Services
At Dochaz Construction Services, we blend time-tested construction expertise with modern techniques to deliver high-performance concrete and asphalt solutions. Backed by decades of experience, a skilled workforce, and a commitment to quality, we take on a wide range of projects—from urban infrastructure to remote site developments—often under tight timelines and challenging conditions. Our comprehensive approach spans every phase of construction: from planning and design, to execution and long-term maintenance. This integrated capability has positioned us as a trusted partner in shaping durable, dependable infrastructure across Nigeria
Concrete busting, or breaking up concrete, is a critical service we offer at Dochaz Construction Services. It plays a vital role in preparing sites for new construction, renovations, or infrastructure upgrades. Our team employs advanced techniques and state-of-the-art equipment to efficiently break down concrete structures, regardless of their size or complexity. Whether it's reinforced concrete, slabs, or foundations, we ensure precision and minimal disruption to surrounding areas. With a focus on safety, environmental responsibility, and timely execution, Dochaz is your trusted partner for all concrete busting needs, delivering results that pave the way for successful project outcomes.
Concrete pouring and finishing involve placing and shaping freshly mixed concrete to create durable, aesthetically pleasing surfaces for structures like floors, driveways, or walls. The process includes: Concrete Pouring: Mixing concrete (cement, water, aggregates) and pouring it into prepared forms or molds. Proper placement ensures uniformity and strength, with vibration used to remove air bubbles. Finishing Techniques: Troweling: Smoothing the surface with a trowel for a polished, flat finish. Brooming: Dragging a broom across the surface for a textured, slip-resistant finish. Stamping: Pressing patterns (e.g., stone, brick) into wet concrete for decorative effects. Exposed Aggregate: Washing away surface cement to reveal embedded stones for a natural look. Polishing: Grinding and sealing for a glossy, high-end finish.
Asphalt, or asphalt concrete, is a durable, flexible material made of bitumen (a petroleum-based binder), aggregates (sand, gravel, or crushed stone), and additives, widely used for paving roads, driveways, and parking lots. Key aspects include: Production: Mixed at high temperatures (hot mix asphalt) or lower temperatures (warm/cold mix) in asphalt plants for specific project needs. Application: Spread and compacted in layers using pavers and rollers to form smooth, stable surfaces. Types: Hot Mix Asphalt (HMA): Most common, used for high-traffic areas due to strength. Warm Mix Asphalt (WMA): Lower production temps, eco-friendly, easier to work with. Cold Mix Asphalt: Used for temporary repairs or low-traffic areas, applied at ambient temps. Finishes: Surfaces can be sealed (sealcoating) for protection, textured for skid resistance, or colored for aesthetics.
Mass grading is the large-scale process of moving, shaping, and leveling earth to prepare a site for construction, such as for buildings, roads, or subdivisions. It involves altering the terrain to achieve desired elevations, slopes, and drainage patterns. Process: Includes clearing vegetation, excavating (cutting) high areas, filling low areas, and compacting soil to ensure stability. Equipment: Bulldozers, excavators, graders, and compactors are commonly used for efficient earth movement. Applications: Prepares sites for foundations, roads, parking lots, or landscaping by creating flat or sloped surfaces. Techniques: Cut and Fill: Balances excavated material (cut) with areas needing fill to minimize material transport. Compaction: Ensures soil density to prevent settling or erosion. Erosion Control: Uses silt fences, seeding, or drainage systems to manage runoff.
Seal coating is the process of applying a protective layer, typically a bituminous or asphalt-based emulsion, to asphalt surfaces like driveways, parking lots, or roads to extend their lifespan and enhance appearance. Purpose: Shields asphalt from UV rays, water, oil, and chemicals, preventing oxidation, cracking, and deterioration. Process: Involves cleaning the surface (removing debris, stains), filling cracks, and applying the sealant using sprayers or squeegees, followed by curing (drying) for 24-48 hours. Types: Coal Tar Emulsion: Durable, resistant to fuel/oil, commonly used for commercial lots. Asphalt Emulsion: Eco-friendly, easier to apply, suitable for residential use. Acrylic Sealers: Premium, used for decorative or high-traffic areas. Benefits: Improves skid resistance, restores a smooth, black finish, and reduces maintenance costs.
Striping, also known as pavement marking or line painting, is the application of highly visible paint or thermoplastic materials to asphalt or concrete surfaces to designate traffic lanes, parking spaces, pedestrian crossings, or other directional guides. Purpose: Enhances safety, organizes traffic flow, and ensures compliance with regulations (e.g., ADA for accessible parking). Materials: Paint: Water-based or solvent-based, cost-effective, used for low-traffic areas. Thermoplastic: Durable, heat-applied, ideal for high-traffic roads. Reflective Tape/Markers: High-visibility, often used for temporary or permanent markings. Process: Surface is cleaned, layout is marked (using stencils or templates), and markings are applied via sprayers, rollers, or extruders. Reflective beads may be added for nighttime visibility. Applications: Roads, parking lots, airports, and industrial sites for lanes, arrows, crosswalks, or symbols.
Patching and repairs involve fixing damaged asphalt or concrete surfaces, such as potholes, cracks, or spalls, to restore functionality, safety, and appearance. Purpose: Prevents further deterioration, improves surface integrity, and extends pavement lifespan. Types: Asphalt Patching: Cold Patch: Temporary fix using pre-mixed asphalt, applied without heating, ideal for small potholes. Hot Mix Patch: Permanent repair using heated asphalt, compacted for durability in high-traffic areas. Infrared Patching: Heats and reuses existing asphalt for seamless repairs. Concrete Repairs: Crack Filling: Seals cracks with flexible sealants to prevent water infiltration. Spall Repair: Fills chipped or broken areas with epoxy or concrete mix. Slab Replacement: Removes and replaces severely damaged sections. Process: Clean and remove debris, apply patching material, compact or level, and allow curing. For concrete, joint sealing may follow. Applications: Roads, driveways, parking lots, sidewalks, and industrial floors
We are here to answer any questions you may have and provide you with the information you need to make informed decisions about your construction projects.
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