A barrier is a physical structure which restricts the unauthorized vehicle to pass through. It is one of the dealers for security products, which includes Bollard, Boom, Queue, Tripod Turnstile, and Flap.Bollard barriers are used in Industrial areas, residential areas to prevent the unauthenticated entry.

1. SECURITY BARRIERS
DhonaadhiHitec Innovations
Mr. KrishnarajMadanagopal (Chief Executive)
Plot No. 196, Door No. 21,Murugu Nagar, 4th Street,
Vijaya Nagar, Velachery, Chennai - 600042,Tamil Nadu ,India
Mobile : 9884166566Phone No: 044 39922645
Barriers:
A barrierisa physical structure whichisusedtorestrictthe unauthorizedvehiclesenter intothe
premises. Itisone of the greatsecurityprovidestothe customers. Itincludesfivetypesare Bollard,
Boom,queue,tripodturnstile,andflap.
Barriers are widely used in hotels, restaurants, Organization, shopping malls etc., Bollard
barriers are used in Industrial areas, residential areas to prevent the unauthenticated entry.
Boom barriers are used in parking facilities, level crossings etc., Queue barriers are used for
allowing and exit of people. Tripod turnstile barriers are used for access control and it is easier to
access. Flap barrier is also a gateways as other systems. Dhonaadhi is one of the leading
marketers in southern part of India. It deals with supply of barriers and fulfill their requirements.

2. About us:
DhonaadhiHitecInnovationsisone of the leadingmarketersinsouthernpartof Indiafor safetyand
securitysystem. We are flourishinginthisfieldforpast20 years witha successful movement.Inthisfield
of expertise,We are startedtodo franchise foroursystemintheirownplaces. Our Dhonaadhi products
are CCTV Securitycamera,Biometricattendance system, Metal detector,Fire alarmsystem,IDcard
printingmachine, Videodoorphone,Gate automationsystems,Papershredder,Signage display,Safety
lockers,Securitypatrol guardmonitor,Vehicle trackingsystem, Carparkingsystem, EPABXsystem,Xray
baggage scanner,Burglaralarm, Conference roomsolutions,Barrier,GPSclocksystem, Roadsafety
products,Otherretail products,Nurse call systems,Home automationsystems. Now-a-days,Securityis
the most importantpartin our life. We assure youthatour systemprovidesthe 100% securitytoyour
premises.
Types ofBarriers:
Barriersare useful forrestrictingthe unknownvehiclesintothe premises.Ithasmany typesof barriers
such as Bollard,Boom,Queue,TripodTurnstile,Flap.
Applications:
 Restaurants
 Hotels
 Shoppingmalls
 Organization

3. Bollard Barriers:
A bollardisa shortvertical post. It is buriedunderthe ground. If the unauthorizedvehiclereachesinside
the premises,bollardrisesandrestrictsthe unknownvehicles. Itcreatesthe severe damage tovehicle. It
ismostlyusedinIndustrial areas,residential areasetc.,
Boom Barriers:
A Boombarrieracts as a gate, as a pole pivotedtoallow the boomtorestrictthe vehicle toaccess. Itis
typicallyusedinLevel crossings,drawbridges,andparkingfacilities,checkpointsetc.,Boombarriersare
oftenpairedwitheitherendtoend,or offsetapproximatelytoblocktrafficinbothdirections.
Queue Barriers:
Queue barrier is a barrier used widely queue standing for ticket counters or dharsanam etc., It is used
widely used in cinema malls, airports, temples etc. It is easy way to construct the queue.

4. Tripod Turnstile:
Tripodturnstile isagate whichisusedto passthe single personatatime while the personinsertsthe
coin. Turnstile isusedwidelyinstadium, amusementparks,airports,ski resortsetc.,
Flap Barriers:
Flapbarrieris similartotripodturnstile,butitallows2or more people withasingle coinor ticket.Itis
widelyusedinmetrorailwaystations,airportsetc.,