At least 1 metre of freeboard is required. Freeboard is the height from the top of the water. level (i.e. spillway level) to the top of the wall. 11. Stockpiled topsoil should be spread over. the dam wall and spillway and seeded immediately. with grasses to promote stabilising vegetation.
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Issues a refund to the PayPal account holder associated with a transaction. This API operation can be used to issue a full or partial refund for any transaction within a default period of 180 days from when the payment is received.