
Utility installation on a construction site means excavating trenches and installing the ducts, chambers and draw pits that power, telecoms, water and gas services are later pulled or laid through. Duct type, depth, bedding, warning tape and separation distances are set by each utility provider's specification.
Ducting is cheap to install and expensive to retrofit. Once a road or slab is closed up, adding a duct means cutting and reinstating it.
Rayco Civils is a civil engineering and groundworks contractor based in Monamolin, Co. Wexford, working on sites across Ireland. Send drawings or a site location and we will price the works.
Each utility sets a minimum cover depth, a bedding requirement and a separation distance from other services. Ducts laid too shallow, in unsuitable backfill or too close to another service will be refused at inspection.
We install to the provider's specification and record the routes as they go in, so connection applications are not held up.
Duct routes, draw pit positions and connection points are agreed with the engineer and utility providers before the road build-up or slab goes down. Spare ducts across roads are usually worth the small extra cost at that stage.
The utility provider carries out the live connection and any work on its own network. The site contractor provides the trench, ducting, chambers and bases to the provider's specification and gets them ready for inspection.
Depth depends on the utility and whether the duct runs under a road, footpath or open ground. Each provider publishes minimum cover requirements, and those figures govern the trench rather than a single site-wide depth.
On road crossings, almost always. Adding a duct later means cutting and reinstating a finished surface, which costs far more than laying a spare duct while the trench is already open.
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Send your drawings or site location for a free, no-obligation quotation anywhere in Ireland.