excavators moving boulders next to the Nisqually River levee excavator lifting a large boulder large boulders stacked on top of each other to create a deflector next to the Nisqually River levee excavator working with large boulders near the Nisqually River levee construction equipment working on rock installations next to the Nisqually River levee deflector made up of rock and logs next to the Nisqually River levee a deflector made of rock along the Nisqually River levee with mountains in the distance construction equipment working along the Nisqually River levee

NISQUALLY RIVER RETROFIT

Date: August-October 2021
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Description

The Upper Nisqually River Levee Retrofit adds deflectors to the bank of the river. The deflectors reduce water velocity and direct water away from the shoreline, slowing shoreline erosion and reducing damage to the levee. Washington Rock provided materials to contractor Active Construction.

Materials

6,400 tons of Oversized Quarry Rock and Levee Rock
1,380 tons of 1¼” Minus Tailings, Grade 1

Highlights

Washington Rock produced over 5,800 tons of oversized quarry rock especially for this project. Each rock weighed between 6 and 15 tons, more than double to quadruple the size of the largest quarry rock typically offered. We are one of the few mines in the region that can produce boulders on demand at this size and with the correct specifications.

Read more about this project on the National Park Service website.