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322 ABRASIVE CLEANING EQUIPMENT
• Manufacturer/ Supplier: Submit proposals.
- Product reference: Contractor's choice.
• Nozzle types: Subject to site trials.
• Abrasives: Subject to site trials.

332 WATER SPRAY (MOUNTED NOZZLES)
• Equipment:
- Spray/ Nozzle types: Submit proposals.
- Nozzles: Position and direction adjustable, relative to surfaces and profiles.
- Controls: Submit proposals.

342 PRESSURIZED WATER CLEANING EQUIPMENT
• Manufacturer: Contractor's choice.
- Product reference: Contractor's choice.
• Operational pressure: Submit proposals.
• Nozzles: Subject to site trials.

352 STEAM CLEANING EQUIPMENT
• Manufacturer: Contractor's choice .
- Product reference: Contractor's choice .

362 CHEMICAL AGENTSgenerally
• Manufacturer: Submit proposals.
- Product reference: Contractor's choice.

372 PLAIN POULTICESFOR SALTS REMOVAL
• Poulticing medium manufacturer: Submit proposals.
- Product reference: Contractor's choice.
• Softening agent: Deionised water.

APPLICATION

412 REMOVAL OF LOOSELY ADHERED DEPOSITS
• Timing: Before commencement of other cleaning methods.
• Surfaces: Prevent damage, including abrasion.

422 BIOCIDE APPLICATION
• Preparation: Dampen dry growths and Remove loose growths.
• Surfaces: Prevent damage, including abrasion.
• Biocide treatment: Appropriate solutions to kill growths and inhibit further growths.
- Dead growths: Remove.

432 TOOLING
• Tooling of surfaces: As trial sample.

442 ABRASIVE BLOCKS
• Types: Suitable grades of carborundum or gritstone.
• Application: Lubricate with water. Remove detritus.
• Abrasive power tools: Prohibited.

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