Hi all, I am a surveying student from Sydney Australia.

 A project I am currently working on requires me to provide a sample of a maintenance schedule for a total station. I am not yet working in the industry and cannot find a relevant resource online I was wondering if some-one with abit of experience can point me in the right direction or provide an example that they may use or have used in the past.

Thanks in advance jack.

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Instrument edm's should be checked once a year on an NGS baseline. Levels I think twice a year. Equipment should be routinely checked by a party chief weekly or if it's taken any abuse. Tribracks should be cleans and checked every 6 months or so or if dropped by a rod man! Lol!

Surveying instruments, which include theodolites, levels, total stations, electronic measuring devices, and GPS receivers, are designed and constructed to provide years of reliable use. The shafts, spindles, pendulums, and electronics of precision instruments, although constructed for rugged field conditions, can be damaged by one careless act, or continued inattention to prescribed procedures for use, care, and adjustment of the instrument.

Each new instrument is furnished with an operator's manual. The manual contains a description of the instrument, specifications of its various components and capabilities, and applications. The manual also contains basic instructions for use of the instrument and describes recommended servicing and adjusting methods. The operator's manual should be kept with the instrument at all times. Each operator should thoroughly study the manual prior to use of the instrument, particularly whenever prescribed field adjustments are to be made. If the manual is lost, stolen, or damaged beyond use, a replacement copy should be obtained as soon as practicable.

The following general principles of care and servicing should be applied as a routine matter for all survey equipment and supplies:

  1. All equipment and tools should be kept as clean and dry as practicable, particularly if they are to be transported or stored for any length of time.
  2. Wooden surfaces should be wiped clean of caked mud or moisture prior to returning the equipment to the vehicle. The original painted or varnished surfaces should be repaired as often as needed to keep moisture from entering the wood.
  3. Metal surfaces should be cleaned and wiped as dry as practicable. A coat of light oil should be applied to tapes and the metal parts of tools to prevent rusting during storage. Excess oil should be wiped off.

Routine Care of Surveying Instruments

Before making the first set up of the day, visually inspect the instrument for cracks, bumps, and dents. Check the machined surfaces and the polished faces of the lenses and mirrors. Try the clamps and motions for smooth operation (absence of binding or gritty sound).

  1. Frequently clean the instrument externally. Any accumulation of dirt and dust can scratch the machined or polished surfaces and cause friction or sticking in the motions.
  2. Dirt and dust should be removed only with a clean soft cloth or with a camel hair brush.
  3. Non-optical parts may be cleaned with a soft cloth or clean chamois.
  4. Clean the external surfaces of lenses with a fine lens brush and, if necessary, use a dry lens tissue. Do not use silicone treated tissues, as they can damage the coated optics. It is permissible to breathe on the lens before wiping it, but liquids, such as oil, benzene, water, etc., should never be used for cleaning purposes. DO NOT loosen or attempt to clean the internal surfaces of any lens.
  5. Cover an instrument whenever it is uncased and not being used for any length of time, particularly if there is dust or moisture in the air.
  6. After an instrument has been used in damp or extremely cold situations, special precautions must be taken to prevent condensation of moisture inside of the instrument. When working with the instrument in cold weather, it should be left in the carrying case in the vehicle overnight. If stored in a heated room overnight, the instrument must be removed from the carrying case. If the instrument is wet or frost covered, remove it from its case, and leave it at room temperature to dry out.

This page has some valuable information as well

You take care of your field survey instrumentation and your field survey instrumentation will take care of you.

Mind you..

Have your Total Stations calibrated once a year and tribracs calibrated every six months..
(If you utilize conventional survey equipment
on a daily basis.)

Avoid condensation by air open air-rating and towel hand drying after exposed to any precipitation in the field.

I think once a year is the best. In my country, when working in a project, surveyor always submits the equipment's "Certification for Calibration and Verification" to the Consultant prior to start any activities.


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