Update: After initially finding it difficult to obtain alternative offers in the limited supplier market for such large cranes (they are all interconnected), we have actually found a crane company in Bornheim that a) operates NATIONWIDE and has several locations as well as its own mobile cranes up to 500 tons, and b) was willing to submit an offer to us without fear of losing contracts from prefabricated house manufacturers.
Moreover, this company proved to be an absolute stroke of luck because:
a) Extremely customer-oriented and flexible sales, also easily reachable and reliable regarding callbacks and responses
b) Complete liability assumption by the crane rental company (in contrast to the crane company of the prefabricated house provider)
c) Risk assumption in case of bad weather up to one day cancellation before the appointment (in the other terms and conditions, the crane would have had to be fully paid for by then)
d) About 2,500 EUR cheaper than the offer from the prefabricated house company with the same offer content and services
And you might not believe it, the dispatcher even made a proposal on his OWN initiative on how to
a) avoid that due to the full road closure about 10 driveways and garages of the neighbors cannot be accessed for three days (that was the plan of the crane rental company of the prefabricated house company). Now everyone can drive onto their property, into their driveway or garage despite the full road closure, which is extremely beneficial for neighborhood peace;
b) save an entire crane day for the large crane and thus immense costs (beyond the savings of the aforementioned 2,500 EUR);
So to be clear once again: They are so honest and accommodating that they themselves suggest alternatives for a time- and cost-minimal deployment of their cranes. *Pinch me* ... Unbelievable, right?
So far: Great service, easily reachable sales and field staff, all previous appointments with authorities, etc. have been kept and permits obtained despite tight scheduling. We have received many tips and the people there think along and help wherever they can. In 2018, after 10 years of construction boom in Germany, actually unimaginable....