What is the key element that must be included in all bid specifications in New Jersey?

The key element that must be included in all bid specifications in New Jersey is a public opening announcement. This requirement ensures transparency and accountability in the bidding process. By publicly announcing the opening of bids, it allows for fair competition among contractors and provides an opportunity for oversight by stakeholders, including the public and any interested parties. This practice helps to eliminate the potential for favoritism or corruption and ensures that the process is open and accessible.

The other options, while they may be important components of the project or bidding process, do not hold the same level of necessity as the public opening announcement. Timelines for completion can vary depending on the nature of the project, and while having approval from stakeholders is important, it is not a mandated requirement in the specifications themselves. Documentation of previous contracts may be relevant during the evaluation of bidders but is not a standard requirement that must be included in all bid specifications.