1 Shielding to protect workers by using trench boxes or other types of supports to prevent soil cave-ins. 2  Always provide a way to exit a trench--such as a ladder, stairway or ramp--no more than 25 feet of lateral travel for employees in the trench. 3  Keep spoils at least two feet back from the edge of a trench.
Instructions. 1  Whisk starter culture and sea salt into 1Â½ quarts filtered water until well-dissolved. 2  Place beets into a 1-gallon vegetable fermenter or fermentation crock. 3  Allow the kvass to ferment at room temperature for at least one week before straining and serving.
Cut off leaves and stems, leaving about 1 inch of the root end. Reserve beet leaves for a recipe using them. Place beets in large heavy pan and cover with water over medium-high heat. Bring just to a boil; reduce heat to medium, cover and cook until fork tender, approximately 25 to 30 minutes. Remove from heat and drain. Let beets cool until you can safely handle them.