Document Summary

This document comprises the Solid Chemical Application Guidelines for an Effective Anti-icing Program issued by the New Jersey Department of Transportation (NJDOT) for its Winter Maintenance Program. The guidelines were adapted from the Manual of Practice for an Effective Anti-Icing Program prepared by the Federal Highway Administration (FHWA), US Army Cold Regions Research and Engineering Laboratory, and the Corps of Engineers in 1996. This is a technical guidance document rather than a contract award, establishing operational standards for the application of solid chemical de-icing materials across New Jersey's transportation infrastructure.

The document provides comprehensive operational protocols organized by weather event type, including light snow storms, moderate or heavy snow storms, frost or black ice conditions, freezing rain storms, and sleet storms. For each weather scenario, the guidelines specify pavement temperature ranges, maintenance actions, and chemical application rates measured in pounds per lane-mile (lb/lane-mi). Chemical spread rates vary significantly by temperature and conditions, ranging from 150 to 400 lb/lane-mi depending on circumstances. Initial operations typically employ solid or pre-wetted solid chemicals, with subsequent operations adjusted based on pavement conditions and precipitation intensity. The document emphasizes pre-application of chemicals ahead of traffic rush periods, monitoring of pavement temperatures, and adjustment of application rates according to environmental conditions. Below 15°F, application of chemicals is generally not recommended, with abrasives recommended instead for enhanced traction.