North Street Cooling Towers Private Limited supplies Reinforced Cement Concrete - RCC Cooling Tower Structure. North Street Cooling Towers Private Limited has obtained ISO 9001:2000 certifications. North Street Cooling Towers Private Limited manufactures cooling towers. Reinforced Cement Concrete - RCC Cooling Tower Structure is available in AsCu treated timber. The standard structural design of Reinforced Cement Concrete - RCC Cooling Tower Structure is based on wind loading of 150 kg/sq.M. Chrome Copper Arsenate as per IS-401 is used in this structure. For RCC super-structure IS-456 is followed and RCC cold water basin designed based on IS-3370.