MLA SDF_ 2017_18 _ Urakam Drinking Water Project in Mullassery Panchayath balance works_Design_ Supply_ installation _ commissioning of pressure filter_ chlorine dosing unit and supply_ erection_ commissioning of open well submersible motor pum

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App:- A- Pressure Sanding Filter

Design, Supply, installation & commissioning of Dual Media Pressure Filter including necessary foundation based on the site conditions and as directed by the engineer in charge, with suitable technology option using mild steel epoxy coated filter Vessel with diameter not less than 1250 mm & Height not less than 2100 mm capable of discharging water at 8000 LPH (8m3/Hr) which should withstand the operating head of 63 meters, with best quality suitable size MULTIPORT Valve for easy back washing, rinsing and filtering. Filter media shall be graded quartz sand and anthracite with depth not less than 900 mm in Dual media filter (supporting media 30cm, fine sand 60cm anthractie 30cm) and capable of removing turbidity of 30 NTU to the desirable limit as per IS 10500-2012 including all plumbing works with suitable size of PVC class 5 pipes and specials required. The purification units should be designed with a capacity to withstand 1.5 times of the above given parameters of turbidity, other parameters and head, etc.(brochures, guarantee conditions etc to be submitted seperately) and trial running. Details of filter media are: The supporting media include gravel of particle size 12.70 mm - 6.35 mm - depth 20 cm. Grit of size - 6.35 mm - 3.20 mm - depth 10 cm. Anthracite particle size 2.38 mm - 1.20 mm. Sand particle size 1.20 mm - 0.60 mm

App:- B- Chlorine Dosing Unit

Design, Supply and installation based on site conditions and as directed by the Engineer in charge and commissioning of 1 No of Chlorine Dosing System with sodium hypochlorate solution & all necessary accessories. The chlorine solution shall be directly injected to the system at suitable point by using suitable chemical dosing pump (mechanical diaphragm pump) having adjustable discharge 3 to 5 ltrs/Hr at a delivery pressure of 5 to 10 kg/cm2 so as to maintain required residual chlorine in the treated water as per the norms including all accessories such as suitable angle stand to fix the pump set, best quality 100 ltrs PVC tank to the correct alignment and wiring from existing panel board to the pump set by using power cables encased in PVC conduit and trail running, etc. including replacement guarantee for two years.

App:- C- Supply, erection and commissioning of open well submersible motor pump set.

Supply & erection of best quality ISI marked Openwell submersible Motor pumpset having a 1.70lps discharge against 68m head working at 415V at 50 c/s with bronze impeller, stainless steel shaft, CI pump casing with suitable type base plate. Including suitable starter with protection relay, MS panel board with MCCB, ELCB, capacitor, indicator lamps, voltmeter, ammeter etc suitable for the above motor pumpset including necessary copper cable for wiring, erthing, GM/CI non return & sluice valves, suction & delivery connections etc as per ISI and IE regulations & KSEB standard and erected & trial run conducted for 7days as per the direction of deptl officers. If any documentation is required, that should be arranged by the tenderer.(the make, model, efficiency, capacity of components etc should be filled in the attached sheet)

WATERWORLD

UNIVERSAL MACHINES SERVICES

ORION ENGINEERS