Collex-Bossy, canton of Geneva
Underpinning in Collex-Bossy at a lower cost
Strengthening foundations and load-bearing walls is the work of underpinning. MS Contractor SA works in Collex-Bossy with an engineer.
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MS Contractor SA carries out underpinning in Collex-Bossy for houses and buildings. Strengthening or deepening of foundations with pads, micropiles or ground beams, reworking of load-bearing walls, relieving beams for an opening, crack injection and propping are carried out according to the engineer’s calculation.
The context in Collex-Bossy
The two villages of Collex and Bossy, surrounded by fields and woods, make up this rural municipality on the right bank. Farms and village houses form the old cores, around which villa districts have developed. Arriving through the countryside is easy, and the agricultural character of the territory is to be respected.
Foundations and settlement in Collex-Bossy
Deepening of foundations in alternating passes, micropiles or ground beams, after a study of the ground and the causes of the settlement.
Cracks are monitored before and after.
Load-bearing walls and openings
Steel or concrete relieving beams to open a load-bearing wall, reworking of older masonry, propping during the work.
The engineer’s calculation comes before each job.
Cellars and basements
Creating a basement or deepening a cellar, tanking and drainage to keep the space dry.
Adjoining neighbours are informed.
The items of an underpinning quote in Collex-Bossy
- Engineer’s study and calculation
- Propping and protection
- Excavation in passes
- Foundations and reinforcements
- Masonry reworking
- Making good and handover
A single point of contact who manages all the trades
One contact person follows your worksite from the quote to the handover. MS Contractor SA brings together its own teams and the other trades needed, sets the schedule with you and keeps you informed of progress.
How a request runs
You describe the project via the form, by phone on +41 79 557 14 50 or by email with a few photos. We get back to you to specify the work, then we visit the premises to measure the surfaces and the condition of the substrates.
The quote describes each item, the planned duration and what is not included. After your written agreement, the start date is set with you and a manager follows the worksite until the handover.
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Frequently asked questions
Your questions in Collex-Bossy
How long does underpinning in Collex-Bossy take?
Two to six weeks depending on the length of wall to rework and the method. The quote describes each item, the planned duration and what is not included.
Is a permit needed for underpinning in Collex-Bossy?
A reworking that does not change the volume of the building counts as maintenance, but an engineer’s calculation is essential. A new basement requires a permit that we prepare with you. The details of the procedures are on the website of the State of Geneva, on the applying for a building permit page.
Can you live in the house during the work in Collex-Bossy?
Yes, in most cases, the work is done from the outside or from the basement, in small propped passes.
How can you tell whether a crack needs attention in Collex-Bossy?
A crack that widens, goes through the wall or comes with a sloping floor calls for an opinion. We install monitoring markers and bring in the engineer.
Your project
Foundations to rework in Collex-Bossy?
Describe the building and what you have observed. MS Contractor SA gets back to you to arrange a visit and draw up a detailed quote.