The opportunity is for the supply of quarry spalls. The document does not provide detailed information about the job, but it can be inferred that the contractor will be responsible for delivering quarry spalls to the specified location. The key factors to consider for this opportunity include the quantity of quarry spalls required, the delivery schedule, and the quality standards. • The quantity of quarry spalls required is between 2 and 4 cubic yards. • The document does not specify the delivery schedule or the quality standards. • The contractor will need to ensure that the quarry spalls meet the required specifications and are delivered on time.