【 Weak current College 】 intelligent building weak electricity project implementation

Intelligent building weak electricity project implementation and quality control is the intelligent building industry focus, for the intelligent building worthy and play investment results, this article on intelligent building weak electricity project implementation, project management focus, weak construction process, specifications and acceptance and construction quality control for an analysis and discussion, to promote intelligent building weak electricity works more orderly run more effectively.

1. Intelligent building weak electricity project implementation is an intelligent building weak electricity project implementation, we must firmly grasp the work program of the main points of the various links and quality evaluation and control.

1. functional requirements analysis and design of the system. The main is to grasp the design standards and systems function, that is from the functional requirements, its overall design reflects the features or some "highlights".

2, weak current contractors choice is the key to success in engineering. According to the characteristics of electronic engineering and at present, intelligent building weak electricity project success and failure analysis indicates that is typically used by system integrators (prime contractor) or owners on various subsystems for overall coordination, management and control of project operation mode, select one of the main contractor (integrators) is the key to success in engineering. In a sense, the System Integrator is technical ability, project management, organizational capacity three organic integration of the "."

3, power engineering system maintenance and management is the project performance and ROI of fundamental guarantees. Power engineering is the opening of the implementation of the project an important symbol of success and failure, and intelligent building performance and results, the ROI is its ultimate goal. Therefore although the weak current project passed the acceptance check, assessment, system maintenance and management is the basic guarantee for achieving results.

Second, intelligent building weak electricity project management focus

1, technology management according to the contract and design requirements, should be in the project implementation process determine power between various systems, and each of the subsystems and electromechanical equipment, civil engineering, decoration engineering interface between professionals and product vendors, types of contractors and construction units project scope, duties and the determination of the interface, as well as in the project implementation process which interface modification adjustment and then known.

Electronic engineering interface determines is necessary to open the system is electronic engineering technology management of one of the key or difficulty. Engineering interface typically include: supply of equipment and materials, the system interface to determine the technical interface determination, the determination of the interface design and construction of the interface.

Good technology and construction design drawings and data auditing. Electronic engineering design involves professional, type of work surface must be broader, before construction to power engineering and construction design audit, timely detection of problems and take the necessary measures to ensure that the duration, quality and reducing rework, particularly in relation to the weak electricity works must be on the drawings and data for audits, to ensure that an inventory of devices in the contract, the monitoring point and the actual situation in construction drawings that are consistent, that is, the monitoring point table of each control point in the drawings must be reflected and controlled point or monitoring point interface matching, the number of devices, models, specifications and drawings, equipment list, in order to ensure that the system in the integrity of the hardware device and comply with the interface and interaction, information communications interface specification requirements.

2. project management in addition to meeting the General project management, more to the weak electricity projects should focus on the following work:

(1), to strengthen professional and work coordination between project involving the construction, light decoration, air conditioning, water supply and drainage, electricity, lighting, elevators, and other professionals, in a sense light current project is in line with the type of work, the project site must work closely with the professional and coordination, especially in the valve, water temperature sensors, flow meters and flow switch and its installation, hole position, convex welding, throttle and actuator co-ordination with the appropriate type of coordination.

(2), to strengthen the process of checking and acceptance due to the weak electricity construction of piping, line, and line laying equipment installation and debugging, might be different construction unit construction, so that when each of the processes or types of construction is finished, you must fill in the appropriate records or install table for single equipment installation and stringing, wiring, you must follow the hidden project and the corresponding project acceptance and drawing requirements and handover acceptance, and do a single device test records, submission of a complete engineering technology archives to ensure project quality and prevent over trifles.

Third, intelligent building weak electricity construction construction and acceptance of construction there is currently no national standards, but local standard has been promulgated. Shanghai "intelligent building construction and acceptance" (DG/TJ08-601-2001) has become the Shanghai engineering building construction specifications, will be strictly in accordance with this specification requires implementation.

1. the intelligent construction electrical cable laying and grounding systems described the bracket installation, trunking, wires, pipes, cable (wire, cable, optical fiber) in the laying of the power equipment installation, installation of system process, specifications and acceptance criteria. Particularly stressed the power cable and signal, control cable trough, in charge of the installation. Grounding system in addition to the special requirements can share a grounding, but weak electricity system grounding line must be the strong electricity grounding line. Shielded cable shielding layer must point grounding.

2. the intelligent construction equipment monitoring system (BAS) provides for a system device (including hosts, gateways, communications equipment, DDC, Control Panel, etc.), system input devices (including temperature, humidity, pressure, flow, level sensors, flow switch, and field equipment). Output device (including various air door, actuators, valves and their actuators, etc) installation, construction specifications and acceptance criteria.

Establishes the system of DDC, new fans, air handlers, exhaust, cooling, heat source equipment, VAV terminal equipment, water supply and drainage system for single equipment, (water pumps, tanks, reservoirs, etc.). Electrical, lighting equipment, and other monomer unitDebugging procedures, test items, test methods and requirements. According to BAS system acceptance standards for system testing and acceptance.

3. intelligent building security systems defined at present, the system consists of a burglar, anti intrusion alarm systems, video surveillance, entrance control system, patrol management system, visitors and alarm system, garage management system and communication system. Provides for various types of intrusion detectors, cameras, PTZ, decoder, monitors, intercom equipment, patrol information button (switch), card reader, Induction coil, rack, main control equipment (Taiwan) installation requirements, construction specifications and acceptance criteria.

At the same time provides the above respectively seven subsystems monomer units, System commissioning and acceptance of essential requirements, order, technical acceptance and system qualified, basic qualified and unqualified acceptance criteria.

4. intelligent building communication automation system provides the system installation, acceptance of work processes, including the equipment installation, System commissioning, submitted a preliminary inspection of the test,, surrender, changeover preparation, cutting, commissioning and acceptance testing, others are building intelligent systems acceptance standards, the second part of the system acceptance testing and final acceptance.

This specification describes the device installation requirements including cabinet, machines, peripheral equipment, distribution frame (MDF, ZDF), information outlets, cable terminal, fiber core wire terminals, VSAT-terminal station antenna and lightning protection and earthing, the power supply (UPS), etc.

System testing and acceptance test at the beginning of the line, including optical SDH optical transmission equipment, remote module, PABX, V5 access network equipment, digital data network, DDN node machine, videoconference systems, VSAT-terminal station, communication power supply (DC power supply), structured cabling tests and initial inspection projects and standards.

5. fire auto-alarm and linkage control systems this specification describes the various types of fire alarm detectors, alarm buttons, interface modules (input/output, switching, isolation, etc.), alarm controller, floor monitors and other equipment installation requirements, and standby power of debugging, the automatic alarm function of inspection, testing, and fires the alarm linkage control device debugging, including the fire hydrant system, sprinkler systems, foam and dry chemical extinguishing system and linkage control devices (including fire power, switch, elevators, fire shutter, air conditioners, fire doors, smoke, exhaust fan, etc.), alarm and communication, detection, and system acceptance testing project sampling scope as well as identifying qualified unqualified acceptance criteria.

6. intelligent building automation systems this specification identifies the intelligent building automation system model, provides computer network system installation and testing, including switches, wide area networks, access device router, network hubs, network, software installation and testing, computer peripheral equipment installation and testing, acceptance of application software installation and system testing and system acceptance of content, methods, and a single competent and comprehensive qualification criteria.

Fourth, intelligent building weak electricity engineering of quality control of power engineering of quality control should be comprehensive, focusing on the features according to the weak electricity project in the project implementation of the highlighted three main stages of the design, construction, commissioning all aspects of quality control.

1, design stage quality control inspection and confirmed the various subsystems of system design, technical design, functional description, device selection must reach the contract, the owners and functional requirements analysis; according to the established requirements, check the interface of engineering professions, subsystem reference junction cross between technical information meets the requirements, including features, signal match, device configuration, logic, and so on; check the design of the managed objects in place, both the pipeline signal interface interface features meet the design requirements; on the design drawings for comprehensive audit to ensure that equipment inventories, monitoring points table and construction drawings are identical.

2. construction project quality control according to the construction process and related construction and acceptance of the quality control phases; according to the illustration of the construction process of the block diagram of the quality assurance system for construction and quality control; do electric tubes, wire, cable laying and subtle construction records and acceptance; press the construction craft Essentials do a single installation of quality check table; the design and product specification requirements monomer unit test, and debug logging.

3. system debugging including system debug document inspection before; by design, specifications and contract requirements for compiling and debugging framework, following a review of the Organization and implementation confirmation; records, inspection, confirmed by the requirements of various test data, identify problems and propose measures for the timely processing, and confirmation by the relevant section; strictly according to the specifications and outline requirements for debugging.

V. conclusion we consider intelligent building engineering, is leading the overall design is smart building function and level of expression; the implementation of the project is the key to success in intelligent buildings; system integrators (prime contractor) select, make sure to determine project implementation-centric interface of project management as well as strictly according to the design, product, technical standards, construction specifications for construction and quality control are the three elements of the success of the project.