Bargara Road Rehabilitation: Bitumen Surfacing and Asphalt Works
Awarded 04 Feb 2021
About
Transport and Main Roads awarded a contract to Boral Asphalt for bitumen surfacing and asphalt works on the Bargara Road Rehabilitation project.
The scope included tack coat and bitumen sealing over the working platform and below AC14H at a spray rate of 0.2l/m2, with supply of emulsion, plant, and labour.
Asphalt works comprised a 200mm heavy duty dense graded base layer (AC20H - A15E) staged over up to twelve visits, with each stage covering approximately 300m2 (about 120 tonnes per lot), and a 100mm heavy duty dense graded surfacing layer (AC14H A15E) applied in one establishment.
Deep lift asphalt was placed during dayshift, while the surfacing layer was placed at night using a shuttle buggy.
The contractor was required to maintain and submit all quality assurance documents to RoadTek, with all work in accordance with current TMR Standard Specifications MRS30 and MRTS30 (Jul 20) Asphalt Pavements.
The contract value was AUD 2,464,666, procured via a selective method.
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