Insight needed on correct procedure for Railway Alignment design, survey, and alignment fixing (incl Topographical survey)

Question for the experts:

During Railway alignment design and topographical survey for 260km long rail corridor , I came across a process where a survey company followed the below procedure

1. Established DGPS Stations every 5 km using whole to part co

Rail Way Alignment Survey in KSA

Rail Way Alignment Survey in KSA (2400 kilometer project)

how can i solve this problem?

Hi guys some question hope you can help me. what if i have only one known benchmark and this bench mark is oriented and approved by the municipality how can i use this with out any other known back sight.and perform a correct topographic survey? so i

SOOKI GeoMoni

A very efficient surveying system for offshore pile driving developed by a japanese company, SOOKI. 

TPES Super Surveyor -Pile Driving. A program I developed for Pile Driving As-Built.