Advertisement
  1. St. Petersburg

Robots will soon invade St. Petersburg's sewer pipes. Do not fear them.

Four of RedZone Robotics’ “Solo” devices are shown. The devices help engineers map out sewer systems and prioritize which pipes need to be repaired, said sales operations manager John DePasquale. [Courtesy of RedZone]
Published Jul. 22

ST. PETERSBURG — Here come the robots.

Autonomous crawling robots may soon be in sewage pipes under the streets to help fix the city's wastewater woes.

The robots would allow the city to scan for pipe problems three to four times faster than underground video cameras, allowing it to make repairs more quickly, said the senior water resources manager Lisa Rhea.

The City Council is mulling signing a $600,000 contract with RedZone Robotics to provide its "Solo" autonomous crawling robots for the Water Resources Department. The final contract should go before the council in August, said RedZone Robotics sales operations manager John DePasquale.

FROM 2016: Sunshine City? More like the Leaky City: St. Petersburg's sewage problem tied to pipe leaks

In 2015-16, the city's antiquated, overwhelmed wastewater system overflowed by up to 1 billion gallons. Part of the problem was old, leaky pipes. In 2016, a consultant told the council that on a dry day about two-thirds of the sewage flow was due to groundwater seeping into the old pipes. When it rained, the pipes were overwhelmed. That played a big factor in those storm-fueled sewage discharges.

The robots will help the city spot leaks more quickly, Rhea said, so they can be repaired faster.

The devices score pipes on a scale of 1 to 5 that indicates whether they're cracked, displaced or even missing pieces. They'll also create holistic maps of the pipe system and help prioritize what sections of the pipe network need the most work.

"Now, you have a peace of mind and don't have to react anymore," DePasquale said.

NO CHARGES: St. Pete sewage crisis ends with no charges, $326 million bill

THE INVESTIGATION: Rick Kriseman's administration lashed in St. Pete sewage report

The Florida Fish and Wildlife Conservation Commission's 2017 report into the city's sewage issues said Mayor Rick Kriseman's administration made poor decisions before and during the crisis, including shutting down the Albert Whitted treatment plant months before the first discharges in 2015. The report also said past administrations set the stage for the crisis by under-funding the sewage system.

After the report was issued, the Florida Department of Environmental Protection reached a consent decree with the city that required it to spend $326 million spent to fix and upgrade the system. Sewer problems have persisted since then, and the city was found to have violated the order in 2017.

The decree required the city to evaluate about 4.7 million linear feet of gravity sewer pipe in five years, records show. That's where the robots come in.

The autonomous devices would be paired with traditional, slower methods to help meet that requirement, Rhea said. If the first full run-through is successful, she said, it could take less than five years to finish that evaluation. The robots will be used to inspect the worst, leakiest pipes in the city.

The current contract is just for nine months. But if the robots do a good enough job, Rhea said they could be used more extensively in the future.

Historically, the city has used CCTV trucks, which use video to inspect pipes. The trucks would run video cameras through sewer lines from one manhole to another to identify cracks. After recording all that pipeage, Rhea said, workers would then have to go back and watch the video to identify areas that needed work.

Those trucks can inspect about 2,000 feet of pipe per day. RedZone says its robots can scan 7,000 to 10,000 linear feet of pipe per day.

Workers program the robots where to go and insert them into manholes. Then Rhea said the devices scan the pipes using video cameras, sonar and radar to get a "more definitive" examination of the system. Then the city could produce a map and highlight the problem areas.

"You can take a step back and...say 'Wow, this neighborhood has a lot of problems, although they're not all the worst problems, since there's a concentration it would be worth it...to focus on this neighborhood's repairs,'" Rhea said.

More than a dozen municipalities in Florida have used RedZone sewer robots, DePasquale said, including Oldsmar and Palm Bay.

Winter Garden used RedZone's "absolutely phenomenal" robots this year, said assistant city manager of public services Jon Williams. The city plans to use the robots again in the next fiscal year, he said, because they "drastically" cut down inspection time.

"It has made a huge difference," Williams said.

Contact Ben Leonard at bleonard@tampabay.com or (727) 893-8421. Follow @Ben___Leonard.

ALSO IN THIS SECTION

  1. A sign seen on the front door of Pom Pom’s Teahouse and Sandwicheria in March, after owner Tom Woodard stopped serving drinks with plastic straws. The St. Petersburg City Council voted 5-2 on Thursday night to ban single-use plastic straws. [CHRIS URSO  |  Times]
    The City Council tweaked its own ordinance banning single-use plastic straws, which is set to take effect on Jan. 1, 2020.
  2. Apollo Global Management has offered $130 per share for Tech Data's stock in an acquisition worth $5.4 billion. If regulators shareholders approve, the home-grown company will remain based in Pinellas County, where it employs 2,000 of its 14,000 workers. DIRK SHADD  |  Tampa Bay Times
    Private equity firms like Apollo create wealth for pension funds, financial institutions and individual investors by buying assets that typically are sold later at a profit.
  3. USF student Gabriela Young is the owner of Earth and Ivory, an online jewelry business with items made out of clay.  [Special to the Times | Sarah Foster] SARAH FOSTER  |  Special to the Times | @sarahtheartiste
    Gabriela Young went from selling bracelets to friends to making clay wares for customers with her business, Earth and Ivory.
  4. Celina Okpaleke conducts a choir singing traditional African songs during an African Mass at St. Peter Claver Catholic Church in Tampa on Nov. 10. LUIS SANTANA  |  Times
    November is Black Catholic History Month, a time to learn and share stories about the intrepid and devout.
  5. St. Petersburg's single-use plastic straw ban kicks in starting Jan. 1, 2020. BOYZELL HOSEY  |  Times
    The City Council on Thursday is set to adopt some tweaks to the ordinance, including making all straws by-request-only.
  6. St. Petersburg's new 26-acre Pier District, with components that will include a coastal thicket walking path, marketplace, playground and pavilion, is nearing completion. Shown is the tilted lawn in front of the Pier head building that is being created  with Geofoam, soil and grass. SCOTT KEELER  |  Tampa Bay Times
    St. Petersburg hopes to sell naming rights in the Pier District — available for annual payments of $50,000 to $1 million for 10-year terms — to help offset taxpayer subsidies.
  7. The Pinellas County Commission moved closer Tuesday to granting a total of $20.6 million to three museums: the Salvidor Dali Museum (top), the Tampa Bay Watch Discovery Center (bottom left), and the St. Petersburg Museum of History. Photos courtesy of Pinellas County
    The Dalí Museum, St. Petersburg Museum of History and Tampa Bay Watch are on track to receive bed tax dollars for expansions.
  8. St. Petersburg police Assistant Chief Antonio Gilliam is one of three finalists for chief of the Tallahassee Police Department. Gilliam has spent his career in St. Pete but was born and raised in Tallahassee. [Courtesy of Antonio Gilliam] Courtesy of Antonio Gilliam
    Antonio Gilliam, who oversees the department’s investigative services bureau, said he couldn’t ignore an opportunity to lead his hometown police department.
  9. Northwood Plams Boulevard in Wesley Chapel has been closed for six months for sewer repair, and residents are ready for it to reopen. After a couple delays, Pasco County expects the project to be complete by the end of the week. Times File
    A Wesley Chapel reader wants to know when Northwood Palms Boulevard will reopen.
  10. Shown here are photographs of damaged parking meters along Central Avenue in downtown St. Petersburg. Those responsible for the damage were arrested Friday evening, according to city police. Times
    Three times in two weeks, police found city parking meters damaged with foam. Now a man and woman are in custody on felony charges.
Advertisement
Advertisement
Advertisement