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	<id>https://mdotwiki.state.mi.us/construction/index.php?action=history&amp;feed=atom&amp;title=104.09_Lines%2C_Grades%2C_and_Elevations</id>
	<title>104.09 Lines, Grades, and Elevations - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://mdotwiki.state.mi.us/construction/index.php?action=history&amp;feed=atom&amp;title=104.09_Lines%2C_Grades%2C_and_Elevations"/>
	<link rel="alternate" type="text/html" href="https://mdotwiki.state.mi.us/construction/index.php?title=104.09_Lines,_Grades,_and_Elevations&amp;action=history"/>
	<updated>2026-10-17T06:45:50Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.35.2</generator>
	<entry>
		<id>https://mdotwiki.state.mi.us/construction/index.php?title=104.09_Lines,_Grades,_and_Elevations&amp;diff=9600&amp;oldid=prev</id>
		<title>Clarkj25: /* Care of Equipment */</title>
		<link rel="alternate" type="text/html" href="https://mdotwiki.state.mi.us/construction/index.php?title=104.09_Lines,_Grades,_and_Elevations&amp;diff=9600&amp;oldid=prev"/>
		<updated>2025-12-15T16:46:39Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Care of Equipment&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:46, 15 December 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l4496&quot; &gt;Line 4,496:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 4,496:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;All surveying instruments should be checked at frequent intervals to ensure required accuracy.  Permanent locations should be established for pegging levels, checking optical plums and calibrating measuring devices.  A log on each instrument should be kept up to date and results of each check are to be noted (who, when, and where should also be noted).&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;All surveying instruments should be checked at frequent intervals to ensure required accuracy.  Permanent locations should be established for pegging levels, checking optical plums and calibrating measuring devices.  A log on each instrument should be kept up to date and results of each check are to be noted (who, when, and where should also be noted).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;MDOT maintains a location for cleaning, adjusting and repairing instruments at the Secondary Complex.  Instruments should be checked at the end of each season and those needing cleaning or adjusting scheduled for service.  When bringing instruments in for service, any problem area should be noted and damaged parts included.  If the instrument is damaged, a complete written report giving all the circumstances must be included.  If the damage is due to an accident on the part of the employee, the report should so indicate.  If the damage was caused by the Contractor’s employees, or equipment, the report should reflect this information and the Contractor should be advised to refer the matter to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;his &lt;/del&gt;insurance company so they may inspect the damage if desired.  If the instrument is damaged by the traveling public, this should be noted and an accident report included.  The cost of instrument repair is often recoverable from motorist insurance companies.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;MDOT maintains a location for cleaning, adjusting and repairing instruments at the Secondary Complex.  Instruments should be checked at the end of each season and those needing cleaning or adjusting scheduled for service.  When bringing instruments in for service, any problem area should be noted and damaged parts included.  If the instrument is damaged, a complete written report giving all the circumstances must be included.  If the damage is due to an accident on the part of the employee, the report should so indicate.  If the damage was caused by the Contractor’s employees, or equipment, the report should reflect this information and the Contractor should be advised to refer the matter to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;their &lt;/ins&gt;insurance company so they may inspect the damage if desired.  If the instrument is damaged by the traveling public, this should be noted and an accident report included.  The cost of instrument repair is often recoverable from motorist insurance companies.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Before operating surveying equipment, all MDOT personnel should be trained on proper operation and care of the instrument, including proper methods of transporting.  Surveying equipment should not be left unattended at any time.  Every means should be exercised to ensure the safety of both instrument and personnel while working in traffic, or near construction operations.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Before operating surveying equipment, all MDOT personnel should be trained on proper operation and care of the instrument, including proper methods of transporting.  Surveying equipment should not be left unattended at any time.  Every means should be exercised to ensure the safety of both instrument and personnel while working in traffic, or near construction operations.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Clarkj25</name></author>
	</entry>
	<entry>
		<id>https://mdotwiki.state.mi.us/construction/index.php?title=104.09_Lines,_Grades,_and_Elevations&amp;diff=9599&amp;oldid=prev</id>
		<title>Clarkj25: /* Applicable Excerpts from Surveying Acts */</title>
		<link rel="alternate" type="text/html" href="https://mdotwiki.state.mi.us/construction/index.php?title=104.09_Lines,_Grades,_and_Elevations&amp;diff=9599&amp;oldid=prev"/>
		<updated>2025-12-15T16:45:08Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Applicable Excerpts from Surveying Acts&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:45, 15 December 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1167&quot; &gt;Line 1,167:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1,167:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:History: 1970, Act. 74, Imd. Eff. July 16, 1970; Am. 1975, Act 313, Eff. Mar. 31, 1976; Am 1988, Act 26, Eff. May 1, 1988.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:History: 1970, Act. 74, Imd. Eff. July 16, 1970; Am. 1975, Act 313, Eff. Mar. 31, 1976; Am 1988, Act 26, Eff. May 1, 1988.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:'''Sec. 3.'''    A surveyor shall complete, sign, stamp with &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;his &lt;/del&gt;seal and file with the register of deeds of the county where the corner is situated, a written record of corner establishment or restoration to be known as a &amp;quot;corner record&amp;quot; for every public land survey corner and accessory to such corner that is established, reestablished, monumented, remonumented, restored, rehabilitated, perpetuated, or used as control in any survey by such surveyor, and within 90-days thereafter, unless the corner and its accessories are substantially as described in an existing corner record filed in accordance with the provisions of this act.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:'''Sec. 3.'''    A surveyor shall complete, sign, stamp with &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;their &lt;/ins&gt;seal and file with the register of deeds of the county where the corner is situated, a written record of corner establishment or restoration to be known as a &amp;quot;corner record&amp;quot; for every public land survey corner and accessory to such corner that is established, reestablished, monumented, remonumented, restored, rehabilitated, perpetuated, or used as control in any survey by such surveyor, and within 90-days thereafter, unless the corner and its accessories are substantially as described in an existing corner record filed in accordance with the provisions of this act.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:'''Sec. 7.'''    In every case where a corner record of a public land survey corner is required to be filed under the provisions of this act, the surveyor shall reconstruct or rehabilitate the monument of such corner and accessories to such corner, so that it shall be left by &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;him &lt;/del&gt;in such physical condition that it remains as permanent a monument as is reasonably possible and so that the same may be reasonably expected to be located with facility at all times in the future.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:'''Sec. 7.'''    In every case where a corner record of a public land survey corner is required to be filed under the provisions of this act, the surveyor shall reconstruct or rehabilitate the monument of such corner and accessories to such corner, so that it shall be left by &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;them &lt;/ins&gt;in such physical condition that it remains as permanent a monument as is reasonably possible and so that the same may be reasonably expected to be located with facility at all times in the future.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:History: 1970, Act 74, Imd. Eff. July 16, 1970.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:History: 1970, Act 74, Imd. Eff. July 16, 1970.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Clarkj25</name></author>
	</entry>
	<entry>
		<id>https://mdotwiki.state.mi.us/construction/index.php?title=104.09_Lines,_Grades,_and_Elevations&amp;diff=4921&amp;oldid=prev</id>
		<title>JohnsonN23 at 18:43, 19 June 2017</title>
		<link rel="alternate" type="text/html" href="https://mdotwiki.state.mi.us/construction/index.php?title=104.09_Lines,_Grades,_and_Elevations&amp;diff=4921&amp;oldid=prev"/>
		<updated>2017-06-19T18:43:01Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;https://mdotwiki.state.mi.us/construction/index.php?title=104.09_Lines,_Grades,_and_Elevations&amp;amp;diff=4921&amp;amp;oldid=4704&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>JohnsonN23</name></author>
	</entry>
	<entry>
		<id>https://mdotwiki.state.mi.us/construction/index.php?title=104.09_Lines,_Grades,_and_Elevations&amp;diff=4704&amp;oldid=prev</id>
		<title>JohnsonN23: email links added</title>
		<link rel="alternate" type="text/html" href="https://mdotwiki.state.mi.us/construction/index.php?title=104.09_Lines,_Grades,_and_Elevations&amp;diff=4704&amp;oldid=prev"/>
		<updated>2017-05-03T13:21:38Z</updated>

		<summary type="html">&lt;p&gt;email links added&lt;/p&gt;
&lt;a href=&quot;https://mdotwiki.state.mi.us/construction/index.php?title=104.09_Lines,_Grades,_and_Elevations&amp;amp;diff=4704&amp;amp;oldid=4489&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>JohnsonN23</name></author>
	</entry>
	<entry>
		<id>https://mdotwiki.state.mi.us/construction/index.php?title=104.09_Lines,_Grades,_and_Elevations&amp;diff=4489&amp;oldid=prev</id>
		<title>JohnsonN23: New Page with Numbering</title>
		<link rel="alternate" type="text/html" href="https://mdotwiki.state.mi.us/construction/index.php?title=104.09_Lines,_Grades,_and_Elevations&amp;diff=4489&amp;oldid=prev"/>
		<updated>2017-04-12T12:15:50Z</updated>

		<summary type="html">&lt;p&gt;New Page with Numbering&lt;/p&gt;
&lt;a href=&quot;https://mdotwiki.state.mi.us/construction/index.php?title=104.09_Lines,_Grades,_and_Elevations&amp;amp;diff=4489&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>JohnsonN23</name></author>
	</entry>
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