Improvements of water supply to Lal Bazar Zari Mohalla and Satboni by way of providing and fixing of 50/40/25/20mm dia G.I pipeline.

Amount

Earth work in excavation by manual means in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed. All kinds of soil.

Excavation in water bound macadam road including stacking of serviceable and unserviceable material separately and disposal of unserviceable material lead upto 50 m and lift upto 1.5 m, disposed material to be neatly dressed

Providing and fixing of 100mm dia DI pipes including all types of carriage up to the site of work. Complete.

Providing push-on-joints to Centrifugally (Spun) Cast Iron Pipes or Ductile Iron Pipes including testing of joints and including the cost of rubber gasket. 100mm dia pipe (K-7)

Providing and fixing GI pipes complete with GI fittings excluding trenching and refilling etc. (external work)

50mm dia pipe

40mm dia pipe

25mm dia pipe

20mm dia pipe

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

100 mm nominal bore

50 to 80 mm nominal bore

25 to 40 mm nominal bore

20 mm nominal bore

Providing and fixing of 100mm dia C.I Sluice Valve as per technical specification mentioned below. A. Inside and outside surface coating: Expoxy powder coating. B. Pressure rating PN10/PN.01 (Kg/sqm/MPA) C. Material for the valves parts should be, body wedge and bonnet DI, wedge vulcanized all over the EPDM, stem and nut chrome steel and brass respt. soft sealing, face to face length as per standard, low torque for the operation of valve, hand wheel of suitable size with proper locking arrangement with the stem, mode of operation manual. MS flanged 12-14mm thick, MS tail piece size to be fabricated out of 8mm thick MS plate as per the site requirement, painting with red oxide paint, welding, cutting, and complete the job as per directions of Engineer/site inchrage. NOTE: The valve shall be supplied with the manufacture Test Certificate and third party inspection is mandatory by CIEL/TATA/RITES.

Providing and fixing of gun metal gate valve with C.I. wheel of approved quality (screwed end)

50 mm nominal bore

40 mm nominal bore

25 mm nominal bore

Providing and fixing of double collar including threading, fixing of nut bolts washer etc as per requirement at site. Complete job.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. Layer not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering lead up to 50m & lift up to 1.5m.