tender for barwa providing sewerage facility and sewage treatment plant at village barwa district bhiwani, `design, construction, erection, testing and commissioning of 2.50 mld sewage treatment plant based on sequential batch reactor ( sbr ) technology complete in all respect including mps with peak factor 3, landscaping, all civil, electrical, mechanical work, piping and instrumentation work with plc and scada arrangement for sbr unit of stp and mps as described in scope of work of dnit including o and m for 12 months during defect liability period after trial run of 3 months and 5 years thereafter and all other works contingent thereto