sass eprocurement contracting vendorline vendors bid contract management vendor contractor insurance certificate certification business emergency operations evaluation reverse auction planetbids procurement vendorline opportunities pb system solutions small business enterprise diversity minority public works risk managers metropolitan water district of southern california city long beach sacramento san diego pasadena anaheim registration module modules alan arpie zavian sbe dbe mbe wbe dir cadir licenses naics nigp reports reporting bid alerts notifications acord am best rfp rfi rfq rfqual categories scope of services pre bid meeting local programs and policies electronic attachments hard copy plans prospective bidders project evaluation awards results addenda addendum line items csu office of the chancellor california state university software