ᐅ Is it allowed to build a garage over gas, water, electricity, or telephone lines?
Created on: 30 Aug 2017 12:00
I
infors
Hello.
We worked out a very nice floor plan (at least for us) with an architect. In this plan, the utility room would be located in the northwest part of the house, behind the garage. The utility lines come from the street to the west and would be routed beneath the garage. Generally, such lines are apparently not allowed to be covered by a garage. The architect suggested that the lines could be installed under the garage if no concrete slab is poured inside the garage, but instead gravel is used as a base, and then paving is laid on top. This way, the utility company would still be able to access the lines if necessary. I contacted the utility company today, and they confirmed that what the architect said is fine and the lines may be covered by a garage in this way.
What do you think about this idea?
The next question is... if we proceed with just gravel and paving, without a concrete floor slab, what about moisture, especially humidity inside the garage? I have already read through some forum posts and found some people who also wanted to build a garage without a floor slab and were uncertain. We would like to put up shelves in the garage and store various items such as Christmas decorations.
I’m interested to know if anyone has already built a garage like this and if you experienced any moisture problems. Also, what has been your experience regarding storing items like Christmas decorations or similar? Is storing such things possible on a non-concrete floor, or does everything get damp?
Looking forward to your experiences on this.
Best regards
We worked out a very nice floor plan (at least for us) with an architect. In this plan, the utility room would be located in the northwest part of the house, behind the garage. The utility lines come from the street to the west and would be routed beneath the garage. Generally, such lines are apparently not allowed to be covered by a garage. The architect suggested that the lines could be installed under the garage if no concrete slab is poured inside the garage, but instead gravel is used as a base, and then paving is laid on top. This way, the utility company would still be able to access the lines if necessary. I contacted the utility company today, and they confirmed that what the architect said is fine and the lines may be covered by a garage in this way.
What do you think about this idea?
The next question is... if we proceed with just gravel and paving, without a concrete floor slab, what about moisture, especially humidity inside the garage? I have already read through some forum posts and found some people who also wanted to build a garage without a floor slab and were uncertain. We would like to put up shelves in the garage and store various items such as Christmas decorations.
I’m interested to know if anyone has already built a garage like this and if you experienced any moisture problems. Also, what has been your experience regarding storing items like Christmas decorations or similar? Is storing such things possible on a non-concrete floor, or does everything get damp?
Looking forward to your experiences on this.
Best regards
B
Bau-Schmidt30 Aug 2017 18:08hstkai schrieb:
here, a pipe was inserted into the gas line in the built-over section. basically (pipe in pipe), then it was accepted by the utility company. DVGW worksheet G 459/I
3.1.4 Pipe routing
Service pipes should be routed as directly as possible from the supply line to the building. The routing must be planned so that pipe installation is unhindered and the route remains accessible over time. If service pipes must be routed beneath building parts (e.g., conservatories, garages, etc.) or through voids, they must be installed within protective sleeves in these areas. It must be ensured that, in the event of a leak at the end product pipe, gas is safely vented to the outside. Building over a service pipe after installation is not permitted without additional protective measures. Storing materials or planting above service pipes is also not allowed if it compromises accessibility, operational safety, or repair possibilities of the service connection.
Regarding your storage question:
I don’t know of any shed extension or carport with a concrete slab. Usually, paving stones are used, and they don’t just store tools there.
However:
There are usually gaps left at the bottom and sometimes under the roof to ensure good air circulation.
I’m not sure if this information is helpful… Garages generally have even less airflow.
Maybe my contribution will help others give you better advice.
I don’t know of any shed extension or carport with a concrete slab. Usually, paving stones are used, and they don’t just store tools there.
However:
There are usually gaps left at the bottom and sometimes under the roof to ensure good air circulation.
I’m not sure if this information is helpful… Garages generally have even less airflow.
Maybe my contribution will help others give you better advice.
I don’t see any difference regarding storage between a slab foundation and paving. As far as I know, the slab foundation in a garage is usually not insulated underneath and therefore offers little or no protection (depending on the type of concrete) against rising damp. However, the roof is typically well ventilated and protects against rain, so it generally stays relatively dry. But I could be wrong.
What speaks more against storing sensitive items is rather the fluctuations between cold and heat, as well as uninvited guests who like to make a cozy nest with Christmas angel hair.
What speaks more against storing sensitive items is rather the fluctuations between cold and heat, as well as uninvited guests who like to make a cozy nest with Christmas angel hair.
kaho674 schrieb:
I don’t see any difference regarding storage between a concrete slab and paving. As far as I know, the garage slab is not insulated from below and therefore offers little to no protection against rising damp, depending on the type of concrete. However, the roof is usually well ventilated and protects against rain, so the space stays relatively dry. But I could be wrong.
More concerning for storing sensitive items is the temperature fluctuation between cold and heat, as well as uninvited guests who like to make cozy nests with Christmas angel hair.Thank you for your assessment. The nest-building in the decoration was a good point... [emoji23]Additionally, it should be mentioned that precast concrete garages tend to experience condensation due to a lack of insulation and generally have poor ventilation. Furthermore, precast garages are not made of waterproof concrete, meaning water can rise from the ground, and wall connections are not perfectly sealed.
Therefore, I would avoid placing cardboard boxes directly on the floor and first gather some experience regarding the indoor humidity and amount of condensation.
Therefore, I would avoid placing cardboard boxes directly on the floor and first gather some experience regarding the indoor humidity and amount of condensation.
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