Water Resources Department Tender

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. cast iron kinetic double orifice air release valve, generallyconforming to IS:14845, having small orifice elastic ball resting on a gunmetal orifice nipple and large orifice vulcanite ball seating in a moulded seat ring, with built in kinetic features, isolating sluice valve mounted in a horizontal position and operated by meter wheel gearing, inlet faced and drilled to IS:1538 Table 4 & 6 . TYPE P.N. 1.6 (Class A) Dia in mm i) 80

Supply at store or site of work including railway freight, carting, loading, unloading, stacking etc. Ductile Iron pipe specials including rubber ring fitting push on joints conforming to IS : 9523 with inside cement mortar lining & externally coated with zinc with finishing layer of bituminious paint complete. Nominal Diameter in mm

A) Double Socket Tee with Branch Flange i) 600x300

A) Double Socket Tee with Branch Flange ii) 300x300

A) Double Socket Tee with Branch Flange iii) 300x80

B) Flanged Socket i) 300

C) M.J. Collar i) 600

C) M.J. Collar ii) 300

D) Double Socket Bend 90 Degree i) 300

E) Double Socket Bend 45 Degree i) 300

F) Double Socket Bend 22.5 Degree i) 300

G) Double Socket Bend 11.25 Degree i) 300

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

i) 600

ii) 300

Conveying carefully from stack at site, 250m from both sides rolling and lowering in trenches, laying and jointing true to line and level and perfect linking of joints i) Cast iron or Ductile iron or A.C. or S & S or flanged & PVC pipes.

Jointing of C.I/D.I pipes and specials with rubber gaskets (TYTON joints) EPDM type including cleaning the socket and spigot ends with kerosene oil/below lamp and applying soft soap to socket and spigot ends before inserting for rubber gasket jacking and fixing in proper condition including cost of rubber gasket, oil, soft soap and hydraulic testing of jointing as per IS:3144-1985. Nominal Diameter in mm

i) 300

ii) 600

Making joints to D.I/ C.I pipes with mechanical joints by nut bolts rubber rings that are provided with the joints,for pushon tight joints including the cost of work force, tools, hydraulic testing of joints etc complete as per the direction of the engineer incharge. A) Double socketed specials such as bends, collar couplings etc Nominal Diameter in mm

i) 300

ii) 600

Making flanged joints for C.I./D.I. Pipes and specials with rubber insertion, nuts and bolts including necessary hydraulic testing etc. complete including cost of rubber insertion nuts and bolts,as directed by the engineer in charge. Nominal Diameter in mm i) 300

Fixing C.I. Tamper proof Kinetic double orifice type air valve. Small orifice elastic ball resting on bronze orifice nipple and large orifice vulcanite ball resting on moulded seat ring with built in Kinetic features of isolating sluice valve of rating P.N. 1.6 with ISI mark mounted on a horizontal mounting operated by metered wheel gear suitable for working pressure of 10 kg/sq.cm Nominal diamter in mm. i) 80

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 I Nominal diamter in mm. i) 300

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

Providing and laying in position (1:11/2:3) Reinforced cement concrete excluding the cost of centering, shuttering, finishing and reinforcement (1 cement: 1½ coarse sand:3 graded stone aggregate 20mm nominal size) i) All works upto plinth level

Providing High yield strength steel reinforcement bar (HYSD)/TMT steel reinforcement bar from secondary producers (Confirming to IS 1786 of 1986) for RCC work including bending, binding & placing in position in all the floors along with the factory made precast concrete cover blocks of specified sizes whose compressive strength is not less than that of surrounding concrete in the structural member.

Centering & shuttering including Strutting, Propping & removal of forms for : i) Foundations, Footings, Bases for columns

Refilling the pipeline/foundation trenches plinth sides, foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 M and all lifts and disposal of surplus earth as directed by Engineer in Charge

Steel work in single sections (SAIL, TATA. VIZAG & using electrodes of Ador or ES4B or Deh Secheron make only) including cutting, hoisting fixing in position and applying a priming coat of red lead paint. i) In R.S. joists, channels, angles, tees

Supply, errection, testing and Commissioning of hand held/wall mounted ultrasonic flow meter with linearity 0.5% Repeatability 0.2% and accureacy +/- 1% of reading at rate 0.6ft/sec +/- 0.5% with one site Calibration response time 0-999 seconds,user confugurable with velocity */- 0.03 bidirectionable , pipe size DN50 to DN700, user configurable such as Meter, feet, cubic meter, Liter, Cubic feet, USA Gallon etc ,seven digit totals for net positive and negetive flow , display 4x16 english letter , 3AAA Ni-MH built in batteries lasting for 12 hrs of operation, built in data logger can store over 2000 lines of data etc complete to measure a maximum flow of 40 lit/sec , normal flow of 20 lit/sec. Subjected to hydrostatic pressure of 100 m suitable for connecting to 250 mm and 200 mm diameter D.I. pipeline. as per the direction of Engineer - in - charge complete.

Repairs and reinstatement to the road for trenches made by laying water supply pipeline, by removing the refilled material in the trench for the total depth of 0.40m and making good the road surface by providing laying rolling by road roller compacting for laterite soling 30cm thick, two layer of full grout of 50mm thick each as per specifications mentioned in item no 14086 of road GSR, complete as per the direction of the engineer in charge i) Rural road