Title Page
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Conducted on
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Prepared by
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Location
General
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Checked
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Protection on site (To OH&S Act & Clauses 12 & 15 of AS 4000)
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Alteration of services
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Establish survey marks
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Current drawings and documentation on site
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TMP & PMP on site
Materials
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Checked
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Approved Water Company materials
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Storage and manufacture date
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Concrete
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Driver’s dockets checked – pipe type and sizes as specified
Excavations
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Checked
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Trench width adequate
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Method of excavation
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Securing excavations
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Nature of ground
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Drainage and dewatering
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Foundation - Standard Dry density 95%
Installation of Pipeline
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Checked
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Inspection of components
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Laying of pipes to min. cover requirements
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Pipe embedment material
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Jointing
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Witness mark for cut pipes
Corrosion protection
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Steel pipe joints protected
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Cathodic protection of steel mains
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Thrust restraints - correct size and material
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Assemblies installed in accordance with drawing
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Cleanliness of pipes
Backfilling of Excavation
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Checked
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Selected materials from site
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Crushed rock under pavement and all footpaths
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Tunnels drives bores
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Compaction tests to code & % DD ratio options
Service Connections
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Checked
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Correct size with marker tape in compliance with drawings
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Laid at levels to suit roadworks and minimum cover
Dual Water Systems
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Checked
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Alignment and clearances in accordance with drawings
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Colours correct
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Marker tapes
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NDW services on left facing into property
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At crossings NDW main passes under DW
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Services connected correctly (checked as per water agency requirements).
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Cross connection where required.
Commissioning
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Checked
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Swabbing – all swabs recovered
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Hydrostatic water pressure testing (Test all pipelines)
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Chlorination
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Covers flush with surface
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Markers and marker posts installed
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Live connection
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Gatic covers to all hydrants and valves in pavement and footpath areas
Restoration
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Checked
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Temporary and permanent, pavement and grassed areas
Completion of Works
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Checked
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To This Section
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To All Works