Category: CHECKPOLE

CHECKPOLE v6.2.0 released

CHECKPOLE v6.2.0 is now live and can be downloaded here. New features and enhancements include:

  • View and manage the users/workstations associated with a licence by clicking Licence > Details.
  • Specify External Corner Radius (rext) of polygonal members in Edit > Settings > SHAFT.
  • Override design wind pressures in Edit > Settings > WIND.
  • Introduction of triple openings.
  • Load cases and factors now displayed under LOADING > CASES.
  • Specify shielding factors for ancillaries.
  • AS/NZS 1170: Significant improvements to Terrain Category detection and Terrain/Height Multiplier (Mz,cat) calculation.
  • AS/NZS 1170: Delete specific Terrain Category zones.
  • AS/NZS 1170: Significant improvements to shielding structure detection and Shielding Multiplier (Ms) calculation.
  • AS/NZS 1170: Significant improvements to Topographic Multiplier (Mt) calculation.
  • TIA-222-H: Significant improvements to Exposure Category detection and Velocity Pressure Coefficient (Kz) calculation.
  • TIA-222-H: Significant improvements to Topographic Factor (Kzt) calculation.
  • Introduction of AASHTO LRFD LTS-1 wind analysis (USA, Asia, Middle East).
  • Significant reduction in analysis and design time.
  • Automatically determine natural frequency, rotation and deflection for Rocla monopoles.
  • TIA-222-H: Improvements to connection design.
  • LRFD LTS-1: Introduction of finite life fatigue calculation.
  • Automatically determine site-specific Mean Wind Speed for fatigue design based on relevant government data for Australia, New Zealand and USA.

CHECKPOLE v6.1.0 released

CHECKPOLE v6.1.0 is now live and can be downloaded here. New features and enhancements include:

  • AS/NZS 1170: Improvements to Terrain Category detection and Terrain/Height Multiplier (Mz,cat) calculation.
  • AS/NZS 1170: Improvements to Topographic Multiplier (Mt) calculation including criteria for shielding provided by significant upwind features.
  • TIA-222-G/TIA-222-H: Improvements to Basic Wind Speed (V) detection.
  • TIA-222-G/TIA-222-H: Improvements to Exposure Category detection and Velocity Pressure Coefficient (Kz) calculation.
  • TIA-222-G/TIA-222-H: Improvements to Topographic Factor (Kzt) calculation.
  • TIA-222-G/TIA-222-H: Improvements to shaft drag calculations.
  • TIA-222-G/TIA-222-H: Improvements to connection design calculations.
  • Linear Loads now only contribute to monopole loading for a specific wind direction if TIA-222-H Table 2-8a criteria is met.
  • Point Loads now visualised in the Analysis tab.
  • Results can be toggled on/off in Analysis tab.
  • Introduction of AASHTO LRFD LTS-1 fatigue design.

CHECKPOLE v6.0.0 released

CHECKPOLE v6.0.0 is now live and can be downloaded here. New features and enhancements include:

  • Complete 3D model interface.
  • Export model to DXF, IGES and STEP.
  • Design embedded and rooftop monopoles.
  • Specify access systems, which will be accounted for in shaft drag calculation.
  • Reset site location parameters.
  • AS/NZS 1170: Improvements to Topographic Multiplier (Mt) calculation including criteria for shielding provided by significant upwind features.
  • TIA-222-G/TIA-222-H: Improvements to Topographic Multiplier (Kzt) calculation.
  • Allocate ancillaries to specific mounts.
  • Expanded ancillary library now contains over 700 antennas, including new 5G antennas from Commscope and Ericsson.
  • Improvements to detailed connection design calculations.
  • Detailed foundation design calculations.
  • Improvements to Summary and Detailed reports.
  • Export drawings to DWG.

CHECKPOLE v5.7.0 released

CHECKPOLE v5.7.0 is now live and can be downloaded here. New features and enhancements include:

  • User interface improvements to maximise usable screen area.
  • Significant speed improvements using multithreading.
  • AS/NZS 1170: Improvements to Terrain Category detection and Terrain/Height Multiplier (Mz,cat) calculation for New Zealand sites.
  • TIA-222-G/TIA-222-H: Improvements to Exposure Category detection and Velocity Pressure Coefficient (Kz) calculation.
  • TIA-222-G/TIA-222-H: Introduction of Average Elevation methodology for Topography Factor (Kzt) calculation.
  • Introduction of connection design to CSA S37.
  • Detailed Connection Design calculations now available under Design > Connections subtab.
  • Site Report now available under Document tab.

CHECKPOLE v5.6.0 released

CHECKPOLE v5.6.0 is now live and can be downloaded here. New features and enhancements include:

  • Significant speed improvements when importing topography data.
  • Significant speed improvements when assembling map imagery.
  • Revised ancillary library with new CommScope and Kathrein 5G antennas.
  • Connections with multiple anchor bolts now considered “redundant” for fatigue design to ASI 2012.

CHECKPOLE v5.5.0 released

  • New “Viewer” mode allows unlicenced users to explore features.
  • Google map imagery automatically compared against Land Cover Database for sites in New Zealand.
  • AS/NZS 1170: Improvements to Terrain Category detection and Terrain/Height Multiplier (Mz,cat) calculation for New Zealand sites.
  • AS/NZS 1170: Improvements to shielding structure detection and Shielding Multiplier (Ms) calculation.
  • AS/NZS 1170: Improvements to Topography Multiplier (Mt) calculation.
  • TIA-222-G/TIA-222-H: Improvements to Exposure Category detection and Velocity Pressure Coefficient (Kz) calculation.
  • TIA-222-G/TIA-222-H: Improvements to Topography Factor (Kzt) calculation.
  • TIA-222-G/TIA-222-H: Upwind shielding sector plotted for Topography Factor (Kzt).
  • Users can now specify a negative water surface level.
  • Updated Ancillary library with new antennas.

CHECKPOLE v5.4.0 released

CHECKPOLE v5.4.0 is now live and can be downloaded here. New features and enhancements include:

  • Existing custom monopole libraries created in v5.0.0 onwards will automatically be converted to the new format.
  • Rocla monopole library has been updated to include openings, superceded poles and recent changes to SR poles with 8M24 tip ferrules.

CHECKPOLE v5.3.0 released

CHECKPOLE v5.3.0 is now live and can be downloaded here. New features and enhancements include:

  • Updates to Terrain Category, shielding structures and Exposure Category detection algorithms to account for recent changes to Google’s map data format.
  • TIA-222-G/TIA-222-H: Updated ice wind speed maps for Puerto Rico, U.S. Virgin Islands, Guam and American Samoa.
  • TIA-222-G/TIA-222-H: Improved Topography Factor (Kzt) calculation including an option to adopt Crown Castle reference ENG-PRC-10040 design methodology.
  • TIA-222-G/TIA-222-H: View average upwind terrain level in Topography Factor (Kzt) review dialog.
  • Introduction of TIA-222-H Section 4.8.2 criteria leading to less conservative cross-section calculations at openings for steel monopoles.

CHECKPOLE v5.2.0 released

CHECKPOLE v5.2.0 is now live and can be downloaded here. New features and enhancements include:

  • AS/NZS 1170: Improvements to Topographic Multiplier (Mt) calculation.
  • TIA-222-G/TIA-222-H: Improvements to Topographic Factor (Kzt) calculation.
  • Define water level for topography detection near inland lakes and rivers with surface levels above mean sea level.

CHECKPOLE v5.1.0 released

CHECKPOLE v5.1.0 is now live and can be downloaded here. New features and enhancements include:

  • Now optimised as a 64-bit application (no more pesky System.OutOfMemoryException errors).
  • Monopole openings can now be viewed in section and elevation.
  • Improvements to Type 4 opening reinforcement.
  • New automated Topographic Multiplier (Mt) detection algorithm to AS/NZS 1170 (more on that below).
  • Users can now override Topographic Multiplier (Mt) values.
  • Introduction of our own Basic Wind Speed maps to TIA-222-G and TIA-222-H.
  • Improvements to automated Exposure Category (Kz) detection to TIA-222-G and TIA-222-H.
  • New automated Topographic Factor (Kzt) detection algorithm to TIA-222-G and TIA-222-H based on Crown Castle and SEAW RSM-03 guidelines.
  • Improvements to fatigue design to AASHTO 2013.

Topographic Multiplier (Mt) Detection Improvements

Until now, CHECKPOLE has used a combination of the 500 m segment criteria from the AS/NZS 1170.2 commentary (though with a “rolling” 500 m segment instead of less accurate 500 m increments from the crest suggested by AS/NZS 1170.2), in addition to our own local minimum criteria to determine the base of a feature.

Figure 1: AS/NZS 1170.2 C4.4.2

However, the problem with utilising the local minimum criteria is that the base might be determined as being at the bottom of a valley with a steep slope for certain terrain, leading to overly conservative Mt values, as shown in Figure 2.

Figure 2: CHECKPOLE v5.0.7 results

The local minimum criteria was intended to avoid situations where the 500 m segment might identify the “base” as being halfway up/down a slope, which seemed counter intuitive. Regardless, we’ve adjusted the algorithm and removed the local minimum criteria and now rely solely on the 500 m segment method. This has led to an overall reduction in Mt values across all of our test sites, as shown in Figure 3.

Figure 3: CHECKPOLE v5.1.0 results