Summary
Boardwalk installation consists of about 2,900 linear feet of timber planking nominally eight feet in width. At higher elevations, hand railings with wire mesh and toe rails are in place. The installation is supported by helical piers installed at a typical separations of 12 feet (EXACT SEPARATIONS REQUIRE FIELD MEASUREMENT). Timber joists are connected to the piles by means of aluminum hangers. The installation includes several wider viewing platforms, stairs, benches and other miscellaneous design variations for pedestrian use. The prior contractor installed the timber elements over a period of about four weeks. During substantial completion inspection, defective work was discovered throughout the structure. The defective work is classified into 11 categories, which are listed and described in the June 30, 2023 Supplemental Defective Work Notice (SDWN). The 11 categories are as follows: 1. Joist hangers installed without maximum fastener condition specified by hardware fabricator, MiTek. 2. Gaps between joists and pile caps exceed hanger hardware specifications. 3. Square hangers used to support skewed joists in excess of hardware skew tolerance. 4. Hangers installed too low, resulting in unsupported joists, low joists, unapproved use of wood shims and hanger deformation due to use of shims. 5. Interior hangers improperly modified and installed for exterior use. 6. Missing or improperly installed helical pile plates. 7. Hanger fasteners not fully installed. 8. Hangers improperly modified and incompletely fastened to accommodate skewed joists, and at intersection with helical pile plates. 9. Skewed joist hangers used to support straight joists, in excess of hardware skew tolerance. 10. Absence of hangers at joist/pile cap junction. 11. Absent or improper nailing of hangers, resulting in failure to meet hardware fastening requirements, joist damage/splitting and improper horizontal alignment.
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