Kingscote Streets Upgrades - Kangaroo Island Council
Kingscote Streets Upgrades - Kangaroo Island Council
Kingscote Streets Upgrades - Kangaroo Island Council
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4.4.2.4 Post Construction CCTV Inspection<br />
After completion of backfilling and surface reinstatement, the Contractor is arrange for and carry out<br />
a Closed Circuit Television survey of all new stormwater drainage elements, and provide a video of<br />
the survey to the Superintendent for approval.<br />
Any defects, including cracking, poor jointing, debris in pipes etc identified is to be repaired at the<br />
Contractor’s expense and re-surveyed by CCTV, to the satisfaction of the Superintendent. The resurvey<br />
of the pipes shall be in the same direction and adopt the same chainages as the previous<br />
survey.<br />
4.4.2.5 As Constructed Drawings<br />
The Contractor shall undertake an as-constructed survey in accordance with the general provisions.<br />
4.4.3 Tolerances<br />
The following tolerances shall apply to finished stormwater drainage works:<br />
Table 4.4<br />
Item<br />
Tolerances on Stormwater Drainage<br />
Tolerance<br />
Pipelines Vertical +0 mm, -4 mm in 2.4 m<br />
Longitudinal<br />
7.5 mm in 2.4 m<br />
Box Culvert Base Slabs Deviation from line 7.5 mm in 2.4 m<br />
Deviation in level<br />
Maximum deviation in line<br />
Maximum deviation in level<br />
+0 mm, -4 mm in 2.4 m<br />
15 mm<br />
4 mm<br />
Box Culvert Crown units Vertical +0 mm, -4 mm in 2.4 m<br />
Longitudinal<br />
Joints<br />
7.5 mm in 2.4 m<br />
Open Earth Channel Line +100 mm<br />
Level<br />
Across both wall and roof joints the<br />
maximum relative displacement<br />
between units shall not exceed 10 mm<br />
+25 mm<br />
Drainage structures Invert Level ±10 mm from specified<br />
Manhole covers/inlets of<br />
drainage pits<br />
Location<br />
Size, cross sectional<br />
Thickness of elements<br />
Finished level/line<br />
±100 mm longitudinally and ±10 mm<br />
laterally from specified<br />
±5 mm from specified<br />
-0 + 10 mm from specified<br />
To the tolerance specified for the<br />
finished level (e.g. finished pavement)<br />
4.4.4 Acceptance Criteria<br />
In the event that the materials and installation of stormwater drainage is not within the tolerances<br />
and quality requirements as detailed in this specification the Superintendent may direct:<br />
• the removal of non complying material and replacement<br />
• that the reduced service life arising from the non complying material is offset by reducing<br />
payment for the non complying material by the method determined by the Superintendent, or<br />
• any other remedial treatment that is expected to provide the required level of service.<br />
Ref No. 20120236SA1 <strong>Kingscote</strong> <strong>Streets</strong> <strong>Upgrades</strong> Technical Specification 21
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