Strengthening of Sewerage (Replacement of Damaged 500 mm dia DI Rising Main of SPS-18) Noida.

Cutting road and making good the same i/c supply of extra quantities of materials i.e. aggregate, moorum screening, red bajri and labour required. (DSR-18, I.No.-16.13/P-272)

Water Wound Macadom

Bituminous Portion

Demolishing cement concrete manually/by mechanical means i/c disposal of material within 50 m lead as per direction of E/I nominal concrete 1:3:6 or richer mix (i/c equivalent design mix). (DSR-18, I.No.-15.2.1/P-258)

Excavating trenches of required width for pipes, cables etc. i/c excavation for sockets depth upto 1.50 m i/c getting out the excavated materials, returning the soil as required in layers not exceeding 20 cm. in depth i/c consolidating each deposited layer by ramming, watering etc. and disposing of surplus excavated soil as directed, within lead of 50 m. The Contractor has to detect different utilities like sewer line, water supply line, electric cable, telephone cable, gas pipe line etc. using utility detecting machine before start of excavation and shall start excavation only after getting permission of Engineer-in-Charge. Pipes, cables etc. exceeding 300 mm dia but not exceeding 600 mm dia. (DSR-18, I.No.-2.13.1.3/P-75)

P/L S&S Centrifugaly Cast (Spun)/Ductile Iron Pipes conferming to IS:8329. (DSR-18, I.No.-18.72/P-304)….500 mm dia Ductile Iron Class K-9 pipes

Supply and installation of 500 mm dia Steel pipe 10 mm thick conferming to IS:3589 through trenchless excavation of thrust pit and receiving pit of required size and the excavation & filling back and compaction complete as per specification for road crossing by Auger boring method. Pipe will be installed at depth beyond 3.0 m. below the ground surface in downward required slope.

P/F M. S. Specials such as Tee, bend, collars, Tapers, Gap pieces, i/c Flange Ends as required, painting, cutting, welding as per site requirment of M.S. Pipes thickness etc. complete in all respect as per direction by the E/I. (NSI-1.7.00)

P/F Sluice Valve shall generally conform to IS 14846 with latest amendment, with length over flanged as per PD of IS 14846 corresponding to BS EN-558/ISO 5752 Basic series 3 in CI construction having metal seating (IS 318 Gr. LTB 2). With complete component & material of construction following below:- 1 - Body/Door/Dome-Cast Iron IS 210 Gr. FC 260 2 - Spindle-Non rising: Stainless Steel AISI 410 3 - Body seat/Door face-Gun metal : IS 318 Gr. LTB 2 (rings to be press fitted and riveted: no screws allowed) 4 - Rivets-Soft annealed brass 5 - Spindle Nut-Gun metal : IS 318 Gr. LTB 2 6 - Stem Seal-Greased Hemp 7 - Fasteners-Carbon steel 8 - Flange Drilling - IS 1538 Table 4 & 6 9 - PN 1.0

10 - Accessories (400 mm and above)-Ball thrust bearings to be housed above the wet chamber ie. above the gland. Enclosed Spur Gear Box for ease of operation. Air Plug 11 - Painting/Coating - Inside & Outside epoxy liquid coated, DFT minimum 250 micron, shade RAL 5005/5015 (BLUE) 12 - Hydro-test-(Open Ended only) (Seat : 10/16 Kg/cm2; Body: 15/24 Kg/cm2 13 - Upto 600mm dia Mannual Operated & above 600mm Gear box (Make-IVC/Kirloskar) (NSI-1.10.00) 500 mm dia Kirloskar make (NSI-1.10.11)