Thứ Sáu, 2 tháng 2, 2018

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"America's most advanced weather eye in the sky."

"Where did we come from?

The search for life in the universe."

"We're going to launch - for the first time - on an interplanetry mission from the west coast."

"Pegasus is away."

"We've got three and half weeks, we need to hit that precisely to get to the Sun."

"Delta II is now flying out."

"6, 5, 4, 3, 2, 1..."

For more infomation >> 2018: A Busy Year for the Launch Services Program - Duration: 0:54.

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New director of Indiana Department of Child Services Terry Stigdon outlines report - Duration: 4:26.

For more infomation >> New director of Indiana Department of Child Services Terry Stigdon outlines report - Duration: 4:26.

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Tax Preparation Services - Duration: 4:14.

For more infomation >> Tax Preparation Services - Duration: 4:14.

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GPI - Water/Wastewater Engineering Services Part 1 - Duration: 3:30.

To me it's surprising how many people have no idea

Where their drinking water comes from or where it goes after they flush the toilet?

When I open up a faucet I taste and smell the water to make sure that it's up the standards. Yeah, I'd monitor that

The hill engineering was formed in 1898 it's one of the oldest engineering firms in the country

It was acquired by GPI in 2016, hill engineering pretty much does the same thing that we're doing for GPI today

We do water and wastewater

Treatment plants they've built a number of facilities throughout western PA & western NY

This was the original treatment plant built in 1903

It was pretty much a glorified septic tank called an Imhoff tank so it treated all the wastewater in the town

It was just one large tank and in the last hundred years. We've gone from this to all this

Wastewater is collected in sanitary sewer pipes

Conveyed to a central location where the wastewater treatment plant is. One basic type of treatment process is what we call activated sludge

Which is what we have here at Northeast. We're at the Northeast, Pennsylvania

site one wastewater treatment plant

We're at the head end of the plant so when you flush the toilet

It comes into this tank. This is the first part of the process when we look at wastewater capacity

We look at flow and organic loading it treats 30,000 pounds per day of B.O.D.

Which is an equivalent service population of about a hundred and twenty-five thousand.

We have aeration tanks where we add air to break down the the organic waste through

Bacteria that we grow in those tanks the next step is here at the wastewater aerated lagoon

We have about four million gallons of wastewater under aeration in these aeration tanks

We grow bacteria that break down the wastewater and remove the organics we settle out that bacteria and clarifiers

The water is pumped into this clarifier tank

this is about a hundred foot diameter tank and we settle out the wastewater solids we take the settled sludge and send it to a

Digester to break it down further we pump those solids to anaerobic digestor where with the aeration

further breaks down the solids prior to dewatering there's about 700 thousand gallons of

solids under aeration in these two tanks

Then that digested sludge is then dewatered and the solids are typically sent to a landfill or maybe land applied

This is our sludge dewatering building the solids from the aerobic digester are pumped to here and we dewater

Those solids into a cake that goes to the landfill

We have a centrifuge and a belt press in this building that dewater the solids we send a 28 ton

Tri-axial full of dewatered sludge to the landfill about every three hours

GPI is up to speed with all the latest treatment technology including meeting tertiary standards familiar with all the state and federal

regulations pertaining to water and wastewater

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