its ur job to inspect the interior at then end of the day... HDB take over the keys..just sent pple down to see see look look only. how long do u think it will take to jus walk 18 storeys and view 7 units. what do u think they will check? at most they jus make sure that all the unit have kitchen n toilet flooring and tile laid, the correct units have all the OCS, and those dun have one... i dun think there is much to see other than a grey image full of cement.. so when u tak over they keys...make sure what suppose to be there is there... and the things that are there is in good condition.