Pittsburgh, PA – January, 7, 2014 – Nicholson Construction was recently awarded a $72.1 million dollar Design-Build contract to replace an existing force main from the Virginia Key Central District Wastewater Treatment Plant (CDWWTP) under Biscayne Bay Norris Cut to Fisher Island.
The project, which involves changing out the current 54-inch sewer force main for a 60-inch replacement, is set to last approximately 26 months. The main scope includes the installation of a precast concrete segmental tunnel, which will stretch more than a mile from the treatment plant on Virginia Key to Fisher Island.
[Editor] Read on for the rest of the press release from GeoPrac.net sponsor Nicholson Construction! [/Editor]
WSDOT held a press conference on Friday to discuss findings regarding the obstruction that had stalled the Bertha Tunnel Boring Machine since December 6. It is an 8 inch well casing, 119 feet deep from a 2002 groundwater investigation associated with the tunnel project. Crews were finally able to dewater the TBM face enough to get a look last week.
The interesting part is that the TBM struck the casing on December 3, three days before it stopped. The rotation of the cutterhead lifted the casing 5 to 7 feet out of the ground. Crews removed the upper 55 feet of casing and thought that was the end of it. There were fragments of boulder on the conveyor belt, and crews felt they were dealing with a large boulder problem. So what now? The WSDOT officials were not specific, but likely Seattle Tunnel Partners crews will need to perform an intervention outside of the cutter face to remove the pipe and inspect for any damage to the cutterhead. The cost of the issue will count against a $40 million risk allowance for repairs and inspections near the front of the rotary cutting face â€” plus a $105 million general contingency fund. The overall tunnel project budget is $2 billion.
DATAFORENSICS IS PROUD TO ANNOUNCE THE NEXT EVOLUTION IN GEOTECHNICAL AND ENVIRONMENTAL FIELD DATA COLLECTION – pLog Tablet.
Norcross, Georgia, January 2014 – Dataforensics, developer of geotechnical and geoenvironmental data management solutions, announces that pLog Tablet for Android is now available for immediate download from the Google Play store.
The evolution of pLog now allows users a new range of hardware options for field data collection, furthering the digital data collection model that Dataforensics has been a proponent of from the inception of the company 10 years ago.
This iteration of pLog greatly enhances usability by allowing users to leverage new hardware options with bigger screen sizes, faster processors, greater storage capacity, integrated GPS, and real time data sharing. (*Availability of cellular network as well as WIFI connections will determine real time capabilities).
[Editor] Click through for the rest of the press release from GeoPrac.net sponsor, Dataforensics! [/Editor]
Terra Insurance is a top provider of professional liability insurance to geoprofessional organizations. This 5 minute video features Terra Vice President of Claims and Risk Management Lisa Gamblin, Esq. The idea is that by understanding what the precursors are to claims, you and your firm will be better equipped to avoid them.
Attention geotechnical engineering students hoping to get a job or an internship! If you haven't had any experience in the field, you NEED to watch this video before you go on any interviews! This video created by Dr. Jason DeJong and Dr. Ross Boulanger at UC Davis gives a great overview of the basics of geotechnical drilling and sampling. It was created in 2000, but it is still relevant today. My only comment is that the rope and cathead hammers are getting more and more rare in favor of the automatic trip hammers (or just auto-hammer if you prefer).
Now I'm not suggesting that you students try to pretend you have experience that you don't! Never lie in an interview! But at least if you have seen this video, you can ask intelligent questions and know what your prospective employer is talking about when they explain the field duties required for an entry-level geotechnical engineer or geotechnical engineering intern position. I know I knew virtually nothing about geotechnical drilling and sampling when I started my career.
Introduction to Geotechnical Drilling and Sampling Video
Fugro has added a new DP-2 vessel to their fleet. The Fugro Voyager will perform deepwater geotechnical investigations in the Asia/Pacific region. The vessel will be able to perform investigations in water up to 4,400 feet deep. The comfort class vessel can accommodate up to 60 crew members, and includes amenities such as offices, day rooms, conference rooms and a gymnasium. A large soil laboratory will be located near the middle of the ship. [Source: Offshore Magazine. Image: Offshore Magazine]
Normally when driven piles are used as deep foundation elements, there is a large amount of pile waste when the portion of the piles left sticking up out of the ground are cut off to the desired elevation. UK piling contractor, Balfour Beatty and Finnish company Junttan have created a system that attaches to piling rigs and cuts off precast concrete piles as low as about 4 inches from the ground surface. The cut pieces are then used as starter pieces for the next pile. Balfour Beatty calculates that each precast concrete pile delivered to the site represents approximately 90 to 130 pounds of CO2 released into the atmosphere. They estimate that implementing this system on two piling rigs to date will translate into 2,000 metric tons of reduced CO2 emissions per year. [Source: Construction Enquirer via ASCE SmartBrief. Image: Construction Enquirer]
Crux Subsurface is a unique drilling company, getting their start with limited and difficult access geotechnical drilling, but in recent years, they have branched out into micropile foundation design and construction. They frequently work for the power sector installing transmission line foundations in locations that most other companies couldn't access. This photo gallery is on a Power industry publication website, and showcases some of Crux' work. [Source: Check out the photo gallery at TDWorld via Crux Subsurface. Image: T&D World]
RST's new borehole profile sensor can measure the orientation of boreholes raked above horizontal, such as drain holes. Most other equipment is designed to use a wheeled probe and grooved casing. This sensor uses MEMS technology and rigid rods and is inserted into the hole. It can also be used to profile boreholes of different diameter or nominal plunge. Data is collected using RST's ultra rugged field PC which can connect via bluetooth. [Source: Read more and download a brochure at RST Instruments Ltd.. Image: RST Instruments]
Hawthorne, NJ (December 2, 2013): The DFI Educational Trust announces the establishment of three new scholarship programs: the Manual Fine Civil Engineering Scholarship Fund, John O’Malley Scholarship Fund and Francis Gularte Scholarship Fund.
The Manuel Fine Civil Engineering Scholarship Fund was established through a $25,000 donation from the Heavy Construction Association of Ontario. The fund honors Manuel Fine, who served DFI for 24 years in many roles, including trustee, president, executive director, managing editor of Deep Foundations magazine, and in recent years, as publisher of the DFI Journal. The fund will provide scholarships for civil engineering students attending universities in Canada. Patrick Bermingham, of Bermingham Foundation Solutions and vice president of the DFI Board of Trustees, is chair of the fundraising drive.
[Editor] Click on for the rest of press release from the Deep Foundations Institute. [/Editor]
Written by George Annandale, ‘Quenching the Thirst: Sustainable Water Supply and Climate Change’ informs readers of the inadequacy of global water supply. The book outlines plausible options to safeguard future fresh water supply in spite of the uncertainties associated with climate change. With its vital insight and concrete guidance, the book is sure to resonate with readers around the world.
Denver, Colorado – The flow of clean water from taps in the western world creates the illusion of abundance, while, in fact, the small amount of fresh water available on earth is dwindling. The amount of fresh water is so small that all the fresh groundwater on earth can fit in a sphere with a diameter of only 42 miles. Similarly, if one would place the fresh water that instantaneously flow in all rivers on earth in a sphere, it will have a diameter of only 10 miles. A distance of 10 miles is shorter than the daily commuting distance of most people on earth.
Globally humans use three and a half times more groundwater than what is naturally replenished. While many people are aware of pending water shortages and are concerned about climate change impacts, few have solutions. Renowned engineer and humanitarian George Annandale has prepared a ground-breaking new book that explains the threatening problem in plain terms and also proposes plausible remedies. Quenching the Thirst: Sustainable Water Supply and Climate Change puts aside long-winded explanations and scientific terminology to help the public recognize and accept the world’s growing fresh water shortage, and understand how it may be resolved.
[Editor] Click through for the rest of the press release on this provocative new book by George Annandale. [/Editor]
Dr. Craig Benson of the University of Wisconsin delivered the 2012 Peck Lecture at the Geo-Institute’s Geo-Congress in Oakland. The GI just released a video of the lecture on their YouTube Channel. The title of his lecture was “Bentonite Barriers for Geoenvironmental Containment: Lessons Learned from Full-Scale Applications”. You can watch the lecture on the Geo-Institute YouTube channel.