EVALUATION OF IN-HOUSE MAINTENANCE CONTRACT COSTS FOR GUARDRAIL, REST AREAS, PAVEMENT MARKER, STRIPING AND SEAL COATS. FINAL REPORT. REVISED EDITION. VOLUME I

摘要: An important decision for District Engineers is to determine the most efficient assignment of routine maintenance projects either State forces or private contractors. Frequently this may not be fully supported from point view cost-effectiveness. The purpose study perform an economic comparison two options concerning four types projects: seal coats, pavement markers, guardrail repair and rest areas. fundamental objective research quantify document all significant components cost using costs associated with use were found be: materials, labor, equipment, overhead, insurance, building-use, downtime. Alternatively, contractors elements were: bid price, contract administration, supervision. Total average are documented both in-house contractor on basis 403 conducted in six selected Districts SDHPT. It recommended that a more complete database developed extensive comparisons between options.