AR and MO Water Supply under Bambooflat Sub Division, RCD, APWD, Wimberly Gunj during 2025 26. S.W Replacement of old Pipeline from CWR V AHW pump House to Valluval Nagar.

CEMENT CONCRETE (CAST IN SITU)

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-Ill) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Dismantling and Demolishing

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.

Nominal concrete 1:3:6 or richer mix (including equivalent design mix)

Dismantling G.I. pipes (external work) including excavation and refilling trenches after taking out the pipes, manually/ by mechanical means including stacking of pipes within 50 metres lead as per direction of Engineer-in-charge :

Above 40 mm nominal bore

ROAD WORK

Cutting road and making good the same including supply of extra quantities of materials i.e. aggregate, moorum screening, red bajri and labour required.

Bituminous portion

WATER SUPPLY

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 - 10 Pipe, 110 mm OD (SDR-11)

PN - 10 Pipe, 160 mm OD (SDR-11)

Providing and fixing C.I. sluice valves (with cap) complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately) :

150 mm diameter

Class II

Non Schedule Item

Providing and fixing flanged joints with double PPR flange including gasket with bolts and nuts etc complete as per the direction of Engineer in charge.

PPR double flange 160 mm

PPR double flange 110 mm

Providing and fixing C.I. double acting air valve of approved quality with bolts, nuts, rubber insertions etc. complete (The tail pieces, tapers etc if required will be paid separately) :

100 mm dia

Providing and laying Non-return valves (with cap) complete with bolts, nuts, rubber insertions etc.

100 mm dia

Providing and fixing PP-R MTA Male threaded socket including testing of joints complete as per direction of Engineer in charge.

PPF MTA 110 x 4"

Constructing masonry chamber 30x30x50 cm, inside with cement concrete 1:3:6 (1 cement :3 coarse sand : 6 geaded stone aggregate 40 mm nominal size) for stop cock,. with C.I. surface box 100x100x75mm (inside) with hinged cover fixed in chained lid and RCC top slab 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size).i/c necessary excavation foundation concrete 1:5:10 ( 1 cement : 5 fine sand : 10 graded stone aggregate 40mm mm nominal size) and inside plastering with cement mortar 1:4 (1 cement : 4 coarse sand ) 12 mm thick finished with a floating coat of neat cement complete as per standard design.

Carriage of G.I Pipe (external work) after taking out the pipe manually/by mechnical means including stacking of pipes within 2.5 Km lead as per direction of Engineer in charge.

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

50 to 80 mm nominal bore