Investigation, Design & construction of Physical Infrastructure and Social Infrastructure in EWS layouts at Sattenapalli, Macherla, Piduguralla, Vinukonda, Repalle, Chilakaluripeta, Tenali Phase2 ULBs in Guntur district, Ongole Phase1 ULB in Prakasam district, Only Social Infrastructure at Guntur, Tenali-I, Ponnuru ULBs in Guntur district and Design, Supply, Construction, Installation, Testing and Commissioning of eight (8) Sewage Treatment Plants (STPs) of a total capacity of 9.90 MLD (Sattenapalli - 0.30 MLD, Macherla - 1.00 MLD, Piduguralla - 1.80 MLD, Vinukonda - 1.50 MLD, Repalle - 0.70 MLD, Chilakaluripeta - 2.80 MLD, Tenali-I - 0.60 MLD, Ponnuru - 1.20 MLD) based on any appropriate technology (Technology neutral) with post completion Operation and Maintenance of entire STPs for 7 (Seven) years including 2 (Two) years Defect Liability Period under PMAY-HFA(U) scheme om Lump sum contract (Percentage Tender) (With DLP of 2 years).