The concept of the multi-functional space was initially developed from the section of the proposed hall. The glulam rafter roof was reinforced by diagonal struts on either side to form the rigid frame. The upper part was glazed in contrast to the solid panel at the base. Emphasis would be on integrating the new work with the existing fabric. According to Cesare Brandi, the influential figure on historic conservation from the mid-century, when at the distance from which the new work to be viewed, the integration should render it invisible. The new and old were to become an unity. But from close up, the new needed to be distinguishable with no disguise. Reference was also made to the Venice Charter in 1964 for the conservation and restoration of monuments and sites. In article 13, the addition was not to detract the original heritage from its interesting parts, its traditional setting, the balance of its composition and its relation with its surroundings. The hand drawn perspective of the Caledonia Road Church below outlined visually the initial intent on how the new addition integrating into the existing fabric.