The Forest Engineering Research Institute of Canada (FERIC) undertook a study with TimberWest Forest Corporation Ltd., to investigate the feasilbility of using a rubber-tired grapple skidder to complement a loader-forwarding operation on moderately steep slopes in second-growth forests in coastal British Columbia. This report presents the productivity and cost of the skidding operation, identifies the factors that influence performance of the grapple skidder, and describes the soil disturbance resulting from skidding.