TY - SER AU - Harrell,Bob L. TI - O&M outages: Effective owner-contractor relationships PY - 2010/// CY - PB - N2 - Transcripción del resumen del autor. The difficulty in accurately tracking contractor hours and contract terms for hundreds of on-site contractors contributes to maintenance projects often being completed late, over budget or tied up in payment disputes. Traditional manual, paper-based processes for tracking time and payment have failed, leading to errors, disputes and lengthy and costly payment delays. There is better solution, as Bob L. Harrell explains ER -