GE/BAS 57/2021-22 REPAIR AND MAINTENANCT OF EXTERNAL WATER SUPPLY INCLUDING GI / CI PIPE LINES, PUMPING SETS AND CLEANING OF OVERHEAD UNDERGROUND RESERVOIRS AT MADHOPUR STATION UNDER GE BASOLI.

Amount

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 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, leveling, watering and well ramming in layers not exceeding 25cm completed all as specified and directed.

Taking out of existing pipe of 80 mm dia and relaying to repair the joints rubber joints for DI pipe and led joints for CI pipe including shifting the existing location to adjacent location as per site requirement as directed.Note: - Earth work, joints etc. shall be measured and paid separately.

Taking out of existing pipe of 100 mm dia and relaying to repair the joints rubber joints for DI pipe and led joints for CI pipe including shifting the existing location to adjacent location as per site requirement as directed. Note: - Earth work, joints etc. shall be measured and paid separately.

Taking out of existing pipe of 150 mm dia and relaying to repair the joints rubber joints for DI pipe and led joints for CI pipe including shifting the existing location to adjacent location as per site requirement as directed. Note: - Earth work, joints etc. shall be measured and paid separately.

Supply and laying for 50 mm bore dia of Galvanized iron tubing "Medium grade" laid in trench, walls and ceilings or laid in floors with all fittings such as tees, bend, elbows, sockets reducer, nipples and union including taking out old unserviceable GI tubing, complete all as specified and as directed.

Supply and laying for 40 mm bore dia of Galvanized iron tubing "Medium grade" laid in trench, walls and ceilings or laid in floors with all fittings such as tees, bend, elbows, sockets reducer ,nipples and union including taking out old unserviceable GI tubing, complete all as specified and as directed.

Supply and laying for 25 mm bore dia of Galvanized iron tubing "Medium grade" laid in trench, walls and ceilings or laid in floors with all fittings such as tees, bend, elbows, sockets reducer ,nipples and union including taking out old unserviceable GI tubing, complete all as specified and as directed.

Supply and laying for 20 mm bore dia of Galvanized iron tubing "Medium grade" laid in trench, walls and ceilings or laid in floors with all fittings such as tees, bend, elbows, sockets reducer ,nipples and union including taking out old unserviceable GI tubing, complete all as specified and as directed.

Supply and laying for 15 mm bore dia of Galvanized iron tubing "Medium grade" laid in trench, walls and ceilings or laid in floors with all fittings such as tees, bend, elbows, sockets reducer, nipples and union including taking out old unserviceable GI tubing, complete all as specified and as directed.

Supply and laying for 80 mm bore dia of Galvanized iron tubing "Medium grade" laid in trench, walls and ceilings or laid in floors with all fittings such as tees, bend, elbows, sockets reducer ,nipples and union including taking out old unserviceable GI tubing, complete all as specified and as directed.

Supply and laying for 100 mm bore dia of Galvanized iron tubing "Medium grade" laid in trench, walls and ceilings or laid in floors with all fittings such as tees, bend, elbows, sockets reducer ,nipples and union including taking out old unserviceable GI tubing, complete all as specified and as directed.

Supply and fix in repair for 50 mm bore dia Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed.

Supply and fix in repair for 40 mm bore dia Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed.

Supply and fix in repair for 25 mm bore dia Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed.

Supply and fix in repair for 20 mm bore dia Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed 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 mortar 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 of Make : Electro steel/ Jindal / Kesoram Note:- Joints, excavation and earth work and fittings shall be measured and paid separately.

Taking out old unserviceable sluice valve and supply and fix new cast iron sluice valve flange type of 150 mm dia PN 1.6 grade with stainless steel spindle & brass check nut (non raising spindle type conforming to IS - 14846) including fixing to pipe line with nuts, bolt and washers, rubber gasket (neoprene) complete (Joints, excavation and earth work and fittings shall be measured and paid separately) complete all as specified and directed.

Supply and fix in repair for CI fittings for spigot socketed /flanged pipe up to 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. (Note:-Joints shall be measured and paid separately).

Supply and fix in repair for DI fittings for spigot socketed /flanged pipe up to 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. (Note: - Joints shall be measured and paid separately).

Material and labour for run lead joints for CI pipe (water main) and fittings for 150mm bore spigot and socket pipes complete all as specified and directed .

Material and labour for run lead joints for CI pipe (water main) and fittings for 100mm bore spigot and socket pipes complete all as specified and directed .

Material and labour for run lead joints for CI pipe (water main) and fittings for 80mm bore spigot and socket pipes complete all as specified and directed .

Material and labour for Cutting existing cast iron water main pipe line 80mm to 150mm bore in position for making branch connection (insertion of cast iron Tee) including excavation and earth work complete all as specified and directed. Note: Cast iron fittings such as tee, bends, collar, reducer etc joint and jointing material for fixing of cast iron fittings shall be measured and paid separately.

Material and Labour to drain out water from overhead tank of capacity 25000 to 50000 Gallon, cleaning of internal and external portion/ walls of RCC sump, removing all dirt, dust and vegetation with the help of wire brush and applying two coat of lime wash in internal surfaces of overhead tank and writing in words/ figure of size 10mm thick for following details complete all as specified and as directed. :- (a) Date of cleaning :- (b) Due date of cleaning (c) Capacity of tank. Note - The rates for all T&P using for cleaning for sump shall be inclusive of these item no any extra cost shall be paid to the contractor)

Supply and fix in repair for submersible cable flat copper conductor 25 sq mm, 3 cores, 1100 volts complete al as specified and directed.

Supply and fix for MS column pipe heavy duty with flanged welding of size 100 mm dia having length 10 feet (3 mtr) long including taking out old unserviceable MS column pipe from bore well and as directed.

Supply only calcium hypo chlorite 65 to 70 % chlorine content calcium based granular (Mesh passing through - 100 BSS) 1.1 (+ or - 0.1%) for disinfectant of water treatment daily as per MES norms. Make - Aqua fit or equivalent as approved by GE.

Material and labour for lifting and lowering of submersible pump set 25/40 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 as directed .

Repair/maintenance of unserviceable submersible pumping set 25 to 40 HP of capacity from bore well and dismantling and strip opening of 3 phase 415 volt, 2900 rpm 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, stainless steel pump shaft etc , complete servicing, cleaning, greasing , reassembling including testing at site on full load complete all as specified and directed. Notes: - Parts shall be replaced as per recommendation of BOO.

Repair o the electrically operated chlorine dozing preparation unserviceable tank including replacement of consisting of FRP dozing of 170 ltrs capacity with electric driven agitator single phase of suitable capacity with standard fitments in order to make the pump parameters to maintain uniform suspension throughout the tank with PE/FRP lid in level including replacement of unserviceable gauge along with single phase operating mechanism arrangement and unserviceable agitator, unserviceable shaft and blade in plastic mounted on the tank complete with lid complete in all respect , all the parts shall be replaced as per norms of OEM and testing after repair will be carried out complete all as specified and directed. Notes: - Parts shall be replaced as per recommendation of BOO.

Repair to reciprocating pump chemical feeder for injecting calcium hypochlorite employing including replacement of operating reciprocating chemical system having output of 10-150 LPD and adjustable high pressure of up to 5-7 Kg/cm with high pressure single head gear system adjustable dozing pump, suitable for working on single phase supply with replacement of mandatory accessories like lead tubing, connecting nuts, viay weight, ferrulus, liquid end of dozing system including unserviceable service tanks of cap 100Ltrs complete in all respect all the parts shall be replaced as per norms of OEM and after repair testing will be carried out in the presence of Engr-in charge complete all as specified and directed. Note ;- Parts shall be replaced as per recommendation of BOO.

Supply and fixing in replacement CI impeller suitable for 25 HP submersible pump including provision of phasing, cutting of key way etc complete to match with the size of pump shaft complete in all respect as specified and required at site. Note for Item 34 to 40 and 42 :- Parts shall be replaced as per recommendation of BOO.

Supply and fixing in replacement CI impeller suitable for 40 HP submersible pump including provision of phasing, cutting of key way etc complete to match with the size of pump shaft complete in all respect as specified and required at site.

Supply and fixing in replacement Gun metal bush suitable for impeller 25 HP submersible pump including provision of phasing, cutting of key way etc complete to match with the size of pump shaft complete in all respect as specified and required at site.

Supply and fixing in replacement Gun metal bush suitable for impeller 40 HP submersible pump including provision of phasing, cutting of key way etc complete to match with the size of pump shaft complete in all respect as specified and required at site.

Supply and fixing in replacement impeller outer body suitable for 25 HP submersible pump including necessary bolts and spring washers complete to match with the existing in all respect as specified and required at site.

Supply and fixing in replacement impeller outer body suitable for 40 HP submersible pump including necessary bolts and spring washers complete to match with the existing in all respect as specified and required at site.

Supply and fixing in replacement stain less steel shaft suitable for 25 HP submersible pump including provision of way to fix the bushes for impellers etc complete to match with the existing size of pump shaft complete in all respect as specified and required at site.

M&L for Collecting samples for water in sample bottles and testing of water samples in different pockets of Basoli in respect of the following parameters, to get it tested from state public health laboratory or NABL accredited Lab, complete all as specified and directed. Note: The parameter to be tested as per IS: 10500-2012 Shall be colour, odder, turbidity, PH value total dissolved solids, Aluminum, Ammonia, detergents, Barium, Boron, Calcium, Chloramines, chloride, copper, fluoride, free residual chlorine, iron, magnesium, Manganses, mineral oil, nitirates, silver, suplhate, suphide, all chemical parameters. Note:- The testing charges shall be borne by the contractor.

Supply and fixing in replacement stain less steel shaft suitable for 40 HP submersible pump including provision of way to fix the bushes for impellers etc complete to match with the existing size of pump shaft complete in all respect as specified and required at site.

G.M. ENGINEERING SERVICES

BALKRISHAN GUPTA AND SONS

KALSI CONSTRUCTION CO

SHUSHANT ASSOCIATES