Precautions For Surveying and Leveling

• Bubble should be centered carefully and it should be re-checked continuously during survey.
• Tripod should be fixed at suitable height so that field officer can easily take the readings.
• Foot screws of the level should be fastened or tightened properly.
• Tripod legs should be properly adjusted in the ground soul. 
• Pass on necessary instructions to the rod man before starting the survey.
• Rod man should be directed before start of survey that rod should always be kept in state.
• Staff rod should be checked before conducting the survey,so that it may not cause error.
• Survey should be preferably conducted in the morning or in the evening.
• Bench Mark should be established at proper and permanent places and their elevation should be marked, if possible.
• Ground should be leveled before taking the readings at turning point/change point and reading should be taken very carefully.
• Level should be handled and shifted carefully.
• Data like acre number,square meter and station distance should be carefully written on the field book.
• Level set should be handled and shifted very carefully.
• Survey must be closed.
• Level set equipment should be carefully packed after completing survey.