Did you buy those unsold house from developer with very big discount?? It seen like you must report defect on those 5 items within 5 days after collect the key. Here has nothing to say on normal 24 mths DLP to be beared by developer. To me is like they only give you five working days to file defect after collect the key.

And the electric and water are quite common, first clause it said developer have to provide all infra on electric and water. Then purchaser need to pay them deposit when they request. So if both have been done, then on your VP date the water and electric supply  should be available when you got the key