Bubbler and Desiccant.pdf
PDF 81 KB Posted
- Attached to
- BUBBLER AND DESICCANT KIT
- Solicitation number
- S-69000-00002593
- Issued by
- Marion County, Oregon
About this file
This document outlines the specifications for a Bubbler & Desiccant Compact Flow Bubbler device requested by the Oregon Water Resources Department (OWRD). The device must have a pump, tank, manifold, control board, display/keypad, and enclosure, and include an optional external desiccant. It must meet stringent accuracy requirements for stage/level, internal temperature, battery, and pressure measurements. The bubbler must have a built-in datalogger and SDI-12 ports for communications and maintenance. OWRD may purchase up to 60 or more units over the life of the resulting contract. Proposals will be evaluated based on price, how the item meets the specifications, warranty, customer service accessibility, compatibility with existing OWRD equipment, and compliance with USGS/OWRD standards.
The document also outlines the related state and local contract opportunity in Oregon, involving the jurisdictions of Marion County and the City of Salem. Pricing, including volume discounts, should be provided, and substitutions or comparable devices may be considered if they meet the specified standards.
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Bubbler & Desiccant
Compact Flow Bubbler, preferably self-contained, precision device to measure water levels & temperature. Must have a pump, tank, manifold, control board, display/keypad & enclosure. Must include an optional external desiccant. Have pressure sensor with high accuracy requirements for stream gaging & monitoring of tidal/coastal areas, estuaries & reservoirs. The Bubbler must be equipped with a built-in datalogger for stand-alone operation and/ or backup (redundant) data recording and SDI- 12 ports for communications and maintenance. The front panel includes a display and keypad.
Parameters Measured Stage/Level Internal Temperature Battery Pressure Accuracy 0.05% reading with minimum of 0.01 ft Housing Material Polycarbonate Maximum Operating Pressure 3 Measuring Interval 1 s - 24 h Measuring Range Depth 25 psi 57 ft;
Memory Built-in flash, ˃300,000 readings, SD card included, no USB Operating Temperature Range -25 - +60 °C standard, -40 - +60 °C optional Operating voltage 12 - 16 VDC Orifice Fitting Size 4/6mm tube or 3/8” tube Pressure Range 25 PSI SD Card SDI-12 port Technology Constant Flow Bubbler with user-programmed bubble rate.
Must include Pricing for volume purchase.
The device must be manufactured from high-quality materials to withstand the occasional drops, vibrations, pollutants, temperature extremes and humidity variations. It must be weather-resistant and must withstand prolonged exposure to sunlight, rain, sleet and snow.
The user interface must allow the operator to make USGS quality one, two, and three point measurements easily and accurately, quickly review measurement in the field, and automatically download and review the measurements on a computer.
ADDITIONAL INFORMATION - OWRD may purchase 60 units or more for the life of the resulting contract.
Bid should include volume discounts or price reductions where available. Substitution or recommendation of comparable device is welcome, but proposal must include both the specified item and the comparable to be considered. Substitution without the specified standards will be considered nonresponsive. Proposals will be evaluated based on the following: - Price 25 points - How the proposed item meets the specifications above 15 points - Warranty 15 points - Accessibility to Customer Service – 15 points - Compatibility with existing OWRD Equipment 20 points - How product meets USGS/OWRD standards – 10 points.
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