Trade 01 · Civil works

Civil works

Cable and utility trenches, house connections, crossings, traffic management and surface reinstatement – with our own crews and equipment.

Items

What we take on in civil works.

What we take on in civil works – as items, the way they appear in the bill of quantities.

Item 01.10 · m
Open-cut cable trench
Breaking up, excavation and shoring, laying in the sand bed, backfilled and compacted in layers – in footpaths, roads and open ground.
Item 01.20 · pc
House connection trench
From the branch on the route to the house wall – coordinated with owner and network operator.
Item 01.30 · m
Hand excavation
By hand at existing utilities, in root zones and wherever an excavator cannot reach.
Item 01.40 · m²
Surface reinstatement
Paving, slabs, asphalt and green areas – restored as found.
Item 01.50 · LS
Traffic management
Site safety according to the traffic order: beacons, barriers, signage.
Item 01.60 · LS
Measurement and photo documentation
Measurements and photos with time and location stamp for network operators and clients.

Methods

Methods at a glance.
Method	Use	Kalwer Netzbau
Open-cut construction	Routes in footpaths, roads and open ground	own crews
Hand excavation	House connections, existing utilities, root zones	own crews
Paving and asphalt work	Surface after backfilling	own crews
Soil displacement (impact mole)	House connection under driveway or garden	through partner firms
Directional drilling (HDD)	Road and watercourse crossings	through partner firms
Microtrenching	Narrow routes in asphalt	through partner firms

Sites

Construction sequence

Site visit and quotation
We inspect the route on site and then send you a written quotation.
Permits
Excavation permit and traffic order are obtained before work starts.
Breaking up and excavation
The surface is cut and removed, the trench excavated and secured.
Laying
Ducts and cables are laid in the sand bed, with route warning tape above.
Backfill
Backfilled and compacted in layers so that nothing settles later.
Surface
Asphalt or paving is reinstated.
Acceptance and documentation
Handover with measurements, photos and as-built records.

Site board

Send us your bill of quantities, route plan or simply location and scope. We will get back to you personally.