Quai de transfert d’ Aubervilliers Plaine Commune, France
+ 1(519) 500 8176
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Quai de transfert d’ Aubervilliers Plaine Commune, France
Modulo béton Canada Ltd.
11 Bronte Road, unit 107
Oakville, Ontario L6L 0E1
T: +1 519 500 8176
A new approach to recycling depots
The waste and recycling depot is a fixture of Canadian waste man-agement. Depots come in all shapes and sizes, from a few bins scat-tered around a muddy yard to large above-grade saw-tooth design facilities. They offer residents the ability to dispose of recyclables and wastes directly into bins. In most cases the types of recyclables that can be dropped off are much broader than what can be left at the curb, and can capture a significant amount of recyclable materials.
In Canada, depots tend to be the mainstay of smaller municipalities that, in some cases, don’t have curbside collection. However, they’re also used by larger municipalities to provide residents a place to bring materials in between collection days, as well as handle recyclables for which there are no curbside programs.
All current depots are designed as one-of-a-kind systems that incur the costs of site-specific engineering and construction, commensurate with size and sophistication.
Modulo-Béton, of France, has developed the patented Modulo Centre, modular depots using pre-cast concrete building pieces that can be assembled to build above-grade depots.
Remember playing with Lego as a kid, putting together modular pieces, limited only by your imagination? The Modulo-Béton offers the
typically made from asphalt or concrete. Once the base is completed, the assembly of the depot begins, which can typically be accomplished between two and five days. With a few final finishing touches such as railings and splash guards, the depot is ready to operate. The client can add options such as heated floors.
The depots, which can be suitable for small or large municipalities, are modular and can be expanded and changed as required to accom-modate additional recycling streams, or even picked up and moved to another location. The Modulo Centre allows flexibility that other fixed systems do not allow.
Within just six years of being launched, more than 200 of these facilities have been constructed, mostly throughout Europe (and more recently in Africa and Asia). Ideally they’re built close to residential areas to stimulate recycling.
A 2012 Dutch government document on how to recycle 65 per cent of household waste recognized that a well laid out and organized re-cycling depot is critical in attracting a variety of recyclables for which curbside programs are inefficient.
In Lelystad, a city of about 70,000 in the Netherlands, the old re-
same opportunity, on grander (and grown up) scale.
The key blocks or modular building pieces are 3 x 4 metres and 3 x 3 metres with heights ranging from 90 cm to 300 cm. The pieces include two walls and a flat top surface (essentially creating a concrete table). Each block is like an engineered “macro” waiting to be assembled into whatever configuration. They can be laid end-to-end and side-to-side to form the raised driving surface and platform of the depot. Ramps are used to allow vehicles to get to the platform. They can be assembled in the configuration that suits the site and municipal needs. They can also be fitted with heated driving surfaces as may be required in our cold climate and safety fencing.
Because the building blocks are built from load-bearing reinforced (and locally manufactured) concrete, it provides a unique and critical advantage over other above-grade depots. The space below the main platform is entirely usable. Its use is also only limited by one’s imagina-tion: consider office space, equipment and recyclables storage. It can eliminate the need for outbuildings.
To build a depot the customer develops a design and footprint for the depot. Because the units have no subsurface foundations, only ground works are typically required for drainage and surfacing. The base is
The Modulo Béton centres allow a rapid flow-through of vehicles and also improves the ease of dumping various recoverable materials into bins.
cycling depot was replaced with a new 22-container-bay Modulo Béton facility in 2010. Over a number of weeks the old depot was dismantled and the groundwork for the new facility completed.
The upgraded depot design results in a more rapid flow-through of vehicles and also improves the ease of dumping various recoverable ma-terials into bins. As the author’s cousin (and Lelystad resident) notes, it’s a “handy place” to leave all manner of separated recyclables. The key advantages of the Lelystad facility are: easy to access and use; better sorting of recyclables; improved cost control (from better screening of incoming waste to prevent the receipt of unauthorized commercial and out-of-town waste — residents can get a pass to enter the facility.
In Canada, Scotiabank is supporting the lease of these facilities, soft costs included. Modulo has recently sold its first system in Canada to EastForest Homes, a large residential developer and home builder in Kitchener, Ontario, for one of its construction sites. A completion of the development project, the depot can be moved for use at the next development site, making it an asset rather than a liability that needs to be cleaned up.
The new Modulo-Beton installation at Lamby Way, Cardiff is an excellent example of how this versatile modular concrete decking system can be adapted to suit any HWRC site. Malcolm Bates went to have a look…
Wisely, Cardiff City Council decided to monitor the success of this new facility before the official opening, just to make sure everything worked as well in practice as it looked in theory. But, after spending the morning observing how residents were using the new facility – and talking to them as they left – it’s quite clear that it’s a vast improvement over the old traditional “bring site” which stands next door, awaiting demolition and redevelopment.
The word “installation” is the key here – the whole new facility was installed in just under three weeks on what was previously just a flat bit of land beside the entrance to a busy landfill site. The surface was given a tarmac makeover, but no groundwork was needed before the inverted U-shaped concrete blocks were unloaded from a fleet of trucks, craned into place and then bolted tight together to form a solid deck 2.6 metres above ground level.
The drive-on deck level enables residents to unload their unwanted items and place them safely into a line of hooklift containers located at ground level.
Access to the upper level deck is via an inbound ramp at one end and an exit ramp at the other; the ramp incline sections are also part of the kit and, like the whole system, can be taken apart and moved – or the configuration changed – should this be necessary during the operational life of the site.
A key feature of the layout is that residents’ cars and hooklift trucks and plant are kept separate, so the whole site doesn’t have to be closed while containers are moved.
The Lamby Way site at Cardiff is the third Modulo-Beton installation in the UK to date, but it is the largest and most interesting in that it also includes a steel canopy to protect staff and residents from the elements during the unloading process. This enables the site to be used more comfortably in wet and windy weather… not a bad idea considering that Cardiff Bay is just down the road!
In contrast to a rather timid approach to the concept here in the UK so far, the system is already in widespread use throughout Europe, Scandinavia and even as far away as Canada and California.
You’ll notice that the word “new” is only used in the context of Cardiff – the Modulo-Beton system itself is not new. It was launched in France in 2004 and I first spotted it at the Ecomondo show in Rimini something like eight years ago. So
why has it been so slow to catch on in the UK?
Because it’s a “foreign” import? That can’t be it… half the RCVs we use in Britain are made in Germany.
Because it’s expensive? That can’t be it either… true, while each standard modular concrete block costs around £4,000 a pop (installed) and a typical site is going to require over 100 standard blocks plus various special sections. That doesn’t sound cheap, but that’s forgetting two very important facts…
No Groundworks Required
Firstly, as the 10-tonne reinforced concrete blocks are bolted together, they can be unbolted again and, should requirements change, the installation can be expanded in size… or moved entirely to another site as required. You can’t do that with a traditional construction.
And secondly? As a quick inspection at ground level under the deck confirms, a Modulo-Beton installation is literally laid out on a flat surface, bolted together and the joints exposed to the weather sealed. Job done. There is no need for any expensive excavation, or foundations of any kind… all that’s required is a flat stable surface that will take the weight.
That means a Modulo-Beton installation can be situated on a former landfill site (as in Cardiff), on reclaimed land, or brownfield sites where normal construction methods would not be feasible.
Henk Kaskens of Modulo-Beton maintains that, if required, a small rural HWRC installation could be erected in one week and be in use by the next. By using a team of company engineers (who arrive on site with all they need to do the job – except for a locally-hired mobile crane, which is pre-booked) there is a much-reduced chance of any delay, or cost overrun as the assembly process is not so dependent on the weather.
The Cardiff facility took a little longer because of the decision to fit a steel canopy, but three weeks is a massive improvement over the best part of the 12 months taken by my local council to demolish a simple flat site (which used rail-mounted compactors and steps) and build an upper deck by traditional means by pouring concrete into shuttering.
And when that was all finally finished? Well, it’s literally set in stone isn’t it? It can’t be moved, or even modified. That’s a great pity as it’s since been discovered that whoever drew-up the plans didn’t take into account of the fact that cars and SUVs have got larger in recent years.
The end result? After just a few months, both inbound and outbound ramps are covered in battle scars from unfortunate residents’ cars.
But there was another issue: how were residents supposed to dispose of unwanted household items while the construction of the new facility took place on the old site?
“You’re permitted to drive anything up to 10 miles to the next nearest council site,” suggested the expensive colour brochure issued by my local council. It forgot to mention “at your own cost” and also made no apology for the fact that the remaining sites were already overcrowded. Perhaps it was no surprise that fly-tipping reached reportedly new heights during the site closure period.
A Can Do Approach
In contrast to a list of “don’ts” found at my local council site (don’t put your messy rubbish in a trailer, don’t come in a van, don’t try getting rid of more than two car tyres a year, etc), Cardiff residents visiting the new Lamby Way HWRC site have the luxury of not having to ruin the interiors of their cars when getting rid of messy unwanted materials. They’re allowed to hire a van, or bring stuff to the site on a trailer. The only proviso is that they must be Cardiff residents.
A simple ID check is considered enough to prevent abuse at this stage, but a free residents ID card is a possible option should this be found necessary to prevent what might be called “waste tourism” by residents living in other council areas.
So how does it all work? The answer is surprisingly well.
Residents enter the site from a roundabout and are guided to a control cabin, before being directed to either the upper deck or, for items such as white goods, that are not so easy to throw, to disposal stations at ground level.
There are 22 container stations covering a full range of different factions (several of each), arranged down the side of the deck. These are attended to by three staff on the
upper level and a Doosan “Wheely” with driver on the lower level to help ensure the containers are neatly loaded and compacted. At Lamby Way, the containers are located end-on to the upper level deck and the public protected by barriers but, if required, a “herringbone” layout for the hooklift containers can be specified. This has the benefit of allowing a greater loading area. The Lamby Way facility doesn’t include toilets, a site office or mess room facilities for staff, as these already exist nearby, but self-contained “modules”complete with services “plumbed- in” are also included in the product range, if required. At sites in Europe, it’s even common to find a council-run “charity shop” selling unwanted items back to the public, with the under-deck area used for storage and sorting… a great idea [and there are some becoming established here in the UK too, but agreed – a good idea – Ed].
Now let’s see… utilise a versatile, well-proven modular system that can deliver a working facility within a couple of weeks. Or take months – a year even – to demolish, excavate and construct something that will do roughly the same job, but without any secure under deck storage capability. And with far more disruption to local residents and Council Tax payers. Which sounds best? Surely, it’s a no-brainer?
1.1 An integrated approach
Combating illegal dumping is a key priority for the NSW Government and local communities.
NSW 2021: A plan to make NSW number one sets a target to reduce the incidence of large- scale (greater than 200 cubic metres) illegal dumping in Sydney, the Illawarra, Hunter and Central Coast by 30 per cent by 2016.
Illegal dumping is an environmental crime and can cause serious environmental pollution, pose a risk to human health, and impact local amenities and community pride. Cleaning up illegally dumped material is also a significant cost for local communities, councils and public land managers.
For the first time, NSW has a state-wide strategy, the NSW Illegal Dumping Strategy 2014–16 (the Strategy), designed to deliver an integrated approach to combat illegal dumping. The NSW Environment Protection Authority (EPA) is charged with leading the work to deliver the Strategy, coordinating efforts of the many stakeholders working to combat illegal dumping, and managing the funding for that work.
The Strategy uses a multifaceted approach to combat illegal dumping. As part of the Waste Less, Recycle More initiative, the NSW Government has allocated $58 million over five years to support initiatives across NSW, including a pilot program to trial innovative approaches to assist home renovators to dispose of small, non-commercial quantities of asbestos. The fund will also be used to enhance the EPA’s ability to detect and prosecute illegal waste operators.
1.2 Our vision
The NSW Government’s vision is to protect local environments from pollution by reducing the incidence of illegal dumping in our community.
To achieve this vision the Government aims to:
Based on feedback received from the consultation for the Strategy and the experience of the EPA, local councils and public land managers, and, six focus areas have been identified:
The EPA will work closely with partners to deliver projects and results in these areas. Table 1 sets out the projects that will be run under each of these focus areas.
Partnerships are essential in delivering this strategy and local government, waste management groups, industry and community all have a significant role to play. The EPA will take the lead in fostering and maintaining these partnerships.
Ian Dudding visits Belgium to find out more about a range of pre-cast units that are being used in the construction of household waste recycling centres and waste transfer stations
Whilst much attention within the industry is focussed towards the high-profile infrastructure, the humble household waste recycling centre (HWRC) is perhaps on the verge of a quiet revolution. Modulo-béton, based in Belgium, but active in 17 other countries, specialises in producing pre-cast reinforced concrete units for the construction of split-level HWRCs and waste transfer stations.
The modules are to a patented design and are manufactured in each national market, using local materials, and to a large extent are bespoke for each individual project. It is this aspect that allows the modules, and the accessories that are available to complement them, to be tailored to address the needs of individual clients. This flexibility would allow a site to be created that also provides circulation and parking capacity, together with ramps and barriers that are in line with what is commonly expected in the UK.
Of particular importance, perhaps, is that once installed the modules can easily be added to, or indeed moved, giving the individual HWRC an inherent level of “future-proofing”. Finally, once the concrete modules are no longer required, they can be crushed and the materials re-used elsewhere.
It is generally accepted that a “best practice” solution to the construction of HWRCs is to create a split-level arrangement, thus providing the opportunity to physically separate the users tipping at the upper area and site operations at the lower area.
The Modulo-béton units are based on this concept, and it is suggested that on a like-for-like basis, a split-level site created from these modular units is more cost-effective than an equivalent traditional build (ie, cast in-situ reinforced concrete retaining walls with backfill). That assumption has yet to be fully tested in the UK market, however, experience from a large number of projects on the continent (in excess of 200 to date) has shown that another potentially important benefit is the speed with which such a site can be constructed. Once the groundworks are complete (eg a levelled/surfaced site), the absence of them having sub-surface foundations means the modular units can feasibly be delivered and installed within a matter of days. Alternatively, in the case of an existing HWRC to be refurbished, they offer a comparatively rapid solution to converting an existing at-grade site to split-level. In either case this could be a significant advantage if, for example, the alternative is to have an existing site out of action for several months, meaning a prolonged reduction in local HWRC capacity and material capture rates.
The modules can be produced in heights of between 900mm and 2 800mm. Units in excess of around 2 000mm in height provide another potential benefit for HWRC site owners and operators in that the void created below the deck can be used for additional material or equipment storage or workshops. The decks of the units are typically 3 000mm x 3 000mm; as these can be safely transported on the highway without a police escort, however narrower (from 1 000mm) or wider (up to 4 000mm) deck dimensions can also be created if required. Decks can also be specified to support between 3.5 and 29 tonnes.
A recent visit to the newly built HWRC in Dilbeek, near Brussels in Belgium, offered a good example of a site constructed with Modulo-béton units, unusually located underneath a motorway bridge.
In the Flemish area of Belgium residents pay for the deposit of non-recyclable materials. Users are required to swipe an identity card on entry to the site – if only recyclables are to be deposited then free access is granted to the recycling zone (in this case the recycling zone is a simple arrangement of roll-on-off containers with steel staircases). If non-recyclable/heavy materials are to be deposited then users are required to access a separate zone, after passing over a weighbridge, and the calculated charge being debited from their account.
This zone is a split-level arrangement formed of Modulo-béton units, with a fairly steep ramp up and off. Materials such as green waste, panes of glass, soil and hardcore, and bulky waste are all deposited from the upper area into dedicated containers below. The raised deck was 2 200mm high and made of units 3 000mm x 4 000mm. Underneath the deck the owner had opted to take advantage of the storage opportunities and part of the void space was used for the storage of pallets of plastic refuse sacks, while another section housed mini-sweepers, and a final section had been converted to a workshop (fully lit and ventilated).
There are a range of security doors that can be fitted, so, in the UK, for example, these void spaces could feasibly be used to house WEEE, fluorescent tubes or many of the other fractions of materials that are collected at typical HWRCs (or indeed packaged bags of compost, that are increasingly being made available for sale at some HWRC sites). In addition, this site also utilised the purpose-built, stand alone Modulo-béton storage modules, in this case a double-bunded store for hazardous liquids/paints.
By utilising the pre-cast Modulo-béton units, this new HWRC was constructed within three days of completion of the groundworks (levelling of site, installation of drainage and surfacing), which was a major advantage in ensuring that the site was operational as soon as possible.
Modulo-béton will has recently constructed its first modular HWRC in the UK, and it is hoped that, in due course, these modules will be able to offer an added measure of innovation and flexibility to the national HWRC network.
The waste and recycling depot is a fixture of Canadian waste management, used for both non-hazardous and hazardous waste streams, They continue to evolve, from a few bins scattered around a muddy yard, to more organized, above grade, build facilities. As we start moving towards a more circular economy, it is important that their design is given considerable, easy to use, and importantly, will attract residents and businesses for return visits.
Modulo offers smart solutions to reduce illegal dumping, and illegal littering while simultaneously enhancing participation and commitment by the public, establishing increased recycling, reuse rates in an increased attractive environment.
Years of experience in retail marketing, logistics, and the international waste management industry have resulted in a the ability of offering pallet of related and attractive products, solutions and services to assist our customers in making the best choices as it comes to the reduction of illegal dumping, illegal littering and increased diversion efforts and results.