REPAIR MAINTENANCE OF SEWAGE TREATMENT PLANTS OF VARIOUS CAPACITIES AND SWIMMING POOL AT VAYUSENA NAGAR NAGPUR

STP 250 KLD (OMQ)

Material and labour for taking out MBBR media from tank cleaned with suitable chemical for refilling after cleaning of MBBR tanks , M&L for cleaning of MBBR REACTOR TANK of stp by cleaning entire internal surface by removing dirt, sludge etc with wire brush by applying bleaching power and fresh water. The cleaning of tank includes following . (a). Taking out MS/HDPE pipe with stainer , descaling the pipe and taking out stainer ,cleaning of stainer / repair by suitable welding or replacement of stainless steel bars / sheet as required at site. (b). Descaling of air grid and cleaning of holes for air piping. (c). Descaling of interconnecting MS piping .(d). Applying all piping inside MBBR tanks and inner surface of Tanks with two coats of epoxy paint over coat of red oxide primer .

Material and labour for cleaning of Sludge dryer TANK/ for 250 KLD stp by cleaning entire internal surface by removing dirt, sludge etc with fresh water and clean entire surface repeatedly with fresh water and draining out soiled waste material including using suitable equipment /tools surface complete and applying cement based paint white colour 2 coats all as specified and directed all as specified and directed by Engineer-In-Charge Note: The waste shall be collected from sludge dryer tank and handover to department without any extra cost

Painting work:

Painting of Installed Machineries at 250 KLD STP of the followings: Using scrapping existing paint and spraying one coat of synthetic enamel paint over one coat of primer for follwing iyems with using Asian/Berjer paint manufacturer all as directed Pump Set with motor :- 06 Nos. Sand Filter :- 01 Nos. Air Blower with motor -02 Nos Sewage lifting pump :- 02 No. LT Panel/Control panel-01 nos MBBR-02 Nos, Tube Settler - 1 Nos All the suction/discharge pipe lines complete length for 250 kld stp

STP 450 KLD (SMQ)

Painting work: Painting of Installed Machineries at 450 KLD STP of the followings: Using scrapping existing paint by steel wire brush and spraying one coat of synthetic enamel paint over one coat of primer for follwing iyems with using Asian/Berjer paint manufacturer all as directed Pump Set with motor :- 06 Nos. Sand Filter :- 01 Nos. ACF-01Nos Air Blower with motor -02 Nos submersible pump :- 02 No. LT Panel/Control panel-02 nos All the suction/discharge pipe lines complete length for 450 kld stp

S & F in repair Cast iron foot valve of size 150 mm confirming to IS:4038 with rubber seating, flanged end complete incl taking out old unsvall as specified and as directed by Engr in charge Make: Kirloskar /Leader /Venus/KARTAR

Painting work:

Painting of Installed Machineries at Swmming Pool Pump House : by scrapping existing paint and two coat of synthetic enamel paint for follwing items with using Asian/Berger paint manufacturer all as directed Pump Set :- 02 Nos. Pressure Filter :- 02 Nos. Suction Sweeper :- 01 No.

STP 250 KLD (MAP)

Material and labour for cleaning of Sludge dryer TANK/ for 250 KLD stp by cleaning entire internal surface by removing dirt, sludge etc with fresh water and clean entire surface repeatedly with fresh water and draining out soiled waste material including using suitable equipment /tools surface complete and applying cement based paint white colour 2 coats all as specified and directed all as specified and directed by Engineer-In-Charge Note: The waste shall be collected from sludge dryer tank and handover to department without any extra cost

Painting work: Painting of Installed Machineries at STP Pump House of the followings: Using scrapping existing paint and spraying one coat of synthetic enamel paint over one coat of primer for follwing iyems with using Asian/Berjer paint manufacturer all as directed Pump Set with motor :- 06 Nos. Sand Filter :- 01 Nos. ACF-01Nos Air Blower -02 Nos Suction Sweeper :- 01 No. LT Panel/Control panel All the suction/discharge pipe lines complete length

Supply only of Trichloroisocyanuric Acid (90%) (C3CI3N303) Chlorine Granuals (90%) Size 5-8 Mesh Appearance : White Granuals Effective Chlorine : 90%,pH : 2.7 to 3.3

Testing of treated water sample collected from vayusena nagar nagpur and testing report required from through reputed laboratory as per BIS -10500:2012 for sewage treated water are required folowing test: Followings parameters for waste treated water should be maintained by the contractor of stp plant and accordingly dosing shall be done PH 6.5-8.5 Dissolved Phosphorous MG/L TDS MG/L Nitrate Nitrogen as N MG/L Turbidity NTU Helminthic Eggs Count/L TSS MG/L Colour Temperature Centigrade Odour Oil & Grease MG/L Helminth Egg Res. Chlorine MG/L Sulphate MG/L Total Kjeldhal Nitrogen MG/L Chlorides MG/L BOD MG/L Acidity MG/L COD MG/L Note: Testing of sample shall be done quaterly basis

Supply only media for MBBR, type of media floating PP , cylindrical shaped , specific gravity 0-90 -0-95 gms/cm3 , colour black for STP all as specified and as directed. Note: Sample available at AGE E/M office of GE (AF) Nagpur.

Taking out unservicable & Supply and install , test , commissioning flow meter , ISI MARK (Sample available at AGE E/M office)

M&L for opening pump set monoblock centrifugal self priming of flow capacity 3 hp with head of 18mtr and 50 hz and 2200 rpm any make from motor coupling after isolating the electric and pipeing connections opening the pump set for repair/overhauling & proper alignment of shaft etc including replacing the items with new items given vide item No 31 below, reassemblying the pumpset greasing connecting, testing and commissioning complete including necessary Lathe works all as specified at 250 KLD STP at AF Vayusena Nagar

Spare parts for pump set for fixing against sewage transfer pump as follows:- 1) Pump shaft sleeve/bush made out of gun metal

2) Key for main shaft/impeller

3) Pump Shaft

4) Ball/roller bearing complete

5) Impeller

6) Terminal box for pump set

TREATED WATER TRANSFER PUMP SET :- M&L for opening pump set split case centrifugal of capacity 7.5 hp Kirloskar make from motor coupling after isolating the electric and earth lead connections opening the pump set for repair/overhauling & proper alignment of shaft etc including replacing the items with new items given vide item 33 below, reassemblying the pumpset greasing connecting, testing and commissioning complete including necessary Lath works all as specified at 250 KLD STP at AF Vayusena Nagar Note :- Major Spares Parts will be measured & paid seperatly.

Spare parts for treated water transfer pump set as follows:- 1) Pump shaft sleeve /Bush made out of gun metal

2) Key for main shaft/impeller

3) Check nut for pump set shaft

4) Motor pump coupling complete with nut, bolts etc

5) Pump Shaft

6) Ball/roller bearing complete

7) Impeller

8) Terminal box for pump set

Filter feed Pump (horizantal centrifugal mono block type:-

M&L for opening pump set monoblock type of capacity 5.0 hp @ 38 mtr head 4.32 KW 2900 rpm Kirloskar make coupling after isolating the electric and pipe connections opening the pump set for repair/overhauling & proper alignment of shaft etc including replacing the items with new items given vide item No 35 below, reassemblying the pumpset greasing connecting, testing and commissioning complete including necessary Lath works all as specified at 450 KLD STP at AF Vayusena Nagar Note :- Major Spares Parts will be measured & paid seperatly.

Spare parts for feed pump under:- 1) Pump Bearing

2) Pump Shaft Sleev, Gland Packng & Oil Seal

3) pump Shaft

4) Impeller

Air Blowers For STPS

M&L for opening air blower set twin lobe type of capacity 270 m3/hr with head of 0.65 mmwc make USHA with blower & motor 7.5 H P coupling after isolating the electric and air pipe connections opening the air compressor set for repair/overhauling & servicing of compressin , proper alignment of shaft etc including replacing the items with new items given in item 37 below , reassemblying the pumpset greasing connecting, testing and commissioning complete including necessary Lath works all as specified at 450 KLD STP at AF Vayusena Nagar Note :- Major Spares Parts will be measured & paid seperatly

Spare parts for Air blower follows:- 1) Bearing of suitable size 270 m3/hr with head of 0.65 mmwc of air blower compresser make usha

2) V Belt of suitable size

3) Pulley of size Air blower cap 270 m3/hr

4) Blower Oil Seal & Packing

5)Blower Sucton Filter suitable for air blower cap 270 m3/hr

6) Blower Oil No. 90 Servo/Shell

Taking down electric motor 7.5 HP 1450 rpm coupled to compressor/ air blower after disconnecting the electrical connection, and earth connections from its foundation and transportation to work shop , replacing ball bearing both side of motor , greasing of bearing up to free rotation of shaft of motor complete, greasing on reassemblying the motor to reinstallation on foundation, reconnecting back the cable and earth connections etc complete in all respect and starting the pump all as directed.

M & L for Rewinding of pump motor 415 Volt 3 phase after disconnecting electric cable and eath lead, suction and delivery pipes, shifting to work shop, dismantling the motor assembly and removing the burnt out copper winding of stator and cleaning the stator slots and core assembly, rewinding to stator with suitable gauge super enamelled copper wire with insulating papers and insulation cloths, varnishing the winding and baking heating for achieving the required insulation resistance, re-assembling the motor and testing complete, incl transporting back to site and fixing motor to its original place, reconnecting electric cable and earth leads etc testing and commissioning complete in all respect all as specified and as directed by Engr-in-charge for the following capacity: 1) 3 H P-

M&L for opening pump set roto pump type of capacity 2hp , 368 rpm make Roto pump coupling after isolating the electric and pipe connections opening the pump set for repair/overhauling & proper alignment of shaft etc including replacing the items oil seal , rubber stator , bearings etc with new reassemblying the pumpset greasing connecting, testing and commissioning complete including necessary Lath works all as specified at 450 KLD STP at AF Vayusena Nagar Note :- The cost shall be included Rubber stator for existing size and make of pump .

Taking out unserviceable butter fly valve of size 100 mm bore and supply and fix new butter fly valve wafer type in CI Body with integrally moulded liner of nitrile or EPDM stainless steel Disc & stem, Liver operated as per IS 13095 in PN 1.0 in including jointing material such as rubber gasket,bolts,nuts,etc direct integrally all as specified and as directed by Eng-in-Charge Make: Kirloskar/ISI MARK or kARTAR ,

Taking out unserviceable butter fly valve of size 80 mm bore and supply and fix new butter fly valve wafer type in CI Body with integrally moulded liner of nitrile or EPDM stainless steel Disc & stem, Liver operated as per IS 13095 in PN 1.0 in including jointing material such as rubber gasket,bolts,nuts,etc direct integrally all as specified and as directed by Eng-in-Charge

Taking out unserviceable butter fly valve of size 63 mm bore and supply and fix new butter fly valve wafer type in CI Body with integrally moulded liner of nitrile or EPDM stainless steel Disc & stem, Liver operated as per IS 13095 in PN 1.0 in including jointing material such as rubber gasket,bolts,nuts,etc direct integrally all as specified and as directed by Eng-in-Charge Make: Kirloskar/ISI MARK or kARTAR ,

Taking out unserviceable butter fly valve of size 50 mm bore and supply and fix new butter fly valve wafer type in CI Body with integrally moulded liner of nitrile or EPDM stainless steel Disc & stem, Liver operated as per IS 13095 in PN 1.0 in including jointing material such as rubber gasket,bolts,nuts,etc direct integrally all as specified and as directed by Eng-in-Charge

M&L for opening Suction Sweeper having discharge of 2 LPS of 20 Mtr. head complete with suction head, brush, flexible hose pipe & maninal pulling rope, suction pipe with inlet valve, nozzles including electrical connections. isolating the electric and earth lead connections opening the suction sweeper set for repair/overhauling & proper alignment etc including replacing the items with new items given vide item below, reassemblying the suction sweeper greasing connecting, testing and commissioning complete including necessary works all as specified at Swimming pool

Supply only spare parts for pump set for fixing 1) Pump Bearing

2) Pump Shaft Sleev, Gland Packng & Oil Seal

3) shaft

Supply only flexible pipe 1/2 inchs dia for priming to pump

S&F in repair stainless steel bourdon type pressure gauge dial type 0 -25 Kg/cm2 range with a stainless steel body complete including all necessary GI pipe connection fittings / cutting / jointing all as specified and directed by Engr In charge. Make: Guru/Feibeg/omega

Taking out media from pressure filter of swimming pool of capacity 15000 gallon per hours, cleaning chambers and removing exsisting damaged strainer and refilling the media after seperating as per size including testing for leakage complete all as specified and as directed. Note :- i) Additional media required and new strainer/laterals will be measured and paid seperately as supply only. ii) Cleaning to be done by using chemical as per OEM direction only.

Taking out media from pressure filter of STPs of different capacity cleaning chambers and refilling the media as per size including testing for leakage complete all as specified and as directed. Note :- i) Additional media required will be measured and paid seperately as supply only. ii) Cleaning to be done by using chemical as per OEM direction only.

Supply only fix filter media of good quality 16/32" Mesh size 40-60mm

All as per item No 37 above but 1/8" Mesh size 30-40 mm

All as per item No 37 above but 1/4" Mesh size 15-25 mm

All as per item No 37 above but 1/2" Mesh size 5-8 mm

Supply only filter media fine sand.

Taking down U/s & Supply and installation , testing , commissioning of hydrochloride solution dosing pump capable for 0-20 lph, 0.37 kw for maintaining free chlorine @7.0 ppm for desinfection complete with suction and discharge pipe , self priming foot valve , adapter including all accessories such as electrical/ control connection complete

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