MAINT CLEANING OF SUMPS OVERHEAD TANK SEDIMENTATION TANKS AND FILTER TANKS LOCATED AT VARIOUS LOCATION AT AF STN SINGARSI UNDER AGE I AF SINGARSI

Amount

M&L for six stage cleaning and sterilization of inner surface of UG Sump of capacity 1 Lakh Gallon installed at pump installations (Near 1 Lakh gallon pump house) through bacteriological & Ultraviolet ray treatment. Six stages are as under :- (a) First stage is Mechanised De-watering to drain out the remnant water using high capacity de-watering system, after the water has been drained off through valve. (b) Second stage is Sludge Removal, sucking out sludge settled on the floor of the tank using special sludge pumping equipment. (c) Third stage is High Pressure Cleaning, where the walls & ceilings of the tanks are thoroughly cleaned using special high pressure jet cleaners which rid of the walls off depositions, algae and all conrtaminants which cling onto the internal surface of the tank helping the microbiological contamination to grow. (d) Fourth stage is vacuum cleaning using industrial vacuum cleaner to remove the resultant contaminant, making the tank absolutely speck-free. (e) Fifth stage Anti-Bacterial Spray, make the walls & ceilings totally sterile from bacterial contamination using govt. certified anti-bacterial agents. (f) Sixth stage is UV Radiation treatment where final sterilization and disinfection is done using UV radiation by UV radiaotr which is used to kill any suspended or floating bacteria remaining in the tank. Note:- (i) Cleaning of external surfaces, lid wall of the tank, structure for all scales and other particles any algae, hives and any type of vegetaion or any other unwanted matters, scraping of old paint and painting with two coats of cement based water proof apex paint complete all as directed. (ii) A sticker of appropriate size and colour as directed by Engr in Charge and non degradeable material with printed details as under :- Date of Cleaning and Expiry date will be written. (iii) Painting of raising main, distribution, wash out and overflow pipes with suitable colour coding. (iv) All safety equipments required and necessary insurance for safey of working labour to execute the work is responsible of the contactor. (v) Clearing of premises around storage tank of vegetations/scrap/unwanted matters/debris shall be deemed to be included in the quoted price.

M&L for six stage cleaning and sterilization of inner surface of Over Head Tank of capacity 1 Lakh Gallon installed at pump installations (Near 1 Lakh gallon pump house) through bacteriological & Ultraviolet ray treatment. Six stages are as under :- (a) First stage is Mechanised De-watering to drain out the remnant water using high capacity de-watering system, after the water has been drained off through valve. (b) Second stage is Sludge Removal, sucking out sludge settled on the floor of the tank using special sludge pumping equipment. (c) Third stage is High Pressure Cleaning, where the walls & ceilings of the tanks are thoroughly cleaned using special high pressure jet cleaners which rid of the walls off depositions, algae and all conrtaminants which cling onto the internal surface of the tank helping the microbiological contamination to grow. (d) Fourth stage is vacuum cleaning using industrial vacuum cleaner to remove the resultant contaminant, making the tank absolutely speck-free. (e) Fifth stage Anti-Bacterial Spray, make the walls & ceilings totally sterile from bacterial contamination using govt. certified anti-bacterial agents. (f) Sixth stage is UV Radiation treatment where final sterilization and disinfection is done using UV radiation by UV radiaotr which is used to kill any suspended or floating bacteria remaining in the tank. Note:- (i) Cleaning of external surfaces, lid wall of the tank, structure for all scales and other particles any algae, hives and any type of vegetaion or any other unwanted matters, scraping of old paint and painting with two coats of cement based water proof apex paint complete all as directed. (ii) A sticker of appropriate size and colour as directed by Engr in Charge and non degradeable material with printed details as under :- Date of Cleaning and Expiry date will be written. (iii) Painting of raising main, distribution, wash out and overflow pipes with suitable colour coding. (iv) All safety equipments required and necessary insurance for safey of working labour to execute the work is responsible of the contactor. (v) Clearing of premises around storage tank of vegetations/scrap/unwanted matters/debris shall be deemed to be included in the quoted price.

M&L for six stage cleaning and sterilization of inner surface of Settling Tank (Sedmintation tank) of capacity 40000 Gallon installed at booster pump house through bacteriological & Ultraviolet ray treatment. Six stages are as under :- (a) First stage is Mechanised De-watering to drain out the remnant water using high capacity de-watering system, after the water has been drained off through valve. (b) Second stage is Sludge Removal, sucking out sludge settled on the floor of the tank using special sludge pumping equipment. (c) Third stage is High Pressure Cleaning, where the walls & ceilings of the tanks are thoroughly cleaned using special high pressure jet cleaners which rid of the walls off depositions, algae and all conrtaminants which cling onto the internal surface of the tank helping the microbiological contamination to grow. (d) Fourth stage is vacuum cleaning using industrial vacuum cleaner to remove the resultant contaminant, making the tank absolutely speck-free. (e) Fifth stage Anti-Bacterial Spray, make the walls & ceilings totally sterile from bacterial contamination using govt. certified anti-bacterial agents. (f) Sixth stage is UV Radiation treatment where final sterilization and disinfection is done using UV radiation by UV radiaotr which is used to kill any suspended or floating bacteria remaining in the tank. Note:- (i) Cleaning of external surfaces, lid wall of the tank, structure for all scales and other particles any algae, hives and any type of vegetaion or any other unwanted matters, scraping of old paint and painting with two coats of cement based water proof apex paint complete all as directed. (ii) A sticker of appropriate size and colour as directed by Engr in Charge and non degradeable material with printed details as under :- Date of Cleaning and Expiry date will be written. (iii) Painting of raising main, distribution, wash out and overflow pipes with suitable colour coding. (iv) All safety equipments required and necessary insurance for safey of working labour to execute the work is responsible of the contactor. (v) Clearing of premises around storage tank of vegetations/scrap/unwanted matters/debris shall be deemed to be included in the quoted price.

M&L for six stage cleaning and sterilization of inner surface of Storage Tank of capacity 20000 Gallon installed at booster pump house through bacteriological & Ultraviolet ray treatment. Six stages are as under :- (a) First stage is Mechanised De-watering to drain out the remnant water using high capacity de-watering system, after the water has been drained off through valve. (b) Second stage is Sludge Removal, sucking out sludge settled on the floor of the tank using special sludge pumping equipment. (c) Third stage is High Pressure Cleaning, where the walls & ceilings of the tanks are thoroughly cleaned using special high pressure jet cleaners which rid of the walls off depositions, algae and all conrtaminants which cling onto the internal surface of the tank helping the microbiological contamination to grow. (d) Fourth stage is vacuum cleaning using industrial vacuum cleaner to remove the resultant contaminant, making the tank absolutely speck-free. (e) Fifth stage Anti-Bacterial Spray, make the walls & ceilings totally sterile from bacterial contamination using govt. certified anti-bacterial agents. (f) Sixth stage is UV Radiation treatment where final sterilization and disinfection is done using UV radiation by UV radiaotr which is used to kill any suspended or floating bacteria remaining in the tank. Note:- (i) Cleaning of external surfaces, lid wall of the tank, structure for all scales and other particles any algae, hives and any type of vegetaion or any other unwanted matters, scraping of old paint and painting with two coats of cement based water proof apex paint complete all as directed. (ii) A sticker of appropriate size and colour as directed by Engr in Charge and non degradeable material with printed details as under :- Date of Cleaning and Expiry date will be written. (iii) Painting of raising main, distribution, wash out and overflow pipes with suitable colour coding. (iv) All safety equipments required and necessary insurance for safey of working labour to execute the work is responsible of the contactor. (v) Clearing of premises around storage tank of vegetations/scrap/unwanted matters/debris shall be deemed to be included in the quoted price.

M&L for six stage cleaning and sterilization of inner surface of UG Sump of capacity 50000 Gallon capacity installed at various pump installations through bacteriological & Ultraviolet ray treatment. Six stages are as under :- (a) First stage is Mechanised De-watering to drain out the remnant water using high capacity de-watering system, after the water has been drained off through valve. (b) Second stage is Sludge Removal, sucking out sludge settled on the floor of the tank using special sludge pumping equipment. (c) Third stage is High Pressure Cleaning, where the walls & ceilings of the tanks are thoroughly cleaned using special high pressure jet cleaners which rid of the walls off depositions, algae and all conrtaminants which cling onto the internal surface of the tank helping the microbiological contamination to grow. (d) Fourth stage is vacuum cleaning using industrial vacuum cleaner to remove the resultant contaminant, making the tank absolutely speck-free. (e) Fifth stage Anti-Bacterial Spray, make the walls & ceilings totally sterile from bacterial contamination using govt. certified anti-bacterial agents. (f) Sixth stage is UV Radiation treatment where final sterilization and disinfection is done using UV radiation by UV radiaotr which is used to kill any suspended or floating bacteria remaining in the tank. Note:- (i) Cleaning of external surfaces, lid wall of the tank, structure for all scales and other particles any algae, hives and any type of vegetaion or any other unwanted matters, scraping of old paint and painting with two coats of cement based water proof apex paint complete all as directed. (ii) A sticker of appropriate size and colour as directed by Engr in Charge and non degradeable material with printed details as under :- Date of Cleaning and Expiry date will be written. (iii) Painting of raising main, distribution, wash out and overflow pipes with suitable colour coding. (iv) All safety equipments required and necessary insurance for safey of working labour to execute the work is responsible of the contactor. (v) Clearing of premises around storage tank of vegetations/scrap/unwanted matters/debris shall be deemed to be included in the quoted price.

M&L for six stage cleaning and sterilization of inner surface of RCC overhead tank of capacity 10000 Gallon capacity installed at various pump installations at any height through bacteriological & Ultraviolet ray treatment. Six stages are as under :- (a) First stage is Mechanised De-watering to drain out the remnant water using high capacity de-watering system, after the water has been drained off through valve. (b) Second stage is Sludge Removal, sucking out sludge settled on the floor of the tank using special sludge pumping equipment. (c) Third stage is High Pressure Cleaning, where the walls & ceilings of the tanks are thoroughly cleaned using special high pressure jet cleaners which rid of the walls off depositions, algae and all conrtaminants which cling onto the internal surface of the tank helping the microbiological contamination to grow. (d) Fourth stage is vacuum cleaning using industrial vacuum cleaner to remove the resultant contaminant, making the tank absolutely speck-free. (e) Fifth stage Anti-Bacterial Spray, make the walls & ceilings totally sterile from bacterial contamination using govt. certified anti-bacterial agents. (f) Sixth stage is UV Radiation treatment where final sterilization and disinfection is done using UV radiation by UV radiaotr which is used to kill any suspended or floating bacteria remaining in the tank. Note:- (i) Cleaning of external surfaces, lid wall of the tank, structure for all scales and other particles any algae, hives and any type of vegetaion or any other unwanted matters, scraping of old paint and painting with two coats of cement based water proof apex paint complete all as directed. (ii) A sticker of appropriate size and colour as directed by Engr in Charge and non degradeable material with printed details as under :- Date of Cleaning and Expiry date will be written. (iii) Painting of raising main, distribution, wash out and overflow pipes with suitable colour coding. (iv) All safety equipments required and necessary insurance for safey of working labour to execute the work is responsible of the contactor. (v) Clearing of premises around storage tank of vegetations/scrap/unwanted matters/debris shall be deemed to be included in the quoted price.

M&L for opening completely pressure filter of capacity 10000 GPH and taking out existing filter media, (sand, gravells, carbonfill) stainers and nozzles, removing and depositing filter media to a distance not exceeding 50 m for reuse at site, performing six stage cleaning of pressure clarifier tank and filling of new gravels, sand & carbonfill and refixing stainer & nozzle in existing position complete all as specified & directed by Engr-in-Charge. Six stages are as under :- (a) First stage is Mechanised De-watering to drain out the remnant water using high capacity de-watering system, after the water has been drained off through valve. (b) Second stage is Sludge Removal, sucking out sludge settled on the floor of the tank using special sludge pumping equipment. (c) Third stage is High Pressure Cleaning, where the walls & ceilings of the tanks are thoroughly cleaned using special high pressure jet cleaners which rid of the walls off depositions, algae and all conrtaminants which cling onto the internal surface of the tank helping the microbiological contamination to grow. (d) Fourth stage is vacuum cleaning using industrial vacuum cleaner to remove the resultant contaminant, making the tank absolutely speck-free. (e) Fifth stage Anti-Bacterial Spray, make the walls & ceilings totally sterile from bacterial contamination using govt. certified anti-bacterial agents. (f) Sixth stage is UV Radiation treatment where final sterilization and disinfection is done using UV radiation by UV radiaotr which is used to kill any suspended or floating bacteria remaining in the tank. Note:- (i) Cleaning of external surfaces, lid wall of the tank, structure for all scales and other particles any algae, hives and any type of vegetaion or any other unwanted matters, scraping of old paint and painting with two coats of cement based water proof apex paint complete all as directed. (ii) A sticker of appropriate size and colour as directed by Engr in Charge and non degradeable material with printed details as under :- Date of Cleaning and Expiry date will be written. (iii) Painting of raising main, distribution, wash out and overflow pipes with suitable colour coding. (iv) All safety equipments required and necessary insurance for safey of working labour to execute the work is responsible of the contactor.

Collecting of water samples from (a) Gumani dam (b) booster pump house (c) Domestic area (d) One lakh galon tank area of 5 Ltrs each from each location in container as recommended, transporting it to Govt recognised Lab for testing forwarding to the test house and carrying out chemical testing water for iron, PH value, hardness, turbidity, chloride, fluoride, arsenic, colour odour, TDS,E-coli test as per IS 10500:12 by Govt approved laboratory and submitting the report in triplicate complete all as specified and as directed

M & L for brass stainer for suction 100 mm Dia ISI Marked brass made complete all as specified and directed.

S & F in repair for cast iron sluice valve of 100 mm dia ISI Marked, confIrming to IS14846 both ends flanged with brass spindle, class PN1.6 and necessary new MS nuts, bolts, washer and gasket, including taking out old u/s ones for credit and making good etc complete all as specified and directed by Engr-in-Charge.

S & F in repair for cast iron sluice valve of 150 mm dia ISI Marked, confIrming to IS14846 both ends flanged with brass spindle, class PN1.6 and necessary new MS nuts, bolts, washer and gasket, including taking out old u/s ones for credit and making good etc complete all as specified and directed by Engr-in-Charge.

M&L for joint with rubber or fibre board gasket (incl. bolts, nuts, washers and white lead or mineral oil) of size 200mm dia complete all as specified and as directed by Engr-in-Charge.

M&L for joint with rubber or fibre board gasket (incl. bolts, nuts, washers and white lead or mineral oil) of size 150mm dia complete all as specified and as directed by Engr-in-Charge.

M&L for joint with rubber or fibre board gasket (incl. bolts, nuts, washers and white lead or mineral oil) of size 100mm dia complete all as specified and as directed by Engr-in-Charge.

M&L for joint with rubber or fibre board gasket (incl. bolts, nuts, washers and white lead or mineral oil) of size 80mm dia complete all as specified and as directed by Engr-in-Charge.

M&L for clamping existing 100 mm GI pipeline with suitable Saddle Clamp and slotted base clamp (03 sets) on side wall incl. drilling, nuts, bolts, screws, washers, bits, etc. all as specified and directed by Engr-in-charge.

M & L for applying two coat of synthetic enamel paint of existing colour shade on surfaces of any description, over 10 cm in width or girth, not otherwise described complete all as specified and as directed by Engr-in-Charge.

Demolition of concrete (unreinforced) of any description and in any position not otherwise specifically provided for and disposal of debris/rubbish to a distance n.exc 100 m all as specified and as directed by Engr-in-Charge.

Demolition of brickwork or stone/boulder masonry, built in cement motor including quoins, arches, pillars, etc., but excluding ashlar facings, dressed stonework and precast concrete articles and disposal of debris/rubbish to a distance n.exc 100 m all as specified and as directed by Engr-in-Charge.

M&L for providing cement concrete type B0 1:2:4 (12.5 mm graded aggregate) in lintels upto 1.5 m clear span, cills, steps, seismic and other similar bands plinth courses, string courses lacing courses, parapets and railings upto 60 cm in height copings, kneelers, apex stones bed plates, water troughs and the like including weathering, slightly rounded or chamfered angles and throating as directed. Note:- The rates include for use of form work (straight or curved).

Excavation in trenches n exc 1.5 m wide & n exc 1.5 mtr deep in soft/lose soil for taking out pipe & laying of pipe & getting out for diverting of CI pipe line complete all as directed.

Returning, filling in, including spreading, leveling, watering & well ramming in layers n. exc 25 cm thick complete all as directed.

Removal of excavated soil to a distance not exc 50 m and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as directed.

Taking up or down 50 mm bore steel tubing and connection including cleaning for relaying or removal to store from trenches/wall surfaces complete all as directed.

Refixing of old steel tubing of 50 mm dia and connections in new or old postion (wall, ceiling, floors,etc) including fittings complete all as directed.

M&L for taking out sluice valves of dia 100mm,refacing, regrinding and refixing complete all as directed. Note:-Rubber Gasket or fibre board gaskets and will be paid separately as per existing serials.

M&L for taking out sluice valves of dia 150mm,refacing, regrinding and refixing complete all as directed. Note:-Rubber Gasket or fibre board gaskets and will be paid separately as per existing serials.

M&L for taking out sluice valves of dia 200mm,refacing, regrinding and refixing complete all as directed. Note:-Rubber Gasket or fibre board gaskets and will be paid separately as per existing serials.

M&L for taking out sluice valves of dia 80mm,refacing, regrinding and refixing complete all as directed. Note:-Rubber Gasket or fibre board gaskets and will be paid separately as per existing serials.

Taking up of DI flanged pipes 200 mm , including removing old rubber or fibre board gaskets, bolts, nut with flanged ends, cleaning of flanged surfaces, replacing rubber gasket and refixing of water mains to existing position with new rubber gasket all as specified and directed by Engr-in-charge. Note:-Rubber Gasket or fibre board gaskets and will be paid separately as per existing serials.

S & F of Digital VAF meter , Voltage 0-440 V AC, current 0-5 A AC, Freq- 45-55 Hz, Class 1 for LT panels with motor starter all as specified and directed by Engr-in Charge. Make: L&T/Risabh/Equivalent.

M & L in replacement of Copper Lugs for 50 Sqmm copper supply cable of 100 hp motor-pumpset all as specified and directed by Engr-in Charge.

M & L in replacement of Copper Lugs for 35 Sqmm copper supply cable of 60 hp motor-pumpset all as specified and directed by Engr-in Charge.

M & L in replacement of Copper Lugs for 25 Sqmm copper supply cable of 40 hp motor-pumpset all as specified and directed by Engr-in Charge.

LALAN SHARMA (BID ID -3340554)

M/S MBS TRADING CO (BID ID -3340299)

M/S KUMAR AVINASH (BID ID -3339739)

M/S New Builders Corporation (BID ID -3340731)

M/S AMARNATH AGARWALLA (BID ID -3339837)

DANATION CONSTRUCTIONS (BID ID -3340327)