Sheet of Ice
The centre line, one-half inch in width, shall be placed the length of the sheet through the centre of the tee lines to a point 12 feet (3.658 m) behind each tee.
At each end of the sheet there shall be three distinct lines drawn from sideline to sideline as follows:
a)Each tee line, one-half inch in width, shall be placed 12 feet (3.658 m) from the hack to the centre of the tee line and there shall be 114 ft (34.747 m) from the centre of one tee line to the centre of the other tee line...
b)Each back line, one half inch in width, shall be placed 6 ft (1.829 m) from the centre of the tee line. The back line is a tangent with the outer edge of the 12 foot circle both exactly 6 ft (1.829 m) from the tee where the back line intersects the centre line.
c)The hog line, 4 inches (10.16 cm) in width, shall be placed with the inner (circle side) edge 21 ft (6.401 m) from the centre of the tee line.
With each tee as centre, there shall be drawn four concentric circles at each end with the outer edge of the outer circle having a radius of 6 ft (1.829 m), the next circle 4 ft (1.219 m), the next circle 2 ft (60.96 cm) and the inner circle a minimum of 6 inches (15.24 cm).
Excerpt from Curling Canada Rule Book
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