Designing, providing, installation, testing and commissioning of Sewage Treatment Plant (STP) of capacity 200 m3 per day based on MBBR Technology at Hall of Residence no. 14

Part-A: Operation, Repairing & maintenance

Design, supply, installation, testing and commissioning of 200 KLD Sewage Treatment Plant (STP) based on MBBR technology as per the details mentioned below to treat the sewage water as per the design conditions. The STP shall consist of the following units and equipment. The volume of the tanks etc. is minimum and can be modified to suit the design parameters without any extra cost. All the RCC tanks of M25 grade should have minimum cement content @ 330 kg/cum and minimum reinforcement @ 130 kg/cum. All the tanks and water retaining structures to be waterproofed inside and outside with suitable durable material as decided by the Engineer- in-charge. Inlet Parameters: pH : 6.5-8.5 BOD : 250-300 mg/l COD : 200-550 mg/l TSS : 200-450 mg/l Oil and Grease : 50-140 mg/l Treated water parameters as per PCB norms: pH : 6.5-8.5 BOD : < 10 mg/l COD : < 30 mg/l TSS :<10 mg/l Total Nitrogen ≤ 10 mg/l Toal Toal Phosphorus ≤ 1 mg/l

Equalisation (EQ) TANK EXISTING AT SITE

The Sewage Treatment Plant with complete system shall consist of the followings:

Complete with excavation, PCC, Centering and shuttering, reinforcement, RCC work, Brick work, plastering from inside using water proofing compound, levelling and dressing of the site, disposal of excess soil and malba generated during construction/ SITC of Plant for all leads :

FILTER FEED TANK of CAPCITY 50 KL in civil with RCC M25 grade with depth not more than 3.00 m, Size as per design/site - 1 NO

All civil work like foundations for STP tank and pumps/ plant i/c required shade for motors/pumps placed outdoor as per design of OEM and approval of Engineer-in- Charge -1 NO

TREATED WATER TANK of CAPCITY 50 KL in civil with RCC M25 grade with depth not more than 3.00 m, Size as per design/ site -1 NO

Anoxic Tank in RCC (M25) construction, Size as per design, Approximate size: 2.0Mx1.4Mx 4.0M Depth – 01 No.- 01 NO

Panel/pump Room of approx. size 4.0x 5.00 x3.0 Meters with CC floor, Acrylic smooth emulsion paint, acrylic paint exterior grade, flush door, MS windows, Water proofing of roof with brick Koba and required electrical wiring, switches & sockets, lights & fan(s) with Complete testing and approval of engineer- in Charge-1 NO

Anoxic Mixer

Supplying, Installation, Testing and Commissioning of energy efficient 3 blades SS MOC submersible mixer for Anoxic tank, RPM of 80-100 with minimum 3 HP motor suitable for operation on 3 phase, 415 Volt, 50 Hz AC supply as required. - 1 JOB

Raw sewage handling pumps (1W+1S in Equalization Tank)

Supply, installation, testing and commissioning of continuous duty submersible centrifugal non-clogging pumps for sewage handling of 3 HP, 50 mm delivery size, flow 312 LPM @ 19 M Head, 415 volt, 3 phase, 25 mm solid handling along with all interconnecting pipelines, suitable size valves, suction and delivery header of an approved make of suitable capacity, bend and lifting chain arrangement for service & maintenance complete in the sewage collection tank complete etc. as reqd - 2 NOS

Air Blower with motors(1W+1S)

Supplying, Installation, Testing and Commissioning of twin type rotary air blowers capable of delivering 300 cum/hr of Air and 0.50 kg/cm2 pressure driven through “V” belt or directly coupled through flexible coupling to a TEFC motor of 7.50 HP/suitable capacity with accessories MS base plate, safety valves, suction filter, NRV, PRV, anti-vibration pad, V – belt, Belt guard, Drive and driven pulleys Suitable for 415 ± 10% volts, 3 phase, 50 Hz AC supply as required- 2 NOS

Air Diffuser

Supplying, Installation, Testing and Commissioning of bubble diffuser with Tubular Membrane set of EPDM/Silicon with anti-fungal treatment of size 63mm X 610 mm Long to provide clog free oxygen for Equalization tank, media tank, aeration and sludge holding tank for providing aeration minimum diffuser 30 nos. (size 63mm X750mm or more as per OEM requirement - 1 JOB

Piping/ valves and accessories

Providing and fixing all piping and isolation control valves, check valves, multiport valves for making the system complete UPVC Schedule 40 and MS pipe Class ‘C’ pipes including all necessary fittings like elbows, tees, flanges, tapers, nuts bolts, gaskets etc. and fixing the pipe on ceiling wall/ ceiling with suitable clamp/support frame ap per site requirement complete as required. The outlet from treated water transfer pump shall be connected to the available treated water grid up to a distance of 50 meters - 1 LOT

Chlorine/hypo dosing Pump

Supplying, installing, testing and commissioning of chlorine dosing system consisting of one HDPE tank of 100 liters capacity for storage of chlorine dosing solution with a positive displacement diaphragm dosing pump having variable flow rate of 0-6 lph - 2 NOS

MBBR Tanks

MBBR 1 & 2 MS tanks with 3mm FRP/epoxy anticorrosive paint with diffused aeration system and diffusers arrangement for aeration with MBBR media. Overall volume 50 m3 Total Height 2.5 (Meter). The MS Sheet thickness will not be less than 6 MM - 1 SET

MBBR Media

Supplying, Installation, Testing and Commissioning of MBBR media of PP/PVC self- supporting, cylindrical shaped structure with fins having specific gravity of 0.90- 0.95gm/cm3 for enhanced Dwelling space for bacterial growth installed in Aeration tank as required. SIZE 16 X 22 MM - 50 Cum approx -1 JOB

Tube Deck/ Secondary Tube Settling Media/ Lamella system

Supplying, Installation, Testing and Commissioning of Tube settling media complete with MS tank or lamella system complete with lamella plates and MS tank as per design and approval of Engineer-in- Charge. -1 JOB

Filter Feed pump – (1W+1S)

Supplying, installation, testing, commissioning of single/multistage Centrifugal type, mono block, self-priming pump having discharge rate of minimum 20 m³/hr at a head of 30 meters, with CI impeller of an approved make and complete with valves, suction and delivery headers capable of handling clear water complete with TEFC induction motor class B insulation, mounted on a common structural base plate with gun metal isolation cock and suitable anti vibration pads for pump foundation, motor of suitable/3 HP to match with the capacity of the Pressure Feed pump to work on 400/440 volts, 3 phase, 50 Hz AC supply with suitable rpm - 2 NOS

Treated Water Transfer pump – (1W+1S)

Supplying, installation, testing, commissioning of single/multistage Centrifugal type, mono block, self-priming pump having discharge rate of minimum 20 m³/hr at a head of 30 meters, with CI impeller of an approved make and complete with valves, suction and delivery headers capable of handling clear water complete with TEFC induction motor class B insulation, mounted on a common structural base plate with gun metal isolation cock and suitable anti vibration pads for pump foundation, motor of suitable/3 HP to match with the capacity of the Pressure Feed pump to work on 400/440 volts, 3 phase, 50 Hz AC supply with suitable rpm - 2 NOS.

Multigrade sand Filter

Supplying, installing, testing and commissioning of vertical type Multigrade sand Filter capable of filtering 20 cum/hour of water at prescribed filtration rate of 15 cum/sq.m/hr. The filter shall comprise of MSEP (Mild steel Epoxy paint) shell, suitable for test pressure of 6 kg/sq.cm. complete with required no’s of butterfly valves, connected frontal Mild steel heavy class piping, flanges, pedestal, access cover, bed plate with strainers/ lateral pipe distribution, pressure gauge, first charge of filter media as required. (Minimum Size 1000 MM X 1800 MM)-1 SET

ACTIVATED CARBON FILTER

Supplying, installing, testing and commissioning of vertical type Activated carbon filter capable of filtering 20 cum/hour of water at prescribed filtration rate of 15 cum/sq.m/hr. The filter shall comprise of MSEP (Mild steel Epoxy paint) shell, suitable for a test pressure of 6 kg/sq.cm., Complete with required no. of butterfly valves, connected frontal Mild steel heavy class piping, flanges, pedestal, access cover, bed plate with strainers/lateral pipe distribution, pressure gauge, first charge of filter media having activated carbon etc. as required. (Minimum Size 1000 MM X 1800 MM) - 1 SET

SLUDGE RECYCLE PUMP – (1w+1s)

Supplying, Installation, Testing and Commissioning of Centrifugal, mono block/screw sludge recycle pump to recycle sludge to Aeration Tank & excess sludge to sludge tank having discharge rate of minimum 6 m3/hrs. at a head of 10-12 meters suitable for operation on 3phase 415 Volt 50 Hz AC supply - 2 NOs

Hydraulic operated Filter press

Supplying, installing, testing and commissioning of Hydraulic operated Filter press with 3 HP Motor having 1440 RPM for sludge removal having specification as below: - Size: 18 x18, No. of plates: 17, MOC: PP+MS, Cake Holding Capacity: 120 Liters. Filtration Area: 6.20 M2, Operating Pressure Bar: 4.0-5.0 Tightening Mechanism : Hydraulic - 1 NO

INSTRUMENTATION

Supplying, Installation, Testing and Commissioning of following complete as required.

PRESSURE GAUGES

Supplying, Installation, Testing and Commissioning of Bourdon / Diaphragm type pressure gauges to Indicate the Pressure having range of 0 to 4 Kg/ cm2 for Pumps & 0 to 1.0 Kg/cm2 for Blowers etc as required- 1 JOB

LEVEL SWITCHES

Supplying, Installation, Testing and Commissioning of level switches to Indicate the low & High level inside the tanks as required- 1 JOB

ELECTRO MAGNETIC FLOW METER (1 For Sewage pump outlet & 1 for ACF outlet)

Supplying, installation testing and commissioning of mirco- processor based Electromagnetic Flow meter for 200 KLD plant capacity Suitable for 2-15 m3/hr with flow rate for sewage water with pulsed DC excitation having automatic Zero Correction with Bi-Directional flow measurement, compact instrument version with measuring sensor (primary) and Amplifire integrated in 1 Mechnical unit, IP 65 Protection measuring pipe material SS:304, electrode material SS:316 with 16 Character into 2 Lines LCD lphanumeric display for flow rate, totalze, diagnostic messege, flow alarms with high and low flow program, Indicator; enclosure- cast aluminum, weather proof; mounting- field(direct on sensor); supply power 230volt ac etc. complete as required. – 2 Nos.

CONTROL PANEL for 200 KLD STP

Design, Installation, testing and commissioning of the following integrated, cubicle type, dead front, extensible, sheet steel PLC based with touch screen & in built remote controlling operation control panel anchoring to the foundation. The panel shall be suitable for 500 volts, 50 cycles, 4 wire, supply, quoted price shall include, 25 mm thick rubber mats, wiring, cable tray, control wiring and copper earthing from control panel to various equipment like motor starters pump motors etc. The panel shall have separate compartments for bus bar and cable alleys. the following components and accessories shall be mounted within each control panel. -1 JOB

One No amps TP incoming MCCB complete with following:

Phase indicating lamps with toggle switches.

Indication lamps for ON/OFF/TRIP status of motors

Aluminium bus bar sleevs type, rated at 200 amps for three phase & netural.

Supplying and laying of XLPE insulated PVC sheathed copper conductor cables of suitable ratings for various pumps/motors in pipe/on wall/on cable tray as per site requirement including necessary terminations etc.as required. -1 Lot

PART 'B' Annual comprehensive maintenance & operation of sewage treatment plants (200 KLD capacity based on MBBR technology) along with sand & carbon filters which includes replacement/ topping of media of filters periodically, repairing & maintenenace of all pumps & motors, and pumping the recyled water for use at desired location i/c all spares, consumables and , replacement/ repairing of defective and damaged parts of the plant as required to run the plant round the clock to provide the desired quality of treated water from STP.

i) The Plants shall be operated round the clock. The manpower shall be deputed as per requirement for efficient working of the plant. The minimum wages revised by Govt. after part B of the contract comes into effect, shall be reimbursed on actual basis. No contractor's profit shall be payble on the arrear due to revised minium wages.

ii). The Plants shall be restored within 48 hrs. in case of minor breakdown and 48 hrs. to one week in case of major breakdown, failing which necessasry action shall be taken as per tender conditions.

iii). Only electricity shall be provided free of cost, all other consumables, all major & minor spares shall be inclusive in the rate to run the plants uniterrupted.

iv). A technical person from manufacturer shall visit the plants qaurterly in order to assess the performance of plant and shall submit its report with all technical inputs to the Engineer -In- Charge. The rate quoted shall be inclusive of all expanses of the visit.

For 1st year

For 2nd year

For 3rd Year

For 4th Year

For 5th Year

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