MANNING AND OPERATION OF STP AT NAUSHAKTI VIHAR AND MISC WORKS UNDER AGE E/M NO.I OF GE (UTILITY-II) VISAKHAPATNAM

Amount

Manning and operation of sewage treatment plant of capacity 750m3/ day (750KLD) of make M/s Hydrotech Paryavaran Ltd at Naushakti Vihar including operation maintenance of Submersible / centrifugal type sewage pump sets including related LT panels and its connected accessories of sewage pump houses at Naushakti Vihar for operation and using chemicals for STP as required round the clock in 3 shifts per day of 08 hour each by employing one well experienced (Skilled) operator in the trade complete all as specified and as directed by Engr-in-Charge.

Manpower :- One semi skilled operator per shift of 08 hrs including sundays and holidays all as directed by Engineer-in-Charge. Shift timings:- I st shift - 0600 Hrs to 1400 Hrs II nd shift - 1400 Hrs to 2200 Hrs III rd shift - 2200 Hrs to 0600 Hrs

All as per SL item No.3 above but one hepler (Un-Skilled) in general shift of 08 Hours.

Manpower :- One Un-skilled helper in general shift of 08 hrs including sundays and holidays all as directed by Engineer-in-Charge. Shift timings:- I st shift - 0900 Hrs to 1700 Hrs

Mannning and operation of Pump house, DG set and Diesel driven Fire fighting pump set and electrical driven fire fighting pump set including LT panel, pressure vessel and accessories round the clock in three shifts a day including holidays and sundays at DSRV complete all as specified and directed. Manpower : One skilled operator and one Semi-Skilled helper per shift of 8 hours in three shifts per day and timings as under. Ist shift - 0600 Hrs to 1400 Hrs IInd shift - 1400 Hrs to 2200 Hrs IIIrd shift - 2200 Hrs to 0600 Hrs

Notes for SI item Nos 1to 3:- (a) Keeping the installations area neat and clean (b) Keeping daily record of DG Sets/pumps running status all as specified and directed in a log sheet. (c) Rectifying minor defects such as arresting of pipeline leakage, Greasing, oilings of pumps, Gland packing, fuse wire, etc whenever required. (d) Carrying out 'A' check of DG set daily as per Manufacturer's manual. (e) Replacing of distilled water/ battery electrolyte and charging of batteries of DG sets. (g) The operator shall be alert to run the DG Set within 5 minutes of supply failure.

(h) Diesel shall be issued by Department as and when required. Contractor shall have to intimate minimum 03 days in advance for issue of diesel. (j) Cleaning of Bar screen cum oil & grease separation chamber all as directed by Engr-in charge. (k) Cleaning of sludge drying beds all as directed. (l) Operation of arboricuture pumpsets including control for supplying treated water as and when required. (m) During the operation of the plant, the MLSS (Mixed liquid suspended solids) shall be maintained not less than 4000 mg/ltr in Eco-R tank.

Notes for SI item No 1 to 3:- (a) Before commencement of work the contractor shall submit the list of manpower to be employed as per requiste qualifications specified in particular specification for approval of GE duly recomended by Engineer-in- charge. (b) The installation/plant room should be maintained neat and clean.

Material and labour for cleaning of RCC equilisation tank of approx size 10 m x 10.0 m x 2.5 m at Naushakti vihar STP 750 KLD capacity by bailing out the accumulated raw water at the bottom and removing the complete silt/sludge/dirt from the tank and dispositing away exc 1.5 KM and n.exc 5.0 KM from site as directed, scrapping the tank inner walls and bottom with wire brush and cleaning the tank inner walls and bottom with the bleaching powder slurry completely including applying one coat of white wash to entire tank externally complete all as directed by Engineer-in-Charge. Note: (a) The rate deemed to be inclusive of T&P and transportation required for disposal of sludge/dirt away from the site. (b) The cleaning of tank shall be performed every month as per manufacturers recommendations.

All as per SL item No.04 above but RCC treated water tank of approx size 10x10x2.5 metre at Naushakti vihar STP 750 KLD capacity complete all as directed by Engineer-in-Charge.

Material and labour for cleaning of submersible pump at Naushakti vihar STP 750 KLD capacity size (13.2 X 6.6 x 4.2) by bailing out the sewage pump house /STP including dewatering the sewage sump to bottom level by using disel driven mobile pump set type /sumersible type , lifting submersible pump with delivery main from bracket at bottom of sewage sump of depth 3 mtr to 5 mtr by using pully & chain block up to floor level, removing all debris from pump casing, removing, defective D clamps etc inspecting impeller, bearing by passing under current relay, testing the pump, lowering the pump with delivery main through guide wire rope by chain block, setting the pump to bottom bracket, testing the pump complete all as directed.

Note :- (a) The job to be completed with in 02 hours from choking of pump. (b) The quoted rate is deemed to be include the tool & plants requied for lifting inspection, lowering etc. (c) All safety measures including lighting, safety shoes, safety glows to be provided by contractor.

Material and labour for chlorination of treated sewage water with Sodium hypochiorite solution (Grade-I) as per IS 11673-1992 for treatment of sewage water at STP for maintining residual chlorine all as per manufacturer's recommendations/ instructions. Make: Sree Rayalseema solution or its equivalent as approved by GE.

M&L for taking out existing pumpset / airblower of 15 to 20 HP capacity for servicing by disconnecting motor and blower/ pump set from pipe line and removing of all parts like bearing, bushes, impeller, shaft etc., cleaning all surfaces and scales/ sludge/ dirt/ formed inside/out side pumpset/ blower etc, lubricating/ greasing at proper places and re-fixing in position with all serviceable parts including painting with one coat of anti corrosive paint over red oxide primer and writing MES /SM No and testing and commissioning complete all as directed by Engineer-in-charge. Note: spares shall be measured and paid separately under relavent items of BOQ.

All as per SL item No.08 above but 10 to 12.5 HP capacity

All as per SL item No.08 above but 5 to 7.5 HP capacity

Supply only ball bearings suitable for 15 to 20 HP capacity pumpsets/airblower

Supply only ball bearings suitable for 10 to 12.5 HP capacity pumpsets/airblower

Supply only ball bearings suitable for 5 to 7.5 HP capacity pumpsets/airblower

S&F in repairs for Air diffusers of Size 6.6m x 5 mx 4.2 m SSI 's AFT -N3750 (91 X750)mm -E fine bubble EPDM membrane tube diffuser c/w saddles with distance between each other is 0.6m for reactor -1 & 2 complete all as directed by Engineer-in-charge. Make: SSI / EPA or equivalent

Supply and installation in repairs of UPVC piping 4inch size and 80Sch along with fitting for SSI’s AFT-N3750 diffuser with 4inch brass NRV and Vlaves for FMR reactor-1 Size 6.6m x 5 mx 4.2 m at Naushakthi Vihar STP 750KLD capacity for reactor 1 & 2 complete all as specified and directed by Engr -in- charge.

Material and Labour for replacement of MEDIA for the FMR reactor-1 & 2 of Size 6.6m x 5 mx 4.2 m at Naushakthi Vihar STP 750KLD capacity of supply as per specified and directed by Engr -in- charge. Material:Ploypropylene, Make Aqua or equivalent Note:- Replacement of FMR PP/ MBBR MEDIA(FAB) semi origin Polypropylene (black) HSN CODE -3901 Size ...Ø 22 X 16 MM (H) No. of Pcs in CUM........70,000 nos Weight Per Pcs............1.5 gms Pcs in Pack... ............. 10,000 nos

Replacement of Tube settler Tank Hexagonal Chevron Shape, Cross sxetional area 120mm x 44mm, Hydraulic Radius 1.5cum, thickness 1.1mm, material Construction of PVC or PP, color Black, Height 1000mm, Settiling area 11m2 complete all as specified and directed by Engr -in- charge. Make:Cool Deck/ MM aqua

Material and labour for choke clearing of submersible pump at Naushakti vihar STP 750 KLD capasity size Raw Sewage tank /Equalization Tank (10x10x2.5)by bailing out the accumulated raw water at bottom and removing slit/sludge/dirt from the tank and disposing away exc 1.5km and n exc 1.5km from site as directed. scrapping the tank inner walls , bootom with wire brush and cleaning inner walls and bottom withbleaching power slurry completely including applying one coat of white wash to entire tank externally complete all as directed by engineer in charge: Note: It is incliusive of T&P and Transportation required disposal of sludge /dirt away from site.

Note: 1.Required regarous labour whos has experaiance in sludge claning. 2. chemicals are included to reduce smell at time of cleaning. 3. Tank should be fully dried out for sun light one day

All as per SL item 18 above but for Sludge sump of size 3m x3mx3m

All as per SL item 18 above but for Fliter Feed Tank 10m x10m x2.5

All as per SL item 18 above but of FMR Reactor and Settling Tank of size 13.2 x6.6x4.2

M&L for acid cleaning, internal external Epoxy painting of Active carbon Filter complete all as specified and directed by Engr -in- charge.

Supply, installation, testing and comissioning of Electromagnetic Flow meter in repairs PTFE Teflon lining, SS316L Electrode, MS Painted Body Remote mount transmitter with integral FIT, Cable 10 meter, Display - 7 segment led, Flange - ANSI 150 IP Rating : IP65, Power Supplay 230V AC O/P - 4-20mA,Flow rate : 0 - 50m3/hrElectro mengatic flow meter to measure the flow flow rate 50cum hr Make: ABB/ Flow Tech / Torque / Equivalent.

Supply, fixing, testing and commissioning of existing 50 mm bore butterfly valves including cutting, welding etc, including taking down existing unserviceable complete and painting with two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed by Engr -in- charge.

All as per SL item No.24 hereinbefore but 100 mm dia

All as per SL item No.24 hereinbefore but 150 mm dia

All as per SL item No.24 hereinbefore but 200 mm dia

Surface dressing in soft/loose soil not exceeding 15 cm deep, cutting/ cleaning of branches, bushes / plants / grass obstructing the pipe line/ valve chambers / sumps / OHTs and path on either sides of water supply installations area including disposal the material up to a distance not execeding 50 m complete all as specified and directed by Engineer-in-Charge.

Supply only chemcal and MLSS and restoration FMR plant all as specified and directed by Engineer-in-Charge.

Supply and replacement of 20 mm dia high density polythene pipe (HDPE) of pressure rating 6 Kg/ Sqcm , laid in trenches etc, including making leak proof joints complete all as specified and directed by Engineer-in-Charge

All as per SL item No.30 above but of size 25 mm dia

All as per SL item No.30 above but of size 50 mm dia

All as per SL item No.30 above but of size 80 mm dia

M & L for carrying out chemical analysis (BOD/COD) test of treated sewer water of STP at Naushakti Vihar from Govt authorised laboratory all as per CPCB Norms complete all as directed by Engineer-in-charge. Note : The rate quoted is deemed to be inclusive of testing and collection of water samples in sealed PVC container at STPs.

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