Workers at Hawaii Private Locators dig a lot of holes every year while locating underground utility lines.In fact, employees do about 500 potholing jobs a year in order to expose and locate underground infrastructure without damaging the very things they’re striving to locate. To maximize efficiency — and profitability — Dave Dickey, owner and CEO of the Honolulu-based company located on the island of O’ahu, depends on a one-two technology punch.The first punch comes courtesy of pneumatic excavators from AirSpade (a division of Guardair Corp.), which use compressed air to knife through soil. And two portable vacuum units manufactured by

















