Provision of Maintenance and Operation of Pump House 1 2 and 3 at various locations under HQ 25 Sector AR at Jorhat Garrison (Assam)

Daily mainenance, manning and operation of the water supply installations with one operator in each shift (Two shifts for two installations and each shift consisting 8 hrs per shift) including Sunday and holiday as per specified and directed by the Engr-in-Charge Notes: (i)The terms of daily operation includes cleaning of installations, minor maintenance of pump/motors and DG sets .cleaning inserting gland packing for pumps and valves ,maintaining hourly reading and recording of each pump motor and DG sets , maintaining Log sheets in standard performa to make records in consultation with Engr-in-Charge and periodically maintanance of IRP includes backwashing minimum of twice a week. Feeding of chemical incl bleaching/alum/soda ash powder. maintenance & repair of electrical accessories as per direction of Engr-inCharge. Cleaning of Sedimentation Tank, Aeration Tower, & Over head Storage Tank monthly or as required. (ii). the employees should have other then ITI certificate holder or 3 year expireance in any Govt/privet sector. (iii) The fuel and Lubricants shall be issued under Schedule B for plant and machinary. (iv) Spares will be measured and paid separately under appropriate items.

Daily maintenance and attending water supply complaints for distribution water pipe lines of various sizes in one shifts per day consisting of 8 hrs per shift /day including Sunday and Holidays for entire Pump House 1, 2 & SF Accn, Jorhat. Note:-The plumber should have Skilled minimum ITI Certificate holder or equivelent.

Daily maintenance and attending electrical complaints comprising day to day complaints for entire Garrision area, periodical checking of electrical eqpts( HT and LT supply) in one shifts per day consisting of 8 hrs per shift including sunday and holiday as per specified and directed by the Engr-in-Charge Note:- The electrician should have skilled minimum ITI certificate holder or equivelent.

Chemical and bacteriological testing of water sample collected from various pump houses as specified and directed by Engr-in-Charge. Note:-water sample be collected from place given by Engr -in- Charge and ensure proper water testing carried out from Govt approved laborateory and after testing,water report collected from Govt agency to be submitted to Department.

M& L for servicing of silent diesel engine generating set capacity 25/30 KVA (Make: Kirloskar/ Greaves/Eicher) as per prescribed in repairs and maintenance by authorised OEM , cleaning and servicing of fuel supply assembly ,radiator assembly, AVR unit, AMF penal, incl repacement of minor spare parts viz. air filter ,oil filter , fuel filter ,battery terminals ,battery charging unit, complete all as specified and directed by Engr-in-charge. Note:- The contractor will attend breakdown with in 24 Hrs incase of genrator gets off road or any other fault occured .

M& L for servicing of silent diesel engine generating set capacity 63/100 KVA (Make: Kirloskar/ Greaves/Eicher) as per prescribed in repairs and maintenance manual by authorised OEM , cleaning and servicing of fuel supply assembly ,radiator assembly, AVR unit, AMF penal, incl repacement of minor spare parts viz. air filter ,oil filter , fuel filter ,battery terminals ,battery charging unit, complete all as specified and directed by Engr-in-charge. Note:- The contractor will attend breakdown with in 24 Hrs incase of genrator gets off road or any other fault occured .

M&L of repair/service of upto 15 HP Submersible pump set complete dismantling, cleaning, re-winding with suitable gauge of copper wire varnishing, heating, servicing of pump assembly including lifting/lowering of pump set from borehole and after repair of pump motor lowering in position re-assembling all the dismanlted components with testing, commissioning to the entire satisfaction incl repairing of starter with one as per directed by Engr-In- Charge.

M&L for disconnection/ dismentling of electric motor of capacity 15 HP, 3Ph, 415 Volt. taking out old unserviceable burnt winding and rewinding the same with super enamelled copper wire, 'H' Class of suitable size including insulating material such as varnish, sleeves, paper etc and refixing the same in position with proper elignment and testing all as specified and directed by Engr-in-charge.

M&L for disconnection/ dismentling of electric motor of capacity 7.5 HP, 3Ph, 415 Volt. Taking out old unserviceable burnt winding and rewinding the same with super enamelled copper wire, 'H' Class of suitable size including insulating material such as varnish, sleeves, paper etc and refixing the same in position with proper elignment and testing all as specified and directed by Engr-in-charge.

Dismantling the coupling and taking out pump of 7.5/15 HP pump set and transport to work shop including opening the pump, replacement unserviceable both side bearing and bushes, shaft seal assembly and worn out nut and bolts gaskets, machining of shafts, over hauling & greasing of pump and reassembling complete with testing motor at site all as specified .

Supply only alum Crystal/ Ferric ( KAL (SO₄ )₂ 12H₂O Amonium Sulphate of 15 % to 16 % concentration ) with water in proportionate way for achieving proper sedimentation of water at all time at pump houses as directed by Engr in charge for better sedimentation process at pump house.

Supply of Bleaching powder confirming to IS specification. IS - 1065 (1989) & IS - 15738 (2007)

Supply of Soda Ash powder confirming to IS specification. IS-251 (1998)

M&L Cleaning of following Water storage tanks complete all as specified and directed by Engr-in-charge. Details of water tanks in Pump House -1 (a) Underground water tanks :- Water tanks (50000 Ltr each) - 2 Nos, 30000 Ltr Water tank-01 No 25000 Ltr Water tank -01 (b) Overhead water tanks:- Overhead water tanks (30000 Ltr each) - 02 Nos Over head water tanks (15000 Ltr each) - 02 Nos Details of water tanks in pump House - 2 (a) Underground water tank (15000 Ltr) - 01 No, (b) UG Water tank (50000 Ltr) - 01 No, (d) Over head water tank (15000 Ltr) - 01 No (d) Overhead water tank (25000 Ltr) - 01 No Details of water tanks in Pump House No - 3 (a) Underground water tanks 100000 Ltr - 02 Nos (b) Overhead water tank 50000 Ltr - 01 Nos. The Basic steps involved in water tanks cleaning are, Step 1 : The area surrounding the tank and top of the tank is cleaned. Step 2: Tools used in tank cleaning process are disinfected. Step 3: Water and sludge is drained out from the tank using a sludge pump. Step 4: manula scrubbing of the tank is done to remove the dirt, sediments, fungus & stains. Step 5: Walls, ceilling and floor of the tank is washed using a high pressure jet/Eqpt. Step 6: Vaccum cleaning is done to ensure that all the dirt is sucked out. Step 7: Vaccumed tank is disinfected with bleach incl lime wash. Step 8: Tank is clean and ready to be filled with water for domestic use. Note : All the required Tools and plants, lubricants/oils and materials will be supplied by the contractor during the work.

M/S Gulab Singh