Standing on Front Street, Beth Tincher was more than satisfied to survey riverfront construction this week. The project manager of the city's Docks Area Project and Riverfront Promenade watched construction workers set the promenade's concrete retaining wall and a circular seating wall that'll soon surround a water feature centerpiece playing off the city's historic waterfront. "I'm excited, because it's been a long time in the making," said Tincher, standing south of Tower Bridge. "It's pretty amazing to come out to the site and see what this could be -- the potential of this highly under-utilized old brownfield site." Sacramentans will get more than simply a mile of bike-and pedestria

 Sacramento will be able to start work on turning a vacant parcel at 19th and Q streets into a small Midtown park, but it is unclear exactly when that will happen. The U.S. Environmental Protection Agency announced last week the city will get $600,000 in grants to clean up brownfields, which are industrial or commercial properties available for redevelopment but unused or under-used due to real or perceived environmental contamination. A third of the grant monies, $200,000, will be used to ready the site near R Street Marketplace for recreational use, said Hindolo Brima, spokesperson for the city's Department of Parks and Recreation. The park will be less than five acres and feature an u