Mohammad Salem
  • Kabul
  • Afghanistan
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Standard Symbols for site facilities

Started this discussion. Last reply by ⚡Survenator⌁ Jan 28. 1 Reply

Hi There!I am searching for some objects standard symbol in the site, I would be glad if any one help me in this way, structure electric pole(Rectangular shape as picture below), sign boards standard…Read more →

Tags: objects, block, facilities, site, symbols

Survey Data Miss match

Started this discussion. Last reply by TUHIN MUKHERJEE Sep 4, 2018. 4 Replies

Hey Surveyors!I have surveyed a land about km square with complected details(roads, streets, buildings, T-Walls, Manholes, Corners etc) but with no traverse extension at the first, now when i have…Read more →

Tags: mismatch, data, Survey

survey mismatches,

Started this discussion. Last reply by Mohammad Salem Aug 5, 2018. 4 Replies

hello every body,i have measured three times a traverse for a land of area of about 0.5km sequre but for every time the BMs come different from the other one, while during measurements the accuracy…Read more →

Tags: closer, traverse

TS11 work procedure

Started this discussion. Last reply by ⚡Survenator⌁ Aug 2, 2018. 1 Reply

hey guys!any one here to describe with fully the total station lieca TS11 setup and surveying procedure?BesRead more →

Tags: setup, TS11

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⚡Survenator⌁ replied to Mohammad Salem's discussion Standard Symbols for site facilities
"Video: MAP SYMBOLS Explained Video: Understanding MAP SYMBOLS Added by Matthew M Filus at 9:29pm on January 6, 2012 Video: Understanding MAP SYMBOLS re your favorite web based maps on the map share group…"
Jan 28
Mohammad Salem posted a discussion

Standard Symbols for site facilities

Hi There!I am searching for some objects standard symbol in the site, I would be glad if any one help me in this way, structure electric pole(Rectangular shape as picture below), sign boards standard symbol( beside the road) and Mosaic path standard hatch, earthy area hatch, bullets block standard symbol (steel sticks installed commonly along the roads to block the traffic. Best. …See More
Jan 27
TUHIN MUKHERJEE replied to Mohammad Salem's discussion Survey Data Miss match
"Survey,s main things whole to the part,not part to the whole.Since you have started survey work with out traversing and vast area so traverse has not closed.If you do traversing this problem will not happen.If some error will occur so we can…"
Sep 4, 2018
James Ranke replied to Mohammad Salem's discussion Survey Data Miss match
"Need to check your glass it sounds like a prism offset setting is not properly set in the EDM. Do a peg test: Setup 3 Tripods with Tribrachs in a straight line about 50 meters apart.   1 -  2  - 3 Set Instrument on 1 measure…"
Aug 12, 2018
Mohammad Salem replied to Mohammad Salem's discussion Survey Data Miss match
"dear James Ranke, But i have done it by 2 different total stations, the same problem the one survey of traverse does not match to the next one exactly, Best."
Aug 12, 2018
James Ranke replied to Mohammad Salem's discussion Survey Data Miss match
"First check the culmination of the instruments and run the calibration routine. Check EDM ppm and prism offset settings. Check optical plumbs on all tribrachs Check level bubbles on instrument tribrachs and rods Run 3 tripod peg test on the…"
Aug 9, 2018
Mohammad Salem posted a discussion

Survey Data Miss match

Hey Surveyors!I have surveyed a land about km square with complected details(roads, streets, buildings, T-Walls, Manholes, Corners etc) but with no traverse extension at the first, now when i have completed it and reached to the first area I was starting from and measuring with the data come from extension of change points in the site show me the errors in horizontal distance, EX: measuring the corner of a building which was measured at the first too,  give me the error of 10cm-even 90cmany…See More
Aug 9, 2018
Mohammad Salem replied to Mohammad Salem's discussion Survey Data Miss match in the group Leica Support Group
"2 squire KM of area"
Aug 9, 2018
Mohammad Salem added a discussion to the group Leica Support Group
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Survey Data Miss match

Hey Surveyors!I have surveyed a land about km square with complected details(roads, streets, buildings, T-Walls, Manholes, Corners etc) but with no traverse extension at the first, now when i have completed it and reached to the first area I was starting from and measuring with the data come from extension of change points in the site show me the errors in horizontal distance, EX: measuring the corner of a building which was measured at the first too,  give me the error of 10cm-even 90cmany…See More
Aug 9, 2018
Mohammad Salem joined Jaybird's group
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Leica Support Group

This group is for LSU members who use Leica Instruments in the field. This group is for discussions and tutorials related to Leica user. LSU is not directly affiliated with Leica and all logos and imagery are copyright of their respective owners.See More
Aug 9, 2018
Mohammad Salem replied to Mohammad Salem's discussion survey mismatches,
"Thanks Alexander Montgomery, the lengths of our traverse about 1.3km we are working with total station TS11,"
Aug 5, 2018
Kevin D. Allen replied to Mohammad Salem's discussion survey mismatches,
"Hi Mohammad, If you are getting 2 or 3mm on your horizontal, what error are you getting on your vertical?  at 0.5 km square your site isn't all that large.   I would do a double run and use the 3-wire method if you are using an…"
Aug 2, 2018
Alexander Montgomery replied to Mohammad Salem's discussion survey mismatches,
"What Equipment are you using?. Are you measuring set of angles and distances?. What are the lengths of your traverse?.  All equipment manufacturers give you the specs for the equipment and the accuracy of the distance measurements (probably…"
Aug 2, 2018

Seeking Employment
Maurice Heter replied to Mohammad Salem's discussion survey mismatches,
"Not right now."
Aug 2, 2018
⚡Survenator⌁ replied to Mohammad Salem's discussion TS11 work procedure
"This question really belongs in the Leica Support Group but while we're here there is a video and manuals for Leica Viva TS11 attached... hope this helps.."
Aug 2, 2018
Mohammad Salem posted discussions
Aug 2, 2018

Profile Information

I am here because I am a.
Surveyor
Surveyor Bio:
I have Bsc in Land survey engineering and, I like to improve my knowledge related to Land survey .
Company
AKTC
Location for Member Map
Kabul
Licenses Certifications or Awards
GIS, AutoCAD, AutoCAD Civil3D...
I have experience with the following
GPS, cadastral, topographic, boundary surveys, topographic surveys, GIS
How many years have you been surveying?
3
Most comfortable with the following types of instrumentation
Total Stations, GPS, Surveying Software, Automatic Levels, theodolite, compass

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At 11:36am on November 22, 2017, Allan Pringle said…

Hi Mohammad. Afraid there is no way to bring the two data sets together.

The Garmin Handy is a pretty useful piece of kit, when used as intended, but even with WAAS enabled and differential corrections being applied, can only give +/-10ft accuracy at best.

Afraid will need to revisit the BMs already established with survey grade GPS.

 
 
 

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