Engineering design parameters and requirement for hospitals

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Engineering design parameters and requirement for hospitals

  1. 1. Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  2. 2. ELECTRICAL WORKS DESIGN PARAMETERS FOR HOSPITALS Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  3. 3. Electrical Works – Codes  Philippine Electrical Code  Fire Code of the Philippines  National Building Code of the Philippines and Its IRR  Existing Local Codes and Ordinances Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  4. 4. Electrical Works – Standards  Bureau of Product Standards (BPS)  Underwriters Laboratory (UL)  International Electro-Technical Commission (IEC)  Illumination Engineering Society  National Electrical Manufacturer’s Association (NEMA) Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  5. 5. Electrical Works Site Works Master Site Development Plan should show:  Substation / Power House  KVA rating and other specifications of transformers  Switchgear requirements  Panel Board Layout  Electrical Metering Devices Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  6. 6. Electrical Works Site Works (cont)  Service Conductors and Conduit Layout  Grounding System  Emergency Stand by Generators  Street and Perimeter Lighting System Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  7. 7. Building Electrical System 1. Lighting System  Provide adequate normal branch circuits to all areas using standard lighting design analysis.  Utilize standard illumination requirements per area using preferred or particular type of luminaire. Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  8. 8. Building Electrical System 2. Power System  Provide adequate number of normal branch circuits 3. Standby / Emergency System  Provide adequate number of life safety and critical emergency branch circuits for lighting or utility equipment connected to alternate power source. Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  9. 9. Building Electrical System 4. Auxiliary System  Provide the following: d.Communication System – Telephone, Local Area Network, Public Address Paging, Private Branch Exchange or PABX, Nurse Call, Master or Cable Antenna Television e.Fire Alarm System f.Security System Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  10. 10. Building Electrical System 5. Lightning Protection System  Include roof-mounted air terminals, grounding conductors, ground rods, conduits, clamps, and other equipment to complete the system. Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  11. 11. Building Electrical System Details  Lighting fixtures / Luminaires  Panel board and Circuit breakers  Switchgear and other metering devices  Electrical and Hospital Equipment  Installation and Termination of Auxiliary Equipment and other Special Devices Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  12. 12. Building Electrical System Details (cont)  Power and Telephone Hand holes / Manholes (as may be required)  Pedestal and Service Entrance to building  Grounding System Layout  Substation / Power house and Electrical Room  Transformer and Generator Mounting Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  13. 13. Building Electrical System Summary of Materials  General Lighting Luminaires c. Fluorescent Lamps – linear, circular, self- ballasted; Cool or Warm White; fixture housing steel sheet high reflectance powder coat finish d. Lamp Holders – thermosetting plastic e. Fluorescent Ballast – magnetic or electronic type with high power factor of high frequency energy saving type Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  14. 14. Building Electrical System Summary of Materials (cont)  General Lighting Luminaires (cont) c. Down Lights and Pin Lights – heavy gauge spun aluminum with lamp d. Other special lighting such as Operating Room Lights – as specified by end users Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  15. 15. Building Electrical System Summary of Materials (cont)  Wiring Devices c. Wiring Devices – non-automatic control, contact guaranteed by the special spiral springs d. Switches – 15A, 250V or 300V unless otherwise specified; terminals screw type or quick-connected e. General Use Receptacles – 15A, 240V grounding type unless otherwise specified f. Special Purpose Receptacle – as specified; with matching plugs Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  16. 16. Building Electrical System Summary of Materials (cont)  Panel Boards and Circuit Breakers c. Current-carrying parts of the panel board plated; solid neutral (S/N) assembly when required; assembly isolated from the enclosure d. Molded case circuit breakers (show frame, trip rating and interrupting capacity); quick make, quick break, thermal magnetic, trip indicating; with common trip on all multiple breakers with internal trip mechanism Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  17. 17. Building Electrical System Summary of Materials (cont)  Electrical Conduits, Boxes and Fittings – rigid steel, zinc coated or galvanized c. Rigid Steel Conduits (RSC) d. Rigid Metal Conduits (RMC) e. Intermediate Metal Conduits (IMC) f. Electrical Metallic Tubing (EMT) g. Unplasticized Polyvinyl Chloride (uPVC) schedule 40 Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  18. 18. Building Electrical System Nurse Call System – control panel, bed head panel, ancillary call and annunciating equipment  Wiring – data cable, 24V supply to each bed unit  Two levels of calls: d. Patients to Nurse – by means of wall mounted or handset mounted call push button bed head panel Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  19. 19. Building Electrical System Nurse Call System (cont) b. Nurse to Nurse – emergency call, instigated by emergency push/pull switch mounted on call units of bed head panels  Bed Head Panel – type depends on patient bed class; multiplexed bed head panel for sound distribution Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  20. 20. Building Electrical System Nurse Call System (cont)  Bathroom – provided with pull cord unit and reset unit  Room indicator lamp installed above the door along the corridor of each patient bed ward  Nurse Station – equipped with indicator unit (audible and visual) to indicate zone calling and type of call  Emergency indication in acute areas arranged “for staff use only” Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  21. 21. Building Electrical System Summary of Materials (cont)  Solid state switching, all items connected to internal printed circuit boards readily interchangeable for maintenance purposes Master Antenna Television (MATV) and Cable Television (CATV) System  Two source; One from a master antenna at the roof or in a suitable area and the other from a commercial cable television service Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  22. 22. Building Electrical System Summary of Materials (cont)  Master antenna with FM, VHF, and UHF antennas, combiner, distribution amplifier, coaxial cables, splitters, tap-offs, and TV outlets  Individual trunk of master antenna and cable TV rising from the building Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  23. 23. Building Electrical System Summary of Materials (cont) Structured Cabling and Telephone System  Minimum provision for 500 mixed PABX extension and direct telephone lines for level 3 hospitals Security System  Include intrusion detection and alarm; CCTV access control Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  24. 24. STRUCTURAL AND CIVIL WORKS DESIGN PARAMETERS FOR HOSPITALSArch. Allen R. Buenaventura, MCM
  25. 25. Structural Works – Codes  National Structural Code of the Philippines (NSCP) 2001  National Building Code of the Philippines and its revised IRR  Accessibility Law  Local Codes and Ordinances Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  26. 26. Structural Works – Standards  Bureau of Product Standards (BPS)  Philippine National Standards (PNS)  DPWH Blue Book  American Concrete Institute (ACI)  American Society for Testing Materials (ASTM)  American Welding Society (AWS) Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  27. 27. Structural Works Site Works  Reference: Hospital Master Site Development Plan  Main hospital road capable of two way traffic; 6.00mts. Minimum width, 150mm thickness, concrete strength should be at least 3000psi. Interior roads leading to support facilities shall be designed to accommodate delivery trucks, fire tracks, waste collection vans Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  28. 28. Structural Works Site Works (cont)  Fences should be see-through for the front of the hospital while the three other sides should be made of concrete hollow blocks. Minimum height 2.00 meters. Provide perimeter lighting. See-through fence will be made of 32mm square bars spaced at 100mm on center and provided with three(3) concrete hollow blocks (45mm high) bottom wall Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  29. 29. Building Structural System Buildings  Use seismic importance factor of 1.25  Immediate occupancy category  Designed in accordance with NSCP requirements up to magnitude 7 for those near seismic source Type A  Observe seismic gaps between buildings (old and new) Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  30. 30. Building Structural System Buildings  Use wind importance factor of 1.15 (specially for roofing system)  Use concrete gutters and parapet walls as additional protection to the roofing system in strong typhoons  Use fire-resistive and non-toxic materials Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  31. 31. Building Structural System Buildings  Verify with PHIVOLCS the distance of the proposed hospital to nearest active fault lines and with DENR for geo-hazard map of the area  Conduct soil investigation to determine soil bearing capacity (at least three bore holes) and to recommend foundation design. Applicable even for one story structures. Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  32. 32. Building Structural System Details  Provide details of connection of beams and columns following requirements of NSCP for confined areas  Provide connection of trusses to beams and columns  Provide splicing details of reinforcing bars on columns and beams and the required bar cut-off points Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  33. 33. Building Structural System Summary of Materials  Concrete shall be Portland Cement and conforming to ASTM specification C150, Type I to Type II  Coarse aggregates shall consist of washed gravel, crushed stone or rock or a combination thereof conforming to ASTM C33 Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  34. 34. Building Structural System Summary of Materials (cont)  Concrete hollow blocks shall be a standard product of recognized manufacturer conforming to PNS 16 with at least 350psi strength  Reinforcing bars shall conform with PNS Grade 60 for 16mm diameter and above and PNS Grade 40 for 12mm diameter and below Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  35. 35. Building Structural System Summary of Materials (cont)  Structural Steel shall conform with ASTM A36/ A6M c.Bolts and studs shall conform with ASTM A325 d.Welding electrodes shall be E60 or E70 and conform with AWS D.1.1 Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  36. 36. SANITARY / PLUMBING WORKS DESIGN PARAMETERS FOR HOSPITALS Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  37. 37. Sanitary Works – Codes  National Building Code of the Philippines and its revised IRR  Fire Code of the Philippines  National Plumbing Code of the Philippines (NPCP)  Code of Sanitation  Existing Local Codes and Ordinances Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  38. 38. Sanitary Works – Standards  Bureau of Product Standards (BPS)  Philippine National Standards for Drinking Water  Underwriters Laboratory (UL)  DOH National Reference Laboratory (NRL)  DOH Health Care Waste Management Manual  National Water Resources Board (NWRB)  National Plumbers Association of the Phils. (NAMPAP)  Philippine Society of Sanitary Engineers (PSEE) Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  39. 39. Sanitary Works Site Works  Storm Drainage Network – shall accommodate the magnitude of peak rates of surface run-off including drainage coming from the buildings. System shall be capable of handling the design flow leading to the designated outfall.  Rainfall calculation and size of drainage pipes – refer to Table-D2, Appendix-D, NPCP, and current rainfall record from the PAG-ASA. Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  40. 40. Sanitary Works Site Works (cont)  Sewerage Pipe Network shall accommodate all sewage coming from all buildings, conveyed by a gravitational flow leading to the proposed sewage treatment plant.  Per capita waste water demand – 100-130gal/capita/day per bed  Water Supply Network shall include also fire hydrant needs, accessible drinking water to serve as testing point for safe and potable water supply Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  41. 41. Building Sanitary Systems Sewerage and Vent System  Provide complete sewerage and vent system from all plumbing fixtures and floor drains, laid by gravity flow leading to the sewage treatment plant. For demand weight of fixtures in fixture units, refer to Appendix A, Table A-2, NPCP Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  42. 42. Building Sanitary Systems Wastewater and Vent System  Provide separate wastewater line and vent system for all areas dealing with laboratory activities and generating infectious wastes. Route the system to a neutralization tank before discharging to a sewage treatment plant. Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  43. 43. Building Sanitary Systems Wastewater and Vent System (cont)  Provide separate wastewater line and vent system for all areas generating oil or grease such as the dietary. Tap the system to the grease trap before connecting the effluent to a sewage treatment plant. For demand weight of fixtures, refer to Appendix A, Table A-2, NPCP Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  44. 44. Building Sanitary Systems Water Supply System  Provide complete cold water supply to all plumbing fixtures. From the main water source, pump the water to the elevated water tank and convey to fixtures by gravity of transfer pump the water with constant pressure through pneumatic storage tank, whichever is feasible. Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  45. 45. Building Sanitary Systems Water Supply System (cont)  Provide hot water supply through portable water heaters to selected areas such as sterilizing units, laboratories, dietary, clean up rooms, and others as required by the owner. Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  46. 46. Building Sanitary Systems Storm Drainage System  Provide complete storm drainage system for all roofs, canopies, concrete ledges and balconies including condensate drains laid for gravity flow, connected to leader/pipe line to the natural ground level storm drainage network Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  47. 47. Building Sanitary Systems Sewage Treatment Plant  Provide sewage treatment plant designed according to the hospital bed capacity. Adapt a biological process of sewage treatment complying with environmental statutory laws specifically DENR Administrative Order No. 35 Hospital Planning and Design Engineering Design Parameters and Requirements In Hospital & Healthcare Facilities
  48. 48. Building Sanitary Systems Summary of Materials  Sewer and Vent Pipes – Unplasticized polyvinyl (uPVC) extra series 1000 conforming with ISO 3633 ASTM D2729 including trims and fittings  Downspouts – same as above  Storm Drainage Pipes – 250mm dia. and below non-reinforced concrete pipe; 300mm dia. and above reinforced concrete pipe Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  49. 49. Building Sanitary Systems Summary of Materials (cont)  Drainage Manholes, Street Inlet, Curb Inlet – Traffic type reinforced concrete; Area Drain / Catch Basin – Reinforced Load Bearing CHB  Sewage Manholes – Traffic Type Reinforced Concrete with standard steel brass cover  Wastewater Pipe – extra heavy, single hub, hub less cast iron pipes and fittings conforming to ASTM standard 888 Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  50. 50. Building Sanitary Systems Summary of Materials (cont)  Cleanouts – cast iron brass with counter sunk plug (BPS certified)  Floor Drain Deck Drains – cast iron brass (BPS certified)  Gutter Drains – cast iron dome type brass (BPS certified) Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  51. 51. Building Sanitary Systems Summary of Materials (cont)  Cold Water Supply Pipes – Polypropelene Pn 10 Fusion weld pipes including trims and fittings (BPS certified)  Hot Water Supply Pipes – Polypropelene Pn 20 Fusion weld pipes including trims and fittings (BPS cerfified)  Trench Grating – galvanized / stainless steel iron grates Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  52. 52. Building Sanitary Systems Summary of Materials (cont)  Plumbing Fixtures including trims, fittings and accessories (BPS certified) c.Water closet – tank type push button flush d.Lavatory – pedestal/counter type with C-spout spray faucet e.Kitchen Sink – Ga.16 stainless steel seamless bowl with gooseneck faucet f.Urinal – wall hung flush valve type Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  53. 53. Building Sanitary SystemsSummary of Materials (cont) Plumbing Fixtures at Sterile Areasc.Scrub-up Sink – Ga.16 stainless steel (single/ doublebowl) compartment, knee operated or sensor controlledspray faucetd.Surgical Soap Dispenser – Ga.16, stainless steel foot-operatede.Laboratory Sink – Ga.16 stainless steel deep seatedseamless bowl compartment with C-spout spray faucet Hospital Planning and Design Engineering Design Parameters and Requirements In Hospital & Healthcare Facilities
  54. 54. MECHANICAL WORKS DESIGN PARAMETERS FOR HOSPITALSArch. Allen R. Buenaventura, MCM
  55. 55. Mechanical Works – Codes  National Building Code of the Philippines and its revised IRR  Fire Code of the Philippines  Mechanical Engineering Code of the Philippines (ME Code)  Existing Local Codes and Ordinances Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  56. 56. Mechanical Works – Standards  Bureau of Product Standards (BPS)  Philippine National Standards (PNS)  Underwriters Laboratory (UL) & Factory Manual (FM)  International Electro-technical Commission (IEC) 1988  National Fire Protection Association (NFPA)  NFPA Standards for Health Care Facilities  American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE)  Center for Disease Control and Prevention Manual Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  57. 57. Mechanical Works Site Works  For Automatic Fire Sprinkler System, Site Plan indicating the location of the buildings, firewater reserve tank, firewater line, yard loop and private fire hydrant  For Medical Gases and Vacuum System, Site Plan indicating the location of the buildings, medical gases manifold and vacuum housing Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  58. 58. Building Mechanical Systems Automatic Fire Sprinkler System  Provided in all hospital buildings except for one (1) story structures built with fire resistive materials  Hazard Classification – light hazard occupancy  Area of coverage 146 sq.m., water supply density 4.07 lps / sq.m.  Protection area per sprinkler head 20 sq.m. at 2.2 m minimum distance and 4.2m maximum distance between sprinkler Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  59. 59. Building Mechanical Systems Automatic Fire Sprinkler System (cont)  All floor control valves equipped with supervisory switch, water flow detector and drain system  Water supply horizontal split case centrifugal fire pump diesel engine or AC motor, vertical in-line jockey pump with controller  Firewater reserve tank ground level monolithic concrete tank sized for a min. supply of 30mins  Hydraulic calculations report based on NFPA-13 format Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  60. 60. Building Mechanical SystemsVentilation and Air Conditioning System Provided in all patient private room, radiological andimaging areas, operating rooms, delivery rooms, criticalcare areas, laboratories, drug storage, offices Split type air conditioners for large capacity areas Window type ACU for areas with exterior wallexposure Centralized air conditioning only when feasible Design temperature 25deg C at 50% RH Hospital Planning and Design Engineering Design Parameters and Requirements In Hospital & Healthcare Facilities
  61. 61. Building Mechanical Systems Ventilation and Air Conditioning System (cont)  Design of critical care areas laminar or positive pressure – supply air is 10% more than exhaust air  Isolation rooms for highly infectious diseases like TB and SARS negative pressure – exhaust air is 10% more than supply air Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  62. 62. Building Mechanical Systems Ventilation and Air Conditioning System (cont)  Maintain air changes rate greater than or equal to 12 air changes per hour or 145 liters per second per patient  Provide ceiling cassette type exhaust fans with integral air diffuser in all toilets  Provide orbit type ceiling fans 360 deg oscillation in all non air conditioned rooms such as patient wards, nurse stations, work areas Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  63. 63. Building Mechanical Systems Medical Gases and Vacuum System  Medical gases and vacuum system – provided throughout the hospital  Medical gas supply – provided through manifold system and bulk system  Pipeline system shall be equipped with zone valves and alarm system  Vacuum pumps – duplex type each-capacity to handle the total load without loss of vacuum in the system Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  64. 64. Building Mechanical Systems Medical Gases and Vacuum System (cont)  Gas outlets – single, double, triple or more units for the following gas services: oxygen, air, nitrous oxide and vacuum c.Flow calculations NFPA standards for hospitals d.Piping – seamless type “K” or “L” hard tempered copper tubing suitable for silver brazing. Joint and fittings for copper tubing-cast bronze for brazing Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  65. 65. Building Mechanical Systems Elevator System  Hospital bed elevator – provided in all multi storey hospital buildings, separate elevators for patients, service elevators.  Minimum car size – 1.50 mtrs width and 2.15 mtrs height  Car door opening – not less than 1.10 mtrs and 3.10 mtrs height. Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  66. 66. Building Mechanical Systems Summary of Materials Automatic Fire Sprinkler System  Sprinkler Head – UL listed/FM approved, pendant, upright or sidewall unit, 83 LPM flow capacity per head and temperature fusing at 57.7 deg Celsius to 74 deg Celsius  Fire Pump – UL listed /FM approved diesel engine or electric motor driven-designed for automatic water sprinkler protection system Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  67. 67. Building Mechanical Systems Summary of Materials Automatic Fire Sprinkler System (cont)  Jockey Pump – UL listed /FM approved, electric motor driven, 220V, 3-phase, 60hertz, electric power connection  Alarm Assembly – UL listed /FM approved, so installed that any flow of water from the sprinkler system equal to or greater than that from the single automatic head shall result in an audible and visual sign in the building vicinity Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  68. 68. Building Mechanical Systems Summary of Materials Automatic Fire Sprinkler System (cont)  Water sprinkler alarm and supervision system – includes the monitoring water flow switch of each building floor, fire pump and jockey pump running condition and power supply, water level of the reservoir and control valves  Pipes – B.1 schedule 40. Screw fittings – used for inside piping Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  69. 69. Building Mechanical Systems Summary of Materials Air Conditioning and Refrigeration System  Refrigerant pipes – copper tubing, type L or K black steel pipe, Schedule 40 for 100mm diameter and less. Pipes over 100mm diameter Schedule 40  Black Steel Pipes – standard seamless, lap-welded or electric resistant welded for size 50mm diameter and larger, screw type for size 38mm diameter and smaller, fittings for copper tubing-cast bronze fitting designed for brazing Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  70. 70. Building Mechanical Systems Summary of Materials Air Conditioning and Refrigeration System (cont)  Pipe Insulation – preformed fiberglass or equivalent. Insulating materials covered with 100mm x 13mm thick polyethelene film overlapped not less than 50mm  Ducts – galvanized steel sheets of standard gauges  Ductwork Insulation – rigid board styropor or equivalent 25mm thk for ground and top floor, 13mm thick for intermediate floor Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  71. 71. Building Mechanical Systems Summary of Materials Medical Gases and Vacuum System  Medical gas manifold and vacuum plant – UL listed/ FM approved  Gas Outlet Stations – UL listed/FM approved quick connect type or DISS type, stainless steel or PVC faceplate mounted on chrome-plated zinc die-cast cover plate Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities
  72. 72. Building Mechanical Systems Summary of Materials Elevator System  Hospital bed elevator and passenger elevator – machine room-less or traction type only  Elevator System – UL listed / FM approved Hospital Planning and Design Engineering Design Parameters and RequirementsArch. Allen R. Buenaventura, MCM In Hospital & Healthcare Facilities

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