Project Information

Bid Title

82627Y0899-DEL-465

Issuing Agency

City of New York

Location

New York

Published Date

Sep 29, 2026

Closing Date

Oct 12, 2026

Government Level

State & Local

Status

Closed

Ref. #

82627Y0899

Original Source

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Project Description

Program:	WATER SUPPLY
Industry:	Professional Services - IT Related
EPIN:	82627Y0899
Procurement Name:	82627Y0899-DEL-465
Agency:	DEPARTMENT OF ENVIRONMENTAL PROTECTION
RFx Status:	Planned
Procurement Method:	RFI
Release Date:	9/28/2026 9:00:00 AM
Due Date:	10/12/2026 5:00:00 PM
Main Commodity:	Application Maintenance Services

Show / Hide : Summary Summary

EPIN 82627Y0899	Release Date 9/28/2026 9:00:00 AM (Your Local Time)
Estimated Number of Contracts 1.00
Estimated Procurement Value 6,494,880.00
Agency DEPARTMENT OF ENVIRONMENTAL PROTECTION
Agency Contact First Name Fiorella
Agency Contact Last Name Leal
Agency Contact Email fleal@dep.nyc.gov
Concept Report
RFx Title 82627Y0899-DEL-465
RFx Status Planned

Show / Hide : Description Description

DEP intends to enter into a Sole Source agreement with Hazen and Sawyer for DEL-465 to provide technical supporting services, training and knowledge transfer and implementation of additional OST platform enhancements . OST is a dynamic water supply system software that is designed to evolve with the addition of new water quality models or expand existing models with new water quality constituents as these became important and/or required to comply with regulations. Ultimately, DEL-465 will improve OST capabilities and flexibility and prepare DEP staff to more effectively, without or with limited external support, maintain and continue improve OST and provide technical/modeling support to NYC Water Supply daily operations, infrastructure repair projects, long-term planning and water supply climate change vulnerability and adaptation assessments, while being better prepared to take on emerging challenges related to NYC water supply. Any firm which believes it can also provide the required service IN THE FUTURE is invited to so, indicated by letter which must be received no later than October 12, 2026 , 5:00 pm at: Department of Environmental Protection, Agency Chief Contracting Officer, 59-17 Junction Blvd., 17 th Floor, Flushing, New York 11373, ATTN: Fiorella Leal, Fleal@dep.nyc.gov DEP intends to enter into a Sole Source agreement with Hazen and Sawyer for DEL-465 to provide technical supporting services, training and knowledge transfer and implementation of additional OST platform enhancements . OST is a dynamic water supply system software that is designed to evolve with the addition of new water quality models or expand existing models with new water quality constituents as these became important and/or required to comply with regulations. Ultimately, DEL-465 will improve OST capabilities and flexibility and prepare DEP staff to more effectively, without or with limited external support, maintain and continue improve OST and provide technical/modeling support to NYC Water Supply daily operations, infrastructure repair projects, long-term planning and water supply climate change vulnerability and adaptation assessments, while being better prepared to take on emerging challenges related to NYC water supply. Any firm which believes it can also provide the required service IN THE FUTURE is invited to so, indicated by letter which must be received no later than October 12, 2026 , 5:00 pm at: Department of Environmental Protection, Agency Chief Contracting Officer, 59-17 Junction Blvd., 17 th Floor, Flushing, New York 11373, ATTN: Fiorella Leal, Fleal@dep.nyc.gov

Show / Hide : Key Dates Key Dates

Anticipated Contract Start Date (M/d/yyyy) 2/15/2027

Anticipated Contract End Date (M/d/yyyy) 2/14/2030

Release Date (M/d/yyyy) 9/28/2026

Due Date (M/d/yyyy) 10/12/2026

Bid Opening Date (M/d/yyyy) 12:00:00 AM

Questions Due Date (M/d/yyyy) Agency Users may not respond to your question if it is submitted after this date.

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