CLEANING AND MAINTENANCE OF UNDERGROUND SUMPS, OHT DUG WELLS, FILTER BEDS, FLUCATORS WITH CONNECTED ITEMS AT GE NAGROTA.

Amount

Cleaning of semi underground clarifloculators size 10 m dia and 3 m deep (internal dimensions) by removal of mud/wet silt from inside tank depth of mud 0.5 to 1.0 m from floor level and removal of mud/liquid silt to a distance n exc. 50 mtr and cleaning of tank by scrubing the silt & scale from floor and walls and washing out tank with alum mixed water finally with clear water untill the clear water is not obtained, complete all as specified and directed.

Dewatering of Dug well of size 13.5 mtr depth and 6 mtr dia by pumping out water with pump set and removing mud, sand depositing out side the Dug well 50 mtr away and cleaning the Dug well thoroughly inside & bottom by using wire brush and removing all the sticky participles including making a rectangle strip of adequate size with black paint on the out side surface of the Dug well and writing date of cleaning with white paint over the strip, complete all as specified and directed by Engr-In-Charge. Note:- Suitable size opening by cutting the side brick wall of Dug well shall be made for removing mud and sludge from Dug well and the same shall be made good after completion of work. The rate shall be deemed to included in the quoted rate.

Dewatering of semi UG sump of capacity 3.0 Lakhs Gallon by pumping out water with pumping set and removing mud, sand, gravel etc from semi UG sump manually and depositing out side the semi UG sump 50 Mtr away and cleaning the semi UG sump thoroughly inside & bottom by using wire brush and removing all the sticky particles including making a rectangle strip of adequate size with black paint on the out side surface of the semi UG sump and writing date of cleaning with white paint over the strip, complete all as specified and directed by Engr-In-Charge.

Dewatering of semi UG sump of capacity 1.5 Lakhs Gallon by pumping out water with pumping set and removing mud, sand, gravel etc from semi UG sump manually and depositing out side the semi UG sump 50 Mtr away and cleaning the semi UG sump thoroughly inside & bottom by using wire brush and removing all the sticky particles including making a rectangle strip of adequate size with black paint on the out side surface of the semi UG sump and writing date of cleaning with white paint over the strip complete all as specified and directed by Engr-In-Charge.

Dewatering of semi UG sump of capacity 0.5 Lakhs Gallon by pumping out water with pumping set and removing mud, sand, gravel etc from semi UG sump manually and depositing out side the semi UG sump 50 Mtr away and cleaning the semi UG sump thoroughly inside & bottom by using wire brush and removing all the sticky particles including making a rectangle strip of adequate size with black paint on the out side surface of the semi UG sump and writing date of cleaning with white paint over the strip complete all as specified and directed by Engr-In-Charge.

Dewatering of over head tank of capacity 01 Lakhs Gallon up to a height of 70 feet by drain out through washout valve and removing mud, sand, gravel etc from the over head tank manually and depositing out side the over head tank 50 Mtr away and cleaning the over head tank thoroughly inside, walls & bottom by using wire brush and removing all the sticky particles including making a rectangle strip of adequate size with black paint on the out side surface of the over head tank and writing date of cleaning with white paint over the strip, complete all as specified and directed by Engr-In-Charge.

Dewatering of over head tank of capacity 0.5 Lakhs Gallon up to a height of 70 feet by drain out through washout valve and removing mud, sand, gravel etc from the over head tank manually and depositing out side the over head tank 50 Mtr away and cleaning the over head tank thoroughly inside, walls & bottom by using wire brush and removing all the sticky particles including making a rectangle strip of adequate size with black paint on the out side surface of the over head tank and writing date of cleaning with white paint over the strip, complete all as specied and directed by Engr-In-Charge.

M&L for diversion of course of river(Tawi river) in to the intake channel of the suction side of the raw water pumps installed at long term water supply pump house so that the intake channel get sufficient raw waer for pumping to the sedimenttation bed by using POK Land Excavators complete all as specified and directed. note: (i) T&P required such as excacators shall be provided by the contractor and rate for the same be included in the quoted rates.(ii) Men power requried for making channels near intake shall be provided by the contractor. (ii) Sand bag requried for making channels shall be provided by the contractor and rate for the same shall be included in the tender

Dewatering of raw water from filter bed at long term water supply including mud by pumping or bailing out muddy water form filtration bed which can not be drained out by operation of valve , complete all as specified and directed

Taking out silt and mud deposited at the filter bed at long term water supply inclulding mud by pumping or bailing out muddy water from filtration bed which can not be drained out by operation of valves, complete all as specified and directed

M&L for taking out quartz sand, gravels of different sizes and removal at a distance not exceeding 50 mtr from starting point size 10.0 X 11.0 Mtr filter bed complete all as specified and directed.

Supply and fixing cast iron lateral pipes 80mm dia, 3 mtr long flanged type duly fixed with PVC strainers on 20 mm dia sockets complete with nuts , bolts, gaskets, etc including dismantling of exisitng pipes from bottom of filter bed, complete all as specified and directed

Applying cement slurry wash on all sides of filter bed size 10.0 X 11.0 Mtr at the rate of 3 kg/Sqm, complete all as specified and directed

Supply , cleaning, washing and laying of gravels in first layers of size 20 mm to 25 mm upto 400mm depth of filter bed size 10.0 X 11.0 Mtr, complete all as specified and directed

Supply , cleaning, washing and laying of gravels in second layers of size 10 mm to 15 mm upto 400mm depth of filter bed size 10.0 X 11.0 Mtr, complete all as specified and directed

Supply , cleaning, washing and laying of gravels in third layers of size 06 mm upto 300 mm depth of filter bed size 10.0 X 11.0 Mtr, complete all as specified and directed

Supply and laying of 1st layer of quartz sand dusts cleaned and washed of size 0.8 mm - 1.6 mm upto 500 mm depth of filter bed size 10.0 X 11.0 Mtr, complete all as specified and directed

Supply and fixing 20mm dia cast iron nozzle strainers for cast iron lateral pipes including welding/fixing with suitable sockets complete all as specfied and directed

Supply only alumina ferric (Grade-1) suitable for purification of drinking water in the form of solid lumps/slabs from the manufacturer having valid BIS certificate as specified in table 1 of IS: 299-2012 complete all as specified and directed Note-Each block of alum supplied by the contractor should have a marking indicating weight of the slab and manufacturing date and be in proper packing. The contractor shall submit the lab test report from any Govt approved lab of the alumina ferric supplied. Note:- 1.Contractor will provide original parchase voucher of each consignment. 2.Quantity will be taken after approval of Board of officer.

Supply only calcium Hypo Chlorite granular in factory sealed HDPE container (45 Kg each) decomposing at 177 C , Mol Wt : 142.98, Toxicity: Oral rat LD : 850mg /kg having chlorination concentration level 70%, complete all as specified and directed. Note:- 1.Contractor will provide original parchase voucher of each consignment. 2.Quantity will be taken after approval of Board of officer.

Supply only following chemicals for treatment of water to keep the swimming pool water free from fungus and bacteria

Algae control solution Note:- 1.Contractor will provide original parchase voucher of each consignment. 2.Quantity will be taken after approval of Board of officer.

coppoer sulphate of approved quality Note:- 1.Contractor will provide original parchase voucher of each consignment. 2.Quantity will be taken after approval of Board of officer.

soda ash of approved quality Note:- 1.Contractor will provide original parchase voucher of each consignment. 2.Quantity will be taken after approval of Board of officer.

S&F wooden base brush of size 92 cm x 7 cm x4cm suitable for suction sweeper assembly, with nylon hair brush with bristles of length 7cm and 1mm dia each complete all as specified and directed

S&F PVC nylon flexible hose squairral pipe 40 mm outer dia size, heavy duty capacity suitable for suction sweeper complete all as specified and directed

Supply only pool vaccum head for suction of 40mm dia PVC squarral pipe as required and directed by Engr-in-Charge as required complete all as specified and directed

S&F swimming pool clean net spa leaf rake wire mesh frame with 10 feet aluminum pole complete all as specified and directed

Nitika electricals and engineers works

MAMTA ENTERPRISES

Balbir Enterprises

M/S ANMOL TRADING CO

Skyline Encon