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Chapter III Bidding Projects and Pre-qualification of Bidding Qualifications
Article XIII gold construction project bidding for the implementation of pre-filing system. For matters that need to be reported to the competent authorities of the gold for reporting in the present Measures, the project legal person must consult the competent department before proceeding to the next stage of the bidding process. The pre-examination and filing system is implemented for the bidding of gold construction projects. For matters that need to be reported to the competent authorities of the gold for reporting in the present Measures, the project legal person must consult the competent department before proceeding to the next stage of the bidding process.
Article 14 Before the commencement of the bidding procedure, the project legal person shall report the bidding matters to the competent authorities of the gold for the record in accordance with the principle of hierarchical management. The contents of the report are as follows: 1. Main contents of construction project, construction period requirements, implementation of project funds, construction conditions; 2. Entrusted bidding agency; 3. Construction project bidding method, time schedule; 4. Recommended list of members of the bid evaluation committee; 5. Other tendering matters;
Article 15 The bidder shall submit the application for prequalification to the project legal person in accordance with the requirements of the bidding advertisement. The bidder shall submit the application for prequalification to the project legal person in accordance with the requirements of the bidding advertisement.
The project legal person pre-examines the bidder and reports the pre-audit results to the competent authorities of the gold for the record. The project legal person only issues bid invitations, sells or issues bidding documents to pre-qualified bidders.
Article 16 The application for pre-qualification of bidding shall include the following contents: 1. Information on the organization, reputation and performance of the bidder; 2. The main management and technical personnel, technical equipment level and other materials to be invested in the project.
Article 17 If a project construction bid is submitted in the form of a consortium, it shall be indicated in the application for prequalification. All member units of the consortium must sign a joint cooperation agreement to clarify the responsibilities and rights of the subject and the collaborating unit. Both the main body and the cooperative member units shall comply with the provisions of Article 4 of these Measures, and shall provide relevant information and a joint cooperation agreement (copy) in accordance with the provisions of Article 16 of these Measures. If you participate in the construction bidding in the form of a consortium, you must indicate it in the application for prequalification. All member units of the consortium must sign a joint cooperation agreement to clarify the responsibilities and rights of the subject and the collaborating unit. Both the main body and the cooperative member units shall comply with the provisions of Article 4 of these Measures, and shall provide relevant information and a joint cooperation agreement (copy) in accordance with the provisions of Article 16 of these Measures.
Article 18 The bid evaluation shall be the responsibility of the bid evaluation committee. The members of the bid evaluation committee are produced in the project construction, design, supervision units and the evaluation experts of the gold industry. The number of members of the bid evaluation committee is singular for more than 7 people. Among them, there are no less than three technical and economic evaluation experts in the gold industry. The members of the bid evaluation committee are recommended by the project legal person and approved by the gold authorities. The list of bid evaluation committees is strictly confidential before the results of the bid winning.
Chapter IV Bidding
Article 19 The bidders who have received the bidding documents shall attend the bidding preparatory meeting and the survey site hosted by the project legal person on time, fill in the bidding documents in accordance with the requirements of the bidding documents, and press the required number of copies on the date and time specified in the bidding documents. Delivered in double-layer sealed envelopes or delivered directly to the designated location.
Article 20 After the bids have been delivered as required, the bidders shall, if they need to amend the contents of the bids or adjust the quoted quotations, before the deadline and time for the specified bids, shall be submitted in an official letter with instructions. The above letter uses the same sealing method as the tender and has the same legal effect as the tender. Any correspondence, including tenders, shall be invalid after the deadline and time specified in the bidding documents.
Article 21 The tender and any letter must be stamped by the unit and signed by the legal representative or its authorized agent.
Article 22 While submitting the tender, the bidder shall submit a bid guarantee letter or a bid bond to the project legal person. The delivery method and the method of retreat shall be specified in the bidding documents.
The seamless steel pipe is made by perforating the whole round steel, and the steel pipe without weld seam on the surface. It is mainly used as high-precision structural steel pipes for petrochemical industry, boiler pipes, automobiles and aviation.
Seamless tubing can be made from any of several alloys and metals, such as carbon steel, stainless steel, molybdenum, or tungsten. Seamless pipes are used in those industrial applications that require the highest safety requirements. To produce seamless steel pipes, the solid block is pierced with a piercing plug before the pipe is drawn to the desired size.
Some of the differences between seamless and welded pipes are:
Seamless pipes are extruded and drawn from billets, while welded pipes are produced from roll formed and welded strips.
Due to the higher range of security offered by seamless pipe, it is more expensive than welded pipe.
Seamless pipes are available in relatively short lengths, while welded pipes can be manufactured in longer continuous lengths.
Seamless pipe generally does not show any signs of corrosion until and unless it is subjected to a highly corrosive environment, whereas in welded pipe the welded area is more susceptible to corrosion attack.
The welded area is considered to be inhomogeneous, so it exhibits different ductility and lower corrosion resistance, as well as larger dimensional changes. Seamless pipes eliminate any such problems and thus offer high corrosion resistance.
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