ᐅ Installing main utility lines

Hello Forum

Attached is our drainage plan.

Approximately 42m (138 feet) need to be excavated,
about 25m (82 feet) of main sewer pipe for wastewater has to be installed,
and about 41m (135 feet) of main pipe for rainwater drainage.

I have now received a fixed price quote. The company charges 900€ for this work, including the tightness test.

I wanted to do a rough calculation:

In total, I need about 66m (217 feet) of PVC main pipe with an internal diameter of 125mm (5 inches). One meter costs roughly 4.50€.
That comes to approximately 300€. Adding seals, branches, and bends, I’m estimating around 350€.

That leaves 550€ for excavation, pipe laying, and backfilling. What do you think, is that reasonable? To put it this way, if it should be possible to complete this work in one day—starting at 7:00 a.m. and finishing at 5:00 p.m.—I find an hourly labor rate of 55€/h a bit high, or am I mistaken?

Best regards

In addition to machines and equipment... Equipment purchases have to be recouped somehow, which is why the price per meter differs from a simple calculator using hardware store price data.

However, this should be itemized in the quote.

I can't really make much of the answer.

I actually think that the prices at DIY stores are set too high since professionals probably get better rates. And again: 55€/h for the installation was my question (including machines and tools) and nothing else, so the "DIY store prices" are already excluded?

Who has concrete experience?

I find that extremely affordable. The pipes are not simply buried. They are usually "encased" in sand. We paid around €1,500 for our drainage system (only wastewater).

The price includes excavation, pipe installation, backfilling, compaction, and rough grading. For wastewater, a cleaning branch is installed at each external outlet of the house, so in our case, two...

Shouldn't an inspection chamber also be installed there?