Operation and maintenance of water supply for ALHW colony circle office B Quarry complex at Campbell Bay in Great Nicobar Island for a period of 01 One year 2024-25

Amount

Providing and operating pumps for water supply arrangement twice in a day or as per the requirement to ALHW colony, office complex, B Quarry complex, DSS Complex excluding cost of diesel pump, water supply fittings as and when required but including cost of all labour charges for operating pump, minor tools and plants, GST etc. complete.

Cleaning of terrace/loft water storage tank (inside surface area) up to 2000 litre capacity at all heights with coconut brushes, duster etc. removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5 gm per litre capacity of tank including marking the date of cleaning on the side of tank including marking the date of cleaning on the side of takd body with the kelp of stencil and disposing of malba 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 of old date is bot removed deduction will be made @ Rs. 0.10 per liter) (if during cleaning any GI fittings of ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account) including cost of all labour charges , minor tools and plants, GST etc., complete.

Cleaning of Wells, underground sump, over Head R.C.C. Tank ( independent staging)including disposal of slit and rubbish, all as peer direction of Engineer-in-charge including cost of all labour charges, minor tools and plants, GST etc., complete. The cleaning shall consist following operations:- Tank shall be emptied of water by pumping & bottom shall be cleaned of silt and other deposits. 2. Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc and pressure washed with water. 3. Chlorination of RCC internal surface by liquid chlorine.

Providing and fixing G.I. Pipes complete with G.I fittings and clamps i/c cutting and making good the walls etc. Internal work- exposed on wall, including cost of material, all labour charges, minor tools and plants, GST, etc. complete.

25 mm dia nominal bore

15 mm dia nominal bore

Providing and fixing gun metal gate valve with C.I Wheel of approved quality(screwed end)., including cost of material, all labour charges, minor tools and plants, GST, etc. complete

50 mm dia nominal bore

25 mm dia nominal bore

20 mm dia nominal bore

Providing and fixing G.I Union in existing G.I pipe line, cutting and threading the pipe and making long screws, including excavation, refilling the earth or cutting of wall and making good the same complete wherever required.

20 mm dia nominal bore

25 mm dia nominal bore

Providing and fixing P.V.C Waste pipe for sink or wash basin including P.V.V Waste fittings complete. including cost of material, all labour charges, minor tools and plants, GST, etc. complete.

32 mm dia nominal bore

Providing and fixing unplasticised PVC Connection pipe with brass unions ,including cost of material, all labour charges, minor tools and plants, GST, etc. complete.

15 mm dia nominal bore

Providing and fixing C.P Pillar cock of approved quality, including cost of material, all labour charges, minor tools and plants, GST, etc. complete.

(a) 15 mm dia nominal bore

Providing and fixing brass bib cock of approved quality, including cost of material, all labour charges, minor tools and plants, GST, etc. complete.

15mm nominal bore.

Supply of manpower for attending unforeseen complaint works related to water supply, pump, including cost of all labour charges, minor tools and plants, GST, etc. Complete.

Skilled Mazdoor

Semi- Skilled Mazdoor

Unskilled Mazdoor

Providing and fixing white viterous china pedestal type water closet ( European type WC Pan ) with seat and lid, CP brass hinges and rubber buffers, 10 ltr. Low level PVC flushing cistern with fittings, C.I M.S brackets, 40 mm diameter flush pipe with fitting and clamps, overflow arrangements with special and mosquito proof coupling of approval municipal design including painting of fitttings and brackets, cutting and making good the walls and floors wherever required ( WC Pan with white solid plastic seat with lid ).

Providing and fixing white viterous china wash basin( ISI) with C.I brackets, 15 mm C.P., brass pillar taps, 32 mm C.P brass waste of standard pattern, including painting of fitting and brackets, cutting and making good the walls wherever require ( Flat back wash basin size 550 x 400 mm with a single 15 mm CP brass taps, including cost of all materials, labour charges, GST, Labour welfare cess, etc. Complete.

KVB CONSTRUCTION (BID ID -3157133)