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Standard specification for road works 2015/2016



Standard specification for road works 2015/2016


Standard specification for road works; Reports; PublicationNT




Made available via the Publications (Legal Deposit) Act 2004 (NT).; Check within Publication or with content Publisher.


miscellaneous provisions ■ provision for traffic ■ clearing grubbing and rehabilitation ■ earthworks ■ conformance testing ■ pavements and shoulders ■ stabilisation ■ spray sealing ■ dense graded asphalt ■ slurry surfacing ■ miscellaneous concrete works ■ drainage works ■ protection works ■ road furniture and traffic control devices ■ pavement marking ■ landscape ■ ducting and conduits ■ traffic control signals ■ traffic counting stations ■ street lighting ■ directional (thrust) boring ■ measurement and payment ■ referenced documents ■ nt climate zones table ■ This document specifies the general standards of materials and workmanship required by the Department of Infrastructure for construction of civil road network assets




Roads -- Northern Territory -- Works -- Periodicals.

Publisher name

Department of Infrastructure

Place of publication



Second edition

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PROTECTION WORKS STANDARD SPECIFICATION ROADWORKS DoI REFERENCE TEXT December 2015 Page 90 13 PROTECTION WORKS 13.1 STANDARDS Conform to the following Standards and Publication unless specified otherwise: AS 1012 Methods of testing concrete. AS 1141 Methods of sampling and testing aggregates. AS 1141.25.1 Degradation factor Source rock (Washington Degradation Test). AS 1141.26 Secondary minerals content in basic igneous rocks AS 1141.29 Accelerated soundness index by reflux. Basic igneous rocks AS 1289 Methods of testing soils for engineering purposes. AS 1725 Galvanized rail-less chainwire security fences and gates. AS 2001.2.3.2 Methods of test for textiles Method 2.3.2: Physical tests Determination of maximum force using the grab method. AS 2423 Coated steel wire fencing products for terrestrial, aquatic and general use. AS 2758.1 Aggregates and rock for engineering purposes - Concrete aggregates. AS 3706 Geotextiles - Methods of test. AS 3972 General purpose and blended cements. AS 4133 Methods of testing rocks for engineering purposes. AS/NZS 4671 Steel reinforcing materials AS/NZS 4680 Hot dip galvanized (zinc) coatings on fabricated ferrous articles. NTMTM NT Materials Testing Manual. NTTM NT Test Methods 13.2 FOUNDATIONS Excavate, fill and trim the site to the required shape prior to commencing the protection works. Compact the top 150 mm of earthworks, on which protection works are to be laid to 90% maximum dry density ratio (modified). 13.3 GEOTEXTILE FABRICS 13.3.1 General Supply and lay non-woven polypropylene or polyester geotextile fabric, consisting of long chain synthetic polymers composed of at least 95% by mass of polyolefins or polyesters. The geotextile filaments must be rot-proof, chemically stable and must have low water absorbency. Filaments must resist delamination and maintain their dimensional stability in the geotextile. Non-woven geotextiles must have filaments bonded by needle punching, heat or chemical bonding processes. Woven geotextiles must have filaments interlaced in two sets, mutually at right angles. One set must be parallel to the longitudinal direction of the geotextile. Geotextiles must be free of any flaws which may have an adverse effect on the physical and mechanical properties of the geotextile. Geotextiles must be stabilised against ultraviolet radiation such that, when tested in accordance with AS 3706.11, must have a retained strength of at least 50% after 500 hours of exposure. 13.3.2 Storage, Packaging and Handling Geotextiles must be stored under protective cover or wrapped with a waterproof, opaque UV protective sheeting to avoid damage prior to installation. Geotextiles must not be stored directly on the ground or in any manner in which they may be affected adversely by heat, water or soil. The method of storage must be in accordance with recommendations by the manufacturer. The protected geotextile rolls must be clearly labelled showing manufacturer, type of geotextile, and batch identification number. Handle rolls with forklifts or similar, using dedicated slings, free of sharp hooks or tongs. Rolls that are dropped, dragged or pushed around on the ground will be rejected. 13.3.3 Delivery and Product Certification Geotextile must be delivered to site at least 5 days prior to commencement of installation. Provide a Certificate of Compliance that the geotextile complies with all the requirements as specified, together with test results reported on NATA endorsed test documents. The certificate must not be more than 12 months old. The Certificate of Compliance to include: quality control documentation for the relevant batch/lots, physical properties sheet, and manufacturers letter of certification stating compliance. 13.3.4 Construction Prepare smooth surfaces for placement of the geotextile, free of sharp objects, large rocks and protruding vegetation. Place geotextiles just ahead of the advancing face of construction work, with a maximum of 48 hours of placement prior to covering. Repair punctures and tears.