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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹7.5 CrAdmitted-Finance | ₹7.5 Cr | L1 | Admitted-Finance |
| 2 | L2₹9.2 CrAdmitted-Finance 21 PASCHIM VIHAR EXTENSION NEW DELHI 110063 | WEST | DELHI | 110063 | ₹9.2 Cr | L2 | Admitted-Finance |
| 3 | Rejected-Technical NOT SPECIFIED | - | - | Rejected-Technical Being not fulfilling criteria as per NIT |
| Sl No | Description | Qty | Unit | M/s JAIMAA ASSOCIATES L1 | M/s R. K. Bhambri L2 |
|---|---|---|---|---|---|
| 1.00 | SCHEDULE 'A' PART- I
Construction of Sewage Treatment Plant (STP) based on attached growth concept (with air diffuser membrane system) MBBR with 2 reactors in series with sewage handling capacity of 300 M3/day (300 KLD) including HT/LT panel room, plant room, stand by Generator room, Rest room, Toilet. The raw sewage comprises of effluent from entire residential and official campus for which a common STP has to be designed. The collection sump with bar screen shall be a part of the STP. The STP shall be designed as water retaining structures in RCC with RCC top structure and M.S. epoxy coated, non-skid type, removable manholes covers including piping, valves, necessary chemical dosing as required by the manufacturer’s design. All the equipments, pipings, pumps, air blowers and electricals are to be housed in a plant room underground/overground including MS puddle flange/insert need to be hot dipped galvanized, inlet, outlet, overflow, vents, MS covers, drain channel with MS gratings etc.
(a) The Inlet sewage will generally have following characteristics:
PH --- 6.0-8.5
BOD --- 200 -300 mg/ L
COD --- 350-450 mg/ L
TSS --- 250-300 mg/ L
Oil & Grease --- 20-30 mg/L (after main O&G Trap)
E coli --- 10^5 - 10^6 MPN/100ml | 1 | Each Job | 2,71,00,000 ₹2.7 Cr | 3,10,00,000 ₹3.1 Cr |
| 1.01Item No. 1.00 Contd... Note: However the plant should be able to perform at lower range of above parameter. Desired Sewage discharge standard after Tertiary treatment are as below: PH --- 6.0-8.3 TDS --- 2100 Mg/L Turbudity ---- less than 2 NTU TSS --- Less than 10 Mg/L Temperature --- Ambient Oil & Grease ---10 Mg/L Res Chlorine --- more than 1 Mg/L Total Kjeldhal Nitrogen --- 10 Mg/L BOD --- Less than 10 Mg/L COD --- As arising Dissolved Phosphorous --- 2 Mg/L Nitrate Nitrogen as N --- 10 Mg/L Faecal Coliform ---- Absent Helminthic Eggs --- As arising Colour ---- Colourless Odour ---- No foul odour Helminth Egg ----- <= 1 egg/L Sulphates --- As arising Chlorides --- As arising Acidity --- As arising CIVIL WORKS The STP shall consist of following units but not limited to these units as may be required by the manufacturer’s design : | |||||
| 1.02Item No. 1.00 Contd... (i) Bar Screen cum Grit chamber for the incoming sewerage from building SS frame, manually cleaned SS bar screen, bar screen having provision for lifting,etc. - 01 set (ii) Oil & Grease Trap for kitchen waste to remove O&G with baffles need to be provided including MS manhole cover for total effluent of 300 KLD. - 01 set (iii) Main Equalisation Tank for collection of total effluent including effluent waste, housing the pumps. Provision for aeration shall be kept to avoid any smell problems. - 02 No (iv) Moving bed bioreactors with PVC media including air diffusers at the bottom, sewage distribution header & baffle wall towards the outlet of the reactor. - 02 Nos (v) Settling Tank suitable for 300 cum/Day fitted with PVC plates or tube deck media in series at 60 deg. angle increasing the settling area and removal of the particles effectively in a smaller plan area. - 01 Nos (vi) Chlorine contact cum filter feed tank for chlorine mixing and desired minimum volume. 01 No (vii) Sludge holding tank of suitable size - 01 No (viii) Treated water tank of suitable size - 01 No (ix) UF/MF water tank ( flushing/irrigation) of suitable size - 01 No (x) Pit Sump tank of suitable size - 01 No ELECTRO-MECHANICAL EQUIPMENTS (a) BAR SCREENS : Providing and fixing 2 Nos SS Bar Screens in the Screen Chamber of the Sewage Treatment Plant - 01 set Size; 750 mm x 750 mm ( Approx.) Mesh Size: 8 mm & 10 mm (b) PUDDLE FLANGES & INSERTS : Supplying, Installation Testing and Fixing of MS Puddle Flange/ Inserts plates need to be hot dipped galvanized shall be in the scope of the sewerage treatment contractor. 50 mm - 150 mm - 01 set | |||||
| 1.03Item No. 1.00 Contd... (c) SEWAGE TRANSFER PUMPS (Equalization Tank) - Providing and fixing non-clog, open impeller type fully submersible pumps in the existing Collection Pit. The pump shall be complete in CI construction with cutter arrangment including lifting arrangement for the pumps including piping, valves on the discharge of pumps, level controllers, probes, cable, etc. including connection to STP. Sewage transfer pump (2 Nos - 1 working + 1 Standby) Flow Rate (each) = 15 m3 / hr each Head = 10-12 Mtr Solid Handling = 15-20 MM (One No additional pump with flow rate 45 m3/hr at 10-12 m head to be provided for for peak flow.) (d) DRAIN PIT SUMP PUMPS : Providing and fixing non-clog, open impeller type fully submersible pumps in the sump. The pump shall be complete in CI construction with cutter arrangment including lifting arrangement for the pumps including piping, valves on the discharge of pumps, level controllers, probes, cable, etc. including connection to STP. Drain transfer pump (2 Nos - 1 working + 1 Standby) Flow Rate (each) = 10 m3 / hr each Head = 10-12 Mtr Solid Handling = 15-25 MM (e) AIR DISPERSION SYSTEM : Twin Rotatory Air Blower, Head - 5 mtr, Capacity 300 m3 (1W + 1S) @ 0.55Kg/cm2 with Motor driven through "V" belt or directly coupled through flexible coupling to a TEFC motor of suitable HP Suitable for 415 + 10% volts, 3 phase, 50 cycles A/C. - 02 Nos | |||||
| 1.04Item No. 1.00 Contd... (f) Provision of Coarse Bubble Diffuser non clog type air dispersion system capable of handling desired cfm of air. Air dispersion system shall be provided for raw sewage equilization tank & sludge holding tank - 16 Nos (g) Provision of Fine Bubble Diffuser non clog type air dispersion system capable of handling desired cfm of air. Air dispersion system shall be provided for the MBBR Reactors - 24 Nos (h) Filter Feed Pumps: Providing and fixing Horizontal centrifugal pumping set for filter feed pumps and discharging into the treated water tank. The pumps shall have CI casing, Bronze impeller - EN 8 shaft shaft with mechanical rotary shaft seal connected by a flexible tier type coupling to a TEFC induction motor mounted on a common channel base-plate with coupling guard,150 mm dia pressure gauge, GM isolation cock, suitable vibration eliminator, pads of approved design. Motor to be suitable for 400/440 V, 3 Phase, 50 cycles AC power supply. Including all necessary piping, valves and other accessories from STP to filteration units and treated water tanks. Filter feed pumps (2 Nos - 1 working + 1 Standby) : Flow Rate (each) = 20 Cum/hr. each Head = 30 Mtrs (j) Sludge Transfer Pumps For Suitable MBBR System : Providing and fixing horizontal, centrifugal sludge lifting pump to transfer sludge from instantaneous sludge storage tank to sludge holding tank.. The pumps shall have CI casing, impeller - shaft with mechanical rotary shaft seal connected by a flexible tier type coupling to a TEFC induction motor mounted on a common channel base-plate with coupling guard,150 mm dia pressure gauge, GM isolation cock, suitable vibration eliminator, pads of approved design. Motor to be suitable for 400/440 V, 3 Phase, 50 cycles AC power supply. Including all necessary piping, valves and other accessories including piping from pump to outside of suitable size 50 mtr. (approx.) length of suitable size to unload the slugde into a tanker as instructed by site-in-charge complete in all respect. | |||||
| 1.05Item No. 1.00 Contd... Sludge Recirculation Pump (2 Nos - 1 working + 1 Standby) Flow Rate (each) = 30 Cum/hr. each Head :10-15 mtrs. (for MBBR System) (k) Multi Grade Sand filter: (Suitable for 300 m3/Day) : Providing, fixing, testing & commissioning of vertical Pressure Sand Filter fabricated from MS sheet with epoxy painted as per manufacturer’s specifications with MS frontal piping including valves to provide service, backwash and rinsing operations. Complete with initial charge of filter media including anthracite & bio glassic media. - 01 set Shell Thickness - 8 mm Dish end - 10 mm Filtration Rate -- 18 m3/hr./m2 Test pressure -- 5.5 Kg/Cm2 Capacity 20000-30000 LPH (l) Activated Carbon Filter: (Suitable for 300 m3/Day) : Providing and fixing vertical MS make activated carbon filter with rubber lining of (Iodine value not less than 1000) as filter media. The shell shall be complete with initial charge of filter media MS frontal piping, complete including valve for service, rinse & backwash alongwith other accessories. - 01 set Shell Thickness - 8 mm Dish end - 10 mm Filtration Rate - 15m3/hr/m2 Test Pressure - 5.5 kg/cm2 Capacity -20000-30000 LPH (m) FLOW METER : Supply, installation, testing and commissioning of microprocessor based Electro Magnetic Flow Meter for total plant capacity of 300 KLD with pulsed DC excitation having automatic 'Zero' correction with Bi directional flow measurement, compact instrument version with measuring sensor (Primary) and Amplifier integrated in one mechanical unit. - 02 Nos | |||||
| 1.06Item No. 1.00 Contd... (n) PH METER : Providing, installing, testing and commissioning of online digital type pH meter. - 01 No (o) TURBIDITY METER : Providing and fixing turbidity meter. - 01 No (p) MICRO FILTRATION SYSTEM : Supplying, installing, testing and commissioning of MF System piping and Valves with all the required accessories, complete in all respects. - 01 set MF Module -Variable Pore Micro Filtration ( 5 micron) filter in SS hosing, Fiber MOC-PE/PP/Nylon, Pneumatic Valve, PLC Electrical Panel and all other accessories making the system complete. Providing, installation, testing & commissioning of Micro Filtration System (MF) of capacity 20 m3/hr. The system should be complete (with Feed Pump 20m3/hr ,MOC: CI (1W+1SB), Back Wash Pump ,40m³/h,Head : - 20-25 m(1W+1SB), Designed by the supplier. complete instrumentation for automation and monitoring Rotameter, pressure guage, interconnecting pipe, vales/solenoid valve, PLC base eleiberctrical panel with cabling all complete with all accessories. Flow rate : 20 cum/hr Output Oprating Pressure- 2-2.5kg/cm2 Backwash method- Air and Water Membrane Type :- Out to in process (q) SLUDGE HANDLING SYSTEM : Supplying, installing, testing and commissioning of filter press with hydraulic arrangement and all accessories as under for sludge handling system for STP of capacity 300 KLD. - 01 set Structure: Cast Iron Size of Plate: 760 mm x 760 mm, No. of plates : 28 Nozzles : P.P. Filter Element (MOC): P.P. Filter Element : Plate & Frame , Drainage surface: P.P. - Piped Delivery : Open, Operating Pressure : 3 bar (max.) , Working temperature : Ambient , Filter Media: P.P./Polyester Nos. 1 | |||||
| 1.07Item No. 1.00 Contd... (r) SCREW PUMP : Supplying, installing, testing and commissioning of Screw feed pump to feed the Filter Press. Sludeg Feed Pump (02 Nos -1 working + 1 standby) Capacity : 2.5 m3/hr each Head : 40-50 mtrs. (s) All interconnecting pipelines, fittings and isolation control valves for making the system complete. - 01 lot (t) Hypo Dosing Pumps having capacity of 0-6 LPH Metering Type with one dosing Tanks of capacity 500 Lits. -02 Nos (1 W + 1S) (u) Supply, installation, testing & commissioning of Random Media for attached growth process (MBBR Technology) MOC = PVC, Surface Area = 400 sq.mtr / cum.mtr. - 27Cum (v) Supply, installation, testing and commissioning of PVC tube deck settling media to be installed in secondary settling tank . - 12 Cum Note :- (i) Consumables like bio culture for MBBR and Chlorine (Calcium Hypochrorite GP) as required for regular maintenance of plant is deemed to be included in quoted rates for a period of two years and no extra amount will be entertained on this account. List of consumbles shall be recorded and submitted during the claim of RAR. (ii) All test parameter for treated water shall be tested on quaterly basis from any National Test House /IIT/NIT/Zonal Lab/Command Testing Lab/NABL Lab/Govt approved Lab to confirm that parameters of treated sewage water are within specified limits (Ref E-in-C's Branch Sub Dte of Utility (E4) letter No. 86435/Misc/E4(U3) dt 19 May 2023) and the test reports shall be submitted by the contractor till defect liability period. | |||||
| 1.08Item No. 1.00 Contd... ELECTRICAL WORKS (a)Supply, installation, testing and commissioning of electrical panel, modular type, front accessible only, free floor standing confirming to Minimum IP:43 degree of protection. The panel sheet structure shall undergo seven tank pre-treatment process before painting. The sheet steel shall be all of 14 SWG/2mm thick CRCA sheet. All the openable compartments of the panel shall be completely shrouded and provided with padlocking arrangement on all compartments including bus bar and cable alley chambers. The panel height shall not exceed 2200 mm and the maximum operating height for any switchgear shall not be more than 1800mm. The panel shall be provided with minimum 75mm base channel frame fabricated from ISMC sections. All bus bar links in the panel shall be solid bus bars with coloured PVC shrinkable sleeves, no wires will be acceptable. Continuos earth bus shall run alround the panel with earthing studs provided at minimum 2 places. The control wiring shall be carried out with minimum 2.5 sq.mm copper wires and adeq for remote operation of the starters. - 01 set All MCCB's shall be provided with rotary handles and minimum fault rating of MCCB shall be as per drawing. Proper sized cable termination gland plates shall be provided on cable alleys and knockouts for same shall be provided during fabrication stage itself. The panel shall be provided with a thermostatically controlled heating arrangement (200W) to take care of high humidity conditions. One 5A socket service outlet (single phase) shall be provided in one of the compartments as service outlet in the panel. Panel shall be so designed at to have minimum 20% spare feeders/space. Panel shall undergo epoxy powder coated paint, colour as per IS:5 requirements. All cable terminations shall be from top. The complete panel shall be fuse less type, for control circuits 2A/6A MCB's to be used. | |||||
| 1.09Item No. 1.00 Contd... All bus bars shall be of aluminium, electrolytic grade only. Maximum design density shall not exceed 1Amps./Sqmm. All bus bars shall be insulated with coloured heat shrinkable PVC sleeved. All bus bar supports shall be non hygroscopic DMC/ SML supports. The panel shall be manufactured in conformance to CPRI. The minimum clearances between bus bars shall be as follows: Phase to phase - minimum 20 mm Phase to neutral - minimum 15 mm Incoming One (1) Nos. 63 A, TPN MCCB (35 KA) with over current, over/under voltage & earth fault protection. One (1) No. 0-63A, Digital ammeter with ammeter selector switch & required CTs. One (1) No., 0-500 V, Digital voltmeter with voltmeter selector switch & required set of PTs. One (1) Set Phase Indication Lights with 2A SP MCB. One (1) Set 0-63A Digital KWH Meter. Bus Bars: Set of 04 Nos Aluminium bus bar of 150 Amp, 415V having colour sleeves as RYBN Outgoings: One(1) No. 10A TPN MCB Motor Duty. One (1) No. 16A TPN MCB Motor Duty. Two (2) Nos. Auto/Manual, Working /Standby DOL starter of 3.0 KW rating with SPP, TP MCB, O/L relays, Digital ammeter with direct type/ CT type as per req, ON/OFF/OVER load indication lamps with 6 Am SP MCB provision of space for wlc. Collection Pit Submersible Pump. | |||||
Tender Value
₹6.9 Cr
EMD Value
₹6.7 L
Closing Date
1 Oct 2025, 6:00 pmClosed
CHIEF ENGINEER AF SHILLONG ZONE
HQ CHIEF ENGINEER AF SHILLONG ZONE MILITARY ENGINEER SERVICES ELEPHANT FALLS CAMP PO NONGLYER SHILLONG 793009
PROVN OF CENTRAL SEWAGE TREATMENT PLANT AT AF STN SALUA
2024_MES_649471_5
88853/KKD/E8
Open Tender
Civil Works
SALUA
AS PER TENDER DOCUMENTS
8 documents required · 8 mandatory
₹3,000
GE (P) AF KALAIKUNDA
₹6.7 L
Yes
5 Feb 2026
27 Aug 2025
3 Oct 2025
27 Aug 2025
1 Oct 2025
17 Sept 2025
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