For construction contracts $100,000 and above, this is the site.
The pre-bid conference is usually for Prime Contractors only. Subcontractors are not usually required to attend. Check each project for specific requirements. Notable exception is that often the hazardous materials subcontractor is required to attend.
Read Construction Documents (plans/specs) for general requirements written specifically for each project. A lot of work goes into these and they govern the work. Take the time to read them.
One must be a licensed contractor for the appropriate trade classification to bid work listed on this site.
Bonding starts with projects graeter than $25,000. Check each project for requirements.
Carry insurance coverage and submit Certificate of Insurance prior to start of work. Check each project for specific requirements. Generally projects greater than $100,000 will require enrollment in the UCIP Tower II program . Projects over $25 million will require enrollment in the UCIP Tower I program.