General

S11.6.2: Before reinstatement, all test holes should be made safe and maintained in a safe condition.
S11.6.3: Test holes up to 25 mm diameter must be reinstated to an immediate permanent standard.
S11.6.4: Test holes larger than 25 mm diameter may be reinstated to an interim standard if required.
S11.6.5: In modular surfaces, preference should be given to lifting individual modules before drilling test holes whenever reasonably practical.
S11.6.6: In unmade ground, test holes must be tamped closed or filled with appropriate materials.