1/ Issuing building permits 2/ Supervising projects 3/ Performing surveying 4/ Land subdivision 5/ Facade design 6/ Garden design 7/ Modifying building components 8/ Issuing fencing permits 9/ Preparing structural plans 10/ Preparing safety plans 11/ Interior design 12/ Issuing demolition permits 13/ Correcting the status of an existing building 14/ Architectural design works 15/ Transferring and renewing building permits