https://mdotwiki.state.mi.us/construction/index.php?title=705_-_Foundation_Piling&feed=atom&action=history705 - Foundation Piling - Revision history2024-03-28T12:43:30ZRevision history for this page on the wikiMediaWiki 1.35.2https://mdotwiki.state.mi.us/construction/index.php?title=705_-_Foundation_Piling&diff=8063&oldid=prevClarkj25: /* CONSTRUCTION */2024-02-29T18:16:44Z<p><span dir="auto"><span class="autocomment">CONSTRUCTION</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:16, 29 February 2024</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">'''</del>Excavation and Fill<del class="diffchange diffchange-inline">''' </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>====Excavation and Fill====</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><span style="color: red"> -Reserved- </span></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><span style="color: red"> -Reserved- </span></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>
<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">'''</del>Pile Preboring to Facilitate Driving<del class="diffchange diffchange-inline">''' </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>====Pile Preboring to Facilitate Driving====</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>Ensure holes are prebored to the elevations shown on the plans, and the hole diameter is 6 inches greater than the pile dimensions. Preboring also includes the following:</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>Ensure holes are prebored to the elevations shown on the plans, and the hole diameter is 6 inches greater than the pile dimensions. Preboring also includes the following:</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>*Boring pile holes</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>*Boring pile holes</div></td></tr>
</table>Clarkj25https://mdotwiki.state.mi.us/construction/index.php?title=705_-_Foundation_Piling&diff=8062&oldid=prevClarkj25: /* Pile Splicing */2024-02-29T18:13:33Z<p><span dir="auto"><span class="autocomment">Pile Splicing</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:13, 29 February 2024</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l317" >Line 317:</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>Steel piles may be furnished in full length sections, or they may be spliced according to the splicing method as shown on the plans. Note when pile splicers are not permitted in the plans.</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>Steel piles may be furnished in full length sections, or they may be spliced according to the splicing method as shown on the plans. Note when pile splicers are not permitted in the plans.</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>Splices must be made in accordance with [https://mdotwiki.state.mi.us/images_construction/9/95/2020-Standard-Specifications-Construction.pdf#page=101#page=384 subsection 705.03.C.2.d of the Standard Specifications]. The Contractor must submit [https://mdotjboss.state.mi.us/webforms/GetDocument.htm?fileName=5627.pdf Form 5627 – Pile Welding Quality Control Plan] in accordance with special provision 20SP705(A) – Quality Control Plan for Welding Pile Splices</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>Splices must be made in accordance with [https://mdotwiki.state.mi.us/images_construction/9/95/2020-Standard-Specifications-Construction.pdf#page=101#page=384 subsection 705.03.C.2.d of the Standard Specifications]. The Contractor must submit [https://mdotjboss.state.mi.us/webforms/GetDocument.htm?fileName=5627.pdf Form 5627 – Pile Welding Quality Control Plan] in accordance with <ins class="diffchange diffchange-inline">[https://mdotjboss.state.mi.us/SpecProv/getSSSPDocumentById.htm?projNum=704577&fileName=20SP-705A-01.pdf </ins>special provision 20SP705(A) – Quality Control Plan for Welding Pile Splices<ins class="diffchange diffchange-inline">]</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>All welded splices must be done in accordance with the [https://www.michigan.gov/mdot/-/media/Project/Websites/MDOT/Programs/Bridges-and-Structures/Structure-Construction/Field-Manual-for-Pile-Welding.pdf?rev=c80e7fd31fa84bd6bc2d904365a35c35&hash=C50F012DB5CF720FCAC7B097E76D6007 MDOT Field Manual for Pile Welding]. Ensure that the welder is certified for the position in which they are welding.</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>All welded splices must be done in accordance with the [https://www.michigan.gov/mdot/-/media/Project/Websites/MDOT/Programs/Bridges-and-Structures/Structure-Construction/Field-Manual-for-Pile-Welding.pdf?rev=c80e7fd31fa84bd6bc2d904365a35c35&hash=C50F012DB5CF720FCAC7B097E76D6007 MDOT Field Manual for Pile Welding]. Ensure that the welder is certified for the position in which they are welding.</div></td></tr>
</table>Clarkj25https://mdotwiki.state.mi.us/construction/index.php?title=705_-_Foundation_Piling&diff=8061&oldid=prevClarkj25: /* Pile Splicing */2024-02-29T18:10:49Z<p><span dir="auto"><span class="autocomment">Pile Splicing</span></span></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:10, 29 February 2024</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l317" >Line 317:</td>
<td colspan="2" class="diff-lineno">Line 317:</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>Steel piles may be furnished in full length sections, or they may be spliced according to the splicing method as shown on the plans. Note when pile splicers are not permitted in the plans.</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>Steel piles may be furnished in full length sections, or they may be spliced according to the splicing method as shown on the plans. Note when pile splicers are not permitted in the plans.</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>Splices must be made in accordance with subsection 705.03.C.2.d of the Standard Specifications. The Contractor must submit <del class="diffchange diffchange-inline">a QA</del>/<del class="diffchange diffchange-inline">QC plan </del>in accordance with special provision 20SP705(A) – Quality Control Plan for Welding Pile Splices<del class="diffchange diffchange-inline">. Welding is to be done by a certified welder qualified in the 2G position for welding the pile in the vertical position. If the piling is spliced while lying on the ground, the welder needs to also be qualified in the 3G position. Furnished pile less than 40 feet must contain no more than 3 splices, and furnished pile greater than 40 feet must contain no more than 4 splices.</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>Splices must be made in accordance with <ins class="diffchange diffchange-inline">[https://mdotwiki.state.mi.us/images_construction/9/95/2020-Standard-Specifications-Construction.pdf#page=101#page=384 </ins>subsection 705.03.C.2.d of the Standard Specifications<ins class="diffchange diffchange-inline">]</ins>. The Contractor must submit <ins class="diffchange diffchange-inline">[https://mdotjboss.state.mi.us</ins>/<ins class="diffchange diffchange-inline">webforms/GetDocument.htm?fileName=5627.pdf Form 5627 – Pile Welding Quality Control Plan] </ins>in accordance with special provision 20SP705(A) – Quality Control Plan for Welding Pile Splices</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>All welded splices must be done in accordance with the [https://www.michigan.gov/mdot/-/media/Project/Websites/MDOT/Programs/Bridges-and-Structures/Structure-Construction/Field-Manual-for-Pile-Welding.pdf?rev=c80e7fd31fa84bd6bc2d904365a35c35&hash=C50F012DB5CF720FCAC7B097E76D6007 MDOT Field Manual for Pile Welding]. Ensure that the welder is certified for the position in which they are welding.</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>All welded splices must be done in accordance with the [https://www.michigan.gov/mdot/-/media/Project/Websites/MDOT/Programs/Bridges-and-Structures/Structure-Construction/Field-Manual-for-Pile-Welding.pdf?rev=c80e7fd31fa84bd6bc2d904365a35c35&hash=C50F012DB5CF720FCAC7B097E76D6007 MDOT Field Manual for Pile Welding]. Ensure that the welder is certified for the position in which they are welding.</div></td></tr>
</table>Clarkj25https://mdotwiki.state.mi.us/construction/index.php?title=705_-_Foundation_Piling&diff=8060&oldid=prevClarkj25: /* Test Piles */2024-02-29T18:06:47Z<p><span dir="auto"><span class="autocomment">Test Piles</span></span></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
<col class="diff-marker" />
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<col class="diff-content" />
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:06, 29 February 2024</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l299" >Line 299:</td>
<td colspan="2" class="diff-lineno">Line 299:</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>Ensure test piles are driven to the minimum pile length shown on the plans, practical refusal (110% of nominal), whichever is greater.</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>Ensure test piles are driven to the minimum pile length shown on the plans, practical refusal (110% of nominal), whichever is greater.</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>To track test pile driving information, use MDOT form 1157L – Test Pile Record, LRFD</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>To track test pile driving information, use <ins class="diffchange diffchange-inline">[https://mdotjboss.state.mi.us/webforms/GetDocument.htm?fileName=1157L.pdf </ins>MDOT form 1157L – Test Pile Record, LRFD<ins class="diffchange diffchange-inline">]</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>It is important at the start of the blow count to reference the pile to some fixed object, preferably the leads, providing they are not reset during the observation period.</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>It is important at the start of the blow count to reference the pile to some fixed object, preferably the leads, providing they are not reset during the observation period.</div></td></tr>
</table>Clarkj25https://mdotwiki.state.mi.us/construction/index.php?title=705_-_Foundation_Piling&diff=8059&oldid=prevClarkj25: /* Driving Methods */2024-02-29T18:05:55Z<p><span dir="auto"><span class="autocomment">Driving Methods</span></span></p>
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<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:05, 29 February 2024</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l185" >Line 185:</td>
<td colspan="2" class="diff-lineno">Line 185:</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>===[[#Driving Methods|Driving Methods]]===</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>===[[#Driving Methods|Driving Methods]]===</div></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>To track pile driving operations, use MDOT form 1990 – Cofferdam Installation, Piling Placement, and Tremie Pour Inspector’s Checklist, and MDOT form 1161L – Foundation Piling Record, LRFD</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>To track pile driving operations, use <ins class="diffchange diffchange-inline">[https://mdotjboss.state.mi.us/webforms/GetDocument.htm?fileName=1990.pdf </ins>MDOT form 1990 – Cofferdam Installation, Piling Placement, and Tremie Pour Inspector’s Checklist<ins class="diffchange diffchange-inline">]</ins>, and <ins class="diffchange diffchange-inline">[https://mdotjboss.state.mi.us/webforms/GetDocument.htm?fileName=1161L.pdf </ins>MDOT form 1161L – Foundation Piling Record, LRFD<ins class="diffchange diffchange-inline">]</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>===[[#Preparation for Driving|Preparation for Driving]]===</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>===[[#Preparation for Driving|Preparation for Driving]]===</div></td></tr>
</table>Clarkj25https://mdotwiki.state.mi.us/construction/index.php?title=705_-_Foundation_Piling&diff=8058&oldid=prevClarkj25: /* Pile Splicing */2024-02-29T18:01:11Z<p><span dir="auto"><span class="autocomment">Pile Splicing</span></span></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:01, 29 February 2024</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l319" >Line 319:</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>Splices must be made in accordance with subsection 705.03.C.2.d of the Standard Specifications. The Contractor must submit a QA/QC plan in accordance with special provision 20SP705(A) – Quality Control Plan for Welding Pile Splices. Welding is to be done by a certified welder qualified in the 2G position for welding the pile in the vertical position. If the piling is spliced while lying on the ground, the welder needs to also be qualified in the 3G position. Furnished pile less than 40 feet must contain no more than 3 splices, and furnished pile greater than 40 feet must contain no more than 4 splices.</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>Splices must be made in accordance with subsection 705.03.C.2.d of the Standard Specifications. The Contractor must submit a QA/QC plan in accordance with special provision 20SP705(A) – Quality Control Plan for Welding Pile Splices. Welding is to be done by a certified welder qualified in the 2G position for welding the pile in the vertical position. If the piling is spliced while lying on the ground, the welder needs to also be qualified in the 3G position. Furnished pile less than 40 feet must contain no more than 3 splices, and furnished pile greater than 40 feet must contain no more than 4 splices.</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>All welded splices must be done in accordance with the MDOT Field Manual for Pile Welding. Ensure that the welder is certified for the position in which they are welding.</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>All welded splices must be done in accordance with the <ins class="diffchange diffchange-inline">[https://www.michigan.gov/mdot/-/media/Project/Websites/</ins>MDOT<ins class="diffchange diffchange-inline">/Programs/Bridges-and-Structures/Structure-Construction/</ins>Field<ins class="diffchange diffchange-inline">-</ins>Manual<ins class="diffchange diffchange-inline">-</ins>for<ins class="diffchange diffchange-inline">-</ins>Pile<ins class="diffchange diffchange-inline">-</ins>Welding<ins class="diffchange diffchange-inline">.pdf?rev=c80e7fd31fa84bd6bc2d904365a35c35&hash=C50F012DB5CF720FCAC7B097E76D6007 MDOT Field Manual for Pile Welding]</ins>. Ensure that the welder is certified for the position in which they are welding.</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>Welded splices for piles must be made only by qualified welders using E7015, E7016 or E7018 electrodes. The terms qualified welder and certified welder have a specific meaning and should be understood when field welding any steel components. The qualification of welders will be determined by whether the pile is determined on the plans to be main member or non-main member. </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>Welded splices for piles must be made only by qualified welders using E7015, E7016 or E7018 electrodes. The terms qualified welder and certified welder have a specific meaning and should be understood when field welding any steel components. The qualification of welders will be determined by whether the pile is determined on the plans to be main member or non-main member. </div></td></tr>
</table>Clarkj25https://mdotwiki.state.mi.us/construction/index.php?title=705_-_Foundation_Piling&diff=8057&oldid=prevClarkj25: /* Preparation for Driving */2024-02-29T18:00:08Z<p><span dir="auto"><span class="autocomment">Preparation for Driving</span></span></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
<col class="diff-marker" />
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<col class="diff-content" />
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:00, 29 February 2024</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l192" >Line 192:</td>
<td colspan="2" class="diff-lineno">Line 192:</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>*Ensure the proper orientation and layout of the pile. The contractor will do the actual layout. For example, on integral abutments with a single row of piles, the web of the pile is oriented perpendicular to the construction centerline of the bridge. This is also referred to orienting the pile about the weak axis of bending.</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>*Ensure the proper orientation and layout of the pile. The contractor will do the actual layout. For example, on integral abutments with a single row of piles, the web of the pile is oriented perpendicular to the construction centerline of the bridge. This is also referred to orienting the pile about the weak axis of bending.</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>*Ensure all piles meet the material grade requirements as specified in the plans, and [http://mdotcf.state.mi.us/public/dessssp/spss_source/12SP906(A)v1.pdf 12SP906(A).]</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>*Ensure all piles meet the material grade requirements as specified in the plans, and [http://mdotcf.state.mi.us/public/dessssp/spss_source/12SP906(A)v1.pdf 12SP906(A).]</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;">*Piles increment layout whether it is in foot marks or inch marks must be precise. Use foot marks when the capacity of the pile is gradual. When the pile takes up in a very dense soil, hard pan clay, or some type of rock formation inch marks may need to be used. If inch increments are used, then the pile should be driven until the pile reaches capacity for 3 consecutive inches or there are 12 blows in one inch. </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>*Review the Soil Borings and SPT Blow Count Data shown on the plans. Become familiar with the soil borings in the footing area. Be aware of potential hard layers above the estimated pile tip elevations that can give false bearing. These areas are typically underlain by unsuitable material.</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>*Review the Soil Borings and SPT Blow Count Data shown on the plans. Become familiar with the soil borings in the footing area. Be aware of potential hard layers above the estimated pile tip elevations that can give false bearing. These areas are typically underlain by unsuitable material.</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>*Review the plans and specifications for preboring requirements. If required, ensure holes are prebored to the elevations shown on the plans, and the hole diameter is 6 inches greater than the pile dimensions. Preboring also includes the following:</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>*Review the plans and specifications for preboring requirements. If required, ensure holes are prebored to the elevations shown on the plans, and the hole diameter is 6 inches greater than the pile dimensions. Preboring also includes the following:</div></td></tr>
</table>Clarkj25https://mdotwiki.state.mi.us/construction/index.php?title=705_-_Foundation_Piling&diff=8056&oldid=prevClarkj25: /* Driving */2024-02-29T17:58:16Z<p><span dir="auto"><span class="autocomment">Driving</span></span></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:58, 29 February 2024</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l250" >Line 250:</td>
<td colspan="2" class="diff-lineno">Line 250:</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>*Pile bents are to meet the tolerances as shown on the plans.</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>*Pile bents are to meet the tolerances as shown on the plans.</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>*Pile cut off within 1”.</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>*Pile cut off within 1”.</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;">*Pile orientation should be per plans. If pile is out of orientation, then the designer should be called to see if the pile being out of the correct orientation is a problem</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>Do not allow the Contractor to laterally pull piles to correct misalignment or splice subsequent piles to correct misalignment.</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>Do not allow the Contractor to laterally pull piles to correct misalignment or splice subsequent piles to correct misalignment.</div></td></tr>
</table>Clarkj25https://mdotwiki.state.mi.us/construction/index.php?title=705_-_Foundation_Piling&diff=8055&oldid=prevClarkj25: /* Test Piles */2024-02-29T17:57:12Z<p><span dir="auto"><span class="autocomment">Test Piles</span></span></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:57, 29 February 2024</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l301" >Line 301:</td>
<td colspan="2" class="diff-lineno">Line 301:</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>It is important at the start of the blow count to reference the pile to some fixed object, preferably the leads, providing they are not reset during the observation period.</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>It is important at the start of the blow count to reference the pile to some fixed object, preferably the leads, providing they are not reset during the observation period.</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>Restriking is allowed for test piles only. <del class="diffchange diffchange-inline">If practical refusal cannot be achieved after driving 10 feet below </del>the <del class="diffchange diffchange-inline">estimated </del>pile <del class="diffchange diffchange-inline">tip elevation, and the resistance is at least 85% of the required nominal pile driving resistance, the Contractor may leave the piles to set up for 48 hours</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>Restriking is allowed for test piles only <ins class="diffchange diffchange-inline">using dynamic testing and analysis</ins>. <ins class="diffchange diffchange-inline">Do not use </ins>the <ins class="diffchange diffchange-inline">dynamic formula for </ins>pile <ins class="diffchange diffchange-inline">restrikes</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>After the 48 hours waiting period, The Contractor may restrike the piles. Contact the Geotechnical Services area to determine the nominal pile driving resistance based on the number of blows necessary to advance the pile an additional 3 inches. </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>After the 48 hours waiting period, The Contractor may restrike the piles. Contact the Geotechnical Services area to determine the nominal pile driving resistance based on the number of blows necessary to advance the pile an additional 3 inches. </div></td></tr>
</table>Clarkj25https://mdotwiki.state.mi.us/construction/index.php?title=705_-_Foundation_Piling&diff=8054&oldid=prevClarkj25: /* Pile Splicing */2024-02-29T17:56:17Z<p><span dir="auto"><span class="autocomment">Pile Splicing</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:56, 29 February 2024</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l313" >Line 313:</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>===[[#Pile Splicing|Pile Splicing]]===</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>===[[#Pile Splicing|Pile Splicing]]===</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>Steel piles <del class="diffchange diffchange-inline">and steel pile shells </del>may be furnished in full length sections, or <del class="diffchange diffchange-inline">the pile shells </del>may be spliced according to the splicing method as shown on the plans. Note when pile splicers are not permitted in the plans.</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>Steel piles may be furnished in full length sections, or <ins class="diffchange diffchange-inline">they </ins>may be spliced according to the splicing method as shown on the plans. Note when pile splicers are not permitted in the plans.</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>Splices must be made in accordance with subsection 705.03.C.2.d of the Standard Specifications. The Contractor must submit a QA/QC plan in accordance with special provision 20SP705(A) – Quality Control Plan for Welding Pile Splices. Welding is to be done by a certified welder qualified in the 2G position for welding the pile in the vertical position. If the piling is spliced while lying on the ground, the welder needs to also be qualified in the 3G position. Furnished pile less than 40 feet must contain no more than 3 splices, and furnished pile greater than 40 feet must contain no more than 4 splices.</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>Splices must be made in accordance with subsection 705.03.C.2.d of the Standard Specifications. The Contractor must submit a QA/QC plan in accordance with special provision 20SP705(A) – Quality Control Plan for Welding Pile Splices. Welding is to be done by a certified welder qualified in the 2G position for welding the pile in the vertical position. If the piling is spliced while lying on the ground, the welder needs to also be qualified in the 3G position. Furnished pile less than 40 feet must contain no more than 3 splices, and furnished pile greater than 40 feet must contain no more than 4 splices.</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>All welded splices must be done in accordance with the MDOT Field Manual for Pile Welding. </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>All welded splices must be done in accordance with the MDOT Field Manual for Pile Welding<ins class="diffchange diffchange-inline">. Ensure that the welder is certified for the position in which they are welding</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>Welded splices for piles must be made only by qualified welders using E7015, E7016 or E7018 electrodes. The terms qualified welder and certified welder have a specific meaning and should be understood when field welding any steel components. The qualification of welders will be determined by whether the pile is determined on the plans to be main member or non-main member. </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>Welded splices for piles must be made only by qualified welders using E7015, E7016 or E7018 electrodes. The terms qualified welder and certified welder have a specific meaning and should be understood when field welding any steel components. The qualification of welders will be determined by whether the pile is determined on the plans to be main member or non-main member. </div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l335" >Line 335:</td>
<td colspan="2" class="diff-lineno">Line 335:</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>Scarfing the upper splice length of the piles preparatory to butt welding must be done by a cutting torch using a guide to assure a smoother chamber. A maximum of 1/8 inch land (shoulder) must be retained. If the end of the driven length of pile is damaged during the driving operation, it must be trimmed.</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>Scarfing the upper splice length of the piles preparatory to butt welding must be done by a cutting torch using a guide to assure a smoother chamber. A maximum of 1/8 inch land (shoulder) must be retained. If the end of the driven length of pile is damaged during the driving operation, it must be trimmed.</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">Offhand burning will be permitted if trimming is minor. </del>When it is necessary to cut a small section off the end of the driven pile length to square the end, burning must be done using a guide either clamped or tack welded in place. All adhering slag must be removed and the joint surfaces must be thoroughly cleaned by wire brushing before welding. A root opening of the butt joint needs to provide a 1/8 inch clear opening at the nearest point. When the 1/8 inch opening at the nearest point allows more than a 1/4 inch opening at other points, correction must be made to provide the correct opening before welding. Beveling by cutting will be required for correcting openings wider than 1/4 inch.</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>When it is necessary to cut a small section off the end of the driven pile length to square the end, burning must be done using a guide either clamped or tack welded in place. All adhering slag must be removed and the joint surfaces must be thoroughly cleaned by wire brushing before welding. A root opening of the butt joint needs to provide a 1/8 inch clear opening at the nearest point. When the 1/8 inch opening at the nearest point allows more than a 1/4 inch opening at other points, correction must be made to provide the correct opening before welding. Beveling by cutting will be required for correcting openings wider than 1/4 inch.</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>The root opening may be held by two wedges before tacking. The members to be welded must be brought into correct alignment along the pile length and held rigidly by clamps or by dogging. Clamps or dogs may be removed after tack welding sufficiently to hold the member in place.</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 root opening may be held by two wedges before tacking. The members to be welded must be brought into correct alignment along the pile length and held rigidly by clamps or by dogging. Clamps or dogs may be removed after tack welding sufficiently to hold the member in place.</div></td></tr>
</table>Clarkj25