Design Built Item rate tender for construction of structural works for towers no.3&4, corresponding amenity blocks, stilt areas and basements located on south of palavagau consisting of earth work, raft or pile raft foundations, PT Basement slabs, RC Core, structural steel floor beams, Structural steel diagrid, water proofing, decksheet flooring and other miscellaneous works complying to requirements of IGBC Green new buildings Platinum level certification for Integrated Andhra Pradesh State Secretariat and Head of Departments(HODS) office buildings at AGC, Amaravati, Andhra Pradesh