01. Geotechnical first, structure second
Every intake, anchor and powerhouse foundation begins with a geotechnical workup. Rock joint orientation, weathering depth, and groundwater conditions all feed the structural design before we mobilise.
Discipline · 03
Hydro-Power Construction
Civil works for small and mini hydro-power plants.
Run-of-river civil works, intake to powerhouse.
- Multiple
- Mini-hydro plants completed
- Remote
- Hill-country site capability
- 30 m³/hr
- Lunugala concrete plant
- End-to-end
- Intake to tail-race scope
Overview
What this discipline looks like at AMSK.
Hydro-power civil works are unforgiving. Weirs sit in rivers that flood with monsoon predictability. Penstocks run downslope at gradients that don't tolerate sloppy geotechnics. Powerhouse foundations sit on rock that needs to be cleaned, tested and grouted before the concrete arrives.
AMSK's hydro portfolio includes intake structures, headrace channels, surge tanks, penstock anchors, powerhouse civil works and tail-race construction. We have integrated with the mechanical and electrical contractors who supply turbines, generators and switchyard equipment on the same sites, so our schedule meets their commissioning windows.
Plant logistics is what makes or breaks a hydro contract. Our central-province batching capacity (Lunugala 30 m³/hour concrete plant) and a fleet of truck mixers, pump cars and dump trucks lets us pour structural concrete at remote sites that would otherwise require subcontracting to whoever can get a mixer up the access road.
Our approach
Four principles, applied to every contract.
How we structure a hydro-power construction programme from first survey to defects liability handover.
02. Concrete delivered to the site, not the road
Our truck-mixer fleet and pump cars take concrete from our batching plants to the actual pour location — even on access roads no third-party supplier will drive.
03. Programmed around the wet season
Headrace and intake civil works are scheduled inside dry windows. Monsoon contingency is built into the master programme, not improvised when the river rises.
04. Commissioning support, end to end
Our work doesn't stop at handover of civil structures. We stay on site through wet-testing, commissioning trials and any remedial work the mechanical team flags.
Standards we work to
The specifications, codes and quality regimes behind every delivery.
- Ceylon Electricity Board (CEB) civil works specifications
- Sustainable Energy Authority (SEA) connection standards
- ICTAD specifications for hydraulic structures
- ISO 9001:2015 / 14001:2015 / OHSAS 18001:2007
Selected projects
What we've built in hydro-power construction.
Hydro-Power Construction