The project isn't due for completion until 5pm this evening.
Water supply to parts of Clane may be interrupted for much of today.
Repairs to a burst water-main begin at 10am.
Supply to Liffey Lawns, Abbey Court, Butterstream Drive, Butterstream Lawn and Prosperous Road could be implacted.
The project is due for completion at 5pm.
It could take up to three hours, after that, for the system to refill and for normal supply to resume.

Friday's Kfm Obituary Announcements
New Cultural Programme Set For Castletown House
Celbridge Woman Who Lost Sister To CF Calls For People To Support Today's Fundraiser
Protestors, Including Kildare's John Dallon, Refused Entry From Government And Agriculture Bodies Meeting
Defence Forces Travelling To The Curragh Today For Training
Newbridge Silverware’s Silver-plated Cutlery Factory Officially Closes
Martin Heydon Will Meet Farming And Haulier Groups This Morning Amid Fuel Protests
Missing 17-Year-Old Joshua Treacy From Maynooth Has Been Located