Attend school to investigate a burst main reported by south east water.<br />
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Isolate both water main connections to school and identify leak is under the front foot path between the water authorities main valve and the schools main.<br />
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Call the water authority to confirm who's responsibility it is and if I am allowed to work on the main, they confirmed its the schools responsibility and I am authorised to repair it.<br />
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- Cut and jackhammer front footpath<br />
- excavate trench 1.2w x 2.2l x 1.5d to expose 100mm copper water main<br />
- identify split in 100mm copper main<br />
- cut out and replace 100mm copper between both  isolation valves.<br />
- leave under test for 24h<br />
- wrap new section in petroleum tape<br />
- backfill pipe section with snad<br />
- back fill trench<br />
- replace water main t head<br />
- install bunting around excavation to make safe<br />
- test and check water