Replacement of chilled water line piping

Amount

Supply of Carbon Steel ERW Pipe as per TTS, Size: 250 NB (10")

Supply of Carbon Steel ERW Pipe as per TTS, Size: 200 NB (8")

Supply of Carbon Steel ERW Pipe as per TTS, Size: 100 NB (4")

Supply of Carbon Steel ERW Pipe as per TTS, Size: 80 NB (3")

Supply of Carbon Steel ERW Pipe as per TTS, Size: 65 NB (2.5")

Supply of carbon steel Elbow as per TTS 10” (long Bend radius), SCH 40

Supply of carbon steel Elbow as per TTS 8” (long Bend radius), SCH 40

Supply of carbon steel Elbow as per TTS 6” (long Bend radius), SCH 40

Supply of carbon steel Elbow as per TTS 3” (long Bend radius), SCH 40

Supply of carbon steel Elbow as per TTS 2.5” (long Bend radius), SCH 40

Supply of Carbon steel, Seamless Reducer, Concentric, Butt Weld ends Sch. 40 as per TTS (10” x 8”)

Supply of Carbon steel, Seamless Reducer, Concentric, Butt Weld ends Sch. 40 as per TTS ( 8” x 6” )

Supply of Carbon steel, Seamless Reducer, Concentric, Butt Weld ends Sch. 40 as per TTS (10” x 6” )

Supply of carbon steel Tee Gr. WPB, Sch 40 (10"X10"X10")

Supply of carbon steel Tee Gr. WPB, Sch 40 (10"X10"X8")

Supply of Slip On Flange, as per TTS 10"

Supply of Slip On Flange, as per TTS 8"

Supply of Slip On Flange, as per TTS 6"

Supply of Slip On Flange, as per TTS 5"

Supply of Slip On Flange, as per TTS 3"

Supply of Slip On Flange, as per TTS 2.5"

Supply of M.S. Structural Materials as per TTS ISMC 100

Supply of M.S. Structural Materials as per TTS ISMC 75

Supply of M.S. Structural Materials as per TTS ISA 50 x 50 x 6 mm

Supply of M.S. Structural Materials as per TTS Extruded Box (70 X70X5)

Erection of pipings as per tender technical specifications Handling, transportation to work site, cleaning of all materials, pipe, fittings, valves etc. identification / checking of existing lines, preparation of spool/ drawing, submission and getting approval of drawing, pre-fabrication of pipes as required, fabrication , making arrangement of scaffolding/ platform structure for working at height, making hole cut outs in the walls wherever required, cutting pipes length/ existing pipelines, removal of existing supports, field bending to 5D or more with DP of bend portion, erection of pipe at all elevations, tagging, connecting to terminal points etc. cleaning by water and compressed air, pressure testing as specified. Removal & disposal of temporary structure from site, preparation of as-built drawing and as per specification. The erection rate shall include erection of pipe and fittings like elbow, tee, nipple, flanges, valves etc. Including fixing of gaskets, bolts, nuts wherever required. This work will be carried out in various areas of the plant.

SMAW welding as per tender technical specifications Edge preparation (including grinding/ machining the edges of pipes) cutting of existing weld joints, fit-up, SMAW welding, DP check of root & final pass, removal and disposal of all temporary structures from site, repair of weld, as per drawing and specifications. (Note the weld joints those have passed the DP & hydro test shall be paid )

Cutting of piping and insulation as per tender technical specifications Cutting of pipes (sizes: from 15 NB, Sch40 to 250 NB, Thickness 8.18 mm) by hacksaw or grinding machine or gas cutting. (Gas cutting set to be arranged by contractor). Use of hacksaw or grinding machine for cutting shall be approved by E-I-C as per site conditions. De-burring of usable end of cut items/components. Pipeline, valves & fitting need to be cut from various locations & from various elevations. Hence necessary logistics like scaffoldings, ladders etc need to arrange by the contractor and same need to be considered while quoting. The size of cut pieces of any material shall not be more than 700 mm to facilitate the packing into the drums. Packing of discarded/unusable cut parts in MS drums and shifting of packed MS drums within 500 m lead at designated place. Shifting of empty MS drums to the work site from go-down within 500m distance for packing of removed materials. These drums, cut pipes and structural materials need to be shift within 5 Km lead at designated place inside BARC premises. All MS drums required will be provided by the department. Contractor shall take prior approval of E-I-C before making any cut on pipes. Cuts, which are not approved by E-I-C, shall not be considered for payment.

Installation of Carbon steel valve DN 250 (10") (Flanged gate valve) Note: The valves will be issued as FIM to the firm

Installation of Carbon steel valve DN 200 (8") Flanged gate valve) Note: The valves will be issued as FIM to the firm

Installation of Carbon steel valve DN 150 (6") (Flanged gate valve)

Installation of Carbon steel valve DN 125 (5") (Flanged gate valve)

Installation of Carbon steel valve DN 80 (3") (Flanged gate valve)

Installation of Carbon steel valve DN 65 (2.5") (Flanged gate valve)

Installation of Carbon steel valve DN 50 (2") (Flanged gate valve)

Installation of Carbon steel valve DN 200 (8") (Butterfly Valve)

Installation of Carbon steel valve DN 50 (2") (Butterfly Valve)

Supply, inspection, testing, packing, transportation, safe delivery, guarantee and installation of three piece design carbon steel ball valves (Class 150) (DN 50 (2") Flanged) as per TTS

Supply, inspection, testing, packing, transportation, safe delivery, guarantee and installation of three piece design carbon steel ball valves (Class 150) DN 25 (1") Threaded as per TTS

Supply, inspection, testing, packing, transportation, safe delivery, and guarantee of rising stem flanged carbon steel Gate valves (Class 150) as per TTS, DN 150 (6")

Supply, inspection, testing, packing, transportation, safe delivery, and guarantee of rising stem flanged carbon steel Gate valves (Class 150) as per TTS, DN 125 (5")

Supply, inspection, testing, packing, transportation, safe delivery, and guarantee of rising stem flanged carbon steel Gate valves (Class 150) as per TTS, , DN 80 (3")

Supply, inspection, testing, packing, transportation, safe delivery, and guarantee of rising stem flanged carbon steel Gate valves (Class 150) as per TTS, DN 65 (2.5")

Supply, inspection, testing, packing, transportation, safe delivery, and guarantee of rising stem flanged carbon steel Gate valves (Class 150) as per TTS, DN 50 (2")

Supply, inspection, testing, packing, transportation, safe delivery, and guarantee of Butterfly valves (PN 10) as per tender specifications DN 200 (8")

Supply, inspection, testing, packing, transportation, safe delivery, and guarantee of Butterfly valves (PN 10) as per tender specifications DN 50 (2.5")

Supply and installation of Cold Thermal Insulation thickness 32 mm (Aero-flex sheet) (Indoor chilled water line) Pre-dispatch inspection & testing is required at manufacturer works. Material TC is required at the time of inspection. Insulation Material type Elastomeric foam based on synthetic rubber or equivalent approved from EIC colour Black, Insulation Material thk. : 32 mm , Make Armaflex Class O / equivalent approved from EIC, Thermal Conductivity 0.035 to 0.037 W /(m.k) for temp. range 0 to 20°C. (conform to standard EN 12667), Fire performance BS 476 part 6 & 7

Supply and installation of Cold Thermal Insulation (for Outdoor chilled water line) a.Insulating material shall be fire treated thermocole (i.e., TF quality thermocole) with a ‘K’ factor of not more than 0.027 kcal/mtr. /hr/Sq. m/ C at 10o C mean temperature. b.Samples of the materials shall be submitted for approval. The density of thermocole shall be around 18 kgs/M3. Insulation shall be applied on pipes only after pressure testing and/or other tests are carried out. c.Pipes shall be insulated with pre-formed thermocole/isoloydnil or equivalent with 2” thickness. •Method of Insulation: a.Surface to be insulated shall be thoroughly cleaned and rendered free from rust and grease. b.Hot bitumen (80/40 or 85/25 conforming to IS: 702) shall be applied uniformly of adequate thickness so as to cover the entire pipe/duct surface for rust protection. Similar types of bitumen shall be applied on the inner surface of the thermocole sheets of pipe sections. c.Thermocole sheets/preformed sections shall be stuck to pipe surface with joints staggered. Adjacent sections shall be tightly pressed together shall be tied with G. I. Wires at one meter interval. d. 20 mm (3/4”) mesh 24 SWG hexagonal galvanized wire netting butting all joints shall be applied and laced down with G. I. wire. e. Over the mesh, sand cement plaster shall be applied as mentioned hereafter. A thick vapour seal of molten bitumen shall be applied on the outer surface of insulation and allowed to dry. f. Cement sand mortar in proportion of 1:4 and a water proofing agent like “COCO” shall be mixed with mortar in specified proportion and 12 mm thick plaster shall be applied over the insulation

Supply and installation of Aluminium Cladding as per technical specification Protective covering material Aluminium Sheet (dull finish) Al Grade 31000/19000/ conditioned H4/H3 or equivalent approved from EIC Aluminium rivet & screw to be used should be suitable to the accepted Al Grade sheet material. Make Hindalco / equivalent approved from EIC Al Sheet Thickness 20 SWG Standard IS 737

Supply of adhesive (Poly chloroprene Based Rubber) for pasting of Cold Thermal Insulation a.Adhesive: Contact adhesive on polychloroprene basis, free of aromatic components b.Make: Armaflex Adhesive 520 or equivalent, Color: Beige

Surface preparation, providing and epoxy painting of steel surfaces as per tender specifications a. Surface preparation, providing and painting of steel surfaces with Epoxy paint (two or more coats) using APCODUR-641 or equivalent approved two pack high build epoxy finishing coat of approved sheds at all locations prepared and applied as per manufacturer' specifications including a priming coat if specified by the manufacturer. b. Surface preparation by scrapping, applying sand paper, by cleaning with wire brush and rubbing, making free of rust, dirt etc. filling the holes, joints, cracks if any etc. complete. all as per manufacturers Technical Data and as directed at site by E-I-C.. c. Total minimum Dry Film Thickness (DFT) of applied paints shall be 200 micron (50 micron primer Coat + 150 micron finishing Coat).If 200 micron DFT is not achieved ,contractor has to apply more than two coats of paints without any extra coat to the department. d. Contractor shall submit test certificate of bought out paints from paint manufacturer before application of the paints. e. Contractor has to provide Elcometer at his cost for testing of Dry Film Thickness

M.S. Structure Fabrication Work : Fabrication & installation of MS piping supports and other required MS structures as per site conditions and tender technical specifications. a. Fabrication & installation of M.S piping supports and other required M.S structures as per site conditions. b. Make of structural sections/materials: Tata/SAIL/VIZAG or equivalent approved make. c. Materials confirming to IS 2062, IS808 and IS1730 shall be used for MS fabrication work as per site requirement. d. Welding (SMAW) will be carried out by experienced and skilled welder using electrode E6013 of ADOR/ESAB make.

Supply of Hex head bolts with two nuts & two sets of standard washers assembly & having rolled threads as per tender specifications in various size of adequate length as per required Valve and flange assembly mentioned above. (10",8",6", 5”,3",2.5") ; ASTM A 193 Gr B7 :Hex head carbon steel bolts ; ASTM A 193 Gr 2H :Hex carbon steel Nuts ; ASTM A 436 :Hardened steel washers M 24 (long 100 mm)

Supply of Hex head bolts with two nuts & two sets of standard washers assembly & having rolled threads as per tender specifications in various size of adequate length as per required Valve and flange assembly mentioned above. (10",8",6", 5”,3",2.5") ; ASTM A 193 Gr B7 :Hex head carbon steel bolts ; ASTM A 193 Gr 2H :Hex carbon steel Nuts ; ASTM A 436 :Hardened steel washers M 20 (long 90 mm)

Supply of Hex head bolts with two nuts & two sets of standard washers assembly & having rolled threads as per tender specifications in various size of adequate length as per required Valve and flange assembly mentioned above. (10",8",6", 5”,3",2.5") ; ASTM A 193 Gr B7 :Hex head carbon steel bolts ; ASTM A 193 Gr 2H :Hex carbon steel Nuts ; ASTM A 436 :Hardened steel washers M 16 (long 75 mm)

Supply and Installation of Bucket/basket type In line Strainer (pressure rating 150), bolted or Eye bolt cover, size for 6"line and the pre dispatch testing at manufacturer site As per API 598

Cleaning of MS pipe (Mechanically/Sandblasting) (Size 6") (The pipe will be issued as an FIM to the Firm

SSG ENTERPRISES