Site prep, earthworks, reactor foundations, condenser/pump plinths, tank farm slabs, MCC/substation slab, process shed, control room, workshop, warehouse, welfare block, internal roads, drainage, bund walls, spill containment, feedstock yard, carbon black shed, oil loading area, and perimeter security, with a smaller footprint of roughly 1–1.5 acres versus 5–7.5 acres for the larger plant.