New water treatment and cooling system
In 2004, INSIG decided to do renovation of existing furnaces with new and advanced Arc furnaces.  The water treatment and cooling system as a one package in a tender, awarded for Wahang Saran.
The scope of work was as follow:
-    Raw water reservoir concrete tank
-    Softened water reservoir concrete tank
-    DM water metallic tank
-    BWRO unit- 2×25 m3/hr
-    Water softeners – 400 m3/hr
-    Water circulation for furnaces
-    Supplying heat exchangers in the circuit of cooling tower
-    Supplying special wastewater pumps for transfer of casting machines
-    Wastewater treatment and recycling of oily and dusty wastewater of casting machine
-    Emergency elevated reservoir tank
-    New cooling tower & side stream filter
-    Revamping of old cooling tower
-    Firefighting system
-    Compressed process air for steel production process