Manson Construction drydocks GLENN EDWARDS at Detyens Shipyards in May of 2016. The hopper dredge is 390′ X 76′ and was drydocked in dock #2. Chris Donathan was the production manager for DSI and the attending port engineer for Manson Construction was Doug Browning. Thank you Manson Construction for choosing Detyens Shipyards as your drydock and repair partner.