5. Frequently asked questions
Can a rider be justified if the constraints specified in the contract are incorrectly estimated?
No, the rider increasing the price due to the need for asbestos removal was deemed illegal, even though the stipulations of the CCTP implied that asbestos removal was necessary ( CAA Nantes 30 décembre 2009, SAS Seche Eco services , n° 09NT0076 ).
Do modifications have to be published?
Yes, for any additional work that becomes necessary and in the event of unforeseen circumstances, when the contract has been awarded in accordance with a formal procedure (article R. 2194-10 of
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