MECH.JOBS-INLINE BALANCE FOAM PROPORTIONER INSTALL

Sup. erection & comm. of 3" Ball — Supply, erection & commissioning of 3" full-port metallic ball valve suitable for fire-water/foam-solution service, complete with accessories. MOC: Body ASTM A216 WCB carbon steel, ball SS 316/ASTM A351 CF8M, stem SS 316, seats PTFE/RPTFE or approved fire-safe foam-compatible material, stem packing graphite/fire-safe packing. Applicable Standard: API 608 / ASME B16.34; ASME B16.5 Class 150 RF flanged ends; API 607 fire-safe construction where applicable. Valve shall be suitable for outdoor fire- fighting service and hydrostatically/seat tested by manufacturer.

Sup. fabr & erect. of 3" × 2" GI — Supply, fabrication & erection of 3" × 2" GI reducer for interconnection of fire-water/foam piping of different nominal sizes, complete in all respects. MOC: Heavy-duty carbon steel suitable for IS 1239 Heavy/Class H piping, hot-dip galvanized. Applicable Standard: IS 1239 Part 2 / ASME B16.9 as applicable; pressure rating minimum equivalent to Class 150. Dimensions and reducer configuration shall be as per approved drawing.

Sup. fabr & erection of 3" SORF — Supply, fabrication & erection of 3" Slip-On Raised Face (SORF) flanges for bolted piping joints in fire-water/foam line, complete with required accessories. MOC: ASTM A105 forged carbon steel. Applicable Standard: ASME B16.5, Class 150, Raised Face. Bore shall suit connected pipe and flange drilling/dimensions shall conform strictly to ASME B16.5.

Sup. & erection of 3" Metallic — Supply & erection of 3" metallic gaskets for leak-tight raised-face flanged joints in fire-water/foam piping. MOC: Spiral-wound metallic gasket with SS 316/316L winding, flexible graphite filler, carbon-steel outer centering ring and SS 316/316L inner ring where required. Applicable Standard: ASME B16.20; suitable for ASME Class 150 RF flange and compatible with water/foam concentrate service. Gasket shall be new, unused and shall not be reused after dismantling.

Sup. fabr & erection of 3" GI — Supply, fabrication & erection of 3" GI elbows for change of direction of fire-water/foam piping. MOC: Heavy-duty carbon steel suitable for IS 1239 Heavy/Class H piping, hot-dip galvanized. Applicable Standard: IS 1239 Part 2 / ASME B16.9 as applicable; 90° long-radius/45° configuration as per approved drawing. Fittings shall be suitable for the applicable system pressure and service.

Sup. fabr & erect. of 3" × 6" GI — Supply, fabrication & erection of 3" × 6" GI expander for increasing the nominal pipe size from 3" to 6" where required for pipeline interconnection as per approved piping arrangement, complete in all respects. MOC: Heavy-duty carbon steel suitable for fire-water/foam-water piping service, hot-dip galvanized. Applicable Standard: ASME B16.9 / applicable IS standard; minimum pressure rating equivalent to Class 150. The 3" × 6" size, end dimensions and configuration shall be verified from the approved P&ID/isometric before manufacturing and fabrication. No change in size/configuration shall be made without approval of HPCL/Engineer-in-Charge.

Sup. fabr&erect.of 3" Heavy Duty 1319-MUGHALSARAI DEPOT — Supply, fabrication & erection of 3" heavy-duty GI pipe suitable for underground fire-water pipeline. MOC: Steel tube, Heavy/Class H, hot-dip galvanized. Applicable Standard: IS 1239 Part 1 with galvanizing conforming to IS 4736; ERW/seamless as permitted by applicable standard. Pipe thickness/class shall be as per approved design and pipe shall have traceable manufacturer/test certification.

Sup.Fabr&erec of 2" Stainless — Supply, fabrication & erection of 2" stainless-steel elbows for foam-concentrate piping. MOC: SS 316/316L, ASTM A403 WP316/WP316L. Applicable Standard: ASME B16.9; seamless/welded fitting suitable for service, with 90° long-radius configuration unless otherwise shown. Material shall be compatible with the specified foam concentrate.

Sup. erection & comm. of 1½" — Supply, erection & commissioning of 1½" full-port metallic ball valve for isolation of foam-concentrate line, complete with accessories. MOC: Body ASTM A216 WCB carbon steel, ball SS 316, stem SS 316, seats PTFE/RPTFE or approved fire-safe foam-compatible material and graphite/fire-safe packing. Applicable Standard: API 608 / ASME B16.34; Class 150 minimum; API 607 fire-safe where applicable; flanged ends to ASME B16.5 Class 150 RF where specified.

Sup. & erection of 1½" Metallic — Supply & erection of 1½" metallic gaskets for leak-tight flanged joints in foam-concentrate piping. MOC: Spiral-wound metallic gasket with SS 316/316L winding and flexible graphite filler, with suitable centering/inner ring as required. Applicable Standard: ASME B16.20; suitable for Class 150 RF flange and compatible with the specified foam concentrate.