Supply, Installation, Testing and Commissioning of Sluice Valve on rising main 750mm line of 40 MLD VT Line at Opa water works. (Retender)

Earthwork in excavation by mechanical means (hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sq.m on plan) including disposal of excavated earth lead upto 50 m and lift upto 1.5m disposed earth to be levelled and neatly dressed including providing barricading, danger lighting guarding as directed in :

a) All kinds of soil

Cutting of cast iron / ductile iron pipes by mechanical grinder working on electricity, including the cost of hire charges of mechanical grinder, diesel operated electrical generator set, suitable for supplying power for the grinder for cutting, cost of grinding blades , skilled work force, fuel.etc. required for completion of job as per the direction of Engineer- in -charge

Dia in mm

a) 750mm dia

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. Cast iron double flanged manually operated Sluice Valve, generally conforming to IS:14846 - 2000, having body, door, dome, wedge in graded cast iron to IS:210 Gr. FG 200 min., four faces and spindle nut of leaded tin bronze to IS:318 Gr. LTB 2, inside screw of non-rising stainless steel AISI410, spindle, flanges drilled to IS:1538 Table 4 & 6. Valves tested by closed end method only (350mm and above will be fitted with BTB and Spur gear box and back seat bush.) etc. complete TYPE P.N. 1.6 (Class A )

Dia in mm

a) 750mm dia

Supplying cast iron fittings as per IS : 1538 -1993 including sealing rubber gasket (NR) CI Compression glands and coated MS Nuts bolts.

I) Flanged Socket Tail piece ( Flanged Adaptors)

Nominal Dia in mm

a) 750mm dia

Supplying stacking at site and conveying hoisting, laying in position to correct line and level and linking joints of MS specials. fabricated from MS plate including cutting, bending, welding, procurement of plates, gas cutting to required size, rolling, tack welding, assembling in suitable length to form special, welding on automatic machine and forming V edge on both ends of special as required, hydraulic pressure test at factory to the required test pressure conforming to IS : 3589-1991 including freight etc. complete

I) With 25 mm thick Plate

a) Flanges

Making joints to D.I/ C.I pipes with mechanical joints by nut bolts rubber rings that are provided with the joints, forpushon tight joints including the cost of work force, tools, hydraulic testing of joints, etc. complete as per the direction of the engineer in-charge.

I) Double socketed specials such as bends, collar couplings, etc.

Nominal Diameter in mm

a) 750mm dia

Hoisting laying cast iron sluice valves/butterfly valves/reflux valve of size given below at location in pipeline etc. .complete as directed as per IS:2685-1971 CLASS II & III.

Nominal Diameter in mm

a) 750mm dia

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Providing & laying cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggrt. 20 mm. nominal size) excluding cost of centering, shuttering and finishing in:

I) All works upto plinth level

Laterite masonry in neatly dressed stones of size as specified in cement mortar 1: 4 (1 cement : 4 coarse sand) in foundation and basement.

18mm cement plaster in two coats under layer 12mm thick cement plaster 1:5 ( 1 cement : 5 coarse sand) and top layer 6mm thick with cement plaster 1: 3 (1 cement : 3 coarse sand) finished with sponge.