Chris Lopez and David Holguin, collection system operators for the Rancho California Water District in Temecula, Calif., noticed a high level in a manhole on an easement near Calvary Chapel complex. An overflow here meant sewage encroaching on an elementary school playground.A low level in the downstream manhole 300 feet away confirmed a blockage. An attempt to jet-rod the 12-inch line using a 2100 series Vactor combination truck failed, as did snagging the material with a continuous rodder and corkscrew blade.The district doesn’t own a main-line camera, so the men attached their Jet Cam from RS Technical Services Inc. to
