- Certified engineering office in Riyadh offering a full range of engineering consulting services: 1- Issuing building permits 2- Issuing permits for completion of construction, renovation, and demolition 3- Updating property deeds and surveying works 4- Correcting the status of an existing building 5- Amending and renewing building permits 6- Architectural, structural, electrical, and mechanical design 7- Subdividing real estate units 8- Security and safety plans 9- Immediate technical reports for civil defense 10- Submitting to civil defense 11- Group licensing Engineer / Ahmed Zaal Al-Otaibi ( Phone number appears when clicking the contact button )