REPLACEMENT OF MOTORIZED STEAM CONTROL ZONE VALVE STATIONS AND HEATING CONTROL PANELS AT VARIOUS NYCHA DEVELOPMENTS WITHIN THE BOROUGH OF MANHATTAN

Replacement of Motorized Steam Control Zone Valve Stations and Heating Control Panels at Various NYCHA Developments within the Borough of Manhattan

SCOPE OF WORK:

The work to be done under this Contract consists of providing all labor, materials, equipment and other incidental items required to complete the following:

1. 1. 1. Remove all control wiring from the motorized steam control valve to the terminal box in the tank room.
      2. Disconnect the pressure and compound gauges’ connection from zone valve station.
      3. Remove existing steam control zone valve stations including motorized steam control valves, all gate valves, by pass valves, strainers and all associated piping.
      4. All valves removed not claimed by NYCHA shall become contractor’s properties and shall be legally disposed.
      5. Reconnect the existing pressure and compound gauges to the new steam control zone valve station.
      6. Provide new adequate control wiring with conduit from the new motorized steam control valve to the existing terminal box in the tank room. New control cables shall be as specified in Sec. C of the SOW. In the opinions of NYCHA that existing control cables could be reused, NYCHA will give contractor the directions.
      7. Test the equipment in all modes of operation.
      8. Check piping for leaks.
      9. Calibrate new motorized steam control valves to agree with settings as indicated on the heating control panel.
      10. Replace heating control panel. The new heating control panel shall be the same model as the one removed or as directed by NYCHA.
      11. Reconnect all existing control wiring and electrical wiring to new panels for the proper operation.
      12. Install new steam control zone valve stations as per manufacturer’s recommendation and best trade practice.

1. A new steam control zone valve station shall include the following:

1. 1. 1. A new motorized steam control valve.
      2. New valve shall be MEPCO RTMS type or equal.
      3. Two new gate valves, before and after motorized steam control valve - ate valves shall be of iron body, OS and Y type, 125 psig steam or 200 WOG rating.
      4. A new strainer before the motorized steam control valve - strainer shall be of the "Y" type with valve blowdown and shall have cast iron body and baskets shall be brass, monel or stainless steel. No plugs will be permitted.
      5. All gate valves, strainer, and piping shall be the same sizes as the motorized steam control valve.
      6. A new by-pass valve on steam by-pass which shall be globe type rising stem, of same class rating and material as specified for gate valves - by-pass valve shall be one size smaller than the motorized steam control valve.
      7. Provide all required unions, reducers, fittings, hangers and miscellaneous components which comprise the steam station.
      8. Provide modifications and alterations to the existing piping for the proper installations of new steam control zone valve stations, when required.
      9. Provide new asbestos free insulation to the new steam control zone valve station.
      10. Materials and thickness shall be the same as the existing conjunction piping.

1. If adequate control cables are required for the proper operations of new heating control panels, contractor has two (2) options:

1. Use the spare conductors from the existing control cable. OR

1. As approved and directed, utilize the existing underground spare conduits to install new adequate control cables. This work shall be compensated by allowance.

1. New control cables shall be of multi shielded twisted pair type (STP) with a temperature rating 200°C.

1. Each conductor to be of No. 16 AWG stranded or solid tinned copper wire, covered with no less than 0.010" in concentric wall of color coded Teflon (TFE) insulation.

1. Conductors are to be formed into multi-conductor cable, uniformly round, shielded with tinned copper and covered with a concentric jacket or Teflon impregnated fiberglass.

TERM: 3 years plus two one-year extensions (at the discretion of NYCHA).

Section 3 and M/WBE: Please be advised that the Section 3 REO & OEO Plans and the M/WBE Utilization Plan & Waiver and other related documentation must be uploaded via eComply, https://nycha.ecomply.us/. Do not include Section 3 or M/WBE documentation within your bid submission via iSupplier. For assistance with eComply log-in, please contact eComply Tech support at support@ecomplysolutions.com. For assistance with M/WBE Utilization Plan and Section 3 REO/OEO Plan submission in eComply, please contact NYCHA’s SMP Vendor Diversity team at eComply.support@nycha.nyc.gov.

Pre-Bid Conference. A non-mandatory virtual Pre-Bid Conference will be held on March 4th, 2025 at 10:30 AM and will be conducted remotely via Microsoft Teams meeting.  Although attendance is not mandatory at the Pre-Bid Conference, it is strongly recommended that all interested Bidders attend, and that Bidders thoroughly review bid documents in advance of the meeting.

To participate in the Pre-Bid Conference, please follow the instructions below:

Microsoft Teams Meeting

Join on your computer or mobile app: click to join meeting

Option 1: Copy and paste the below in browser:

https://teams.microsoft.com/l/meetup-join/19%3ameeting_OTI0ZDM1YTEtODkyMC00MmNmLThhYWYtYTJjMjMwNTU3YmEy%40thread.v2/0?context=%7b%22Tid%22%3a%22709ab558-a73c-4f8f-98ad-20bb096cd0f8%22%2c%22Oid%22%3a%22d3ad4d7d-b23c-46b6-a970-2e5863640413%22%7d

Meeting ID: 241 271 569 167 Passcode: 4qw6pP3g

Option 2: C all in (audio only) +1 646-838-1534,241271569167# United States, New York City

Phone conference ID: 241 271 569 167 #

RFQ Timeline:

RFQ Question Submission Deadline 3/7/25 at 2:00PM

Question and Answer Release Date 3/14/25 at 2:00PM