On-Site Recycling/Reuse of Demolition Debris

Published: 16/6, 2023

Rockster R1100S tracked impact crusher saves transport costs and produces high-quality aggregate in New Haven, Conn.

As a long-lasting Rockster distributor on the East Coast, Equip Sales & Leasing Corp. has played a pivotal role in building a customer base for Rockster crushers, including a rental program for many projects. When rented, the crusher comes with a highly trained Rockster operator to assist the customer and make sure the project is executed with the highest possible efficiency.

The latest project, commissioned by the city of New Haven, Conn., called for SRC Construction to demolish a number of low-income houses in order to make room for newer and improved replacements. A longtime customer of Equip Sales & Leasing Corp., SRC is familiar with Rockster machines, and decided to go with the reliable R1100S track-mounted impactor.


Radio remote control is a standard equipment for every Rockster crusher for easy and efficient operation.

On-site recycling / On-site application

One of the main questions when it comes to demolition projects is where to put all the material. In order to minimize costs of transport and deposit of end-material some contractors recycle it on site, while others might have to transport it to another location.

For the New Haven project, on-site material recycling and reuse have proven to be extremely efficient as well as cost-effective solution. Not only are there saved costs, yet there is an added value in the very production of aggregate on-site. Recycled concrete with the feeding size of approximate 20 in (500mm) has been recycled to a 1.25-in (32mm) final product, and subsequently used for new building sub-base.

The Rockster R1100S, driven by a 380HP CAT engine in combination with hydrostatic drive system, continuously processed approximately 1,400 tons of material per day. As a result, the project took only one month to complete. And equipped with a standard magnetic separator, the R1100S helps ensured separation of rebar from reinforced concrete, resulting in clean material for the customer.


Rockster dust suppression system works magic

Another issue with the demolition site was its location in a residential area, across the street from a schoolyard where children play football daily. That made dust suppression system a must, but the Rockster R1100S was perfect for this job. No dust contaminates left the job site.”

Another big advantage of the Rockster machine for the project was its compact size, making it extremely mobile for transport from one job site to another. This was the case with this project where the crusher needed to move and due to its track-mounted system and a radio remote control it is like operating a toy.

Other standard features on the R1100S impact crusher include a vibration feeder with 2-stage prescreen, adjustable bypass chute, crusher overload protection, sound-insulated engine housing, and a central control unit with color display. All of these just add to the convenience and ease of operating a Rockster crusher. It makes it uncomplicated for the operator and less down-time, and higher and continuous performance for both the operator and customer.


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