Extended data:
bid document
(1) Invitation to bid. An invitation to bid is a document used to invite qualified bidders to bid at a specified time and under specified conditions. Generally, it includes the following contents: the tenderer's unit, the nature of bidding, the project introduction, the bidding situation, the main quantities, the construction period, the services that the contractor needs to provide to complete the project, the time, place and price of selling the bidding documents, the place, number and deadline of sending the bidding documents, the amount and time of submitting the bid bond, the time and place of bid opening, the time and place of on-site inspection and the pre-bid meeting.
(2) Instructions for Bidding. Instructions to Bidders are documents that guide bidders to make correct bid quotations and inform them of the regulations they should follow, which generally include the following contents: brief description of the project or project, sources of funds, contracting methods, qualification requirements, time and place for organizing bidders to visit the project site and hold pre-bid meetings to answer questions and related matters. The bidder shall bear all the expenses involved in the preparation and submission of bid documents, as well as the expenses incurred in inspecting the construction site and attending the pre-bid meeting, and fill in the precautions in the bid documents.
(3) Contract conditions.
(4) Technical specifications. Technical specifications are an important part of bidding documents and contract documents, which stipulate the performance and standards of purchased goods and equipment. Technical specifications are also an important basis for bid evaluation. If the technical specifications are not clear or comprehensive, it will not only affect the quality of procurement, but also increase the difficulty of bid evaluation. Technical specifications for goods procurement shall adopt internationally or domestically recognized standards. All technical specifications shall not require or indicate a specific trademark, name, patent, design, country of origin or manufacturer, and shall not contain contents aimed at or excluding potential suppliers, except that the characteristics of the project subject to tender cannot be accurately or clearly stated.
The technical specifications of the project are complicated, including: standards required after the completion of the project, construction procedures, various measurement methods, procedures and standards in the construction process, site cleaning procedures and standards, and so on.
(5) Requirements for tender preparation. A tender is a written statement made by a bidding supplier about its bidding contents, including the composition of bidding documents, bid bond, total bid price and bid validity period.
(6) Supply list, quotation list and bill of quantities.
(7) Performance bond. The performance bond is to ensure the interests of the purchasing unit and avoid the losses caused by the supplier's breach of contract. Generally speaking, the performance bond for goods procurement is 5- 10% of the contract amount, and the project bond is 30-50% of the contract amount if a letter of guarantee is provided, and 10% of the contract amount if a bank guarantee is provided.
(8) Relevant qualification and credit certification documents provided by suppliers.