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Line 60:
The bottom of the reservoir should be level so that water infiltrates evenly. If the system is not designed for infiltration, the bottom should slope at 1 - 5% toward the underdrain.
The bottom of the reservoir should be level so that water infiltrates evenly. If the system is not designed for infiltration, the bottom should slope at 1 - 5% toward the underdrain.
'''[[Permeable paving: Sizing and modeling]]'''
'''[[Permeable paving: Sizing]]'''
==Gallery==
==Gallery==