New York S 10505: 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

Bill Text

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S10505 Summary:

BILL NOS10505 

&nbsp

SAME ASSAME AS A11488

&nbsp

SPONSORKAVANAGH

&nbsp

COSPNSR

&nbsp

MLTSPNSR

&nbsp

Amd §§378 & 374, Exec L

&nbsp

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.

Go to top S10505 Actions:

BILL NOS10505 

&nbsp

05/15/2026REFERRED TO HOUSING, CONSTRUCTION AND COMMUNITY DEVELOPMENT

Go to topS10505 Committee&nbspVotes:

Go to topS10505 Floor&nbspVotes:

There are no Assembly votes for this bill in this legislative session.

Go to topS10505 Text:

 STATE OF NEW YORK
 ________________________________________________________________________

 10505

 IN SENATE

 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:

 1 Section 1. Section 378 of the executive law is amended by adding a new
 2 subdivision 21 to read as follows:
 3 21. a. Standards for the use of a water demand calculator in new
 4 construction and substantial renovations requiring that:
 5 (i) all plumbing system designers, architects, and builders shall use
 6 a water demand calculator to determine pipe and fixture sizing for use
 7 in all covered buildings;
 8 (ii) calculations for pipe and fixture sizing based on a water demand
 9 calculator shall be submitted as part of any construction permit appli-
 10 cation for a covered building;
 11 (iii) building permit approval for covered buildings shall be contin-
 12 gent upon verified use of a water demand calculator; and
 13 (iv) failure to comply with the requirements of this paragraph shall
 14 result in design rejection or delayed permits for covered buildings.
 15 b. The council shall be authorized to certify water demand calculators
 16 deemed technically sound for use in covered buildings.
 17 c. As used in this subdivision, the following terms shall have the
 18 following meanings:
 19 (i) "Water demand calculator" shall mean an algorithm, such as the
 20 uniform plumbing code appendix M water demand calculator, certified
 21 pursuant to paragraph b of this subdivision to be used to estimate the
 22 water demand of a building.
 23 (ii) "Covered building" shall mean any new construction or substantial
 24 renovation of a single-family or multi-unit residential building.
 25 (iii) "Substantial renovation" shall mean a project that involves the
 26 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.
 LBD13879-01-5

 S. 10505 2

 1 plumbing systems, and renovations or conversions that require new plumb-
 2 ing layout permits. "Substantial renovation" shall not include struc-
 3 tural or cosmetic renovations which require permitting but are unrelated
 4 to plumbing systems.
 5 § 2. Section 374 of the executive law is amended by adding a new
 6 subdivision 10 to read as follows:
 7 10. a. The chairperson of the council shall appoint an advisory board
 8 on water demand calculator usage in covered buildings.
 9 b. Such advisory board shall monitor the use of water demand calcula-
 10 tors in new construction and substantial renovations of covered build-
 11 ings pursuant to the provisions of subdivision twenty-one of section
 12 three hundred seventy-eight of this article, and shall monitor and keep
 13 records of cost savings resulting from the use of such water demand
 14 calculators in covered buil