DHAKA POWER DISTRIBUTION COMPANY (DPDC) IS A NATIONAL COMPETITION ENTRY ORGANIZED BY IAB ( INSTITUTE OF ARCHITECTS BAGLADESH). DPDC HAS TAKEN INITIATIVE TO ESTABLISH AN UNDERGROUND SUBSTATION IN BANGLADESH. THE SITE WHICH IS IN KARWAN BAZAAR,DHAKA  IS CONSIDERED AS CITY HEART OF COMMERCIAL DEVELOPMENT IN THE CITY. SITE LOCATION CARRIES IMPORTANCE OF CONTEXTUAL LANDMARK. BAHSUNDHARA CITY, UTC,WASA HEAD QUARTER ETC HAS CREATED A COMMERCIAL HUB IN THIS AREA. WITH THIS URBAN CONTEXT TRAFFIC ISSUE IS A PRIOR CONSIDERATION TO CREATE AN IDEA WHICH IS ADDRESSED CAREFULLY IN THE DESIGN. OPEN NORTH SOUTH ORIENTATION HAS GIVEN BENEFITS TO ADDRESS ALL THE CLIMATIC CONSIDERATION IN THE BUILDING’S EXTERIOR AND INTERIOR SPACE. WELL SHADED NORTH ENTRANCE WITH URBAN VOID WELCOMING PEOPLE TO THE BUILDING THROUGH A LARGE STAIRCASE CONNECTS WITH A “UPLIFTED URBAN PLATFORM” WHICH IS A PLACE FOR SOCIAL INTERACTION FOR THE USERS AT THE SOUTH WEST CORNER. AS ENVIRONMENTAL SOLUTION, EAST -WEST SCREEN IS MORE SOLID THAN NORTH SOUTH. NORTH AND SOUTH FACADE HAS CONCRETE SCREEN WHICH CREATES PROPER SHADING TO CUT THE HEAT AND PRESENT A COMFORTABLE ENVIRONMENT. PROPOSED SUBSTATION AREA IS PROPERLY ADDRESSED WHICH WAS MENTIONED BY CLIENT. DESIGN STAGE IS DIVIDED INTO PHASES SO ROLE OF 33 KV SUBSTATION'S SMOOTH ELECTRICITY SUPPLY WILL NOT BE HAMPERED. THE OVERALL ATTEMPT WAS TO DEDICATE AN URBAN BREATHING SPACE THROUGH SPACE MAKING WITH ADDRESSING ALL FUNCTIONAL CHALLENGE.