ESBD_360065_1716239320716_580-24-IFB-2284.pdf

P.O. Box 13231, 1700 N. Congress Ave.

Austin, TX 78711-3231, www.twdb.texas.gov Phone (512) 463-7847, Fax (512) 475-2053

Our Mission

Leading the state’s efforts in ensuring a secure water future for Texas

Board Members

Brooke T. Paup, Chairwoman │ George B. Peyton V, Board Member │ L’Oreal Stepney, P.E., Board Member

Bryan McMath, Interim Executive Administrator

Bid Posting Date: May 20, 2024 Bid Due Date: June 3, 2024 Bid Time Due: 2:00pm Central Time

Bid Name: Transducers Reference No: 580-24-IFB-2284

The Texas Water Development Board is soliciting the following item(s) under a competitive proprietary solicitation.

Specifications for Pressure Transducers for Groundwater Monitoring

Pressure transducers (also referred to as pressure transmitters) for groundwater monitoring will meet the following performance specifications:

Accuracy, performance, and construction

Accuracy

±0.05% full-scale-range TEB

Total Error Band (TEB) includes the combined errors due to nonlinearity, hysteresis, nonrepeatability, and thermal effects over the compensated temperature range, per ISA S51.1.

Measurement Time < 1.5 s Output communications SDI-12 (version 1.3) 1200 bps Water-Level Resolution 0.0035% FS Worst-Case Temperature Resolution 0.006°C

Operating Temperature Range 0° to 60°C Temperature Accuracy ±0.2°C Overpressure 2 x pressure range Power Requirements 6 to 18 Vdc Body Material 316L stainless steel Ingress Protection Exceeds IP68 Diameter Less than 22 mm Mean time between failure >5 years

580-24-IFB-2284

Power Consumption Quiescent < 50 µA Measurement/Communication 10 mA (1 s measurement) Maximum 40 mA

Specific Items & Quantities Needed:

NIGP

Code

Model Part Number Qty Description Shipping Address

890-74 CS451-U-L300-

HA-72-SN

28790-1818 3 Pressure Transducer

SDI-12 /RS-232,

Stainless Steel -U w/User Defined Length 300ft cable per sensor -HA Higher 0.05% Accuracy -72 0-72.5psig (500kPa) -SN w/Standard Nose Cone

1700 Congress Avenue Austin, TX 78701

890-74 CS451-U-L500-

HA-72-SN

28790-2085 1 Pressure Transducer

SDI-12 /RS-232,

Stainless Steel -U w/User Defined Length 500ft cable per sensor -HA Higher 0.05% Accuracy -72 0-72.5psig (500kPa) -SN w/Standard Nose Cone

1700 Congress

890-74 CS451-U-L450-

28790-1819 3 Pressure Transducer

SDI-12 /RS-232,

Stainless Steel -U w/User Defined Length 450ft cable per sensor -HA Higher 0.05% Accuracy -72 0-72.5psig (500kPa) -SN w/Standard Nose Cone

1700 Congress

890-74 CS451-U-L400-

28790-1838 3 Pressure Transducer

SDI-12 /RS-232,

Stainless Steel -U w/User Defined Length 400ft cable per sensor -HA Higher 0.05% Accuracy -72 0-72.5psig (500kPa) -SN w/Standard Nose Cone

1700 Congress

890-74 CS451-U-L350-

28790-1822 1 Pressure Transducer

SDI-12 /RS-232,

Stainless Steel -U w/User Defined Length 350ft cable per sensor -HA Higher 0.05% Accuracy -72 0-72.5psig (500kPa) -SN w/Standard Nose Cone

1700 Congress

890-74 CS451-U-L250-

28790-1821 3 Pressure Transducer

SDI-12 /RS-232,

Stainless Steel -U w/User Defined Length 250ft cable per sensor -HA Higher 0.05% Accuracy -72 0-72.5psig (500kPa) -SN w/Standard Nose Cone

1700 Congress

890-74 CS451-U-L150-

HA-29-SN

28790-2053 2 Pressure Transducer

SDI-12 /RS-232,

Stainless Steel -U w/User Defined Length 150ft cable per sensor -HA Higher 0.05% Accuracy -29 0-29psig (200kPa)

1700 Congress

-SN w/Standard Nose Cone

890-74 CS451-200-HA-

29-SN

28790-1527 3 Pressure Transducer

SDI-12 /RS-232,

Stainless Steel -200 w/200ft per Probe -HA Higher 0.05% Accuracy -29 0-29psig (200kPa) -SN w/Standard Nose Cone

1700 Congress Avenue Austin, TX 78701

890-74 CS451-100-HA-

29-SN

28790-1723 2 Pressure Transducer

SDI-12 /RS-232,

Stainless Steel -100 w/100ft per Probe -HA Higher 0.05% Accuracy -29 0-29psig (200kPa) -SN w/Standard Nose Cone

1700 Congress Avenue Austin, TX 78701

N/A N/A N/A 1 Shipping 1700 Congress

*These specifications are being advertised under Section 2155.067 of the Texas Government Code. Only bids on items conforming exactly to these specifications, which include proposing only the brand name(s), make and model number(s) specified, will be considered in determining an award.”

Question and Answer Period: May 27, 2024 – May 28, 2024 All questions should be directed to TWDB Purchaser listed below at lauren.grooms-meyers@twbd.texas.gov.

Bid Submission Requirements:

A. Bids shall be emailed to Bid-Room@twdb.texas.gov B. Bids shall be received by Due Date: June 3, 2024 by 2:00pm Central Standard Time

(no late bids will be accepted) C. Bids shall contain the following information to be accepted;

a. Reference Bid Name, Reference Number, Due Date

b. Vendor full business name, address, city, state, and zip code;

c. Vendor contact name, phone, and email;

d. Vendor W-9 form;

mailto:lauren.grooms-meyers@twbd.texas.gov.

mailto:lauren.grooms-meyers@twbd.texas.gov.

mailto:Bid-Room@twdb.texas.gov

e. Description of item(s) being bid;

f. Quantity;

g. Cost (broken out by quantity);

h. Notification if there will be ongoing licensing or fee requirements;

i. State how the specification meets Texas Government Code: 2155.067, conforming to exact specification.

Shipping/Payment:

A. Freight Terms: FOB Destination B. Payment Terms: Net30