ADDITION/ALTERNATION/EXTENSION TO THE EXISTING MEDICAL GAS (O2) PIPELINES AT INHS SANJIVANI, NAVAL BASE KOCHI

Amount

Supply, Install, testing and commissioning of Copper Piping 0.9 mm thick 22 mm Outer Diameter with complete fittings/fixtures as per technical specification and BS: 13348 and as mentioned below:- (a) Installation of piping should be carried out as per approved medical standards with utmost cleanliness. (b) Only pipes, fittings and valves which have been degreased as per approved medical standards should be used. (c) Pipe fixing clamps for upto 28mm diameter. (d) Pipes should be non ferrous suitable for the diameter of the pipe and wherever required rigid metallic hanging or cemented supports to be used. (e) The main lines to the building to be taken overhead through heavy grade metallic poles or GI tubes with inspection points in metallic boxes wherever required . Adequate supports shall be provided while laying pipelines to ensure that the pipes do not sag. Suitable sleeves shall be provided wherever pipes cross through walls / slabs. All pipe clamps shall be non-reactive to copper. (f) All pipe joints should be made using inert gas flux less brazing method.

(g) All joints should be of copper to copper and should be brazed by silver brazing filler material without flux while being brazed joints shall be continuously purged with oil free dry nitrogen to prevent the formation of copper oxide on the inside surface of the joint. (h) All pipes should be installed without springing or forcing. (j) All pipes should be protected against mechanical injury in a manner satisfactory to authorities having jurisdiction. (k) Test: After erection, all the new pipes cleaned or purged with the help of dry nitrogen gas. Complete system should be tested with dry nitrogen at 2 times of working pressure for 24 hours. (l) Painting: All existing and proposed exposed pipes/should be painted with two coats of Synthetic enamel paint & color codification as per IS: 2379 of 1963 and approved medical standards. (m) All concealed pipes to have gas identification bands / labels at appropriate distance. (n) Similarly all pipes which need embedding in the wall should be tested/painted/labeled and properly insulated. (o) Certification: To be certified that pipes are suitable for the particular service and complete cross connection (anti-confusion) test should be carried out.

(p) Distribution piping system: MATERIAL (PIPE): Solid drawn, seamless, deoxidized, non arsenical, half hard, tempered and degreased materials conforming to BS: EN 13348. Copper pipe must have reputed third party inspection certificate (E.g. Lloyd’s or Kite marked or TUV or SGS). Fittings should be made of copper conforming to BS: 864 and suitable for a working Pressure of upto 17 bar and especially made for brazed socket type connections. (q) All copper pipes should be inspected and certified for medical use before dispatch and the pipe should be delivered plugged or capped at both ends. (r) The tenderer shall design & submit complete layout drawings with proper colour code, fittings, and fixtures complete for approval of GE or rep of accepting Officer before placing order and the quoted includes for the same. (s) The quoted rate inclusive of all mechanical protections with metallic pipes to pipe wherever required. (t) Contractor shall be provided one floor at a time and another floor after completion of first floor work. Also, work site being a Hospital, all Covid Precaution and protocol to be adhered strictly.

Ditto All as per Item No 1 &1.1 but for Copper Piping 0.9 mm thick 15 mm Outer Diameter with complete fittings/fixtures as per technical specification and BS: 13348 and as mentioned.

Supply, Install, testing and commissioning of 22 mm Outer Diameter MEDICAL LINE VALVE or ISOLATING VALVE as per HTM -2022/02-01/DIN/ISO/ BS EN 1057 or ball valves as per BS:1057 , rated at 400 psig, as well as full vacuum ( 29.9" Hg). Valves go from full ON to full OFF by turning the vinyl-gripped valve handle 90 degree Locking-type handles may be ordered separately when required. Copper tubing is factory installed to help prevent valve seat damage during soldering, Main and riser valves are not required to be installed in a box unless specially noted or required.

Supply, Install, testing and commissioning of oxygen Gas outlet points complete with matching probe/adopter with one end suitable for Hose & other end suitable for terminal units complete set for Oxygen system as per technical specification as mentioned below:- (a) The outlets shall be modular singles, and shall incorporate nameplate color-coding. The single modular outlets shall be of a design that provides for ganging of rough-in plates in the field to form multiples. (b) The gas services shall be sequentially arranged and located as shown on the plans with a minimum centerline spacing of 5 inches (12.5 cm) between outlets. (c) The outlets shall be capable of supporting dispensing equipment without the use of slide brackets. The medical gas outlets shall be designed so that, once installed, routine service of both the primary and secondary check valves can be accomplished without removing the nameplate or gas specific portions. (d) The primary check valve shall be unitized and of the cartridge type. So that the primary check valve can be removed for service without shutting off the gas supply to the outlet, the secondary check valve shall operate automatically to stop the free flow of the pressure gas. (e) There shall be no secondary check for vacuum or gas evacuation service. Medical gas outlets that require the removal of the nameplate or gas specific components for routine service shall not be acceptable.

(f) The outlets should meet with the provisions of council Directive of Medical Devices Directive. (g) All outlets are 100% tested for flow and leaks. (h) The outlet nameplate shall be permanently color coded with a durable scratch-resistant and protective label. (j) Medical gas outlets shall be cleaned for oxygen service as per Medical Standards, capped and placed in a protective container for shipment. (k) The outlets shall be installed in strict accordance with manufacturer’s instructions, and tested before use in conformance with local and federal codes. (l) Outlets shall be Double Lock Outlet type manufactured with an approx 165 mm length, Copper inlet pipe stub which is silver brazed to the outlet body. Body shall be of one piece brass construction. For positive pressure gas services, the outlet shall be equipped with a primary and secondary check valve and the secondary check valve shall have break safe mechanism and also comply with pressure test standards and rated at minimum 200 psi in the event the primary check valve is removed for maintenance. The outlet assembly should have separate colour coding for each service and will accept only corresponding gas specific adaptors. All outlets shall be cleaned and de-greased for medical gas service, factory assembled and tested. The medical gas outlets should be of quick connecting and wall mounted modular type. (m) Terminal units must be colour coded in the front part with laser painting so that colour code last without wear and must contain an additional aluminium actuator in the front part which can be press locked and not screwed for easy service, maintenance and should be unbreakable.

Supply, install, testing and commissioning of DIN Probe Oxygen outlet complete all as specified and directed.

Supply install, testing and commissioning of oxygen Back Pressure Compensated flow meter with control range of 0 – 15 lpm (calibration within +/- 10%) with 250 ml humidifier bottle made of unbreakable polycarbonate material and autoclaved at 121 degree Centigrade temperature. The flow meter shall be strict precision, durability standard and body shall be made of brass chrome plated materials. The flow tube and shroud components shall be made of clear, impact resistant polycarbonate. Flow Tube shall have large and expanded 0 – 5 lpm range for improved readability at low flows with Inlet filter of stainless steel wire mesh to prevent entry of foreign particles.

Supply, Install, testing and commissioning of DIN EN ISO 7396-1 or HTM 02-01 for single Gas alarm Panel O2, The alarm panel shall be enclosed in a steel decorative frame powder coated duly powder coated and shall be designed to accept an electrical input range of 120-240 volts AC, 50-60 Htz. The source voltage shall be stepped down with a self-contained transformer, including making 5Amp point from nearest DB/switch board with suitable size of wire, switch and socket etc,. The panel shall contain audible and visual alarm indicators with the following features:- (a) It should be combined with Area Alarm for low space consumption. It should provide a zone isolation facility for use either in an emergency or for maintenance purpose. The Area Valve Service Unit should incorporate. It should be reliable and easy to operate and must have NIST connectors facilitate easy purge, sample & pressure testing and emergency supply system. (b) The unit should be pre-piped, wired and tested ready for installation into a finished building. Medical gas/vacuum services should be fixed copper, piped to and from their respective area valve service units. A color coded service identity label should be fitted behind the valve handle. The unit should provide a zone isolation facility, for use either in an emergency or for maintenance purposes. The box shall be made from steel decorative frame powder coated to prevent corrosion. All wetted parts (except seals and gaskets) should be brass or copper. Each unit assembly should be factory tested for gas tightness. Rubber pipe grommets should be provided to ensure any leaking gas does not escape from the unit into a wall cavity. All visible aluminum surfaces should be powder coated.

(c) The valve unit of the compressed gases or vacuum consists of the following components:- (i) Medical ball-valve DN 20 and pressure gauge per gas type., (ii) Valve group consists of valve block, shut-off valve and visible physical isolation for service. (iii) Quick access by special lock and push in window, (iv) Diameter connection pipe 22mm available, (v) Emergency supply inlet NIST-Coupling, pressure transmitter for each gas type. The pressure transmitter converts the current pressure to the alarm panel. The alarm panel system is programmed to ensure a warning signal in case of any increase or decrease of the pressure. (d) A fully color coded label package shall be supplied with alarm panel assembly for application by the installer. The valve box shall be of minimum IP-41 with sheet steel construction powder coated to prevent rust. A single box shall house from one to three valves. Box shall be supplied with a ¾” plaster flange. Valve box assembly shall be supplied with a formed steel decorative frame powder coated which encloses an easily removable flexible window.

K.V.GEORGE AND COMPANY

AAG INDIA PVT LTD

AISWARYA ENTERPRISES

AR Traders

SREENARAYANA ENTERPRISES

PHEJAYS AGENCIES

ANIE JOHN CONTRACTORS