ACCORDING TO THE OCCUPATIONAL SAFETY AND HEALTH RULES AND REGULATIONS WHEN EMPLOYEES ARE REQUIRED TO BE IN TRENCH AT LEAST _____FT. DEEP OR MORE IN UNSTABLE SOILS WHERE THERE IS DANGER AT CAVE IN THE SIDES SHALL BE SHORED, SHEETED, BRACED OR SLOPED

ACCORDING TO THE OCCUPATIONAL SAFETY AND HEALTH RULES AND REGULATIONS WHEN EMPLOYEES ARE REQUIRED TO BE IN TRENCH AT LEAST _____FT. DEEP OR MORE IN UNSTABLE SOILS WHERE THERE IS DANGER AT CAVE IN THE SIDES SHALL BE SHORED, SHEETED, BRACED OR SLOPED