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Each crew will be provided with standard sewer templates as used in the initial phase of this <br />project. The field crew will fill in the designated blanks with the required information. It is understood <br />that we cannot directly measure the invert on far side of the cone on an eccentric manhole and stay within <br />our 0.05 feet specification. Typically, we measure from the far side of the rim to the invert; this is the <br />equivalent of the hypotenuse ora right triangle. With this information and the measured vertical angle we <br />can calculate the true vertical difference. We will record the both measurements; the hypotenuse and the <br />vertical angle. We understand that the time required for measurements will vary based on the traffic <br />situations and manhole locations. <br /> <br />Reports: <br /> <br /> Upon receipt of all of the field data we will compile a report indexing our data and perform quality <br />control of the information. This report will then be provided to the Project Engineer. We anticipate that <br />the Project Engineer will then determine the consistency or inconsistency of the vertical datum. In the <br />event that we are provided the data information we can add this information to our field sketches. For the <br />purposes of this proposal we do not anticipate adding this information; this will be the responsibility of <br />the Project Engineer. <br /> <br />General Information: <br /> <br />All work provided would be under the supervision of a Professional Land Surveyor. We will provide <br />status reports at an interval that is satisfactory to the Project Engineer. <br /> <br /> <br />