A.D.Herath Engineering
A.D.Herath Engineering
Building Sri Lanka's Future
Our Services

Our Services

Full construction and consultancy services for residential, commercial and government clients across Sri Lanka.

Construction & Consultancy

Building Construction

Building Construction

We manage the complete construction process for residential and commercial buildings, from foundation and structural works through to finishing and formal handover.

  • Residential houses and bungalows
  • Commercial buildings and shops
  • Reinforced concrete structures
  • Foundation and structural works
  • Complete finishing and tiling
  • Site supervision and quality control
Road Construction

Road Construction

We carry out road rehabilitation and new road construction for government and private clients, including earthworks, base courses, structural paving and surfacing to RDA specification.

  • Earthwork and sub-base preparation
  • Base course construction
  • Structural paving
  • Road surfacing and finishing
  • Culverts and drainage channels
  • Rural and urban road rehabilitation
Landscaping Works

Landscaping Works

We deliver high-quality compound and boundary works for residential, commercial and government clients, covering interlock paving, PVC chain link fencing and retaining walls.

  • Interlock paving and tile work
  • PVC coated chain link fencing
  • Boundary wall construction
  • Site clearing and levelling
  • Retaining walls
  • Compound and entrance works
Water Supply Work

Water Supply Work

We install complete water supply infrastructure for government agencies and community schemes, from pipe laying and service connections through to manhole construction and mains rehabilitation.

  • Water supply pipe laying
  • Manhole and chamber construction
  • Service connections
  • Water mains rehabilitation
  • Reservoir and tank works
  • National Water Supply Board projects
Design Consultancy

Design Consultancy

Our IQSSL-qualified quantity surveying team provides architectural design, BOQ preparation, cost estimation, building setting-out and contractor billing services.

  • Architectural house designs
  • Bill of Quantities (BOQ) preparation
  • Cost estimates and valuations
  • Building setting-out surveys
  • Contractor billing (IPA) preparation
  • Construction project advice
Government and NGO Projects

Government and NGO Projects

As an ICTAD/CIDA C4 registered contractor, we are fully qualified for government tenders and public sector work. We have a proven track record with RDA, CEB, Save the Children and NWSDB.

  • Road Development Authority (RDA)
  • Ceylon Electricity Board (CEB)
  • National Water Supply and Drainage Board
  • Save the Children projects
  • School and community facilities
  • Emergency infrastructure works

Our Project Process

01

Free Consultation

We meet to understand your requirements, site conditions, timeline and budget. There is no commitment and no charge for this initial discussion.

02

Site Visit

Our team visits the site to assess ground conditions, access, utilities and any constraints before preparing an accurate feasibility evaluation.

03

Design and BOQ

We prepare the drawings, a full Bill of Quantities and a fixed-price quotation with transparent line items. No hidden charges.

04

Contract and Start

Once the contract is signed, the construction team is mobilised, materials are procured and site preparation begins according to the agreed programme.

05

Construction

Daily site supervision with quality inspections, progress photography, safety checks and regular updates to keep you informed throughout.

06

Handover

We carry out a final inspection, address any remaining items, provide as-built documentation and hand over the completed project with warranty.

C4
ICTAD Grade
15+
Projects Completed
5+
Years Experience
9+
Professionals

Ready to discuss your project?

We provide free site visits and detailed quotations for all project types. As an ICTAD C4 registered contractor, we are qualified to take on both private and government works.