INTERVIEW - Caravella Demolition - Although John Caravella’ s schedule is hectic, he was able to give us his time to conduct a short interview about one of their bigger projects that included demolition and recycling on-site with the Rockster R1100DS closed circuit impact crusher.
PARIS - One of the buildings at a former Saint-Vincent-de-Paul hospital in the 14th district of Paris has been successfully demolished to make room for a temporary experiment in developing a future eco-district. Rockster’s R1000S track-mounted impactor has been chosen as on-site crusher to efficiently process construction and demolition waste.
Recycling construction/demolition waste with a Rockster R700S impact crusher to a 0/35 final product. Further on ist the end-product screened with a RSS410 scalper to a 0-2 mm as pavement beedding and 2-35 as mineral mix for substructure.
Since the middle of the year, the company Oehlrich Naturstein & Service GmbH located southeast of Bremen, Germany has been using its new Rockster R700S track-mounted impact crusher to process construction debris. To say the least, the Oehlrich team was particularly impressed by the versatility and flexibility of this crusher.
For over a decade Perry has brought and provided an immense expertise from mining
and recycling industry into Rockster sales team.
First in charge of the South American and Spanish market, as of last year Perry
has taken over a new challenging role to expand Rockster's presence in North America.
After almost 20 years of experience in recycling and processing material with a stationary crusher, Kober Transporte GmbH decided in the middle of this year to invest in a brand new Rockster R1000S track-mounted mobile impact crusher. The crusher will optimize their daily work load and most importantly produce a clean and high-quality end product.
Located in Styria, better known as the “green heart of Austria”, Happenhofer Bau GmbH has its recycling center and gravel quarry where construction waste such as brick, concrete, and asphalt as well as gravel are recycled and/or processed. Rockster R800 track-mounted jaw crusher is the latest edition to their fleet and is mainly used to recycle previously mentioned demolition waste as well as to produce an optimal gravel mix (0/70mm) for road-base. At the heart of it all is honest work, sustainability, and green future for all.
Zeković Company Doo ist eines der größten Bauunternehmen Montenegros und hat seinen Hauptsitz inmitten der Bergregion Durmitor, in der höchstgelegensten Stadt des gesamten Balkans – namens Zabljak. Mit über 40 Mitarbeitern deckt das Unternehmen die Hauptgeschäftsfelder Hochbau, sowie die Instandhaltung und Entwicklung der Straßeninfrastruktur ab. Vor Kurzem hat Zeković den Auftrag zur Umsetzung eines Großprojektes erhalten, auf 1.450m Seehöhe soll in der bergigen Region Durmitor ein neues Hotel gebaut werden.
At the beginning of 2021, Gerhard Off GmbH, from Fellbach in Baden-Württemberg has decided to invest in the 30-tonne R1000S impactor after 10 years of crushing with a Rockster R900. Due to a growing business that demands a more powerful machine it was easy to decide what is the next step to take. Because of a proximity to Schlei & Birkert, a Rockster Dealer for South Germany, and a decade long crushing experience with a Rockster, the new R1000S was the perfect fit.
Rockster's Swedish Sales Partner Niklas Johansson of Biocare Svenska AB, has introduced Rockster mobile crushers to Haga R.O.T. with a lot of success. The company has been in the crushing business since 2008 and during this time they have acquired a valuable knowledge in terms of what works and what doesn`t when it comes to mobile crushers. Both Haga R.O.T. and Biocare Svenska have a long history of working together.
The Burkinabe mining specialist Tropig Mining & Quarry has been using a Rockster R900 impact crusher since 2008. To significantly increase limestone processing, a brand new R1100S closed circuit impactor has been added to their machine fleet in autumn 2020. "We produce about 300 tons per hour of fine limestone 0/32 mm and can sell it to cement manufacturers very well,” says CEO Al Hassane Sienou.
Alakona Corp from Honolulu relies on Austrian Engineering to process RAP and coral with their new R700S Rockster portable crushing plant. It was a logical step for Alakona to put emphasis on the recycling business, as natural rock isn’t gonna be there forever. Sustainability is the key factor. They chose a Rockster crusher because of a grand diversity of options and the hydrostatic drive system.
Since summer 2020, Rockster's R1100DS impact crusher has been surrounded by emerald green mountains and has been the perfect contract crusher for Kebao Construction Machinery Leasing in Chongqing, China. Above all, the easy transport, the excellent crushing performance and the hydrostatic drive were decisive for the Chinese customer.
Since February 2020, the R1100D impactor with screen box and return belt has been creating valuable aggregate for CSB Mobile from Casablanca. The easy handling and good performance of the crusher as well as the possibility of processing various materials were key criteria for the purchase.
The number of demolition projects has been increasing steadily over the years, and the disposal of construction waste has become more and more expensive. The next logical step for Martin Meier Erdbau from Velburg, in the Upper Palatinate area of Germany, was the purchase of a mobile crusher so that the demolition material could be recycled anywhere and at any time. It was an easy and quick decision for the entrepreneur: The Rockster impact crusher R900.
The Rockster impact crusher R1100DS offers an efficient solution with screen box and return belt, which enable a closed circuit for precisely definable final grain. Mjolnir Construction owner Thor Norgaard has set up two new construction waste recycling sites, one in Portland and one in Tolland, Connecticut for his new crusher. In addition to these two recycling sites, his mobile crushing plant is also available for recycling projects on site.
In early 2020, Anton Sedlmaier GmbH from Starnberg in Bavaria decided to purchase the 30-tonne impact crusher R1000S. The first location is a large-scale project in the center of Tutzing, demolition and processing of a 6-story company building - 36,500 tons of highly reinforced construction debris were processed.
With a processing capacity of 80,000 tons of construction waste per year and a recycling degree of 98%, the precept "avoidance and recycling before landfill" is consistently implemented at Bauhof Deutschlandsberg. The Rockster impact crusher R1000S has been the centerpiece of the company since early 2020 and provides valuable services in the production of high-quality RC building materials.
Successful introduction of the second machine type in series production at the new headquarters. In the course of the new production, the control system was also revised and the quick start function for the mobile impact crusher R700S and the material feed monitoring system were installed.
Demolition of concrete structures contains a large portion of high-quality building materials that can be recycled. To return these resources, the demolition is first processed in recycling plants such as mobile crushers, so that it can then be returned to the building material cycle as recycled aggregate. Dr. Sonnenberg from the magazine "Beton" explains in an interesting and descriptive report how concrete is processed, what's important to take care of and how it can then be used again as a building material.
The COVID-19 situation affects us now worldwide. It also demands that we all take the responsibility and cooperate together in order to deal with this exceptional situation, as quickly as possible. In these special times, the most important task for us is to take the necessary precautions for health and safety as well as to make sure that the business for our customers and ourselves continues as smoothly as possible. In the next few months, we will implement measures that are more flexible and unique, which will guarantee the safe continuation of production and delivery of spare parts.
For processing contaminated track ballast of the German railway company and construction waste the Bavarian recycling specialist Richard Forster purchased a mobile crusher from Rockster. "Performance and material quality are really excellent, the composition of fine and coarse fraction is exactly right for our customer requirements. The attached air blower also works perfectly. It has the optimal suction to blow away non-aggregate materials such as polystyrene, textiles, wood parts, plastic or ytong parts."
Reliability pays off. The Slovenian construction company AGM Nemec has been a satisfied Rockster R900 customer for almost a decade and, thanks to up-and-coming business, has now invested in the next impactor - the track-mounted mobile impact crusher R1100S.
The main argument for another Rockster impact crusher was the unbeatable output. I also tested equipment from other manufacturers, but in case of crushing performance this machine is one step ahead of the others.
The first impact crusher, R1000S from the new ROCKSTER HQ in Neumarkt in Mühlviertel (Upper Austria) is already working hard in Styria. Together with the Rockster scalping screen RSS410, the duo proves to be an extremely efficient combination in the processing of rubble and natural stone.
It's time! The first impact crusher R1000S from the new ROCKSTER manufactory in Neumarkt im Mühlkreis is ready and will celebrate its premiere at Hopf Bagger KG in Styria.
Since the middle of the year, Rockster Austria International GmbH has owned a 10,000 m² company premises in Neumarkt im Mühlkreis to establish its own production of the innovative Rockster crusher series. Producing such a technologically sophisticated machine is a special challenge.
Titan Enterprises is a large construction company in Virginia and acquired a well-equipped recycling site in Myrtle Beach, South Carolina which gives the company an opportunity to make their own construction material. With their new Impact Crusher R900 and their Scalping Screen RSS410 concrete is mainly recycled on-site and later re-used for their own projects.
Since 2016, the track-mounted impact crusher Rockster R1100DS has been a valuable asset in processing asphalt, building rubble & gravel at Urschitz and has meanwhile produced 500,000 tonnes of material in various recycling and processing projects from East Tyrol to Carinthia.
The new Supermétro is a megaproject in the French capital, the tunnel boring machines are massively pumping up soil and rocks and the rubble from old buildings has to be processed. To conserve natural resources and create an efficient material cycle, construction waste and old asphalt are recycled using a Rockster R1100S impact crusher.
On an area of 23,000 m² the old factory buildings of “KOMBINAT” in Voronezh need to be demolished. It is a grand project the new Rockster customer in Voronezh, a domestic private demolition company, which bought a new Rockster jaw crusher R800 in April 2019.
Thanks to the excellent performance of their R1100D impact crusher, which was acquired in 2016, company “Mayrhofer Erdbewegungen GmbH” from Neumarkt am Wallersee (Salzburg) purchased the advanced impactor model R1100S from Rockster Austria International GmbH.
The Swedish recycling company Swerock puts a great deal of emphasis on the efficient reuse of construction waste. With the addition of a new R1000S to their fleet, Swerock contributes to a reduction of the environmental impact and supports a resource-efficient society.
Continuous expansion, high quality standards as well as short delivery deadlines made such a step necessary for the manufacturer of mobile crushing and screening machinery, Kormann Rockster Recycler GmbH from Ennsdorf. The acquisition of a 10,000 m² property in Neumarkt im Mühlkreis (Upper Austria) promises to provide a strong and needed force in a continuous growth and market demand.
In an era where sustainability is a priority, how has the market for concrete processors grown and what is the fate of the final product? What are the main novelties Rockster brings to the market for Recycling of Demolition Waste?
Expansion of the D&R division at Herbst in Austria with Rockster's R1000S track-mobile impact crusher and its integrated air blower
At the Bauma 2019, Rockster not only presented its diverse range of products, but also immersed the visitors in new fields of interest.
Rockster impact crusher R700S does a great job for the earthmoving and transport professional Wagner in Tyrol and convinced with performance and its optimal transport dimensions.
At the BAUMA, ROCKSTER presents R1100DS, its most powerful mobile impact crusher with the state-of-the-art emission technology
Over 9000 operating hours with an average performance of 150 tonnes per hour (170 st/h).
The Rockster R1100S proves itself every day in road construction in the Turkish province of Gaziantep.
And that to the complete satisfaction of the customer.
Rockster Recycler has developed a air blower retrofit kit for all Rockster crushers. With relatively little effort, the final material be significantly increased in value.
International Earth Day is celebrated on 22nd of April to encourage awareness for the balance of economic, social and environmental needs of present and future generations of humanity.
The use of Rocksters track-mounted stackers helps to minimize operating costs while maximizing landfill capacity.
By using the patented Rockster DUPLEX system with jaw and impact crusher on one basic machine, the Casaccia gravel quarry at the base of the ‘Maloja Pass’ in Graubünden (Switzerland) can quickly and efficiently meet the diverse requirements of its customers.
A reliable, flexible and compact crusher without too much electronics and high output was Michiels’ demand for their new crushing plant, which is mainly used to produce 0-40mm final grain, delivered to construction contractors for for road construction and different base layers.
The P.B. Mining Company in Tanzania chose the “2-in-1” machine for crushing this highly abrasive rock "Galena" and saving acquisition, wear and transport costs by using the DUPLEX-system.
The impact crusher R1100DS shows its strengths in the largest limestone quarry in the province of Mardin in South-East Turkey crushing limestone with edge lengths of up to 700mm to 0-35mm final grain for the use in road construction.
Rockster’s R1100D working in Bermuda where they build a new airport terminal. This job included crushing ~ 100,000 cubic yards of excavated material, which mainly consisted of a sandy coralline mixture with high strength concrete from the taxiways.
Contractors, landscapers, construction/concrete or aggregate recycling and road building companies could check out the performance of Rockster's portfolio.
The Rockster R700S is the perfect crusher for this challenging jobsite on a sea level of 2,800 meters where it’s used to process asphalt for maintenance and repair work on the mountain.
A highlight every 3 years - the trade fair in the active basalt quarry! The Steinexpo customers showed great interest in the new R1000S impact crusher, which was live in action crushing concrete.
Show Parcours at Apolczer in Germany with various construction machines and the Rockster impactor R1000S as highlight showing its strength in crushing demolition debris.
The new impact crusher fills the requirements of the customers to an increased operating and safety comfort and includes a variety of refinements.
Rockster's DUPLEX system was the convincing argument for the customer, in the future it will considerably expand his variety of potential jobs.
After 10 years and about 8000 operating hours, it was time for a new investment - the customer's choice was once again the well established R900 impact crusher.
Rockster impact crusher R900 was adapted to special customer requests for the crushing of coal in the port of Latvia.
Johannesburg's official waste management service provider Pikitup uses the Rockster R700S crushers to produce recycled material for road construction and various other projects. Landfills should be minimized, and processes where recycled material can be immediately reused shall be implemented.
5,000 tonnes of concrete per week are processed with Rockster's R1100D and crushed to high quality 0-32mm final grain. This material is reused for stabilization and fillings in road construction.
To build a storage reservoir with about 70,000 m³ capacity and a pumping station, the Rockster impact crusher R900 was used to process all of the rock excavation material recovered from greywacke shale on the jobsite located 1,600 m above sea level.
Fix Recycling has equipped his Rockster crushing plant with a belt weigh scale and can thus offer his customers an hourly rate per tonne very straightforward - because the motto of the company is "Fair Billing creates good customer relationships".
The company Thanner is specialized in recycling of asphalt and construction waste as well as forestry construction. They often need to go up to 1,800 meters on narrow forest roads with their machinery. No problem for the compact impact crusher R700S, which processes the material for road construction on site for immediate use.
For the first time recycled asphalt and concrete were crushed directly at the jobsite and reused immediately for road construction. In this case it was essential to have the additionally attached dust suppression on the main belt of the mobile impact crusher R700S.
The World Demolition Award is one of the most respectable awards worldwide, concerning the Demolition and Recycling Industry. Rockster's new R1100DE Hybrid Impact Crusher is nominated in the category "Innovations - Serial Product".
Giant "Semmelrock" construction site with concrete recycling of 300-400mm feeding material crushed to 0-16mm final material with the Rockster R900 impact crusher including screening system. The perfectly defined final grain in one pass.
Hard test for the DUPLEX system: Change from jaw to impact crusher and vice versa in one day to crush very hard, contaminated river gravel (0-500 mm) and production of high quality, cubic final grain 0-25 mm.
France sets a signal against elephant poaching and crushed tons of ivory seized by French customs with the Rockster Hybrid Impactor R1100DE - a great event in front of the Eiffel Tower.
In the world of mobile crushers electricity is not often available, so Rockster has implemented the strengths of an electric motor in a hybrid solution. The diesel engine operates nearly constant at optimal speed to drive the generator for the electric motor.
Constant performance and ideal adaptation to the power requirement thanks to the hydrostatic drive!