GE(W)/HSR-19/2024-25 CLEANING OF OGTs, UG SUMPS, REW WATER RESERVIORS, FLOCULATORS, FILTER BEDS AND CI/DI/GI PIPE LINES AND CONNECTED ALLIED WORKS

Amount

Cleaning of raw water tank No.1& 2 of size 116 X 110 X 6.7 Mtrs deep by taking out sludge i.e mud, silt and sand including weeds (the depth of mud silt mixed approx 30 cm) and disposal of retrieved material to distance exceeding 50 mtr but not exc 100 mt from the outer edge of the tanks spread and leveled as directed by Engineer-in-charge, cleaning the floor of the tank and slanted surfaces up to the depth of silt by removing vegetation growth and any foreign substances and sweeping, by wire brushing and gunny bags including repair of float & floating arms & connected works by replacing the unserviceable MS float as per existing and making the float valve serviceable in all aspects, painting the floating arms with black bituminous paint, painting the existing water level indicator with black paint and marking level with white paint and making the float valve serviceable in all aspects, open if any blockages of inter connection pipes of existing size up to raw water UG sump of concern filtration plant below 6.7 Mtr from ground level, if any existing sluice valve found unserviceable making the serviceable in all aspects, including cutting &removal of grass, bushes, weeds upto a distance of 5mtr from the outer edge around the tank, if any civil works such as brick work, plastering and welding work for existing barrier surrounding of raw water tank required for making good condition of existing tank including painting with two coats of synthetic enamel paint on existing board/wall with blue paint of size 60x60 cm and writing the letters with white paint height of the each letter not less than 50mm incl writing the following information (a) Capacity (b) Location (c) Date of cleaning (d) date of next cleaning. Note for item Nos 1,2&3 :- (i) It will be responsibility of the contractor to dewatering by Diesel pumps or by any other means. The entire job should be completed with in 20 days from the date of handing over site including repairs to walls & floors of tank, water found in any level and at any condition of weather. (ii) A penality/fine beyond 7 days @ 1% per week of the quoted rate and beyond 14 days and upto completion@ 2 % per week of the quoted rate each Job will be charged if not completed in given time from the date of handing over of site. (iii) During repairing of existing size sluice valve if replaced with new one it should be measured and paid separately. iv) During removal of the trees/bushes etc the holes made during uprooting shall be made good with the existing specifications to the entire satisfaction of the Engr-in-Charge.

Description all as per Ser item No 1.00 here-in-before but raw water tank No 3 of size 207 X 62 X 6.7 Mtrs complete all as specified and directed.

Description all as per Ser item No 1.00 here-in-before but raw water tank No-4 of size 207 X 114 X 6.7 Mtrs complete all as specified and directed.

Cleaning of drainage water reservoir of size 100 x 100 x 3 Mtrs deep by removing sarkanda, long wild grass completely before taking out sludge i.e mud, silt and sand including weeds (the depth of mud silt mixed approx 30 cm) and disposal of retrieved material to distance exceeding 50 mtr but not exc 100 mt from the outer edge of the tanks spread and leveled as directed by Engineer-in-charge, cleaning the floor of the tank and slanted surfaces up to the depth of silt by removing vegetation growth and any foreign substances and sweeping, by wire brushing and gunny bags complete including cutting &removal of Kikar trees, grass, bushes, weeds upto a distance of 5mtr from the outer edge around the tank . (Western Pocket Drainage Pump House) Note for Item Nos.4&5:- (i) It will be responsibility of the contractor to take out the water by Diesel pumps or by any other means. The entire job should be completed with in 10 days from the date of handing over site in cluding repairs to walls & floors of tank, water found in any level and at any condition of weather. (ii) A penality/fine beyond 7 days @1% per week of the quoted rate and beyond 14 days and up to completion @2% per week of the quoted rate each Job will be charged if not completed in given time from the date of handing over of site. iii) During removal of kikar trees/bushes etc the holes made during uprooting shall be made good with the existing specifications to the entire satisfaction of the Engr-in-Charge.

Cleaning of drainage water reservoir of size 100 x 50 x 3 Mtrs deep by removing sarkanda, long wild grass completely before taking out sludge i.e mud, silt and sand including weeds (the depth of mud silt mixed approx 30 cm) and disposal of retrieved material to distance exceeding 50 mtr but not exc 100 mt from the outer edge of the tanks spread and leveled as directed by Engineer-in-charge, cleaning the floor of the tank and slanted surfaces up to the depth of silt by removing vegetation growth and any foreign substances and sweeping, by wire brushing and gunny bags complete including cutting &removal of Kikar trees, grass, bushes, weeds upto a distance of 5mtr from the outer edge around the tank . (Eastern Pocket Drainage Pump House)

Cleaning of clarifloculator (internally) size 17 mt dia and 3.5 mt deep internally having double chamber by scraping of wall, bottom, Aerator and channel from Aerator to Floculator with wire brush and jute bags, removing silt, sludge, any type of depositing and disposal of retrieved material to distance exceeding 50 mtr but not exc 100 mtr from the outer edge of the tank spread and leveled and two coat of white washing on whole chambers internally, externally existing and bottom of chamber after washing rubbing down and scraping of existing whitewash, if any fabrication work for existing internal structure of clarifloculator required for making good condition, including painting with two coats of black bituminous paint on existing internal chamber Iron structure and Painting on existing board/wall with blue paint of size 60x60 cm and writing the letters with white paint height of the each letter not less than 50mm incl writing the following information (a) Capacity (b) Location (c) Date of cleaning (d) date of next cleaning complete all as specified and directed. Note:- (i) The entire job should be completed with in 03 days from the date of handing over site in cluding fabrication work to internal chamber structure with satis faction of concern JE. (ii) A penality/fine beyond 3 days and up to completion @1% per week of the quoted rate each Job will be charged if not completed in given time from the date of handing over of site.

Cleaning of sludge water tank for filtration plant-1 of size 38mt x 23 mt at top 32mt x 18 mt at bottom and 5mtr deep by removing sarkanda, long wild grass completely before taking out sludge i.e mud, silt and sand including weeds (the depth of mud silt mixed approx 30 cm) and disposal of retrieved material to distance exceeding 50 mtr but not exc 100 mt from the outer edge of the tanks spread and leveled as directed by Engineer-in-charge, cleaning the floor of the tank and slanted surfaces up to the depth of silt by removing vegetation growth and any foreign substances and sweeping, by wire brushing and gunny bags complete including cutting &removal of Kikar trees, grass, bushes, weeds upto a distance of 5mtr from the outer edge around the tank complete all as specified and directed. Note for item 7,8,9,10,11 & 12 :- (i) The entire job should be completed with in 2 days from the date of handing over site in cluding fabrication work to internal chamber structure. (ii) A penality/fine beyond 2 days and up to completion @ 1 % per week of the quoted rate each Job will be charged if not completed in given time from the date of handing over of site.

Description all as per Ser item No. 7.00 here-in-before but for filtration plant No-2&3 size of tank 6 mtr deep having 3 mtr dia complete all as specified and directed.

Description all as per Ser item No. 7.00 here-in-before but for filtration plant No-4 size of tank 6 mtr deep having 4.5 mtr dia complete all as specified and directed.

Cleaning of Clear water sump of Bansi park pump house 15 mtr deep having 3 mtr dia by taking out sludge mixed with water in the shape of mud silt, sand, including white wash of external surface, cutting & removal of kikar trees up to 30cm trunk, sarkanda, grass, bushes, weeds upto a distance of 5mtr from the outer edge around the tank , cleaning bed & walls incl disposal of retrieved material to a distance exc 50 mt but n exc 100mt from outer edge of tank, spreading leveling complete all as specified and directed.

Cleaning of raw water UG sump of filtration plant No-1 (VT Pump House) size 7.5 mtr deep having 4.5 mtr dia by taking out sludge mixed with water in the shape of mud silt, sand including white wash of external surface removal of sarkanda, grass, bushes, weeds upto a distance of 5mtr from the outer edge around the tank , cleaning bed & walls incl disposal of retrieved material to a distance exc 50 mt but n exc 100mt from outer edge of tank, spreading leveling complete all as specified and directed.

Description all as per Ser item No. 11.00 here-in-before but for filtration plant Nos- 2 & 3 size 6 mtr deep having 4.5 mtr dia complete all as specified and directed.

Description all as per Ser item No. 11.00 here-in-before but for filtration plant No-4 size 12x4x6 Mtr complete all as specified and directed.

M&L internal cleaning of dome of RCC overhead tanks of any type of capacity of 2 lakh gallon and at 60/70 ft staging by scraping, brushing the internal surface of wall and bottom floor, cleaning, removing the sludge mixed with water in the shape of mud silt, sand (the depth of mud silt mixed approx 60 cm) and depositing where directed not exc 50 mt away from O/H tank and washing internal surface of tank incl bottom with water, applying one coat of lime wash(internally) and painting of stair case with two coats of synthetic enamel paint of approved colour complete incl painting of wall with blue paint of size 60x60 cm and writing the letters with white paint height of the each letter not less than 50mm incl writing the following information (a) Capacity (b) Location (c) Date of cleaning (d) date of next cleaning and writing slogan as on dome of tank height of words 250mm:- "WATER IS PRECIOUS". for Item Nos.13,14,15 & 16 :- (i) It will be responsibility of the contractor to take out the water by electric submercible sludge pumps alongwith suitable cable for motor and electricity provision up to inside of dome of OHT. (ii) The entire job should be completed with in 8 hours from the handing over site in cluding scraping, brushing the internal surface of wall and bottom floor, cleaning, removing the complete accumulated silt sludge and washing internal surface of tank incl bottom with water, internally applying one coat of lime wash, water found in any level and at any condition of weather. (iii) A penality of Rs .25% of quoted rate per each Job will be charged if not completed in given time from the date of handing over of site. (iv) The quoted rate will be including cutting &removal of grass, bushes, weeds upto a distance of 5mtr from the outer edge around the over head tank.

Description all as per Ser item No. 13.00 but over head Tank 01 lakh gallons capacity complete all as specified and directed.

Description all as per Ser item No. 13.00 but over head Tank 50000 gallons capacity complete all as specified and directed.

Description all as per Ser item No. 13.00 but over head Tank 25000 gallons capacity complete all as specified and directed.

Cleaning of underground sump of capacity 2.0 lakhs Gallons by taking out sludge i.e mud, silt and sand including weeds (the depth of mud silt mixed approx 60 cm) and including dewatering water and disposal of the same to a distance 50 mtr, scrapping of internal surface of walls, floor with wire brush, broom, jute, applying one coat of lime wash, painting of existing cast iron pipe and Sluice valves with one coat of synthetic enamel black paint, including painting with two coats of synthetic enamel paint on existing board/wall with blue paint of size 60x60 cm and writing the letters with white paint height of the each letter not less than 50mm incl writing the following information (a) Capacity (b) Location (c) Date of cleaning (d) date of next cleaning complete all as specified and directed. Note for Item Nos.17,18,19,20 & 21 :- (i) It will be responsibility of the contractor to take out the water by electric submercible sludge pumps alongwith suitable cable for motor and electricity provision up to inside of underground Sump. (ii) The entire job should be completed with in 8 hours from the handing over site including scraping, brushing the internal surface of wall and bottom floor, cleaning, removing the complete accumulated silt sludge and washing internal surface of tank incl bottom with water, internally applying one coat of lime wash, water found in any level and at any condition of weather. (iii) A penality/fine beyond 8 hours and up to completion @ 2 % per hour of the quoted rate each Job will be charged if not completed in given time from handing over of site. (iv) The quoted rate will be including cutting &removal of grass, Kikar trees, bushes, weeds upto a distance of 5mtr from the outer edge around the tank.

Description all as per Ser item No. 18.00 here-in-before but capacity 100000 Gallons complete all as specified and directed.

Description all as per Ser item No. 18.00 here-in-before but capacity 50000 Gallons complete all as specified and directed.

Description all as per Ser item No. 18.00 here-in-before capacity 25000 Gallons complete all as specified and directed.

Description all as per Ser item No. 18.00 here-in-before capacity 20000 Gallons complete all as specified and directed.

Site clearance in soft/loose soil, Grubbing up Kikar tree trunk including cutting of trunk portion protruding over ground, bushes, wild grass growth, sarkanda etc, digging out roots, filling holes and leveling off ground, stacking of serviceable material and removing of unserviceable material by JCB machine to a distance n exc. 50 m and clearing site and depositing where directed by Engineer-in-Charge. Note :- During removal of the trees/bushes etc the holes made during uprooting shall be made good level with the existing ground surface to the entire satisfaction of the Engr-in-Charge.

Taking out layers of filter material from filter beds complete with silt and mud and depositing at a distance not exceeding 50mtr all as directed including spreading and leveling (different materials to be segregated and deposited separately) complete all as specified and directed.

Taking out filter gravels from filter beds complete with mud and silt, stacking at site, washing using water jets and concentrated hydrochloric acid and segregating using sieves of different size i.e. 50 to 25mm, 25 to 15mm, 15 to 6.5mm and 6.5 to 4.75mm complete for reuse including removal of under size gravel /mud at distance not exceeding 50 mtr complete all as specified and directed.

Supplying, laying and packing the fresh stone gravel of size 50mm to 25mm of quartz or quartzite quality in the filter beds to the required thickness after proper washing of natural stone gravel complete all as specified and directed.

Description all as per Ser item No. 26.00 above but size of gravel 25 to 15mm complete all as specified and directed.

Description all as per Ser item No. 26.00 above but size of gravel 15 to 6.5mm complete all as specified and directed.

Description all as per Ser item No. 26.00 above but size of gravel 6.5 to 4.75mm complete all as specified and directed.

Supply and filling the fresh filtered fine sand quartz or quartzite in layers of coarse and fine sand in the filter beds to the required thickness after proper washing the sand complete all as specified and directed (Old/retrieved sand shall not be reused.)

Laying and repacking only stone gravel of size 50 to 25mm as obtained from Srl Item No 25.00 above in filters beds to the required thickness after proper washing complete.

Description all as per Ser item No. 31.00 above but size of gravel 25 to 15mm complete all as specified and directed.

Description all as per Ser item No. 31.00 above0 but size of gravel 15 to 6.5mm complete all as specified and directed.

Description all as per Ser item No. 31.00 above but size of gravel 6.5 to 4.75mm complete all as specified and directed.

virendra constructions

VIKAS INFRASTRUCTURE

M/S RAJESH KUMAR & SONS