Procurement of Design, Supply and Installation of Rapid Sand Filters at SAM. Second construction stage

Request For Proposals


Edition 3:   Mar 19, 2017 (shown)
Edition 2:   Mar 18, 2017
Edition 1:   Mar 15, 2017

General Information

   Mar 19, 2017
   Apr 27, 2017
   World Bank
   International procurement

Contact information

   Mr. Kalandarov Saymurod
SUE “Dushanbevodokanal”, Project Administration Department
14-A Ayni Street, 4th floor, Room 4
   Click here

Goods, Works and Services

Water-treatment plant construction work   Liquid filtering or purifying machinery and apparatus   Dredging and pumping works for water treatment plant installations  

Original Text


Invitation for Bids


Republic of Tajikistan

Additional Financing for the Second Dushanbe Water Supply Project

Credit No.: 5709-TJ / Grant No.: D087-TJ


Contract Title: Procurement of Design, Supply andInstallation of Rapid Sand Filters at SAM. Second construction stage.

Reference No.: DWSP2AF/W-09



1.         The Republic ofTajikistan has received financing from the World Bank toward the cost of the Second Dushanbe Water Supply Project, and intends toapply part of the proceeds toward payments under the contract for Procurement ofDesign, Supply and Installation of Rapid Sand Filters at SAM.

2.         The StateUnitary Enterprise "Dushanbevodokanal" now invites sealed bids from eligible bidders for design, supply and installation of secondstage rapid sand filters at Samotechnaya water treatment plant (SAM). Overall investments for a new SAMfiltration plant in frame of this package include:




·    Demolition ofexisting buildings and structures;

·    Design, supply and installation;

·    Handing overof the plant and training of the SAM WTP staff.


Filtration plant


·    Preparationof foundation

·    New buildingof filtration plant;

·    New hydraulicinstallation;

·    Newfiltration media;

·    New drainagesystem;

·    New water andair backwashing system;

·    New flowmeasurement chamber equipped with an electromagneticflow meter on the filtration plant inlet pipe;

·    New flowmeasurement chamber equipped with an electromagneticflow meter on the filtration plant outlet pipe;

·    Fullautomation of the filtration process;

·    Arrangementsfor injection of sodium hypochlorite into the reservoir.




·    New inletpipeline DN = 1400 from the third basin of the Sedimentation Pond (SP) up to the building of the filtration plant;

·    New outletpipeline DN = 1200 and DN = 100 from the existing water collector DN = 1500 up to the existing pipelines "CHP" and"Zarafshon";

·    New bypasspipeline DN = 1200;

·    New backwashwater discharge pipeline DN = 1000 up to the existing discharge pipeline;

·    New pipelinefrom the building of sodium hypochlorite plant up to building of the second stage filtration plant, for injection of sodiumhypochlorite to the reservoir.

·    Set uparrangement for emergency chlorination with Sodium Hypochlorite, in case of using the bypasspipeline;


Other works


·    Restorationof the territory after the construction and landscaping;

·    Demolition ofthe existing building of electrical switchgears6kV and construction of a new building, including all additional equipment, cablesand materials;

·    Existingcontrol panels shall be dismantled and then installed in a new building;

·    Demolition ofthe existing transformer room and construction of a new one, including purchase and installation of a new  160 kWA transformer and all necessary supportive equipment, cables andmaterials;

·    Constructionof a new administrative building for the personnel and a lab of SAM WTP;

·    Restoring ofthe backwash water outlet junction (on Umar Khayam Str.);

·    Improvementof coagulation process at the Sedimentation Pond of SAM WTP, including water supply and sewerage connection for Coagulationbuilding.


The design flow foreseen forthe second stage SAM Filtration Plant will be of 5.000 m3/h (1, 389m3/s).

The design presented in theBidding Documents must be followed to the letter by theBidders in order to achieve the specific objectives. In this respect, it is the duty of the Contractor to prepare the final designof all elements of the proposed works, based on the Bidding Documents requested design and his experience, with the overallobjective of reaching the desired performance levels specified in the Bidding Documents.  

Place ofwork is the city ofDushanbe, site of SAM WTP. The delivery/construction period e is 18 months.

3.        Bidding will be conductedthrough the International Competitive Bidding procedures as specifiedin the World Bank'sGuidelines: Procurement of Goods, Works and Non-ConsultingServices under IBRD Loans and IDA Credits & Grants by World Bank Borrowers(issued in January 2011, revised inJuly 2014) ("Procurement Guidelines"), and is open to all eligible biddersas defined in the ProcurementGuidelines. In addition, please refer to paragraphs 1.6 and 1.7 setting forth the World Bank's policy on conflict of interest.


4.        Interested eligiblebidders may obtain further information from:

State Unitary Enterprise"Dushanbevodocanal", Mr. Kalandarov Saymurod Abdulloevich, the Head of PAU, dwspcu@gmail.comand inspect theBidding Documents at the address:

State Unitary Enterprise"Dushanbevodocanal"

Address:14-AAyni Street, 4th floor, Room 4


PostalCode: 734042

Country:Republic of Tajikistan

Telephone: (+992-37)-221-42-23

Facsimile number: (+992-37)-221-62-23

FromMarch 14, 2017 from 09:00 to 16:00 o'clock Dushanbe time, Monday to Friday.

5.         A complete set of bidding documents in English may bepurchased by interested eligible bidders at the above mentioned address upon the submission of a written application to the sameaddress and upon payment of a nonrefundable fee of 50 USD or an equivalent amount in local currency. The method of payment will bedirect bank transfer to the following account:

BENEFICIARY:                         StateUnitary Enterprise "Dushanbevodokanal"

BENEFICIARY ACCOUNT:   20206840800240100108 (USD)

BANK OF BENEFICIARY:      OpenJoint Stock Company "Bank Eskhata"

                                                      Republic of Tajikistan, Khujand,

                                                      SWIFT: EJSATJ22

INTERMEDIARY BANK:       RAIFFEISEN BANK INTERNATIONAL AG                                                                             SWIFT:RZBAATWWXXX


Bidding documents in PDF format can be obtained as a hard copy and/or in digitalversion (CD).


6.         All bids must beaccompanied by a bid security of USD 130, 000 or an equivalent amount in local or any other freely convertible currency, and bedelivered to the address below by 15:00 (Dushanbe time) on April 27, 2017.

Address:                     State Committee on Investmentsand State Property Management

                                    of the Republic ofTajikistan

StreetAddress:            Shotemur27

Floor/Room number:   Tender box #4        

City:                             Dushanbe

class="MsoFooter" style="MARGIN: 0in -0.05in 0pt 0in">Country:                       Tajikistan


They will be opened immediately thereafter, in the presence ofbidders' representatives, who chooseto attend, at the address below.Electronic bidding will not bepermitted. Latebids will be rejected. Bids will be immediately publicly opened in the presenceof the bidders' representatives, who choose to attend at the address below


Address:                     State Committee on Investmentsand State Property Management

                                    of the Republic ofTajikistan

StreetAddress:            Shotemur27

Floor/Room number:   Room 22       

City:                             Dushanbe

Country:                             Tajikistan

Please note that this notice is for your information only.
We try our best to have the most accurate and up-to-date information available on our web site, but we cannot guarantee that all of the information provided is error-free.
If you have any updates, corrections, or complaints related to this notice, please contact the responsible purchaser directly.