Emergency works for supply and replacement of Non-return valve and Float valve to stop overflow leakage, at back pressure overhead tank on 1400mm dia pumping main at 100MLD Plant xelpem.

Supplying at store or site of work including railway freight carting loading unloading stacking etc. Cast steel double flanged dual plate check valve having body plate in cast carbon steel ASTM A-216 Gr. WCB hinge pin & stub pin in stainless AISI 304 Spring in stainless steel AISI 304 body & seat ring in AISI 304. Valve conform to API 594. Class 150 (Class A);Size in mm;700

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 diamter in mm.;700

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 boltsas directed by the engineer in-charge.;Nominal diamter in mm.;700

Supplying C.I. Equilibrium float valve including lever arm and copper float to close against a working pressure of 7 kg/sq.cm and test pressure of 14kg/sq.cm (Class B);Dia in mm;200

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.;200

Providing and laying three coat of anticorrosive and anti-toxic surface coating for MS pipeline. The paint shall be applied after removing the scales and rust over the pipe by wire brush. Paint shall be applied uniformly to achieve uniform coating of average DFT of 60 microns per coat with the brush. 2nd coat shall be applied over the 1st coat after 8 hrs. the process shall be repeated for the 3rd coat. DFT for the final coat shall be 35 microns . Final surface shall be uniform and shall have total thickness of about 150 microns . The rate is inclusive of material transportation up to the site of work including labour machinery as required etc. complete . All three coats shall be of distinctive colour as approved be Engineer-in- charge.

Dismantling of existing Non-Return Valve (NRV) of 700 mm diameter and Float Valve of 200 mm diameter from back pressure overhead tank, including removal of all bolts, nuts, gaskets, flanges, etc., complete. The item includes cutting and removing of joints, supports by gas cutting wherever required, providing and operating crane, engagement of skilled and unskilled labour with necessary tools and tackles, use of cutter or gas cutting sets complete in all respects. The dismantled materials shall be carefully stacked within the site premises as directed by the Engineer-in-Charge.