Drainage and Plumbing
NSS Review: The drainage system has multiple redundancies in place, however, active monitoring is required. Elements of plumbing require disinfection.
NHS Lothian Response: Monitoring arrangements for drainage are incorporated into the building maintenance schedule. All necessary disinfection of plumbing will be incorporated into the maintenance schedules.
|Issue||NSS Review||NSS Action Assessment||NHS Lothian action|
|Drainage and plumbing 1||Sinks drains||Initial testing indicates that these are not significantly contaminated, however the horizontal drain and protruding seal means they retain stagnant water and they need to be disinfected periodically prior to and post occupancy to maintain their condition. From lessons learned, there should be a system of inspection and appropriate remedial action taken.||CLOSED
This will be incorporated into the water management plan prior to occupation of the building.
|Drainage and plumbing||Bottle traps||There would appear to be an inconsistency of installation and potential of back-feed from trap to drain. This requires review and rectification.||CLOSED
Disinfection of the bottle traps will be incorporated into the regular maintenance regime.
|Drainage and plumbing 3||Pumped drainage||The internal pumped sewage drainage system presents the potential for sewage to back up through basement drains on pump failure and will require active monitoring.||CLOSED
The monitoring of pumped drainage is in place and is on the critical alarm list.
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