Skip to content

Los Angeles Residential Methane Clearance Bundle by Terra-Petra

August 26, 2015


Terra-Petra plays a role in the proposed Los Angeles NFL Stadium in the City of Carson

August 18, 2015

Renderings released Monday, Aug. 17, 2015 show the design of the proposed NFL stadium in Carson. Courtesy of MANICA [via]

Renderings released Monday, Aug. 17, 2015 show the design of the proposed NFL stadium in Carson. Courtesy of MANICA [via]

Terra-Petra is excited to be involved in the process of bringing football back to Los Angeles. After over two decades of being without a professional football team, the city will (potentially) play host to two NFL teams: San Diego Chargers and Oakland Raiders (possibly three, including the St. Louis Ram’s possible relocation to the old Hollywood Park site in Inglewood, California).

For the purpose of the Chargers and or Raiders move(s), a nearly $1.7-billion stadium is proposed to be constructed adjacent to the 405 freeway in the City of Carson, California–atop an existing landfill. Terra-Petra has nearly 12 years of design work history with said landfill.

Originally intended to be redeveloped into a shopping outlet, the site has gone through many iterations of planned developments. Terra-Petra’s role throughout these iterations has remain unchanged and will involve designing a methane mitigation system to protect any structure constructed above the landfill from vapor intrusion.

As with all landfills, the soils on site have been left rife with environmental problems that are still quite a way from being completely remediated. Environmental cleanup will involve removing industrial solvents, heavy metals, arsenic, and pesticides which have compiled over the years. Another environmental firm with whom Terra-Petra has formed a strategic alliance will be in charge of the environmental cleanup of the site.

It is estimated that the remediation process is about 80% complete, which leaves about a year of environmental work left to be done. Once the cleanup is complete, the developer can proceed with installing the methane mitigation system.

At this point it remains unclear if the construction of this NFL stadium is a go. Terra-Petra, along with football fans across Los Angeles County, remains hopeful that the site is selected as the home of either one or two NFL teams.  It is clear, however, that a methane mitigation system will be essential to protect any type of building constructed on the site in the future.

There’s methane on Mars too!

May 28, 2015

Did Curiosity Rover Cause Mars' Mysterious Methane Spike?

Is the Red Planet giving off methane?

The question has taunted scientists for nearly 50 years, ever since the Mariner 7 spacecraft detected a whiff of the gas near the south pole of Mars. Researchers retracted the finding a month later after realizing that the signal was in fact coming from carbon dioxide ice.

Then in 2003 and 2004, earthbound telescopes and orbiting spacecraft rekindled the mystery with reports of large methane clouds in Mars’ atmosphere. Most of Earth’s methane comes from living organisms, though a small fraction can form when rocks and hot water interact. A burp of methane on Marswould indicate that the planet might be more alive than previously thought — whether biologically or geologically. But the “plumes” mysteriously vanished a few years later, sparking intense debate over whether they might have been seasonal, or the results of flawed measurements. [Mars Methane: Could It Mean Life? (Video)]

NASA’s Curiosity roverwould resolve the matter, everyone hoped. The rover sampled Mars’s atmosphere six times for methane between October 2012 and June 2013 — and detected none. But the case for Martian methane remained far from settled. A few months later, Curiosity detected a sudden burst of the gas in four measurements over a period of two months.

Working hard to rule out potential anomalies and monitor the evolution of the burst over time, the Curiosity team waited an entire year before announcing the new results at a meeting of the American Geophysical Union in December 2014. A paper was published in the journal Science in January 2015. Whether microbes lurking below the Martian surface or geology was at play, the Red Planet could well be alive in some way after all.

And yet, a researcher remains skeptical. Kevin Zahnle, a scientist at NASA’s Ames Researcher Center in Moffett Field, California, who was not involved with the discovery, voiced his concerns last month in a seminar hosted by the NASA Astrobiology Institute’s Virtual Planetary Lab.

“I am convinced that they really are seeing methane,” he said. “But I’m thinking that it has to be coming from the rover.”

Read the entire article here.

Terra-Petra installs soil gas and waterproofing system at Family House project in San Francisco

April 3, 2015

Nancy and Stephen Grand Family House Time Lapse   11 14 1 15   YouTube

Terra-Petra is excited to be involved with the construction of a project for an organization called “Family House – (aka The Nancy and Stephen Grand Family House) in San Francisco, California. The not-for-profit organization offers free-of-charge housing for qualifying families of seriously ill children receiving treatment at University of California San Francisco Benioff Children’s Hospital. The project site is near the new site of the hospital in the Mission Bay area of San Francisco. The move in for the development is projected for November 30, 2015.

The soil gas and waterproofing system, two separate mobilizations, took just 5 days to install and covered 30,000 square feet. This efficient installation had little to no impact on the overall construction schedule which made the architect, owner and general contractor extremely satisfied. The link below is a time-lapse video, where the two phases of Terra-Petra’s involvement with this remarkable project include the entire foundation being covered in green and then with black layers of coating. The section of the video where the green layer is applied shows the VI-20 base layer of the membrane sandwich while the black layers are both the spray-applied Liquid Boot membrane and the geotextile protection course.

The system was designed to take care of three separate compliance matters: the corrosive soil requirements, waterproofing site specific design issues, as well as the Maher Ordinance, which is enforced by the San Francisco Public Health Department.  Terra-Petra provided a single source manufacturer to address all three issues efficiently and effectively.

More about Family House: Qualifying families that live more than 50 miles away and prior to 1981 had to take part in a nightly lottery to get a mat to sleep on the floor of a UCSF conference room. If they could not get in, many would sleep in their cars or pay for costly hotel rooms nearby. This inconvenience and sometimes financial burden would only add to the stress of dealing with home and work coverage, sibling care, transportation issues, pet care, changing appointments and so on, all at the same time as dealing with the emotional difficulties of having a child with a serious illness. In 1981, Dr. Arthur Albin and his wife, Debbie, co-founded the first Family House which housed 10 families per night.  A second house opened in 2002 to house 24 more families—all free of charge.  Today, over 2,000 families are served.  After the opening of this new project in Mission Bay, with which Terra-Petra is proud to be involved, another 200 units will be added.



Get every new post delivered to your Inbox.

Join 580 other followers

%d bloggers like this: