REPAIR / MAINTENANCE OF EXTERNAL WATER SUPPLY SYSTEM ELECTRICAL PUMP/ MOTOR/ VALVES, MECHANICAL CLEANING AND DISINFECTION ON OF RCC WATER TANKS, UG SUMPS, RAW WATER WELLS, OH TANKS AND ROUTINE MAINTENANCE OF SWIMMING POST INCLUDING SUPPLY...

EXTERNAL WATER SUPPLY WORKS

Taking up or down of unserviceable / rusted steel tubing and connections for 20 mm bore of pipe from excavated trench / walls / floors / ceiling etc complete all as specified and directed.

Taking up or down of unserviceable / rusted steel tubing and connections for 25 mm bore of pipe from excavated trench / walls / floors / ceiling etc complete all as specified and directed.

Taking up or down of unserviceable / rusted steel tubing and connections for 40 mm bore of pipe from excavated trench / walls / floors / ceiling etc complete all as specified and directed.

Taking up or down of unserviceable / rusted steel tubing and connections for 50 mm bore of pipe from excavated trench / walls / floors / ceiling etc complete all as specified and directed.

Taking up or down of unserviceable / rusted steel tubing and connections for 80 mm bore of pipe from excavated trench / walls / floors / ceiling etc complete all as specified and directed.

Taking up or down of unserviceable / rusted steel tubing and connections for 100 mm bore of pipe from excavated trench / walls / floors / ceiling etc complete all as specified and directed.

Refixing old steel tubing and connections in new or old position for 20 mm bore of pipe from excavated trench / walls / floors / ceiling etc complete all as specified and directed.

Refixing old steel tubing and connections in new or old position for 25/32 mm bore of pipe from excavated trench / walls / floors / ceiling etc complete all as specified and directed.

Refixing old steel tubing and connections in new or old position for 40/50mm bore of pipe from excavated trench / walls / floors / ceiling etc complete all as specified and directed.

Supply and fix, medium grade, galvanised steel water tubes with screwed socket joint together with and including all GI fittings such as bends, L bows, short piece connections, backnuts, caps plugs, unions couplings, flanges, sockets etc., laid in trenches/open/wall of size 20mm dia including testing complete all as specified and as directed.

Supply and fix, medium grade, galvanised steel water tubes with screwed socket joint together with and including all GI fittings such as bends, L bows, short piece connections, backnuts, caps plugs, unions couplings, flanges, sockets etc., laid in trenches/open/wall of size 25mm dia including testing complete all as specified and as directed.

Supply and fix, medium grade, galvanised steel water tubes with screwed socket joint together with and including all GI fittings such as bends, L bows, short piece connections, backnuts, caps plugs, unions couplings, flanges, sockets etc., laid in trenches/open/wall of size 40mm dia including testing complete all as specified and as directed.

Supply and fix, medium grade, galvanised steel water tubes with screwed socket joint together with and including all GI fittings such as bends, L bows, short piece connections, backnuts, caps plugs, unions couplings, flanges, sockets etc., laid in trenches/open/wall of size 50mm dia including testing complete all as specified and as directed.

Supply and fix, medium grade, galvanised steel water tubes with screwed socket joint together with and including all GI fittings such as bends, L bows, short piece connections, backnuts, caps plugs, unions couplings, flanges, sockets etc., laid in trenches/open/wall of size 80mm dia including testing complete all as specified and as directed.

Supply and fix, medium grade, galvanised steel water tubes with screwed socket joint together with and including all GI fittings such as bends, L bows, short piece connections, backnuts, caps plugs, unions couplings, flanges, sockets etc., laid in trenches/open/wall of size 100mm dia including testing complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 meter wide and not exceeding 1.5 meter in depth for foundation for laying pipes etc and getting out in soft / loose all as specified and directed

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

Removing excavated material/ surplus soil not exceeding 50 meters and depositing where directed at a level not exceeding 1.5 meter above the starting point.

Supply and fix Gun metal globe or gate valve with iron wheel head confirming to IA-778 class-I screwed both ends for iron pipe inculding diamantling the old unserviceable gate valve and taken as credit complete all as specified and as directed for the following sizes: -

20 mm dia bore Gun metal globe or gate valve

25mm dia bore Gun metal globe or gate valve

32mm dia bore Gun metal globe or gate valve

40mm dia bore Gun metal globe or gate valve

50mm dia bore Gun metal globe or gate valve

Supply and fix in repairs/replacement Cast Iron Sluice valve 80mm bore with Stainless Steel spindle, bronze gate & seating rings and Cast Iron body with clamps and check nuts, operating hand wheel, both ends flanged and drilled confirming to IS 14846-2000 type PN 1.6, ISI marked including jointing material such as rubber insertion gaskets with suitable bolts, nuts and washers etc., and removing old unserviceable one complete all as specified and as directed.

Supply and fix in repairs/replacement Cast Iron Sluice valve 100mm bore with Stainless Steel spindle, bronze gate & seating rings and Cast Iron body with clamps and check nuts, operating hand wheel, both ends flanged and drilled confirming to IS 14846-2000 type PN 1.6, ISI marked including jointing material such as rubber insertion gaskets with suitable bolts, nuts and washers etc., and removing old unserviceable one complete all as specified and as directed.

Supply and fix CI Air Vent Valves with single air Outlets, conforming to IS 14845 of size 40 mm dia bore and fixing up in PPR Water supply mains of size 40 mm dia with suitable bolts, nuts and washers etc., and removing old unserviceable one complete all as specified and as directed.

Supply and fix Cast Iron Non return valve (Reflux valve) of size 100mm bore, flanged ends in swing type design with gun metal seat, single disc with all accessories confirming to IS 5312-2004 and ISI marked, type PN 1.6, Cast Iron body including suitable rubber gasket joints with suitable bolts, nuts and washers etc., jointing and testing ncluding removing old unserviceable one complete all as specified and as directed.

Supply and fix Cast Iron Non return valve (Reflux valve) of size 80mm bore, flanged ends in swing type design with gun metal seat, single disc with all accessories confirming to IS 5312-2004 and ISI marked, type PN 1.6, Cast Iron body including suitable rubber gasket joints with suitable bolts, nuts and washers etc., jointing and testing ncluding removing old unserviceable one complete all as specified and as directed.

Supply and fix Foot valve of size100 mm with Gun metal body & Disc, synthetic rubber - 'O' - ring, PH Bronze spring, brass screen, washer and nuts inlcuding removing old one complete all as specified and as directed.

Supply and fix Foot valve of size 80 mm with Gun metal body & Disc, synthetic rubber - 'O' - ring, PH Bronze spring, brass screen, washer and nuts inlcuding removing old one complete all as specified and as directed.

Supply and fix Foot valve of size 50 mm with Gun metal body & Disc, synthetic rubber - 'O' - ring, PH Bronze spring, brass screen, washer and nuts inlcuding removing old one complete all as specified and as directed.

S&F Brass Ball valve 25mm dia high pressure with epoxy coated aluminium rod and high density plastic ball screwed with polythene float and fly nut complete screwed for iron pipe and fixed in repairs complete all as specified and as directed.

Material and labour for dismatle the Pump motor and clean all parts and preparation old painted surface of pump motor coping guard MS common case farein and painting with two caots synthetic elanmel pait of approved of qulality and shade as specified below for one hp 2 Hp, 3 HP, 5HP and 7.5 HP pumpsets Moto and pump- smoke grey colour Coupling gaurd and grill post - office red colour

M&L for taking down carefully electric motor of following capacity 3 phase 415v, 50 Hz, AC from foundation / coupling , opening the motor , cutting and removing the burnt windings, cleaning the stator and rotor with cleaning agent. Rewinding the motor with appropriate gauge of super enameled copper wire of approved make, insulating the winding with same class of insulation, replacement of worn out part as required supply and replacement of base foundation nuts and bolts and re-installing the motor and connecting to the pump, testing the motor for satisfactory performance all as specified and directed.

05 HP Electric motor

03/02 HP Electric motor

7.5 HP Electric

Supply and Fix DOL (Direct-on-Line) starter 12.5 to 15 HP in Sheet-Steel enclosure Type MN 25 with Single Phase Protection feature for Motor Rating AC-3 Duty, 415V, 50Hz, 3phase including taking down old one etc., complete all as specified and as directed.

Supply and Fix DOL (Direct-on-Line) starter 7.5 / 5.0 HP in Sheet-Steel enclosure Type MN 16 with Single Phase Protection feature for Motor Rating AC-3 Duty, 415V, 50Hz, 3phase including taking down old one etc., complete all as specified and as directed.

Supply and Fix DOL (Direct-on-Line) starter 3.0 HP in Sheet-Steel enclosure Type MN with Single Phase Protection feature for Motor Rating AC-3 Duty, 415V, 50Hz, 3phase including taking down old one etc., complete all as specified and as directed.

Supply and Fix Single phase preventor of Make L&T including taking down old one etc., complete all as specified and as directed.

Supply and fix 3-layer PP-R Polypropylene random copolymer) pipes of outer dia of pipe 20 mm SDR 7.4 & PN 16, outer UV stablized and inner antimicrobial, ISI Marked,conforming to IS-15801, fusion welded having thermal stability for hot and cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors including taking down old GI pipe etc complete all as specified and as directed.

Supply and fix 3-layer PP-R Polypropylene random copolymer) pipes of outer dia of pipe 25 mm SDR 7.4 & PN 16, outer UV stablized and inner antimicrobial, ISI Marked,conforming to IS-15801, fusion welded having thermal stability for hot and cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors including taking down old GI pipe etc complete all as specified and as directed.

Supply and fix 3-layer PP-R Polypropylene random copolymer) pipes of outer dia of pipe 63 mm SDR 7.4 & PN 16, outer UV stablized and inner antimicrobial, ISI Marked,conforming to IS-15801, fusion welded having thermal stability for hot and cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors including taking down old GI pipe etc complete all as specified and as directed.

Supply and fix 3-layer PP-R Polypropylene random copolymer) pipes of outer dia of pipe 90 mm SDR 7.4 & PN 16, outer UV stablized and inner antimicrobial, ISI Marked,conforming to IS-15801, fusion welded having thermal stability for hot and cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors including taking down old GI pipe etc complete all as specified and as directed.

M&L Making connection of PP-R distribution branch with PP-R main of 20 mm to 40 mm sizes by providing and fixing tee including cutting and making fusion joint etc bore

Supply and fix PP-R Gate valve(Brass insert) of size 20 mm dia including jointing and jointing material and taking down the worn out gate valve of any size complete all as specified and as directed.

Supply and fix PP-R Gate valve(Brass insert) of size 25 mm dia including jointing and jointing material and taking down the worn out gate valve of any size complete all as specified and as directed.

Supply and fix PP-R Ball valve (Brass insert) of size 20mm dia including jointing and jointing material and taking down the worn out ball valve of any size complete all as specified and as directed.

Supply and fix PP-R Ball valve (Brass insert) of size 25mm dia including jointing and jointing material and taking down the worn out ball valve of any size complete all as specified and as directed.

Supply and fix PP-R Ball valve (Brass insert) of size 32mm dia including jointing and jointing material and taking down the worn out ball valve of any size complete all as specified and as directed.

Cleaning of RCC closed semi under ground water sump of following capacities by decanning/ Pumping Out Complete Water, taking out and removing complete Mud/ Dirt/Silt/sand, Sludge from Inside, and depositing at a distance not exceeding 50 mtr away from the Sump. Cleaning the bottom floor and inside wall, using Scrubber /brush And washing of inner surface using lime and bleaching Powder and removing the same until clean surface is obtained including one coat of white wash and cutting of bushes, plants Etc cleaning of surrounding area up to 5.0 meter and applying black synthetic enamel painting single coat on metal surface of ladder man hole covers etc. Writing the capacity/date of cleaning with Black and white paint,replacing the MS wire mesh on Air vent pipe with proper clamps nut bolts complete all as specified and directed:-

1.00,000 litre Raw water UG sump at CGRA Mandapam

2,50,000 litre UG sump at ICGS Mandapam

20,000 litre UG sump at South Mandapam

2,00,000 litre UG sump at CGRA Mandapam

Over head Tank 2,00,000 litre at ICGS Mandapam

Cleaning of following open shallow wellsby bailling out of water from the well through pump set, removing the silt (mud/sand etc) from the floor of the wells and deposting not exceeding 50 metre, cleaning the inside vertical surface of the wells with wire brushes including removing the large growth and removing the large floating on the water completely including one coat of white wash all as specified and directed . Note: (a) Breakdowns attended in time without any further delay to avoid water supply interruption in station

(a) Raw water well -1 at ICGS Mandapam

(b) Drinking water well at ICGS Mandapam

(c) Raw water well -2 at ICGS Mandapam

(d) Raw water well -1 at CGRA Mandapam

(e) Raw water well -2 at CGRA Mandapam

Supply only O-Tolidine regent solution in 500 ml bottle

Supply only 5% Sodium Hypochloride liquid solution used as a disinfecting agent in raw water wells for drinking water to combat bacteria, virus & fungi complete all as specfied and as directed.

Supply only dry bleaching powder with ISI marked complete. Make : Puri Chlor or equivalent.

Service/Repair/maint to Sodium Hypo chloride electronic automatic Dosing pump of 100 ltr capcity with replacing minor spares required for the smooth plant running all as directed

Supply only water ph level/conductivity/TDS tester with all kit Make : Hanna, Model No. Hi98129 or equivalent of other specified makes

M & L for collection of water sample from various location at ICGAS Mandapam in new bottle as per standard operating procedure and taking sample to District Water Testing Laboratory, TWAD Board, Ramnathapuram for testing of Physical and Chemical parameters incuding micro-Biological examination of water sample for domestic / non – domestic purpose (viz Appearance, colour, odour, turbidity, E.C, TDS, PH, alkalinity, hardness, Ca, Mg, Na, K, Fe, Mn, NH3, NO2, NO3, Cl, F, SO4, PO4, Tidy’s etc.) and submitting of report after testing complete all as specified and directed Note : (i) The Complete analysis report should be submitted within specific period as mentioned in the job. (ii) Test reports duly verified by the Engineer-in-Charge shall be submitted to GE while claiming payment through RAR (iii) All the mandatory testing charges will be borne by the contractor.

Supply only Chlorine in the form of TCCA-90 (Trichloroisocyanuric Acid) granular used as a disinfecting agent in swimming pools in achieving sparkling clean and clear water. Purity of 99% to provides long-term effects throughout the month in keeping swimming pools free from bacteria and algae, With no side-effects on skin, hair and eye etc. Note: Chemical (Chlorine) to be supplied throughout the contract period as and when required by department/ as per direction of Engg-in-Charge but not in bulk at a time

Supply only Sodium Hypochloride liquid solution used as a disinfecting agent in swimming pools in achieving sparkling clean and clear water. Purity of 99% to provides long-term effects throughout the month in keeping swimming pools free from bacteria and algae, With no side-effects on skin, hair and eye etc. Note : Chemical (Sodium Hypochloride liquid solution) to be supplied throughout the contract period as and when required by department/ as per direction of Engg-in-Charge but not in bulk at a time.

Supply only Alum crystal (1st quality) for "flocculent" agent which attracts dirt particles, phosphates, pathogens, and other undesirable contaminants, causing them to clump together to easily vacuum them out of pool. Note : Chemical (Alum crystal) to be supplied throughout the contract period as and when required by department/ as per direction of Engg-in-Charge but not in bulk at a time

Supply only Alum gel (1st quality) for "flocculent" agent which attracts dirt particles, phosphates, pathogens, and other undesirable contaminants, causing them to clump together to easily vacuum them out of pool. Note :Chemical (Alum gel) to be supplied throughout the contract period as and when required by department/ as per direction of Engg-in-Charge but not in bulk at a time.

Supply of dosing of copper sulphate. Note : Chemical (Copper sulphate) to be supplied throughout the contract period as and when required by department/ as per direction of Engg-in-Charge but not in bulk at a time

Supply only sodium carbonate - Soda Ash to raise the pH of pool water as per the site and water requirement Note : Chemical sodium carbonate - Soda Ash to be supplied throughout the contract period as and when required by department/ as per direction of Engg-in-Charge but not in bulk at a time)

Supply only Brush 18" inch for cleaning of Algae in swimming pool complete all as specified and as directed

Supply only Brush 18" inch for cleaning of Wall of swimming pool complete all as specified and as directed

Supply and fix in repairs suction sweeper made up of stainless steel metal of 10 X 37 inch and 0.5 mm thickness fitted with wooden brush along length dimension with necessary fittings like spring, flexible wiper of minimum 10mm thickness along with provision for fixing flexible hose, rotating wheel etc., complete all as specified and directed.

Supply and replace vacuum head 17.5 inch, heavy duty aluminium weighted vaccu head for swimming poool, floor cleaner, nylon brushes for suction sweeper as per existing size and make complete all as specified and as directed.

Supply olny Digital PH Meter, High Accuracy Water Quality Tester with 0-14 PH Measurement Range

Supply only chlorine test solution of 20ml each

Supply only pH test solution of 20ml each

Supply only flexible vacuum hose of dia 38mm and 30m length in replacement

Supply only Aluminium Rod of diameter 32mm length 20mtrs suitable for suction and cleaning brush's diameter complete all as specified and as directed.

Supply & fill filter media sand Into the swimming pool filtration tank at plant room including removal of old media as required and levelleing complete all as specified and directed

Material and labour for servicing of portable suction seeper pump & filter tank complete all as specified and as directed

Supply and fix in repairs Suction sweeper UPVC 40mm dia pipe complete with bends & elbows all as specified and directed.

Supply and fix in repairs single phase suction sweeper motor starter rope complete all as specified and as directed.

Supply and fix in repairs swimming pool lane divider nylon rope for partition of the pool with 50mtr length at a strech with multicolour polyetylene buoys complete same as the existing lane divider rope complete all as specified and directed

Supply and fix in repairs Swimming Pool Deep Leaf Net Skimmer net of size 16" X 19"