In the fields of architecture and civil engineering, construction is a process that comprises the building or assembling of infrastructure. Large scale construction is a feat of multitasking whereby the job is managed by the project manager and supervised by the construction manager, design engineer, construction engineer or project architect. For the successful execution of a project, effective planning is essential. Those involved with the design and execution of the infrastructure covers the environmental impact of the job, the successful scheduling, budgeting, site safety, availability of materials, logistics, inconvenience to the public caused by construction delays, preparing tender documents, etc. Custom designer software hardware engineering developer manufacturers installation installers system integrators testing commissioning repair maintenance service private public government main contacts sub-contractors wiring central centralized intelligent building home condominium hospital university college medical center use usage road transport shipyard port cargo airline airport train lrt light rail transit bus terminals cabling close circuit tv zoom cctv surveillance integrated rfid mifare elid magnet magnetic swipe castle em-marin sagem biometrics finger print touch n go wireless fiber optic cabling cables belden ups uninterruptible power supply spare parts wholesale time management time attendance access control card access control system door access control system tender jobs payroll car park management turnstile flap visitor management car park barrier apartments condominiums gated community lcd display elevator malaysia escalator elevator management system travelator walkalator lift maintenance crt monitoring computer server zigbee.