BPC Green Guidelines

Contents Battery Park City Green Guidelines | July 2020 Executive Summary 8 Introduction 9 How to Use This Document 11 Document Content & Structure 11 Approach 13 Project Type Scenarios 16 Existing Buildings & Landscape 17 Introduction 18 Existing Building Certification Programs 22 Endnotes 23 Energy 24 Overview 25 Strategy 1: Deep Energy Retrofits 27 Priorities 27 Assessment 28 Intervention 41 Practice 83 Case Study 1A 89 Case Study 1B 90 Strategy 2: Building Electrification 91 Priorities 91 Assessment 92 Intervention 94 Practice 100 Case Study 2 101 Strategy 3: Renewable Energy Supply and Storage 102 Priorities 102 Battery Park City Green Guidelines | September 2020 Assessment 104 Intervention 106 Practice 109 Case Study 3 110 Resources 111 Abbreviations & Definitions 113 Endnotes 119 Water 124 Overview 125 Strategy 4: Water Conservation 128 Priorities 128 Assessment 130 Intervention 134 Practice 144 Case Study 4 146 Strategy 5: Water Recycling Systems 147 Priorities 147 Assessment 149 Intervention 153 Practice 157 Case Study 5 159 Strategy 6: Resiliency and Stormwater Management 160 Priorities 160 Assessment 161 Intervention 168 Practice 177 Case Study 6 179 Resources 180 Abbreviations & Definitions 182 Endnotes 187 Battery Park City Green Guidelines | September 2020 Materials & Waste 190 Overview 191 Strategy 7: Sustainable Building Materials 193 Priorities 193 Assessment 194 Intervention 201 Practice 215 Case Study 7 218 Strategy 8: Waste Diversion 219 Priorities 219 Assessment 221 Intervention 225 Practice 229 Case Study 8 231 Strategy 9: Construction and Demolition Activities 232 Priorities 232 Assessment 233 Intervention 236 Practice 247 Case Study 9 248 Resources 249 Abbreviations & Definitions 251 Endnotes 255 Site 261 Overview 262 Strategy 10: Biodiversity and Habitats 265 Priorities 265 Assessment 267 Intervention 283 Practice 293 Case Study 10A 296 Battery Park City Green Guidelines | September 2020 Case Study 10B 297 Resources 298 Abbreviations & Definitions 300 Endnotes 304 New Construction 307 Introduction 308 Buildings 309 New Building Projects 310 Endnotes 312 Site & Infrastructure 313 New Site & Infrastructure Projects 314 Endnotes 317 Appendices 318 Appendix A – Applicability Groups 319 Applicability Tables 321 Appendix B – Health and Wellbeing Summary 328 Appendix C – Synergies 332 Battery Park City Green Guidelines | September 2020 Executive Summary Battery Park City Green Guidelines | July 2020 9 Executive Summary | Introduction Introduction The Battery Park City Green Guidelines support the Targets and Strategies outlined in the Battery Park City Sustainability Plan of 2020. While achieving carbon neutrality by 2050 is an important aspiration for Battery Park City (BPC), it is equally important to do so while preserving and improving the neighborhood’s environmental quality for its residents and visitors alike. As such, these guidelines embrace the core values of the plan and provide technical guidance, relevant references, and a menu of Interventions and best practices for BPC property owners, building managers, and Battery Park City Authority (BPCA). These guidelines are applicable for site-scale upgrades, retrofits and renovations of existing buildings, ongoing building and grounds operations, as well as new construction projects. They set forth guidance to enhance the performance of current assets while minimizing the impact on natural resources. Although primarily focused on building performance, these guidelines highlight synergies between recommendations and public health and wellbeing. “We envision a Battery Park City that will serve as an innovative model for urban climate action, where all of us who live, work, and spend time here mobilize to create a sustainable future.” –Battery Park City Sustainability Plan It should be noted that these guidelines address environmental sustainability factors only. Other criteria or guidelines, including, but not limited to, design reviews and financial considerations, will apply to any new construction or building retrofit project as well. Guidelines for Existing Buildings & Landscape This document provides technical guidance on physical Interventions and ongoing operations for existing buildings, landscape, and site elements, but does not categorically mandate any of the Interventions described herein. Each property and/or individual project should select the design and implementation strategies based on need, aspirations, or obligation to satisfy legal or regulatory requirements as well as any existing or future contractual agreements. Guidelines for New Construction For all new construction projects, a set of mandatory requirements are defined that align with BPC’s overarching sustainability goals. Battery Park City Green Guidelines | September 2020 10 Executive Summary | Introduction Codes and Regulation Compliance Where applicable, industry standards, protocols, and procedures such as the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) standards have been referenced in this document. In the absence of such a standard, an overview of the key elements and considerations, based on industry best practices, has been provided for guidance in individual sections. Although it is the intent of all recommendations provided in this document to achieve the highest standard of performance, they do not supersede the requirement to meet all applicable local, regional, and federal regulatory requirements. Durable Guidelines The Green Guidelines are intended to be a resource for the BPC community over a period of ten years, and perhaps beyond. To ensure the applicability of these guidelines, the most current version of a source referenced is the applicable one at any given time. This will prevent this document from becoming obsolete as resources and references evolve. Should new pertinent directives, programs, legislation or standards develop over the next 10 years, mandatory or voluntary, that align with the aspirations of BPC and BPCA, they can be included or used to replace references or sources in this document, as determined at the discretion of BPCA. Note that there are several opportunities for interactive navigation within this PDF. Bookmarks (denoted by a symbol in the Adobe Acrobat interface) provide an ever-present list of links to the sections within this document. Cross-references are underlined, clickable pieces of text that navigate to figures, tables, and sections within this document. Endnotes are superscript, clickable numbers (1) that navigate to information sources compiled in the “Endnotes” sections. After clicking a bookmark, cross-reference, or endnote in Adobe Acrobat, you can hold Alt + Left Arrow to navigate back to your original location. Battery Park City Green Guidelines | September 2020 11 Executive Summary | How to Use This Document How to Use This Document The primary user groups for the Green Guidelines are the Battery Park City Authority (BPCA), Building Owners and Managers, and Condo Boards. These guidelines are designed to be a resource for multiple applications at different stages of planning, design, construction, or operations. As an example, a Condo Board may use the Green Guidelines to inform simple upgrades in their building they can accomplish either internally or via external expertise or, property managers may utilize them as part of a design approval process with BPCA. To cater to such diverse purposes, the Green Guidelines are structured to disseminate technical information in an easy-to-use way. The Green Guidelines are aligned with the Battery Park City Sustainability Plan and the Sustainability Implementation Plan, both of which should be reviewed for context. Where Interventions are supported by helpful implementation resources such as policies, programs, partnerships, tools, and funding mechanisms, references to the Sustainability Implementation Plan are provided. Document Content & Structure Since most Green Guidelines content pertains to existing assets, the bulk of the document provides detailed guidance for existing buildings and landscapes, with the content structured as shown in Figure 1. All requirements for new construction are presented at the end of the document with the content structured as shown in Figure 2. Figure 1: Existing Buildings and Landscape Organization Diagram Battery Park City Green Guidelines | September 2020 12 Executive Summary | How to Use This Document Figure 2: New Construction Organization Diagram In alignment with the Sustainability Plan, the guidelines for existing buildings and landscape are grouped into four primary Topics: Energy, Water, Materials & Waste, and Site. Overall there are 10 Strategies from the Sustainability Plan covered in the guidelines, as shown in Figure 3 in color. It should be noted that certain strategies defined in the Sustainability Plan do not require technical guidance and, as a result, are omitted from these guidelines, as shown in Figure 3 in grey text. See Appendix C – Synergies for opportunities to capture benefits across multiple strategies. Figure 3: Topic and Strategy Alignment Between Green Guidelines and Sustainability Plan Battery Park City Green Guidelines | September 2020 13 Executive Summary | How to Use This Document As shown in Figure 4, each of the strategies has three stages: Assessment, Intervention, and Practice. The Assessment stage describes methods to assess existing conditions and establish a baseline. The Intervention stage provides a host of potential physical improvements to enhance performance

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