bid document for constructing rcc esr 50,000 lit. cap. and 12 m height (own design/type design), providing, lowering, laying and jointing rising main pipeline pvc 6kg/cm2 90 mm dia- 354 mtr. providing, lowering, laying and jointing connecting pipeline pvc 6kg/cm2 90 mm dia- 126 mtr and valve stand, pumping machinery (1.00 nos) and transparency board, bhit sutra and vap board at village: khilod, ta:- satlasana, dist:- mehsana under augmentation tap connectivity in rural area - general 2026-2027