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November 30, 2023by The Conco Companies

SACRAMENTO, CALIFORNIA – The American River Bridge on the Capital City Freeway connects commuters to medical centers, employment opportunities, and activity hubs in downtown and eastern Sacramento. This multi-span, 1.5-mile bridge was constructed in 1954 and widened in 1965 to six 12-foot northbound and southbound lanes, with minimal inside and outside shoulders.

  

Today, the bridge has a deteriorated concrete deck that is in need of repair and in need of additional lanes to allow pedestrians to cross the American River. Because of this, the California Department of Transportation (Caltrans) spearheaded a $200 million bridge rehabilitation project that includes removing and replacing the existing concrete deck, widening the bridge, and adding a bike and pedestrian path.

Construction began in 2022 and is expected to be completed in 2026. Conco Pumping began working with American River Construction (ARC) to pour the four piers for the bridge that are located in the American River in late 2022 and expects to begin pouring the new deck in late 2023 or early 2024.

 A difficult setup

Due to financial considerations, the project required ARC to install floating work platforms, or barges, to facilitate construction activities within the river. To accommodate this unusual setup, ARC selected Conco Pumping as their concrete pumping contractor. Conco chose two Putzmeister boom pumps for this complicated project: the 39Z-Meter truck-mounted concrete boom pump and 38Z and 36M placing booms that were used in different phases of the job.

ARC and Conco set up the Putzmeister placing boom equipment on a barge and pumped across a 700-foot gangway built between coffer dams from a trussell with a 39Z boom truck equipped with Putzmeister’s high performance pump kit. The 39Z is equipped with the 13 HPD pump kit and was chosen due to its robust design to withstand high-pressure high-rise job site conditions, as well as long-distance pumping that was required for this project.

A close partnership

ARC engineers collaborated with Putzmeister’s engineering department to design and implement a specialized setup, attaching the placing boom to the barge. Once Conco and ARC received confirmation that the plan was viable, it took approximately six days to construct and set up the equipment on the custom-made framework on the barge.

Another challenge faced by Conco and ARC involved building around 700 feet of pipeline to facilitate the concrete pumping from the trussell to four different pier locations. Con Forms provided a delivery line comprising a robust 5-inch, 0.25-inch thick pipe, heat-treated for a high-pressure rating and low wear resistance. Con Forms also supplied all the necessary clamps, hold-down brackets, and diverter valves required to couple and anchor the delivery line to the trussell and gangway, connecting the concrete pump to the placing boom.

Concrete Pours

The Conco ARC team successfully executed three pours for each of the four piers. The initial pour involved a 150-yard slurry seal at the base of the coffer dam, facilitating dewatering and creating a dry area for footing construction. The second pour comprised an 180-yard footing application. The third and final pour necessitated approximately 350 yards of concrete for the pier wall, executed at a continuous rate of around 30 yards per hour over 12 hours starting at 1 am to achieve a consistent flow of ready mix. Undertaking the work during the nocturnal hours capitalized on lower temperatures, thereby reducing the concrete’s set time within the pipeline.


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Conco is currently working on THE CONFIDENTIAL: a 29 story, cast in place tower in Seattle’s Belltown neighborhood. Partnering with Exxel Pacific as the General Contractor, Conco is helping to bring this mixed-use building to completion by providing concrete pumping and placing, shotcrete and reinforcing. With over 22,000 CY of concrete planned to be poured, we anticipate topping out the tower in November of 2023. This project will demand over 4 million pounds of rebar that we will fabricate at our state-of-the-art rebar facility in Rochester, WA. In the end, THE CONFIDENTIAL will contain 375,000 square feet of deck and we are thankful to RPM for their support on the rebar installation and Cadman for their readymix supply.

As noted by Superintendent Bill Lessard, “This crew came off of what could be called a mega project at Building X (a Facebook project) so it’s kind of nice to get back to the basics of a rinse and repeat tower while they’re still firing on all cylinders.  It’s a great crew, the core of which have been together 8 years. It’s always a privilege and a pleasure to be charged with such a competent crew who work so well together”.  This is the third tower project for Bill with Conco, and the whole team benefits from his expertise.

   

 Left: Spencer Jones (Carpenter), installing elevator embeds. Right: Jon Estrada (Carpenter) and Desmond Upulasi (Laborer), pouring columns. Photos by Jacob Christian, General Foreman.

THE CONFIDENTIAL, inspired by the work-from-home impacts of the pandemic, will feature larger units that have dedicated workspaces. Most units will also have a balcony for outside space. This unique approach will result in less occupants of the building and the hope is that it will encourage a sense of community amongst the residents. Developed by Security Properties, this project will contain four levels of below-grade parking in addition to the 29 levels of mixed use above; including commercial/retail, additional parking, office, residential and amenity levels. This building is sure to be a fantastic addition to the Belltown neighborhood and Conco looks forward to this next project with Exxel Pacific!


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The Conco Companies has been hard at work on The Port of Vancouver Terminal 1 project in Vancouver, Washington. This project is a mixed-use development that will include office, retail, and hotel spaces. The building consists of 120,000 square feet of slab on grade with a 5-story parking garage. At Level 6, it splits into two towers that will be connected by a skybridge.

 

 

 

 

 

 

 

 

Photo taken April 14, 2023

 

Another turn-key project for Conco, we are providing reinforcing, formworks, concrete pumping, place and finish work, and shotcrete as well. For this project Conco will pour 711,390 sq. feet of deck on this project, which is anticipated to be completed in September 2024. There will be more than 8 million pounds of rebar placed on this project, in addition to almost 392,000 linear feet of cable and 35,370 cubic yards of concrete.

 

 

 

 

 

 

 

 

 

 

 

 

 

Photo taken January 13, 2023

 

Jeremy Bacon, Project Manager at Conco for 9 years, says “The most interesting part of this project to me is the design. As part of that design, board formed columns, walls, and exposed concrete beams along the south and west sides of the building will highlight Conco’s craftmanship in the area for years to come.”

 

 

 

 

 

 

 

 

 

 

 

 

Jeremy Bacon (L), Paul Gannon (M), Kevin Clark (R) , Project Leadership for the Port of Vancouver Terminal 1

 

The Port of Vancouver, Terminal 1 takes up two city blocks and is over a spread of 120,000 sf. The project will be split into two separate towers after the parking Levels are complete. To meet the scheduled durations, Conco has two crews performing work at the same time. Scheduling and coordination between two separate crews, the GC and MEP subs takes a lot of effort.  Kevin Clark, General Foreman for this project praised our crews by saying “Manpower management has been a great accomplishment between foremen of all the trades. Daily meetings between the trades have allowed for effortless teamwork. We all know each other’s goals which helps to maintain continuity on the project. Robertson and Olson’s Superintendent, Todd Howem has been a huge help coordinating all of the subcontractors. ”

Paul Gannon is the project Superintendent for The Port of Vancouver Terminal 1 and has worked for Conco for 10 years. He found the most interesting part of this project to be “The sheer size of the building! That, coupled with the amount of rebar that has been placed, especially in the foundations, is really something.” Paul also felt that the scheduling of this job posed a challenge but said that “A unique accomplishment of this job was maintaining the schedule while basically building two buildings at the same time! The transitioning of foundations to slab on grade and then into elevated decks was challenging on this large footprint.”

When this project is complete ZoomInfo, a Vancouver-based company, will move into both towers of Terminal 1, making the location it’s global headquarters.

 

 

 

 

 

 

 

 

 

The architects on this project are DLR Group and West of West Architecture & Design


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Ramona Metro Point – A Transit Oriented Development

 

 

The Conco Companies has been working on Ramona Metro Point since November 2022. This project, developed by Community Development Partners, is another affordable housing project that Conco is proud to be a part of.  Working with Walton Construction, Conco is providing reinforcing, concrete pumping, place and finish, as well as shotcrete services. This project is anticipated to finish on April 2, 2023 and will bring 50 affordable housing units to the area.

Ramona Metro Point is a 4 story, wood-framed, transit-oriented development in El Monte, CA.  Its unique horse-shoe design optimizes both style and function for the much-needed low-income housing in the area.  The development, along with many others for which Conco assists, are part of the massive strive to accommodate and combat the housing crisis which exists within the general Los Angeles Area.  Conco has taken every opportunity to expedite the construction schedule, doing our part in this life-improving effort.

Nearly half of the units at Ramona Metro Point will be specifically designated to house families of El Monte Unified School District that identify as homeless.  Coupled with social services and educational classes it will provide, Ramona Metro Point is designed to make a positive impact on the community.

 


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COSM Hollywood Park Boasts 26.6-meter Diameter LED Dome

 

The Conco Companies is currently working on COSM Hollywood Park with Webcor. Built in the shadows of the new So-Fi Stadium, and designed by HKS, this 3 story Entertainment Venue will be the first of its kind in the Los Angeles Area. As part of Hollywood Park’s retail district, the venue will showcase a gigantic LED dome to display live sports and entertainment, experiential events and content, immersive art, music, and more, all in much higher definition than has been brought to similar venues in other parts of the world. This will be a great addition to the expanding Inglewood community, rapidly becoming iconic for its entertainment experiences!

Conco began work on COSM Hollywood Park in November 2022. Providing rebar, concrete pumping and place and finish services throughout the project, we look forward to seeing a finished product in July 2023. When finished, The Conco Companies will have poured a total of 3,100 cubic yards of concrete on top of 360,000 pounds of rebar. The total square footage of deck will total 80,000 square feet!

 

 


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