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Vacuum Systems

Summary of content (51 pages)

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Source Equipment Vacuum Systems
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Source Equipment Table of Contents 7.1 How To Use This Section...................................................................................................................................................................................................1 7.2 Introduction..............................................................................................................................................................................................................................1 7.
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7.1 How to Use This Section The following section is organized such that the medical vacuum system for a project may be developed and executed in a logical and simple progression. Examples are given whenever possible. The basic milestones in designing the medical vacuum system are as follows: • Definitions – Definitions are provided as a general guide that contains terminologies which may be frequently utilized within the Medical Vacuum Systems section.
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7.3 Steps to Implementing the Medical Vacuum (Suction) System 7.3.1 Discovery 1. Should existing equipment be incorporated along with the Medical Vacuum Systems, determine the dimensions, type, capacity and current loading of the existing equipment. Ensure the existing equipment is compatible with the current standard. 2. Determine the number type and inlet count of all occupancies in the facility which will receive medical vacuum inlets. 3.
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Figure. 1 The National Fire Protection Association (NFPA) Method for Vacuum Plant Sizing Available online at www.amico.com VACUUM LOCATION OF OUTLETS Outlet Q’ty per location Free Air Allowance, SCFM Per Bed Per Room Per outlet Simultaneous Number of Beds, Vacuum use Factor Rooms or Outlets SCFM Anesthetizing Locations 1. Operating Room 3/Room 3.5 100 0 0.00 2. Cystocscopy 3/Room 2 100 0 0.00 3. Delivery 3/Room 1 100 0 0.00 3/Room 4 100 0 0.00 3/Room 3 100 0 0.
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Note on Sizing Methods: All sizing methods are only approximations and should be used judiciously. If an existing vacuum plant is being replaced, the operating characteristics of that vacuum pump can be an important gauge of likely future use. For example, if an existing 5 HP.
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When specifying the unit, require it be purchased in preparation for the additional pump(s) yet not populated with those pumps. A representative specification would read: “provide duplex vacuum plant with triplex controls ready for a future third pump”. Such a system provides an effective method of expanding system capacity, is more capitalefficient and ensures better operating characteristics and reliability.
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7.3.8 Specification 1. Select the sections appropriate to the technology and system architecture desired. 2. Write into the specification any exceptional requirements (soft starters, etc.) that are necessary. 3. Schedule on the drawings the vacuum plant selected. Schedule at least: a. The capacity per pump (per NFPA) and total system capacity. b. Horsepower per pump or Kilowatt. c. Voltage, Hz, and phase desired. 7.3.
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Figure 3: Technology Comparison Chart Characteristics Contact-less Claw Reliability when maintained Good Longevity of Pump Lubricated Rotary Vane Oil-free Rotary Vane Excellent Good Moderate Good Excellent Good Moderate Operating Cost (Utilities) Low High without recirculation Low Moderate Altitude Poor (1) Good No limit Poor (1) Tolerance for Carryover Poor Excellent Poor Poor Maintenance Low Easy* Low, can be complex High, can be complex Moderate, easy Best Feature Low
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Notes on the Source Sizing Guide These tables represent standard systems and configurations and do not represent all configurations. In particular: Envelope dimensions do not include maintenance space. Amico Source recommends 36 in. (92 cm) on all sides but less space may be possible with an understanding of the system maintenance requirements. In all cases the National Electrical Code requires a minimum clearance of 36 in. (92 cm) in front of the control cabinet.
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7.4.1 Summary of NFPA 99 Specification (Vacuum System) PART 1 – GENERAL (Medical Vacuum) RELATED DOCUMENTS: Drawings and general provisions of the Contract, including general and supplementary conditions and Division I specification section, apply to this section. SUMMARY EXTENT OF WORK A.
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COORDINATION A. Medical Gas Contractor shall coordinate with other trades to ensure timely installations and evade conflicts and interference. B. Work with metal stud partition installer and/or mason to ensure anchors, sleeves and similar items are provided in sufficient time to avoid delays; chases and openings are properly sized and prepared. C.
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c. For other medical gas products include: (i) Outlet keying system. (ii) Alarms networking instructions. d. Complete installation instructions for the use of the installer. e. Statement of specific compliance with paragraphs of NFPA 99 Standards most recent edition as relevant to the equipment and as listed in those sections. Complete maintenance schedules. f. g. Warranty statement which must encompass all system components.
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2. Medical air, instrument air, medical vacuum and WAGD controls are to be wired in accordance with NEC. 3. MGEM will include with submittals an affidavit attesting to compliance with all relevant paragraphs of NFPA 99 most recent edition including (d) below. 4. MGEM personnel assembling medical air, instrument air, vacuum and WAGD plant shall meet the latest edition of NFPA 99 section titled “Qualification of Installers” and hold medical gas endorsements as under ASSE 6010. 5.
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D. MGEM shall have a minimum of 5 years of experience manufacturing medical air and vacuum systems. E. Written pre-approval is required for all equipment from other manufacturers. ALL VACUUM TUBING SHALL INCLUDE: A. Type ‘L’, ‘M’, or ASTM B-280 ACR copper. B. Brazed with BCuP-5 Brazing alloy or equivalent alloy with at least 1000 ˚F melting point. MEDICAL VACUUM PUMPS Specifier: Determine the size of vacuum plant required and place on the medical gas schedule 1.
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Oil-Less Rotary Vane: 1. Provide completely dry pumps equipped with self-lubricating carbon/graphite vanes. Bearings shall be lubricated and sealed. No oil is permitted in the pump. Each pump is completely air-cooled and has \absolutely no water requirement.
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C. Piping and Control Components The piping control components for each vacuum pump shall include: 1. Flexible inlet and outlet couplings. 3. Inlet and outlet shut-off valves. 3. Exhaust drip leg. 4. A means of removing the vacuum pump for service or replacement without interruption to the system. Piping and control components shall have corrosion resistance at least equivalent to that of brass or copper and have a rating consistent with the pressure and flow requirements of the system.
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1. Control Panel Features: Only panel components that are commercially available and not of propriety design will be considered. a. NEMA 12 control panel enclosure. b. Full voltage motor starter shall be UL 508 E self-protected combination starters with overload protection and external operators. c. Door interlock disconnect switch. d. 90 dB alarm buzzer. e. Visible indicator of “power on” and “pump running” for each pump. f.
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3. Panel designed with selectable options to fully match applications a. All system settings shall be user adjustable and accessible with the system in operation and the control panel door closed (password protected). b. Adjustments can be made to pressure settings to match the customers’ requirements. c. All alarms to require manual reset.
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7.5 Quick Guide to Configurations Modular Stacking Configuration Modular stacking configurations have two pumps assemblies stacked on a single stack that are separable for shipping. Vacuum pumps assemblies include at least one pump and one motor. Space-Saver Configuration Vertical configurations have two pumps stacked on a single vertical tank. This configuration is only suitable for smaller vacuum pumps or pumps with very little inherent vibration such as Contact-less Claws.
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Note: The location and number of vacuum terminal units in a system must be determined by consultation with the medical and hospital staff having knowledge of the requirements for and the utilization of vacuum in each space or patient location. Often individual state requirements will dictate specific numbers and locations for vacuum outlets. The usage factor is a function of the anticipated procedure(s) and apparatus which could be encountered simultaneously and may vary from one facility to another.
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Figure 4 Exhaust Pipe Sizing Available online at www.amico.com Unit Flow Basis SCFM@50 PSI (LPM@345kPa) Allowable Equivalent Run (Feet) Nominal Pipe Size 1.5” 4.0” 5.0” 12 450 Duplex 2 Hp LPM 20 170 700 Duplex 3 Hp 36 65 250 800 Duplex 5 Hp 74 16 65 200 475 Duplex 7.
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Lubricated ROTARY VANE VACUUM SYSTEM Vacuum System • Must meet or exceed the requirements of the latest edition of NFPA 99 • Package shall include: - Lubricated Rotary Vane Vacuum Pumps - One Touch Screen Control Panel - One Receiver that complies with Section VIII, Unfired Pressure Vessels, of the ASME Boiler and Pressure Vessel Code • All components shall be completely pre-piped and pre-wired to single-point service connections • The only field connections required will be system intake, exhaust and pow
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Control Panel • UL listed digital control panel in a NEMA 12 enclosure with a 5.7” Touch Screen Display • Our pumps include the following accessories: - Temperature sensor at each discharge port of the pump with numerical display - Externally operable circuit breakers with door interlock per pump - Control circuit transformers with fused primary and secondary circuit breakers - WinCE 5.
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                                                         
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24 Amico Source Equipment                                                     
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                                                          
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26 Amico Source Equipment                                                           
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                                            M²)                      
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28 Amico Source Equipment                                                     M²)      
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                                                         
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30 Amico Source Equipment                                                          
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Oil Less ROTARY VANE VACUUM SYSTEM Vacuum System • Must meet or exceed the requirements of the latest edition of NFPA 99 • Package shall include: - Oil-Less Rotary Vane Vacuum Pumps - One Touch Screen Control Panel - One Receiver that complies with Section VIII, Unfired Pressure Vessels, of the ASME Boiler and Pressure Vessel Code • All components shall be completely pre-piped and pre-wired to single-point service connections • The only field connections required will be system intake, exhaust and power c
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Control Panel • UL listed digital control panel in a NEMA 12 enclosure with a 5.7” Touch Screen Display • Only panel components that are commercially available and not of propriety design will be considered • Our pumps include the following accessories: - Temperature sensor at each discharge port of the pump with numerical display - Externally operable circuit breakers with door interlock per pump - Control circuit transformers with fused primary and secondary circuit breakers - WinCE 5.
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                                                                  
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34 Amico Source Equipment                                                        
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                                                        
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36 Amico Source Equipment                                                                        
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                                             M²)                
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38 Amico Source Equipment                                                     
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Oil Less CONTACT-LESS CLAW VACUUM PUMP Vacuum System • Meets or exceeds the requirements of the latest edition of NFPA 99 • Package shall include: - Oil-Less Contact-less Caw Vacuum Pump - One Touch Screen Control Panel - One Receiver that complies with Section VIII, Unfired Pressure Vessels, of the ASME Boiler and Pressure Vessel Code • All components shall be completely pre-piped and pre-wired to single-point service connections • The only field connections required will be system intake, exhaust and po
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Control Panel • UL listed control panel in a NEMA 12 enclosure with a 5.7” Touch Screen Display • Only panel components that are commercially available and not of propriety design will be considered • Our pumps include the following accessories: - Temperature sensor at each discharge port of the pump with numerical display - Externally operable circuit breakers with door interlock per pump - Control circuit transformers with fused primary and secondary circuit breakers - WinCE 5.
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                                                      M²)     
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42 Amico Source Equipment                                                        
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                                                       
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44 Amico Source Equipment                                                M²)        
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                                                         
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46 Amico Source Equipment                                                     M²)           
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                                                         
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48 Amico Source Equipment                                            M²)             
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www.amico.com Amico Source Equipment | www.amico.com 85 Fulton Way, Richmond Hill Ontario, L4B 2N4, Canada Toll Free Tel: 1.877.462.6426 Tel: 905.764.0800 Fax: 905.764.0862 Email: info@amico.