This invitation for prequalification follows the general procurement notice for this project that appeared in following newspapers: Tehran Times (No. 11471 & 11472) of 8 & 9 Jul 2012 Iran Daily (No. 4274 & 4275) of 8 & 9 Jul 2012 Iran (No. 5120 & 5121) of 8 & 9 Jul 2012 and The Government of the Islamic Republic of Iran has received an Istisna’a financing from the Islamic Development Bank (IsDB) toward the cost of the Western Tehran Sanitation Project, and it intends to apply part of the proceeds of this financing to payments under the contract for Design, Supply and Installation of 4 modules of Western Tehran Wastewater Treatment Plant. The Tehran Sewerage Company (TSC) intends to prequalify contractors and/or firms for the Design, Supply and Installation of 4 Modules of Western Tehran Wastewater Treatment Plant which covers a Population Equivalent (PE) of 2,100,000 for the 2031 design horizon year. The Wastewater Treatment Plant will involve an activated sludge process with simultaneous removal of nitrogen and phosphorus including anaerobic, anoxic and aerobic areas with the internal circulation flow from aerobic to anoxic methods (A2O). The average flow of sewage into the WWTP (having taken into account inflow) is estimated to be about 514000 m3/day in the 2031 design horizon year. Prequalification will be conducted through prequalification procedures specified in the Islamic Development Bank’s Guidelines for Procurement of Goods and Works, May 2009 and is open to all bidders from eligible source countries (Open ICB), as defined in the guidelines. Interested eligible Applicants may obtain further information from and inspect the prequalification document at the Tehran Sewerage Company (address below) from 9:00 am to 2:00 pm. A complete set of the prequalification document in English may be purchased by interested Applicants (a) on the submission of a written application to the address below and upon payment of a non-refundable fee of 500,000 Iranian Rials or 30 Euros. The method of payment will be direct deposit to specified accounts (foreign currency account number for foreign applicants: [05180821 Tejarat Bank of IRAN- Imam Khomeini Branch (Code: 56)]/ [domestic account number for local applicants: 131524706 (current account) Tejarat Bank of IRAN- Imam Khomeini Branch (Code: 56)]. The prequalification document will be submitted to applicant (by having official letter of recommendation) at the address below, from 9:00 am to 2:00 pm. Applications for prequalification should be submitted in sealed envelopes, delivered to the Tehran Sewerage Company latest by 14 March, 2015, Saturday, 13:00 pm, and be clearly marked “Application to Prequalify for Western Tehran Sanitation Project - Design, Supply and Installation of 4 Modules of Western Tehran Wastewater Treatment Plant.” Tehran Sewerage Company No. 14 - Andisheh St. – Dr Beheshti Ave. – Tehran – Iran Mailbox number: 15875-5696 Facsimile number: +98 (21) 88402067 Telephone: +98 (21) 88546190 & +98 (21) 88435961 Electronic mail address: idb.ts@tpww.ir