Techno Metal Post NRC certification
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Techno Metal Post NRC certification - 1

Evaluation Report CCMC 13059-R Techno Pieux™/Techno Metal Post™ No Never ReRevised: MASTERFORMAT: evaluation Issued: 1. Opinion It is the opinion of the Canadian Construction Materials Centre (CCMC) that “Techno Pieux™/Techno Metal Post™”, when used as an auger-installed steel pile foundation system in accordance with the conditions and limitations stated in Section 3 of this Report, complies with the National Building Code 2010: • Clause 1.2.1.1.(1)(b), Division A, as an alternative solution that achieves at least the minimum level of performance required by Division B in the areas defined by the objectives and functional statements attributed to the following applicable acceptable solutions: ◦ Clause 4.2.3.8.(1)(e) Steel Piles ◦ Sentence 4.2.3.10.(1) Corrosion of Steel ◦ Sentence 4.2.4.1.(1) Design Basis ◦ Subclause 9.4.1.1.(1)(c)(i) General (structural requirements) This opinion is based on CCMC's evaluation of the technical evidence in Section 4 provided by the Report Holder. Ruling No. 03-06-95 (13059-R) authorizing the use of this product in Ontario, subject to the terms and conditions contained in the Ruling, was made by the Minister of Municipal Affairs and Housing on 2003-06-06 pursuant to s.29 of the Building Code Act, 1992 (see Ruling for terms and conditions). This Ruling is subject to periodic revisions and updates. 2. Description "Techno Pieux™/Techno Metal Post™" is an earth anchor constructed of single, double or triple helical-shaped, circular steel blades welded to a steel shaft. The blades conform to CAN/CSA-G40.21-M98 and are are available in diameters of 150 mm to 600 mm. They are constructed as a helix with a carefully controlled pitch. The diameter and number of blades are chosen based on the bearing capacity of the soil and the load the auger-installed steel pile is designed to support. The steel shaft conforms to ASTM A 500/A 500M-10a, grade C and is available in diameters of 47.6 mm, 60.3 mm, 88.9 mm, 101.6 mm, 141 mm and 168 mm with a wall thickness of 3.7 mm, 3.9 mm, 5.5 mm or 7.6 mm, 5.7 mm, 6.6 mm and 7.1 mm respectively. The shaft is covered with a ribbed polyethylene pipe, which acts as a frost sleeve to isolate the pile from being jacked up by annual frost heave in the surrounding soil. The central shaft is used to transmit torque during installation and to transfer axial loads to the helical blades; it also provides most of the resistance to lateral loading. The foundation system comes with various accessories, such as support plates to adapt it to the building structure, extension shafts and connectors, which conform to CAN/CSA-G40.21-M98. The piles are screwed into the ground using mechanized equipment. Sufficient downward pressure (crowd) is applied to advance the anchor one pitch distance per revolution until the applied torque attains a specified value. Extensions are added to the central shaft as needed. The

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Techno Metal Post NRC certification - 2

applied loads may be tensile (uplift), compressive (bearing), shear (lateral), or a combination thereof. The piles are rapidly installed in a variety of soil formations and are immediately ready for loading after installation. Figure 1 shows a typical steel pile with a single helix. Figure 1. "Techno Pieux™/Techno Metal Post™" 3. Conditions and Limitations CCMC's compliance opinion in Section 1 is bound by the “Techno Pieux™/Techno Metal Post™” being used in accordance with the conditions and limitations set out below. • "Techno Pieux™/Techno Metal Post™" may be used as a foundation system...

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Techno Metal Post NRC certification - 3

Table 1. Allowable Compressive and Tensile Loads for the "Techno Pieux™/Techno Metal Post™" AugerTable 1 footnote Installed Pile in Granular or Cohesive Soils or Silt 1 Allowable Loads Applied Torque Compression

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Techno Metal Post NRC certification - 4

Table 1. Allowable Compressive and Tensile Loads for the "Techno Pieux™/Techno Metal Post™" AugerTable 1 footnote Installed Pile in Granular or Cohesive Soils or Silt 1 (cont.) Allowable Loads Applied Torque Compression

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Techno Metal Post NRC certification - 5

Note to table 1 Footnote footnoteReturn 1table referrer 1to The allowable loads identified in this Table are valid when the "Techno Pieux™/Techno Metal Post™" is installed in granular or 1 cohesive soils or silt. The applied torque is the average of the values attained within the last 600 mm of installation. Special attention is required when the auger-installed steel piles are installed in a recently backfilled site. In these cases, Table 1 does not apply and the allowable loads need to be determined by on-site confirmatory testing. • Where "Techno Pieux™/Techno Metal Post™" is installed...

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Techno Metal Post NRC certification - 6

Disclaimer This Report is issued by the Canadian Construction Materials Centre, a program of NRC Construction at the National Research Council of Canada. The Report must be read in the context of the entire CCMC Registry of Product Evaluations, including, without limitation, the introduction therein which sets out important information concerning the interpretation and use of CCMC Evaluation Reports. Readers must confirm that the Report is current and has not been withdrawn or superseded by a later issue. Please refer to http://www.nrc-cnrc.gc.ca/eng/solutions/ advisory/ccmc_index.html, or...

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