Pursuant to Public Contract Code 20111.6:  Any project that uses state bonds funds or that might be reimbursed by state bond funds in the future is required to pre-qualify any mechanical, electrical or plumbing subcontractors required for any Project.  Furthermore all general contractors must use prequalified mechanical, electrical and plumbing subcontractors.  If a listed mechanical, electrical and plumbing subcontractor in any general contractor bid is not prequalified, that bid will not be accepted.  

Prequalifications are good for 12 months after approval.