1. Causes of Deterioration
1.1. lack of regular maintenance
1.2. failure to remove damaged paint
1.3. poor surface preparation before painting
1.4. paint is applied too thickly
1.5. design flaws in the ironwork
2. Regular maintenance
2.1. Regular inspections
2.1.1. damage to paint coatings
2.1.2. signs of corrosion
2.1.3. plant growth
2.1.4. missing and damaged sections
3. Painting gates and fencing
3.1. Never paint over rust
3.1.1. Clean surface required
3.1.2. paint adheres properly to the iron
3.2. Overlap with existing paint
3.3. Use existing paint as surface
3.3.1. Clean the surface
3.3.1.1. Sandpaper the surface
3.4. Use Brushes
3.5. Avoid painting in breezy conditions
3.6. brushing a rust-inhibiting primer on the metal (if complete repainting is required)
3.7. Primer to cover porous surfaces
4. Types of Gates and Fencing
4.1. Mild Steel
4.1.1. Advantages
4.1.1.1. Malleable
4.1.1.2. Cheaper than most other steels
4.1.2. Disadvantages
4.1.2.1. Rusts Very Easily
4.1.2.2. Weak Tensile Strength
4.1.2.3. Not durable
4.1.2.4. Difficult to repair
4.2. Aluminium
4.2.1. Advantages
4.2.1.1. Lightweight
4.2.1.2. Easy to Install
4.2.1.3. No maintenance required
4.2.1.4. More resistant to rust and corrosion
4.2.2. Disadvantages
4.2.2.1. Will be extensively damaged by vehicle
4.2.2.2. Subject to staining over time
4.2.2.3. Less secured
4.3. Stainless Steel
4.3.1. Advantages
4.3.1.1. Does not rust
4.3.1.2. Easy to clean and maintain
4.3.1.3. Longer life span
4.3.2. Disadvantages
4.3.2.1. Requires high technology machinery
4.3.2.2. High wastage in production
4.3.2.3. Show finger prints and smudges
4.4. Wrought Iron
4.4.1. Advantages
4.4.1.1. Tough
4.4.1.2. Durable
4.4.1.3. Ductile
4.4.2. Disadvantages
4.4.2.1. Not rust proof
4.4.2.2. Expensive
4.4.2.3. Can't take sudden loads
5. Defects in Gates and Fencing
5.1. Uneven surface
5.1.1. iron corroding under paint
5.2. Rust-coloured Staining
5.2.1. rust from the ironwork is washed down on to concrete surface.
5.3. Blisters
5.3.1. corrosion under paint
5.3.1.1. oil based point breaking down
6. Footpath
6.1. Dangers to pedestrians
6.1.1. Deviate from original constructed levels
6.1.1.1. Tree roots
6.1.1.2. Vehicular movements
6.1.1.3. Soil reactivity
6.1.2. Possible dangers
6.1.2.1. Trip
6.1.2.1.1. pathway raised >20mm
6.1.2.2. Slip
6.1.2.2.1. pathway damaged
6.1.2.3. Clear
6.1.2.3.1. trees overhanging with <2.4m clearance
6.1.2.4. Drop
6.1.2.4.1. ground level drops >60mm
6.1.2.5. Build up
6.1.2.5.1. where grass or debris cover >40%
6.1.2.6. Roots
6.1.2.6.1. roots damage or interfere with pathway
6.2. Footpath defects
6.2.1. Slippery footpath
6.2.2. Stain footpath
6.2.3. Footpath Settlement
6.2.4. Uplifting
6.2.5. Cracked footpath
6.2.6. Exposed Rebar
6.2.7. Uneven footpath
6.2.8. Damaged construction joint
6.2.9. Damaged extension joint