Renovation and upgradation of APH involving dismantling of existing APH, connecting ducts & expansion bellows to the extent required, disposal of all scrap to customer’s scrap yard, collection of new APH materials from BHEL storage yard inside the plant, transportation to site of work, Erection, testing and commissioning of new APH as per specification number 97972024368., drawings & Instructions of BHEL Engineer at RINL Vizag for 2 Nos of Air Pre Heaters of TPP Vizag.