Over the years we have bid a lot of projects both privately and publicly. We have also documented our process to avoid 'reinventing the wheel'. The following describes the steps in our process. Several of the documents or forms that we use are downloadable by clicking their name. Perhaps this will be helpful to you.
These tasks should have been completed in earlier design phases. Verify that they have been.
PUBLIC VS. PRIVATE
The main differences between public and private bidding is 1] who is permitted to bid and 2] how documents are distributed.
Who to permit to bid. For public bidding you cannot restrict who bids except to place bonding requirements (often required by regulations) and minimum experience requirements on the potential bidders. For private bidding, the bidders should be by invitation only. Invite only firms you know can complete the project satisfactorily and let their bids decide who will be awarded the project. Three to six bidders is ideal. The more bidders, the less enthusiasm for bidding.
How documents are distributed. For public bidding it is fairly common these days to make the documents available at cost to whoever wants them. Alternatively, you can require a deposit (about 150% of actual cost) which is returned to the bidder when he returns the plans. Plans are usually placed with plan rooms also who provide a notification service to contractors.
For private bidding, you would distribute documents the same way except that you might just give the documents to the bidders in recognition of the invitational nature of the bidding. You would not place the drawings with plan rooms unless your invited bidders want to do that. The reason for no plan rooms is that uninvited bidders will submit bids, thereby undermining the concept of only pre-qualified bidders, any of which you would be happy to work with. Remember the old saw: "The low bidder is the guy who made the biggest mistake."
TASKS AT THE START OF THE BIDDING PHASE
There are three ways in which to distribute the Bidding Documents to the bidders depending on the technology available to you (and that the Owner's process permits you to use). The TRADITIONAL method is to print multiple sets of drawings and distribute them from the architect's office. The architect collects deposits or payments for the bidding sets and track contact information about the bidders for issuing addenda. As you might imagine, this is a big, disruptive task. The MODIFIED TRADITIONAL method is to print bidding sets as needed and distribute them from the reproduction house, who tracks information about the bidders and issues addenda and returns deposit (if any). This delegates the whole process; and the only drawback is that you are responsible to the Owner, but a third party is taking care of the task without oversight. The ELECTRONIC PLAN ROOM is the ideal solution because it mimics the Modified Traditional method but everything is documented online where you can monitor the process.
You have your project 'on the street'. Now what do you need to do?
It is extremely rare to go through a bidding period without at least one addendum. It isn't unheard of to issue some of the documents by addendum. That isn't recommended because coordination and completeness of the documents can become awkward. Your goal is to give the bidders a clear idea of what is required of them. Addenda invariably get ignored and that causes other problems for everyone.
The last addendum must be received at least 2-3 days before bid due date or you should postpone the due date in the addendum. The timing and method of delivery of any addendum is often covered in the (Owner provided!) Bidding Documents, so make sure you comply.
PREPARATION FOR THE BID OPENING (PUBLIC)
BID OPENING PROCEDURES (PUBLIC)
PREPARATION FOR THE BID OPENING (PRIVATE)
See the description of the preparation for a public bid opening above. A private opening would take place in the architect's or the client's office and is informal. The same process is followed without an audience of bidders.
BID OPENING PROCEDURES (PRIVATE)
See the description of the Bid Opening Procedures for a public bid opening above. A private opening is as informal as you want to make it, but most of the steps still apply. Since the bidders are not present, you can expect a flurry of inquiries within an hour or so of the bids being due. Decide with your client what results and when the results will be disclosed. Even if it isn't the actual results, I suggest that you make the plan for disclosure available if you haven't done so yet.
POST BID ACTIVITIES
Once the Owner/Contractor agreement is signed or a Notice To Proceed is issued, you are ready to start the Construction Administration phase of the project.
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