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Civil Engineering & Infrastructure

Building the backbone of communities with sustainable, efficient, and durable infrastructure designs.

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Engineering the Foundation of Growth

Civil engineering is about more than just concrete and asphalt; it's about connecting people and enabling development. At Dapan Engineering, we deliver precision civil designs for residential estates, commercial parks, and public infrastructure.

Whether you need a simple access road or a complex integrated master plan with water, sewer, and drainage networks, our team ensures your infrastructure is robust, cost-effective, and built to last in the Kenyan climate.

Road Construction in Kenya

Infrastructure Solutions

Comprehensive design services for land development and public works.

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Road & Pavement Design

Design of durable access roads, internal estates roads, and heavy-duty pavements using flexible or rigid construction methods.

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Drainage Systems

Comprehensive stormwater management including flood analysis, culvert design, and sustainable drainage systems (SuDS).

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Water Supply Networks

Hydraulic modelling and design of water distribution networks, storage tanks, and pumping stations for communities and industries.

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Sewerage & Sanitation

Design of effective sewer reticulation systems, septic tanks, and soak pits for reliable waste management.

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Site Grading & Earthworks

Optimization of cut-and-fill volumes, platform levels, and earthworks planning to minimize costs and ensure stability.

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Master Planning

Integrated infrastructure planning for large-scale developments, ensuring seamless connectivity and utility provision.

Road Design & Access

A well-designed road not only provides access but adds value to a property. We design roads that balance traffic flow, safety, and construction cost.

Geometric Design: Optimizing alignment to fit the terrain and minimize earthworks.
Pavement Structuring: designing layer thicknesses for anticipated traffic loads (light vehicles vs trucks).
Junctions & Roundabouts: Safe entry and exit designs tailored to traffic volumes.
🛣️Efficient Road Network Design
Water Supply and Drainage

Water & Drainage Systems

Water is life, but uncontrolled water is a hazard. We engineer systems to deliver clean water efficiently and manage stormwater safely.

Sustainable Drainage (SuDS): Integrating swales and retention ponds to manage runoff naturally.
Flood Risk Assessment: Analyzing catchment areas to prevent flooding of developed areas.
Water Reticulation: Designing pressure-balanced pipe networks for consistent supply.

Sustainable Infrastructure

The future of engineering is green. We integrate sustainability into our civil designs by prioritizing:

🌱 Low-Impact DevelopmentMinimizing impervious surfaces to reduce runoff.
🔄 Material EfficiencyBalancing cut and fill to reduce material transport.
🌧️ Rainwater HarvestingDesigning systems to capture and reuse water.

Project Lifecycle

01

Feasibility & Survey

We start with topographical surveys and geotechnical investigations to understand the physical constraints of the site.

02

Preliminary Design

Developing conceptual layouts for roads and utilities to establish the most efficient and cost-effective strategy.

03

Detailed Engineering

Producing comprehensive construction drawings, profiles, and cross-sections ready for contractor pricing and execution.

04

Approvals

Liaising with relevant authorities (KURA, KeNHA, Country Governments) to obtain necessary design approvals.

05

Tendering

Preparing Bill of Quantities (BOQ) and tender documents to help you select a competent contractor.

06

Supervision

Monitoring construction quality and progress to ensure the infrastructure performs as designed.

Frequently Asked Questions

Why is proper drainage design critical?

Poor drainage is the leading cause of road failure and foundation damage. Professoinal design ensures water is effectively channeled away, extending the lifespan of your infrastructure.

What is the difference between flexible and rigid pavement?

Flexible pavement (tarmac/asphalt) relies on layers to distribute loads, while rigid pavement (concrete) uses slab action. We recommend the best option based on traffic and soil conditions.

Do you handle county approvals?

Yes, we prepare all necessary engineering drawings and reports required for county government and authority approvals.

Can you design for steep slopes?

Absolutely. We specialize in site grading and retaining structures to make steep terrain usable and safe for development.

Start Your Project on Solid Ground

From road networks to water systems, we provide the engineering expertise to get your project approved and built right.

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