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Blog Entry# 3670754
Posted: Jul 30 2018 (10:17)

10 Responses
Last Response: Jan 12 (18:27)
Info Update
Jul 30 2018 (10:17)  

16591🔹Hampi Express🔹16592^~   9214 blog posts   2962 correct pred (93% accurate)
Entry# 3670754            Tags   Past Edits
1) Traffic survey
Traffic survey includes a detailed study of the traffic conditions in the area.
Traffic surveys are normally undertaken in conjunction with reconnaissance or preliminary engineering surveys so that the technical feasibility and relative costs of alternative proposals can be formulated. The traffic survey team should work in close cooperation with the engineering survey team. The survey team should visit all trade centres in the area and consult local bodies, state governments, and prominent citizens regarding trade and industry and propose the most suitable alignment for the new line.
traffic survey team should make an assessment of the traffic likely to be carried by to the new line. While carrying out the survey, details of traffic likely to be offered by various government organizations, public bodies, or private enterprises should be gathered.
At the end of the survey, a report should be formulated by the officer-in-charge of the survey. The formation of the report is governed largely by the nature of the terms of reference and the investigations made. The traffic survey report should normally contain the following information:
(a) History of the proposal and terms of reference
(b) General description
(c) Potentials and prospects
(d) Industrial and economic development and traffic projections
(e) Population projection and volume of passenger traffic
(f) Existing rates and rates to be charged
(g) Location of route or routes examined, alternate routes, and possible extensions
(h) Station sites and their importance
(i) Train services, section capacity, and various alternative ways of increasing capacity
(j) Coaching earnings
(k) Goods earnings
(l) Working expenses and net receipts
(m) Engineering features
(n) Telecommunication facilities
(o) Financial appraisal
(p) Conclusions and recommendations
Source: click here

Jul 30 2018 (10:32)
16591🔹Hampi Express🔹16592^~   9214 blog posts   2962 correct pred (93% accurate)
Re# 3670754-1            Tags   Past Edits
2) Reconnaissance survey
This survey consists of a rapid and rough investigation of the area with a view to determine the technical feasibility of the proposal as well as the rough cost of one or more alternatives to the new line. The reconnaissance survey (RECCE) is normally based on contoured survey maps and other data already available without carrying out detailed investigations in the field. With the help of the maps, different alternative alignments of the new line are studied.
The general topography of the country is studied by the survey team and
then field data are collected.
2.1) Survey Instruments
The reconnaissance survey is mostly conducted using survey instruments that rapidly measure approximate distances and heights. Prismatic compass, Aneroid barometer, Abney level or hand level or clinometer, Binocular, Pedometer are the survey instruments used.
2.2) Modern Surveying Instruments and Techniques
Modern surveying instruments make extensive use of infrared beams, laser beams, as well as computers. Using these instruments, it is possible to carry out fairly accurate surveying efficiently at all times, eliminating human error.
2.3) Field Data
The following field data are collected during the reconnaissance survey.
(a) General topography of the country
(b) Approximate heights of the different points falling on the alignment
(c) Positions of rivers, streams, and some hydrological details of the same
(d) Positions of roads and highways
(e) Nature of soil at different places
(f) Rough location of various station sites
(g) Controlling points on the alignment, through which the railway line must pass
(h) Facilities for construction
2.4) Project Report for Reconnaissance Survey
Based on the above data, a report should be prepared by the engineer in charge of the project bringing out clearly from the financial point of view whether or not the prospects of the line surveyed are such as to make it worthwhile to undertake further investigations to construct the line. The project report should be accompanied by an abstract estimate of the cost of the line.
The report and estimate should be accompanied by a map of the area on a scale of 20 km to 1 cm and an index map of 2.5 km to 1 cm.
Source: click here

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