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850 LAYING PRECAST CONCRETE PAVING SLABS
• Condition of substrate: Clean.
• Setting out: Minimize cutting.
• Joints: Open.
- Width: 3 mm .
• Perimeter upstands: site specific mm wide, filled with chippings.
• Completion: Slabs must be level and stable.

880 APPLYING UV RESISTANT SEALER
• Coverage per coat (minimum): manufacturers recomendation.
• Surface coverage: Even and full.

890 APPLYING WALKWAY PROTECTIVE COATING
• Coverage per coat (minimum): manufacturers recomendation.
• Surface coverage: Even and full.

COMPLETION

910 INSPECTION
• Coating surfaces: Check when cured for discontinuities.
Defective areas: Apply another coating.

920 ELECTRONIC ROOF INTEGRITY TEST
• Testing authority: The roofing contractor .
• Timing of test: Give notice .
• Condition of roof prior to testing:
- Coating: Complete to a stage where integrity can be tested.
- Surface: Clean.
• Test results: Submit.
• Waterproof integrity certificate: On completion of testing, submit.

940 COMPLETION
• Roof areas: Clean.
- Outlets: Clear.
- Flashings: Dressed into place.
• Work necessary to provide a weathertight finish: Complete.
• Storage of materials on finished surface: Not permitted.
• Completed coatings: Protect against damage.

RotF generic (intermediate) NBS 2014 6118-AEW-XX-XX-NBS-A-01