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What is the bidding method? How many bidding methods are there?

This article will introduce four bidding methods in particular and the selection of contractors and investors in general according to the 2013 Bidding Law. These methods include: One-stage one-envelope method, One-stage two-envelope method, Two-stage one-envelope method, Two-stage two-envelope method.
What is the bidding method? How many bidding methods are there?

What is the bidding method? How many bidding methods are there?

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What is the bidding method? The bidding method is understood as the contractor's chosen approach to participate in bidding for a contract from the inviting party. Currently, there are a total of 4 common methods for selecting contractors and investors used extensively in bidding, specifically regulated from Article 28-32 of the Bidding Law (No. 43/2013/QH13) in 2013, as follows:

1. One-stage One-envelope Method

1. The one-stage one-envelope method is applied in the following cases:

a) Open bidding, restricted bidding for packages providing non-consulting services; small-scale packages of goods procurement, construction, or mixed packages.
b) Competitive bidding for packages providing non-consulting services, goods procurement, and construction.
c) Direct appointment for packages providing consulting services, non-consulting services, goods procurement, construction, and mixed packages.
d) Direct procurement for goods procurement packages.
e) Direct appointment for investor selection.

2. Contractors and investors submit bidding documents and proposals, including technical and financial proposals, according to the requirements of the invitation dossier and bidding documents.

3. The bidding process is conducted once for the entire bidding dossier and proposal documents.

2. One-stage Two-envelope Method:

1. The one-stage two-envelope method is applied in the following cases:
a) Open bidding, restricted bidding for packages providing consulting services, non-consulting services, goods procurement, construction, and mixed packages.
b) Open bidding for investor selection.

2. Contractors and investors simultaneously submit separate technical and financial proposal documents according to the requirements of the invitation dossier.

3. The bidding process involves two openings. The technical proposal documents will be opened immediately after the bid submission deadline. Contractors and investors meeting the technical requirements will have their financial proposal documents opened for evaluation.

3. Two-stage One-envelope Method:

1. The two-stage one-envelope method is applied in the case of open or restricted tendering for procurement packages of large and complex nature, including goods, construction, and mixed packages.

2. In the first stage, bidders submit technical proposals and financial plans as per the tender documents, excluding the bidding price. Based on exchanges with each participating bidder in this stage, the tender invitation documents for the second stage are determined.

3. In the second stage, bidders who participated in the first stage are invited to submit tender documents. The tender documents include technical proposals and financial plans as per the tender invitation documents for the second stage, including the bidding price and bid security.

4. Two-stage Two-envelope Method:

1. The two-stage two-envelope method is applied in the case of open or restricted tendering for procurement packages involving goods, construction, or mixed packages with new, complex, and technically specific features.

2. In the first stage, bidders simultaneously submit technical proposals and separate financial proposals according to the tender documents. The technical proposals are opened immediately after the bid closing time. Based on the evaluation of the technical proposals in this stage, adjustments to the technical aspects are determined concerning the tender documents, and a list of qualified bidders is invited to participate in the second-stage tender. Financial proposals are opened in the second stage.

3. In the second stage, qualified bidders from the first stage are invited to submit tender documents. The tender documents include technical proposals and financial proposals corresponding to the adjusted technical requirements specified in the tender documents. In this stage, the financial proposals submitted in the first stage are opened simultaneously with the tender documents of the second stage for evaluation.

Introduction

Many contractors have reached out to DAUTHAU.INFO with inquiries about fundamental knowledge regarding bidding. DAUTHAU.INFO will provide a series of guides for contractors.

After acquiring basic knowledge, it's essential to prepare yourself with software to hunt for bidding information. Refer to the VIP1 software package from DauThau.info at: https://dauthau.asia/en/vip/?plan=1&vip=1.

Why does the Admin recommend choosing the VIP1 package instead of other software packages from dauthau.info?

Because with this software package, you are taking your first steps into this specialized procurement market. It can be used to survey the market, simultaneously researching and understanding the bidding packages of interest. By setting up the software to track the packages you are looking for, similar to getting familiar with a hunting ground, you can also view sample bidding invitations for online bids (freely posted bidding invitations). Download them to study how invitations are made, whether your capabilities meet the requirements, and what needs to be supplemented. If everything seems ready, you can dive into action!

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