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10.26.2021-SBN-Standards-Manufacturer-Additions-Minor-Revisions-final
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10.26.2021-SBN-Standards-Manufacturer-Additions-Minor-Revisions-final
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5/6/2024 3:44:43 PM
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5/6/2024 3:43:30 PM
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Board of Public Works
Document Type
City Property
Document Date
5/6/2024
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SECTION 4 – SANITARY <br />66 <br />6.) The polyamine epoxy used to coat the manhole adjusting rings shall be applied per <br />manufacturer’s recommendations. <br />7.) If necessary, subsequent top coating or additional coats of the protective coating should occur <br />as soon as the basecoat becomes tack free, no later than the recoat window for the specified <br />products. Additional surface preparation procedures will be required if this recoat window is <br />exceeded. <br />8.) At the termination of each material, a construction joint shall be installed to ensure the coating <br />is an airtight barrier to protect the existing structure material. <br />9.) If the upstream and downstream pipe connections have been lined, the protective manhole <br />coating shall be applied to overlap and secure the lining material to the manhole as well as <br />reestablish/reconstruct the inverts. <br />10.) When groundwater loading is not an issue and only a corrosion barrier is required, the <br />rehabilitation lining shall be installed to the thickness necessary to qualify as a monolithic (void <br />free) liner. The roughness of the substrate will dictate the thickness needed to create the <br />monolithic liner and eliminate any opportunity for voids in the lining. The minimum value for <br />coating thickness, for corrosion protection, and for non-structural rehabilitation, shall be 125 <br />mils and 150 mils on average. <br />4-3.13 LIFT STATIONS <br />Section under development. <br />4-4 TESTING <br />4-4.1 TRENCH COMPACTION <br />4-4.1 (a) TESTING REQUIREMENTS <br />1.) Maximum density shall be determined by AASHTO T-99 (Standard Method) as modified by <br />INDOT Standard Specifications Section 203.24 of the State Specifications using Method A for <br />soil and Method C for granular material. <br />2.) The minimum soil compaction requirements for trench backfill material and pavement <br />subgrade shall be as shown in Standard Drawing 4-11. <br />3.) A minimum of one (1) Compaction Test will be required on the backfill for each sewer pipe <br />and force main pipe transverse run that is under the pavement or concrete curb. A minimum of <br />three (3) Compaction Tests will be required on the backfill for sewer pipe or force main pipe <br />run. A pipe run is the length between structures or values. <br />4.) Location of the Compaction Tests will be selected by the City Engineer’s representative.
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