Our water main services

C & M Kiernan Pipelines Construction install new and replacement external MDPE water mains pipework and services, Fire hydrant mains, Mains pressure Sprinkler/Fire protection and Tank fed Sprinkler/ Fire protection mains from existing boundary meter/water authority boundary valve or pump house to building entry position. We can install on ‘supply, install, test, commission’ or ‘excavate, supply, install, test, commission and reinstate’.

Installation methods:

  • Impact Moling
  • Dead Insertion / Slip Lining
  • Mains Bursting
  • Directional Drilling

EU Registered Service/Mainlayers are experienced in the installation of standard PE and barrier pipe in electro fusion, butt fusion and the installation of Concrete Lined Ductile Iron. We can install secondary meters, new fire hydrants, pressure reducing valves, non return valves, bib taps, watering points and logging stations.

Data Logging

The company own data logging equipment for the pressure testing of PE water mains. This service shows a computer analysis of expansive creep of the system on test which is then collated on a graph for production for the relevant statutory water authorities where requested. This can be a standalone service offered by ourselves.

Under Pressure Drill Branching

C & M Kiernan can under pressure drill branch services off parent mains from 2’’ to 12’’ and own all equipment to carry out this works on materials including MDPE, PVC, Cast & Ductile Iron .Under pressure drilling off branch saddles installed by ourselves on MDPE( up to 250 mm ) and metallic mains with varying outlet branch sizes available. We can also connect new water services to existing mains with the minimum of disruption to end users avoiding costly shutdowns and operational constraints though squeezing off PE pipe up to 180mm, Pipe freezing of metallic mains and live bag stopping.

We offer an emergency leak repair service

24 hrs a day 7 days a week..