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Mayo Bridge Rehabilitation Contract, Co. Mayo.

Projects > Civil Engineering (Inland) Projects

Ennisdrum Bridge
MAYO BRIDGE
REHABILITATION
CONTRACT,

Co. Mayo.

 The project comprised of repair works to 3 No. National
Secondary Road bridges in Co. Mayo.

Work on each bridge was phased to maintain through traffic for
the duration of the project. Programming and resource allocation
also took into account exceptional weather conditions including
freezing temperatures and flooded river conditions.
Programming was carried out with reference to 5-day forecasts
and working time maximised by temporary coverings, night time
and weekend working. Such conditions added considerably to
the complexity of the project.

Ennisdrum Bridge carries the N59 Westport to Bangor Road over
the Owenmore River. The three span concrete bridge is in a
semi-rural location providing sole access to the South of the
town.

The works carried out comprised of:
• Demolition and removal of the existing parapets, footway
construction and construction of new reinforced concrete plinths.
• In-water scaffolding platforms
• Concrete repair works to bridge deck using fast cure materials
in advance of waterproofing and bridge joint installation
•Installation of buried bridge joints
•Re-waterproofing of the bridge deck slab and resurfacing
• Structural concrete & reinforcement repairs to soffit, piers &
abutments
• Removal of staining & loose debris by specialist water jetting.
• Fairing coat & anti-carbonation coating painted to all elements
of exposed concrete bridge deck.
• Installation of aluminium bridge parapet
• Installation of drainage gullies and outfalls
• Line marking, stud installation and landscaping

Balla Bridge carries the busy N60 Castlebar to Balla Road over a
small river on the outskirts of the town.

The works comprised of:
• Demolition and removal of existing masonry parapets, footway
and road construction
• Vegetation removal
• Construction of new masonry parapets to NRA containment
specification complete with coping stones using traditional
techniques
• Minor concrete repair work to bridge deck using fast cure
materials in advance of waterproofing
• Re-waterproofing of the bridge deck slab
• Installation of drainage and outfalls
• Line marking, stud installation and landscaping

Ballylahan Bridge carries the N58 Strade to Foxford Road over
the River Moy.

The bridge is in a rural location on the outskirts of Foxford
Village. It is a five span composite prestressed beam and
reinforced concrete slab deck supported on reinforced concrete
abutments and piers. This bridge was particularly complex from
an environmental and access viewpoint as it spans the
internationally renowned Moy fishing river. Works were further
hampered as the water level responded quickly to rainfall. To
access the bridge and protect the watercourse from debris and
contaminates we mobilised a floating platforms under each span
as required together with in-water scaffold.

The works comprised of:
• Removal of existing concrete footpath and road construction
• Concrete repair works to bridge deck using fast cure materials
in advance of waterproofing and joint
• Installation of composite drainage kerbs including construction
of new footpath
• Repair and high pressure cleaning of aluminium bridge parapet
• Installation of bridge joints
• Re-waterproofing of the bridge deck and resurfacing.
• High pressure washing of soffit and parapet
• Structural concrete & reinforcement repair works to edge
beam, soffit, piers & abutments.
• Fairing coat & anti carbonation coating painted to all elements
of exposed concrete bridge deck.
• Vegetation removal
Installation of drainage, gullies and outfalls
• Line marking, stud installation and landscaping
Client Mayo County Council,
Aras an Chontae,
Castlebar,
Co Mayo
Value €400,000
Date of Completion 2010
L&M Keating Ltd, Kilmihil, Co. Clare. www.lmkeating.ie | info@lmkeating.ie
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