Line 57:
Line 57:
|Length-to-Width Ratio
|Length-to-Width Ratio
|Maximize flow path and minimize short-circuiting potential
|Maximize flow path and minimize short-circuiting potential
−
|i) Overall: minimum 3:1; ii) Forebay: minimum 2:1
+
|
+
#Overall: minimum 3:1;
+
#Forebay: minimum 2:1
|-
|-
|Permanent Pool Depth
|Permanent Pool Depth
Line 69:
Line 71:
|Side Slopes
|Side Slopes
|Safety
|Safety
−
|i) 5:1 For 3 m above and below permanent pool (ii) Maximum 3:1 elsewhere
+
|
+
#5:1 For 3 m above and below permanent pool;
+
#Maximum 3:1 elsewhere
|-
|-
|Inlet
|Inlet
|Avoid clogging/freezing
|Avoid clogging/freezing
−
|i) Minimum 450 mm; ii) Preferred pipe slope: >1%; iii) If submerged, obvert 150 mm below expected maximum ice depth
+
|
+
#Minimum 450 mm;
+
#Preferred pipe slope: >1%;
+
#If submerged, obvert 150 mm below expected maximum ice depth
|-
|-
|Outlet
|Outlet
|Avoid clogging/freezing
|Avoid clogging/freezing
−
|i) Minimum: 450mm outlet pipe; ii) Preferred pipe slope: >1%; iii) If orifice control used, 75mm diameter minimum; (iv) Minimum 100mm orifice preferable
+
|
+
#Minimum: 450mm outlet pipe;
+
#Preferred pipe slope: >1%;
+
#If orifice control used, 75mm diameter minimum;
+
#Minimum 100mm orifice preferable
|-
|-
|Maintenance Access
|Maintenance Access
|Access for backhoes or dredging equipment
|Access for backhoes or dredging equipment
−
|(i) Provided to approval of Municipality; (ii) Provision of maintenance drawdown pipe preferred
+
|
+
#Provided to approval of Municipality;
+
#Provision of maintenance drawdown pipe preferred
|-
|-
|Buffer
|Buffer