RA / PA FOR MAINTENANCE OF SYSTEM PIPELINES ON YARDCRAFTS

Amount

(A) Degutting/regutting of system pipes: Includes delagging/relagging, disconnection of flanges, hot work, tallying of pipes removed, transportation to work centre and back, chemical cleaning, pressure testing up to 1.5 times working pressure and holding for 30 min without drop in pressure and repainting as per colour code of piping’s and reinstallation of each item back and proving of the system. Cost includes renewal of gaskets/joints as per specific system requirement and renewal of fasteners for fitment of pipes. Defective clamps are to be fabricated and welded in-situ to the craft structure with 3 mm rubber sheet between clamp and pipes. Mat of clamp: MS. Mat of fasteners: SS. Maximum Length: 6 m. (A1) Material - for pipes upto Ø 75 mm.

(A2) Services - for serial (A1)

(A3) Material - for pipes greater than Ø 75 mm and upto Ø 125 mm.

(A4) Services - for serial (A3)

(A5) Material - for pipes greater than Ø 125 mm and upto Ø 175 mm.

(A6) Services - for serial (A5)

(A7) Material - for pipes greater than Ø 175 mm and upto Ø 225 mm.

(A8) Services - for serial (A7)

(A9) Material - for pipes greater than Ø 225 mm and upto Ø 300 mm.

(A10) Services - for serial (A9)

(B) Repair of pipes {Mat: CuNi (90:10) NES 799 Part 3-BS 2871 Part 3}. Repair of pipelines includes delagging/relagging, disconnection of flanges, degutting/regutting system pipes, removal of pipes, transportation to firms workshop, chemical cleaning, welding of flanges/end fittings using suitable electrode followed by pressure testing upto 1.5 times working pressure and holding for 30 min without drop in pressure and repainting as per colour code of pipings. Cost includes renewal of gaskets/joints as per system requirements and fasteners for fitment of pipes. Defective clamps are to be fabricated and welded in-situ to the craft structure with 3 mm rubber sheet between clamp and pipes. Mat of clamp: MS. Mat of fasteners: SS. Maximum Length: 6 m. (B1) Material - for pipes upto Ø 25 mm.

(B2) Services - for serial (B1)

(B3) Material - for pipes greater than Ø 25 mm and upto Ø 50 mm.

(B4) Services - for serial (B3)

(B5) Material - for pipes greater than Ø 50 mm and upto Ø 75 mm.

(B6) Services - for serial (B5)

(B7) Material - for pipes greater than Ø 75 mm and upto Ø 100 mm

(B8) Services - for serial (B7)

(B9) Material - for pipes greater than Ø 100 mm and upto Ø 125 mm.

(B10) Services - for serial (B9)

(B11) Material - for pipes greater than Ø 125 mm and upto Ø 150 mm.

(B12) Services - for serial (B11)

(B13) Material - for pipes greater than Ø 150 mm and upto Ø 200 mm.

(B14) Services - for serial (B13)

(B15) Material - for pipes greater than Ø 200 mm and upto Ø 250 mm.

(B16) Services - for serial (B15)

(B17) Material - for pipes greater than Ø 250 mm and upto Ø 300 mm.

(B18) Services - for serial (B17)

(C) Renewal of pipes {Mat: CuNi (90:10) NES 799 Part 3-BS 2871 Part 3}. Fabrication of new pipes as per sample / templating onboard as required. Renewal of pipelines includes delagging/relagging, disconnection of flanges, degutting/regutting system pipes, removal of pipes, renewal of flanges (Mat: GM LG 4) / End fittings (Union set of adopters, check nuts and nipples), welding of flanges/end fittings using suitable electrode followed by chemical cleaning and pressure testing upto 1.5 times working pressure and holding for 30 min without drop in pressure and painting as per colour code of piping’s. Cost includes renewal of gaskets/joints as per system requirements and fasteners for fitment of pipes. Defective clamps are to be fabricated and welded in-situ to the craft structure with 3 mm rubber sheet between clamp and pipes. Mat of clamp: MS. Mat of fasteners: SS. [Dimensions: Dia * Thickness] (C1) Material - for pipes upto Ø 25 mm * 1.6 mm.

(C2) Services - for serial (C1)

(C3) Material - for pipes greater than Ø 25 mm and upto Ø 50 mm.

(C4) Services - for serial (C3)

(C5) Material - for pipes greater than Ø 50 mm and upto Ø 75 mm.

(C6) Services - for serial (C5)

(C7) Material - for pipes greater than Ø 75 mm and upto Ø 100 mm

(C8) Services - for serial (C7)

(C9) Material - for pipes greater than Ø 100 mm and upto Ø 125 mm.

(C10) Services - for serial (C9)

(C11) Material - for pipes greater than Ø 125 mm and upto Ø 150 mm.

(C12) Services - for serial (C11)

(C13) Material - for pipes greater than Ø 150 mm and upto Ø 200 mm.

(C14) Services - for serial (C13)

(C15) Material - for pipes greater than Ø 200 mm and upto Ø 250 mm.

(C16) Services - for serial (C15)

(C17) Material - for pipes greater than Ø 250 mm and upto Ø 300 mm.

(C18) Services - for serial (C17)

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