providing, laying, jointing, interconnection, testing and commissioning of 63 mm dia to 75 mm hdpe pe-100, pn-6 pipe with suitable joints, valve specials and all fittings including all allied civil works, providing functional household tap connection fhtc 67 nos. in individual households and government instiution etc complete with trial run operation and maintanance for 06 months under power pump based piped water supply scheme