Tender For Providing Sewerage Scheme To Una Town In Tehsil & Distt Una (H.P.) (Sh:- Supply, Installation Commissioning Of Aspirator Based Aerators 10 H.P. At 2.53 Mld Cap. Stp At R Ur Una Hp Zone A & B.)
Tender Value
11.26 Lakhs
Estimated cost
Bid Submission
16 Jul 2026
4 days left
EMD
22539
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Una → Himachal Pradesh
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Providing Sewerage Scheme To Una Town In Tehsil & Distt Una (H.P.) (Sh:- Supply, Installation Commissioning Of Aspirator Based Aerators 10 H.P. At 2.53 Mld Cap. Stp At R Ur Una Hp Zone A & B.)
BOQ
| Sl. No. | Item Description |
| 1 | The unit supplied must be able to operate only in mixing mode or in aeration mode and also must have capability to work in simultaneous aeration and mixing mode. Aspirator based aerators should consist of an electric motor and regenerative blower/valve (if required) located above the water surface. The motor should be connected to the solid shaft beneath the hollow shaft with protective housing positioned at 45 angles downward into the water. Aerators with submersible motors are not acceptable. No gear box mechanism should be provided. The solid shaft should drive the mixing propeller and diffuser mechanism beneath the water surface. Diffuser should disperse the air as fine bubbles (2.0-2.5 mm diameter) into the stream of displaced water beneath the water surface. Size of bubbles should be as per EPA requirement. Oxygen transfer efficiency should not be less than 1.5 kg. O2/ KWH with Superior mixing capability. 1 UNIT. General : Codes and standards : he applicable standards established by the Bureau of Indian Standards or equivalent International Standards shall govern the materials and workmanship employed in the manufacture of all items. The bidder shall submit the details of standards used for workmanship and material of aspirators / electrical components /cables etc. |
| 2 | General : |
| 3 | Codes and standards : |
| 4 | The applicable standards established by the Bureau of Indian Standards or equivalent International Standards shall govern the materials and workmanship employed in the manufacture of all items. The bidder shall submit the details of standards used for workmanship and material of aspirators / electrical components /cables etc. |
| 5 | General Basis for Design :- |
| 6 | Basis for design |
| 7 | 1) Flow 2.53 MLD |
| 8 | 2) Influent BOD 270 Mg./L |
| 9 | 3) Influent suspended solids 280 Mg./L |
| 10 | 4) O2 / BOD 1.2 Kg. O2 / Kg. BOD |
| 11 | 5) Residue O2 1. 2 Mg./L |
| 12 | 6) Effluent BOD 15 Mg./L |
| 13 | 9) Oxygen transfer efficiency 1.5 Kg. O2/KWH or above |
| 14 | 7) Oxygen transfer efficiency 1.5 Kg. O2/KWH or above. |
| 15 | Aspirator based Aerators components :- |
| 16 | Aerator Drive Motor |
| 17 | The motor shall deliver required 15 horsepower at low speed with no gear box mechanism and shall be rated for 415 volts, 3 phase, 50Hz, with IP 65 protection or more. The motor shall be of energy efficient type and efficiency of motor should be more than 85%. |
| 18 | Mounting Flange |
| 19 | The mounting flange shall be of stainless steel 304 grade or higher grade and shall permit easy removal of aerator mechanism leaving the motor in place. |
| 20 | Shaft / Universal joint coupling |
| 21 | The shaft shall be of stainless steel 304 grade or higher grade fully welded to a forged carbon steel universal joint coupling. The shaft must be hollow to promote maximum air flow and oxygen transfer units. Aerators with solid shafts are not acceptable. The shaft shall be dynamically balanced. |
| 22 | Housing |
| 23 | The housing shall be of stainless steel 304 grade or higher grade. |
| 24 | F) Bearings :- |
| 25 | The aerators shall be supplied with a field replaceable water lubricated lower support bearings. The bearing shall be constructed of an appropriate material for application inside a fiber packing. |
| 26 | Sleeve |
| 27 | The replaceable hardened non metallic sleeve shall be the only moving part in contact with the electrometric bearing and shall spin with the shaft as one unit. |
| 28 | H) Propellers :- Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Jul 10, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedJul 16, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 4 daysJul 16, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 4 daysTender Documents
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