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Use of Road-grade Recycled Plastics for Sustainable Asphalt Pavements: Final Performance and Environmental Assessment Part A
This report is the third of a series of reports for project APT6305. The first report examined the use of road-grade recycled plastics in asphalt pavements and investigated the most suitable types of recycled plastics for incorporation into asphalt.…
National Prequalification System for Civil (Road and Bridge) Construction Contracts
The National Prequalification System for Civil (Road and Bridge) Construction Contracts has been developed to consolidate the various jurisdiction specific systems previously in place into a seamless, harmonised framework for applications,…
Improved Distress Viscosity Model for Reseal Intervention
An existing model predicted binder life by combining a binder hardening (increase in viscosity) model and a distress viscosity model. Inputs for the two models were site temperature parameters, binder durability (resistance to hardening) and seal…
Environmental Management Tools for Road Maintenance Contracts
The purpose of these Guidelines is to assist road agencies and their contractors in developing a systems approach in the management of environmental issues. The guidelines are structured in four parts to allow the reader to readily access…
Development of Performance Contracts and Specifications: Full Report
This report has been prepared as part of Austroads project NT & E 9904 (T & EP N006), “The Development of Performance Contracts and Specifications”, the goal of which is to develop a framework for performance contracts and specifications. The report…
Lane Rental: Contract Options, Practices, Benefits and Disbenefits
A form of contract, lane rental was developed to facilitate major motorway rehabilitation contracts in the United Kingdom in the 1980s, and has since been used in the United States. Lane rental contracts are a performance-based contract where road…
Environmental Assessment of Emulsions
Split into two sections, a summary and detailed scientific report, this report details a study into the environmental impact of the use of alternative bituminous binders in sprayed sealing work. An important goal of the work was to gain an…
Quality Assurance in Contracts
This document was produced to assist clients and contractors and establish the principles of quality assurance in contracts and defines desirable practice for clients to adequately specify requirements and contractors to deliver capably. It also…