A small pump station is another nice piece to have for an objective without taking up the whole table. Small scenery is perfect for filling in the inevitable blank spaces on the table, ensuring you have nice, dense urban terrain.
The concrete foundation is part of a plastic table, just tall enough to elevate small buildings and allow for recessed detail (such as the maintenance pits in the foreground). Score lines were carefully scraped with the back of an X-acto knife. A grey primer, tan drybrush and lots of grungy washes give it that worn, concrete look.