Along with the several iconic construction projects that The Conco Companies have been involved with in California during the last couple of years, the rest of the country has also seen some pretty incredible projects completed. One example is the Smithsonian’s National Museum of African American History and Culture (NMAAHC) in Washington D.C. that just had its opening dedication ceremony on September 24th.
The design for the building was awarded to lead designer David Adjaye and lead architect Philip Freelon and their architectural firm of Freelon Adjaye Bond/SmithGroup. The firm was selected after winning an international competition that took place in April 2009 with a design that “synthesized a variety of distinctive elements from Africa and the Americas into the building’s design and structure.” Construction on the five-acre site began in February of 2012. The Clark Construction Group, Smoot Construction, and H.J. Russell & Company were joint general contractors on the project. The first African American-owned architectural firm in the U.S., McKissack & McKissack, worked on behalf of the Smithsonian and provided the project with management services. The 350,000 square feet museum has a total of ten floors with five above ground and five below and is the deepest building on the National Mall. Site work included digging an 80-foot deep foundation for the building. The first concrete was ready to be poured in November of 2012, and during work on the lower levels, a crane was used to install a segregated railroad passenger car as well as a prison tower. Both pieces would have been too large to bring as more of the building was completed. The NMAAHC was topped out in October 2014 and the steel superstructure and above-ground concrete was completed in January 2015. An architectural highlight of the museum includes 3,600 bronze-colored panels that wrap around the entire building in homage to the lattice ironwork crafted by many enslaved African Americans throughout the South. Conco’s mission is to be the best supplier of concrete services in the Western United States and to bring expertise, experience and quality to each project. We continue to upgrade and expand facilities to better serve the growing market for public works projects, commercial, parking structures, educational, and other construction development. We serve California, Washington State, Oregon, Colorado and Nevada. Sources: nmaahc.si.edu/explore/building en.wikipedia.org/wiki/National_Museum_of_African_American_History_and_Culture
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During 2015, the world was treated to an array of new construction that continues to push the envelope in terms of both size and architectural design. One of those buildings is 432 Park Avenue in Midtown Manhattan that overlooks Central Park. The new tower represents a “new generation of supertall, superslim skyscrapers,” as the pencil-thin design efficiently maximizes the confined Manhattan site.
Featuring 104 condominium apartments, the building topped out at 1,396 ft. (426 m), to make it the third tallest building in the United States, and the tallest residential building in the world. In New York City, it is right behind the One World Trade Center, which is the tallest building in both New York City and the country. The Empire State Building is now the third tallest in the city. The tower’s owner is 56th and Park (NY) and the developer was the CIM Group / Macklowe Properties. The architects were Rafael Viñoly Architects and SLCE Architects, LLP. The construction of the tower includes a 30-ft. square reinforced concrete core with 30-in. thick walls that house the elevator shafts and building mechanical services. Wikipedia reports that, “the facade, with the formed surface left as the final finish without any added facia, was poured in place from concrete using 14,000 psi white Portland cement, and cast around preassembled full-floor cages of #20 rebars with articulated steel formwork.” The 85-story building has a floor-to-floor height of 15 ft. 6 in. While most of the floors consist of 10-in. thick slabs, the upper stories have slabs of up to 18-in. thick to provide more mass and help to reduce swaying. In addition to improve stability of a building with a 1:15 slenderness ratio, “A regular grid of exposed concrete that creates an open basket from which seven “independent buildings” are separated by spaces where the building’s core is exposed to the outdoor elements.” The Conco Companies are a leading supplier of concrete services for the Western U.S. We got our start in the Bay Area in 1959 by offering clients the best value on a wide range of concrete services and products. Since that time, we have taken a leading role as one of the top concrete contractors in the region. We have four regional offices serving California, Nevada, Washington, Oregon and Colorado. Sources:skyscrapercenter.com/building/432-park-avenue/13227 en.wikipedia.org/wiki/432_Park_Avenue The Conco Companies have proudly been providing the Western U.S. premium commercial concrete services for close to 60 years. Conco was founded in 1959 by Matt Gonsalves, Gerald Santucci, Ray Santucci, Will Gonsalves, and Mel Gonsalves and first started offering commercial concrete services in California’s Bay Area.
One of the original founders and President, Matt Gonsalves, still serves as the Chairman of the Board. Throughout his long career, Gonsalves has consistently worked to advance the concrete industry. Some highlights of his accomplishments include helping to form the Concrete Contractors Association as well as serving as the President of the Building Industry of America. He was inducted into the California Building Industry Foundation Hall of Fame in 2000. Steve Gonsalves is Conco’s current President and Chief Executive Officer and under his leadership we have expanded our products, services and geographic range. He is an active member of the Concrete Contractors Association, the Building Industry of America, the Home Builders Association, the American Concrete Pumping Association, and the Engineering & Utility Contractors Association. We currently provide services to Southern and Northern California, Oregon, Washington State, Nevada and Colorado. They include professional concrete Design/Build services, concrete pumping, rebar fabrication and installation, shotcrete, and place and finish, although not all services are available in Colorado. We also provide cost-effective general contracting and turnkey solutions as well as dependable construction hauling services. The Conco pumping division is now one of the largest in the U.S., and has the expertise and resources to customize concrete pumping for even the most challenging projects. Conco Reinforcing is also one of the largest independent reinforcing steel and post tension contractors on the West Coast, with state-of-the-art rebar fabrication facilities in Benicia, CA and Rochester, WA. Contact us to learn how our extensive resources and experience can help your next project come in on time and on budget. The Conco Companies are one of the leading concrete contractors in the Western U.S. and offer a wide range of quality services and products. While we tackle projects both big and small, our experience includes providing the complete concrete package for the Levi’s Stadium along with other notable projects. We serve California, Washington State, Oregon, Colorado and Nevada. If you want an opportunity to see our highly-efficient Conco crews at their best, take a look at our time-lapse video of the 4,620 cubic yard mat pour for the 970 Denny Way project. The mixed-use redevelopment project in Seattle, Washington is being developed by the Holland Partner Group, with Holland Construction acting as the general contractor.
The 970 Denny Way mat pour took place on July 23rd and was done over approximately 15 hours. Our crew started at 2:00 am and finished around 5:00 pm. The job took 4,620 cubic yards of concrete to form the 15,300 square foot mat foundation for the new 40-story apartment/retail building. In addition to the concrete, the foundation also used 1.3 million pounds of rebar. All of the ready mixed concrete was supplied by CalPortland. Our video adeptly illustrates the kind of teamwork required to get such a large job done in a relatively short amount of time. Now that the mat pour is complete, construction on the South Lake Union neighborhood building has begun in earnest. Once it is finished, the building will feature 468 apartment units in various configurations, 15,580 square feet of retail space, and four levels of sub-grade parking. The core of the building will be constructed using 386 steel fiber-reinforced concrete coupling beams. Our website and YouTube also have a selection of other mat pours that we have completed over the last several years. One of our time-lapse videos is for an impressive 12,000 cubic yard mat pour for a new skyscraper under construction in the heart of the financial district of San Francisco. This massive pour was completed over the course of 16 hours. Along with the help of 7 concrete boom pumps, the project went off without an accident or any problems despite the challenging logistics and setting. At The Conco Companies, we are one of the leading concrete contractors in the Western U.S. and offer a wide range of quality services and products. Our experience includes providing services for commercial, educational, parking and other construction development as well as public works projects. We serve California, Washington State, Oregon, Colorado and Nevada. The Conco Companies provide concrete services for the flourishing Seattle and Bellevue construction markets. Some of these projects have included “green” sustainable features, mixed-used residential/retail construction, and unique architectural features.
We have worked on several projects in the fast-growing Denny Triangle and South Lake Union areas in Seattle, WA. If you are unfamiliar with the Denny Triangle area, it is the site of Amazon’s headquarters and where two new Amazon office towers were recently finished with another scheduled for completion by the end of the decade. The company is also constructing three intersecting biospheres at the site that will offer 65,000 square feet of green space for employees to work and socialize in a natural park-like setting. The largest of the spheres is 95-feet tall, which is about the height of an eight-story building and 130 feet in diameter. One of the Denny Triangle projects we are involved with is the Kinects Tower. It included constructing four levels of below grade and five levels of above grade parking for a total of 316 parking stalls. We also did a 6,000 cubic yard concrete pour for the 145’x120’x9′ and just over 500,000 sq. ft. size PT slab that was reinforced with 850,000 lbs. of rebar. The 41-story tower is a unique, wedge-shaped building that gets progressively larger on each floor with an enclosed, four-season pool on the roof. Due to the sustainable features of the apartment building, it has already been awarded LEED Silver Certification. Units will be ready for residents in July 2017. Another project we recently finished in Bellevue, WA was the Main Street Gateway complex. Awarded the turn-key structural concrete package, we provided all of the pumping, place and finish, shotcrete, and formwork for the mixed-use project. We also supplied the reinforcement that was installed by RPM. The project includes an underground parking lot for about 600 vehicles and also several electric vehicle charging stalls. Conco is one of the leading suppliers of concrete services for the Western U.S. We got our start in 1959 in the Bay Area by offering clients the best value on a broad range of concrete services and products. Since that time, we have taken a leading role as top concrete contractors in the region. We have four regional offices serving California, Oregon, Nevada, Colorado and Washington. With an original opening date of 2012, later moved up to 2015 (and missed), we are now being told that as August 2016, the Louvre Abu Dhabi museum is now 95% complete. Located on the Saadiyat Island in Abu Dhabi, UAE it has been announced that the museum will be finished in late December or early 2017 with an opening date sometime in 2017. In terms of ambitious architectural design there is good reason why the Louvre Abu Dhabi has taken so long to complete. Designed by the French architect Jean Nouvel, recipient of the highest architectural honor, the Pritzker Prize, the 260,000 sq. ft. structure is expected to have a final cost between €83 million and €108 million (U.S. $120 million). To complete Nouvel’s “Rain of Light” vision, the dome’s approximately 1,855-foot circumference is constructed as a giant jigsaw puzzle that took over 30 million man hours and 424 days to complete. And that does not count the underside of the dome’s cladding. One of the 7,850 stars that form the eight layers of the Rain of Light installation is over 160 square feet and weighs almost 915 pounds. The walls of the structure required 4,680 panels of ultra-high performance, fiber-reinforced concrete that used a matrix of glass fibers instead of steel to increase its compressive and tensile strength. Since the museum will be constantly exposed to sea water as it sits right on the edge of the Arabian Gulf, this type of concrete offered minimal shrinkage and impermeability. Another feature includes the roof that “sits on top of four towers that have been carefully concealed inside the museum buildings, creating the illusion that the whole 7,000-tonne structure is hovering in mid-air.” The museum, which is accessed by boat, will eventually be joined by two more museums, the Zayed National Museum and the Guggenheim Abu Dhabi, as part of the new Saadiyat Island Cultural District. Along with the Louvre’s 23 permanent galleries, it also has space for temporary exhibits as well as a research center. In addition to the cost of the museum, the country of Abu Dhabi also paid $525 million to be a part of the Louvre name along with an additional $747 million to receive art loans, special exhibitions and management advice. The Conco Companies are one of the foremost suppliers of concrete services for the Western U.S. We got our start in 1959 in the Bay Area by offering clients the best value on a broad range of concrete services and products. Since that time, we have taken a leading role as top concrete contractors in the region. We have four regional offices serving California, Oregon, Nevada, Colorado and Washington. Sources: archdaily.com/793182/in-progress-louvre-abu-dhabi-jean-nouvel thenational.ae/uae/tourism/louvre-abu-dhabi If you have not had the chance to take a look at The Conco Companies’ website in a while, you may be unaware that we now offer an expanded range of services designed to provide clients with cost-effective solutions. In fact, when you work with Conco, you are working with a company structured to expertly meet all the concrete needs of your next project.
Our extensive background in a broad range of commercial concrete projects has given us the expertise to evolve into a full service provider to the construction industry. Conco now proudly offers professional Concrete Design/Build, general contracting and turnkey solutions along with all of our other excellent concrete services. When you take advantage of our concrete Design/Build services, we will construct a concrete structure for you without the additional cost of hiring an architect or other contractors. Also your project will be guaranteed the services of Conco’s high-quality formwork, rebar fabrication and installation, place and finish, shotcrete, and pumping. Our team recognizes that tight construction schedules demand coordination between building trades in order for a project to be successful. By hiring Conco as your general contractor, it means we can coordinate our crews to provide joint management of rebar and concrete services with a focus on the best end result. This holistic approach mitigates the problem of work delays and work stoppages in cases where subcontractors may have committed crews and resources to their other projects. Just a single day delay can cause interruptions down the road if subcontractors have conflicting work schedules. With Conco in charge, we are immediately aware of the problem and have the flexibility to accommodate customers by shifting crews around to keep projects on schedule. Remember that concrete cannot be poured until the rebar is finished and inspected. Crucial delays between rebar and concrete are better controlled when one company is in charge of both of the jobs. Conco is a leading supplier of concrete services for the Western U.S. and got our start in the Bay Area in 1959 by offering clients the best value on a wide range of concrete services and products. Since that time, we have taken a leading role as one of the top concrete contractors in the region. Our offices serve California, Colorado, Oregon, Washington and Nevada. The Conco Companies are the premier commercial concrete contractors for the Western United States and offer exceptional services to clients in the Reno, Nevada area. We bring our vast experience to projects both big and small and offer the unique perspective of executing innovative, cost-effective solutions. In addition we have earned a reputation for delivering projects on time and on budget, and do so by utilizing state-of-the-art equipment and modern, technologically advanced facilities to serve our growing markets.
For each of our projects, Conco’s team of highly skilled professionals collaborates and partners with clients starting in the pre-construction phase right through to the finished product. Our portfolio includes many of the most notable and challenging projects constructed throughout the West over the last several decades. Our extensive experience includes multi-residential, educational, healthcare, parking structures, and industrial construction as well as public sector work. Furthermore, our fleet of modern, up-to-date boom pumps and equipment allow us to provide the safest, most efficient concrete pumping for even the most challenging projects. All of our concrete pump operators are ACPA certified and adhere to the highest industry safety standards. We are proud of our pumping division’s excellent safety record and work every day to make sure we keep it. Much of Conco’s success can be attributed to our willingness to advance and implement the latest concrete industry’s methodologies and techniques. We also continue to invest in state-of-the-art equipment to do the job more cost-effectively as well as to purchase equipment that helps to reduce emissions at the jobsite. In addition our entire workforce is routinely trained in the latest safety regulations and protocols. Please visit our website for contact information, and while you are there, take a look at our featured portfolio of projects for examples of the scope of Conco’s experience. The Conco Companies’ mission is to be the best supplier of concrete services in the Western United States and to bring expertise, experience and quality to each project. We continue to upgrade and expand facilities to better serve the growing market for public works projects, commercial, parking structures, educational, and other construction development. We serve California, Washington State, Oregon, Colorado and Nevada. The Portland Cement Association (PCA) states that, “Aggregates strongly influence concrete's freshly mixed and hardened properties, mixture proportions, and economy.” Furthermore, while choosing the proper aggregate in a concrete mix is important, the type of aggregate used affects the concrete more while it is wet than once it has cured.
Concrete mixes are made up of aggregate, cement, water, and sometimes chemical admixtures. The aggregate’s size or type of stone used in the mix can impact the strength, durability, workability, hardening, and ultimately the cost of the concrete. It also accounts for up to 60 to 75% of the volume and 70 to 85% of the weight. Most aggregate comes from sand, gravel or crushed stones and helps to determine the amount of cement paste added to the mix, which is the most costly part of concrete. Before the aggregate is ready to go into the concrete, it is put through a cleaning and grading process. Fine aggregate is usually defined as a mix of natural sand or crushed stones with a majority of particles smaller than 3/16th of an inch or 5mm (although sometimes it is defined as less than 4.75mm). For coarse aggregate, the crushed stones or gravel particles are usually larger than 3/16th of an inch or 5mm (or larger than 4.75mm.). Aggregate used in concrete is derived from natural sand or gravel pits, rivers, seas or lake beds, hard-rock quarries, and underground mines. If the gravel used in an aggregate is extremely rough or irregularly shaped, it will require that more water and cement be added to the concrete mix for a proper consistency. During our many decades in the industry, The Conco Companies have encountered and successfully used a variety of concrete mixes including “green” concrete. See our website to learn more about our large portfolio of projects. At Conco, we are one of the leading concrete contractors in the Western U.S. and offer a wide range of quality services and products. Our experience includes providing services for commercial, educational, parking and other construction development as well as public works projects. We serve California, Washington State, Oregon, Colorado and Nevada. Source: cement.org/cement-concrete-basics/concrete-materials/aggregate As one of the nation’s largest commercial concrete contractors, The Conco Companies are looking to enhance our Southern California growth strategy with the addition of a Business Development Manager. We have an impressive portfolio that includes projects ranging from $1 million to $150 million in both the private sector and public works. In addition Conco’s reputation for high-quality concrete construction allows us to become a select trade partner for many of our clients. Our expertise includes handling projects from the pre-construction phase all the way through to a successful finish.
The objective of the new manager will be to lead business development efforts in Southern California. He/she will coordinate the preconstruction phase and target various markets including High Rise, Mid Rise, Podiums, Parking Structures, Stadiums, Health Care, Education, Commercial and Retail Spaces, Hospitality, and other select markets as assigned. The position will be used as a way to champion our firm’s exceptional services and to bring new business opportunities into the company. Some of the responsibilities of this exciting new position includes: promoting the services of Conco to customers as well as to decision makers within the construction industry; and to identify and assist in developing strategies to ensure our success with potential business opportunities. Also the Business Development Manager will seek out business opportunities including turnkey packages and special projects. The majority of their time will be spent making contacts with developers, general contractors, architects, and engineers. Qualifications include excellent organizational and presentation skills, strong technical skill regarding the concrete industry, and knowledgeable in A/E/C/ industry terminology and delivery methods. Applicants should have a Bachelor’s degree and 15 years of experience in the concrete construction industry. Please see our website for the complete job description, responsibilities, and qualifications. Conco’s mission is to be the best supplier of concrete services in the Western United States and to bring expertise, experience and quality to each project. We continue to upgrade and expand facilities to better serve the growing market for public works projects, commercial, parking structures, educational, and other construction development. We serve California, Washington State, Oregon, Colorado and Nevada. |
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