Uws/rws scheme under gomati district tripura/sh- providing and supply of alumino ferric (grade-4 of is- 299- 2012, fifth revision with latest amendment), for use of 0.65 mgd swtp at amarpur, 0.15 mgd swtp at rangamati, 10000 gph modified iron removal

Ferric alumina in the form of slabs is: 299: 2012(fifth revision) , gr. 2, detailed specifications as per

Procurement and supply of bis-certified water treatment chemicals for rural water supply (rws) schemes, comprising alumina ferric (grade-iv) conforming to is 299 2012 (fifth revision) with the latest amendments and hydrated lime (grade-i), including

Procurement of bis certification marked alumino ferric fifth revision with latest amendment) for water treatment plant and gwtps under khowai municipal council during the year-2024-25.

Procurement of bis certification marked alumino ferric fifth revision with latest amendment) for water treatment plant and gwtps under khowai municipal council during the year-2025-26.

Procurement of bis certification marked alumino ferric fifth revision with latest amendment) for water treatment plant and gwtps under teliamura municipal council during the year-2024-25.

Procurement of bis certification marked alumino ferric fifth revision with latest amendment) for water treatment plant and gwtps under teliamura municipal council during the year-2025-26.

Procurement of bis certification marked alumino ferric fifth revision with latest amendment) for water treatment plant and gwtps under teliamura municipal council during the year-2025-26(gr-ii)

Providing of bis certification marked alumino ferric carrying to swtp and innovative scheme including loading unloading and stacking at site under dws sub-division dasda.

Procurement of alumino ferric, gr.iv (fifth revision of bis -299-2012)