Thi công mới
Access control system
Building Mangement System - BMS
Method statements of ELV system
Fire alarm system
Fire alarm system construction
Public address system - PA system
Method statments of public address system
CCTV system
Method statments of CCTV system
Construction of M&E system
Method statements of ELV system
Before construction of the building management system - BMS, the contractor must submit method statement of building management systems - BMS and stakeholders for approval purposes contractor orientation preparatory process and construction of the optimum, thereby reducing construction time, reduce costs, reduce risk and achieve safety quality, set schedules.
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1. Preparation works:
- Check the previous job has been completed.
- Work safety:
Preparation of tools, equipment safety:
+ Scaffolding and control.
+ Safety belt.
+ Hats and boots.
- Drawings fabrication, detail the latest installation has been approved.
- Preparation of materials:
The types of materials approved by the parties, approval:
+ The cable design category.
+ Drawing.
+ Color scotch tape to mark the cable.
+ Cable Belt.
+ Check tool better and ensure safe operation.
2. Installation works:
a. Install the signal cable and power cable:
- Cable length calculation, colors are correct to distinguish the signal cable and power cable.
- Signal cable type power cable joint, avoid signal interference.
- Prepare the cable, marked every 5 m axial cable.
- Cables will follow the pipe or cable tray.
- Cable Insulation guaranteed after pulling cable.
- While waiting for installation equipment, the cable must be marked and neatly curled.
- Check and ask for advice and approved.
b. Install the DDC:
Picture 2: Picture of DDC
- The DDC is installed to suit the design requirements, specifications of the project.
- Position the Company for installation of hangers, racks.
- Insert the connector signal proper technique, squeeze.
- Put the DDC in the rack.
- Connect the power cable and signal cable to the DDC.
c. Installation of the sensors and intermediate relay
- Positioning the sensor under construction drawing
- Installation of a television hanging, shelving for sensors
- Install sensor into tit rings, racks
- Align the sensor ensuring technical requirements.
- Insert the intermediate relay equipment in the cabinet is supervised
- Connect control wires ensure technical requirements
d. Installation monitoring center BMS:
- Carefully inspect the devices matches the design requirements, technical requirements of the project or not.
- Positioning, mounting equipment cabinets.
- Installation of equipment in the cabinet.
- Check the system supply voltage for suitability.
- Installation of redundant power to the system.
- Installation of cable tray under the cabinet equipment positioning.
- Measure, cut the cable and power cable signal under yellow cabinets trough has positioned
- Insert the connector on the cable, the signal cable.
- Plug the cable into the device.
- Insert the connector, signal wires securely to the object to be managed (sensors, equipment, ....
- Installation of computer systems management.
- Installation, commissioning screens.
- Check your final connections between devices.
Wiring management center BMS system with other systems.
3. The T&C works:
- Check all the cable connections and ensure correct.
- Check all the devices ensure the correct connection.
- Check the circuit, wire insulation all with DDC.
- Commissioning of the unit each individual system.
- Commissioning interlock system all.
- Acceptance interlock load the electrical system under the supervision and control of BMS.
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