DPV, thanks for the answer, but the PP is needed for the communication section of the regulation 87 with the subheadings:
The subsection "Communication networks" of section 5 should contain:
in the text part
1. Information about the capacity of the object’s connected communication network capital construction To
2. Characteristics of the designed structures and communication lines, including linear
cable, - for industrial facilities.
3. Characteristics of the composition and structure of structures and communication lines.
4. Information on technical, economic and information conditions for joining
communication networks public use.
5. Justification of the method by which communications network connections are established (on
local, intrazonal and intercity levels).
6. Location of connection points and technical parameters at connection points of communication networks.
7. Justification of traffic accounting methods.
8. List of measures to ensure interaction between management systems and technical operation, including justification of the method of organizing interaction between control centers of the connected communication network and the public communication network, interaction of synchronization systems.
9. List of measures to ensure the sustainable functioning of communication networks, including
including in emergency situations.
10. Description technical solutions on information protection (if necessary).
11. Characteristics and justification of the adopted technical solutions in relation to
technological communication networks designed to support production activities at a capital construction site, control technological production processes (internal communication system, clock connection, radio connection (including local warning systems in areas where potentially hazardous objects are located), television monitoring systems technological processes and security television surveillance) - for industrial facilities.
12. Description of the intercom system, clock, radio, television - for
non-production objects.
13. Justification of the switching equipment used, which allows accounting of outgoing traffic at all connection levels.
14. Characteristics of the adopted local computer network (if any) - for industrial facilities.
15. Justification of the selected communication line route to the established one technical specifications point of connection, including overhead and underground sections. Determination of the boundaries of security zones of communication lines, based on special conditions of use.
in the graphic part
p) circuit diagrams communication networks, local area networks (if available) and
other low-current networks at a capital construction site.
c) plans for the placement of terminal equipment, other technical, radio-electronic
means and high-frequency devices (if available).
r) communication network plan.
The essence of the request was to write in these subparagraphs what the experts want to see. The facility itself is a modern communications center.
typically accounts for 10 to 25 percent of all outdoor communications network designs. The design and engineering company V-GRAND is engaged in the design of external communication systems that are necessary at any facility under construction. Our specialists can quickly and efficiently develop and create a project. External networks in accordance with all government regulations and standards.
Development of a project for external communication networks
All external networks are divided into two types: on-site and external engineering.
When creating a project for two types of external networks, two different contractors are usually involved. The V-GRAND company will undertake the work on site research, development and creation of project documentation.
Communication systems are communications through which facilities for various purposes can provide access to electronic communication systems and other networks. To develop a system design, specialists collect data. Which are necessary for subsequent design.
Our company’s specialists also perform such work as: .
V-GRAND company designers make terms of reference, and then the decision on the design of external networks. The documentation contains requirements for the operation of the network and its technical specifications, security levels, etc.
The data obtained helps our specialists develop all the necessary requirements. Network equipment and purchased materials that will be used for communications installations.
The documentation must also contain information about the expected development of the created outdoor system. It contains information about the placement of all communication networks, as well as its individual elements at the facility under construction.
Specialists when creating a project for laying utility networks. Develop diagrams and drawings of the area where the entire external engineering network will be located. Since they are long, they can pass through neighboring areas. Land owners must give permission for cables to be laid on their land. All information about the area must have topographical and geological information. Which will affect the future route of external communications.
Please note: .
8. Cable duct project
The cable duct project, unlike the backbone and distribution network, is carried out at stage II. This is due to the fact that it is not economically feasible to open the street covers and report required quantity pipes during the development of the network to stage II.
1) Let us mark the boundaries of the district and blocks on the diagram. Let us designate the installation location of RATS-3. Let us designate the places of supply of SL from RATS-1, RATS-2, AMTS and AL from UA. Let us designate the installation location of the UPBX. Let us designate the installation locations of all RS (without indicating the boxes in them).
2) We will design the routes of the main and interstation cable ducts (i.e. from all RS, places of supply of lines from other RATS and AL from UA to the designed RATS-3). Let's put them on the diagram in the form of the corresponding symbol.
When the capacity of RATS-3 is less than 10 thousand numbers, the CC route is supplied to the station from one side. When the capacity of RATS-3 is 10 thousand numbers or more (as in our case), the routes are brought to the station from both sides at an angle of 90 ° and are connected to each other by backup channels.
3) We indicate on the diagram the installation locations of branching, corner, cabinet and walk-through cable ducts.
4) Let us designate the sections of the cable duct, indicate on the diagram the section number, the number of channels and the length of the section. For designation, an arrow is used, which is placed at the far (relative to RATS-3) end of the section and is directed towards its beginning. The site number is indicated above the arrow. The length of the section is opposite the arrow or below the line indicating the cable route. The number of channels is under the arrow.
The number of channels in each section is determined as a result of subsequent calculations.
The sequence of numbering of sections is chosen arbitrarily.
The lengths of the sections are determined directly from the diagram, taking into account the scale.
5) Let us determine in tabular form for each section the required number of channels, the number of pipes (in channel-kilometers), the number and type of KK wells.
The number of main channels is determined by the ratio rounded to a larger integer
where N II MP is the number of pairs in the main cable passing through a given section;
N MP/channel - the number of trunk pairs per channel, depending on the capacity of RATS-3 at stage II and determined from the table.
Table 8.1 - Dependence of the number of trunk pairs per channel on the capacity of RATS-3
Capacity RATS-3 | £3k | £5k | £7k | £8k | > 8 thousand |
Number of trunk pairs per channel | 300 | 350 | 400 | 450 | 500 |
The inconvenience of calculating the number of main channels KK is that the design backbone network was carried out according to stage I, and the cable duct is designed according to stage II. Therefore, you cannot directly use the backbone network diagram. It is necessary to take into account what capacity the trunk cables will have at stage II (N II MP/RSh).
The number of wells for various purposes in a given area is determined directly from the cable duct diagram.
The type of well in a given area is determined based on the maximum possible number of channels introduced into a well of this type.
Table 8.2 - Maximum number of channels introduced into wells
Well type | Maximum number of channels | Well type | Maximum number of channels | |
KKS-1 | 1 | KKS-5 | 24 | |
KKS-2 | 2 | KKSS-1 | 36 | |
KKS-3 | 6 | KKSS-2 | 48 | |
KKS-4 | 12 |
6) On the cable duct diagram we indicate the types of wells specific for each section.
7) Let us determine the required number of channels, pipes, number and type of KK wells for the cable duct scheme. Capacity of RATS-3 = 14 thousand numbers.
For a given RATS-3 capacity, taking into account the data in Table 12.1, N mp/channel = 500.
For sections with a main cable capacity of 500´2 (5th, 30th, 12th, etc.), the number of main channels according to formula (8.1): N channel = 500: 500=1.
For sections with a main cable capacity of 1000´2 (6th, 10th, etc.), the number of main channels according to formula (8.1): N channel = 1000: 500 = 2.
For sections where the subscriber cable runs from the TZG type UA (26th, 25th, etc.), we provide one main channel, regardless of the presence of other subscriber cables.
For sections where interstation cables of the OKL type pass (9th, 10th, 11th, etc.), regardless of their number, we accept the number of channels for connecting lines as equal to 2.
For sections where the inter-office cable from UPBX type TPPep-10´2 (25th, 20th, etc.) passes, regardless of the presence of other inter-office cables, we use one channel for connecting lines.
The number of distribution, spare and special-purpose channels is taken equal to 1 for all sections.
Table 8.3
Plot number | Section length, m | Cable brand | Projected number of channels | Number of pipes, | Number of wells type | |||||||
Mag. | Ras. | SL | Zap. | S/N | Total | kan×km | KKS-3 | KKS-4 | KKS-5 | |||
1 | 380 | OKL | - | 1 | 1 | 1 | 1 | 4 | 1,52 | 3 | - | - |
2 | 80 | TPPep-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,32 | 1 | - | - |
3 | 80 | TPPep-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,32 | 1 | - | - |
4 | 80 | TPPep-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,32 | 1 | - | - |
5 | 80 | TPPep-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,32 | 1 | - | - |
6 | 320 | TPPep-1000´2 | 2 | 1 | - | 1 | 1 | 5 | 1,6 | 3 | - | - |
7 | 90 | TPPep-1000´2 TPPep-1000´2 | 22 | 1- | -- | 1- | 1- | 7 | 0,63 | - | 1 | - |
8 | 670 | TPPep-1000´2ТPPep-1000´2ОКЛ | 1 | 1 | 8 | 5,36 | - | 6 | - | |||
9 | 280 | OKL | - | 1 | 1 | 1 | 1 | 4 | 1,12 | 3 | - | - |
10 | 330 | 6 | 1,98 | 3 | - | - | ||||||
11 | 170 | 8 | 1,36 | - | 2 | - | ||||||
12 | 70 | TPPep-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,28 | 1 | - | - |
13 | 70 | TPPep-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,28 | 1 | - | - |
14 | 70 | TPPep-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,28 | 1 | - | - |
15 | 70 | TPPep-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,28 | 1 | - | - |
16 | 70 | TPPep-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,28 | 1 | - | - |
17 | 500 | TPPep-1000´2 TPPep-1000´2 TPPep-500´2 | 9 | 4,5 | - | 4 | - | |||||
18 | 80 | TPPep-1000´2 TPPep-1000´2 TPPep-1000´2 | 10 | 0,8 | - | 1 | - | |||||
19 | 70 | TPPep-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,28 | 1 | - | - |
20 | 400 | TPPep-1000´2 TPPep-1000´2 TPPep-1000´2 TPPep-1000´2 TPPep-10´2 | 13 | 5,2 | - | - | 3 | |||||
21 | 70 | TPP-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,28 | 1 | - | - |
22 | 100 | 7 | 0,7 | - | 1 | - | ||||||
23 | 500 | 6 | 3,0 | 4 | - | - | ||||||
24 | 70 | TPP-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,28 | 1 | - | - |
25 | 290 | TPPep-10´2 | 5 | 1,45 | 3 | - | - | |||||
26 | 200 | TZG | 1 | 1 | - | 1 | 1 | 4 | 0,8 | 1 | - | - |
27 | 80 | TPPep-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,32 | 1 | - | - |
28 | 80 | TPPep-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,32 | 1 | - | - |
29 | 80 | TPPep-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,32 | 1 | - | - |
30 | 80 | TPPep-500´2 | 1 | 1 | - | 1 | 1 | 4 | 0,32 | 1 | - | - |
31 | 780 | TPPep-1000´2 TPPep-1000´2 | 7 | 4,68 | - | 6 | - | |||||
32 | 300 | TPPep-1000´2 | 2 | 1 | - | 1 | 1 | 5 | 1,5 | 2 | - | - |
33 | 340 | TPPep-1000´2 | 6 | 2,04 | 3 | - | - | |||||
34 | 300 |
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