ii 2 underground fuel tanks of diameter 4m and length 18m 200000L iii 4 underground fuel tanks of diameter 2 4m and length 8m 35000L iv 4 underground fuel tanks of diameter 3 8m and length 9m 90000L v Four Chimneys for the boiler of the campus of diameter 1m and height 13m including elbows and accessories with expansion joints elbows