supply of sealed glass unit for fixed window (size: 1117x697x18.38 mm) for ac two tier lhb type coaches, conforming to rcf specification no. mdts-089 rev-4 to rcf drg no : lw54104, alt: g. note: as per drawing, glass for glass unit should be procured only from reputed manufacturerssealed glass unit for fixed window (size: 1117x697x18.38 mm) for ac two tier lhb type coaches, conforming to rcf specification no. mdts-089 rev-4 to rcf drg no : lw54104, alt: g. note: as per drawing, glass for glass unit should be procured only from reputed manufacturers,sealed glass unit for fixed window (size: 1117x697x18.38 mm) for ac two tie r lhb type coaches, conforming to rcf specification no. mdts-089 rev-4 to rcf drg no : l w54104, alt: g. note: as per drawing, glass for glass unit should be procured only fro m reputed manufacturers [ warranty period: 30 months after the date of delivery ] ]