REPAIR/MAINTENANCE OF WATER SUPPLY SYSTEM, CONTROL VALVE CLEANING OF OVER HEAD RESERVOIR AND ALLIED SERVICES AT DINJAN MIL STN UNDER GE DINJAN

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m deep and getting out in soft/loose soil complete all as specified and as directed.

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

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

M&L for filling gland packing to control water leakage in sluice valve and centrifugal/monoblock pump sets of any capacity any type as and when required complete all as specified and as directed.

S&F in repair PP-R gate valves of size 25 mm outer dia (brass insert) connect to PP-R pipe complete all as specified and as directed.

S&F in repair PP-R gate valves of size 32mm outer dia (brass insert) connect to PP-R pipe complete all as specified and as directed.

S&F in repair PP-R gate valves of size 40mm outer dia (brass insert) connect to PP-R pipe complete all as specified and as directed.

S&F in repair PP-R gate valves of size 50mm outer dia (brass insert) connect to PP-R pipe complete all as specified and as directed.

S&F in repair PP-R gate valves of size 63mm outer dia (brass insert) connect to PP-R pipe complete all as specified and as directed.

S&F in repair PP-R ball valves (heavy plastic) of size 110 mm outer dia (brass insert) connect to PP-R pipe complete all as specified and as directed.

M&L in repair 15 mm dia stop valve cast copper alloy screwed down, high pressure with crutch or butterfly handle screwed both end for iron pipe or for union complete all as specified and as directed.

M&L in repair 20 mm dia stop valve cast copper alloy screwed down, high pressure with crutch or butterfly handle screwed both ends for iron pipe or for union complete all as specified and as directed.

M&L in repair 25 mm dia stop valve cast copper alloy screwed down, high pressure with crutch or butterfly handle screwed both ends for iron pipe or for union complete all as specified and as directed.

M&L in repair 40 mm dia stop valve cast copper alloy screwed down, high pressure with crutch or butterfly handle screwed both ends for iron pipe or for union complete all as specified and as directed.

M&L in repair 50 mm dia stop valve cast copper alloy screwed down, high pressure with crutch or butterfly handle screwed both ends for iron pipe or for union complete all as specified and as directed.

M&L in repair 15mm bore bib taps, cast copper alloy with crutch or butterfly handle screwed down, screwed for iron pipe or brass ferrule of 15mm bore complete all as specified and as directed.

S&F in repair fabrication of cover of pressed steel overhead water tank made out of MS sheet 5.0mm thick, MS flat, angle iron of suitable size by cutting welding providing hinges, handle, hold fast and grouting including applying two coats of synthetic enamel paint of approved colour over a coat of red oxide, zinc chrome primer after preparation of new steel surfaces complete all as specified and as directed.

Developing tube well with air compressor of suitable capacity till sand/mud free water of potable quality to be obtained and to achieve maximum discharging capacity of 30000 GPH complete all as specified and as directed. Note : Compressor with accessories and fuel shall be arranged by the contractor.

M&L for cleaning and washing RCC overhead reservoir, 1.5 Lakhs gallon capacity internally installed at different place at Dinjan, cleaning by brooming and rubbing with coir brush, taking out of silt/mud and washing with water including painting to internal metal surfaces with paint suitable for drinking water, applying one coat of lime and marking capacity of tank, date of cleaning, next due date complete all as specified and as directed.

M&L for cleaning and washing RCC overhead reservoir, 1 Lakhs gallon capacity internally installed at different place at Dinjan, cleaning by brooming and rubbing with coir brush, taking out of silt/mud and washing with water including painting to internal metal surfaces with paint suitable for drinking water, applying one coat of lime and marking capacity of tank, date of cleaning, next due date complete all as specified and as directed by the Engr-in-Charge.

M&L for cleaning and washing RCC overhead reservoir, 0.75 Lakhs gallon capacity internally installed at different place at Dinjan, cleaning by brooming and rubbing with coir brush, taking out of silt/mud and washing with water including painting to internal surfaces with paint suitable for drinking water, applying one coat of lime and marking capacity of tank, date of cleaning, next due date complete all as specified and as directed.

M&L for cleaning of valve pit chamber with sluice valve, pipes etc, 150mm to 200mm dia including replacement of existing wornout/defective gland packing, nut, bolt and washer, etc with new one to make the sluice valve perfectly leak proof including making of flow direction of inlet and outlet pipe line with necessary colour coding with one coat of synthetic enamel paint after preparation of old steel surfaces valve pit cover complete all as specified and as directed.

M&L for cleaning of valve pit chamber with sluice valve, pipes etc, 80mm to 100mm dia including replacement of existing wornout/defective gland packing, nut, bolt and washer, etc with new one to make the sluice valve perfectly leak proof including making of flow direction of inlet and outlet pipe line with necessary colour coding with one coat of synthetic enamel paint after preparation of old steel surfaces valve pit cover complete all as specified and as directed.

M&L in repair brick masonry valve pit of size 90cm x 90cm x 90 cm (internal dimensions) including concrete work and construction of similar size valve pit with one brick thick wall in cement mortar (1:4) on 100mm thick PCC (1:4:8) type D2 (using 40mm graded broken stone aggregate) as in foundation lean concrete, including PCC (1:3:6) type C-1 (using 20mm graded crushed stone aggregate) as in benching and coping and 10mm thick rendering in cement mortar (1:4) internally and externally upto 15cm below ground level valve pit cover made out of 40x40x6mm angle iron frame all round fixed by means of 4 Nos holdfast 150mm long made out of flat iron 40x6mm embedded in PCC block (1:2:4) type B-1 (using 20mm graded crushed stone aggregate) of size 230x200x100mm including hinges welded with angle iron frame and MS cover 3mm thck sheet, MS handle of suitable length and size welded with MS cover and suitable locking arrangement and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

M&L for preparation of old painted steel surfaces (horizontally or vertically 18 mtr height) and applying one coat of synthetic enamel paint any description over 10 cm in width or girth not otherwise described duly marking the flow of water with colour as approved including temporary bamboo stagging arrangement as required complete all as specified and as directed.

M&L for preparation of old painted surfaces and applying one coat of synthetic enamel paint any description over 10cm in width or girth not otherwise described with colour as approved complete all as specified and as directed

Demolition of cement concrete (unreinforced) in ground floor and pavings not exceeding 15cm thickness below or above ground level) complete all as specified and as directed.

M&L for plain cement concrete (1:2:4) type B-1 (using 20mm graded stone aggregate) in foundation of pipe supports/platform etc including necessary form work complete all as specified and as directed.

M&L for rendering 10mm thick on fair faces of concrete surfaces in cement mortar (1:4) complete all as specified and as directed.

Burning out existing lead joint in position including removing old lead and keeping in safe custody for re-use for CI pipe 200 mm bore complete all as specified and as directed.

Burning out existing lead joint in position including removing old lead and keeping in safe custody for reuse for CI pipe 150 mm bore complete all as specified and as directed.

Burning out existing lead joint in position including removing old lead and keeping in safe custody for re-use for CI pipe 100 mm bore complete all as specified and as directed.

Burning out existing lead joint in position including removing old lead and keeping in safe custody for reuse for CI pipe 80 mm bore complete all as specified and directed. Note for item No. 30 to 33 : Excavation and earth work shall be measured and paid separately under relevant item.

Fixing only run lead joint for CI spigot and socket pipes and fittings for 200 mm bore pipe with using old serviceable lead obtained from item No. 30 here-in-above including new spun yarn complete all as specified and as directed.

Fixing only for run lead joint for CI spigot and socket pipes and fittings for 150 mm bore pipe with using old serviceable lead obtained from item No. 31 here-in-above including new spun yarn complete all as specified and as directed.

Fixing only for run lead joint for CI spigot and socket pipes and fittings for 100 mm bore pipe with using old serviceable lead obtained from item No. 32 here-in-above including new spun yarn complete all as specified and as directed.

Fixing only for run lead joint for CI spigot and socket pipes and fittings for 80 mm bore pipe with using old serviceable lead obtained from item No 33 here-in-above including new spun yarn complete all as specified and as directed.

M&L for run lead joint for CI spigot and socket pipes and fittings 200mm bore and other jointing materials complete all as specified and as directed.

M&L for run lead joint for CI spigot and socket pipes and fittings 150mm bore and other jointing materials complete all as specified and as directed.

M&L for run lead joint for CI spigot and socket pipes and fittings 100mm bore and other jointing materials complete all as specified and as directed.

M&L for run lead joint for CI spigot and socket pipes and fittings 80mm bore and other jointing materials complete all as specified and as directed.

Cleaning de-sludging and removing of all scales and dirt etc. from external surfaces/at platform OH pressed steel tank of capacity 8000 to10000 gallons installed at height of 15 to 40 feet staging complete all as specified and as directed.

S&F in repair bracing, supports, cleats, clamp, etc as per existing size and thickness fabricated from stuructural steel such as angles, flat, channel, etc as required for pressed steel tank & staging at 12 m to 15 m height including cutting, drilling holes, welding as necessary to suit the site requirement and including two coats of lead free black bituminous paint suitable for drinking water internally and two coats of aluminium paint over a coat of red oxide, zinc chrome primer externally after preparation of steel surfaces complete all as specified and as directed.

Dismantling existing pressed steel plate of size 1.22m x 1.22m x 5mm thick including taking out jointing bolts, nuts, washers, etc from 10000 gallons over head pressed steel tank installed at 12 to 15 m high staging for repair, cleaning, replacement of unserviceable plates, etc and removing unserviceable plates from site and keeping serviceable plates, bolts & nuts in safe custody for reuse in work complete all as specified and as directed. Note : Cost of staging/working platform as involved for the above operation in deemed to be included in the unit rate quoted by the tenderer.

S&F for factory made pressed steel plate of size 1.22m x 1.22m x 5mm thick placed on existing position at 12 m to 15 m high staging of over head water tank including necessary jointing/connecting materials such as lead wool, rubber gasket, bituminous compound with & including (new) mild steel bolts, nuts, washers, etc as required at site to make the joints perfectly leak proof all as per manufacturer's insturctions including testing of water tightness of the tank complete and including painting with two coats lead free black bituminous paints suitable for drinking water internally over a coat of primer and two coats of aluminium paint over a coat of red oxide, zinc chrome primer externally after preparation of steel surfaces complete all as specified and as directed. Make : Buildsworth or as per existing/equivlant.

Fixing only serviceable pressed steel plate obtained from item No 44 above after necessary repair, adjustment, cleaning, washing etc and connecting with jointing materials such as lead wool, rubber gasket, bituminous compound, bolts, nuts & washers etc as required to make the joints perfectly leaf proof and testing for water tightness of the tank complete all as specified and as directed. Note : (a) Old serviceable bolts & nuts obtained from item No 44 above shall be reused after cleaning. (b) New bolts, nuts & washers wherever required as a replacement of old one as directed by the Engr-in-Charge shall be measured and paid separately as Supply only under relevant item.

Dismantling existing pressed steel plate of size 1.22m x 3.75m x 3mm thick including taking out jointing bolts, nuts, washers, etc from 10000 gallons over head pressed steel tank installed at 12 to 15 m high staging for repair, cleaning, replacement of unserviceable plates, etc and removing unserviceable plates from site and keeping serviceable plates, bolts & nuts in safe custody for reuse in the work all complete all as specified and as directed. Note : Cost of staging/working platform as involved for the above operation in deemed to be included in the unit rate quoted by the tenderer.

S&F for factory made pressed steel plate of size 1.22m x 3.75m x 3mm thick, placed on existing position at 12 m to 15 m high staging of over head water tank including necessary jointing /connecting materials such as lead wool, rubber gasket, bituminous compound with and including machine made (new) bolts, nuts, washers, etc as required at site to make the joints perfectly leaf proof all as per manufacturer's instructions and including painting with two coats of lead free black bituminous paints suitable for drinking water internally and two coats of aluminium paint over a coat of red oxide, zinc chrome primer externally after preparation of steel surfaces complete all as specified and as directed. Make : Buildsworth or as per existing/equivalent.

M&L for repairing of old joints of plates in position by unscrewing the jointing bolts, taking out jointing materials such as lead wire/tapes, lead wool, gasket, bituminous compound and replacing with new machine made bolts, nuts, washers as per existing size, gasket, lead wool, bituminous compound suitable for portable water and MS cleats wherever required complete to make the existing defective joints perfectly leak proof and testing for water tightness of the tank complete all as specified and as directed. Note : New bolts, nuts & washers wherever required as a replacement of old one as directed shall be measured and paid separately as Supply only under relevant item.

Supply only machine made bolts, nuts and washers made with hexagonal or square head at one end and screwed the other end or both ends to be fitted with washers and one hexagonal or square nut, (dia of bolt 5 to 10 mm and length not exceeding 5 cm) complete all as specified and as directed.

Excavation in post holes each not exceeding 0.50Cum and getting out in soft/loose soil including returning, filling in and ramming earth etc. and removing surplus soil to a distance not exceeding 50m and making good surface complete all as specified and as directed.

S&F in repair water pressure gauge 100 mm dia range 0-50 Kg/Sqcm with 3/8'' brass sampling cock and pressure gauge cock complete all as specified and as directed. Make : RMCO or equivalent.

Supply only piston each suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only cam bearing suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only ball bearing suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only bearing ring suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only bearing stopper suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only non return valve each suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only LDPE pipe suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only discharge valve assembly suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only pan head screw 3/16"x3/4" suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only diaphragm (teflon faced) suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only suction valve assembly suitable for use with motorise dosing pump cheminject RM-11complete all as specified and as directed. Make : RMCO/MILTON.

Supply only PRV adaptor suitable for use with motorise dosing pump cheminject RM-11 Make : RMCO/MILTON.

Supply only PRV "O" ring suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only coupling nut suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only ball (ceramic) suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only ball (stainless steeel) suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only NRV spring suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only ring seal (teflon) suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only "Y" type strainer suitable for use with motorise dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only socket head bolt M6x25 CKS suitable for use with motorise dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only spacer suitable for use with motorise dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only spacer spring suitable for use with motorise dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only spring plate each suitable for use with motorise dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only aluminium holder suitable for use with motorise dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only adjustment shaft each suitable for use with motorise dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only pulser assembly suitable for use with electromagnetic dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only discharge valve assembly and air release system combined each suitable for use with electromagnetic dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only pan head screw 3/16"x3/4" each suitable for use with electromagnetic dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only diaphragm (teflon faced) each suitable for use with electromagnetic dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only suction valve assembly each suitable for use with electromagnetic dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only foot valve assembly each suitable for use with electromagnetic dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only strainer for foot valve each suitable for use with electromagnetic dosing pump cheminject RM-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only coupling nut each suitable for use with electromagnetic dosing pump cheminject RM-11. Make - RMCO/MILTON,

Supply only ball (PTFE) each suitable for use with electromagnetic dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only ball (ceramic) each suitable for use with electromagnetic dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only NRV spring each suitable for use with electromagnetic dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Supply only ring seal (teflon) each suitable for use with electromagnetic dosing pump cheminject RC-11 complete all as specified and as directed. Make : RMCO/MILTON.

Testing of water for all parameter, chemical and becteciology aspect from RRL Jorhat/DRL Tezpur (Assam) or any Govt Approved/recognised laboratory and submit the report before completion of work complete all as specified and as directed.

Supply only OT solution for chlorine test (500 ml) at store yard of AGE E/M of GE Dinjan complete all as specified and as directed. Make : RMCO or equivalent.

Supply only iron test kit with necessary fitments and testing solution in rexene finish box complete all as specified and as directed.

Supply only leak testing solution (500 ml) complete all as specified and as directed.

Supply only iron test solution (3 btlsx500 ml each) complete all as specified and as directed.

Servicing of chlorine dosing pump of any make/capacity by opening the complete assembly in parts, carrying out necessary cleaning and replacing unserviciable parts by fixing new one including taking down of unserviceable one and testing for satisfactory working complete all as specified and as directed. Note : Spare parts required to be replaced shall be measured and paid separately under relevent item.

Supply only solenoid coil with body complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

Supply only pulser circuit complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

Supply only injection check valve complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

Supply only LDPE pipe complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

Supply only discharge/suction valve assembly complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

Supply only speed/stroke knobe complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

Supply only speed function valve complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

Supply only head PP complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

Supply only pan head screw 3/16"x3/4 " complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

Supply only diaphragm teflon faced complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

Supply only foot valve assembly complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

Supply only coupling nut complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

Supply only ball (ceramic) complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

Supply only NRV spring complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

Supply only ring seal (teflon) complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

Supply only pressure relief valve with adopter complete all as specified and as directed. Make : RMCO/DECLIBACK suitable for RC 11 of RMCO/Decliback.

S&F in repairs sluice valve class P-N 1.6 of size 150mm complete all as specified and as directed. Make : Kielosker/BIR/Venus.

S&F in repairs sluice valve class P-N 1.6 of size 100mm complete all as specified and as directed. Make : Kielosker/BIR/Venus.

S&F in repairs sluice valve class P-N 1.6 of size 80mm complete all as specified and as directed. Make : Kielosker/BIR/Venus.

S&F in repairs butterfly valve made out of ductile iron of size 150mm bore complete all as specified and as directed. Make : Kielosker/BIR/Venus.

S&F in repairs butterfly valve made out of ductile iron of size 100mm bore complete all as specified and as directed. Make : Kielosker/BIR/Venus.

S&F in repairs non return sluice valve of size 100mm bore complete all as specified and as directed. Make : Kielosker/BIR/Venus.

NChetia and Sons Trading

FREEZCON