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SECTION B - Derry City Council

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Additional Clauses, Tables and Figures (Cont.)<br />

Clause No<br />

Title and written text<br />

178 AR FAILURE TO DISAPPROVE<br />

179AR<br />

Failure by the <strong>Council</strong> or any person acting under them to disapprove any work or<br />

materials shall not prejudice the power of the <strong>Council</strong> or any of their representatives<br />

to subsequently disapprove such work or materials.<br />

WAYLEAVES AND RIGHTS OF ACCESS<br />

In general the Contractor shall allow for gaining access to boundary fences and<br />

adjacent areas from the Contract Area. If in the opinion of the <strong>Council</strong> access from<br />

the Contract Area is impractical then the <strong>Council</strong> shall notify the Contractor of any<br />

wayleaves or rights of access that have been arranged to enable the work to be<br />

undertaken.<br />

570AR<br />

TESTING AND DISINFECTION OF PIPELINES<br />

In addition to testing requirement in Appendix 1/5 and Clause 509 of the Specification<br />

for Highway Work.<br />

1. All Testing and cleaning of pressure pipelines and non pressured pipelines<br />

should be tested to the requirements of the Civil engineering specification for<br />

the water industry 6 th Edition Section 7<br />

2. Testing of polyethylene pressure pipelines shall be carried out in accordance<br />

with the procedures in “”Pressure Testing of Water Supply Pipelines and<br />

Sewers Rising Mains” by WRc<br />

3. Swabbing and disinfection of watermains should be carried out to<br />

requirements in Civil engineering specification for the water industry 6 th<br />

Edition Section 7<br />

670AR<br />

EXCAVATION AND REMOVAL OF EXISTING PAVEMENT / FOOTWAY<br />

SURFACES<br />

1. Where directed, existing asphalt, macadam, concrete, flagged or paved<br />

/footway surfaces shall be broken up to the specified depth.<br />

2. Where directed, stone, concrete flags, paviors etc shall be carefully taken up<br />

and set aside for reuse. Any sound materials damaged in the foregoing<br />

operation shall be replaced at the Contractor's expense.<br />

All surplus material shall be excavated and removed to an approved tip / recycling<br />

area provided by the Contractor. The Contractor may be instructed to deposit<br />

excavated material in areas of fill as directed by the <strong>Council</strong>.<br />

17

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