https://mdotwiki.state.mi.us/construction/index.php?title=708_-_Prestressed_Concrete&feed=atom&action=history
708 - Prestressed Concrete - Revision history
2024-03-28T17:47:52Z
Revision history for this page on the wiki
MediaWiki 1.35.2
https://mdotwiki.state.mi.us/construction/index.php?title=708_-_Prestressed_Concrete&diff=6545&oldid=prev
SchaeferS: Removed 2012 Spec Book tagline link
2022-01-19T15:45:26Z
<p>Removed 2012 Spec Book tagline link</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 15:45, 19 January 2022</td>
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<tr><td class='diff-marker'>−</td><td style="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;"><div><del style="font-weight: bold; text-decoration: none;"><center>[http://mdotcf.state.mi.us/public/specbook/files/2012/708%20Prest%20Concrete%20Beams.pdf 2012 STANDARD SPECIFICATIONS FOR CONSTRUCTION - SECTION 708]</center></del></div></td><td colspan="2"> </td></tr>
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SchaeferS
https://mdotwiki.state.mi.us/construction/index.php?title=708_-_Prestressed_Concrete&diff=6223&oldid=prev
SchaeferS: /* Final Shipment Payment */
2021-05-12T20:33:44Z
<p><span dir="auto"><span class="autocomment">Final Shipment Payment</span></span></p>
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SchaeferS
https://mdotwiki.state.mi.us/construction/index.php?title=708_-_Prestressed_Concrete&diff=5238&oldid=prev
JohnsonN23: /* Delivery of Structural Precast Concrete Elements */
2018-01-17T13:38:02Z
<p><span dir="auto"><span class="autocomment">Delivery of Structural Precast Concrete Elements</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:38, 17 January 2018</td>
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<tr><td class='diff-marker'> </td><td style="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;"><div>The Structural Fabrication Unit will send a fabrication inspection memorandum via ProjectWise link to the project office at the end of each project. This memorandum is not the basis of acceptance, but rather a brief summary of the fabrication inspection for the project. The project office should use it as a reference when requesting fabrication information from the Structural Fabrication Unit. All fabrication records are stored in the project folder in ProjectWise. See Figure 708.11 for a sample inspection memorandum. </div></td><td class='diff-marker'> </td><td style="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;"><div>The Structural Fabrication Unit will send a fabrication inspection memorandum via ProjectWise link to the project office at the end of each project. This memorandum is not the basis of acceptance, but rather a brief summary of the fabrication inspection for the project. The project office should use it as a reference when requesting fabrication information from the Structural Fabrication Unit. All fabrication records are stored in the project folder in ProjectWise. See Figure 708.11 for a sample inspection memorandum. </div></td></tr>
<tr><td class='diff-marker'> </td><td style="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;"></td><td class='diff-marker'> </td><td style="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;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="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;"><div>[[File:<del class="diffchange diffchange-inline">Fig_708-11</del>.<del class="diffchange diffchange-inline">png</del>|600px|thumbnail|center|Figure 708-11 <del class="diffchange diffchange-inline">Crack comparator for measuring crack width</del>]]</div></td><td class='diff-marker'>+</td><td style="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;"><div>[[File:<ins class="diffchange diffchange-inline">Sample Structural Precast Concrete Memo</ins>.<ins class="diffchange diffchange-inline">jpg</ins>|600px|thumbnail|center|Figure 708-11 <ins class="diffchange diffchange-inline">Sample Structural Precast Concrete Memo</ins>]]</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="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;"><div>{{top}}</div></td><td class='diff-marker'> </td><td style="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;"><div>{{top}}</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="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;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="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;"><div>==[[#Structural Precast Concrete Field Storage|Structural Precast Concrete Field Storage]]==</div></td><td class='diff-marker'> </td><td style="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;"><div>==[[#Structural Precast Concrete Field Storage|Structural Precast Concrete Field Storage]]==</div></td></tr>
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JohnsonN23
https://mdotwiki.state.mi.us/construction/index.php?title=708_-_Prestressed_Concrete&diff=5236&oldid=prev
JohnsonN23: update 1/17/2018
2018-01-17T13:35:22Z
<p>update 1/17/2018</p>
<a href="https://mdotwiki.state.mi.us/construction/index.php?title=708_-_Prestressed_Concrete&diff=5236&oldid=5233">Show changes</a>
JohnsonN23
https://mdotwiki.state.mi.us/construction/index.php?title=708_-_Prestressed_Concrete&diff=5233&oldid=prev
JohnsonN23: JohnsonN23 moved page 708 - Precast Concrete Beams (Prestressed) to 708 - Prestressed Concrete
2018-01-17T12:34:57Z
<p>JohnsonN23 moved page <a href="/construction/index.php?title=708_-_Precast_Concrete_Beams_(Prestressed)" class="mw-redirect" title="708 - Precast Concrete Beams (Prestressed)">708 - Precast Concrete Beams (Prestressed)</a> to <a href="/construction/index.php?title=708_-_Prestressed_Concrete" title="708 - Prestressed Concrete">708 - Prestressed Concrete</a></p>
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<td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:34, 17 January 2018</td>
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JohnsonN23
https://mdotwiki.state.mi.us/construction/index.php?title=708_-_Prestressed_Concrete&diff=3255&oldid=prev
Greenes2 at 13:51, 21 May 2014
2014-05-21T13:51:06Z
<p></p>
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<tr><td class='diff-marker'> </td><td style="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;"><div><center>[http://mdotcf.state.mi.us/public/specbook/files/2012/708%20Prest%20Concrete%20Beams.pdf 2012 STANDARD SPECIFICATIONS FOR CONSTRUCTION - SECTION 708]</center></div></td><td class='diff-marker'> </td><td style="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;"><div><center>[http://mdotcf.state.mi.us/public/specbook/files/2012/708%20Prest%20Concrete%20Beams.pdf 2012 STANDARD SPECIFICATIONS FOR CONSTRUCTION - SECTION 708]</center></div></td></tr>
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Greenes2
https://mdotwiki.state.mi.us/construction/index.php?title=708_-_Prestressed_Concrete&diff=3119&oldid=prev
Greenes2: /* DELIVERY OF STRUCTURAL PRECAST ELEMENTS */
2014-05-15T13:43:41Z
<p><span dir="auto"><span class="autocomment">DELIVERY OF STRUCTURAL PRECAST ELEMENTS</span></span></p>
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<tr><td class='diff-marker'>−</td><td style="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;"><div>===[[#<del class="diffchange diffchange-inline">DELIVERY OF STRUCTURAL PRECAST ELEMENTS</del>|<del class="diffchange diffchange-inline">DELIVERY OF STRUCTURAL PRECAST ELEMENTS</del>]]===</div></td><td class='diff-marker'>+</td><td style="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;"><div>===[[#<ins class="diffchange diffchange-inline">Delivery of Structural Precast Elements</ins>|<ins class="diffchange diffchange-inline">Delivery of Structural Precast Elements</ins>]]===</div></td></tr>
<tr><td class='diff-marker'> </td><td style="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;"></td><td class='diff-marker'> </td><td style="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;"></td></tr>
<tr><td class='diff-marker'> </td><td style="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;"><div>When prestressed or non-prestressed structural precast structural concrete elements arrive on the job site, inspect them before they are unloaded. Check ends of each beam for a stamp or tag stating “Approved for Use.” If the beams are delivered to the project site without an approval stamp or tag, reject the beams. If the beams are approved for use, a memorandum will be sent to the TSC from Bridge Field Services stating the approval of each beam and verification of all material certifications and test results. According to [http://www.michigan.gov/documents/mdot/MDOT_MQAP_Manual_5_Section_D_307110_7.pdf Section 4.04 of the MDOT Materials Quality Assurance Procedures Manual] prestressed concrete fabrication has been approved for use by MDOT when the following two part process is met:</div></td><td class='diff-marker'> </td><td style="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;"><div>When prestressed or non-prestressed structural precast structural concrete elements arrive on the job site, inspect them before they are unloaded. Check ends of each beam for a stamp or tag stating “Approved for Use.” If the beams are delivered to the project site without an approval stamp or tag, reject the beams. If the beams are approved for use, a memorandum will be sent to the TSC from Bridge Field Services stating the approval of each beam and verification of all material certifications and test results. According to [http://www.michigan.gov/documents/mdot/MDOT_MQAP_Manual_5_Section_D_307110_7.pdf Section 4.04 of the MDOT Materials Quality Assurance Procedures Manual] prestressed concrete fabrication has been approved for use by MDOT when the following two part process is met:</div></td></tr>
</table>
Greenes2
https://mdotwiki.state.mi.us/construction/index.php?title=708_-_Prestressed_Concrete&diff=3118&oldid=prev
Greenes2: /* FABRICATION OF PRESTRESSED CONCRETE */
2014-05-15T13:42:56Z
<p><span dir="auto"><span class="autocomment">FABRICATION OF PRESTRESSED CONCRETE</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:42, 15 May 2014</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l106" >Line 106:</td>
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<tr><td class='diff-marker'> </td><td style="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;"></td><td class='diff-marker'> </td><td style="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;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="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;"><div>===[[#<del class="diffchange diffchange-inline">FABRICATION OF PRESTRESSED CONCRETE</del>|<del class="diffchange diffchange-inline">FABRICATION OF PRESTRESSED CONCRETE</del>]]===</div></td><td class='diff-marker'>+</td><td style="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;"><div>===[[#<ins class="diffchange diffchange-inline">Fabrication of Prestressed Concrete</ins>|<ins class="diffchange diffchange-inline">Fabrication of Prestressed Concrete</ins>]]===</div></td></tr>
<tr><td class='diff-marker'> </td><td style="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;"></td><td class='diff-marker'> </td><td style="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;"></td></tr>
<tr><td class='diff-marker'> </td><td style="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;"><div>{{top}}</div></td><td class='diff-marker'> </td><td style="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;"><div>{{top}}</div></td></tr>
</table>
Greenes2
https://mdotwiki.state.mi.us/construction/index.php?title=708_-_Prestressed_Concrete&diff=3117&oldid=prev
Greenes2: /* PRESTRESSED CONCRETE ELEMENTS */
2014-05-15T13:41:57Z
<p><span dir="auto"><span class="autocomment">PRESTRESSED CONCRETE ELEMENTS</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:41, 15 May 2014</td>
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<tr><td class='diff-marker'> </td><td style="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;"><div>{{top}}</div></td><td class='diff-marker'> </td><td style="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;"><div>{{top}}</div></td></tr>
<tr><td class='diff-marker'> </td><td style="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;"></td><td class='diff-marker'> </td><td style="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;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="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;"><div>===[[#<del class="diffchange diffchange-inline">PRESTRESSED CONCRETE ELEMENTS</del>|<del class="diffchange diffchange-inline">PRESTRESSED CONCRETE ELEMENTS</del>]]===</div></td><td class='diff-marker'>+</td><td style="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;"><div>===[[#<ins class="diffchange diffchange-inline">Prestressed Concrete Elements</ins>|<ins class="diffchange diffchange-inline">Prestressed Concrete Elements</ins>]]===</div></td></tr>
<tr><td class='diff-marker'> </td><td style="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;"></td><td class='diff-marker'> </td><td style="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;"></td></tr>
<tr><td class='diff-marker'> </td><td style="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;"><div>Prestressing, refers to the process of pulling steel tendons in the beam into tension before the concrete is placed in the forms. After the concrete has hardened, the stressed tendons are released and transmit a compressive stress to the concrete. This offsets tension forces on the concrete and increases the load-carrying capacity of the beam. The result is similar to pressing on the ends of a set of books in order to pick up the whole set of books at once.</div></td><td class='diff-marker'> </td><td style="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;"><div>Prestressing, refers to the process of pulling steel tendons in the beam into tension before the concrete is placed in the forms. After the concrete has hardened, the stressed tendons are released and transmit a compressive stress to the concrete. This offsets tension forces on the concrete and increases the load-carrying capacity of the beam. The result is similar to pressing on the ends of a set of books in order to pick up the whole set of books at once.</div></td></tr>
</table>
Greenes2
https://mdotwiki.state.mi.us/construction/index.php?title=708_-_Prestressed_Concrete&diff=3116&oldid=prev
Greenes2: /* Box Beams */
2014-05-15T13:40:59Z
<p><span dir="auto"><span class="autocomment">Box Beams</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:40, 15 May 2014</td>
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<tr><td class='diff-marker'> </td><td style="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;"></td><td class='diff-marker'> </td><td style="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;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="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;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="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;"><div><del style="font-weight: bold; text-decoration: none;">{{top}}</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="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;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="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;"><div><del style="font-weight: bold; text-decoration: none;">===[[#Box Beams|Box Beams]]===</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="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;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="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;"><div><del style="font-weight: bold; text-decoration: none;">To ensure that box beams will fit properly on the substructure units, the beam widths should be checked. Beam bearing pads must be shimmed in an approved manner during erection to provide full bearing contact with the bottoms of the beams. This needs to be checked on every box beam. Note in the daily report when the beam erection has been completed.</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="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;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="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;"><div><del style="font-weight: bold; text-decoration: none;">The beams should be set with spaces between the beams as specified on the plans or shop drawings and with the seal washers placed in the duct holes. The space between the beams should be completely filled, full depth, with R-2 mortar and cured for at least 48 hours. The deck width should be measured by the Contractor as soon as the beams are set to assure that post tensioning rods or tendons will be fabricated to the proper length.</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="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;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="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;"><div><del style="font-weight: bold; text-decoration: none;">All hardware dimensions must be as shown on the plans or shop drawings. Tendons or rods should be tensioned with calibrated jacks according to a Contractor-supplied calibration chart showing the corresponding jack pressures and rod elongations necessary to gradually build up to the required stressing force. After the tensioning is complete, the tendon or rod holes will be grouted as described in the standard specifications.</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="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;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="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;"><div><del style="font-weight: bold; text-decoration: none;">'''Do not stand behind the jacking machine or rod holes during jacking procedures. If a tendon or rod snaps, it will cause serious injury.'''</del></div></td><td colspan="2"> </td></tr>
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Greenes2