I need help with drainage around my bilco door.

It is located downhill and we have had water in our basement at different seasons. Once water (from rain and melting snow) pouring down the stairs over ice covered grass in our yard. We have raised the bilco door unit up on pressure treated wood but it is still flush with the grass surface surrounding it. I would like advice about how to install drainage around the unit that will move drainage away from the bilco door. We have a slight downgrade leading to a street level storm drain. Any advise and help is appreciated. Thanks!icon

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