1. URBAN DESIGN Non-standard (Alternative) and Aesthetic Liafis A Ogboye, P.E.

2.  8 Years at CenterPoint Energy (CNP)  Current position: Supervising Engineer – Major Underground Engineering – Pad Mount  Previous experience:  Substation and Distribution System Protection  2 years at Amtrak (National Passenger Railroad Corp) in Electric Traction INTRODUCTION 2

3.  5000 sq. mi service territory  2.3 million electric customers in Houston area  Overhead and underground circuits CENTERPOINT ENERGY. 3

4.  Service standards and requirements  >300 KVA demand load requires for underground service @ 208Y/120 V  >500 KVA demand load requires for underground service @ 480/277 V  Concrete encased Duct Banks for all installations for 3 phase installations with 4’ cover from final grade.  Clearances  Easements o Acquisition of ground and aerial easements o Easements must be clear of all walls and structures  Equipment and Transformer Pads  Access to transformers and pad mounted switches o Driveway access (min 12’ wide, 14’ vertical clearance & HS-20-44 loading)  Terminal Poles  Right-of-way vs customer property CNP REQUIREMENTS 4

5. AESTHETICS BY CUSTOMERS. 5

6. ALTERNATIVE DESIGNS. 6

7. THANK YOU 7..