| He recycles the material as a replacement for riprap in lining drainage channels or protecting streambanks from erosion. |
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| Unchecked erosion also fills riprap channels with silt and reduces the storage capacity of detention ponds via sediment deposits. |
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| Both the pool and its protective lining of stone riprap must be properly sized. |
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| The group launched a three-year study that aims to plant trees, stabilize stream banks with vegetation and riprap, and build sediment ponds. |
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| A rock and log structure was placed within the riprap and willow structures to improve instream habitat for fish. |
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| The agents from Cedre provided technical advice on pumping exercises and clean-up of beaches and riprap. |
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| Boat ramps should be inspected for rot and other sources of weakening in the structure such as displacement of riprap. |
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| It is also advisable to protect pontoons as cleaning them, like for riprap and wharfs, is a delicate operation. |
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| Therefore, the texture of the bottoms of channels should be made rough with vegetation or riprap, and outlet structures should be properly designed with energy dissipaters. |
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| The job, located in an established, upscale residential development, required reshaping 150 ft of the eroded banks of a creek and armoring the site with riprap. |
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| The shore is denuded and a large riprap was created at the toe of the slope. |
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| Cleaning riprap and the harbour basin as a result of pollution by heavy fuel oil. |
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| When I climbed up on the riprap wall, I saw throngs of stranded horseshoe crabs lying in the interstices among the rocks. |
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| The road skirted the bay so closely that it required a barrier wall of riprap for protection. |
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| The status quo conditions depend on the continued existence of riprap and seawalls, which in turn result in an unchanged distribution of beach conditions. |
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| The existing shoreline at the abutments will be covered with protective riprap, to minimise erosion under the bridge. |
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| Can drainage ditches be stabilized against erosion by installing riprap or a rolled erosion control product immediately after they have been developed? |
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| Install riprap from shore and use turbidity curtains to avoid the displacement of sediments to other areas of the inlet. |
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| The spillway will include a headrace equipped with a riprap spur upstream from the dam, on the left bank, to direct the flow. |
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| A quarry is a place from which dimension stone, rock, construction aggregate, riprap, sand, gravel, or slate has been excavated from the ground. |
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| A new riprap revetment measuring 40 metres in length and approximately 315 m2 in area is now in place to protect against erosion of the section between the wharf and the harbour access road. |
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| Clean non-erodible riprap or gabions should be used to stabilize the pool. |
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| The riprap included derrick stones, and each stone weighed seven tons. |
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| The riprap will be installed from the shore to minimize in-water works. |
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| The pipe would outlet on a concrete slab and riprap adjacent to the Ottawa River shoreline and the surrounding slopes would be supported by wing walls. |
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| Construction of the inlet bridge will suspend sediments while boring for the central pillars and when installing the riprap at the base of the abutments. |
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| The riprap should be placed to form a 45-degree angle to the wall. |
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| The existing riprap on the northwest side and the existing breakwater will be modified to properly protect the new structure from wave overtoppings. |
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| Moreover, the proponent claims that the wave action would not compromise the security of the dams and the dikes because the riprap would be present on the upstream faces of structures to protect them. |
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| A Polmar exercise, involving boom deployment, storage tank preparation, skimmer launch and clean-up of a portion of riprap, concluded this training course on 4 September. |
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| A riprap design creates a softer edge, connecting the large expanses of grass, open lawns, terraces, groves and overlooks. |
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| I could see a huge morning glory near the riprap, which was a good sign. |
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| The researchers conducted additional tests to evaluate the use of various measures to reduce scour, including wing walls, pile dissipators, riprap, and cross vanes. |
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| The intertidal mud or sand flat habitat is continuous with many other habitats. Landward, it may be bordered by a beach, marsh, bulkhead, or stretch of riprap. |
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| The hot water has the ability to remove the oil from sea walls or riprap, and the vacuum sucks up the oil and water mix at the base of the sea wall. |
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| Add shoulder-protecting riprap along sections subject to erosion. |
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| Matthew Taylor of GZA said the rock-facing does not comply with Massachusetts Department of Transportation or city of Worcester standards for riprap construction. |
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| Jaw crushers are suitable for processing concrete, stone and demolition material, such as brick and block, and can produce larger products such as riprap. |
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