UNSPSC 81151905: Field based geophysical survey consultants

Geophysicists apply the principles and concepts of physics, mathematics, geology, and engineering to the study of the physical characteristics of the earth and other planets. As a geophysicist, you would measure gravity and magnetic fields, seismic waves, temperatures, and natural electric current.

UNSPSC 81151905 Field based geophysical survey consultants is a Commodity code encompassing hydrologic and geophysical survey work that state and local governments procure primarily for aquifer characterization, groundwater resource assessment, and water supply planning. The Texas Water Development Board's solicitation for brackish groundwater production zone analysis across the Carrizo-Wilcox, Queen City, Sparta, and Yegua aquifers exemplifies the scope: analysis of aquifer production zones, delineation of salinity-based formations, production volume modeling, GIS-based subsurface mapping, and deliverables including shapefiles, technical reports, and hydrogeological documentation. Work under this code demands professional geoscientist licensure, advanced hydrogeologic expertise, familiarity with geophysical logs and subsurface databases, and statistical methods applied to groundwater characterization. State water development boards and water resource districts are the primary issuing bodies; county and municipal water utilities also solicit under this code for well evaluation, groundwater monitoring, and aquifer performance testing. Recent activity shows geophysical survey work concentrated in Texas and Florida, driven by water supply planning and groundwater resource assessment initiatives.

The Texas Water Development Board's brackish aquifer analysis RFP (58027RFP0003, due August 6, 2026) covers fourteen counties in Central Texas and requires ten years of hydrogeology experience, three years working with geophysical logs and GIS subsurface mapping, and a Subcontracting Plan with good faith effort toward VetHUB vendor participation; the contract runs through August 31, 2027, with potential one-year renewals through 2030. Volusia County, Florida's professional hydrogeological and well services RSQ (26SQ65SR, due April 9, 2026) sought consultant support for well evaluation, design, permitting, construction, and hydrogeological studies across twenty-six production wells and nine treatment facilities, requiring a licensed professional geologist and demonstrating five years of experience with Florida aquifers. Sarasota County, Florida issued an RPS for groundwater monitoring at the Carlton Memorial Reserve Wellfield (262824RM, due April 9, 2026), requiring quarterly and monthly sampling of monitor wells under Florida FDEP protocols and a three-year initial contract term. Recent opportunities also include unrelated work such as irrigation system upgrades and roofing consultant services, indicating some code-classification variation in state and local procurement systems. Professional liability insurance requirements range from $50,000 to $2,000,000 per claim across recent solicitations, with Florida counties emphasizing $1,000,000 minimum coverage.