Tender For Cleaning And Maintenance Of Slow Sand Filter Plant With Cleaning And Disinfection Of Overhead And Underground Water Tanks At Indira Sagar Power Station, Narmada Nagar, Khandwa (M.P.)., Sagar-Madhya Pradesh
TDR : 47053303
Tender Notice
Corrigendum Details
BOQ
Expired
Sagar
Madhya Pradesh
Corrigendum : Tender For Cleaning And Maintenance Of Slow Sand Filter Plant With Cleaning And Disinfection Of Overhead And Underground Water Tanks At Indira Sagar Power Station, Narmada Nagar, Khandwa (M.P.).
Name of Work: Cleaning & Maintenance of slow sand filter plant with cleaning & disinfection of overhead and underground water tanks at Indira Sagar Powerstation, Narmada Nagar, Khandwa (M.P.).
Sl. No.
Item Description
1
Dry silt clearance in channel for removal of silt from filters:-Surface dressing of the ground including removing vegetation and in-equilities not exceeding 15 cm deep and disposal of rubbish, lead upto 50 mtr. and lift upto 1.5 mtr. All kind of soil
2
Cleaning and disinfection through Mechanised dewatering, sludge removal High pressure cleaning, vaccume cleaning, Anti bacterial spray, UV radiation etc. complete in all respect upto satisfaction of Engineer-in-Charge. (i) Filter channel 01 to 04(ii) sedimentation tank (980 KL), (iii) Baffle wall chamber (241.59 KL), (v) Underground tank (248.75 KL), (vi) New underground water tank.
3
Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt,rubbish from the tank and cleaning the tank with fresh waterdisinfecting with bleaching powder @ 0.5gm per litre capacity of tank including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba all complete as per direction of Engineer-in-Charge. (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre) (if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account)
4
Cleaning of under ground sump, Over Head R.C.C. Tank ( independent staging) including disposal of slit and rubbish, all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:- (i) Tank shall be emptied of water by pumping & bottom shall be cleaned of silt and other deposits. (ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water. (iii) Chlorination of RCC internal surface by liquid chlorine. (iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface. (v) Finally the surface shall be treated with ultraviolet radiation etc. as per direction of Engineer-in-Charge.
5
Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade: One or more coats on old work.
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