The Phase 1 peatland restoration works at Divis and Black Mountain formed part of a wider programme to improve the ecological condition and long-term resilience of upland habitats. The primary goal was to restore natural hydrology across degraded peatland by blocking historic drainage channels, helping to reduce erosion, slow water flow, improve biodiversity, and limit carbon loss.

The project presented several challenges, including deep peat deposits, steep and uneven terrain, and restricted access across sensitive landscapes. All works were carefully planned and executed to maintain environmental protection while achieving programme efficiency.

Close collaboration with the National Trust ensured design intent was maintained while adapting to real ground conditions. Low-impact construction techniques and specialist plant were used to minimise habitat disturbance, with locally sourced peat reinstated in all areas upon completion.

The project was delivered on time and within budget, with a strong safety record and a client satisfaction score of 5 out of 5. The National Trust highlighted the proactive approach of the McFadden Civils team in overcoming challenges, including the discovery of UXO, and praised the collaborative relationship throughout the project.

Brief Description

Sector: Environmental / Infrastructure

Location: Divis and Black Mountain, Divis Road, Hannahstown, Belfast, Co. Antrim

Role: Civils Contractor

Scope of Works

  • Construction of 2,001 peat and earth dams
  • Installation of 25 standard timber dams and 101 large timber dams
  • Zippering and infilling of approximately 6,992 metres of drainage channels on steep slopes
  • Use of wide-track excavators and specialist low- impact plant to manage sensitive terrain
  • Full site scanning prior to excavation to address UXO and ensure environmental protection
  • Use of fully certified and approved materials, with timber left untreated as required
  • Reinstatement of all disturbed areas to preserve ecological integrity