CUDDALORE CORPORATION - Supply and delivery of sand filter bed at capper hills to iron removal plant system in cuddalore city municipal corporation

Labour for removing dirty sand in layer of 25 mm uniform thickness from the slow sand filter, conveying, dropping the sand in a hopper with a lift of not exceeding 3 metres within a distance of 30 metres and delivering the washed sand in filter bed including removal and carrying the dirt from collecting chamber to a distance of upto 200 metres. WD-W0614 (TWAD SOR 2025-2026) Pg.No-203

Labour for scraping and removing silt only from the surface and sides of the filter basin carrying the same to a distance not exceeding 200 metres. WD-W0613 (TWAD SOR 2025-2026) Pg.No-203

Supply delivery of natural Pebbles filter media for Filter bed operation & sedimentary bore well of spherical in shape and allow even distribution in support bed with good flow. The media should be double washed, screened, kiln dried and classified into various sizes to meet specification including all incidental charges, conveyance, loading & unloading etc., as directed by the TWAD Board officers. (TWAD SOR 2025-2026) Pg.No-232

Size : 5 mm to 20mm WD-W0934

Size : 20 mm to 70 mm WD-W0935

Supply and filling of 10-12 mm guage HBGS stone jelly for dispersion trench including loading and unloading and as directed by the departmental officers etc completed

Labour for filling with broken stone of all sizes well washed and cleaned, to be free from impurities, including stacking and laying in bed etc completed, as directed by concent engineers

supply and fixing of water filter Capsule in existing PVC filter pipe including cost of materials and fixing charges etc completed, as directed by concent engineers

Supplying PVC Specials (with working pressure 10 kg. / sq.cm.) in water supply arrangements (both in internal and external water supply arrangements and since the labour for cutting, threading / pasting, sundries have already been included under pipe line item of works, no separate provision for fixing PVC specials needs to be allowed

63mm PVC pipe WD-M0001

90mm 4KSC WD-M0003

90mm Tee WD-M0063

Reducer 90x 63 WD-M0079

90mm end cap WD-M0115

90mm Elbow WD-M0112

Supply and laying of charcoal including all charges loading and unloading charges etc, as directed by concent engineers