 32X6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel. Earthing wire protected by galvanised iron or steel pipe 40mm bore light grade and connected to continuous earth wire on pole/ test point. Watering pipe shall be 20mm bore GI medium grade. The earthing shall be inclusive of excavation and earth work in any type of soil,charcoal, salt,funnel , PCC pit and RCC cover complete all as specified & directed. Note 1 - following items deemed to be included in quoted rate (a) Earth electrode. (b) Main earthing lead from earth electrode to test point and further to equipment to be earthed upto 7.5 metre. (c) Material and labour for connecting earth electrode and earthing lead as specified. (d) Adequate quantity of charcoal dust and common salt as per direction. (e) All labour involved including testing of earth net work. (f) Excavation and earth work or drilling hole for electrode. (g) P.C.C. pit and C.I. cover. (h) Funnel with watering pipe, wire mesh and copper lugs etc. as specified. (j) G.I. protection pipe of size ordered specified for protection of earthing lead from mechanical injury or tempering. Note 2 - On testing after completion if the desired earth resistance is not obtained the earthing will be redone at no extra cost.

M&L for development of tube well with manually cleaning of borewell through necessary arrangement for indoor and outdoor borewells at different location of Jaipur Mil Stn complete all as specified and directed.

M&L for Development of tube well with compressed air and after with 25% extra capacity pump by pumping muddy water complete all as specified and directed.

Less Schedule of Credit

yash enterprises (BID ID -3177134)

S.R.Enterprises (BID ID -3182792)

DIVYA ASSOCIATES (BID ID -3177907)

SHREE BHAGWATI ENTERPRISES (BID ID -3175477)