REPAIR OR MAINTAINANCE OF OXIDATION CHAMBERS, IRON REMOVAL FILTER AND REPAIR REWIRING OF PUMP SETS AND WATER TREATMENT PLANTS, PERIODICAL CLEANING OF OHT AND UG SUMP AND STP OR ETP AND SLUDGE HOLDING PVC TANK INCLUDING SUPPLY OF WATER TREATMENT CHEMI

Amount

Disconnection of inlet, outlet, and back wash connections from existing Iron Removal Plant, Pressure Feed Type with FRP vesels [Comprising of 01 (One) No.Oxidation Plant of overall size 1230 mm dia. & 1700 mm Height, and 01 (One) No.Iron Removal Filter of overall size 2600 mm dia. & 2800 mm Height ] of 15000 GPH capacity, opening carefully the manhole/handhole covers, taking out old filteration media from inside the vessels and deposited at a distance n. exceeding 50 Meters, including cleaning the vessels internally by descaling washing down with water , including cleaning the external surfaces of vessels alongwith frontal pipings and inter connection pipings, through cleaning of external surfaces of vessels and writing letters or figures (Block, Roman, Italic or Indian) n exc. 30 cm high and drawing stops, commas, short lines, dashes, hyphens, brackets etc. with synthetic enamel paint [SM/MES No., Capacity, Location etc.], including recharging of Filteration Media, refixing of PVC strainer etc as per OEM specifications and including reconnection of pipelines, refixing of manhole/handhole covers, testing and commissioning of IRP,including painting with one coat of black bituminous paint including preparation of surface suitable for drinking water inside the vessels, painting of filter plant with two coats of synthetic enamel paint by spray painting over a coat of red oxide primer including preparation of surface of outside surface of filter plant, pipe lines, marking to pipe lines(incoming & outgoing) after scraping old damaged painting including writing the plant name and capacity with white paint on the plant ,complete all as specified and directed at Pump House No.1 & 2

All as per Item No 1 here-in-before including notes therein but of size of Oxidation Plant in overall 1000 mm dia. & 1220 mm Height, and 01 (One) No.Iron Removal Filter of overall size 2550 mm dia. & 1900 mm Height ] of 10000 GPH capacity.complete all as specified and directed at Pump House No.3

Supply and fixing Soda Pot of capacity 14 Ltrs with necessary fixing arrangement,connecting all necessary arrangent including PCC foundation with the existing system.Make- RAMCO, Pearl filter, Satya Sai aqua pura sevices

Supply and fixing ALUM Pot of capacity 14 Ltrs with necessary fixing arrangement,connecting all necessary arrangent including PCC foundation with the existing system.Make- RAMCO, Pearl filter, Satya Sai aqua pura sevices

Supply of new filteration media sand (cleaned) of 20 x 40 mesh from Barakar, hard and resistant, quartz or quartzite, free from clay, fine particles, soft grains and dirt of every description,conforming to IS 8419, Part-I, complete all as specified. .

Supply only new PVC strainer for pressure filter as per existing size & shape.

Supply Only, Filtration Media Gravel , size 1/8" to 1/4",consisting of hard,rounded stones with average specific gravity of not less than 2.5 and free from clay, sand, loam and organic impurities of any kind, conforming to IS 8419, Part-I, complete all as specified.

Supply Only, Filtration Media Gravel , size 1/4" to 1/2",consisting of hard,rounded stones with average specific gravity of not less than 2.5 and free from clay, sand, loam and organic impurities of any kind, conforming to IS 8419, Part-I, complete all as specified.

Supply Only, Filtration Media Gravel , size 1/2" to 1.0",consisting of hard,rounded stones with average specific gravity of not less than 2.5 and free from clay, sand, loam and organic impurities of any kind, conforming to IS 8419, Part-I, complete all as specified.

Supply Only, Filtration Media Gravel , size 1.5" to 2",consisting of hard,rounded stones with average specific gravity of not less than 2.5 and free from clay, sand, loam and organic impurities of any kind, conforming to IS 8419, Part-I, complete all as specified.

Supply only Activated carbon media in IR plant as directed by Engr-in-Charge.

Supply Only, Manganese Dioxide (MnO2) media, approximate size 10 mm X 15 mm, with MnO2 contents minimum 65%, suitable for use in oxidation chamber, complete all as specified. .

Taking out existing submersible pump set of any capacity alongwith column pipe from bore well and lowering the same after repairs the pump set or adding the extra length of cable, column pipe, welding work or for development of tube well including disconnecting and re-connection of all electric & mechanical connection Note : (i) One lifting, & one lowering shall be measured one job in this item. (ii)Repair of pump set or adding extra length of cable ,column piep, welding work or development of tubewell shall be measured and paid separately

Material & labour for unscrewing of submersible pump from motor and rewinding of elctric motor 25 HP (submersible motor) with supper enameled copper wire of existing gauge, varnishing drying with electrical furnace process and repair/replacing/ cleaning unserviceable impeller and all lathe work related to submersible pump and shafts including taking down burnt winding cleaning of stator and rotor including replacement of bush, bearing etc testing & commissioning complete all as directed by Engr-in-Charge

Material & labour for unscrewing of submersible pump from motor and rewinding of elctric motor of 20 HP (submersible motor) with supper enameled copper wire of existing gauge, varnishing drying with electrical furnace process and repair/replacing/ cleaning unserviceable impeller and all lathe work related to submersible pump and shafts including taking down burnt winding cleaning of stator and rotor including replacement of bush, bearing etc testing & commissioning complete all as directed by Engr-in-Charge

Material & labour for unscrewing of submersible pump from motor and rewinding of elctric mortor of 12 HP (submersible motor) with supper enameled copper wire of existing gauge, varnishing drying with electrical furnace process and repair/replacing/ cleaning unserviceable impeller and all lathe work related to submersible pump and shafts including taking down burnt winding cleaning of stator and rotor including replacement of bush, bearing etc testing & commissioning complete all as directed by Engr-in-Charge

Supply and fixing CI Butterfly valve including nut bolts washers of size 150 mm dia suitable for existing pressure filter including taking down unserviceable valves complete all as directed. Make: Jindal / Electrosteel/ Zoloto/ Tata Metalic/ Leader/ Kartar

All as per item No. 18 above but 100 mm bore size Make: Jindal / Electrosteel/ Zoloto/ Tata Metalic/ Leader/ Kartar

Supply & fix only PVC insulated waterproof 3 core cable suitable for submersible pump set 1100 volts grade with standard copper conductor cable of size 6 sqmm including water proof jointing material complete all as directed by Engr-in Charge. Make- KEI/ Polycab/ Havells

Supply and fixing Water pressure gauge 0 to 10.6 kg/cm2 pressure including gauge cock of suitable size complete testing and commissioning including taking out U/S pressure gauge with or without cock any type all as directed.

Supply and replacement of SWR steel rope of size 8 mm including fixing double U clamps of suitable size complete all as directed by Engr-inCharge

Supply and fixing in repairs,Pump tube of existing make all as directed

Supply and fix in repairs MS ERW column pipe with flange of size 100 mm dia incliuding PVC conduit medium grade for cable all as specified and directed by Engr-in-Charge. Make: TATA/ JINDAl/ SAIL

Supply and fixing FRP solution preparetion cum settling tank capacity 100 ltrs with lid, port hole, inlet / outlet / drain connection, level gauge etc and fitted with speed reducing motor and SS-316 agitator suitable for chlorne dosing system including taking down old FRP tankl connecting all necessary arrangent of FRP tank with the existing system. Make- RAMCO/ Pearl filter/ Satya Sai aqua pura sevices/ Declibac

Taking up or down 80 mm bore galvanised steel tubing and connection including cleaning for relaying or removal to store from trenches/wall surfaces complete all as directed.

All as per Item No 26 but bore of Pipe 50 mm.

All as per Item No 26 but bore of Pipe 40 mm.

All as per Item No 26 but bore of Pipe 25 mm.

All as per Item No 26 but bore of Pipe 20 mm.

All as per Item No 26 but bore of Pipe 15 mm.

Supply, lay and fixing of 80 mm bore GI Tubing medium grade in Trenches/Floor/Pillar and connection in old or new positions including fitting like socket/Union/Tee/ Reducer Nipple etc complete as required will be supplied by Contractor, rate for the same is included in the item rate quoted all as directed by Engr-in Charge. Make: TATA/ JINDAl/ SAIL

All as per Item No 32 but bore 50 mm Make: TATA/ JINDAl/ SAIL

All as per Item No 32 but bore 40 mm Make: TATA/ JINDAl/ SAIL

All as per Item No 32 but bore 25 mm Make: TATA/ JINDAl/ SAIL

All as per Item No 32 but bore 20 mm Make: TATA/ JINDAl/ SAIL

All as per Item No 32 but bore 15 mm Make: TATA/ JINDAl/ SAIL

Supply and Fixing 40mm bore Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed including taking out of old unserviceable gate valve any type complete all as directed. Make: Zoloto/ Kirloskar/ Leader

All as per Item No 38 but 50 mm dia bore Make: Zoloto/ Kirloskar/ Leader

All as per Item No 38 but size 25 mm bore. Make: Zoloto/ Kirloskar/ Leader

All as per Item No 38 but size 20 mm bore. Make: Zoloto/ Kirloskar/ Leader

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m deep in soft/loose of soil for taking out pipe and laying of pipe & getting out for diverting of GI pipe line complete all as directed.

Returning, filling in, including spreading, leveling, watering & well ramming in layers not exceeding 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 m above the starting point complete all as directed.

Testing/Chemical analysis of water sample from the IRP after recharging of Filter Media shall be carried out from National Test House Kolkata or any Govt. Engineering College/PHE office/Water Commission Board and test report shall be submitted to department with in 15 days after treatment of water. The test results should remains in pemisible limit for 6 month duration. The following parameters should be tested i) Turbidity, ii)Ph iii) Iron(Fe) iv)Fluoride v) Arsenic vi) Nitrate vii)Calciumas caco3 viii)Chloride ix) Residual chlorine Xi) Magnesium as Mgco3 Xii)Alkanity Xiii) TDS Xiv) COD xv) Total coliform Xvi) Sulphate So4 xvii) BOD

Construction of brick massonery valve pit internal dimension 90x90x90cm with subclass B bricks in CM (1:6) and 15mm thick plastering in CM (1:4) inside the chamber and on the external portion exposed above ground level, 3mm thick MS sheet cover welded arouds with ms flat iron of size 40x6mm and ms angel iron frame of size 40x40x6mm with locking arrangement and painting with two coats of syhthetic enamel paint over coat of red oxide primer including necessary earth all specified

Supplying and installing Sluice Valves of 150 mm dia flanged of class PN 1.0, complete with nuts, bolts and washer all as required . Make: Jindal / Electrosteel/ Zoloto/ Tata Metalic/ Kartar/ Leader

Demolition of cement concrete (Unreinforceed) of any description in ground floor not exceeding 15 cm thickness (Below or above ground level)

Material and labour for 100 mm thick PCC 1:3:6 Type C2 using 40 mm graded crushed stone aggregate as in path , concrete surface even and smooth without using extra cement complete all as specified

ROY ENTERPRISE