Public Works Department - Maharashtra
37787727 tender for quotation for oxygen line 1 supply of 10 +10 size of main oxygen manifold complete with 20 nos. pig tail pipes & 12 nos. of non return valves with middle frame complete in all aspect as per tender specifications. should comply to htm 02 01 / nfpa 00 / din / en / iso 7396 1 standards. manifold shall consist of two high pressure header bar assemblies to facilitate connection of primary and secondary cylinder supplies. each header bar shall be provided with respective numbers of cylinder pigtail connections to suit cylinder valves as per is 3224 / bs / asme incorporating a check valve at the header connection. he high pressure header bar shall be designed in such a manner that it can be extended to facilitate additional cylinder connections. each header bar assemble shall be provided with high pressure shut off valve. oxygen manifold should consist of 2 rows of respective numbers of class d type bulk oxygen cylinders. the manifold should be so designed that it shall suit easy cylinder changing and positioning. the system should have non return valves for easy changing of cylinders and positioning. the system should have non return valves for easy changing of cylinders without closing the bank. the cylinder should be placed with the help of cylinder bracelets and fixing chains which should be galvanized. 2 supply of 5 +5 size of main oxygen manifold complete with 10 nos. pig tail pipes & 10 nos. of non return valves with middle frame complete in all aspect as per tender specifications. should comply to htm 02 01 / nfpa 00 / din / en / iso 7396 1 standards. manifold shall consist of two high pressure header bar assemblies to facilitate connection of primary and secondary cylinder supplies. each header bar shall be provided with respective numbers of cylinder pigtail connections to suit cylinder valves as per is 3224 / bs / asme incorporating a check valve at the header connection. he high pressure header bar shall be designed in such a manner that it can be extended to facilitate additional cylinder connections. each header bar assemble shall be provided with high pressure shut off valve. oxygen manifold should consist of 2 rows of respective numbers of class d type bulk oxygen cylinders. the manifold should be so designed that it shall suit easy cylinder changing and positioning. the system should have non return valves for easy changing of cylinders and positioning. the system should have non return valves for easy changing of cylinders without closing the bank. the cylinder should be placed with the help of cylinder bracelets and fixing chains which should be galvanized. 3 supply, installation, testing & commissioning of oxygen flow meter with 600 ml humidifier bottle. 0 15l / min standard flow rate. fully complies and meets as per tender technical specifications. it should comply with htm 02 01 / nfpa 99 / din / en / iso 7396 1 standards. back pressure compensated flow meter for accurate gas flow measurement with following features: a ) control within a range of 0 15 lpm. b ) it should meet strict precision and durability standard. c ) the flow meter body should be made of brass chrome plated materials. d ) the flow tube and shroud components should be made of clear, impact resistant polycarbonate. e ) flow tube should have large and expanded 0 15 lpm range for improved readability at low flows. f ) inlet filter of stainless steel wire mesh to prevent entry of foreign particles. g ) the humidifier bottle is made of unbreakable & reusable polycarbonate / polysulfone / polypropylene material autoclave at 121 degree centigrade. 4 supply, installation, testing and commissioning of medical grade copper pipe should be as per standard bs:en 13348 standard ( lloyd certified or equivalent ) , solid drawn, deoxidized, non arsenical, half hard ( hard can be accepted only for sizes 54 mm or more ) , tempered and degreased copper pipe conforming to the standard. all copper pipes should be degreased & delivered capped at both ends. the pipes should be accompanied with manufacturers tet certificate for the physical properties & chemical composition. fittings should be made of copper and suitable for a working pressure up to 17 bar and especially made for brazed socket type connections. the isolation valve body shall beamed of chromium plated brass with non lubricated ball type. all valves should be pneumatically tested for twice the working pressure and factory degreased for medical gas service.copper fittings should comply with en 154:1 factory degreased and brazing filler metals should comply with en 1044. fitting should be degreased, individually packed for medical use.the minimum thickness of copper pipes of 35mm and above outer diameter, should be 1.2 mm and the thickness of copper pipes less than 28mm outer diameter, should be 1 mm mentioned in boq. 5 copper pipes of 12mm od x 1.0 mm thk 6 copper pipes of 15mm od x 1.0 mm thk 7 copper pipes of 22mm od x 1.0 mm thk 8 copper pipes of 28mm od x 1.0 mm thk 9 copper pipes of 35mm od x 1.0 mm thk 10 copper pipes of 242mm od x 1.0 mm thk 11 line isolation valves should comply with htm 02 01 / nfpa 99 / iso 7396 1 standards. all medical gas valve shall be specifically prepared for oxygen service and shall conform to nfpa 99 standard. 12 15mm lockable line valves 13 22mm lockable line valves 14 28mm lockable line valves 15 35mm lockable line valves 16 42mm lockable line valves 17 nrv line valves for medical copper pipeline 18 15mm nrv line valves 19 22mm nrv line valves 20 28mm nrv line valves 21 35mm nrv line valves 22 42mm nrv line valves 23 reducers for medical pipeline with fittings 24 15 12 mm 25 22 15 mm 26 28 22 mm 27 35 28mm 28 42 35mm 29 el bow for medical pipeline with fittings 30 15mm 31 22mm 32 28mm 33 35mm 34 42mm 35 tee for medical pipeline with fittings 36 15mm 37 22mm 38 28mm 39 35mm 40 42mm 41 union for medical pipeline with fittings 42 15mm 43 22mm 44 28mm 45 35mm 46 42mm 47 copper cross tee for medical pipeline with fittings 15 to 42 mm 48 copper reducer tee 15 to 42 mm 49 copper elbow reducer 15 to 42 mm 50 copper pipeline fittings e.g., saddles, clips, copper sockets etc. 51 medical copper pipeline brazing and labour charges 52 seamless medical copper pipe ( thickness 1 mm ) with lloyd certification 53 12mm od x 1.0 mm thk 54 15mm od x 1.0 mm thk 55 22mm od x 1.0 mm thk 56 28mm od x 1.0 mm thk 57 35mm od x 1.0 mm thk 58 42mm od x 1.0 mm thk 59 pressure meter indicating medical pipeline pressure ref. with fittings 60 gauge meter indicating liquid gauge in medical pipeline with fittings...