Lighting system 照明系统

1、LIGHTING SYSTEM照明系统1LIGHTING SYSTEM 1.Lighting system prepare; 2.Lux calculation; 3.Lighting system arrangement drawing； 4.Lighting system single line diagram.LIGHTING SYSTEM 1. Lighting System Prepare Reference for design: - Construction specification;- General arrangement（GA）drawing；- Hazardous ar

2、ea division drawing；- Fire zone division drawing；- Escape route arrangement drawing；LIGHTING SYSTEM 2.Lux calculation；Present two of solutions - Calculation with formula ；- Calculation with vendor software。LIGHTING SYSTEM- Calculation with formulaNUfF=EAD N : Lighting fixture Qty U : Utilization fac

3、tor 利用系数 F : Lumen 流明 E : Lux(average intensity of illumination required) 勒克斯（平均照度） A : Room area 房间面积 D : Depreciation factor = 1/M(Maintenance factor) 折旧率=1/M(维护系数)LIGHTING SYSTEM U : Utilization factor 利用系数Room Index = AxB / (A+B) x h)，或 = S / (P/2) x h)A:Width; B:Depth; S:Area; P:Perimeter;h: Ro

4、om height - 0.85M(from floor) - Distance from lights to ceiling.Room Index Uf0 - 1.490.351.5 - 1.990.402 - 2.490.452.5 and above0.50LIGHTING SYSTEM F : Lumen 流明 Fluorescent 40w 3000 lm Incandescent 200w 2500 lmLIGHTING SYSTEM D : Depreciation factor (1/M) 折旧率Fluorescent Accomm. & on main deck 1.

5、3 Engine room 1.5 Gallery 1.7Incandescent Accomm. & on main deck 1.2 Engine room 1.3 Gallery 1.5LIGHTING SYSTEMEx) Accomm. room : 5x6 M, E : 200 lux, U=0.45, D=1.3 40w=3000lm N=? NUfF=EADN x 0.45 x 3000 = 200 x 5 x 6 x 1.3 N=5.7 Answer = 40w x 2 : 3setLIGHTING SYSTEMGuidance for the design and f

6、unctional requirements of the lighting systemIEC -General lighting system supplied from the main source of electrical power. - Verification of the lighting levels shall be made by measurements one meter above floor level in general areas and at actual work places where appropriate levels are require

7、d. - The number of measuring points required for measuring in a given area is based on the area index and must be based on an even grid layout for the whole area. (See Area index calculation below.) - Emergency lighting system supplied from the emergency source of electrical power; the emergency lig

8、hting level shall as a minimum be 30% of the general lighting requirement. - The emergency lighting system shall be switched on automatically in the event of failure of the main source of electrical power. Distribution boards for emergency lighting shall be equipped for remote alarming of tripped ci

9、rcuit to a manned area. - Escape lighting system supplied from the battery backup source of electrical power system. Distribution boards for escape lighting shall be equipped for remote alarming of tripped circuit in a manned location. - Hazardous areas as per IEC-61892-7 and the philosophy for isol

10、ation sources in case of emergencies shall be complied with.LIGHTING SYSTEM NORSOK- Normal lighting: Covering approximately 70% of the lighting requirements. The normal lighting shall be fed from the main distribution system. - For the general level of illuminance at 1 m of elevation, the area requi

11、rements according to Annex table apply.- The illuminance levels shall comply with NORSOK standard S-002 (as below).- Emergency lighting: Covering approximately 30% of the platform lighting requirements. In normal operation the emergency stand by lighting shall form part of the normal lighting system

12、. The illuminance levels comply with the relevant parts of EN 1838. - Distribution boards for emergency lighting shall be equipped for common remote alarming of tripped circuit. - Emergency escape lighting: A part of the emergency luminaries, shall be supplied from a battery source, and sited accord

13、ing to EN 1838. Other emergency luminaries e.g. floodlights, shall be supplied from a UPS system.- Portable emergency lighting: The battery charger for battery operated hand lamps shall be fed from the emergency distribution system.- Local distribution boards shall be provided for power distribution

14、 to the lighting system within each functional area. The distribution boards shall to the extent possible be located in non-hazardous dry areas.LIGHTING SYSTEMDescriptionIECDescriptionNORSOK Average llumi-nance E (lux)E min E (lux)E max E (lux) Average llumi-nance E(lux)E min E (lux)E max E (lux)Gen

15、eral Outdoor Area5020100External walkways and access ways100-General Indoor Areas, Corridors, accommodation ect.10040200Corridor in LQs100-Corridor in work areas100-Lay down area200-Muster area200-Coffee bar in LQ, television room etc.150-Gymnasiummin: 300-Cabins150-Toilet / Changing roommin: 200-Co

16、ffee bar outside LQ150-Stairways15060300Stairs, walkways and access ways in enclosed work area150-Process areas - Occasionally manned15060300Unmanned machinery room200-Battery room200-Stores - Large parts200-Stores - small parts300-DescriptionIECDescriptionNORSOK Average llumi-nance E (lux)E min E (

17、lux)E max E (lux) Average llumi-nance E (lux)E min E (lux)E max E (lux)Process areas - frequently manned300150450General process and utility area200-HVAC room200-Local instrument room400-Mud room, mixing area200-Mud room, test station300-Mud lab300-Monkey board200-Pipe rack area200-Mud / well loggin

18、g500-Shale shaker300-Blowout preventer and well head150-Crane cabin400-Drillers cabinAdj: 400-Operator cabin in drilling unit400-Drill floor300150450Drill floor350-Control rooms - Laboratories500250750Central control roomAdj: 500-Local control room400-Laboratory500-Engine rooms - Pump rooms20080400M

19、ain generator room200-Fire pump room200-Auxiliary engine rooms20080400Emergency generator room200-LIGHTING SYSTEMDescriptionIECDescriptionNORSOK Average llumi-nance E (lux)E min E (lux)E max E (lux) Average lluminance E (lux)E min E (lux)E max E (lux)Workshops300120600Inst/El. Workshop500-Mechanical

20、 workshop/ welding500-Workshop office500-Paint shop500-Sandblasting room300-Switchboard rooms300150450Switchboard and transformer room200-Offices500250750Office / Meeting roomAdj: 500-Laundry, galley and mess area300120600Laundry - machinery area300-Laundry - work area300-Galley500-Serving area400-D

21、ining room300-Dish washingmin: 300-Hospital300120360Hospital / wardmin: 500-Emergency hospital (if required)300120360Hospital spotlight10005001500Radio rooms500250750Radio room500-LIGHTING SYSTEMLIGHTING SYSTEMAreas index Calculation (IEC)IEC-61892-2The number of measuring points required for measur

22、ing in a given area is based on the area index and must be based on an even grid layout for the whole area.Area indexNumber of pointsBelow 141 and up to 292 and up to 3163 and above25The area index is given by the formula : K= (a*b)/h (a+b) Where K is the area index, a and b are the sides of the roo

23、m/area and h is the height of the luminaries above the work plane.Any light measurement must be considered in addition to any background light at the place of measurement.Note: The initial illumination levels should allow for lamp deterioration and accumulation. LIGHTING SYSTEMNORSOK Illumination- F

24、or the general level of illuminance at 1 m of elevation, the area requirements according to Annex table apply. - The uniformity of the illminance shall be equal to, or better than, Emin/Emean = 0.5 in process, utility and dril-ling areas.- The uniformity of the illuminance for individual work areas

25、shall be equal to or better than Emin/Emean=0.7.- For lighting calculations, a maintenance factor reflecting the environment and time between maintenance intervals shall be established and applied. Maintenance factor 0.7 is recomme- nded. - Lighting shall be specified for each workplace that require

26、s at least daily access or is critical from a safety point of view. The guidelines in EN 12464-1 shall be applied in the specification of task lighting.LIGHTING SYSTEM- The lighting shall, as a minimum, be included for workplaces that require daily access or detailed reading of information, critical

27、 from a safety point of view. This includes gauges, indicators, areas that need to be checked for leakage and areas that frequently need maintenance.- To avoid shadows, illumination planning shall take the location of fixtures, racks and mechanical equipment into consideration.- The difference in il

28、lumination level between adjacent areas should not exceed 5:1.- In enclosed work areas, the difference shall never be more than 40:1 within the total field of vision.- Provision shall make to avoid direct glare from sunshine, from artificial light sources and from reflecting surfaces.- Glare in visu

29、al display units from reflecting surfaces, lamps and windows shall be avoided.- In the design of the lighting, the level of illumination and location of lamps shall make it easy to see obstructions, steps in corridors, walkways etc.- Different levels of illuminance require different light colors if

30、the lighting is to be comfortable. Warm color should be used in cabin and recreation areas where the lighting levels are below 500lux. High color temperature, whiter light, should be used in areas with high light levels. - In areas monitored by closed circuit television, the illuminance shall be suf

31、ficient to produce quality video pictures. - The need for adjustable workstation lighting shall be provides as needed for fixed work places. LIGHTING SYSTEMEmergency Lighting SystemIEC-61892-2Emergency lighting shall not be below the escape lighting level requirement as per table Below.The location

32、of the lighting fixture shall be based on the need for light in the emergency operation situation.The emergency lighting system shall be switched on automatically in the event of failure of the main source of electrical power.The emergency lighting system shall: ensure illumination for safe operatio

33、n of emergency systems including manual operation area; illuminate all accommodation spaces, control center, work locations, escape routes; helicopter deck and other possible evacuation locations such as lifeboat stations; illuminate the sea where lifeboat and life rafts are to be launched; illumina

34、te the identification system of the unit; illuminate all spaces where loss of lighting presents a danger to personal; illumination system for control stations that shall be operative under emergency conditions. Hospitals and emergency hospitals, if any, shall be fully operational at all times.LIGHTI

35、NG SYSTEMEscape lighting system IEC-61892-2The escape lighting system shall, as a minimum, provide a lighting level to meet illumination level given in table below. The escape lighting system shall be switched on automatically in the event of failure of the main and emergency power supply.The locati

36、on of escape light fixture shall be based on the need for light in the escape situation.The escape lighting systems shall: have a power supply with minimum 30 minutes backup time supplied by batteries either integrated or centralized and have a supply from a emergency generator; NOTE the backup shou

37、ld take account of the way in which personal will muster and evacuate a unit, and how much an evacuation is to be taking out; for helicopter and their mobilization time. illuminate all accommodation spaces, control center, work locations, escape routes; helicopter deck and other possible evacuation

38、locations such as lifeboat station; illuminate the sea where lifeboat and life rafts are to be launched; illuminate all spaces where loss of lighting presents a danger to personal; illuminate all locations where operation of safety equipment can be necessary to bring the in stallation of a safe stag

39、e.LIGHTING SYSTEMLIGHTING SYSTEMAREAAverage illuminance E (lux)E minGeneral Outdoor Area routes51General Indoor escape routes, Corridors, accommodation ect.51Stairways escape routes51Process areas - Occasionally manned51Process areas - frequently manned101Drill floor203Control rooms250125Engine room

40、s - Pump rooms101Workshops101Switchboard rooms102Offices101Laundry, galley and mess area51Hospital300120Hospital spotlight1000500Emergency hospital (if required)300120Radio rooms250125Loading stations - muster station203Overside (sea level)152Lifeboat - Liferaft station203Sea level launching areas15

41、2 1 WAY 2 POLE 2250/1550/15: 80 %LIGHTING SYSTEMLIGHTING SYSTEM23J/B in unit toiletD/B 2 WAY 2 POLE Typical Wiring Diagram 典型接线典型接线船 舱灯具三芯电缆灯具三 芯 电 缆双 极 开 关接 线 盒三 芯 电 缆三 芯 电 缆三 芯 电 缆到 其 它 的 接 线 盒 (另 一 房 间 接 法 类 似 )到 其 它 的 房 间 (另 一 房 间 接 法 类 似 )三芯电缆典 型 开 关 控 制 接 线 图 (带 接 线 盒 )三 芯 电 缆交 流 电 由 照 明 分 电 箱

42、 提 供Typical Wiring Diagram 典型接线典型接线交流电由照明分电箱提供双联开关双联开关接线盒三芯电缆到其它接线盒灯1灯2灯3灯4船舱三芯电缆典型双联开关控制接线图(带接线盒)1号门2号门到其它接线盒/灯具灯具灯具接线盒交流电由照明分电箱提供双联开关双联开关三芯电缆三芯电缆Typical Wiring Diagram 典型接线典型接线船舱A船舱B卫生单元的开关和灯具由卫生单元厂家安装卫生单元的开关和灯具由卫生单元厂家安装卫生单元接线盒卫生单元接线盒三芯电缆三芯电缆接线盒典型卫生单元详细接线图(带接线盒)三芯电缆到其它房间的卫生单元接线盒(另一房间接法类似)三芯电缆三芯电缆交

43、流电由照明分电箱提供NAVIGATION LIGHT Navigation Lighting Definition:Masthead light - means a white light placed over the fore and aft centerline of the vessel showing an unbroken light over an arc of the horizon of 225 degrees and so fixed as to show the light from right ahead to 22.5 degrees abaft the beam o

44、n either side of the vessel.Sidelights - means a green light on the starboard side and a red light on the port side each showing an unbroken light over an arc of the horizon of 112.5 degrees and so fixed as to show the light from right ahead to 22.5 degrees abaft the beam on its respective side. In

45、a vessel of less than 20 meters in length the sidelights may be combined in one lantern carried on the fore and aft centerline of the vessel.Stern light - means a white light placed as nearly as practicable at the stern showing an unbroken light over an arc of the horizon of 135 degrees and so fixed

46、 as to show the light 67.5 degrees from right aft on each side of the vessel.Towing light - means a yellow light having the same characteristics as the “stern light” defined in paragraph (c) of this Rule.All-round light - means a light showing an unbroken light over an arc of the horizon of 360 degr

47、ees.Flashing light - means a light flashing at regular intervals at a frequency of 120 flashes or more per minute.NAVIGATION LIGHT Visibility of LightsThe lights prescribed in these Rules shall have an intensity as specified in Section 8 of Annex I to these Regulations so as to be visible at the fol

48、lowing minimum ranges:(a) In vessels of 50 meters or more in length:a masthead light, 6 miles;a sidelight, 3 miles;a sternlight, 3 miles;a towing light, 3 miles;a white, red, green or yellow all-round light, 3 miles.(b) In vessels of 12 meters or more in length but less than 50 meters in length:a ma

49、sthead light, 5 miles; except that where the length of the vessel is less than 20 meters, 3 miles;a sidelight, 2 miles;a sternlight, 2 miles;a towing light, 2 miles;a white, red, green or yellow all-round light, 2 miles.(c) In vessels of less than 12 meters in length:a masthead light, 2 miles;a side

50、light, 1 mile;a sternlight, 2 miles;a towing light, 2 miles;a white, red, green or yellow all-round light, 2 miles.(d) In inconspicuous, partly submerged vessels or objects being towed:a white all-round light, 3 miles.NAVIGATION LIGHT29112.5 degree112.5 degree225 degree135 degree225 degreePORT : REDSTBD : GREEN Power-driven vessel underway shall exhibit:Power-driven vessel underway sh