Acceptance and appraisal of integrated wiring projects

9.1 Final work of integrated wiring project

1. Final work of integrated wiring project

(1) Clean up the site and keep it clean and beautiful.

(2) Wall holes, shafts and other interchange points must be repaired.

(3) Gather all remaining materials, place them in one place, and record their available quantities.

(4) Write a summary report.

2. The main contents of the summary report are as follows:

⑴ Commencement report; ⑵ Network document; ⑶ Usage report; ⑷ Acceptance report.

9.2 Composition of Network Documents

9.2.1 Network structure documentation

Main contents: Network logical topology diagram; network segment association diagram; network equipment configuration diagram; IP address allocation table.

9.2.2 Network cabling documentation

⑴ Network wiring logic diagram;

⑵ Network cabling engineering drawing (physical drawing);

⑶ Test report (providing wiring diagram of each node, length, attenuation, near-end crosstalk and fiber test data);

⑷ Comparison table of patch panels and information sockets;

⑸ Patch panel and hub interface comparison table;

⑹ Connection table between hub and devices;

⑺ Fiber optic wiring table.

9.2.3 Network system documentation

⑴ Server documentation, including server hardware documentation and server software documentation.

⑵ Network equipment documentation. Network equipment refers to workstations, servers, repeaters, hubs, routers, switches, bridges, network cards, etc.

⑶ Network application software documentation.

⑷ User access permission table.

9.3 Acceptance of Integrated Cabling Project

The acceptance of the integrated wiring project is the formal procedure for the construction party to hand over to the user, and it is also the user's recognition of the project.

1. The difference between acceptance and appraisal

⑴ Acceptance is the user's recognition of the construction work of the integrated wiring project, and it checks whether the construction of the project meets the design requirements and relevant construction specifications.

⑵ Appraisal is to evaluate the level of project construction.

⑶ Acceptance is generally carried out in two parts, the first part is physical acceptance, and the second part is document acceptance.

(4) The appraisal is carried out jointly by the expert group and Party A and Party B.

2. Acceptance personnel involved in the project

⑴ The administrative persons in charge of both parties of the project;

⑵ Relevant direct management personnel and project supervisors;

⑶ Supervisors of major engineering projects;

(4) Relevant technical personnel of the architectural design and construction units;

⑸ An expert group composed of a third-party acceptance agency or relevant technical personnel

3. The acceptance of the integrated wiring system should comply with the following regulations

⑴ The project acceptance should be carried out in accordance with the design documents and the contents specified in the contract.

⑵ The construction, installation, testing and acceptance of the integrated wiring system must comply with the corresponding technical standards, technical requirements and national standards.

⑶ During the construction process, the construction unit must implement the relevant regulations on construction quality inspection. The construction unit should strengthen the on-site quality inspection through the construction site representative or engineering supervision personnel, and organize the inspection and visa work of hidden works in a timely manner.

⑷ The content and methods of completion acceptance items should be handled in accordance with relevant specifications.

⑸ Construction operation procedures should implement relevant specifications.

⑹ The acceptance of the integrated wiring system project shall comply with the relevant national standards.

9.3.1 Measures to be taken after acceptance

To ensure the quality of the project, necessary measures should be taken from the following aspects.

1. Product quality assurance

2. Design guarantee

3. Guarantee of construction quality

The construction team should be on duty with a certificate, and supervision and inspection should be strengthened during the construction process. To ensure the quality of construction, the following aspects should be paid attention to:

⑴ Formulate operating procedures;

⑵ The pulling force should not be too large during construction;

⑶ Calculate the cross-sectional area of ​​concealed pipes and cable ducts and determine their utilization rate;

⑷ When terminating the cable, try to keep the wire pairs twisted.

4. Engineering testing and acceptance

Project testing and acceptance refers to formulating the acceptance content according to the specific conditions of the project, and performing performance tests on each wiring link in accordance with the requirements of the standard. During this period, special attention should be paid to the acceptance of concealed projects implemented in civil engineering projects.

9.3.2 Contents of integrated wiring project acceptance

1. Environmental inspection

Environmental inspection refers to the inspection of the building and environmental conditions of the management room, equipment room, and work area.

Check content:

⑴ Whether the civil engineering works of the management room, equipment room and work area have been completed; whether the floor of the house is flat and smooth; whether the height and width of the door hinder the transportation of equipment and instruments; whether the door locks and keys are complete.

⑵ Whether the location, quantity and size of the pre-buried ground trenches, concealed pipes, holes and shafts in the house meet the design requirements.

⑶ Whether the place where the movable floor is laid and the grounding measures of the movable floor anti-static measures meet the design requirements.

⑷ Are 220V single-phase grounded power sockets provided in the management room and equipment room?

⑸ Whether reliable grounding devices are provided in the management room and equipment room. When setting up the grounding body, check whether the grounding resistance value and the grounding device meet the design requirements.

⑹ Whether the area, ventilation, ambient temperature and humidity of the management room and equipment room meet the design requirements.

2. Equipment inspection

Equipment inspection mainly refers to the inspection of various wiring materials, including various cables, connectors, pipes and auxiliary accessories.

(1) Device inspection requirements

① The model, specification, quantity and quality of the cables and equipment used in the project should be checked before construction. Materials without factory inspection certificates shall not be used in the project.

② Records should be kept of the inspected equipment, and unqualified devices should be stored separately for verification and processing.

③ The cables and equipment used in the project should comply with the requirements of the order contract, or be consistent with the specifications, models and grades of the sealed products.

④ Spare parts, spare parts and various materials should be complete.

(2) Inspection requirements for profiles, pipes and iron parts

① The materials, specifications and models of various profiles shall comply with the requirements of the design documents, and the surface shall be smooth and flat without deformation or breakage.

② When steel pipes or rigid polyvinyl chloride pipes are used as pipes, the pipe body should be smooth and free of scratches, the pipe holes should not be deformed, and the hole diameter and wall thickness should meet the design requirements.

③ When cement pipes are used for pipelines, they should be inspected in accordance with the relevant regulations for construction and acceptance of communication pipeline projects.

④ The materials and specifications of various iron parts should meet the quality standards and should not be skewed, twisted, burred, broken or damaged.

⑤ The surface treatment and plating of iron parts should be uniform and complete, with a smooth surface and no defects such as falling off and bubbles.

(3) Cable inspection requirements

① The types and specifications of twisted pair cables and optical cables used in the project should comply with the design regulations and contract requirements.

② The contents of the signs and labels attached to the cables should be complete and clear.

③ The cable outer sheath must be intact and the cable should be accompanied by a factory quality inspection certificate.

④ The electrical performance test of the cable should be carried out by cutting out 100m length from any three reels of the cable in this batch, and sampling test should be carried out on the connectors selected in the project, and test records should be made.

⑤ After the optical cable is opened, check whether the surface of the optical cable is damaged and whether the sealing of the optical cable end is good.

⑥ When optical cables are used in integrated wiring system projects, the optical cable certificates and their inspection and test data should be checked.

⑦ When checking the optical fiber patch cord (optical jumper), the following regulations should be met:

1) The end faces of the active connectors (flexible joints) at both ends of the optical fiber patch cord should be equipped with suitable protective caps.

2) The type of optical fiber in each fiber optic patch cord should be clearly marked, and the selection of fiber optic patch cords should comply with design requirements.

(4) Inspection requirements for connectors

① The components of the wiring module, information socket and other connectors should be complete, and the plastic material should meet the design requirements.

② The various indicators of overvoltage and overcurrent protection of the safety unit shall comply with relevant regulations.

③ The usage form, quantity and position of the connector of the fiber optic socket should be consistent with the design.

(5) Regulations for the use of wiring equipment

① The models and specifications of optical cables and cable handover equipment should meet the design requirements.

② The arrangement and name of the optical cable and cable junction equipment should be consistent with the design. All kinds of signs should be unified, and the sign positions should be correct and clear.

3. Equipment installation inspection

(1) Cabinet and rack installation requirements

① After the cabinet and rack are installed, the vertical deviation should not exceed 3mm. The installation position of the cabinet and rack should meet the design requirements.

② Various parts on the cabinets and racks must not fall off or be damaged. If the paint surface is peeling, it should be repainted, and various signs should be complete and clear.

③ The cabinets and racks should be installed firmly. If earthquake resistance is required, they should be reinforced according to the earthquake resistance design of the construction drawings.

(2) Installation requirements for various wiring components

① All parts should be complete, installed in place and fully marked.

② The mounting screws must be tightened and the panel should remain on a flat surface.

(3) Installation requirements for 8-position modular universal sockets

① It should be installed on the raised floor or the ground and fixed in the junction box. The socket panel should be vertical or horizontal. The junction box cover can be opened and should be waterproof, dustproof and pressure-resistant. The junction box cover should be flush with the ground.

② The installation position of the 8-bit modular universal socket, multi-user information socket or collection point wiring module should comply with the design requirements.

③ The fixing method of the 8-bit modular universal socket base box should be determined according to the conditions of the construction site, and it is advisable to adopt pre-set expansion screws and other methods.

④ The fixing screws must be tightened and should not be loose.

⑤ Various socket panels should be labeled with color, graphics, and text to indicate the type of terminal device connected.

(4) Installation requirements for cable trays and cable ducts

① The installation position of the bridge and cable duct should comply with the construction drawing requirements, and the left and right deviation should not exceed 50mm;

② The horizontal deviation of the bridge and cable duct should not exceed 2mm per meter;

③ The vertical bridge and cable duct should be kept vertical to the ground without tilting, and the verticality deviation should not exceed 3mm;

④ The cut-off part of the wire trough and the joint part of two wire troughs should be smooth and free of burrs;

⑤ The hanger and bracket should be installed vertically, neatly and firmly without any skew;

⑥ The metal bridge and cable trough sections should have good contact and be installed firmly.

(5) The grounding bodies used for installing cabinets, racks, shielding layers of wiring equipment, metal steel pipes, and cable ducts should comply with design requirements, be grounded nearby, and maintain good electrical connections.

4. Check the laying and protection methods of cables

(1) Cable laying regulations

① The model and specifications of the cable should be consistent with the design requirements.

② The cables should be laid naturally and straight without twisting, looping, or joints, and should not be squeezed or damaged by external forces.

③ Labels should be affixed to both ends of the cable with numbers indicated. The labels should be written clearly, neatly and correctly, and the labels should be made of materials that are not easily damaged.

④ There should be a margin after the cable is terminated. The reserved length of twisted cables in the handover room and equipment room should be 0.5-1.0m, and the working area should be 10-30mm; the length of optical cable laying should be 3-5m, and if there are special requirements, the reserved length should be based on the design requirements.

⑤ The bending radius of the cable should comply with the following regulations

1) The bending radius of unshielded 4-pair twisted-pair cable should be at least 4 times the outer diameter of the cable.

2) The bending radius of the shielded 4-pair twisted-pair cable should be at least 6 to 10 times the outer diameter of the cable.

3) The bending radius of the trunk twisted pair cable should be at least 10 times the outer diameter of the cable.

4) The bending radius of the optical cable should be at least 15 times the outer diameter of the optical cable.

● Power lines and cables of the integrated wiring system should be laid separately, and the minimum clearance between cables should meet the design requirements and comply with regulations, as shown in Table 9.1.

● The minimum clearance between concealed conduits for cables and optical cables within buildings and other pipelines should comply with regulations, as shown in Table 9.2.

● After the cables are laid in the concealed pipe or cable trough, it is advisable to seal the outlets of both ends of the channel with filling materials.

(2) Provisions for laying cables in pre-buried cable ducts and concealed conduits:

① Both ends of the cable duct should be marked with signs indicating the number, length, etc.

② When laying concealed pipes, it is advisable to use steel pipes or flame-retardant rigid PVC pipes.

(3) Provisions for installing cable trays and cable ducts:

① The cable duct and bridge should be at least 2.2m above the ground; the top of the duct and bridge should not be less than 30mm from the floor; at the lintel or other obstacles, it should not be less than 50mm.

② The cables in the trough should be laid straight and avoid crossing as much as possible. They should be tied and fixed at the points where the cables enter and exit the trough and at the turns. The horizontal parts of the cables do not need to be tied.

③ When the cables are laid vertically in the cable tray, the upper end of the cables and every 1.5m should be fixed on the bracket of the tray; when laid horizontally, the cables should be fixed at the head, tail, bends and every 5 to 10m.

④ When laying cables in horizontal, vertical bridges and vertical cable ducts, the cables should be tied.

⑤ The optical cables within the building should be laid in metal cable troughs, and when laid on the bridge, cushion sleeves should be installed in the binding and fixing sections.

(4) When laying cables in the ceiling using ceiling support columns as cable ducts, the cables within the range of each support column do not need to be laid out in cable ducts, but they should be bundled and tied. The cable sheath should be flame retardant, and the cable selection should meet the design requirements.

(5) The construction technology requirements for laying cables and optical cables in overhead, pipeline, direct burial, wall and concealed conduits in the building complex subsystem shall be implemented in accordance with the relevant regulations on the acceptance of local network communication line projects.

(6) Requirements for laying and protecting horizontal subsystem cables:

● The protection requirements for pre-buried metal cable ducts are:

① The pre-buried cable ducts in the building should be set up in single layer. There should be no more than 3 pre-buried cable ducts in each route. The cross-sectional height of the cable duct should not exceed 25mm, and the total width should not exceed 300mm.

② When the direct buried length of the cable trough exceeds 30m or when there are intersections or turns in the cable trough route, a cable box should be installed to facilitate cable laying and maintenance.

③ The wire box cover can be opened and flush with the ground, and the cover should be waterproof.

④ The covers of the wire box and junction box should be able to withstand pressure.

⑤ Cables from metal wire trough to information socket junction box should be laid using metal hoses.

● The protection requirements for buried concealed pipes are:

① The maximum diameter of the pipe embedded in the wall should not exceed 50mm, and the maximum diameter of the concealed pipe in the floor slab should not exceed 25mm.

② A wire box device should be installed every 30m for straight pipe layout.

③ The turning angle of the concealed pipe should be greater than 90°. Each concealed pipe should not have more than 2 turning angles on the path, and no S-bends should appear.

④ The curvature radius of the concealed pipe bend should not be less than 6 times the outer diameter of the pipe.

⑤ The opening of concealed pipes should be smooth and protected with a mouth guard, and the protruding part of the pipe opening should be 25 to 50 mm.

● The laying and protection requirements for network floor cables are:

① The cable ducts should be connected.

② The cable trough cover should be openable and made of metal material.

③ The width of the main line duct is determined by the width of the network floor cover, which should generally be around 200mm; the width of the branch line duct should not be less than 70mm.

④ Floor panels should be compression-resistant, impact-resistant and flame-retardant.

● The protection requirements for cable trays and cable ducts are:

① When the bridge is laid horizontally, the support spacing is generally 1.5 to 3m; when it is laid vertically, the spacing fixed on the building should be less than 2m, and the part below 1.8m from the ground should be protected by a metal cover.

② When laying metal cable ducts, install brackets or hangers at the cable duct joints, at every 3m interval, 0.5m away from the outlets at both ends of the cable duct, and at the turning points.

③ The spacing between the fixed points at the bottom of the plastic cable trough should generally be 1m.

● When laying cables, if a raised floor is used, the clearance inside the raised floor should be 150 to 300 mm.

● When common columns are used as ceiling support columns, cables can be laid in the columns.

● The grounding of metal cable ducts should comply with the design requirements.

● Fire prevention measures should be taken when metal cable troughs and cable bridges pass through walls or floors.

(7) The laying and protection requirements for trunk subsystem cables are:

① Cables shall not be laid in elevators or water supply, gas supply, heating pipeline shafts, nor in high-voltage shafts.

② The trunk channels should be connected.

(8) The laying and protection methods of cables in building complex subsystems should comply with design requirements.

5. Cable termination inspection

(1) Cable terminations should meet the following requirements

① Before terminating the cable, check whether the cable identification content is correct.

② No joints are allowed in the middle of the cable.

③ The cable termination point must be firm and have good contact.

④ Cable terminations should comply with design and construction operating procedures.

⑤ When connecting twisted pair cables to connectors, the wire numbers and wire position color codes must be identified and must not be reversed or connected incorrectly.

(2) The termination of twisted pair cable core wires shall meet the following requirements

During termination, each twisted pair should remain in a twisted state, and the loosened length for Category 5 cables should not be greater than 13mm.

(3) The termination of the optical cable core wire shall meet the following requirements:

① Fiber optic connection boxes should be used to connect and protect optical fibers, and the bending radius of the optical fibers in the connection boxes should meet the requirements of the installation process.

② The fiber optic fusion joints should be protected and fixed, and connectors should be used to facilitate fiber optic jumpering.

③ The panel of the fiber optic connection box should be marked.

④ The optical fiber connection loss value shall comply with the provisions shown in Table 9.3.

(4) The termination of various jumpers shall meet the following requirements:

① The contact between various jumper cables and connectors should be good, the wiring should be correct, and the markings should be complete. The type of jumper selected should meet the system design requirements.

② The length of various jumpers should meet the design requirements. Generally, the length of twisted cable jumpers should not exceed 5m, and the length of optical cable jumpers should not exceed 10m.

6. Engineering electrical testing

⑴ The electrical test of the integrated wiring project includes the electrical performance test of the cable system and the performance test of the optical fiber system, among which the cable system test content is basic test items and optional test items. Each test should be recorded in detail as part of the completion technical documents.

⑵ The electrical performance tester shall meet the requirements shown in Table 9.4 according to the second-level accuracy.

⑶ The field tester should be able to test Category 3 and Category 5 twisted pair cable wiring systems and optical fiber links.

⑷ The test instrument should have an output port to output all stored test data to a computer and printer for maintenance and document management.

⑸ Cable and optical cable testing instruments should have a certificate of conformity and a measurement certificate.

7. Acceptance of various documents

Document acceptance mainly checks whether Party B has delivered the required documents according to the requirements of the agreement or contract. The completion technical data documents of the integrated wiring system project must ensure quality, be neat in appearance, complete in content, and accurate in data, mainly including the following contents:

⑴ The main installation work volume of the integrated wiring system project, such as the cable specifications and length of the trunk wiring, the specifications and quantity of the installed floor distribution frames, etc.

⑵ During the installation and construction, construction instructions for some important parts or key sections, such as the division and capacity of their connection terminals when the building complex distribution frame and the building distribution frame are used together.

⑶ A detailed list of the quantity of equipment, racks and main components, that is, a separate count of the equipment, racks and main components used in the entire project, clearly listing their models, specifications, programs and quantities.

(4) When there are minor changes to the construction shed, the original engineering design drawings can be used for modification and supplementation, and there is no need to re-make the completion drawings. However, if there are major changes during construction, another completion drawing should be made.

⑸ Test records of various technical indicators and technical requirements in the integrated wiring system project, such as the main electrical performance of the cable, the optical transmission characteristics of the optical cable and other test data.

⑹ Original records such as the visa approved by the engineering supervisor for concealed works such as direct buried cables or underground cable ducts, and the certificate issued by the resident site representative or engineering supervisor after on-site inspection at the end of the equipment installation and cable laying process.

⑺ If microcomputer-aided design is used in the integrated wiring system project, program design instructions and relevant data, as well as operating instructions, user manuals and other documentation should be provided.

⑻ During the construction process, if the original design is partially changed or modified or relevant technical measures are taken due to various objective factors, the consultation records of these changes between the construction, design and construction units, as well as basic information such as inspection records during construction should be provided.

8. Timing of inspection and acceptance work

During the construction of the integrated wiring project, inspection and acceptance work should be carried out throughout the process to ensure that unqualified items can be discovered in time, the causes can be found out as soon as possible, responsibilities can be clarified, solutions can be proposed, and serious losses can be avoided. For the entire integrated wiring project, the content and items shown in Table 9.5 should be inspected.

Table 9.5 Inspection items and contents of integrated wiring system engineering

stage	Acceptance Project	Acceptance content	Acceptance method
1. Before construction	1. Environmental requirements	(1) Land construction conditions: ground, walls, doors, power sockets and grounding devices; (2) Civil engineering technology: machine room area, reserved holes; (3) Construction power supply; (4) Floor laying	Pre-construction inspection
	2. Equipment inspection	(1) Appearance; (2) Model, specification, quantity; (3) Cable electrical performance; (4) Optical fiber characteristics	Pre-construction inspection
	3. Safety and fire protection requirements	(1) Firefighting equipment; (2) Storage of hazardous materials; (3) Fire prevention measures for reserved holes	Pre-construction inspection
2. Equipment Installation	1. Management room, equipment room, equipment cabinets and racks	(1) Specifications and appearance; (2) Verticality and horizontality of installation; (3) Paint must not fall off; (4) All screws must be tightened; (5) Anti-seismic reinforcement measures; (6) Grounding measures	On-the-job inspection
	2. Wiring components and 8-position modular universal socket	(1) Specifications, location, and quality; (2) All screws must be tightened; (3) All markings must be complete; (4) Installation must comply with process requirements; (5) Shielding must be reliably connected	On-the-job inspection
3. Laying of electrical and optical cables (inside the building)	1. Cable tray and cable duct layout	(1) The installation position is correct; (2) The installation complies with the process requirements; (3) The cable laying process requirements are met; (4) The grounding is	On-the-job inspection
	2. Concealed laying of cables (including concealed pipes, cable troughs, floors, etc.)	(1) Cable specifications, routing, and location; (2) Compliance with cable laying process requirements; (3) Grounding	Concealed works visa
4. Laying of electrical and optical cables (between buildings)	1. Overhead cables	(1) Specifications, installation location and installation specifications of the suspension wire; (2) Verticality of the suspension wire; (3) Specifications of the cable ; (4) Interval between the clamps and hangers; (5) Whether the cable introduction meets the process requirements	On-the-job inspection
	2. Pipeline cable	(1) The location of the pipe holes used; (2) The cable specifications; (3) The cable orientation; (4) The quality of the cable protection facilities installed	Concealed works visa
	3. Buried cables	(1) Cable specifications; (2) Laying location and depth; (3) Quality of cable protection facilities; (4) Quality of soil compaction	Concealed works visa
	4. Tunnel cable	(1) Cable specifications; (2) Installation location and routing; (3) Civil engineering design meets process requirements	Concealed works visa
	5. Others	(1) The distance between the communication line and other facilities; (2) The quality of the installation and construction of the incoming line room	On-site inspection or concealed engineering visa

9.3.3 Principles for acceptance of integrated wiring projects

(1) The integrated wiring system project should be accepted in accordance with the link performance requirements specified in "Building Communication Integrated Wiring System Part 1: General Specifications" (YD/T926.1-1997).

(2) The content and methods of the project completion acceptance items should be implemented in accordance with the provisions of the "Code for Acceptance of Integrated Cabling System Projects for Buildings and Building Complexes" (GB/T50312-2000).

(3) The electrical performance acceptance test of the cable link of the integrated wiring system should be carried out in accordance with the provisions of the "General Test Method for Electrical Characteristics of Integrated Wiring Systems" (YD/T1013-1999).

(4) In addition to complying with the above-mentioned specifications, the acceptance of the integrated wiring system project should also comply with the relevant provisions of my country's current "Local Network Communication Line Project Acceptance Specifications" (YD5051-1997) and "Communication Pipeline Project Construction and Acceptance Technical Specifications" (YDJ39-1997).

(5) During the construction and acceptance of the integrated wiring system, if technical indicators and technical requirements not included in the above specifications are encountered, in order to ensure acceptance, they can be handled in accordance with the requirements of relevant design specifications and design documents.

(6) As there are still many technical issues in the integrated wiring system project that need further research, some standard contents have not yet been perfected and will be further revised or supplemented as the integrated wiring system technology develops.

9.4 Evaluation of Integrated Cabling Project

9.4.1. Materials for the appraisal meeting

Before holding the appraisal meeting, Party B (Construction Party) must prepare the following materials for the appraisal meeting:

⑴ Network integrated cabling project construction report;

⑵ Network integrated wiring project test report;

⑶ Network integrated wiring project data review report;

⑷ User opinion report on network integrated wiring project;

⑸ Network integrated cabling project acceptance report.

1. Integrated wiring project construction report

Content: Mainly introduces the characteristics of the project and the overall situation of design, construction and quality assurance.

(1) Project Overview: The project contractor and implementation company; the project start time and schedule; and the determination and review of the project plan.

(2) Engineering design and implementation

1) Design goals and guiding principles

Briefly introduce the design objectives of the project, the corresponding technical solutions and the basis for the selection of the solutions. For example, the design objective of the project is to build an infrastructure that can realize resource sharing within a unit, and adopt the networking technology of Fast Ethernet.

2) Design and implementation of building structured cabling

This chapter introduces the buildings involved in the cabling project, the setup of the network management center, and the connection media and technology between the network management center and the buildings.

3) The design requires an introduction to the network topology, cable types, pipeline technology and materials used, etc.

4) Implement and introduce the wiring system structure between buildings, the number of information points in each building, the number of installed information sockets, etc.

5) Cabling quality and testing.

Introduce means of ensuring quality, such as timely communication with users; visas from supervisors for concealed projects; quality testing of network user points and related lines, etc.

6) Use the selected test tools to test the wiring, check whether the test results are qualified, and give a test result report.

(3) Project characteristics mainly describe the characteristics of the project from the perspective of system advancement, scalability and manageability.

(4) Project Documentation: Details of the documents provided by the project contractor to the user.

(5) Conclusion: Summary of experience and thanks to relevant assisting personnel.

2. Integrated wiring project test report

It mainly introduces the test content, including material selection, construction quality, technical parameters of each information point, etc.

1) Wire inspection.

It mainly introduces the specifications and standards of materials (copper cables, optical cables, information sockets), such as the use of unshielded Category 5 twisted pair cables that comply with ANSI/TIA/EIA 568-D standards, and optical fiber cables that comply with 100Bas-FX, ANSI/TIA/EIA568-B, IEEE 802 and IEC standards.

2) Check the bridge and cable duct.

Whether the metal bridge and exposed cable duct are beautiful and stable, whether the wiring position is reasonable, whether the construction process affects the overall structure of the building, etc.

3) Information point parameter test: Introduce the selected test instruments and test parameters, and provide test records.

4) Draw conclusions on whether the wiring project meets the design requirements and whether it can be delivered for use.

3. Comprehensive wiring project data review report

The report should list the details of the engineering and technical data provided by the construction party to the user, and determine whether the data is detailed and complete; at the same time, there should be a list of members of the data review team and their signatures.

4. User trial opinions on integrated wiring project

User trial opinions are the preliminary conclusions drawn by users after trial use, including whether the system is reasonably designed, whether the performance is reliable, whether it is practical and safe, whether it can meet the user's requirements for the system, etc., and are signed by the user.

5. Integrated wiring project acceptance report

This report mainly gives the composition of the acceptance team and the acceptance opinions given by the acceptance team after reviewing the materials and conducting on-site inspections.

The evaluation can be made from the following aspects: the scale of the engineering system; the advancement of engineering technology and the rationality of design; whether the construction quality meets the design standards; whether the documentation is complete. Finally, a conclusion on whether the project has passed the acceptance should be given, and the list of members of the project acceptance team and their signatures should be attached.

9.4.2 Appraisal Meeting

1. Preparation before the appraisal meeting

Experts hired for the appraisal meeting should generally have senior professional and technical titles, rich theoretical knowledge and practical experience, and good professional ethics. Ten days before the appraisal meeting, the notice of the appraisal meeting and a full set of technical information should be sent or delivered to the experts who are invited to participate in the appraisal work. Do not send information temporarily when the appraisal meeting is held. If on-site testing is required, the test group experts must complete the testing work before the appraisal meeting and write a test report, which must be signed by the test group experts.

The organizer of the appraisal meeting should make good preparations for the meeting. The presiding appraisal unit and the director and deputy director of the appraisal committee should hold a preparatory meeting before the appraisal meeting to listen to the report of the unit that completed the results on the preparations for the appraisal meeting and discuss the specific agenda of the meeting.

2. General procedures of the appraisal meeting

1) The person in charge of the appraisal unit shall announce the start of the appraisal meeting, read out the appraisal approval document, announce the list of the appraisal committee, report the number of experts attending the appraisal meeting, and announce that the technical appraisal will be presided over by the director or deputy director of the appraisal committee.

2) Under the chairmanship of the director of the appraisal committee, the units that completed the achievements, the expert testing group, the user units, etc. shall make summary reports, technical research reports, testing reports, and application reports respectively.

3) Experts conduct on-site inspections or watch demonstrations.

4) Experts question.

Experts raise questions based on the appraisal materials they have reviewed, reports they have heard, on-site inspections or demonstrations they have watched, etc. The unit that has completed the achievement must answer the questions raised by the experts truthfully and produce the required original technical data.

5) Expert review.

A back-to-back review will be conducted, with all personnel from the unit that completed the achievement recusing themselves. The appraisal committee will conduct an independent review. The organizing and hosting appraisal units may send 1-2 representatives to attend the meeting to understand the expert review, but they may not make any evaluative opinions on the achievements being appraised.

The evaluation of the appraisal committee includes: whether the indicators required by the contract or plan task book have been met; whether the technical information is complete and in compliance with the regulations; the creativity, advancement and maturity of the applied technical results; the application value and conditions and prospects for promotion; existing problems and suggestions for improvement. When evaluating, the overall performance and level evaluation must have comparable objects.

According to the review, the appraisal opinions shall be drafted by the appraisal committee members designated by the appraisal committee, and cannot be drafted by other people. Appraisal opinions that do not clearly state "existing problems" and "improvement suggestions" shall be deemed invalid, and the organization or host of the appraisal shall return them for re-appraisal and make corrections.

Experts participating in the appraisal meeting and persons attending the meeting shall not disclose the review results, especially the different opinions during the discussion, to any outside party for any reason.

6) After the appraisal opinion is formed, the appraisal committee signs in the original appraisal opinion and the "Appraisal Committee Signature Table" column in the "Appraisal Certificate". Committee members who disagree with the appraisal opinion have the right to refuse to sign. The original opinion signed by the expert and the on-site test report shall be archived by the unit that organized the expert appraisal and stored on a disk, and a copy shall be submitted to the unit that completed the results for filling in the "Appraisal Certificate".

If the appraisal fails after review by the appraisal committee, the appraisal committee shall formally issue a written reason for failure. After review by the organizing appraisal unit, the unit that completed the results shall be notified and reported to its competent department, and the written reason shall be stored on disk for archiving.

If the organization organizing the appraisal or the organization presiding over the appraisal finds that the appraisal opinion does not comply with the provisions of the "Appraisal Certificate" and relevant regulations, it should point this out to the appraisal committee in a timely manner and instruct the appraisal committee to make corrections.

7) After the appraisal opinion is formed, the appraisal unit or the leader of the appraisal unit will preside over the meeting. The director or deputy director of the appraisal committee will announce the appraisal opinion at the appraisal meeting, and the relevant leaders will give speeches. The appraisal meeting ends.

3. Archiving of appraisal meeting materials

After the acceptance and appraisal meeting, the document materials delivered by Party B (construction party), the materials used, the appraisal opinion, etc. shall be handed over to the relevant department of Party A (user party) for archiving.

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