An overflow crowd packed Sacramento City Hall Thursday night for a public hearing on the environmental impact report for the proposed Curtis Park Village development. With a unanimous vote, the City Council certified the report following four hours of testimony, staff reports and council discussion on the expected impact of developer Paul Petrovich's $211 million plan to construct housing and businesses on an old Western Pacific railyard near Sacramento City College. More than 400 people filled the council chamber and an upstairs overflow room. Saying they don't oppose the infill project, some nearby residents sought to postpone a decision by asking for an environmental impact report (EI