Tag: borer

A raise borer is a machine used in underground mining, to excavate a circular hole between two levels of a mine without the use of explosives.
The raise borer is set up on the upper level of the two levels to be connected, on an evenly laid platform (typically a concrete pad).

Rain Gardens for Erosion Control Projects

Rain Gardens for Erosion Control Projects

Before we had the rain gardens in, everything was draining straight into the gray infrastructure in the way of storm sewers and getting taken rapidly into Trail Creek, which is a heavily used natural resource and recreational area for a lot of people. This was a great opportunity to help

How Much Is a Tree Worth?

How Much Is a Tree Worth?

A new study has once again confirmed that trees provide great value in urban settings—and also that we don’t value them enough.

Researchers from the US Forest Service and the University of California at Davis have calculated that the annual cost to keep a city tree alive is $19. For every

Assisted Evolution: How Far Should We Intervene?

Assisted Evolution: How Far Should We Intervene?

We’re all probably familiar to some extent with the problems corals are experiencing in the world’s oceans. Bleaching events, in which coral polyps expel the symbiotic algae living within them, are occurring in many places including Australia’s Great Barrier Reef. Some reefs are disappearing entirely. That’s bad for the coral,

Erosion Control for Highway Construction Projects

Erosion Control for Highway Construction Projects

Linear projects have their own particular challenges when it comes to erosion control. Centralized sediment basins are usually lacking. There is the need to protect existing inlets and catch basins along the roadways and the need to work around traffic, sometimes during peak hours and at night.

Although both linear and

Remote Sensing in Conservation Easement

Ecosystems serve many critical ecological functions for our land including flood reduction, air quality improvement, and soil stabilization to name a few. Efforts associated with conservation and land protection can help enhance, restore and prolong how well these ecosystem functions are being performed by natural systems. Land managers such as

When Green Turns to Gold

When Green Turns to Gold

About one-third of municipal solid waste in the United States is organic, including foodwaste, yardwaste, and woodwaste. Some 65% of yardwaste and 2.5% of foodwaste in the US is now being diverted from disposal. According to the USEPA, converting waste into valuable raw materials through recycling creates jobs, builds more

Funding the Clean Water Act

This isn’t just an environmental issue, or even a public health issue. It’s an environmental-justice issue, says Jamie Samons, public affairs manager for the Narragansett Bay Commission (NBC) in Providence, RI. “I feel for older communities like ours. Frankly, for any community, stormwater and sewer issues are last on the

Enter Your Log In Credentials
×