Builders and developers working in the Paloma Creek South community need water, sewer, storm and electrical lines in the ground before a single pad can be poured, and they need that underground work to line up with the grading and concrete that follow. We coordinate trench excavation, pipe, structures, backfill and testing, and then the slabs, aprons and pavements that cover them, so one schedule governs the whole site.
Paloma Creek South is a census designated place, so we call it a community and not a city. The Census Bureau splits the Paloma Creek master-planned development in northeastern Denton County into Paloma Creek and Paloma Creek South, and US 380 runs between them. Any utility that serves both sides of the development has to cross a major state route, which adds permits, traffic control and a narrow construction window.
We schedule, coordinate and inspect the trade partners who excavate, lay pipe, set manholes and vaults, and place concrete. Drainage and grading are part of the same plan, because the grades that shed water from a lot also set the cover over every pipe beneath it.
Services that belong in one underground package
A site utility package combines water main installation, sanitary sewer, storm drain, fire lines and hydrants, electrical and communications conduit, and the concrete structures that join them. Grouping them under one coordinator reduces conflicts at crossings and lets the owner pay for a single mobilization.
Drainage services overlap with utilities, since storm pipe, inlets and detention outlets are underground work too. When we handle both, we set invert elevations and cover depths together and avoid the late discovery that a sewer lateral sits where a storm pipe was drawn. Detention basins and outlet structures receive the same treatment: we confirm the outlet invert, the pipe size and the emergency spillway before the basin is excavated, since a basin built a foot too shallow holds less water than the calculation assumed.
What the underground scope includes
Typical elements include clearing and rough grading, trench excavation with shoring where needed, bedding, pipe installation, manholes, valves, hydrants, services to each lot or building, backfill in compacted lifts, testing and restoration of pavement or landscape. Structures such as vaults, headwalls and thrust blocks are formed and poured to the plan.
Records matter on this type of work. We keep daily logs, test results, photographs of key steps and a marked-up set of drawings that becomes the as-built record the utility owner needs.
A highway corridor under reconstruction
A TxDOT fact sheet dated October 2025 prices the US 380 widening from US 377 east to the Collin County line at $140 million. The road grows from four lanes to six, and five major intersections, including Navo Road at Union Park Boulevard and FM 423 at Gee Road, gain grade separations. Work on that scale reshapes access, drainage and utility corridors for every parcel along the road.
Behind the highway, Dallas-based Provident Realty Advisors planned the Paloma Creek development for 5,600 homes on about 1,200 acres, split between 900 sites on the north side and 4,700 on the south. A development with thousands of homes keeps creating demand for utility extensions, commercial service connections and drainage work, and homebuilders and multifamily developers are the buyers who feel it most because they need lots served before they can start houses.
Buildings that need connections
Neighborhood retail, restaurants, medical offices and service buildings all arrive with a list of utility needs: domestic water, fire sprinkler lines, sanitary connections, grease or sand interceptors and electrical service. Each building type changes the size and depth of the lines, and a clinic or restaurant may require more than a simple retail shell.
For retail shopping centers, we locate service stubs before the slab is poured so tenants can be added later without cutting concrete.
Plan, pothole, install, test, document
We start by reading the utility drawings and the geotechnical report, then locate existing lines with utility potholing and locating before machines open the trench. Bedding and backfill are placed in lifts, compaction is tested, and pressure or deflection tests are scheduled with the inspector present.
Every crossing is checked against the plan, and when a field condition forces a change we record it with a sketch and a photograph so the as-built drawing is accurate. Utility owners and cities increasingly ask for digital as-built information, and we organize photographs and survey points so the data can be supplied without a scramble at the end.
Clay, groundwater and the highway right-of-way
Clay soils in this part of Denton County swell and shrink, and a trench backfilled with the wrong material can act as a channel for water. We choose backfill that matches the engineer's specification and compact it carefully, particularly near pavement and slabs.
Work near US 380 is subject to the state's rules for right-of-way access, traffic control and restoration. Boring or jacking pipe under the road may be required to avoid cutting the pavement, and the permit lead time can be long, so we apply early. Where a trench must be cut across a local street, we phase it so only one lane closes at a time and the surface is patched with the specified material before traffic is released.
Sequencing trenches, grading and concrete
Utilities go in after rough grading and before final grade, and backfill must be tested before pavement or slabs. Pour dates then follow the utilities. If the sequence slips, we reorder work to keep partners productive, for example by shifting to a different phase or pad.
Weather plays a role, since open trenches fill with water and clay becomes slick. We schedule dewatering and pipe delivery so trenches are open for the shortest practical time.
What changes underground pricing
Pipe size and depth, rock, groundwater, shoring and traffic control drive cost. Crossing a state highway adds boring, permitting and inspection. Restoration of pavement and landscape is also a significant item, and we separate it in the proposal.
Owners can save money by combining services in one trench where the engineer allows, by releasing long-lead structures early and by phasing work so equipment stays busy. Little Elm, Prosper and Frisco show how different cities set different fees and standards, so we collect those details at bid time.
Send the Paloma Creek South plans
Share the utility plan, grading plan and soil report for your project in the Paloma Creek South community. We will return a clear scope and price for the underground work and the concrete above it.
Common Questions
How do you cross a state highway with a utility line?
By boring or jacking a casing under the roadway, which avoids cutting the pavement. A state permit and a traffic control plan are required, and the lead time is usually longer than for local work.
Who tests the water and sewer lines?
The utility owner or its inspector witnesses pressure, deflection and flushing tests, and a lab handles compaction and concrete. We schedule each and keep the reports.
Can you coordinate grading with the utilities?
Yes. We set rough grade, install the lines at the right cover depth and finish grade after backfill is tested, so the surface drains as designed.
What if we find an unmapped line?
We stop, identify the owner and decide with the engineer whether to protect, relocate or reroute. Potholing before excavation reduces the chance of this problem.