Toggle navigation
User Image therealbanshee Posted: Dec 15, 2017 11:50 PM (UTC)
FEED
25
2 Normal
Performing a pilot pump test using a wellpoint system.
In the third picture, my co-worker is installing the final transducer in a piezometer, a monitoring point to see how the pumping of the wellpoints effects the water levels in the subsurface at varying distances. The transducer records pressures that we can then analyze to determine how the water level changes as you move away from the pumping wellpoints.

Wellpoints are attached to a common header pipe (red pipe on the ground) which has vacuum applied to it via a self-priming wellpoint pump that has an air-water separator. Without this air-water separator the system would not be able to sustain a vacuum.
Vacuum can still be lost if too much air is introduced into the system, so each point (smaller red hose slid into the white 1.5" PVC pipe) has a valve which allows us to limit the amount of water that can be pumped from each point. This prevents the point from surging, or sucking in air, which would cause the pump to have to re-prime. #dewatering #engineering #ash #pond #closure #construction #wells #pumps #fieldwork #geology #soil #piezometer #transducer #solinst

More posts from this user

User Image therealbanshee Posted: Jan 6, 2018 6:13 AM (UTC)

21
0 Normal
Better late than never. 'Twas a good year y'all! Overall, it was a great year with great company. I truly had an amazing year and have others to thank for that. Y'all are awesome, thank you! And that means everyone, these are just a special few! @nicoburrito_90 @bbriss @mezhoran @michelezboyd @mizabawa @basel5o5 @kondorkelly @pickle5151 @o_pioneer #family #roommates #Roman #love #science #geology #engineering #dewatering #labrador #dogs #fireworks
User Image therealbanshee Posted: Dec 26, 2017 4:41 AM (UTC)

13
0 Normal
User Image therealbanshee Posted: Dec 21, 2017 1:18 AM (UTC)
23
1 Normal
Running another pump test tomorrow, this one is in Gretna, NE, 300' off the Platte River (you can see Mahoney State Park in the background of the video). We are anticipating a pumping rate of +\- 1,000 gallons per minute, from each well!

This project is for a Lincoln water supply line. They will HDD (Horizontal Directionally Drill) under the Platte River to get a steel pipe to connect to the Ranney well (third picture). From my understanding the Ranny well collects water which will then be pumped across the Platte, through the steel pipe, and ending up in Lincoln.

#dewatering #engineering #construction #attentiontodetail #wells #pumps #fieldwork #geology #soil #piezometer #transducer #solinst #HDD #contractor
User Image therealbanshee Posted: Dec 17, 2017 3:40 AM (UTC)
20
1 Normal
Taking the last of our manual readings here at Duke Energy's Dan River ash pond closure tonight.

I have learned a lot this week and look forward to analyzing the data we collected in-situ over the last few days on Monday when I get back to the office, and the transducer data later in the week.

We will be getting our transducers mailed in by mid-week where we will compare the manual data collected with the transducer data.

With this data we will be able to compare the actual conditions with the assumed conditions we made from the limited geotechnical information we were provided prior to the pilot test.

It was a long week, but I enjoyed seeing one of our systems running on a high profile project and all the things I learned during the process. I truly appreciate the opportunity my company has offered me and it has helped me realize that I am a much larger asset to my company working in the field collecting data. I look forward to doing more field work in the future and the opportunities, as well as the responsibilities field work entails.

#dewatering #engineering #ash #pond #closure #construction #attentiontodetail #wells #pumps #fieldwork #geology #soil #piezometer #transducer #solinst
User Image therealbanshee Posted: Dec 15, 2017 11:50 PM (UTC)
25
2 Normal
Performing a pilot pump test using a wellpoint system.
In the third picture, my co-worker is installing the final transducer in a piezometer, a monitoring point to see how the pumping of the wellpoints effects the water levels in the subsurface at varying distances. The transducer records pressures that we can then analyze to determine how the water level changes as you move away from the pumping wellpoints.

Wellpoints are attached to a common header pipe (red pipe on the ground) which has vacuum applied to it via a self-priming wellpoint pump that has an air-water separator. Without this air-water separator the system would not be able to sustain a vacuum.
Vacuum can still be lost if too much air is introduced into the system, so each point (smaller red hose slid into the white 1.5" PVC pipe) has a valve which allows us to limit the amount of water that can be pumped from each point. This prevents the point from surging, or sucking in air, which would cause the pump to have to re-prime. #dewatering #engineering #ash #pond #closure #construction #wells #pumps #fieldwork #geology #soil #piezometer #transducer #solinst
User Image therealbanshee Posted: Sep 7, 2017 11:37 PM (UTC)

10
0 Normal
User Image therealbanshee Posted: Aug 20, 2017 11:24 PM (UTC)

23
0 Normal
I hate flying so much I jump out of the plane sometimes. #6 #InTheBooks #skydiving
User Image therealbanshee Posted: Jul 26, 2017 3:51 PM (UTC)

17
3 Normal
Looking at a project in San Diego, CA. This was a somewhat challenging job due to the stratified soil profile of silty Sand(yellow) and sandy Silt(orange). Additionally, there is a 2.5-5 ft thick gravel layer (blue) 10' below grade that expands over the entirety of the site, which may yield a significant amount of water.
I put together a 3-system, 2-phase design to account for these variables. The first system is an eductor (vacuum) system that will be drilled to 36' below grade using a wash rotary rig. Eductor systems are well suited for low permeability soils, as they apply a vacuum to pull the water into the well screen.
The second is a deep well system drilled to 55' below grade using a 24" bucket rig. This system will provide pressure relief for elevator pits that extend 34' below grade.
The last system, and second phase of the project, is a wickpoint system that will be installed around the elevator pits. These points will be jetted into the sub-surface using 80PSI of water forced through a steel beam, downward pressure is applied with the excavator it is attached to, and the soil is flushed out. Once the hole has been jetted, a 1.5" PVC casing and screen is set into the hole.
If you are interested and want any additional information or have any questions, feel free to ask.
#geology #hydrogeology #engineering #dewatering #soil
User Image therealbanshee Posted: Jun 2, 2017 1:05 AM (UTC)

21
0 Normal
I did not know my schooling in geology would lead me to learning how to read engineering blueprints and relate them to geology. I'm always happy to expand my knowledge in other fields, and am grateful for the opportunity. #geology #hydrogeology #dewatering #engineering
User Image therealbanshee Posted: Mar 25, 2017 9:18 PM (UTC)

14
0 Normal
User Image therealbanshee Posted: Mar 25, 2017 12:38 AM (UTC)

25
1 Normal
Great week in Arkansas paddling the Buffalo River with fellow Geology students from UNO. We investigated the geology in the area to create a guidebook for other geologists to use. @pickle5151 #UNO #geology #Arkansas #BuffaloRiverNationalPark #limestone #Boone #Everton #sandstone #SaintPeter
User Image therealbanshee Posted: Jul 31, 2016 4:27 PM (UTC)

28
0 Normal
User Image therealbanshee Posted: Jul 4, 2016 4:27 AM (UTC)

7
0 Normal
User Image therealbanshee Posted: May 16, 2016 10:45 PM (UTC)

14
0 Normal
Late Jurassic/early Cretaceous carbonates (160-150 Mya) overlying Pre-Cambrian basement rock (1.9-1.6 Bya). A major unconformity within the #rockymountains. #colorado #geology
User Image therealbanshee Posted: May 7, 2016 9:00 PM (UTC)

6
0 Normal
A small job in Papillion with some hard stone edging. #landscaping #hardstone #shale
User Image therealbanshee Posted: Mar 29, 2016 11:15 PM (UTC)

5
0 Normal