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520 SETTING IN EARTH
• Holes: As small as practicable.
• Components being fixed: Accurately positioned and securely supported.
• Buried depth (minimum): 200 mm.
• Earth refill: Well rammed as filling proceeds.
530 PRESERVATIVE TREATED TIMBER
• Surfaces exposed by minor cutting and drilling: Treated by immersion or with two
flood coats of a solution recommended for the purpose by main treatment solution
manufacturer.
• Heavily worked sections: Re-treat.
540 BUILDING IN TO MASONRY WALLS
• Components being built in: Accurately positioned and securely supported. Set in
mortar and pointed neatly to match adjacent walling.
• Temporary support: Maintain for 48 hours (minimum) and prevent disturbance.
RotF generic (intermediate) NBS 2014 6118-AEW-XX-XX-NBS-A-01
