Annual Repair Maintenance Of Water Supply Under Sub Division No.-I, Nacd, Apwd, Mayabunder During The Year 2025-26.Sw-Replacement Filter Media Of Water Treatment Plant At Lucknow, Mayabunder., Mayabunder-Andaman And Nicobar Islands
TDR : 51368382
Tender Notice
BOQ
Expired
Mayabunder
Andaman And Nicobar Islands
Annual Repair Maintenance Of Water Supply Under Sub Division No.-I, Nacd, Apwd, Mayabunder During The Year 2025-26.Sw-Replacement Filter Media Of Water Treatment Plant At Lucknow, Mayabunder.
Name of Work: A/R & M/O Water Supply under Sub Division No.-I, NACD, APWD, Mayabunder during the year 2025-26.SW:- Replacement Filter Media of Water Treatment Plant at Lucknow, Mayabunder.
Sl. No.
Item Description
1
Supplying and stacking at site.
2
63 mm to 45 mm size stone aggregate
3
53 mm to 22.4 mm size stone aggregate
4
Stone screening 11.2 mm nominal size (Type B)
5
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.
6
Finishing walls with Acrylic Smooth exterior paint of required shade:
7
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)
8
Supplying and laying of mainland River Sand (Granular type) for Filter Media of slow sand filter bed at Lucknow Water Treatment Plant Unit at Mayabunder North Andaman with effective size of sand 0.20mm to 0.50mm with uniformity co-efficient of 1.50mm complete i/c transportation from mainland to Lucknow treatment plant i/c cost of all transportation charges by ship, truck & other means oftransport with inclusive of all related tax in or upon to stacking the materials at site complete as per the direction of Engineer-in-charge.
9
Laying of stone aggragate of different size under filter bed in layers including ramming, consolidating and dressing complete as directed by E.I.C etc. complete.
10
Stone Aggregate 63mm to 45mm
11
Stone Aggregate 53mm to 22.4mm
12
Stone screening 11.20 mm nominal size (Type B)
13
River Sand
14
Removal of stone aggregates of various sizes and sand from the filter bed including lift upto 3.00 mtr and stacking on the open yard with a lead of 50 mtr as directed by the Engineer-in-cahrge.
15
Cleaning the filter bed inner surface including removing the deposited silt and removing dirt etc. including washing the suface with the help of required scrubbers and also cleaning with sedimentation tank & clorination chamber were ever required, without causing any scratching / damage to the filter bed structure and finally washing the suface 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)
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