piece-work means any work the pay for which is estimated by the amount of work performed irrespective of the time occupied in its performance;
Interface means the mixture occurring in pipeline operations between adjoining batches having similar or dissimilar physical characteristics.
Interfaces means, collectively, the CAD Interface and the Channel Access Interface.
Maintenance work means the repair of existing facilities when the size, type or extent of such facilities is not thereby changed or increased. While “maintenance” includes painting and decorating and is covered under the law, it does not include work such as routine landscape maintenance or janitorial services.
Contractor Software means software which is proprietary to the Contractor, including software which is or will be used by the Contractor for the purposes of providing the Services.