August on Route 132 shimmers, and every lawn between Independence Park and the airport road is thirsty by noon. Kennefick Irrigation, LLC works the dry heart of the Cape year, keeping turf watered and cut so it comes through the heat instead of surrendering to it. Sand drains fast here, and timing the water against the mowing height is most of the battle. The work covers lawn watering and irrigation-system care, mowing, trimming, edging, fertilization and the seasonal cleanups on either end. Green in late August, on ground made mostly of beach, is the entire point.