Jihe South Road and Tianmen Shandong Road Reconstruction Project (including LED) construction...

Title: Qiaohe South Road and Tianmen Shandong Road Reconstruction Project (including LED) Construction Tender Q & A Tender No.: 芜招采[Doubt] (2009) No. 38 Announcement Date: March 11, 2009 Deadline: March 2009 13th bidding agency: Provinces and cities: Anhui Province - Wuhu City Contents: 1. The deadline for bid submission and the opening time of the bid are postponed until 10:00 on March 13, 2009.

2. “Asphalt is not within the scope of this tender, and the construction unit will separately bid for supply” means that all asphalt-containing project asphalt materials are not quoted and will be supplied separately.

3. The list of other projects on Tianmenshan Road is subject to the “Measures and Other Project Quantity List”.

4. Tianmenshan Road is divided into parts of the project quantity list No. 27: The side stone specifications are subject to the construction drawing.

5. Tianmenshan Road is divided into part of the project quantity list No. 28: The granite side stone specifications are subject to the construction drawing.

6, signal lights, bayonet speed monitoring and electronic police including electronic equipment.

7. Guide signs and pedestrian signs are added to the specific design after the road reconstruction is completed.

8, intelligent monitoring technology requirements:

Technical requirements for intelligent monitoring of Jihe South Road and Tianmen Shandong Road

1. In order to ensure the advanced nature of the equipment used in the monitoring system and the reliability of the system work, the main equipment of the system and system shall be designed according to the Chinese national standards or international common standards that are effectively used.

2. The equipment and components of the system are not referenced by national standards or international common standards. Standard products that can represent the advanced level in recent years can be selected.

3. Regardless of the standard design, production and construction adopted by the contractor, the traffic monitoring system must be operated safely and reliably, and meet the operational, usage requirements and functional requirements specified in this specification.

4. Equipment and components Under the requirements of engineering design and technical specifications, the same manufacturer's products should be selected to ensure the consistency and compatibility of the equipment.

In view of the fact that the intelligent traffic system of Wuhu City Public Security Traffic Police Detachment is based on the HL-ITCS system (HULIAN Urban road Intelligent Traffic Control System), the integrated traffic signal control system of Wuhu City integrates the intelligent traffic signal control subsystem of Wuhu City. Road speed measuring bayonet subsystem, intelligent traffic illegal capture system, traffic guidance and parking guidance system, police duty management subsystem, road facility monitoring and alarm subsystem, comprehensive information query analysis subsystem, traffic flow data analysis subsystem, etc. The traffic management platform of the subsystem. In order to make the system integration and maintenance and practical, to maintain the consistency, integrity and continuity of the system construction, all hardware and software systems must be constructed to be able to seamlessly interface with the HL-ITCS system. The video surveillance system is connected to the Wuhu Telecom Company system.

6 traffic information guidance screen

6.1 technical parameters

l Pixel spacing: 16mm; 2R1G; protection level IP65;

l Display size: 3000mm long and 2000mm high; 6 square meters in total;

l Display capacity: It can display 16*16 dot matrix Chinese characters 11 characters long and 7 characters high;

l Resolution: 176*112; full screen brightness ≥4000cd/m2; viewing angle: plus or minus 55 degrees;

l Brightness adjustment level: 16 levels of grayscale adjustment (sunlight, sunny, cloudy, evening), and can be automatically adjusted with the ambient brightness or by the control center to issue software instructions.

l font/font and display content: all font fonts can be displayed, at least 16*16 dot matrix characters can be displayed for dot matrix fonts, with graphic display;

l Operating temperature: -40 degrees Celsius ~ 80 degrees Celsius is a necessary condition;

l Grounding: Grounding must be good, grounding resistance ≤ 4 殴;

l Communication interface: Must be able to support TCP/IP, LAN, RS-232C/RS-400/RS-485 communication interface, communication rate is optional;

l Visible distance: visible at 200 meters;

l It adopts F-bar erection, each column is 7.5 meters, the diameter is 30cm, the arm thickness is 8mm, the double cross arm is 4 meters long, the diameter is 15cm, and the arm thickness is 5mm. The shape is firm and beautiful.



6.2 Traffic Guidance Screen Software Module

(1) Screen control card standardization SDK development kit

l Support a variety of mainstream development languages, multiple operating environments, detailed instructions and examples;

l Provide secondary development interface for existing HL-ITCS urban road intelligent traffic signal control system;

l Provide a variety of communication methods, support multi-communication network, interface developed with device management functions, related functions can refer to the attribute table and function table;

(2) Induction screen control software

l is used to receive image files, according to the playback information file (file record such as picture playback speed, playback start and end time, etc.) from the control center, play the incoming picture.

l The display is a 240×176 dot matrix large-screen LED display whose display image is controlled by the induced screen control card.

l The control card software monitors and diagnoses the operating status and parameters of the remote induced screen device hardware.

(3) Traffic guidance screen control software module

l Mainly integrated with HL-ITCS urban road intelligent traffic signal control system, complete the three functions of picture operation, database operation and picture file transmission.

l The operation of the picture includes picture editing and picture playback preview. Editing the picture is to store the edited text information in the picture library directory according to the 16×176 size BMP picture;

l The database records all the picture names of the picture library, the IP address of the traffic control screen of each traffic intersection, and the picture name and playback information selected for each intersection.

l The image file sending part sends the picture file to the corresponding traffic guidance screen control card through the IP address, which can provide the automatic release function of the traffic guidance information, and can query the current display content and working state of the variable information board in real time, and can provide the information. Edit and modify management functions.

l All the fonts and graphics supported by the system ensure the accuracy of communication between the control center and the outdoor screen, and the display content sent to the display is not lost due to the failure of the display.

(4) Software features:

l can store multiple pieces of information and display them according to the command.

l Instantly change the content and send it immediately and display it.

l Software communication between upper and lower machines can be done according to the communication protocol.

l can transfer and display graphic format (BITMAP).

6.3 induced screen structure and installation requirements

The induced screen support structure adopts an F-type support structure and is disposed on the main road side separation belt.

The induced screen support structure should be able to withstand wind speeds of 25 m/s and other severe weather conditions that may be encountered. All supports are hot-dip galvanized for rust and spray treatment.

The induction screen control box is fixed on the installation column and made of anti-corrosion material. The box body should be provided with a lock, and the internal circuit board layout should be easy to maintain.

All steel products shall be implemented in accordance with the standards of the People's Republic of China. All materials and components are tested in accordance with standard regulations to the satisfaction of the owner. It cannot be used in engineering until the materials and components have been tested. The cost of the test is borne by the contractor. For the processing and construction requirements, refer to the national standard GB5768-1999 and the construction technical specifications for traffic safety signs.

6.4 Information-induced screen protection

l The information-inducing screen must be equipped with lightning protection devices to protect the equipment from lightning damage.

l All metal components must be well grounded and the working grounding resistance is ≤ 4Ω.

7 Technical conditions

7.1 Power Supply

l In this project, the power supply provided by the owner is AC power, and any equipment provided by the contractor that needs AC power supply should be able to work satisfactorily within the range of changes provided by the owner.

l The contractor shall detail the type, requirements, and power consumption of the AC-powered equipment and the required power supply in the equipment provided.

The contractor shall specify the impact on the equipment and the protective measures when the power supply is interrupted.

7.2 Grounding

(1) General requirements for grounding

The contractor should recommend the best grounding solution. The equipment provided by the contractor is required to be used in conjunction with the existing grounding device and the requirements for the division of labor and grounding resistance are specified.

(2) The contractor shall provide the maximum allowable grounding resistance value of various equipment, the grounding system requirements, the grounding device resistance value and the calculation method of the lead resistance value.

7.3 Environmental requirements

When the equipment provided by the contractor cannot meet the temperature and humidity conditions stipulated by the technical specifications, the scope of the equipment's requirements for ambient temperature and humidity shall be stated in the technical proposal for the owner to consider.

other requirements

(1) Ventilation equipment of various equipments shall not have any special requirements for the environment.

(2) The equipment provided by the contractor shall be packed by the contractor and adapted to different transportation environmental conditions. The equipment shall be capable of being transported and stored without air conditioning.

7.4 Overvoltage protection and anti-interference

(1) The ability of the system provided by the contractor to protect against overvoltage and overcurrent shall comply with the relevant regulations.

(2) The contractor shall explain the impact of the ground potential at the fault point on the supplied system when a ground fault occurs in the power supply system.

(3) The contractor shall propose protection measures for the incoming equipment and the incoming cable to protect the equipment from lightning strikes, AC induction, magnetic power lines, ground potential rise, etc.

(4) The Contractor shall provide details of the protective measures in the system to protect the equipment from overvoltage and overcurrent damage.

(5) The contractor shall state the anti-jamming capability of the equipment provided. For example, the field strength value of the maximum radio interference allowed under the condition that the system is working properly and meets all performance specifications.

7.5 Mechanical structure and process requirements

(1) Equipment should be maintainable and all racks should be easily maintained from the front or back.

(2) The equipment must provide a cover for the prevention of accidental impact components, parts that can be accessed to the wiring, and dangerous voltage components. Special signs should be provided for dangerous parts such as high voltage.

(3) Printed circuit boards, plug-in modules and similar devices shall have locking connectors or appendages to ensure that these units are not disengaged by the vibration and operating forces of the equipment.

(4) The opening of the cable hole should be closed, and the cable entry hole of the chassis should be installed with gasket to ensure that the cable closing performance is not affected when the cable is twisted and replaced.

(5) A plug shall be provided for each cable. The plug shall be sturdy and fixed by screws. The connection point should be within the equipment cabinet and the cable should be connected and disconnected within the equipment without moving any equipment, wires or electronic equipment.

(6) Permanent identification marks shall be made by means of stenciling or other printing on or near the terminal block, connectors, plugs and other terminal points. All termination points, connectors, and other circuit points in the device with identification and description should have the same identification in all schematics, wiring diagrams, schematics, and other documentation for the device and system.

(7) The chassis of the external field equipment shall be assembled of stainless steel or other similar materials approved by the owner. The design, manufacture and laboratory tests shall ensure that the system works well during the specified life, the material does not deteriorate, and The appearance is satisfactory. Equipment manufacturing, cleaning and anti-corrosion processes should prevent rust and corrosion of the assembly. The surface of the equipment should be painted to a color that is satisfactory to the owner.

If a power supply unit is required in the chassis, the power supply should be introduced and a 220V/380VAC outlet should be reserved for maintenance purposes;

Each lightning lead in the chassis should have a corresponding lightning protection device to prevent lightning strikes;

The chassis needs to be grounded with safety protection, and the grounding resistance is ≤ 4Ω.

The enclosure of the external field equipment should be used in the field environment and climatic conditions. All the inlet and outlet holes of the chassis should be sealed to meet the requirements of weatherproof and moisture proof, and meet the IP65 standard. When the door of the chassis is opened, there should be an automatic locking device. Take the door with a windy wind. The chassis should be sealed when closed and locked with a lock. The door lock has anti-theft and anti-destructive capabilities.

(8) All equipment should have current surge and lightning protection.

7.6 Hardware Requirements

(1) The contractor's equipment shall adopt a modular hardware structure.

(2) Equipment should have extended interfaces, such as adding lanes and external equipment.

(3) The boards of the same equipment can be interchanged. Company Name: Wuhu Municipal Government Procurement Agency Contact: Jin Jing Tel: 0553-3121812 E-mail: Fax: Postal Code: 241000 Address: Bidding Purchasing and Trading Center, No. 237, Beijing East Road, Wuhu City

Cable Reels

Cable Reels,Extension Cord Reel,Retractable Extension Cable Reel,Electric Cord Reel

Power Cable Socket Lamp Co., Ltd. , http://www.nbpowercables.com

This entry was posted in on