What are the types of engineering tenders (is commercial tender a kind of engineering tender? ) thank you!

The project bidding documents include business bid, technical bid and comprehensive bid, in which the business bid is the quotation part, the technical bid is the construction organization design, and the comprehensive bid is the qualification certificate of the company and site management personnel.

The project bidding document refers to the document that the tendering unit selects the best construction enterprise for the large-scale construction project.

1. cover

The contents of the cover text generally include: country; Project source; Project name; The words gentle; Loan number; Letter of credit number; Contract number; Tender number; Tenderee or agent bidder; Dating.

2. Tender notice

Writing content requirements are:

A. the name of the tenderer and the project subject to tender;

B. Brief introduction of the project subject to tender;

C. contracting method;

D. Bidder's qualification, place, time and cost of receiving the tender.

3. Invitation to bid

Writing content requirements: project source; Project name; Gentle words; Loan number; Letter of credit number; Contract number; Tender number; The main contents of the project; Location of the project; Place and cost of bidding; Bidding language requirements; The amount guaranteed by the bidder; The time and place for the bidder to submit the tender; Time and place of bid opening; Name, address, contact person and contact information of the tenderer and the agent tenderer.

4. Instructions to Bidders and Pre-Schedule

Instructions to Bidders and the Pre-attached Table are important parts of the bidding documents, guiding documents for project owners or bidding agencies on how to bid, and are generally sold to qualified bidders along with the bidding documents. Its main writing content is as follows.

① General rules. Project scope, sources of funds, qualified bidders, bidders' qualifications, each bidder can only submit one bid, bid fee and site inspection fee.

(2) tender. Content, clarification and modification of the tender.

(3) Preparation of tender. Tender language, tender documents, tender composition, tender price, tender and payment currency, selective quotation, tender validity period, tender deposit, alternatives proposed by bidders, tender preparation meeting, tender format and signature.

(4) Submission of tenders. Sealing and marking of tender, deadline for bidding, overdue bidding, modification and withdrawal of tender.

⑤ Bid opening and evaluation. Bid opening, confidentiality procedures, clarification of bids and contact with the owner, review of bids and determination of responsiveness, identification of consistency, modification of technical errors, conversion of single currency, evaluation and comparison of bids and preferences of domestic bidders.

⑥ Contract award. Contract award criteria, the owner's right to accept and reject bids, bid-winning notice, signing contract agreement, performance bond and advance payment.

⑦ Others. Mediator team, failure to execute the contract from the commencement date, corruption and fraud.