REPAIR MAINT OF EXTERNAL WATER SUPPLY PIPE LINE AND CONNECTED WORK AT SASOMA AND BASE CAMP AREA UNDER GE 873 EWS

Testing of Bore well water analysis with the following parameters as per IS 10500:2000 through Govt. approved laboratory:- a) Physicochemical analysis of potable water b) Bactoriological analysis of potable water

S & F in replacement chlorine dosing FRP service tank 100 Ltr capacity consisting of dosing pump 15 LPH, agitator motor, level gauge , water inlet & outlet line, strainer, drain pipe etc as per existing sample c complete all as specified and directed.

Supply only sodium hypo chloride solution of 12.5% strength in sealed container all as per sample complete all as specified and directed.

Supply only Alum Ferric of best quality in packing bags as per sample complete all as specified and directed.

Supply only Calcium Hypo Chlorite 65 to 70% (calcium based granular) disinfectant for water treatment is sealed packing of 45 Kg HDPE jars to MES store yard complete all as specified and directed. Note:- Make of productshall be from approved list by E-in-C Branch / command approved list or any equivalant make subject to satisfactory test report.

S & F in replacement bronze ball/ gate valve with handle, screwed both ends suitable for 20 mm dia iron pipe complete all as specified and directed.

All as per item No 6 above but 25 mm dia ball/gate valve complete all as specified and directed.

All as per item No. 6.00 above but 40 mm dia ball/gate valve complete all as specified and directed.

All as per item No. 6.00 above but 50 mm dia ball/gate valve complete all as specified and directed.

S & F in replacement PP-R Gate valve (brass insert) suitable for 63 mm dia pipe complete all as specified and directed.

All as per item No. 10.00 above but PP-R Gate valve (brass insert) suitable for 50 mm dia pipe complete all as specified and directed.

All as per item No. 10.00 above but PP-R Gate valve (brass insert) suitable for 40 mm dia pipe complete all as specified and directed.

All as per item No. 10.00 above but PP-R Gate valve (brass insert) suitable for 32 mm dia pipe complete all as specified and directed.

All as per item No. 10.00 above but PP-R Gate valve (brass insert) suitable for 25 mm dia pipe complete all as specified and directed.

All as per item No. 10.00 above but PP-R Gate valve (brass insert) suitable for 20 mm dia pipe complete all as specified and directed.

S&F in repairs air release valve made of CI suitable for 40/50 mm dia pipe size complete all as specified and directed.

Taking out 25/32mm bore pipe of any type with all fittings and accessories etc, from trenches/ surface and removing blockage and damaged pipe complete including cleaning the serviceable pipe for re-fixing complete all as specified and directed. (Note:- Excavation/ earth work will be measured and paid separately under respective items.)

All as per Item no. 17.00 above, but of size 40 mm bore complete all as specified and directed.

All as per Item no. 17.00 above, but of size 50/65 mm bore complete all as specified and directed.

All as per Item no. 17.00 above, but of size 80/90 mm bore complete all as specified and directed.

Relaying of old pipes 25/32 mm bore any type,obtained from No.17 here-in- before in new or old position in any length, laid in trenches/surface complete all as specified and as directed

All as per item No 21 here in before but for 40 mm bore obtained from item No 18

All as per item No 21 here in before but for 50/65 mm bore obtained from item No 19

All as per item No 21 here in before but for 80/90 mm bore obtained from item No 20

Supply, laying and testing 25 mm bore "medium grade" galvanised iron pipes with all fittings complete to walls and ceilings or laid in floors /trenches complete all as specified and directed.

All as per item No 25 here-in-before but for 40 mm GI bore pipes complete all as specified and directed.

All as per item No 25 here-in-before but for 50mm GI bore pipes complete all as specified and directed.

All as per item No 25 here-in-before but for 80mm GI bore pipes complete all as specified and directed.

S&F 3- layer PP-R ( Polypropylene random copo lymer) pipes ISI marked, IS-15801, 25 mm SDR 7.4 (PN16) UV stabilized hot & cold PP-R pipe incl fusion joint, polypropylene random fittings laid in trenches /walls/ceilings or laying in floors complete all as specified and directed.

All as per item No 29 here-in-before but for 32mm outer dia PP-R pipes complete all as specified and directed.

All as per item No 29 here-in-before but for 40mm outer dia PP-R pipes complete all as specified and directed.

All as per item No 29 here-in-before but for 50mm outer dia PP-R pipes complete all as specified and directed.

All as per item No 29 here-in-before but for 63mm outer dia PP-R pipes complete all as specified and directed.

All as per item No 29 here-in-before but for 90mm outer dia PP-R pipes complete all as specified and directed.

Excavation in trenches not exceeding 1.5m width and not exceeding 1.5 m in depth and getting out in hard/dense soil/ boulders for taking up or laying of pipe etc completed all as apecified and directed.

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

Removal of excavated material at a distance not exc 50 mtr and dipositing where directed at a level not exc. 1.5 mtr above the starting point complete all as specified and directed.

Supply & fixing in replacement old u/s butterfly valve (Wafer Type), PN-1.6 with S/S Disc, neoprene rubber Lining, lever operated and S.G. Iron body suitable for 80 mm dia pipe complete all as specified and directed.

Supply & fixing in replacement old u/s butterfly valve (Wafer Type), PN-1.6 with S/S Disc, neoprene rubber Lining, lever operated and S.G. Iron body suitable for 65 mm dia pipe complete all as specified and directed.

Supply & fixing in replacement old u/s butterfly valve (Wafer Type), PN-1.6 with S/S Disc, neoprene rubber Lining, lever operated and S.G. Iron body suitable for 50 mm dia pipe complete all as specified and directed.

Supply and fixing in replacement old u/s Pressure gauge 4"dial 0-14 kgs rating complete all as specfied and directed.

M & L for making connection of PP-R distribution branch from 16 to 40 mm PP-R main by providing and fixing tee including cutting and making fusion joint etc complete all as specified and directed.

M & L for making connection of PP-R distribution branch from 50 to 75 mm PP-R main by providing and fixing tee including cutting and making fusion joint etc. complete all as specified and directed.

M&L for Fiber glass wool/ nitrile rubber insulation 35 mm thick over pipes 90/80 mm outer dia incl 0.5 mm thick aluminium cladding including jointing and fixing material such as solvent adhesive SR-998 complete all as specified and directed.

All as per item No 44 here-in-before but for 50/63mm dia pipes complete all as specified and directed.

All as per item No 44 here-in-before but for 40/32mm dia pipes complete all as specified and directed.

All as per item No 44 here-in-before but for 25mm dia pipes complete all as specified and directed.

S & F for Heat tape laying over pipe with thermostate for PPR water pipe suitable for upto - 35 degree temp complete all as specified and directed .

S & F in replacement of old u/s PPR union 25mm dia complete all as specified and directed

S & F in replacement of old u/s PPR union 32 mm dia complete all as specified and directed

S & F in replacement of old u/s PPR union 40 mm dia complete all as specified and directed

S & F in replacement of old u/s PPR union 50 mm dia complete all as specified and directed

S & F in replacement of old u/s PPR elbow 20 mm dia complete all as specified and directed

S & F in replacement of old u/s PPR elbow 25 mm dia complete all as specified and directed

S & F in replacement of old u/s PPR elbow 32 mm dia complete all as specified and directed

S & F in replacement of old u/s PPR elbow 40 mm dia complete all as specified and directed

S & F in replacement of old u/s PPR coupler 20 mm dia complete all as specified and directed

S & F in replacement of old u/s PPR coupler 25 mm dia complete all as specified and directed

S & F in replacement of old u/s PPR coupler 32 mm dia complete all as specified and directed

S & F in replacement of old u/s PPR coupler 40 mm dia complete all as specified and directed

Supply and fix Bronze Spring Loaded Safety Relief Valve, Open Discharge (Screwed) Pressure Range : 0 – 10 kg/cm² complete all as specified and directed .

M & L for Reinforced cement concrete 1:2:4 type B1 ( 20 mm graded aggregate) as in pipe route indicator pillars size not less than 0.3x0.1 x0.75 mtr including use and waste of necessary formwork etc. incl painting with yellow colour enamel and writting pipe size with black enamed paint as per approved pattern and grouting complete all as specified and directed.

M & L for repair in leakage of GI water tubing of size 25 mm to 40 mm by using necessory pipe fitting or any other material required at site for making good/ leakless the existing water leakage with necessary excavation and earth work, returning filling after testing the joint complete all as specified and directed.

All as per item No 63 here-in-before but for 50 mm to 80 mm dia GI pipes complete all as specified and directed.

M & L for repair to water leakage from 50 to 90mm bore PPR pipe line including cutting fusion jointing, repacement of damaged necessary PPR fittings and if required replacing pipe upto 1 RM etc. as required at site for making good /leakless the existing joint with required excavation, earth work, returning filling will be done after testing the joint complete all as specified and directed.

All as per item No 65 here-in-before but for 20 mm to 40 mm outer dia PP-R pipes.

M & L for removal of ice blockage from 50 to 90mm bore pipe line including cutting, filling salt solution, draining out ice water from pipe or as required at site for removing ice blockage and after making good & testing of pipe line with required excavation, earth work, returning filling complete all as directed.

All as per item No 67 here-in-before but for 20 mm to 40 mm pipes complete all as specified and directed. Note for Item No 63 to 68: Unwanted delay in attending/ rectification of day to day complaint if noticed the recovery shall be made Rs 1000/- per day from contractor bill till complete the job.

M & L for making serviceable old u/s 5/10 HP Motor starter of carrying out repair and with replacement of defective relay, connector, burn contol copper cable, insulator ,Terminal Block, copper thimbles, etc or if any other required minor spare parts at site for including testing to ensure efficient and smooth functioning of starter complete all as specified and directed.

S & F in relacement of 25 Amps rating automatic phase sequence corrector 415 volt, 50 HZ with sheet metal encloser complete all as specified and directed.

M & L for Cutting out the burnt cable end and reconnecting with providing new lugs, tapes etc for cable size upto 25 sqmm 3.5 core complete all as specified and directed.

Replacement of old unsv rubber mat with the new rubber mat suitable for LT panel of size 2mx1mx15mm thick,ISI marked complete all as specified and directed.

S & F in replacement water Pressure pump set 0.5 HP of discharge rate- 5.0 cum/Hr with head 15 m operated on 240V, 50 Hz with complete as per site requirement or complete all as specified and directed.

S&F in replacement pressure pump auto On/OFF controller, complete with all accessories complete all as specified and directed.

S&F in replacement 0.5 HP openwell submersible pump set copper wounded, S/S body, Single Phase, 230 Volts with Control Panel complete with all accessories.

S&F in replacement PVC insulated, PVC sheathed, submersible flat cable ISI marked with multi stranded copper conductor 1100 volt grade of size 6 Sqmm 3 core complete all as specified and directed.

S&F in replacement PVC insulated, PVC sheathed, submersible flat cable ISI marked with multi stranded copper conductor 1100 volt grade of size 4.0 Sqmm 3 core complete all as specified and directed.

S & F in replacement submersible pump controller of relay range 9-14 Amps in sheet metal enclosure type with Ammeter and voltmeter AC-3 phase, 415V, 50 Hz suitable for 5 HP electric motor complete all as specified and directed.

M & L for cleaning of semi under ground RCC reservoir of capacity 25000 gallons by draining out storage water completely with mud pump or throwing out manually with buckets and cleaning of inner surface of bottom and walls of tank by removing complete accumulated sludge/ mud, dirt etc with wire brush and finally washing with fresh water and disinfecting the reservoir with 2% solution of potassium permaganate including writing date of cleaning with white synthetic enamel paint and removing sludge scale mud etc. to a distance not exceeding 50 metre and deposting complete all as specified and directed

M&L for disconnecting electrical/ mechanical connection and taking out submersible pump set from existing bore well approx depth varying from 50 m to 70 m with all accessories and transporting to authorized workshop for rewinding and overhauling of sumbermersible pump and after overhauling / rewinding, re-lowering the pump set in bore well with all accessories, including making connection with existing starter and testing to ensure efficient and smooth functioning to obtain required discharge, etc complete all as specified and directed.

M & L for rewinding of 3 Phase, 5/7.5 HP submersible electric motor with PVC insulated copper winding wire of same gauge including impregnated paper, sleevs, lathorised fibre glass, and tape, etc complete all as specified and directed.

M & L for overhauling and repairing of submersible pump assembly of 8 to 10 stage with replacement of defective parts such as gun metal bush, rubber bush, CI neck ring, pump shaft, bowl case & impeller etc as required at site including necessary lath work, metaling, turning, poloshing, and reassemble all the parts and refixing at same position complete all as specified and directed.

M & L for disconnecting the existing old solar flat/ tubular collector of any description for cleaning the glass by washing with using soft detergent, cleaning & de-scaling the inside surface of copper fins / tubes with suitable size of drill rod, wire brush & with circulating concentrated de-scaling solution complete deposits/scale is removed and reassembling the solar system after servicing / maintenance including nuts, bolts & washers, gaskets etc. fixing & installation in position and testing complete all as specified & directed.

S & F in replacement of old u/s water heating element of capacity 2.0/3.0 KW for solar water heater complete all as specified and directed.

S & F in replacement of old u/s thermostat for solar water heater complete all as specified and directed.

S & F Evacuated tubes twin borosilicate glass collector for solar water heater (length and size as per existing sample) including taking down old broken complete all as specified & directed.

Construction of valve pit chamber/pit with brick wall in cement mortar (1:6) PCC (1:4:8) type D2 using 40 mm graded stone aggregate in foundation, internal surfaces plastering, including 10 mm thick cement mortar (1:4) PCC (1:2:4) type B 0 using 12.5 mm graded stone aggregate in copping, mild steel angle iron frame 40 x 40 x 4 mm & MS sheet cover 3.0 mm thick including locking arrangement with all necessary excavation & earth work in any type of soil complete all as specified and shown on drawing & of size 900 x 900 x 1200 mm for drain complete.all as specified and directed.

Deduct Schedule of Credit of as listed in Schedule 'A' Part-II. Contract Sum shall be arrived after deducting the credit amount. Note :- Tenderers will not quote against this item

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