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Full Design & Build Plant Services

Turn-key capital projects, from concept drawings and fabrication through erection, commissioning and start-up of your aggregate plant.

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Turn-key Capital Projects

From concept drawings and custom fabrication through erection, commissioning, and final start-up of your aggregate processing facility.

Capital projects live or die on coordination. The TSS Group self-performs plant design, structural fabrication, and field installation. Whether you are building a greenfield processing facility, replacing a primary jaw station, or retrofitting a multi-deck screening circuit, your project is delivered by a single accountable engineering and installation team, eliminating the delays, handoff gaps, and finger-pointing common with multi-contractor job sites.

Why Aggregate Producers Partner with TSS

Complete Concept-to-Commissioning Delivery

We begin every capital project with a comprehensive site walk, laser scanning, and a detailed review of your production goals. From there, we develop detailed layout drawings, structural calculations, and equipment integration plans tailored to your site’s topography and flow requirements.

Once engineering is finalized:

Core Plant Capabilities & Systems

System / CapabilityServices Included
Crushing & Screening StationsPrimary jaw replacements, secondary/tertiary cone circuits, VSI installations, double/triple-deck vibrating screen swaps, and grizzly feeder upgrades.
Sand & Washing CircuitsComplete wash plant erection, log washers, coarse material washers, hydrocyclones, dewatering screens, and settling pond pipework.
Material Handling SystemsOverland field conveyors, overland transfer towers, radial stackers, surge bins, turn-head chutes, and automated truck load-out structures.
Structural & Support SteelStructural towers, heavy plate chutework, impact beds, access walkways, handrails, stairways, and maintenance platforms built to OSHA/MSHA specs.

One contractor from drawing to start-up

We begin with a site walk and a production goal, then develop layout drawings, structural design and an equipment plan around it. Our shop fabricates the towers, chutes, catwalks and support steel; our millwright crews set the equipment, align the drives and commission the circuit. You approve one scope, one schedule and one point of contact.

Built for aggregate production realities

Our crews come out of quarries, sand plants and asphalt operations. Projects are staged so that tie-ins happen during planned downtime, laydown areas keep haul roads open, and the plant returns to full rate on the day we promised. Every field employee is MSHA Part 46 trained and works to a documented job safety analysis.

Proven on multi-million dollar CAPEX work

The TSS Group has delivered CAPEX projects for national producers including CRH, Martin Marietta and Vulcan Materials, new tertiary crushing stations, primary jaw crusher replacements, grizzly feeder swaps, double screen replacements and complete sand plant erections across the Mid-Atlantic and Southeast.

Frequently asked QUESTIONS

Can you handle the engineering as well as the build?

Yes. Our engineering team produces the layout, structural and fabrication drawings, and the same organization builds and installs them, which removes the usual gap between the design set and what fits in the field.

Always. Most of our capital work is staged so cutovers happen inside planned shutdowns or weekend windows, with pre-fabricated assemblies ready to set.

Yes. By self-performing design, fabrication, and installation, we eliminate the 15% to 25% markup markup that general contractors typically add to sub-contracted work. Furthermore, because our fabrication team reviews drawing sets before steel is cut, we catch fit-up issues early in shop drafting rather than discovering costly alignment errors in the field. 

We are brand-agnostic. We regularly design structures and integrate machinery from all major OEMs, including Metso, Sandvik, Superior Industries, KPI-JCI, McLanahan, and Deister. We can engineer structures around equipment you have already purchased or specify optimal machinery based on your target TPH and rock friction testing.

Our primary footprint covers the Mid-Atlantic and Southeast regions, but we regularly mobilize structural crews, heavy rigging equipment, and project management teams for major CAPEX build-outs and plant retrofits across the Eastern United States.

Baler Replacement

A heavy machinery replacement and structural integration project for material baling systems. The TSS Group manages the complex rigging, structural unbolting, crane hoisting, and precision installation of industrial balers and sorting equipment, ensuring seamless tie-ins with existing material handling conveyors and electrical control circuits.

Bucket Repair

A structural restoration, lip replacement, and wear-plate overhaul for heavy loader and excavator buckets. The TSS Group provides field and shop fabrication services, including structural crack repair, heel shroud replacement, cutting edge swaps, hardfacing, and installation of AR400/500 wear liners, to extend attachment lifespan in high-abrasion quarry environments.

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New Tertiary Crushing Station

A complete engineering layout and plant expansion design for a tertiary crushing circuit in Maryland. The TSS Group generated general arrangement drawings, elevation plans, and structural details for a new cone crushing structure, surge bin feed arrangement, maintenance platforms, and transfer conveyor system to boost finished product yield.

Grizzly Feeder Replacement

A heavy equipment swap and structural retrofit for a primary feed station in North Carolina. The TSS Group handled crane rigging, vault preparation, and precise drop-in installation of a heavy-duty Deister vibrating grizzly feeder directly into the primary dump hopper pocket.

Double Screen Replacement

A screening structure retrofit and equipment replacement project in Tennessee. The TSS Group executed complex indoor crane rigging and structural clearance work to remove legacy equipment and install two side-by-side vibrating screen decks inside an existing processing tower, complete with custom support framing and catwalk access modifications.

Primary Crusher Base Repair

A structural restoration and concrete foundation repair project for a primary crushing station in North Carolina. The TSS Group engineered temporary structural supports, placed rebar reinforcement, built custom concrete forms, and poured updated concrete piers to permanently stabilize the primary crusher support structure and mitigate operational vibration.

Primary Jaw Crusher Replacement

A capital replacement and heavy rigging project for a primary jaw crushing station in North Carolina. The TSS Group managed the structural steel modifications, crane lifts, and precision setting of a heavy-duty Metso jaw crusher onto reinforced concrete piers and structural baseplates within an active quarry operation.

Sand Plant Erection

A turnkey field erection and machinery installation of a sand processing facility in New Jersey. The TSS Group executed heavy crane rigging and structural placement of Eagle Iron Works (EIW) washing and classifying equipment, setting structural support towers, hoppers, dewatering components, and material handling conveyors onto concrete foundations.