“Increasingly we are seeing an option for maximum irrigation flexibility for each section of the tap”

Thulin – Next year, installer Montera Techniek will turn 50. What started as a “small club” has grown over the past 10 years into a company that implements national and international projects in the field of water, electricity and climate technology.

Laurens van Es is the company’s Project and Business Unit Manager from Pijnacker and has experienced it closely for the past 20 years. He grew up in a greenhouse and got into installation technology from school.

Laurens van Es in a stunning piece of water technology at Duijvestijn Tomaten: a tap array with 3 rows of taps through which each unit can be individually attached to each tap section.

Experimental work
One of his first major projects was the new building of Duijvestijn Tomaten in Pijnacker. “I walked in the mud at the first new farmer’s building there,” he points out when we visited the new building across from the Komkommerweg in Pijnacker one February afternoon. With a view behind the glass of new facilities and the crop in the greenhouse, the project manager explains what makes this particular project and its work in general special.

“Modifying a 25-year-old install is not something you can do in one, two, or three. This is trial work. You don’t just find people who can do it well. Fortunately, we have such knowledge and experience in-house and are still able to find talent.” New technology. As you can see everywhere in the sector, this is not easy, but the fact that our office is close to TU Delft sometimes helps.” Especially after Montera Techniek joined the group led by Bosman Van Zaal in 2014, the company has grown exponentially. Laurens points out, “without losing our identity with the Dutch shareholders of the group.” “I think this is important! It gives peace and stability.”

The team now employs about 25 people for service, sales, and internal and external service. “We use it to make complete projects, from drawing to installation. We are also showing this on our new website.”

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Montera Techniek leaves its mark on installation work, not on individual installations. They are purchased based on the wishes of the customer.

chasing the customer
Montera Techniek has always had a strong regional orientation and this continues to be the case, although nowadays the turnkey system also benefits from Bosman Van Zaal’s projects internationally. In terms of hydro and electrical engineering, we’ll do our part. We can say that we travel after our clients. I myself am hoping to go to Chile again in June, for a project by Bosmann van Zaal.” Closer to home, and literally around the corner in the case of Laurens who lives in Delfgauw, the new construction by Duijvestijn Tomaten is the “ Montera project Techniek is 100% real ”in terms of water and electrical engineering.” After the farmers came here from Westland, we were involved in all the (new) construction projects.”

Duijvestijn Tomaten chose automatic container filling.

“It really helps the engineers”
The installation company, VCA-certified since 2021, specializes in the design and drawing of both hydraulic and electrical installations. The company does not have its own research and development processes, but that does not mean that there are no developments. “We often think with the supplier or the farmer about technical innovations. On this project with Ad van Adrichem, one of the board members at Duijvestijn Tomaten. He is really an engineer with us and knows very well what he wants and what he doesn’t want. You have to take that into account.”

3 irrigation units, 1 block for 5 hectares of greenhouses, 1 for greenhouses of 5 hectares, 1 unit between greenhouses to have enough capacity at peak demand in greenhouses with 6 crane sections each.

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On the back of a cigar case
Lorenz explains that in recent years there has been a “great professionalism” in the field of painting. “We work on full 3D projects and proof everything we do. There is also a lot more documentation included than before. Previous projects were drawn as they were on the back of an old cigar box, you now see that everything is well recorded on the new projects. With Modern technology, this is becoming more and more. This helps now and later. Now that deadlines are tighter, we can prevent bottlenecks “in the field” in this way in advance. We prepare everything well in the office so that we can work quickly and correctly on site. ” This is not possible everywhere. “Where you once started in a cigar box, you don’t suddenly digitize everything halfway. But where possible, you take steps with the farmer.”

When water is recycled, the sodium is removed from the waste water, and other fertilizers remain reusable.

Once in the water technology district of Duijvestijn Tomaten, Laurens points to an example of this large-scale development in advance and devised in consultation with the grower: a faucet array with 3 rows of taps per 1 irrigation unit. In this way each unit can be linked to each Single mortise section. The farmer can switch gears within five minutes in the event of a disaster. But apart from that, it gives a lot of flexibility. “It costs more to work in tubes, but we’re seeing this being chosen more and more, especially for growers with many different cultivars and growth stages.”

In the water tech room of Duijvestijn Tomaten. “One of the most beautiful” Montera Techniek has ever installed.

Laurens describes the Tomato Farms Hydrotech Room as “one of the most beautiful hydrotech rooms we’ve built.” Even now that the project has been running for over a year now, the project is not “finished” yet. “You never finish these types of projects. There are new innovations constantly. This kind of innovative farmer does not stand still.” For example, the project manager sees opportunities for more automation of these types of technical areas in the future. “You can actually see this coming back, for example in the automatic container filler that makes recipes for AB containers.” In principle, it provides the farmer with a trip to this region on the weekend and thus work. And that’s rare, just like farmers.

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Hydrogen peroxide is dosed and supplemented at one central point, so not separately in each irrigation unit. This requires more tubes, but saves trips with a pallet truck for each unit individually.

computer game
We’ve been talking about 3D drawing for a while now. If you walk the water technology district of Duijvestijn Tomaten, you will understand why it is necessary. “You can’t just draw these kinds of spaces by hand,” Lorenz laughs. “The drawing package, Revit, sometimes looks like a computer game. You can walk through it with a doll and that way you have a good overview. Also, for example, what the underground pipework looks like.” Laurens currently sees gardening at a turning point. “I think we are going to work incrementally with 3D. You see that a lot internationally in turnkey projects. Nationally just a little bit, precisely because so little of the full realization is done here. But it will also move in that direction in the long term.”

A personal message inside each AB container at Duijvestijn Tomaten.

for more information:
Lorenz Van S
monterra technology
[email protected]
[email protected]

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