SOURCES SOUGHT
B -- Rio Grande Sediment Sampling and Gage Maintenance
- Notice Date
- 6/17/2016
- Notice Type
- Sources Sought
- NAICS
- 541990
— All Other Professional, Scientific, and Technical Services
- Contracting Office
- USGS OAG SACRAMENTO ACQUISITION BR. MODOC HALL, CSUS 3020 STATE UNIVERSITY DRIVE EAST SACRAMENTO CA 95819-6027 US
- ZIP Code
- 00000
- Solicitation Number
- G16PS00567
- Response Due
- 6/30/2016
- Archive Date
- 7/15/2016
- Point of Contact
- Cabalsi, Charlan
- Small Business Set-Aside
- N/A
- Description
- This is a Request For Information ¿ This synopsis is for information and planning purposes only and is not to be construed as a commitment by the Government. No contract will be awarded as a result of this Sources Sought announcement. The United States Geological Survey, Office of Acquisition and Grants is soliciting information from qualified sources; the results of this announcement will be evaluated to determine if there are businesses capable of performing the proposed work. The US Geological Survey, Office of Acquisition and Grants seeks responses from vendors that possess the capability to conduct sediment sampling, instrument maintenance, data retrieval and channel surveys needed in order to complete the science objectives outlined in the project: A.Technical Requirements. Project Element 1: Sediment Sampling and Sediment Gage Maintenance 1.Contractor much make site visits at a minimum of once a month to 4 sediment monitoring stations: Rio Grande above Castolon, TX, Rio Grande above Rio Grande Village, TX, Terlingua Creek near Terlingua, TX, and Tornillo Creek near Langford Hot Spring, TX. At the Rio Grande stations, acoustic instrumentation in both frequencies (1 and 2 mhz) must be downloaded, reprogrammed, and relaunched. Downloaded files must be converted to acoustic beam and velocity files. For Nortek EZQ profilers,.EZQ files must be converted into.DAT,.HDR,.RA1,.RA2,.RA3,.RA4, and.SEN files. For Nortek Aquadopp profilers,.PRF files must converted to.SEN,.SSL,.V1,.V2,.WAD,.WHD,.A1,.A2 files. Contractor must analyze files in field to verify that instrument operated correctly during the entire period of record, and that the entire period of record was downloaded. 2.Contractor must check all electronic connections, test battery voltage, investigate noise and voltage within downloaded files. Acoustic instrument heads must be cleaned upon each download if flow conditions allow. 3.Contractor must retrieve all samples from the automatic pump samplers at each station, properly recording the data that accompanies each sample. All pump tube intakes need to be cleaned. Pump samplers need to be reprogrammed upon retrieval. For Rio Grande pump samplers, this requires that the program operates based on input from attached pressure transducers, such that samples are collected based on the flow stage and volume of each flood event. Power supply and voltage must be checked. Pump sample data must be compiled in a summary. 4.Hobo, In-Situ, and SR-50 transducers and stage-measurement devices at each of these stations need to be downloaded, backed up, and verified for accuracy. 5.Depth-integrated suspended-sediment samples must be collected at the Rio Grande above Castolon, and Rio Grande above Rio Grande Village at a minimum of 6 times per year. One of these samples needs to be collected at low flow with a DH-48 sampler. The remaining five samples need to be collected at high flow from a boat mounted with a crane using either a D-74 or D-96 sampler. For each flow sampled, bed-sediment needs to be sampled with a BMH-60 or BM-54 at three locations across the channel. Depth-integrated suspended-sediment samples must be collecting using the Equal-Width-Increment method at a minimum of 10 stations across the channel. Average surface flow velocity, sampler transit rate at each station, and total transit time for each of the 10 stations must be recorded and entered into a spreadsheet. All sampling needs to be conducted using approved USGS protocols. Grab-samples must be collected using the pump sampler must be collected before and after each high-flow suspended-sediment sample. Boat, sampling frame, and crane must be supplied by contractor. 6.All acoustic data files, transducers and stage-measurement files, pump sampler datasheets, suspended-sediment and bed-sediment sample datasheets must be emailed to the GCMRC PI within 5 days after data collection. Project Element 2: River Surveys and Stage Measurements 1.Sixty-eight established river cross sections must be surveyed using RTK GPS during low flow in the winter or spring. These cross sections include 19 located within a 1.5 mile reach above Castolon, TX, 16 located within a 1.5 mile reach near the Solis boat ramp, and 33 located within a 4 mile reach upstream from Rio Grande Village, TX. Cross-section endpoints must be ¿staked-out ¿ using GPS software, followed by the complete survey of the each river cross section. If flow depths prevent wading, GPS measurements must be made in conjunction with depth-soundings from a boat in order to complete of offshore parts of the survey. Surveys must be downloaded and compiled in a spreadsheet whereby all data from an individual cross section are isolated, and plots of cross-section topography for each cross section are produced. These data will be emailed to GCMRC PI within one month of data collection 2.In-Situ and Hobo stage and atmospheric pressure transducers must be downloaded during the cross section surveys, and quarterly the remainder of the year. These devices include 1 logger deployed in the Castolon reach, 2 loggers deployed in the Solis reach, and 2 loggers deployed in the Hot Springs reach. These data will be emailed to GCMRC PI within 5 days of data collection. B.Deliverables. 1.Monthly data files from 4 acoustic instruments emailed to project PI within 5 days of data collection. Files specified in Project Element 1.1. 2.Monthly summary sheets from pump samplers, and transducers at the four sediment stations must be emailed to project PI within 5 days after data collection. 3.Summary sheets of suspended- and bed-sediment samples must be compiled and emailed to project PI within 5 days after data collection. 4.Bottles obtained from EWI sampling, and sample bags obtained by bed sampling at the Rio Grande sediment gages will be retrieved annually or bi-annually by project PI during site visits. There must be a minimum of 120 bottles associated with the 6 samples at each site (10 bottles/sample). In the event there is a not a sufficient number of high flows to sample, an additional low flow sample may be collected, or the sampling regime may be re-evaluated by the PI. 2.A summary of all work must be included in a report and delivered to the project PI by the end of the year/contract. For further information, interested parties may contact the Contracting Officer, Charlan Cabalsi at (916)278-9329 or ccabalsi@usgs.gov by the due date, 06/30/2016.
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