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APPENDIX 3D
MODEL SPECIFICATION – HYDRAULICALLY-DRIVEN PUSH PIER SYSTEMS
Chapter 3
Hydraulically-Driven Push Piers
7
QUALIFICATIONS OF INSTALLING CONTRACTOR AND DESIGNER
7.1 The Installing Contractor and Pier Designer shall submit to the Owner, a proposal including the
documentation required in this Section. Work shall not begin until all the submittals have been
received and approved by the Owner. All costs associated with incomplete or unacceptable
submittals shall be the responsibility of the Installing Contractor.
7.2 Evidence of Installing Contractor’s competence in the installation of push piers shall be provided
to the Owner’s satisfaction and may include any or all of the following:
7.2.1 Pier manufacturer’s certificate of competency in installation of push piers,
7.2.2 A list of at least three projects completed within the previous three years wherein the
Installing Contractor installed push piers similar to those shown in the project Plans.
Such list to include names and phone numbers of those project representatives who
can verify the Installing Contractor’s participation in those projects, and/or
7.2.3 A letter from the pier manufacturer or manufacturer’s representative expressing ability
and intent to provide on-site supervision of the pier installation.
7.3 A listing of all safety violations lodged against the Installing Contractor within the previous three
years and the current status or final resolutions thereof. Descriptions of safety improvements
instituted within the previous three years may also be submitted, at the Installing Contractor’s
discretion.
7.4 Evidence of Pier Designer’s competence shall be provided to the Owner’s satisfaction and may
include any or all of the following:
7.4.1 Registration as a Professional Engineer or recognition by the local jurisdictional authority,
7.4.2 A list of at least three projects completed within the previous three years wherein the
Pier Designer designed push piers similar to those shown in the project Plans. The list
shall include names and phone numbers of those project representatives who can verify
the Pier Designer’s participation in those projects, and/or
7.4.3 Recommendation from the pier manufacturer or manufacturer’s representative.
8
PRE-CONSTRUCTION SUBMITTALS
8.1 Within 2 weeks of receiving the contract award, the Installing Contractor and/or Pier Designer
shall submit the following push pier design documentation:
8.1.1 Certification from the Pier Designer that the proposed piers meet the requirements of
this specification.
8.1.2 Qualifications of the Installing Contractor and Pier Designer per Section 7.
8.1.3 Product designations for system components and ancillary products to be supplied at
each push pier location.
8.1.4 Individual pier nominal loads, factors of safety, LRFD load and resistance factors and
required ultimate pier capacities, where applicable.
8.1.5 Individual pier loading requirements (if any).
