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Senate Bill S10505

2025-2026 Legislative Session

Relates to requiring the use of a water demand calculator in new construction and substantial renovations and establishing an advisory board to monitor such usage

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Current Bill Status - In Senate Committee Housing, Construction And Community Development Committee

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2025-S10505 (ACTIVE) - Details

Current Committee:
Senate Housing, Construction And Community Development
Law Section:
Executive Law
Laws Affected:
Amd §§378 & 374, Exec L

2025-S10505 (ACTIVE) - Summary

Provides that the New York state uniform fire prevention and building code shall address standards requiring the use of a water demand calculator to determine pipe and fixture sizing for use in new construction and substantial renovations of single-family and multi-unit residential buildings; directs the chairperson of the state fire prevention and building code council to appoint an advisory board to monitor the use of water demand calculators in new construction and substantial renovations and to monitor and keep records of cost savings resulting from the use of such water demand calculators.

2025-S10505 (ACTIVE) - Sponsor Memo

2025-S10505 (ACTIVE) - Bill Text download pdf 

                             
                     S T A T E   O F   N E W   Y O R K
 ________________________________________________________________________
 
                                   10505
 
                             I N  S E N A T E
 
                               May 15, 2026
                                ___________
 
 Introduced  by Sen. KAVANAGH -- read twice and ordered printed, and when
   printed to be committed to the Committee on Housing, Construction  and
   Community Development
 
 AN ACT to amend the executive law, in relation to requiring the use of a
   water  demand  calculator  in  new  construction and substantial reno-
   vations and establishing an advisory board to monitor such usage

   THE PEOPLE OF THE STATE OF NEW YORK, REPRESENTED IN SENATE AND  ASSEM-
 BLY, DO ENACT AS FOLLOWS:
 
   Section 1. Section 378 of the executive law is amended by adding a new
 subdivision 21 to read as follows:
   21.  A.  STANDARDS  FOR  THE  USE  OF A WATER DEMAND CALCULATOR IN NEW
 CONSTRUCTION AND SUBSTANTIAL RENOVATIONS REQUIRING THAT:
   (I) ALL PLUMBING SYSTEM DESIGNERS, ARCHITECTS, AND BUILDERS SHALL  USE
 A  WATER  DEMAND CALCULATOR TO DETERMINE PIPE AND FIXTURE SIZING FOR USE
 IN ALL COVERED BUILDINGS;
   (II) CALCULATIONS FOR PIPE AND FIXTURE SIZING BASED ON A WATER  DEMAND
 CALCULATOR  SHALL BE SUBMITTED AS PART OF ANY CONSTRUCTION PERMIT APPLI-
 CATION FOR A COVERED BUILDING;
   (III) BUILDING PERMIT APPROVAL FOR COVERED BUILDINGS SHALL BE  CONTIN-
 GENT UPON VERIFIED USE OF A WATER DEMAND CALCULATOR; AND
   (IV)  FAILURE  TO COMPLY WITH THE REQUIREMENTS OF THIS PARAGRAPH SHALL
 RESULT IN DESIGN REJECTION OR DELAYED PERMITS FOR COVERED BUILDINGS.
   B. THE COUNCIL SHALL BE AUTHORIZED TO CERTIFY WATER DEMAND CALCULATORS
 DEEMED TECHNICALLY SOUND FOR USE IN COVERED BUILDINGS.
   C. AS USED IN THIS SUBDIVISION, THE FOLLOWING  TERMS  SHALL  HAVE  THE
 FOLLOWING MEANINGS:
   (I)  "WATER  DEMAND  CALCULATOR"  SHALL MEAN AN ALGORITHM, SUCH AS THE
 UNIFORM PLUMBING CODE APPENDIX  M  WATER  DEMAND  CALCULATOR,  CERTIFIED
 PURSUANT  TO  PARAGRAPH B OF THIS SUBDIVISION TO BE USED TO ESTIMATE THE
 WATER DEMAND OF A BUILDING.
   (II) "COVERED BUILDING" SHALL MEAN ANY NEW CONSTRUCTION OR SUBSTANTIAL
 RENOVATION OF A SINGLE-FAMILY OR MULTI-UNIT RESIDENTIAL BUILDING.
   (III) "SUBSTANTIAL RENOVATION" SHALL MEAN A PROJECT THAT INVOLVES  THE
 FULL  REPLACEMENT  OF A PLUMBING SYSTEM, SIGNIFICANT CHANGES TO EXISTING
 
  EXPLANATION--Matter in ITALICS (underscored) is new; matter in brackets
                       [ ] is old law to be omitted.

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