- •For course design
- •3 Selection of route, type of cable and transmission systems
- •3.1 Short characteristic of terminal points
- •3.2 The choice of fiber optic transmission lines route
- •3.3 Selection and justification of optic fiber type
- •3.4 Selection and justification the construction and type of optical cable
- •3.5 Selection and justification of fiber optic transmission system
- •3.6 Control questions
- •4.2 Choice and substantiation of the type of optical fibers
- •4.3 Choice and substantiation of the optical cable
- •4.2 Choice and substantiation of the Fiber optic transmission system (fots)
- •5 Calculation of optical properties of fibers and parameters of cable transfer
- •5.1 Determination of optical fiber parameters
- •5.2 Determination of losses in optical fiber
- •5.3 Calculation of running dispersion of the signal in single mode optical fiber
- •6 Calculation of regeneration length of optical fiber transmission lines, chart of energy levels
- •6.1 Calculation of the length of the regeneration section by attenuation
- •6.2 Calculate the length of the regeneration section by dispersion
- •6.3 Placement regeneration points along the route of focl
- •6.4 Constructing a chart levels of energy potential fots at the length of one area of regeneration
- •7 Protection of optical cable from the influence of external electromagnetic fields
- •Protection of optical cables from lightning strikes
- •Calculation of the dangerous effects of magnetic influences
- •Calculation of reliability of linear structures fots
- •9 Organization of works on construction and installation project lines. Budget and financial calculation of linear structures of focl
- •9.1 Organization of construction works
- •9.2 Budget and financial calculations
9.2 Budget and financial calculations
Budget and financial calculation consists of information and scope of work of the estimate (Table 9.2). Statement of scope of work is presented in Table. 9.1.
Table 9.2 - Estimates for linear structures FOCL
№
|
Name of work |
Units of measurement |
Quantity |
Cost of unit, грн. |
Total price, грн. |
1 |
2 |
3 |
4 |
5 |
6 |
|
Construction |
|
|
|
|
|
Construction work at the suburban area |
|
|
|
|
1 |
Development of trenches for laying cable by hand in soils 2 - 3 groups |
100 |
|
3470 |
|
2 |
Development of trenches for laying cable excavator in soil 2 - 3 groups |
100 |
|
5404 |
|
3 |
Development pits for socket manually in soil 2 - 3 groups |
100 |
|
4773 |
|
4 |
Development pits for measurement instrumentation columns manually in soils 2 - 4 groups |
100 |
|
5412 |
|
5 |
Filling trenches and pits by hand soil 1 - 3 groups |
100 |
|
1647 |
|
6 |
Filling trenches and pits bulldozer soil 1 - 3 groups |
100 |
|
898 |
|
7 |
Cable crossings and / roads and s / road punctures |
10м |
|
1460 |
|
8 |
Cable crossings and / roads and s / road directional drilling |
10м |
|
5234 |
|
9 |
Cable crossings over water obstacles directional drilling |
10м |
|
5234 |
|
|
Installation work |
|
|
|
|
10 |
Laying cable (tube) a cable in soil 2 - 3 groups |
км.каб |
|
9307 |
|
1 |
2 |
3 |
4 |
5 |
6 |
11 |
Laying cable (tube) into the prepared trench |
км.каб |
|
1200 |
|
12 |
Laying cables in existing cable ducts and projecting |
км.каб |
|
3900 |
|
13 |
Blown optical cable in the tube |
км.каб |
|
4500 |
|
14 |
Establishing measurement instrumentation columns |
шт. |
|
248 |
|
15 |
Installation of couplings in cable wells and pits |
шт. |
|
2636 |
|
|
INSTALLATION and test workof OF |
|
|
|
|
16 |
Measuring 8-optic cable reflectometer for cable ground before laying |
барабан |
|
1327 |
|
1 |
2 |
3 |
4 |
5 |
6 |
17 |
Measuring 8-optic cable Reflectometer for laying of each building length |
стр. длина |
|
1682 |
|
18 |
Installation of joints and measuring the damping joints reflectometer in two directions |
муфта |
|
2637 |
|
19 |
Measurement of optical parameters, 8-fiber OF with optical testers in two directions mounted station |
рег. дільн. |
|
1400 |
|
20 |
Cable ОКЛБг з 8 ОВ |
км |
|
9100 |
|
|
Total |
|
|
|
|
|
Planned savings |
% |
8 |
|
|
|
Total |
|
|
|
|
Determine the cost of construction of 100 km of the route:
, (9.1)
where С – estimated cost of cable lines;
– length
of the cable line, km.
Define the cost of a PTSP to 1 km route:
. (9.2)
