Introduction to the Revised ACI 336.1 Specification for Drilled Pier Construction

Monday, November 4, 2024  4:00 PM - 6:00 PM, Grand BR Salon A

This session will provide an overview of the changes that have been made to the 336.1 Specification for Construction of Drilled Piers. This is the first revision in over twenty years to the specification. The session will also provide guidance to the specifier on referencing and customizing this specification. This session should be attended by engineers and contractors involved on projects which include drilled pier foundations.

Specification Part 1: General

Presented By: Rudolph Frizzi
Affiliation: Langan Engineering & Environmental Services
Description: The revised 336.1 specification is comprised of three separate parts. This presentation provides a general overview of the entire specification and discusses updates relevant to Part 1, including: document scope; interpretation; definitions; referenced standards; submittals; delivery, storage, and handling; and quality assurance, quality control, and acceptance of work. In addition, relevant notes to specifier and mandatory and optional checklist requirements will be presented.

Specification Part 2: Products

Presented By: David Hartmann
Affiliation: Frank W. Neal and Assoc., Inc.
Description: The revised 336.1 specification is comprised of three separate parts. This presentation discusses updates relevant to Part 2 (Products), including: general, casing and liner, reinforcing, concrete, grout, slurry, and tremie or concrete pipe. In addition, relevant notes to specifier and mandatory and optional checklist requirements will be presented.

Specification Part 3: Execution

Presented By: Scott Jacobs
Affiliation: Keller North America
Description: The revised 336.1 specification is comprised of three separate parts. This presentation discusses updates relevant to Part 3 (Execution), including: tolerances, rock sockets, belled piers, and installation. In addition, relevant notes to specifier and mandatory and optional checklist requirements will be presented.

Owner, Engineer, Contractor Panel Discussion

Presented By: Ian McFarlane
Affiliation: Magnusson Klemencic Associates Inc
Description: Panelists representing Owner, Engineer, and Contractor entities will discuss the specification implications from each of their perspectives.