SPECIAL REPAIRS OF BER PUMPS AND PRESSURE FILTER MEDIA AND CONNECTED PIPE LINES AT ETS DIVING BASIN AT SATAVAHANA UNDER GE (UTILITY-II) VISAKHAPATNAM

Amount

Disconnecting the electric supply, dismantling and taking down the existing 15 HP pump set and depositing at MES store yard of AGE E/M II all as directed.

Disconnecting the electric supply, dismantling and taking down the existing 5 HP pump set and depositing at MES store yard of AGE E/M II all as directed.

Supply, install, testing and commissioning of Electric driven centrifugal Pumping set of capacity 15 HP capacity, 1450 RPM,50/65 MM suction and delivery line, 100 Mtr head, Discharge 32.3 Cum/Hr with suitable star delta starter and connected suction pipe of 50/65 mm dia from pumpset to sump and foot valve of suitable size including necessary PCC foundation complete as specified and as directed.

Supply, install, testing and commissioning of Electric driven centrifugal Pumping set of capacity 5 HP capacity, 1450 RPM,3'/2.5' suction and delivery line, 35 Mtr head, Discharge 32.3 Cum/Hr with suitable star delta starter and connected suction pipe of 3"/2.5" dia from pumpset to sump and foot valve of suitable size including necessary PCC foundation complete as specified and as directed.

Dismantling and taking out the existing filteration plant and depositing at AGE EM II store yard including throwing out the retrived pebbels and sands from filteration plant at low lying area all as directed by Engr -in-charge.

Supply, install, test and commissioning of pressure sand filter of cap.50 m3/ hr of suitable size to receive 100 mm dia pipe complete with built in back wash system arrangement, Manhole, hand hole, 25mm air vent, pressure gauge, air soured arrangement all frontal piping with Valve, filter media in two grade Filter construction 8mm wall thickness, 8mm dish, and 10mm nozzle plate with anticorrosive lacquer paint coating inside and finish paint coats of red oxide of Epoxy paint outside all complete including frontal piping all complete including nest fabricated out of MS C class heavy duty type pipe for Inlet/Outlet/Up wash/Washout connection with following specification and make as approved by E-In-C . (a) Manhole cover and frame on top dome- 500mm (b) Faced Pads for Inlet /Outlet connections - Equal distribution system (c ) Tapped boss for air connection - 25mm (d) Hand hole cover at bottom of Shell - 500mm dia

(e) Inlet / Outlet Pressure gauge connection. Bourdon type 4’ Dial. 12mm bottom connection (f) Inlet / Out let water Sampling Cock - 12mm (g) Four lifting lunges at Top - suitable size. (h) Internal distribution System for uniform filtration (j) Internal air distribution system./ air scouring (k) Internal air distribution system./ air scouring as required (l) Drain - 50mm (m) M. S. Nozzle plate drilled and tapped and fitted with approve make sand nozzles of suitable capacity.

Details of PRESSURE FILTER. (a) Detail of pressure Vessel. : Vertical. (b) Inlet Pressure kg/cm2. (Min) : 1.7 kg/cm2 (c ) Diameter in mm. : 1500 mm. (d) Height: : 1350 mm. (e) Type of Head (Pressure Filter) : Teripherical. (f) Working Pressure of filter. : 2 kg/cm2. (g) Test Pressure of Filter. : 5 kg/cm2. (h) Pressure gauge. : One at inlet. (j) Filtering Media details. Material. Thickness of layer.mm. Sand/Gravel (k) S. Mesh Gravel. 150 mm (800Kg) (l) Mesh Fine sand 750 mm (2500Kg) (m) Frontal piping : 100 mm M.S. Heavy grade. (n) N.B.C.I.D.F. sluice Valve for Inlet/Outlet / Up wash/washout. : As per IS 780

Supply, install, testing and commissioning of microprocessor based dual (copper/sillver) copper silver ionization plant having consistent current technology of suitable for 500 cum/hr filtration plant all as specified and as directed and make as approved by E-In-C .

Supply, install, testing and commissioning of Chemical Dosing system plunger type suitable to inject solution upto 25 LPH comprising dosing pump coupled with three phase electric motor of capacity 0.5 HP, 1440 RPM coated, FRP tank 150 Ltr capacity, complete with chemical grade PVC NRV including taking down old gaseous gravity type chlorination plant and deposit old retrived item to AGE EM store yard all as specified and as directed and make as approved by E-In-C. Note: The rate quaated is deemed to include necessary PCC platform for mount the chlorination plant.

Supply , install, testing and commissioning of LT feeder pillar box indoor type made out of 2 mm thick CRCA sheet and MS angle iron frame with weather proof canopy, mounted on PCC pedestal, Cubical type, front side openable, compartment type with hinged door lifting lugs 2 Nos, earthing strips at rear side, bottom detachable gland plate complete with suitable size zinc and passivated nut, bolts, spring and washers and locking arrangement for each compartment, provision of air vent, dust and vermin proof , provision of cable alley with 400 Amps rated aluminium bus bar having 1100 Volts grade sleaving and internal connection and duly painted with 2 coats powder coating over a coat of anti corrosive red oxide primer including the following accessories Panel Mount 7 segment LED display type 3Ø Voltage Ampere Frequency Meters LED type indication lamps with switches and fuses (R, Y,B) - 1 Set Incoming: 400 AmpMCCB 36 KA 400 Amp Outgoing : MCCB 25KA 160Amp-01 No. MCCB 16KA 125 Amp-02No. TPN MCB 63 Amp -2No. Soft Starter - 20HP - 02No. Soft Starter - 15 HP - 03No.

Disconnecting and Taking down the old unserviceable elecctric LT panel and depositing at AGE E/M-II store yard at NAD.

Taking down pipelines CI/DI/MS of size 200mm dia including all fittings

Taking down pipelines CI/DI/MS of size 150mm dia including all fittings

Taking down pipelines CI/DI/MS of size 80mm dia including all fittings

Supply and lay pipe GI pipe, nominal dia of 200 mm medium duty in wall/trench/floor all as specified and as directed.

Supply and lay pipe GI pipe, nominal dia of 150 mm medium duty in wall/trench/floor all as specified and as directed.

Supply and lay pipe GI pipe, nominal dia of 80 mm medium duty in wall/trench/floor all as specified and as directed.

Supply and fix in repair Valve, Sluice, flanged of class 1.6 PN complete of size 200 mm dia.

Supply and fix in repair Valve, Sluice, flanged of class 1.6 PN complete of size 150 mm dia.

Supply and fix in repair Valve, Sluice, flanged of class 1.6 PN complete of size 80 mm dia

Taking down, Supply and replacement of Cast Iron Non return Valve with by pass arrangement with necessary rubber gasket, bolts, nuts and washers for sizes 80 mm bore complete all as specified and directed by Engr-in-charge:-

Supply and lay in repair cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 150 Sqmm 3.5 core all as specified and as directed.

Cutting the existing road/PCC hard standing for taking out/laying of pipe including making good the existing surfaces with same finish to match the original finish complete .

Excavation in trenches not exc 1.5 M wide and not exc 1.5 M in depth for pipe line, etc in hard/dense soil getting out and levelling of bottom surface to required level all as specified and as directed.

Returning filling in, including spreading, leveling, watering and well ramming in layers not exc 25 Cm thick soft / loose/hard/dense soil all as specified and as directed by Engineer-in-Charge.

Removing excavated material (Soils) from site to a distance not exc 50 M away and depositing where directed at a level not exc 1.5mtr above the starting point all as specified and as directed by Engineer-in-Charge.

Opening the existing wall for removing/shifting of existing filteration plant of size 2X2 mtr and making good with brick machinary finisshing to match the existing wall surface includding painting all as directed by Engr-in-charge.

GVR CONSTRUCTIONS