REPAIR /MAINT OF AND CLEANING OF OHT, UNDER GROUND/ SEMI UNDERGROUND WATER STORAGE PUMP, FILTER BEDS AT VARIOUS FILTER PLANT UNDER AGE E/M -I OF GE DEHRADUN

Amount

Material and labour for cleaning of filter bed size 25.5x9.20x3.20 meters at Birpur Filter Plant by digging 30 cm sand, brooming down and scrapping all the side walls and bottom, including all valves, channels and wash out drain etc removing fungus, scales, dirt, sludge etc., taking out sludge from inside of tank and depositing the same at a distance not more than 100 mtrs and washing the tank inside with water and chemicals such as bleaching powder, caustic soda etc, draining out water and applying two coats of apex Weather proof paint over a coat of suitable primer on internal and external surface of the tank, writing date of cleaning in white capital letters with sythetic enamel paint on black back ground, size of letters 80 x 10mm complete all as specified and as directed by Engr-in-Charge.

All as per item No 01 here in before but filter bed size 33.50x12.60x2.70mtr at Anarwala filter plant complete all as specified and as directed

All as per item No 01 here in before but filter bed size 5x4x2.5 mtr at Patia filter plant complete all as specified and as directed

All as per item No 01 here in before but filter bed size 7.50x2.5x2.5 mtr at New Bijapur filter plant complete all as specified and as directed

Removing of existing filter bed/media i.e. gravel and sand etc. from filter bed of size 7.50x2.5x2.5 mtr, Screening, seperating, cleaning and washing the gravels/sand obtained from filters for reuse and removing the soil to a distance n.exc 50m and applying two coat of Weather proof paint over a coat of primer on internal surface of the filter and painting water channel of filter with black enamel paint after scruubbing the walls and channel and reloading the cleaned filter media in the filter complete all as specified and directed. Note : Extra quantity of gravel / sand required to top up the filter bed shall be paid under relevant item. Location - New Bijapur Filtration Plant.

All as per item No 05 here in before but filter bed size 5x4x2.5 mtr at Patia filter plant complete all as specified and as directed

Removing of existing filter bed/media i.e. gravel & sand etc. from filter bed size 25x9.20x3.20 meters , Screening, seperating, cleaning and washing the sand/gravel for reuse, refill the reusable sand/gravel after cleaning and removing the spoil to a distance n.exc 50m complete including side intake channel and painting the clean wall surface (Internal & External) of filter bed and channel with Apex Weather proof paint all as specified and directed. Location - Birpur Filter Plant Note : Extra quantity of gravel / sand required to top up the filter bed shall be paid under relevant item .

All as per item No 7 here in before but filter bed size 33.50x12.60x2.70mtr at Anarwala filter plant. Notes for item Nos - 1 to 8 : (a) The item shall include all type of scaffolding, supports, ladders, platforms etc. and safety equipments required for working in the sumps. (b) Internal surface of the tank after washing and cleaning shall be got approved from the Engr-in-Charge before carring out further treatment. (c) The tenderers are advised to visit the site to know the exact location, depth and condition of the sumps before quoting the rate.

Material and labour for laying gravels of size 25 mm to 40 mm in 30cm layers in filter beds including screening, cleaning and washing complete all as specified and directed. (Source of gravel:- Lal Kuan, Haldwani).

Material and labour for laying gravels of size 16 mm to 25 mm in 30cm layers in filter beds including screening, cleaning and washing complete all as specified and directed. (Source of gravel:- Lal Kuan, Haldwani).

Material and labour for laying of natural quartz sand of size 1.5 to 2.5mm in filter bed complete all as specified & directed. (source of sand:- Janshi/Babina)

Supply and fix in replacement filter nozzel plastic as per existing complete all as specified & directed.

Material and labour for cleaning of RCC under ground sediment tank of size 11.6 x 11.6 x 3.5 mtr or 2.75 Lakh gallon capacity (approx) at New Bijapur Filtration Plant by brooming down, scrapping all the side walls and bottom, removing fungus, scales, dirt, sludge etc., taking out sludge from inside of tank and depositing the same at a distance not more than 100 mtrs and washing the tank inside with water and chemicals such as bleaching powder, caustic soda etc, draining out water and applying two coat of Weather proof paint over a coat of suitable primer on internal and external surface of the tank , writing date of cleaning in white capital letters with sythetic enamel paint on black back ground, size of letters 80 x 10mm complete all as specified and as directed by Engr-in-Charge.

All as per item No 13 here in before but RCC under ground raw water sump of size 20 x 20x2.6 Mtr or 3 Lakh gallon capacity (approx) at New Bijapur Filtration Plant complete all as specified and as directed

All as per item No 13 here in before but Sludge water tank / washout tank of size appx. 17 x 5 x 1.5 meters at New Bijapur Filtration Plant complete all as specified and as directed

All as per item No 13 here in before but Alum & lime dozing well of size appx. 2.5Mtr dia and 2.25 Mtr depth at New Bijapur Filtration Plant complete all as specified and as directed

All as per item No 13 here in before but Chlorine contact tank appx size 10x12x4.0 Mtr at New Bijapur Filtration Plant complete all as specified and as directed

Material and labour for cleaning of RCC clariflocculator of capacity 75Cum/hr, of size 10.5mtr dia appx 4mtr depth at New Bijapur Filtration Plant by brooming down, scrapping all the side walls and bottom including channels, washout system, removing fungus, scales, dirt, sludge etc., taking out sludge from inside of tank and depositing the same at a distance not more than 100 mtrs and washing the tank inside with water and chemicals such as bleaching powder, caustic soda etc, draining out water, and painting all MS work like channel, gear assembly, rails, railing or any other metallic part with one coat of synthetic enamel paint, applying two coat of apex Weather proof paint over a coat of primer on internal and external surface of the tank and writing date of cleaning in white capital letters with sythetic enamel paint on black back ground, size of letters 80x10mm, complete all as specified and as directed by Engr-in-Charge.

All as per item No 18 here in before but RCC Flash mixture tank of capacity 10000 Ltr of size 2.5 mtr dia appx 4mtr depth at New Bijapur Filtration Plant complete all as specified and as directed

Material and labour for cleaning of RCC under ground CLEAR water sump of size 20x20x2.75 meters and Capacity 2.0 Lakh gallon (approx) at New Bijapur Filtration Plant and New MH Pump House by brooming down, scrapping all the side walls, bottom and top, removing fungus, scales, dirt, sludge etc., taking out sludge from inside of tank and depositing the same at a distance not more than 100 mtrs and washing the tank inside with water and chemicals such as bleaching powder, caustic soda etc, draining out water and applying one coat of white wash on internal and two coat of apex Weather proof paint over a coat of suitable primer on external surface of the tank, writing date of cleaning in white capital letters with sythetic enamel paint on black back ground, size of letters 80 x 10mm and painting all inlets, outlets, washouts and overflow pipes with one coat of black bituminous paint complete all as specified and as directed by Engr-in-Charge.

Material and labour for cleaning of sedimentation tank of size 10.80x7.5x4.50 meters (approx) consisting of 06 Nos chamber at Birpur filter plant by brooming down, scrapping all the side walls and bottom, removing fungus, scales, dirt, sludge etc., taking out sludge from inside of tank and depositing the same at a distance not more than 100 mtrs and washing the tank inside with water and chemicals such as bleaching powder, caustic soda etc, draining out water and applying two coat of Weather proof paint over a coat of primer on internal and external surface of the tank, writing date of cleaning in white capital letters with sythetic enamel paint on black back ground, size of letters 80 x 10mm complete all as specified and as directed by Engr-in-Charge.

All as per item No 21 here in before butsedimentation tank of size 15.5 x 10.15 x 4.5 meters (approx) consisting of 06 Nos chamber at Anarwala Filter plant complete all as specified and as directed

Material and labour for Cleaning of raw water tank appx size 23.1 x 5.5 x5.0 Mtr (Cone shape) having two chambers by taking out deposit silt/mud from inside of tank upto bottom surface including scraping deposit alge on inside wall and washing the tank inside with water and chemicals such as bleaching powder, caustic soda etc, draining out water, and painting all MS work like pipe,valve or any other metallic part with one coat of synthetic enamel paint, applying two coat of Weather proof paint over a coat of suitable primer on internal and external surface of the tank, writing date of cleaning in white capital letters with sythetic enamel paint on black back ground, size of letters 80 x 10mm complete all as specified and directed by Engineer-in-Charge. Location - Patia Pump House.

Material and labour for Cleaning of raw water tank (for Anarwala) appx size 20 x 20 x 5 mtr having two partitions by taking out deposit silt/mud from inside of tank upto bottom surface including scraping deposit alge on inside wall and washing with lime water upto bottom, applying two coat of Weather proof paint over a coat of suitable primer on internal and external surface of the tank, writing date of cleaning in white capital letters with sythetic enamel paint on black back ground, size of letters 80 x 10mmcomplete all as specified and directed by Engineer-in-Charge. Location - Patia Pump House.

Material and labour for Cleaning of raw water tank having three chamber of following sizes - 4 x 4.5 x 5mtr , 5 x 3.5 x 5mtr and 8. x 2.5 x 3mtr by taking out deposit silt/mud from inside of tank upto bottom surface including scraping deposit alge on inside wall and washing with lime water upto bottom, applying two coat of Weather proof paint over a coat of suitable primer on internal and external surface of the tank, writing date of cleaning in white capital letters with sythetic enamel paint on black back ground, size of letters 80 x 10mmcomplete all as specified and directed by Engineer-in-Charge. Location - Old Bijapur Raw water point.

Material and labour for cleaning of raw water channel upto 0.60 mtr x1.5mtr cross section size by brooming down all the side walls, bottom and top, removing fungus, scales dirt sludge etc. from inside and depositing the same at a distance not more than 100 m and washing the channel inside with water and chemicals such as bleaching powder, castic soda etc and applying two coats of Weather proof paint over a coat of suitable primer on internal surface of the channel complete all as specified and directed. Location - Old Bijapur Raw water point.

Material and labour for cleaning of RCC over head reservoirs of capacity 25000 Gln by brooming down all the side walls, bottom and top, removing fungus, scales dirt sludge etc. from inside and depositing the same at a distance not more than 100 mtrs after emptying the tank completely and washing the tank inside with water and chemicals such as bleaching powder, castic soda etc and applying one coat of white wash on internal surface of the tank and writing date of cleaning in white capital letters on black back ground, size of letters 80 x 10mm with sythetic enamel paint and marking the direction of flow complete including draining of excess water in tank by providing pump all as specified and as directed. Location :- Anarwala area

All as per item No 27 here in before but RCC OH tank of capacity 50000 gallon complete all as specified and directed. Location :-MH area-2 ,Patia area-2,Arty area -1.

All as per item No 27 here in before but RCC OH tank of capacity 75000 gallon complete all as specified and directed. Location :-Ghunghora Hill

All as per item No 27 here in before but RCC OH tank of capacity 100000 gallon complete all as specified and directed.(Location :- Zone A-05,B-05 & C-04). Notes for item Nos - 27 to 30 : (a) The item shall include all type of scaffolding, supports, ladders, platforms etc. and safety equipments required for working in the foul conditions/OHT. (b) Required T&P for cleaning of OHT will be responsibility of the contrator. Cost of T&P shall be included in the quotated rate of this item. (b) Surfaces of the tanks after washing and cleaning shall be got approved from the Engr-in-Charge before carring out further treatment. (c) Contractor shall provide take all precautionary measures and provde necessary tools, dresses, gears etc to the workmen required for working in foul conditions at his own cost and shall be resposible for any type of accident and mishappening. (c) Sludge shall be transported in closed containers/ trucks. (d) The tenderers are advised to visit the site to know the exact location, depth and condition of the sumps before quoting the rate.

Material and labour for cleaning of RCC under ground/semi under ground sump of capacity 25000 to 30000 Gln by brooming down all the side walls, bottom and top, removing fungus, scales dirt sludge etc. from inside and depositing the same at a distance not more than 100 mtrs after emptying the tank completely and washing the tank inside with water and chemicals such as bleaching powder, castic soda etc and applying one coat of white wash on internal surface of the tank and writing date of cleaning in white capital letters on black back ground, size of letters 80 x 10mm with sythetic enamel paint and marking the direction of flow complete including draining of excess water in tank by providing pump all as specified and as directed.(Location- Ghunghora -02 Birpur -02 Anarwala area-01)

All as per item No 31 here in before but under ground CLEAR water Sump of capacity 40,000 gallon complete all as specified and directed. Location -Polo P/H, B/Road, Patia F/plant

All as per item No 31 here in before but under ground CLEAR water Sump of capacity 50,000 gallon complete all as specified and directed. (Location :- Zone A- 04, ZoneB- 03 & Zone C-4)

All as per item No 31, here in before but under ground CLEAR water Sump of capacity 1,00,000 gallon complete all as specified and directed. (Location :- Zone A- 02, ZoneB- 01 & Zone C-4)

All as per item No 31, here in before but under ground CLEAR water Sump of capacity 2,00,000 gallon complete all as specified and directed. Location - Anarwala F/plant Note for item No 31 to 35 : (i) All required safety equipments (Gumboot, helmets, safety belts, Safety googles, torch light etc) and necessary insurance for safety of working staff to execute the work is responsibility of the contractor. (ii) Lighting arrangements if required to be provided by the contractor temporarily at his own arrangements and the amount quoted for that is deemed to be inclusive in the unit rate. (iii) Contractor will not be allowed more than one day to do the work inside of the each OH tank/UG sump to prevent interruption of water supply to the users.

Testing of sewage effluent at the inlet of raw sewage sump and out let of chlorine contact tank sampling and analysis to be carried out by NABL accredited authorized LAB as per IS - 3025 for essential parameters such as residual chlorine, TDS, TSS, BOD & COD Note: Samples of raw sewage are to be collected by contractor in presence of rep of accepting officer every month & submitted result of the test completed all as specified as directed.

Draining out water from fluidized aerobic bed / FAB Reactor Tank- 2 Nos of size 4.7 x3.65 x 3.5 meters (approx) manually or mechanically taking out existing FAB MEDIA and stacking it carefully at STP complex, Cleaning/desludging of aerobic bed by means of scrapping inside walls and bottom by steel wire brush to remove raw material and transport to out side STP complex for disposal and thereafter cleaning/washing of interior surface using high grade bleaching powder lime mixed water and applying two coats of Weather proof paint over a coat of suitable primer on external surface of the FAB tank including following :- (i) Cleaning of filter pipe including . (ii) Cleaning of compress air pipe system and carrying out minor repairs whenever required. (iii) Washing properly & carefully stacked FAB MEDIA by using fresh water & Lime-bleaching water and refilling the FAB MEDIA into fluidized aerobic beds as directed.

Draining of water from tube settler tank - 2 Nos of size 4.7x3.3x 5.5 meters (approx) manually or mechanically, Cleaning /desludging of tube settler tanks by means of scrapping inside walls and bottom by steel brush to remove raw material and transport it to out side STP complex for disposal, there after cleaning/washing of interior surface of tank walls & bottom using high grade bleaching powder and lime mixed water and applying two coats of Apex Weather proof paintt on internal and external surface of the tank. Note: The media shall not be removed from tube shelter tank while washing it complete all as specified and directed.

Cleaning/desludging of raw sewage under ground sump (Equalisation tank) 5.6 x6.6 x 6 meters (approx) including screening chamber by closing main incoming manhole and pumping out raw sewage to nearest drain by using portable non clog pump set, cleaning of raw sewage sump manually or mechanically using special T&P such as movable sewage cleaning tanker scrapping inside wall, and bottom by steel wire brush to remove raw material and transport it to out side the STP complex for disposal, thereafter cleaning/washing of interior surface of underground sump using high grade bleaching powder and lime mixed water and applying two coats of Apex Weather proof paintt on internal & external surface of the tank complete all as specified & directed.

Draining out of water from chlorine contact tank and treatment water supply tank of size 6 X6X 2.0 meters (approx) manually or mechanically, cleaning/washing by scrapping inside walls and bottom by steel wire brush to remove raw materials and transport to out side STP complex for disposal, there after cleaning/washing the interior surfaces of tank walls & Bottom using high grade bleaching powder and lime mixed water and applying two coats of Apex Weather proof paint over a coat of suitable primer on external surface of the tank.

Periodical maintenance of sludge drying bed of size 3 x 3 mtr by removing all floating material, scrapping and taking out filter media mixed with sludge to a depth of 25 mm to 32 mm, cleaning wall from inside, taking out sludge and disposal out side MOD land, digging out filter media up to 150mm depth for increasing the porosity, leveling the media uniformly in filter bed and applying black enamel paint on internal surface above media, applying two coats of weather proof paint over a coat suitable primer on external surface of the tank. Note:- (i) Additional qty of FAB MEDIA and pea gravel required to be filled in addition to existing qty will be measured and paid separately. Notes for item Nos - 37 to 41 : (a) The item shall include all type of scaffolding, supports, ladders, platforms etc. and safety equipments required for working in the foul conditions/sumps. (b) Surfaces of the tanks after washing and cleaning shall be got approved from the Engr-in-Charge before carring out further treatment. (c) Contractor shall provide take all precautionary measures and provide necessary tools, dresses, gears etc to the workmen required for working in foul conditions at his own cost and shall be resposible for any type of accident and mishappening. (c) Sludge shall be transported in closed containers/ trucks. (d) The tenderers are advised to visit the site to know the exact location, depth and condition of the sumps before quoting the rate.

Material and labour for water sample testing for any of the sources as directed by Engr -in-Charge by collecting sample of raw and treated water in clean sealed container in presence of representative of GE and same shall be got tested for physical, Biological and chemical test for potability of water as per relevant IS, once in every three months from a Govt recognized lab and Test result of water shall be submitted to AGE E&M office for record.(Location :- New Bijapur filter Plant, Anarwala F/Plant, Patia F/Plant, Birpur Filter Plant ,Lalgate Pump House, Polo Pump House, Beacher Road Pump House)

Material and labour for site clearance by means removing of debris, cutting of grass, bushes, plant growth and disposed off up to a distance not more than 50mtr from the starting point all as directed at site at various water supply installations. Note:- This item shall be execute twice in six month at a particular site/location.

Supply only alum crystal for swimming pool complete all as specified and directed.

Supply only coper sulphate for swimming pool complete all as specified and directed.

Supply only Soda ash for swimming pool complete all as specified and directed.

Supply only HCL for cleaning of swimming pool complete all as specified and directed.

Supply only FAB MEDIA as per sample for STP. Make Ion exchange/Thermax

Material and labour for laying of Pea gravel 3 mm to 4.5mm in filter bed at STP anarwala complete all as specified & directed.

Supply only bacteria culture, suitable for MBBR type plant complete all as specified and directed.

Supply only DAP fertiliser for day to day use in sewage treatment plant complete all as specified and directed

Supply only molasses (Sheera) for day to day use in sewage treatment plant complete all as specified and directed.

Supply only urea for STP complete all as specified and directed.

Material and labour for preparation of old painted steel surface and applying one coat of red oxide primer and two coat of synthitic enamel paint to all pipe lines, railings, any type of channel, angle iron, duct cover or any other metallic parts all as specified and as directed.

Supply only O-Tolidine Reagent solution for chlorine estimate packed in glass bottle of 500 ml capacity complete all as specified and as directed . Make " Fisher scientific/Nice Chemical or equivalent

Supply only Calcium Hypo Chlorite having 65%-70% Chlorine Content (Calcium based granular disinfectant) for general water treatment & swimming pool water treatment, in factory sealed container/drum (45 kg packing), complete all as specified and directed. Make : Royalseema/ Declibac Calcium Hypochlorite detailed specifications : (a) Chemical analysis & physical observations : Description : Whitish granules Granular size (Mesh passing through - 100 BSS): 1.1(+ 0.1)% Water/moisture : < 5.00% Mercury & other Heavy Metal contaminants : BDL. (b) Strength in terms of quantity of chlorination chemical required to obtain free chlorine of 1 ppm per lakh liters of water: Requirement must be 140-200 gm per one lakh liter of water to achieve 1 ppm Average at injection point (site & raw water quality variations may apply additionally).

Supply of stable bleaching powder Grade – I conforming to IS-1065/1989 (IInd Revision) as amended upto date having available chlorine contents minimum 34% by mass and packed in 25 Kg polythene bag having double fold complete all as specified and directed by Engineer-in-Charge and as per following specifications:- Make : Grasim/Shriram Bleaching powder (Calcium Hypo Chloride), Chlorine formula : Ca (OCl)2 Molecular weight : 142.96, Physical Appearance : white fine powder, Chlorine content :- 30 % ± 1%, Moisture : 0.5 % Max On heating at 10 ± 2°C it dose not lose more than 1/15 of available chlorine Passing through 1.7mm sieve : 99%

Supply of Alum Ferric Sulphate (Grade-4) (best quality as per sample) for purification of water (containing lead (as PB) 30 ppm max and arsenic 6ppm max) confirming to IS-299/2012 (Revised) as amended up-to-date complete all as specified and directed by Engineer-in-Charge. (Note:- The Alumino Ferric Sulphate shall be supplied in superior quality Bricks (Slabs) as per IS specifications.

Supply only lime of superior quality complete all as specified and directed.

Supply of Poly Aluminum Chloride AC-100S powder inorganic soluble polymer powder effective in both high and low turbidity for rapid and better floc formation with much lower dosing rates, less sludge rates, less sludge generation, less PH reduction in factory sealed container/ plastic bag of 25 Kg each, complete all as specified and directed.

Material and labour for Pumping out water from the RIMC swimming pool of size 50x21M, Diving Pool 16x16 and 6 M deep, Lime tank and Balancing tank (fresh water inflow tank), Bleaching tank etc by using pumpset, removing the sediments and mud, algae and cleaning the walls, floors, ducts, channels, surface of glazed tiles, painted and cemented surfaces by using scrappers, brushes, and other mechanical equipments, washing the surfaces with clean water and applying Hydrochloric acid and other detergents and drying in open complete all as directed by Engineer-in-charge. Note: The tenderers are advised to visit the site to know the exact condition of the swimming pool before quoting the rate. Rate of HCL and other cleaning agent is included in the quoted rate of the item

Material and labour for Pumping out water from the Garwal swimming pool of size 25x10M including Diving Pool , Lime tank and Balancing tank (fresh water inflow tank), Bleaching tank etc by using pumpset, removing the sediments and mud, algae and cleaning the walls, floors, ducts, channels, surface of glazed tiles, painted and cemented surfaces by using scrappers, brushes, and other mechanical equipments, washing the surfaces with clean water and applying Hydrochloric acid and other detergents and drying in open complete all as directed by Engineer-in-charge. Note: The tenderers are advised to visit the site to know the exact condition of the swimming pool before quoting the rate. Rate of HCL and other cleaning agent is included in the quoted rate of the item

M/S DHEER ENGINEERING (BID ID -3090190)

Ansh Enterprises (BID ID -3090724)

M/s Kamal Traders (BID ID -3089223)