Providing and laying new pipe line at Ranchi Basti at Radha Nagar village, Swaraj Dweep under CD-I, A.P.W.D., Sri Vijaya Puram in lieu of Augmentation of water supply scheme at Shaheed Dweep During 2025 2026 under CD-I, A.P.W.D., Sri Vijaya Puram

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and fixing single unequal junction of required degree with access door, insertion rubber washer 3 mm thick, bolts and nuts complete :

Sand cast iron S&S as per IS - 1729

Sand cast iron S&S as per IS - 1729

Sand cast iron S&S as per IS - 1729

Providing and fixing 3 layer PP-R (Poly propylene Random copolymer) pipes confirming to IS:15801 UV stabilized & anti - microbial fusion welded, having thermal stability for hot & cold water supply, including all PP - R plain & brass threaded polypropylene random fittings, including trenching, refilling & testing of joints complete as per direction of Engineer-in-Charge. External work

PN - 16 Pipe, 20mm OD (SDR-7.4)

PN - 16 Pipe, 25 mm OD (SDR-7.4)

PN - 16 Pipe, 40 mm OD (SDR-7.4)

PN - 10 Pipe, 50 mm OD (SDR-11)

PN - 10 Pipe, 63 mm OD (SDR-11)

PN - 10 Pipe, 75 mm OD (SDR-11)

Making connection of G.I. distribution branch with G.I main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete:

25 to 40 mm nominal bore

50 to 80 mm nominal bore

Providing and fixing PPR Ball valve of approved quality:

20 mm OD (SDR-7.4)

25 mm OD (SDR-7.4)

40 mm OD (SDR-7.4)

50 mm OD (SDR-7.4)

63 mm OD (SDR-11)

Providing and fixing non- return valve of approved quality (screwed end) :

65 mm nominal bore

Horizontal

80 mm nominal bore

Horizontal

Providing and fixing PPR Unions

PPR Union 20mm

PPR Union 25mm

PPR Union 40mm

PPR Union 5Omm

PPR Union 63mm

PPR Union 75mm

Providing and laying S&S Centrifugally Cast (Spun) / Ductile Iron Pipes conforming to IS : 8329 :

100 mm dia Ductile Iron Class K-7 pipes