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2015/2016 Standard specification for road maintenance



2015/2016 Standard specification for road maintenance


Standard specification for road maintenance; Reports; PublicationNT




Made available via the Publications (Legal Deposit) Act 2004 (NT).




Roads -- Northern Territory -- Maintenance and Repairs -- Periodicals

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Department of Infrastructure

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PROVISION FOR TRAFFIC STANDARD SPECIFICATION FOR ROAD MAINTENANCE DoI REFERENCE TEXT October 2015 Page 23 All Traffic Management Practitioners must record in their Daily Diaries time, date, location photographs of each approach, of speed limit installations and removals for legal purpose. These logs are required to be sent to the DoI Permit Officer at the completion of each project or monthly for long term projects greater than 1 month, via the Roads Reception 8999 4699, or faxed to 8999 4682. Temporary Speed Limits Hold Point 2.10.8 Submit temporary speed limit authorisation applications to alter speed limits to the Superintendent, 2 working days prior to the implementation of temporary speed limits, for approval under the Control of Roads Act. Place repeater speed limit signs along the road, which has a temporary speed limit imposed, after all intersections with other roads within the speed limited area. Design the Traffic Management Plans so that speed limits lower than the following minimums are not required. Table 2.3 Target Lowest Speed Limits Application Target speed limit not lower than Urban or built up areas. 40 km/h Bridge works, when restricting traffic to one lane and only in conjunction with a stop-traffic situation. A safety barrier conforming to the relevant Test Level in accordance with AS/NZS 3845 shall also be used. 40 km/h All other rural works. 60 km/h unless site conditions warrant a lower speed limit. Road Safety Barriers 2.10.9 Design, install and maintain all road safety barriers used within the NT Governments road reserve in accordance with AS 1742.3, AS/NZS 3845.1 and any other relevant and current Australian Standard associated with the works being proposed. Failure to meet the requirements of the relevant and current standards may result in the project being suspended by DoI or other relevant authorities, such as NT Work Safe, without cost to that authority until the project meets the required safety standards. EXCAVATIONS, STOCKPILES AND 2.11 GRADIENTS WITHIN WORK ZONES AND CLEAR ZONES NT WorkSafe Guideline in Relation to 2.11.1 Excavations Provide shoring to all trenching or excavations which are deeper than 1.5 m and where a person is required to enter unless an engineer certifies that shoring is not required. Provide a copy of the Engineers certification on request. Comply with the provisions of the Code of Practice for Excavation Works available from Safe Work Australia. Comply with the NT Work Safe Codes of Practice and Safe Work Australia Codes of Practice applicable to the works. DoI requirements for excavations, 2.11.2 stockpiles or other gradients Comply with the following DoI requirements for excavations, stockpiles or other level change greater than 150 mm in addition to Appendix D of AS 1742.3:2009 Protection and delineation at excavation works. Implement the minimum protection requirements in accordance with AS 1742.3 during each work day, however, if any excavations, stockpiles or other steps in level change greater than 150 mm are to be left in place longer than one work shift or are left unattended for any period of time, during any day, overnight or weekend and adequate clearance in accordance with AS 1742.3 is not available, protect them by prudent use of approved road safety barriers, backfilling, covering and or removing from site accordingly. TEMPORARY PAVEMENT MARKING 2.12 Where new pavement surfacing or existing pavement resurfacing is being undertaken, install temporary raised reflective pavement markers at the end of each day and prior to the loss of daylight at 24 m maximum spacing. If so instructed by the Superintendent, temporary line marking at the end of each day may also be required until completion of the works when the permanent line marking is reinstated. Only use temporary raised reflective pavement markers that conform to AS 1742.3, Section 3.9. For long term road construction works where sealed detours merge into existing sealed pavements, or where sealed side roads merge into sealed detours, line mark transition areas in accordance with the standard drawing for Line Marking CS 1520 and in accordance with AS 1742, including the setting out of arrows, letters, numerals and chevrons. Removal of Temporary Line marking 2.12.1 All line removal works must be carried out in such a manner as to not endanger the health, safety or

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