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　　資金來源： 世界銀行貸款

　　開標日期： 2001-07-16

　　詳細內容： The Government of Viet Nam has applied for a credit from the International Development Association (IDA) to finance the cost of the Ho Chi Minh City Environmental Sanitation Project - Nhieu Loc-Thi Nghe (NL-TN) Basin, and it intends to apply part of the proceeds of this credit to eligible payments on contracts for which this invitation for prequalification is issued.

　　The Ho Chi Minh City Department of Transport and Public Works (DPTW) through its Project Management Unit (PMU), herein referred to as the 揈mployer?intends to prequalify contractors and/or firms for the contract packages listed below.

　　Contract No. 1 Interceptor, CSOs and Outfall, comprising: Fabrication and installation of approximately 8.4 km of reinforced concrete interceptor pipe of an inside diameter of 3,000 mm, along the length of the NL-TN canal. Due to site constraints, depth of installation, soil conditions and changing horizontal alignment, pipe shall be installed by the pipe jacking construction method.

　　Caisson construction of approximately 35 pipe jacking and receiving pits with inside diameter between 8-10 meters and ranging in depth from 12-17 meters.

　　Construction of permanent manholes within the jacking/receiving pits.

　　Construction of approximately 50 CSOs 4 to 6 meters in depth with plan dimensions varying from 2 to 4 meters wide by 4 to 6 meters long.

　　Construction of two draw off structures and associated mechanical and electrical works to drain water from the NL-TN canal for flushing of the main interceptor and improvement of water quality in the canal.

　　Construction of an 800 meter long reinforced concrete pipe river crossing force main of 3000 mm inside diameter from the discharge of the pumping station (provided under Contract No. 2) to the Saigon River. Due to the depth of installation, soil conditions, navigational requirements, and changing horizontal alignment, pipe shall be installed by pipe jacking construction method.

　　Construction of associated shafts for pipeline river crossing to depths of 40 meters including installation of approximately 60 meters of 3,000 mm inside diameter steel pipe within the shafts.

　　Construction of 75 meter long 3,000-mm inside diameter HDPE outfall pipe with diffuser.

　　Construction of reinforced concrete drainage/sewer pipes ranging in size from 200-2,500 mm diameter over a total length of approximately 10,000 meters and associated manholes along the length of the NL-TN canal.

　　Contract No. 2 Pumping Station, comprising:

　　Construction of a 64,000 m3 /hr sewage pumping station of approximate dimensions 30 meters wide by 50 meters long by 20 meters deep, using diaphragm (slurry) wall 搕op down?

　　construction techniques.

　　Supply and installation of associated pumping station mechanical and electrical works including 6 mechanically cleaned bar screens and 12 constant speed submersible non-clog type pumps (10 duty-2 standby) each capable of pumping 6,400 m3/hour with a total design head of approximately 20 meters. Construction of ancillary pumping station buildings, site work, landscaping and supply and installation of associated mechanical and electrical works.

　　Applications may be made for prequalification for either or both of these contracts. It is expected that invitations to bid will be made in July 2001 for both contracts 1 and 2.

　　Prequalification will be conducted through prequalification procedures specified in the World Bank抯 Guidelines: Procurement under IBRD Loans and IDA Credits, January 1999, and is open to all bidders from eligible source countries, as defined in the guidelines.

　　A minimum requirement for qualification is to have successfully carried out over the last six years, projects of a similar scope, value and complexity.

　　A specific requirement for Contract No. 1 is that the applicant shall have demonstrated experience in jacking large diameter (minimum 2,000 mm diameter) reinforced concrete pipe over a total length of at least 6,500 meters in similar type　　groundwater and soil conditions. Demonstrated experience shall　　be defined as evidence of design and construction of associated jacking and receiving pits and specific pipe jacking construction experience by the staff of the applicant in densely urban areas with push lengths up to 350 meters. Applicants shall also have demonstrated experience in caisson sinking to depths of 25 meters. Projects used to support the experience requirement for Contract No. 1 shall have been completed and in-service for at least 12 months.

　　A specific requirement for Contract No. 2 is that the applicant shall have demonstrated experience in construction of wastewater pump stations of a similar size to this project as well as demonstrated experience in slurry wall 搕op down? construction of complex structures in similar type groundwater and soil type conditions to depths of at least 30-40 meters.

　　Projects used to support the experience requirement for Contract No. 2 shall have been completed and in-service for at least 12 months.

　　Minimum annual turnover qualifications are as follows:

　　Contract No. 1 only: US$ 28 million equivalent

　　Contract No. 2 only: US$ 22 million equivalent

　　Both Contracts 1 and 2: US$ 50 million equivalent The above are indicative requirements and not inclusive of the complete prequalification criteria that are contained in the prequalification documents.

　　Interested eligible bidders may obtain further information from and inspect the prequalification documents at the employer 抯 offices (address below) from 0900 to 1600 hours, Monday through Friday except public holidays.

　　A complete set of prequalification documents in English may be purchased by interested bidders upon submission of a written application to the address below and upon payment of a non-refundable fee of US$ 300 or equivalent in dong. The method of payment shall be by cashier抯 check or demand draft payable to the Department of Transport and Public Works. The document may either be obtained at the Employer抯 office in person or will be sent by airmail for overseas delivery and surface mail or courier for local delivery. The employer will promptly dispatch documents by registered mail, but under no circumstances will be held responsible for late delivery or loss of documents.

　　Applications for prequalification shall be submitted in sealed envelopes with the applicant抯 name and address clearly shown and delivered to the address below before 1600 hours on 16 July 2001.

　　Applications shall be clearly marked: 揚requalification

　　Application for: Ho Chi Minh City Environmental Sanitation Project ?NL-TN Basin. Contract 1 - Interceptor, CSOs and Outfall; and/or Contract 2 ?Pumping Station.?

　　Applicants will be advised in due course of the results oftheir applications. Only contractors and joint ventures pre-qualified under this procedure will be invited to bid.

　　Contact：

　　Ho Chi Minh City (HCMC) Project Management Unit - WaterSupply and Drainage. HCMC Environmental Sanitation Project -Nhieu Loc 朤hi Nghe Basin. Attn: Mr. Phan Chau Thuan, Director. 252 Ly Chinh Thang St., District 3. Ho Chi Minh City, Viet Nam.

　　Tel: (84-8) 846-8754.

　　Fax: (84-8) 846-7400.

　　E-mail: CTNNLTN@HCM.VNN.VN