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UNDERPINNING  \nP R E S E N T E D B Y  \nGEOFF EISELE, PE, EXECUTIVE ENGINEER Engineering & Safety Operations  \nCOPYRIGHT  \nThis presentation is protected by United States and International Copyright laws. Reproduction, distribution, display and use of the presentation without written permission of the speaker is prohibited.  \n© 2021 New York City Department of Buildings  \n20 DIGITAL CONSTRUCTION  \n21 SAFETY CONFERENCE  \nDISCLAIMER  \nThe information in this document is only a summary and overview and is not intended to substitute for the full text and meaning of any law, rule or regulation. The City disclaims any liability for errors that may be contained in this document and shall not be responsible for any damages, consequential or actual, arising out of or in connection with the use of this document and/or the information contained herein. The City reserves the right to take action at variance with this document. This document shall not be construed to create a substantive or procedural right or benefit enforceable by any person. The information contained in this document is current only as of the publication date of this document.  \n© 2021 New York City Department of Buildings  \n20 DIGITAL CONSTRUCTION  \n21 SAFETY CONFERENCE  \nPRESENTATION OVERVIEW  \nThis presentation will provide an overview of the NYC Administrative and Building Code requirements as they relate to Excavation and Underpinning. Examples will be utilized to demonstrate how design and construction errors and omissions impact property as well as public and worker safety. The presentation also reviews proper methods for sequencing and monitoring excavations to assure structural stability during excavation and underpinning operations.  \n20 DIGITAL CONSTRUCTION  \n21 SAFETY CONFERENCE  \nDOB NOW: Build  \nFoundation, Earthwork, and Support of Excavation Filings  \nAs of December 28, 2020 Foundation (FO), Earthwork (EA), Support of Excavation (SE) filings to be done through DOB NOW: Build  \n[https://www1.nyc.gov/site/buildings/business/service-updates.page](https://www1.nyc.gov/site/buildings/business/service-updates.page)  \n20 DIGITAL CONSTRUCTION  \n21 SAFETY CONFERENCE  \nIMPORTANCE OF SUPPORT OF EXCAVATION & SOIL WEIGHT  \n20 DIGITAL CONSTRUCTION  \n21 SAFETY CONFERENCE  \n■ A single cubic yard of soil weighs approximately 3,000 lbs.  \n■ A 2021 Honda Accord weighs approximately 3,150 lbs.  \nCOMMON ERRORS & OMISSIONS  \nAdjacent Building Structure Not Indicated  \nAdjacent buildings structure not shown on the plans. Bottom of existing adjacent footings not indicated.  \n20 DIGITAL CONSTRUCTION  \n21 SAFETY CONFERENCE  \n2014 BUILDING CODE: CHAPTER 1 ADMINISTRATION  \nBC 107 Construction Documents  \nBC 107.7.1 Foundation Plans  \nFoundation plans shall show compliance with the requirements of Chapter 18 of this code regarding foundation design and shall show the plan locations, design loads, design elevations of the bottoms, and details as to sizes, reinforcement, and construction of all footings, piers, foundation walls, pile groups, and pile caps. The levels of footings of adjacent structures shall be indicated or, if the adjacent structures are pile supported, this shall be stated. Where applicable, the plans shall include underpinning details.  \n20 DIGITAL CONSTRUCTION  \n21 SAFETY CONFERENCE  \n2014 BUILDING CODE: CHAPTER 1 ADMINISTRATION  \nBC 107 Construction Documents  \nBC 107.8 Earthwork Plans  \nFor excavation operations, the plans shall also indicate the levels of footings of all adjacent structures or, if the adjacent structures are pile supported, this shall be stated. Where applicable, the plans shall also include underpinning details, soil information in accordance with Chapter 18, and a final grading plan representing the lot after all earthwork, excavation or fill operations have been completed.  \n20 DIGITAL CONSTRUCTION  \n21 SAFETY CONFERENCE  \nBOTTOM","cbCaivHhQmd7cLW3","https://ap.wps.com/l/cbCaivHhQmd7cLW3","pdf",4346740,82,"English","# PRESENTATION OVERVIEW\n## DOB NOW: Build - Filings\n## IMPORTANCE OF SUPPORT OF EXCAVATION & SOIL WEIGHT\n## COMMON ERRORS & OMISSIONS\n## 2014 BUILDING CODE: CHAPTER 1 ADMINISTRATION\n## DISCLAIMER","[{\"question\":\"What does the presentation cover regarding excavation and underpinning?\",\"answer\":\"It reviews NYC Administrative and Building Code requirements for excavation and underpinning, including proper sequencing and monitoring to assure structural stability and safety during operations.\"},{\"question\":\"How should foundation, earthwork, and support of excavation filings be submitted?\",\"answer\":\"The document states that, as of December 28, 2020, FO, EA, and SE filings must be done through DOB NOW: Build.\"},{\"question\":\"Why is documenting the bottom of existing adjacent footings important?\",\"answer\":\"The presentation notes that bottom documentation must be completed prior to filing and permitting with the Department, and indicates the consequences of not addressing it correctly.\"}]","DIGITAL CONSTRUCTION SAFETY CONFERENCE - EXCAVATION SAFETY: SUPPORT OF EXCAVATION & UNDERPINNING - Presented by Geoff Eisele, PE | PDF",207]