Visit our proposal development web page for information on grant writing assistance and further proposal development resources. This handout is designed to assist you in preparing your commercial building plans for submittal to the Plan Review Division of Building and Safety.All Prospective Vendors submitting a proposal must be subscribed to this RFP on the City's bidding website prior to the due date and time. Calculating Salaries. Calculate all project personnel costs using actual salaries. The Development Review and Plan Check Section provides plan checking, and approval for all subdivisions and land development.