A/R M/O Non Residential buildings under Sub Division No.II, NACD, APWD, Mayabunder during the year 2025-26.SW-Replacement of filter media at Rest camp and Tugapur No.2 WTP under Sub- Division No.II, NACD, APWD, Mayabunder

Finishing walls with Acrylic Smooth exterior paint of required shade:

New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm)

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

Supplying and stacking at site.

53 mm to 22.4 mm size stone aggregate

Stone screening 11.2 mm nominal size (Type B)

Supplying and Laying of mainland River sand (Granular type) for filtermedia of slow sand filter bed at Lucknow treatment plant, Mayabunder, North Andaman with effective size of sand 0.20 mm to 0.50 mm with uniformity coefficient of 1.50 mm complete including transportation from mainland to Lucknow treatment plant including cost all transportation charges by ship, truck & other means of transport with inclusive of all related tax in or upon to stacking the materials at site complete as per the directed by Engineer in Charge.

Supplying and Laying of materials in position required for the filter media of slow sand filter as directed by Engineer in Charge.

Stone Aggregate 63mm to 45mm

Stone Aggregate 53mm to 22.4mm

Stone screening 11.20 mm nominal size (Type A)

River Sand

Removal of stone aggregates of various sizes and sand from the filter bed including t lift upto 3.00 mtr and stacking on open yard with a lead of 50 meters as per the directon of Engineer-in-charge.

Cleaning the filter bed inner surface including removing the deposited slit and removing dirt etc including washing the surface with the help of required scrubbers and also cleaning with sedimentation tank & clorination chamber where ever required, without causing any scratching/damage to the filter bed structure and finally washing the surface with clean water with the help of pressure jet machine all complete as per direction of Engineer-in-charge. (The rate is inclusive of all materials, labours & scaffolding involved including lead & lift)