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2010 Thesis Project



Shyam Thesis Report

Bachelor In Architecture Final year Thesis Report

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Shyam Thesis Report

  1. 1. A THESIS PROJECT REPORT On “PROPOSED CONSTRUCTION OF CRICKET STADIUM FOR EASTERN RAILWAY AT BEHALA, KOLKATA, W.B.”This thesis is submitted in partial fulfillment of the requirements for the Degree of Bachelor of Architecture in UP Technical University, Lucknow Session (2006-2011) By: Shyam Sunder Singh B.Arch-10th Semester Roll No. 0608881041 APEEJAY School of Architecture and Planning Greater Noida, Uttar Pradesh www. 1
  2. 2. DECLARATIONI Shyam Sunder Singh, hereby declare that the Thesis Project report on “PROPOSED CONSTRUCTIONOF CRICKET STADIUM FOR EASTERN RAILWAY AT BEHALA, KOLKATA, W.B.”for the fulfillment for the Tenth Semester of Bachelor of Architecture course of APEEJAY School ofArchitecture & Planning India is a record of my own work.It is the original work done by me and the information provided in the study is authenticated to the best of myknowledge.The matter embodied in this report has not been submitted for the award of any other degree or diploma. Shyam Sunder Singh B.Arch-10th Semester Roll No. 0608881041 2
  3. 3. CERTIFICATEThis is to certify that Shri Shyam Sunder Singh has been allotted the Thesis topic “PROPOSEDCONSTRUCTION OF CRICKET STADIUM FOR EASTERN RAILWAY AT BEHALA, KOLKATA,W.B.” for the fulfillment for the Tenth Semester of Bachelor of Architecture course of APEEJAY Schoolof Architecture & Planning India is a record of his own work.This is further certified that he has completed this project work in one semester under my guidance andsupervision.THESIS GUIDE: SUBMITTED BY:Prof. M.N. Khullar Shyam Sunder Singh B.Arch-10th Semester Roll No. 0608881041This Thesis Project Report has been acceptedExternal Examiner – 1 -----------------External Examiner – 2 -----------------Prof. Deval RajwanshiHead Department of ArchitectureA.I.T.SCHOOL OF ARCHITECTURE & PLANNING 3
  5. 5. ACKNOWLEDGEMENT …………………………………………………………………….Before I begin I would like to express my gratitude for all those who, knowingly or unknowingly, directly orindirectly helped in this report. The researchers must acknowledge the role of God in their lives, as without hisperennial guidance and protection, the task at hand would not have been complete. Any academic assignmentor venture cannot be accomplished without the able guidance of the teachers. I am extremely happy to mentionmy special thanks to Prof. M.N.Khullar, my guide without whom this project work would not be realized. andour Training team for their meaningful guidance encouragement and supervision.My sincere gratefulness to all the participants in my research – the parents who opened up their homes andlives to my numerous questions and curious observations, without their physical or moral support this reportwould not have been a success story. I would like to thank all friends, seniors………Nirbhay shukla ,Shashank Misra , Bhupender Sharma , Vishal Narayan , Balbir Sharma , Vikas , Abdulla , Rajiv & countlesspeoples for the sprit and commitment with which they helped with me on this report.Concentration, dedication, hard work and application are essential but not the only factors to achieve thedesired goals. These must be supplemented by guidance and assistance of people to make it a success.Many people have given their experience, ideas and invaluable time to enable me to Complete this projectreport. The coaches who tolerated my ignorance and lack of cricketing ability, the administrators of thecricketing scene, and the children with whom I played cricket.With and who were all constant sources of joy and delight.I am really thankful to these persons for making my project so live and understandable to me and making meaware of many things which would help me in my future. I am Highly indebted to these persons and mysincere thanks goes to them only.I would also like to thank all the managers of the various Departments that I visited for helping me gain therequired knowledge and giving me time from their busy schedules.In the end I would like to thank APEEJAY School of Architecture & Planning , for Providing me with theopportunity to work on This Project. Shyam Sunder Singh 5
  6. 6. INTRODUCTION…………………………………………………………………………………………………The project presented here is a Cricket Stadium located on the campus of Eastern Railway in Behala, Kolkata ,W.B. holding the capacity of 25000 spectators.This stadium is a vehicle for exploring and expressing my ideas about the role of structure in architecture, andabout an architect’s realm of control in a building project. The typology of a stadium allows for a limitednumber of functional requirements while, at the same time, allowing for, if not demanding, a creative structuralsolution.A stadium is first and foremost the staging ground for spectacles for masses of people. However, this utilitarianperspective is limited and it belies the bigger implications of a stadium’s effects on the individual visitor andon the community it serves. The influence of a stadium is tremendous in its immediate surroundings, and, insome cases, can be felt around the world. 6
  7. 7. AIMPlan and Design a Cricket Stadium ofInternational Standard for the people of KOLKATA 7
  10. 10. GLIMPSE OF PROJECT……………………………………………………………………Railway minister Mamata Banerjee will lay the foundation stone of a STADIUM AT BEHALA on Thursday.SATYAJIT RAY STADIUM, as it will be called, will be the second such sporting venue in the city afterNetaji Indoor Stadium."The stadium will come up on James Long Sarani, to the Eastern Railways cricket ground. The stadium willhave a following enlisted requirements below. It will accommodate nearly 25,000 spectators and is expected tocost around Rs 157 crore to build," said a senior official."The stadium will provide a venue to sportspersons from Kolkata and the surroundings.As far as financial viability is concerned, the project will be aided by the Eastern Railway and will be gettingrevenues from national/ international sports meets, tournaments and concerts.Special efforts are required for the components of the project like Media lounge, Broadcasting facility, V.I.P.seats, Dressing Room, Commentary box, water supply, Flood lighting etc. 10
  11. 11. AIMS & OBJECTIVES 11
  12. 12. AIMS & OBJECTIVES…………………………………………………………………………………  To promote and enhance prospects of sports.  To provide for all citizens a variety of enjoyable leisure opportunities those are accessible safe, physically attractive and uncrowned.  To cater national and international meet.  To train young people in various disciplines of sports.  To add up such ancillary facilities so as to earn more and more revenue therefore making sports complex more financially feasible.  To enhance a sense of national cohesion and common interest, this would act as a major building, force in society as a whole.  To access the requirement of sports complex in the light of regional potentials and aspirations of the people. 12
  15. 15. 35 CHANGING ROOM 4 20 80 SQM.36 DOCTOR ROOM 1 200 200 SQM.37 MASSAGE 2 50 100 SQM.38 DOPE TEST ROOM 1 50 50 SQM.39 COACH 4 50 200 SQM.40 OFFICIAL AREA 1 750 750 SQM.41 UMPIRES ROOM 1 100 100 SQM.42 3RD UMPIRE ROOM 1 50 50 SQM.43 MATCH REFREE 1 75 75 SQM.44 OTHER OFFICIALS 1 400 400 SQM.45 SERVICE ROOM 2 350 700 SQM. ADMINISTRATION ROOM46 0.1 25000 2500 2500 SQM. @ 0.1SQM. PER VISITOR CLOAK ROOM @ 0.05-47 0.05 25000 1250 1250 SQM. 0.1SQM. PER VISITOR48 TOILETS REQUIRED NO. OF49 TOILETS @ 0.1 PER 0.1 25000 2500 2500 SQM. VISITOR TOILETS FOR WOMEN @50 0.4 2500 1000 1000 NOS. 40% TOILETS FOR MEN @51 0.2 2500 500 500 NOS. 20% URINALS FOR MEN @52 0.4 2500 1000 1000 NOS. 40% TOTAL AREA 27470 SQM. 15
  16. 16. BRIEF OF SITE 16
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  18. 18. SITE ANALYSIS………………………………………………………………………. ……………….Orientation, direction and angle  How does the sun move across the site?of slope  No neighboring buildings overshadow the site?  The site slope represent any design challenges? E.g. structurally and/or maintenance of views from adjoining buildings.  From main roads there be long range views to Stadia building?Trees and other significant  No light on this site is affected by any significant tree orvegetation topographical feature on sites?  There are plenty of trees & significant vegetation on site (including shrubs, grasses etc).  Yes we include these assets as features of the development?Buildings  Indicate existing buildings on your site.  Some part of them are retaining and incorporating in the development?Access points  There are three potential accesses to this site?  There is also access for neighbors in their site?  Site has plenty of space for street and on-site parking conditions?  We have incorporated pedestrian ways that need to be taken into account?Drainage and services  Note the location of services, including street poles, pits, garbage storage sheds and landscaping.  There is plenty of space to retain natural drainage within the site?Boundaries and easements  Boundaries and easements are marked on site?  Yes the development will be done within the lease boundaries with setbacks?The location and use of  Height of the surrounding buildings compared to this stadia aresurrounding buildings comparatively shorter excluding one M.P.Birla Public School closer to this site.The difference in levels between  We should use the slope to provide aspect or views for this site,the site and surrounding  Slope means limiting height to close neighbours and to provideproperties different building services .Balconies, decks and habitable  These private areas, for example, habitable room windows androom windows for nearby balconies/decks are designed as per requirement completing theproperties functional requirement and incorporated as per the design & orientation of the building .Major and significant  Around the site it is densely surrounded by trees ,vegetation on surroundingpropertiesThe built form, scale and  Site is located in Densely populated low income group peoplescharacter or surrounding society which is unplanned gives a character of village & inand nearby development terms of height, bulk, setback, building detailing or vegetation character that can help influence or guide my design response? 18
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  28. 28. DESIGN CONCEPTS 28
  29. 29. DATA COLLECTION………………………………………………………………………. ………… CLIMATE RESPONSEKolkata has a subtropical climate. The annual mean temperature is 26.8 °C ; monthly mean temperatures rangefrom 19 °C to 30 °C. Summers are hot and humid and maximum temperatures often exceed 40 °C during Mayand June. Winter tends to last for only about two - and - a half months, with seasonal lows dipping to 12 °C –14 °C between December and January. The highest recorded temperature is 43 °C and the lowest is 5 °C. Oftenduring early summer, dusty squalls followed by spells of thunderstorm and heavy rains lash the city, bringingrelief from the humid heat. These thunderstorms are locally known as Kal baisakhi (Norwesters).The southeast monsoon rains lash the city between June and September and supplies the city with most of itsannual rainfall of 1,582 mm. The highest rainfall occurs during the monsoon in August (306 mm). The cityreceives 2,528 hours of sunshine per annum, with the maximum sunlight occurring in March. 29
  30. 30. VERNACULAR ARCHITECTURE OF KOLKATAKolkata has many buildings adorned with Gothic, Baroque, Roman, Oriental and Indo-Islamic (includingMughal) motifs. The "City of Palaces", as Kolkata is often called, is dotted with colonial buildings. Some ofthe major buildings of this period are well maintained and several buildings have been declared "heritagestructures", while others are in various stages of decay. Established in 1814, the Indian Museum is the oldestmuseum in Asia and houses vast collection of Indian natural history and Indian art. The Victoria Memorial,one of the major tourist attractions in Kolkata, has a museum documenting the citys history. The NationalLibrary of India is Indias leading public library. The Academy of Fine Arts and other art galleries hold regularart exhibitions. 30
  32. 32. PLAYING AREA………………………………………………………………………. ICC STANDARD DIMENSIONSThe ICC Standard Playing Conditions define the minimum and maximum size of the playing surface. Law 19.1of ICC Test Match Playing Conditions states:"The playing area shall be a minimum of 150 yards (137.16 metres) from boundary to boundary square of thepitch, with the shorter of the two square boundaries being a minimum 65 yards (59.43 metres). The straightboundary at both ends of the pitch shall be a minimum of 70 yards (64.00 metres). Distances shall be measuredfrom the centre of the pitch to be used. In all cases the aim shall be to provide the largest playing area, subjectto no boundary exceeding 90 yards (82.29 meters) from the centre of the pitch to be used. Any ground whichhas been approved to host international cricket prior to 1st October 2007 or which is currently underconstruction as of this date which is unable to conform to these new minimum dimensions shall be exempt. Insuch cases the regulations in force immediately prior to the adoption of these regulations shall apply." addition, the conditions require a minimum 3 yard gap between the "rope" and the surrounding fencing oradvertising boards. This is to allow the players to dive without hurting themselves.The conditions contain a grandfather clause, which exempts stadiums built before October 2007. However,most stadiums which regularly host international games easily meet the minimum dimensions.It is worth noting that based on these guidelines, a cricket field must have at least 16,000 square yards((150+3+3)/2*(70+70+3+3-22/2)/2*pi) of grass area. A more realistic test-match stadium would have morethan 20,000 square yards of grass (having a straight boundary of about 80m) [1]. In contrast an associationfootball field needs only about 9,000 square yards of grass, making it impossible to play international cricketmatches unless the stadium was specifically built for cricket [2]. This is one of the reasons cricket gamesgenerally cannot be hosted outside the traditional cricket playing countries, and a few non-test nations likeCanada, the UAE, and Kenya that have built test-match standard stadiums. 32
  33. 33. PLAYING AREA………………………………………………………………………. 33
  34. 34. A CRICKET FIELD CAN BE DIVIDED INTO THREE PARTS – INFIELD, CLOSE-INFIELD, ANDOUTFIELD.INFIELD - The infield is made by drawing an arc of 30 yards radius from the center to each wicket withrespect to the breadth of the pitch. The two arcs are then joined by parallel lines which are at a distance of 30yards from the center of the pitch with respect to the length of the pitch.CLOSE-INFIELD – The close-infield is defined by drawing a circle of radius 15 yards from the center ofeach wicket.OUTFIELD- The part of the ground which is on the outer side of the infield is termed as the outfield.SIZE OF STUMPSThe tops of the stumps shall be 28 in/71.1cm above the playing surface and shall be dome shaped except forthe bail grooves. The portion of a stump above the playing surface shall becylindrical, apart from the domed top, with circular section of diameter not less than 13⁄8 in/3.49cm nor morethan 11⁄2 in/3.81cm.THE BAILS(a) The bails, when in position on the top of the stumps,(i) shall not project more than 1⁄2 in/1.27cm above them.(ii) shall fit between the stumps without forcing them out of the vertical. 34
  35. 35. GROUND MEASUREMENT YARD FEET INCH METER CM MM 1 3 36 0.91 91.44 9144.0PITCH DETAILS 22 66 792 20.12 2011.68 201168.0 3.33 10 120 3.05 304.8 30480.0 MEASUREMENT FROM CENTER OF INNER CIRCLE OF PITCH IN-FIELD 30.00 90 1080 27.43 2743.2 274320.0OUT-FIELD MIN. 60.00 180 2160 54.86 5486.4 548640.0OUT-FIELD MAX. 90.00 270 3240 82.30 8229.6 822960.0 STUMPS LENGTH 0.776 2.329 27.953 0.710 71.000 7100.000 DIA. OF STUMP 0.038 0.115 1.374 0.035 3.490 349.000 (3.49 - 3.81 CM) 0.042 0.125 1.500 0.038 3.810 381.000CRICKET BALL CIRCUM. ( 22.4 0.245 0.735 8.819 0.224 22.400 2240.000 - 22.9 ) 0.250 0.751 9.016 0.229 22.900 2290.000 CRICKET BALL DIA 0.078 0.234 2.809 0.071 7.134 713.376 0.080 0.239 2.871 0.073 7.293 729.299 CREASE BATTING CREASE 1.334 4.003 48.031 1.220 122.0 12200.0 BOWLING BORDER 2.887 8.661 103.937 2.640 264.0 26400.0 LINE & LENGTH FAST BOWLERS 0.00 0 0 0.00 0 0.0 FULLER LENGTH 4.00 12 144 3.66 365.76 36576.0 4.00 12 144 3.66 365.76 36576.0 GOOD LENGTH 8.00 24 288 7.32 731.52 73152.0 8.00 24 288 7.32 731.52 73152.0 SHORT LENGTH 11.00 33 396 10.06 1005.84 100584.0 SPIN BOWLERS 0.00 0 0 0.00 0 0.0 FULLER LENGTH 2.00 6 72 1.83 182.88 18288.0 2.00 6 72 1.83 182.88 18288.0 GOOD LENGTH 6.00 18 216 5.49 548.64 54864.0 35
  36. 36. 6.00 18 216 5.49 548.64 54864.0 SHORT LENGTH 13.00 39 468 11.89 1188.72 118872.0PLAYERS POSITIONS…………………………………………………………… 36
  37. 37. GEOMETRICAL FORM OF GROUND……………………………………………A cricket ground is an elliptical stretch of grass where the game of cricket is officially played. Though there isno fixed shape of a cricket ground, deviating too much from a low-eccentricity ellipse is largely discouraged.The size too varies from 90 to 150 meters (100-160 yards) across. In recent times, the grounds are gettingsmaller by the day in order to propagate high-scoring matches. On most of the cricket grounds there is a ropethat demarcates the perimeter of the field. This is known as the boundary. BOUNDARYA boundary defines the limits of the playing area and it is marked by a line, a fence or a rope. If a player or anyother foreign object disturbs a part of the boundary during play, then the boundary is considered to be at thesame position as it was before the disturbance.References can be made to different sections of the boundary in terms of nearest fielding positions - forinstance third-man boundary or mid-wicket boundary.A ball in play, when touches or crosses the boundary without a bounce, gives six runs to the batsman. Whenthe ball touches or crosses the boundary with one or more than one bounce, it gives four runs to the batsman. Ifa fielder touches the boundary while he is still in contact with the ball, the batsman is awarded four or six runsaccordingly. 37
  38. 38. PITCHA turf pitch is 20.12m long and 3.05m wide. A non-turf pitch is a minimum length of 17.68m and a minimumof 1.83m wide. A pitch is bounded at either end by the bowling creases and a set of wickets in the centre of thebowling crease.A pitch is generally made up of two kinds of surfaces. The surface generally used is a natural surface with agrass cover. The grass is usually cut extremely short so that the surface becomes flat.At times, artificial turf is also used for the preparation of the pitch. This can be a slab of concrete overlaid witha coir-mat. Artificial pitches are mostly used in exhibition matches. 38
  39. 39. CRICKET PITCHES IN INDIAN SUB- CONTINENTTraditionally Indian subcontinent cricket pitches are dry, slow and flat natured. Most of the cricket pitches insubcontinent are not fast, bouncy, skiddy and grassy.The reason why these pitches are slow is simple. Because of high temperatures, hot humid climatic conditions the soilbecomes dry, loses most of its moisture and not only losing its moisture after that scenario as the temperature goes onincreasing the pitch (soil) starts sweating and loses completely whatever the remaining juice is present in it.At the end of the day it becomes a dead pitch.SWING OF THE BALL * Generally swing of the ball doesn’t depend on type of pitches like whether it may be slow or fast or any kind ofpitch. Swing of the ball always depends on shiny part of the ball, speed of the wind, and presence of moisture in thepitch. * As long as shine is there and moisture in the pitch the ball goes on swinging. * The swing of the ball doesn’t depend on type of pitches like slow or fast because the swing of the ball actuallyhappens in the air before or after hitting the pitch but not when the ball actually hits the pitch. * Generally the cricket pitches in England are mostly favourable for swing than any part of this world. * The swing of the ball in England generally sustains for longer period. Because of cold climatic conditions themoisture in the pitch and air stays for longer period and also there will be presence of breeze regularly there by the balldoesn’t become rough very easily in those conditions, resulting in the swing of the ball happens more and continuousfor longer period. 39
  40. 40. CONSTRUCTION OF PITCHESIt consists of1. Compacted Bed 2. Base (compacted Gravel and Sand)3. Layer of clayey loam and 4. Top Soil Ball Bounce Pitch Pace Over 19 inch Very Fast 15-18 inch Fast Medium 12-15 inch Pace 10-12 inch Easy Paced Less than 10 inch Slow 40
  41. 41. ROOF OF STADIA…………………………………………………………………..It is elliptical in shape. The roof is made of metal tubes and aluminum sheetsInnovative roof: Innovative roofs have been designed for the stands both to maximize shading and provide amemorable and identifiable signature for the complex. The roofs are designed to be made of tensile fabric.DEGREE OF ENCLOSUREOpen or partially covered stands are still common in less wealthy regions such as Central and SouthAmerica and Africa, and are found even in countries with relatively robust climates such as Canada andRussia. But spectators are increasingly demanding some form of protective cover and in colder climates(especially northern Europe, North America and Japan) where sporting events take place in winter roofsare becoming a standard requirement. The trend towards enclosure has gone furthest in the USA andJapan, where most new stadia are entirely covered. Designers should note that this deci sion, as pointedout in Section 4.3.2, has a dramatic effect on the playing surface. 41
  42. 42. SHADING FROM THE SUNFor afternoon matches, which are the majority, the main stand should face east with a minimum ofspectators having to look into the sun from a west-facing stand.In all cases the efficacy of a roof in shading its occupants from the sun, and the exten t of shadow it castsupon the pitch at different times of the day and year, must be studied by computer modeling. Suchmodeling should proceed in parallel with wind tunnel testing, especially if the playing surface is to benatural grass, because `it is now generally accepted that a combination of shading from sunlight andreduced airflow at pitch level has an adverse effect on the durability and quality of grass, to quoteBritains Football Stadia Advisory Design Council. SHELTER FROM WIND AND RAINAs far as plan shape is concerned, designers should note Rudolf Bergermanns advice that continuousroofs arranged in a circle or ellipse, as opposed to separate roofs with gaps between, normally have acalming effect on the air inside the stadium. This creates more comfortable conditions for spectators andperformers - experience at the Don Valley Stadium in the place and constructing above it a new platformsupported on remote-controlled hydraulic legs. In the UK, Odsal Stadium in Bradford has used a simplesystem of restoring the corners of a football pitch which had been cut off by a speedway track aroundthe pitch: grass was grown on wooden pallets with a reinforced plastic mesh sub -base, and these weremoved away to storage by forklift truck before speedway events. Further notes on this topic are providedin Section. 42
  43. 43. DRAINAGEPITCH DRAINAGE: The drainage for the ground has been designed such that the entire ground gets driedwithin 15 minutes even after very heavy rainfall. A dense network of lateral pipes of 110mm dia collects thewater penetrating the turf and drains to main pipes of 160mm dia which finally drains off to the innerperipheral drain.Adequate drainage is a necessity, and the above methods may need to be supplemented to avoid standingpools of surface water after heavy rainfall and to minimize expensive down-time in wet weather. Thereare basically two methods of drainage - passive and active.The passive approach relies on gravity to drain away the water, and one method of enhancing the basicsystem described above would be the cutting of deep `slit drains into the subsoil by specialist machine,and filling these with sand or fine gravel to help surface water flow down quickly into the land drains.This is quite expensive and needs to be carefully coasted before a decision is taken.The active approach uses pumps, usually activated by water-sensing electronic devices in the field, toliterally suck the water off the pitch and into underground storage chambers, thus clearing t he surface veryquickly and maximizing the availability of the pitch for revenue-generating activity. Special drainagepipes may be laid for this purpose, or alternatively cellular technology may use the same undergroundnetwork of pipes both for irrigation and drainage simply by reversing the direction of flow by computercontrol. IRRIGATIONTraditionally grass pitches have been watered by sprinklers, usually of the pop-up kind, but these arebeing challenged by underground water delivery systems. Using special porous low-pressure water supplypipes (or possibly the underground drainage system with the direction of flow reversed by computercontrol as suggested above) which allow a uniform `weep rate along the whole length of the pipe, a steadysupply of water - possibly mixed with fertilizer and weed-control additives - seeps directly to the grassroot zone. The advantages that are claimed for sub-surface irrigation include: .UNDERGROUND IRRIGATION PIPES ARE NORMALLY LAID BETWEEN 150 MM AND 350 MM BELOW THESURFACE, SPACED FROM 450 MM TO 900 MM APART; BUT SPECIALIST ADVICE MUST BE SOUGHT. 43
  44. 44. STRUCTURAL STEEL WORKS:The structural steel works at this project is again a challenging one. The elements used are very different andheavy from regular structures, making them difficult for fabrication and erection. The total scope for StructuralSteel work is around 5000 MT and it contributes to more than one-fifth of the total project cost. The stadium isdesigned in such a manner that structural steel gives excellent aesthetic appearance to the stadium. Thecruciform columns are a special feature in the structural steel work. 44
  45. 45. LIGHTINGIt is essential to have good quality lighting so that the players can follow the movement of the ball travelling athigh speeds, either struck by the batsman or bowled by the bowler. The illuminance must be uniformthroughout the hall, with the background walls behind both batsman and bowler providing a good viewingcontrast. Safety is paramount and the lighting system must taken into account the propulsion of balls at speed.The recommended minimum lighting level for an indoor cricket sports centre is between 1000 and1500 lux.These requirements are generally met by a system of horizontal, fluorescent luminaires, fitted with reflectorsand mounted at right angles to the pitch. The reflectors must screen both batsman and bowler from direct viewof this light source.The International Standard for lighting cricket grounds is as follows:  non-televised training ─ 250 lux  non-televised match ─ 500 to 700 lux  televised match ─ 1400 lux 45
  46. 46. S.W.O.T ANALYSISSTRENGTHS OF THE BEHALA STADIUM INCLUDE ITS: 1. Pristine serenity, suitable for training 2. Beautiful environs, 3. Lush vegetation and environmentally friendly environs 4. General good climate, weather and cool, maritime sea-breezes 5. Close proximity to accommodation (hotels, inns etc.) and attractions such as golf course , 6. Victoria memorial , tagore house etc 7. Home to International Sports figures led by the impressive BEST INDIAN CRICKET CAPTAIN SOURAV GANGULY 8. Located 15-20 minutes away from the EDEN GARDEN CRICKET STADIUM. 9.WEAKNESSES OF THE STADIUM : As discussed in the preamble above, the weaknesses of the stadium include the following: 1. The position of the cricket pitch from west to east 2. The lack of lighting to facilitate late evening games 3. Lack of marketing for the facilities 4. Inadequate sporting facilities as currently, cricket is its only focus 46
  47. 47. CAMERA POSITION 47
  48. 48. CRICKET PRACTICE NETSCricket nets are practice nets used by batsmen and bowlers to warm up and/or improve their cricketingtechnique. They consist of a 2m x 10m concrete pitch with synthetic grass surrounded along its lengths andbehind the batsman by netting. The bowling end is left open. Nets are found at most reserves where cricket isplayed. Double and portable cricket wickets are also popular.The practice nets are 7.5m high, 7.32m long and 3.66m wide. The frame is made from galvanised steel tubingwith 34mm outside diameter and 2.6mm wall thickness concreted into the ground. The netting is 50mm mesh.Static Net Kits: Standard Model (with full roof net) 33.7mm OD tube steelwork, fully galvanized Galvanized fittings and ground sockets Each bay 3.65m (12ft) wide 2.5mm knotless netting supplied for all sides, back and 7.32m (8yds) roof Extra roof netting can be supplied at an extra cost Height above ground 10ft or 12ftMobile Net Cages: Superior Model (heavy duty)  All kits include steelwork, fixings, wheels, side netting and roof netting  Netting supplied in black knottless high tenacity polypropylene  Main framework manufactured from 40mm heavy duty box section, fully galvanized  All bays 3.65m (12ft) wide  Height above ground 3m (9’10")  High quality wheels  Easily manoeuvred 48
  49. 49. SIGHT SCREENA sightscreen is used in cricket so that when the bowler delivers the ball, the batsman can see it clearly againstthe background. It also prevents any major distractions from occurring in that direction as the batsman isfocusing on the ball. In VIT stadium, a white sightscreen is used since the ball used is red. Can you explain asimilar technique used in microbiology and its various types?  Available in a range of sizes  33.7mm tubular framework  Heavy 80mm box section base framework  All framework galvanized for maximum protection  High quality pneumatic wheels  PVC Mesh screen  Easy to maintainAnti vandalism screen  Covered in high quality steel cladding material, coated in white plastisol  Screen material "louvred" to assist wind flow through the screen  Heavy duty 80mm box section all round  Possibly the most substantial framework available  Low maintenance 49
  50. 50.  Easy to move  Wide wheelbase for stability  Fully galvanized framework  High quality pneumatic wheels Rolling WeightsLight Roller: up to 254kg (5cwt)Medium Roller: up to 508kg (10cwt)Heavy Roller: 1014kg (1 ton) or moreThe pitch should be rolled in all directions, but with the emphasis on cross rolling in the early stages, butfinish on the line of the pitches. The aim is to consolidate the square to a depth of 100mm (4 inches) beforethe commencement of the season. Light scarification may be necessary in the early spring, but this shouldonly be done in moderation with great care being taken not to destroy grasses sown in the previous autumn.Heavy mechanised scarification/verticutting that would cut into the surface may well lead to cracking ofpitches later in the season, however a scarifying unit with brush attachment is recommended. 50
  51. 51. STADIUM DESIGN ELEMENTSCricket 2 Ground Maintenance & Pitch Preparationd Maintenance & Pitch Pr& Pitch Preparation 51
  52. 52. Concourses, stairs and rampsGeometryAs with seating tiers this is covered in detail in later sections and we wish here only to give the designer a pictureof the key influences on overall stadium form and structure. • The pattern of concourses, stairs and ramps must allow for the smooth inflow of specta tors, without people losing their way or getting confused, as outlined in Section 13.5; and a similarly smooth outflow after the end of the match, as outlined in Section 13.6.1. • Most critically, the layout must allow for fast, safe emptying of the stadium in panic condi tions; see Section 13.6.3. • Planning must also facilitate easy access to toilets as discussed in Chapter 11 and catering facilities as discussed in Chapter 10. As a general rule no seat should be more than 60 m from a toilet, preferably on the same level. • The circulation routes will probably be planned in a way that subdivides the total seating capacity of the stadium into sectors of about 2500 or 3000 spectators each, to allow for easier crowd control and a more even distribution of toilets, bars and restaurants; see Section 13.2:2. • In each individual seating area the circulation routes will consist of vomitories fed by lateral gangways (running parallel with the side of the pitch), and radial gangways (which will be stepped). A pattern of few vomitories served by long gangways usually leaves less space for seats, while a larger number of vomitories fed by shorter gangways gives better space usage, and easier egress in panic conditions. A balanced solution should be aimed for.Surface finishesStadia likely to be patronized by well-behaved crowds who will not abuse the building can be finished in thesame way as any other public building, and no special notes are needed here. This is the trend in recent UK andNorth American stadia, which may have polished marble concourse floors, toilets finished to hotel standard, andluxuriously appointed social areas to attract patrons.In Britain a recent example of a stadium finished durably but elegantly is Richard Hordens 5000 -capacityQueens Stand at Epsom Downs racecourse, Surrey. This building, opened in 1992, is not so much a stand as aprivate box viewing area and therefore exceptional - but it shows what can be achieved. Another example in theUK is the new North Stand at Arsenal Football Club, north London, completed in 1993. All seats are padded andwith arms; and circulation, toilets and amenity features are finished to cinema standard.But where crowds have a record of being boisterous and ill-behaved, and where large parts of the building areexposed to wind and weather, finishes must be tough enough to stand up to intense wear and tear, regularabrasive cleaning, and the effects of sun, rain and temperature change.Concrete surfaces are widely used and relatively inexpensive, can be very durable if treated with additives andsealants, but are associated with precisely the image that the modern customer -winning stadium would like to 52
  53. 53. avoid - of a rough, mean place where one would prefer not to linger. They are also less easy to keep clean thansmoother surfaces, and this adds to their negative image. More positively, the colour and stain additives as usedat places such as Euro Disney are likely to become popular in the future.Natural concrete block surfaces with antigraffiti coatings are serviceable; but for the public they have the sameutilitarian image as unfinished concrete.Natural brick walls promote a better image than concrete, and can be treated with antigraffiti coatings.Wall and floor tiles or mosaics in ceramics and terracotta are expensive initially but are hardwearing and, ifproperly used, pleasing in feel and appearance.Coated steel claddings have improved greatly in recent years and are now very durable. They are easilycleanable, the choice of colour and pattern is wide, and this cladding type offers the possibility of handsome yeteminently practical concourse wall-surfaces.Studded rubber floor tiles and sheeting are available in improved forms and although relatively expensiveinitially they are hard-wearing and available in attractive colours. They have been successfully used in theconcourse areas of Wembley Stadium in London.DETAILSIn all cases correct detailing is as important as correct choice of materials: • Careful positioning of doors and openings reduces confusion and aids circulation. • The use of rails along walls can protect the wall face from abuse by keeping people at a safe distance. • Balustrades set back from the edges of landings and concourses help reduce the danger of objects being accidentally dropped on people below. Similarly, floor edges in these positions should be upturned to prevent objects rolling over the edge. • Upper surfaces of rails and balustrades should be sloping to make it difficult for fans to stand on them. s Corners can be protected from damage by catering trolleys and other service vehicles by fixing metal guards, or by having rounded profiles. • High ceilings help to create an open, airy atmosphere and are beyond reach of deliberate damage. • Toilets should have surfaces and edge details, etc. which allow the complete washing down of walls and floors.  All dangerous projections and sharp edges should be avoided. 53
  54. 54. InstallationPlanting and maintaining a grass pitch is a task for specialists. All the advice given below is for generalbackground understanding only: a specialist consultant should be retained from the outset to give advice, draw upa detailed specification, invite tenders and supervise the work.shows the elements of a typical grass-turfed surface, and should be studied in conjunction with the followingnotes. Figure 5.1 Elements of a typical natural grass playingsurface.For bowling greens and croquet the upper grass surface must be smooth, true and absolutely level, necessitatingvery good subsoil drainage arrangements. For other sports the grass surface can be less exacting but should besmooth and free from surface unevenness, and possibly laid to a slight fall for water disposal. Maximumpermissible gradients must be checked before design with the relevant govern ing bodies, because such rules areconstantly being upgraded, and the main fall should ideally be from the centre to both sides of the p itch and notin the direction of play.The species of turf grass must be carefully chosen for the correct playing characteristics, resistance to wear anddisease, and suitability for its particular climatic and physical environment and the season of play. An appropriatecultivar or mix of cultivars will be specified by the consultant and supplied by specialist growers. `Fescues and`bents are commonly chosen species. As an instance, the famous grass surface of Wimbledon Centre Court isrenown every year with 66 per cent Troubadour perennial rye grass, 17 per cent Bingo chewing fescue, and 17per cent Regent creeping red fescue. This is the best mix for the specific soil, drainage and other conditions foundat Wimbledon, but other situations will demand other specifications.Immediately beneath the grass surface is a layer of topsoil, often consisting largely of sand, with a depth of notless than 100 mm and usually averaging about 150 mm. This layer must contain no stones or injurious material,must be permeable enough for water drainage, and must be uncontaminated and well -fertilized for healthygrowth. Using some local suitable seeming soil will not be good enough: the material will almost certainly beobtained from specialist suppliers to the precise specification of the consultant, and will probably contain a largequantity of graded sand. 54
  55. 55. Beneath the topsoil is a blinding layer of fine material (ash, crushed stone or the like) to fill the voids in thesurface below and provide a smooth base for the topsoil.Beneath the blinding layer is a zone of graded stone to ensure that all excess water can drain away freely to pipeslaid in trenches below. There may be sheets of tough water -permeable membrane laid between the foundationlayer and the formation surface to prevent soil from being forced up into the foundation layer and obstructing thefree flow of water. This decision, the depth of the graded stone layer, and the layout and fall of the drains willdepend on subsoil conditions and will all be decided by a specialist.HeatingMany major stadia in cold climates use some form of under-pitch heating, the most common type being based on asystem of hot water pipes operated by gas boilers and thermostatic sensor controls. The most important aspect ofthis type of installation is the laying of the pipes, which must be high enough to heat the pitch but low enough notbe damaged by pitch aeration and other surface works. A free-draining pitch is essential if heating is to beconsidered.MaintenanceDay-to-day maintenance operations are discussed in SectionSynthetic grass surfacesIn completely enclosed stadia artificial turf will almost certainly be chosen in preference to natural grass for thereasons given in Section above.For other situations, while synthetic grasses have great virtues and will undoubtedly become more widely used,specifies must not see them as a magically everlasting, maintenance-free answer to all problems. Capital outlay ishigh (which means such pitches need to be fairly intensively used to justify the initial cost): the surface is noteverlasting, six to eight years being a typical life expectancy; the surfaces may need to be watered before play tokeep dust down and keep them cool in summer; sand-filled turfs need periodic re-sanding; markings needreplacement two to four times a year; and regular cleaning and repair are essential. But having made these cautionaryremarks it must be said that synthetic turfs have very great advantages in terms of their ability to endure intensive use invirtually all weathers. There are three basic categories of permanent surfacing.Non-filled turfThis is made of nylon, polyester or polypropylene, is available in water-permeable or impermeable types, and comes inthe form of a turf-carpet with an underlying shock-absorbing layer of foam, the latter available in various densities andthicknesses. The turf and the under layer may be supplied already bonded, or they may be supplied separately andbonded together on site. Turf and under layer are laid by specialists on a smooth asphalt substrate which in turn rests on abase of broken stone, sand, and gravel designed to suit the particular situation. Various pile-types and pile-lengths(typically 10 to 13 mm) are available to suit individual sports and conditions.In the past it was said that artificial turf caused more skin-burn than natural grass in sports such as rugby, butmanufacturers claim that this need no longer be true. On this, as on choice of turf, design of substrate, and generalinstallation, up to-date specialist advice must be sought.Filled turfThis is a variant of the previous type, consisting in most cases of polypropylene with an upright pile that is longer andmore open than the no filled type, backfilled with sand up to 2 or 3 mm from the surface. As described here it has 55
  56. 56. become a very popular surface for club tennis courts because the playing characteristics are not dissimilar to naturalgrass, but the court remains usable throughout the year including winter. The finish takes two to three months to settle in,and needs brushing two or three times a week plus regular top-dressing to maintain its condition. This type of artificialturf is specifically suited to outdoor use and usually carries a 5-year guarantee, though the life may well be longer.Sand-filled turf has had a reputation of causing injuries when players fall, but this is probably no longer the case: if indoubt the advice of the relevant sports governing bodiesshould be sought. Occasional watering after a prolonged period of dry weather will help reduce the risk of friction burn.Combined natural and synthetic turfNatural and artificial surfaces have begun to merge, and systems are now available in which plastics are used to reinforcethe root structure of grass - for instance in the form of a plastic webbing through which the natural grass grows. By thismeans the user-friendliness of a natural grass surface is combined with the superior durability of artificial turf, hopefullygiving stadium managers the best of both worlds.As practical experience of these combined systems increases and the technicalities are perfected they may well becomethe compromise of the future, offering a cost-effective, multi-use natural playing surface. In that case sporting authoritieswill soon have to face some interesting decisions as to whether these systems are to be classified as `natural or`artificial.Temporary synthetic turf surfacesIt is possible for a synthetic turf carpet to be kept in a store near the pitch, and then rolled out over the pitch for eventsneeding that kind of surface. The carpet can simply be rolled out manually, or, in some systems, air jets are used to floatthe carpet over the pitch with a minimum of weight, drag and friction. In this case six men can carry out the operation inthree hours or less, allowing for a quick change of events.Synthetic hard surfacesSynthetic surfaces are expensive to lay but offer the possibility of all-weather high-intensity use and much reducedmaintenance. They have therefore become very popular for athletics tracks. There are two categories.Impervious finishesThese may take the form of a wet-poured layer of continuous sheeting (either permanent or temporary), or of a tiledfinish laid on a substrate of bituminous macadam, concrete or both. In the case of athletics tracks, gradients for waterrun-off must be less than 1:100 and thedirection of fall must be towards the inside lane, with a drainage channel to dispose of the water. The thickness ofthe finish must be related to the length of the spikes on athletes footwear, or else punctures will allow water topenetrate to the substrate, causing problems.Porous finishesThese finishes are of the same types as above, but stipple-bonded to a porous substrate (porous bituminousmacadam or no-fines concrete) so that water can filter through the surface and drain away. In theory the surfacecan be completely level, but a cross-fall of 1:100 is advisable in case the surface loses permeability as a result ofpollutionMarkings 56
  57. 57. In the case of grass the line markings may consist of a temporary powder containing lime. In the case of hardsurfaces the markings can either be inlaid strips of coloured material (the most expensive in first cost but also themost durable method) or simply be painted on to the surface (and requiring regular repainting).Governing bodies will give guidance on correct line widths and colours, and whether the width of the lineincludes or excludes the playing area - a crucial matter. But as a general guide line widths are mostly 100 mm,and white and yellow the most common colours.Protective coveringsIf the surface cannot be removed and is vulnerable to damage there are protective covers which will preserve itwhen the stadium is used for concerts or other activities which make use of the playing area. Natural grassespecially needs protection, but covers can usually be left down for only about two days before the grass beneathstarts to suffer damage. There are cases where grass pitches have been covered for up to tw o weeks and survived,suffering only discoloration, but a natural grass pitch would not be ready for immediate sporting use after such anexperience.For grass protection, Wembley Stadium in London has in the past used a resilient underlay covered with a s tiffhardwearing rubber layer above, these materials being stored in large rolls outside the stadium and transported tothe ground in special vehicles. More recently Wembley have assisted in the development of a new system whichconsists of translucent tile squares (actually 1 m by 1 m boxes about 50 mm deep) which lock together to providea good even surface for concert usage, but allow the grass below to grow and survive.CirculationBasic principlesCirculation planning in stadium design has two main objects: the comfort and the safety of occupants.comfortPeople should be able to find their way to their (or to toilets or catering facilities, or back to :he exits) easily,without getting lost or confused. In addition. they should be able to be about with pleasure. not being jostled inovercrowded spaces, having to climb excessively -;p stairs. or risk losing their footing as they negotiate the manychanges of level which are navigable in large stadia. •, we give planning guidelines for the circulation routes themselves. •. we augment the above planning principles with detailed design data dimensions, types of equipment and the like.Safetysafety requires maintenance of all the above desirable characteristics in panic conditions - :. when for example,hundreds (perhaps thousands) of spectators are fleeing in fear of a tire, an outbreak of violence in the crowd, orsome --her real or imagined danger. Even better, preventive measures should minimize the risk of such situationsarising in the first place. This should preferably be achieved by skilful design.that people want to go where they have to be n the stadium and are not made to go there.1n the following sections we show how these requirements can be catered for in practical terms ~ First. in Section 13.?, we examine the implications of circulation requirements upon stadium layout as a whole. 57
  58. 58. Stadium layoutCirculation planning has two major influences on the overall stadium layout - zoning the stadium for safe escapefrom tire, and subdividing the stadium for crowd management.ZoningAs already described in Section ?.3 the modern stadium is designed as four concentric zones: • Zone 1 is the playing field and central area of the stadium. • Zone 2 consists of the viewing areas and the internal circulation area, i.e. the seating;/ standing tiers and terraces and their gangways and vomitories. • Zone ? is the external circulation area surrounding the stadium building but within the perimeter fence. • Zone 4 is the area outside the perinteter .fence It will contain the car parks and the bus and coach off-loading areas.The purpose of the zones is to enable spectators to escape in case of emergency - first from Zone ? to either Zone lor Zone 3 (the temporary safety zones), and thence to the permanent safety zone of Zone 4 and the Outside world.Such escape must be possible in specified times, which then determine the distances and widths of the relevantescape routes: see Section 13.E.?.In stadia accommodating more than 15 000 or 20 000 spectators all four of the zones should be present but insmaller stadia. where spectators exit directly to the exterior from the spectator viewing and internal circulationareas. Zones 3 and 4 can be combined. Such small stadia will not justify a perimeter fence, but to compensate forthat they will require particularly diligent stewarding; at the exits.Sub-divisionSubdividing the total ground capacity into smaller units or sectors of about 2500 to 3000 spectators each allows foreasier crowd control and for a more even distribution of toilets, bars and restaurants. Each of these sectors shouldhave its own independent circulation routes as well as its share of ancillary facilities.Separation of different categories of spectator should form part of this division system. For example:• separation of seated and standing areas: and • segregation of fans fr om opposing clubs.The actual division between areas can sometimes be achieved simply by barriers or changes of height. 58
  59. 59. In the case of separating rival fans each sector should be completely independent. This independence may go as faras to require protected routes leading all the way from the nearby transport services to the turnstiles (secured bypolice), and from the turnstiles to the seating areas.Because of the decisive effect of the subdivision pattern on circulation route planning. management must beconsulted at an early stage on how the seating areas in the stadium are to be split up.In single-tier stands the division lines may run from top to bottom, with policed sterile zones separating the twoblocks of *home and away*fans. This pattern has the advantage of flexibility (the sterile zone can easily be shifted from side to side to allowfor a greater or smaller number of fans in a particular area) but the sterile zones represent a loss of revenue. and theproblem of ensuring access to exits, toilets and catering facilities for everyone needs careful planning.In two-tier stands the top-to-bottom division is again a possibility: alternatively one group of fans can be put in theupper tier and the other in the lower tier. If the away fans are in the upper tier there is no risk of pitch invasion, butthere is a real possibility of missiles being hurled on to the home* fans below. and any kind of trouble is difficult todeal with because of the relative inaccessibility of the upper levels. If the away fans are put in the lower tiertrouble is easier to deal with, but there is a risk of pitch invasion, thus calling for large r police numbers or moreintensive stewarding.Access between Zone 4 and Zone 3Ideally. and if space allows, a modern stadium should be surrounded by an outer perimeter wall or fence somedistance from the stadium, separating Zones -3 and s. Such a perimeter barrier should ideally be at least 20 m fromthe stadium, strong enough to withstand crowd pressures, high enough to prevent people climbing over, andcontaining several types of entrance and exit Gates: • public entrances leading to the main seating terraces,• private entrances giving players. concession holders and VIA ticket holders separate access to their particularareas: emergency service access for ambulances, etc.: flood exits for emergency emptying of the grounds.These are now dealt with in turn.Public entrancesIn some stadia, checking of tickets coming into the Grounds is made at this perimeter point: in others it is made atthe stadium entrances between Zones 3 and 2; in yet others by some combination of the two.Circumnavigation between gatesIf control is exercised at the perimeter, and if each entrance gives access only to some parts of the stadium (eitherby physical design, or by subsequent management policy) then circulation routes should be provided in Zone 4,outside the perimeter barrier. People who have come to the wrong entrance gate should be able to circumnavigateto the correct one while still remaining ;n the same Zone. Conversely, if there will be no control on seatingpositions at the perimeter then there is no need for such circulation routes. as spectators may enter the stadium 59
  60. 60. via any turnstile. These matters should be clarified beyond doubt with management at briefing stage if faultydesign is to be avoided.Congregation space outside gatesOutside all perimeter access points in Zone 4 there should be sufficient space provided to allow the congregationof spectators before entering through gates or turnstiles. This congregation space should be sized and posi tionedso as to avoid congestion and allow a free flow of spectators when the gates or turnstiles are opened. See also thenotes on crowd control blarricrs under SectionOther safety measuresIn all cases public entry doors should be used o nly for the purposes of entry, and all public exit doors only for thepurposes of exit. The simultaneous use of any gateway for both entry and exit can create risk. If such two -directional gates are used they must be additional to the exit gates required for emergency outflow as calcu:atedin Section 13.6.? (timed exit analysis).Amenities such as ticket offices, toilets, bars or restaurants should always be located a safe distance away fromthe nearest entrance or exit to allow a congregation of people without risk of a crush.Number of gatesThere are several ways of allowing spectators into the stadium, but most fall into the two broad categories ofgates and turnstiles. Gates are cheap, and an open gate can allow approximately 2000 spectators to pass throughper hour whereas turnstiles are expensive and will only pass through 500 to 750 spectators per hour. Detaileddesign notes are given in SectionLocation of gatesThe location of entrance gates in the perimeter barrier will depend on three factors which may to some degreeconflict with each other, requiring an early decision on priorities: • To avoid congestion entrances should be spaced at regular intervals around the circumference. • If mutually hostile fans must be kept apart it is again desirable for entrances to be widely separated. • But management may want entrances to be grouped closely together for convenience of staffing and security.Any conflicts between the above requirements must be resolved before design commences, by obtaining a veryclear statement of design priorities from management at the briefing stage.Segregation of fansIt is necessary here to say more about the second factor mentioned above whether to allow for the enforcedsegregation of certain groups of spectators before they enter the stadium. 60
  61. 61. Where the anticipated spectators are known to be game-orientated rather that team-orientated, and to behavepeacefully, there is no need for special provisions. Spectators at tennis, rugby or athletic events tend to fall intothis class. So, perhaps for different reasons, do American football and baseball crowds: because distancesbetween competing clubs in the USA are so great, there are seldom large numbers of away fans present atmatches.The case is generally different with football crowds in Britain and Europe (princi pally the Netherlands. Italy andGermany) and in South America. These fans tend to be strongly partisan and attend matches primarily to supporttheir home teams. Supporters of competing sides may be hostile and aggressive, in which case they cannot beallowed to mix freely and must be separated all the way from their arrival in Zone 4 to their seats.Provision must then be made for systems of barriers (preferably movable) in Zone 4 which will funnel groups ofspectators to widely separated entrances, which in turn lead to separate parts of the stadium. This causes twoproblems for designers: • Separate turnstiles and horizontal and vertical circulation spaces. perhaps also with separate toilets etc., could lead to expensive duplication of facilities. • It will be necessary to visualize al this stage ho" the stadium May be divided between seating areas for home and away supporters, and the entrances and routes must be so designed that rigid separation can be main tained at some matches, while freedom of movement is possible at others.and the public road network (Zone 4) for fast and unimpeded ingress and egress by ambu lances, fire engines orother emergency service vehicles. Widths and gradients must allow for this.Private entrancesThese entrances are for players. VIPs, directors, sponsors and the media. They should be close to a special VIPparking area, with a sheltered connecting route, and should be well separated from the public entrances.Access should be by open gate rather than turnstile, with a higher level of security staff present. and lead to a secureroute all the way to the scat. Quality of design and finishes must be markedly superior to the rest of the stadium.with the ambience of a superior hotel.Emergency service accessProvision should be made in the perimeter barrier for emergency service access between Zones 4 and 3. Theseaccess points must be stewarded constantly and will be opened only in exceptional circumstances. They shouldconnect directly between the stadium interior (Zone 1)Flood exitsApart from the gates and turnstiles described under Public Entrances above there must be separate and additionalflood exits, allowing a stadium that may have taken three hours to fill, to empty within a matter of minutes. 61
  62. 62. These exits should be located at regular intervals around the perimeter so that every seat is within a reasonabledistance from an escape, and preferably in a direct line with the vomitories and staircases in Zone ? to allowspectators a clear, direct and continuous line of egress from the building (though this is not always possible). Thegates must open outwards and have a sufficient clear width to allow the prescribed number of people to passthrough safely. A width of 1100 mm is acceptable in the UK but the authors recommend 1200 mm.Access between Zone 3 and Zone 2Stand entrancesFirst ticket checks and, if necessary, body searches will probably have been made at the outer entrances (see Section13.3.1 above). Second ticket checks are made at the stand entrances, which may be either gates or turnstiles. Thesechecks are more informal than those at the outer entrances, and more of a customer service than a stringentlyapplied safety measure.The same basic rules apply as for outer entrances: there must be enough space t o avoid all risk of a crushdeveloping and public facilities such as ticket offices, toilets (except those for people queuing to get in), bars andrestaurants must be located a safe distance away.Overall design for inward movementClarity of routesPeople enter the stadium from the area outside ( Zone 4) and must then thread their way through a succession ofturnstiles, corridors, circulation passages and doorways to the individual seating or standing position (Zone 2) But alarge multilevel stadium can be a very confusing place and a spectator may rapidly become exasperated if hecannot, for example. find his way from tile entrance gate to block 12, row K, seat 275 and must repeatedly doubleback to try another route. There are four methods for minimizing or avoiding this problem: • keeping choices simple (so that people are never faced with complex or difficult decisions), • ensuring clear visibility of the whole stadium ( so that people always know where they are in relation to exits); clear signs; good stewarding.Good stewarding is a matter for management rather than design and will not be pursued here; but detailed notesfollow on the three design measures listed above.Simple choices 62
  63. 63. As far as possible the visitor should never be :-iced with an interchange where many routes are open to him onlyone of which is right. It is easy make a mistake at the best of times and moving along in a crowd, perhaps underpressure or in conditions of haste, almost guarantees getting it wrong.The ideal is to provide the spectator with a series of simple Y or T junctions as he moves from the entrance gate tohis seat, facing him in each case with an elementary choice of yes or no. He must be confronted with one (andonly one decision at a time, in such a way that whenhas taken the final decision he has arrived at his -seat. Six typical decisions are: 1 Am I a home or `away supporter? At stadia where intergroup conflict is possible (e.g. football) these two groups should be segregated before they have even entered the stadium (see Section 13.3.1). Am I a seated or standing ticket holder? ? Am I seated in the upper or lower tier? 4 Am I in the blue or redsection?5 Is my scat in rows 1 to 10, or 11 to ?0? 6 Where is my seat in the row?The flow diagram (Figure 13.1) shows in schematic form a typical circulation pattern where choices have beenreduced to yes* and no decisions both when entering the stadium and when leaving. In this example there areseveral main entrances. each giving access to a different part of the stadium, thus making it possible formanagement to segregate home and away fans even before they have entered the stadium simply by allocatingseparate entrance gates to each.The above straightforward principles are complicated by two practical requirements. First, there may be a need(already mentioned in Section 13.3.1) to separate the entrances used by home and `away supporters. If so, this willtend to conflict with the desirability of keeping all entrances close to the administration centre, and therefore closeto each other.Second, while the primary circulation route should lead the spectator in the correct direction in deterministicfashion as described above, there should also be a secondary route allowing the spectator who has end ed up in thewrong place to find his way back. This secondary correcting route is almost as important as the primary circulationroutes.Clear visibilitySports stadia are not the place for clever architectural games relying on tight, disorient ing passageways opening intogreat public spaces to create a sense of spatial drama (as do some highly acclaimed theatres, concert halls andcinemas). Clarity is the First priority at every stage of entering or leaving the stadium, and designers should try tomake the stadium as open as possible. so that crowds are visually 63
  64. 64. in this Figure Spectator flow from gate to seat.Movement will be smoothest and safest if the spectator is faced with a sequence of simple choices, asshown.aware at all times of where they are, and that alternative means of escape are open to them if needed.It is desirable that spectators should be able to see from one exit stair to another and be aware that there is analternative route. This helps prevent them panicking.The need for maximum visibility is especially important in the case of sudden changes in direction, in width of"corridor, in surface level. or in lightness and darkness. Such abrupt changes can be dangerous and should ingeneral be avoided; but if that is impossible then the stadium-user should see them clearly in advance so that hedoes not stumble upon the transition unprepared.An awareness of the layout of the stadium may be enhanced by carefully-judged changesin level. For instance, spectators can be made aware that they are about to enter a different area, and must adjusttheir pace, by a short upward ramp. Or their sense of where they are and what lies ahead can be improved byenabling them to see over the heads of those in front, by means of a downward ramp or stair.Figure 13.2 shows a beneficial change of level of this kind, through a vomitory. Entering the seating tier via a rampor a short flight of stairs serves two purposes: on entry, forward pushing by the spectators into t he relatively narrowseatways is reduced by the preceding rise in level: and on leaving, spectators can see over the heads of those in front of them and are therefore much more aware of the circumstances ahead. This awareness is important as In this Figure Changes of level can be beneficial if carefully designed. The short stair helps slow down incoming Spectators, and enables those leaving to see over the heads of the people in front. Provision for 64
  65. 65. people in Wheelchairs has to be handled separately.IT is the unknown which creates anxiety in a crowd and can lead to panic.Clear systems of signsClarity of stadium layout should be reinforced by an equally logical system of signs if spectators are to find theirway about easily, dependably a nd safely.A comprehensive sequence of signs should begin off the site, directing traffic and pedestrians first to the correctpart of the ground, then to their particular entrance, and then stage by stage to every individual part of the building.The direction signs leading people along their route must be supplemented at regular intervals by information signswhich give information on the location of different seating areas, catering outlets. toilets and other amenities. Allsigns should be designed for ease of reading, placed high enough to be seen over peoples heads and located in aconsistent way so that people knowwhere to look as they hurry through the building. Control should be exercised during the entire lifetime of thestadium to ensure that signs remain compatible with the overall design of the stadium and its landscaping. Theneeds of people in wheelchairs must constantly be borne in mind.To make things easy for the customer, signs should be colour-coordinated with the areas to which they lead. andwith the tickets for those areas (for example red signs and tickets for the red seating area) and they should provideinformation in easy stages. For example, a spectator heading for scat K27 in block 12. section 7 would find thefollowing sequence of staged signs easy to understand and follow:SEATING BLOCKS 6 to 12 followed by:SEATING BLOCK 12, SECTIONS 6 to 10 Followed bySEATING SECTION 7 ROWS 13 to 27The alternative combined sign shown below would be much more difficult to grasp, leading to dangeroushesitations and contra-flows in the traffic:SEATING BLOCK 6 to 12, SECTIONS 6 to 10, ROWS I to 36In addition to signs, large clear maps, above head level, are vital at all key points, particularly to help people whohave difficulty with the local language. They should he oriented so that up on the map points in the same directionas the readers view of the stadium (otherwise the viewer must go through mental contortions correlating directionson the map with those in the stadium) and each map should have a You are here arrow. 65
  66. 66. SAFE AREASWhile clarity and simplicity of circulation routes will do much to promote safe, comfort table spectator movement,it should be recognized that on entering or leaving an area some people will inevitably change the ir minds anddecide to head for the opposite direction instead. This happens for many reasons. from forgetting a coat to wantingto visit the toilets or wishing to see friends. Such changes of direction can have a disrupting effect on the naturalflow of the remainder of the crowd.We recommend that indecision of this kind be planned for. in as much as it is impossible to change human nature.Quiet or sate areas should be provided off the sides of the circulation routes much as l ay-bys are provided besidemotorways. These lay-bys enable people to stop and take stock of the situation without obstructing others, and thenhead off in the opposite direction if they wish.Lay-by areas of this kind can be used as a method y of stepping out the sides of the circulation route. to widen ittowards the exits (Figure 13.3). This has the advantage of increasing the flow space outwards. while at the same time providing safe areas for people who want to stop and think, or turn round. Figure Lay-by areas on the main circulation routes allow people to stop and think without blocking the traffic flow.Distancing of facilities from circulation routesMany ancillary facilities must be provided in a stadium if spectators are to fully enjoy an event: programme saleskiosks, bars, cafeterias, child care centers and the like. These should be eye -catching and pleasing, but off the maincirculation routes so that queues of people do not disrupt the primary circulation now. Such facilities should alwaysbe located at least 6 m away from entrances or exits. 66
  67. 67. Overall design for outward movementNormal egress from stadiumThis layout should follow the same pattern as :he branching of a tree. Tracing the route back -,-he the individualscat to the exit gate, one may say that the individual twigs lead to small branches, which lead to larger branches,which :fad ultimately to the trunk which is the public -")ad. The twigs or smaller branches should never beconnected directly to the trunk as this may cause the flow on the branch line to hesitate, causing congestion andaggravation and (if the stadium is being emptied in conditions of emergency) serious risk.Signs and maps should work bath ways - for -coming spectators trying to find their way to : their seats, and also forspectators trying to findtheir way back to the exits. Exit signs must be particularly clearly visible, possibly illuminated, and will begoverned by safety legislation in most countries, which means that the design team should check with the local fireand safety authorities.Emergency egress from stadiumIn the UK the UK Guide to Safety at Sports grounds(the so-called Green Guide) recom mends that the escape timefrom any seat, in allstadia constructed of concrete and steel, must be no more than eight minutes. Unfortunately it does not specifywhere the escapee should be after eight minutes.The requirement in Italy is that it must be possible to clear the seating areas of all spectators in five minutes, andthen to clear the entire building structure of spectators in a further five minutes.The above examples serve to indicate the kind of rules which may apply, and are illustrative only. Each country willhave its own national and /or local regulations, and all regulations change over time, therefore the current situationShould always be checked with the local fire and safety authorities before design commences.In many cases such rules will specify evacuation of a stadium simply in terms of a number of minutes, but this isnot a completely adequate yardstick for safety. The true requirement is that spectators must be able to move fromtheir seats to a temporary safety zone, and thence to the permanent safety zone (see Section 13.?) in a specifiedtime. From this requirement may be calculated both the maximum allowable distances from spectator seats tointermediate places of safety, and thence to exits, and the minimum allowable widths of all the passageways anddoorways along those routes. The calculation that should be made is that known as `timed exit analysis (TEA). 67
  68. 68. TIMED EXIT ANALYSISThis is a step-by-step computation of the time it takes spectators to move from their nearest vomitory (the journeyfrom seat to vomitory being ignored far the purposes of this calculation) to a place of permanent safety. It proceedsas follows: 1 Take the worst case in each subdivision of the stadium. This will be the vomitory furthest from the exit in the section under review.2 Calculate the distance in metres from that vomitory to the temporary safety zone and thence to the permanent safety zone. Level areas and ramps must be measured separately from staircases. 3 Assume that spectators move along the level floors and ramps at 100m per minute, and down stairw ays at 30 m per minute. Further assume that 40 people per minute can passthrough one `exit width (600 mm for corridors and also for doorways, gates, etc.).4 Add up the walking times for the worst case spectator selected above, all the way from his v omitory to Zone 4.5 Subtract this time from the escape period required by regulation, or in case of doubt from eight minutes.6 Calculate widths of all passages and doorways or gateways along these routes in units of 600 mm (i.e. a passagethat is 600 mm wide is `one unit exit width, one that is 1200 mm wide is two exit unit widths. Now check that thetotal number of spectators seated or standing in a particular section can actually exit in the time calculated above,and if they cannot then widths must be increased. 7 Repeat the above distance and `width calculations for each subdivision of the stadium, so that no spectator sealing or standing area has been missed out, and revise the stadium layout if necessary until the entire stadium complies with safety requirements. Figure 13.4 The use of timed exit analysis to design escape routes that will allow spectators 68
  69. 69. to move from their seat to a place of safety within a specified time. Minimum evacuation times will increasingly belaid down by law as societies become more safety conscious. CROWD CONTROLGeneralControl of crowds and separation of spectators from participants has been a problem faced by designers since theFirst time real difficulties were experienced by stadium managers during Roman times. A group of people corningtogether to enjoy an event is a crowd and must be carefully managed from the moment they enter the zone ofinfluence of the stadium. Sometimes very little encouragement is needed for that crowd to become a mob andeventuallv that mob to become a riot. The managing of people must be considered from the very beginning of astadium project if this adverse encouragement is to be minimized. The majority of people place great importance onthe way they are treated by staff at a venue with 92 per cent indicating in a survey in the USA that customer serviceshould be the number one priority of management. It is this customer service together with the architecture of thevenue which will serve to maintain the goodwill of the spectators.The Colosseum and similar Roman amphitheatres developed their own type of separation in the form of asurrounding wall - possibly designed more to protect the spectators from the activities taking place in the arena thanthe other way round. Bullrings in Spain and Southern France developed along similar lines with a change in heightbetween the first row of seating and the bullring, essential to ensure the safety of the audience. In the latter part ofthe twentieth century the roles have been reversed, with the boundary serving to protect the activity area from thespectators.There are three commonly-used design techniques for separating the activity area from the spectators: perimeterfences, moats and changes of level.Perimeter fencesAdvantagesThere are two good reasons for having a robust fence (Figure 6.1) between spectators and pitch. The First isprotection of players and officials from hostile spectators. The second is the protection of a natural grass pitchsurface from compaction of the subsoil by spectators feet.Disadvantages 69
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Bachelor In Architecture Final year Thesis Report


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