Washington Aqueduct Venturi Pressure Transmitter Replacement
Closed Pre-Solicitation Posted
This opportunity was awarded. See the award notice from , or the latest solicitation from .
- Solicitation number
- PANNAD-22-P-0000-003521
- Agency
- ENDIST Baltimore US Army Corps of Engineers, Department of Defense
- Responses due
- Set-aside
- Total Small Business
Opportunity facts
- NAICS code
- 238220 Plumbing, Heating, and Air-Conditioning Contractors
- Place of performance
- Washington, District of Columbia 20016, United States
Notice details come from SAM.gov. Updated .
About this opportunity
This pre-solicitation notice is seeking a contractor to replace venturi pressure transmitters at the Washington Aqueduct Dalecarlia Water Treatment Plant for the Department of the Army Corps of Engineers Baltimore District. The contractor must clean venturi tube taps, replace associated piping, valves and fittings with stainless steel, and install new rate of flow and loss of head transmitters for each of 26 filters. The transmitters must be calibrated and calibration reports provided. Work is to be performed between June and December 2022 and must meet ISA standards. The deadline for proposals is January 16, 2023.
The opportunity is set aside for total small business concerns. The work involves cleaning and maintenance services under NAICS code 562910. The estimated value is under $250,000. The contractor must coordinate work with plant operations, properly dispose of waste, and comply with safety and security requirements. Invoices are to be submitted electronically or via mail to the Corps no more than 15 days after completion of the work.
Notice text
2 versions
Update #2 · Latest ·
The purpose of this contract action is to perform maintenance on the venturi tube taps following replacement of the transmitters and associated plumbing, electrical, and mounting accessories to provide accurate water flowrate and head pressure readings. The Contractor shall provide all labor, supervision, materials, equipment, and supplies to complete the following work for each of the (26) filter venturis in the East Filter Building:
- Clean high-pressure and low-pressure venturi tube taps using rodding and flushing procedures.
- Replace piping, valves, and fittings from the venturi taps to the Rate of Flow transmitter and Loss of Head transmitter. Bronze or steel isolation valves shall be replaced with 304 stainless steel type. All other material types shall be replaced in kind.
- Replace the Rate of Flow transmitter and the Loss of Head transmitter and perform calibration on the new transmitters. Replace all conduits, fittings, and conductors between the transmitters and the control console. Incorporate a means to prevent water ingress into the transmitters via the incoming conduit (i.e. drip loop, grommets, seals, etc.). Provide a calibration report for each transmitter.
- Replace the mounting posts supporting the transmitters with 304 stainless steel posts and properly mount the transmitters for visual operation of the screens.
Please see attached draft Performance Work Statement (PWS) for more details. Interested vendors that are capable of fulfilling the PWS may submit a capabilities statement by the closing date for consideration.
Email capabilities statement to Rosemarie.E.Rollins@usace.army.mil and Ryandale.R.Fernandez@usace.army.mil referencing the sources sought notice number PANNAD-22-P-0000 003521. Telephone inquiries will not be accepted or acknowledged, and no feedback will be provided. If you have any questions, contact Rosemarie Rollins at Rosemarie.E.Rollins@usace.army.mil.
Update #1 ·
The purpose of this contract action is to perform maintenance on the venturi tube taps following replacement of the transmitters and associated plumbing, electrical, and mounting accessories to provide accurate water flowrate and head pressure readings. The Contractor shall provide all labor, supervision, materials, equipment, and supplies to complete the following work for each of the (26) filter venturis in the East Filter Building:
- Clean high-pressure and low-pressure venturi tube taps using rodding and flushing procedures.
- Replace piping, valves, and fittings from the venturi taps to the Rate of Flow transmitter and Loss of Head transmitter. Bronze or steel isolation valves shall be replaced with 304 stainless steel type. All other material types shall be replaced in kind.
- Replace the Rate of Flow transmitter and the Loss of Head transmitter and perform calibration on the new transmitters. Replace all conduits, fittings, and conductors between the transmitters and the control console. Incorporate a means to prevent water ingress into the transmitters via the incoming conduit (i.e. drip loop, grommets, seals, etc.). Provide a calibration report for each transmitter.
- Replace the mounting posts supporting the transmitters with 304 stainless steel posts and properly mount the transmitters for visual operation of the screens.
Please see attached draft Performance Work Statement for more details.
Attachments
| File | Type | Posted |
|---|---|---|
| A.03.17 DRAFT PWS Venturi Pressure Transmitter Replacementpdf.pdf |
Notice history
| Notice | Type | Posted |
|---|---|---|
| Washington Aqueduct Venturi Pressure Transmitter Replacement | Award Notice | |
| Washington Aqueduct Venturi Pressure Transmitter Replacement | Solicitation | |
| Washington Aqueduct Venturi Pressure Transmitter Replacement | Pre-Solicitation | |
| Washington Aqueduct Venturi Pressure Transmitter Replacement | Pre-Solicitation |
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