Limberhill Wood Rail Bridge
In September 2020 Jack Tighe ltd was awarded the contract to provide surface preparation and apply protective coatings to all structural steel on Limberhill Wood rail bridge located in North Yorkshire.
All Jack Tighe Ltd operatives received a site induction from Amco to ensure safe working practices and site minimum PPE requirements are complied with. Access to the works were via fully fixed encapsulated scaffolding supplied by the client.
The Specification Procedure was as follows: - M34-210 Specification – Designated Trackside Works • Fresh water wash down to remove all contaminants and loose/flaky coatings. • Hand prepare to BS7079: Part A1 Standard St3. • Brush apply Jotamastic 87 Glass Flake to achieve 250 microns dry film thickness (360 wet film thickness). • Brush apply one coat Hardtop XP finish coat to achieve 50 microns dry film thickness (90 wet film thickness)
XM92/M20-148 Specification – Underside
• Fresh water wash down the steelwork to remove all contaminants.
• Blast clean to BS7079: Part A1 Standard Sa2½.
• Apply one coat of RT item 7.1.5 Jotamastic 80 Aluminium to achieve 100 microns dry film thickness (125 wet film thickness).
• Apply stripe coat of RT item 7.1.6 Jotamastic 80 colour to all edges, bolts, etc.
• Apply one coat of RT item 7.1.6 Jotamastic 80 colour to achieve 100 microns dry film thickness (125 wet film thickness).
• Apply one coat of RT item 7.3.1 Hardtop XP Gloss to achieve 50 microns dry film thickness (80 wet film thickness).
Equipment utilised on site included a Compressor, Blast Pots, Diesel Bowsers, Spray Pumps, Clean Air Packs, Forklift Truck, Vacuum Recovery System, Extraction Equipment, Decontamination Unit, Generator, and lighting. Toolbox Talks were carried out by the supervisor on site covering topics including Access/Egress, Site setup, Grit Blasting, Control of lead at work and the correct use of PPE.
Due to the significant lead content present in the existing paint system on site and the potential risk to operatives during the removal of the paint system, the Control of Lead at Work Regulations 2002 applied.
The duration of the works was approximately 20 weeks with 8 men on site.