![]() They are therefore designed in such a way that their wetted surfaces are hard-faced by deposit welding and the components exposed to wear such as rings, bushes, discs, casing inserts, impellers and all types of linings, can easily be replaced by new ones. They are particularly heavily exposed to erosive wear (see Erosion). Please see the dredge map below and attached.Īdditional information can also be accessed by visiting this page: slurry pump is also known as a lined pump or dredge pump and is a centrifugal pump for transporting a fluid handled containing highly abrasive solids (see Abrasion) such as flotations, suspensions of slag, coal or ore in mining and sinter sludges, or in sand and gravel extraction. Mariners are reminded they must go idle speed, no wake, through the work area. Mariners are advised to proceed with caution when transiting the area. Dredge and work vessels will monitor VHF-FM Channel 13 and 16. All marine equipment operators will be monitoring VHF-FM Channel 63 and Channel 16 and 13. There will be two dredges, multiple push boats, skiff, booster pump barge, equipment barge, and dredging pipeline on scene. ![]() Work hours are 24 hours a day, 7 days a week. Channel crossings will be provided with the dredge pipe submerged and marked with temporary red and green buoys. All dredge pipes will be marked and lit in accordance with U.S. Coast Guard Regulations. The 16' Dredge FINN will be performing dredging at multiple locations in the main harbor channel with the dredge pipe located on the south side of the channel. ![]() ![]() with the dredge pipe located along the south side of the inlet. The 20' Dredge OYSTER BAY will be performing dredging in the channel outside of the inlet at 42☄9’03”N 70☄8’01”W. Mariners are advised that H&L Contracting will be conducting dredging operations in Newburyport Harbor, MA from thru. ![]()
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