Ratuwa Mai Nirman Sewa | Engineering & Construction Company Damak, Jhapa

About Our Firm

Rooted in Damak, Engineered for Generations

Incorporated in 2074 B.S. in Damak-1, Jhapa (PAN: 600837211), Ratuwa Mai Nirman Sewa has established itself as the trusted technical benchmark for engineered residential, institutional, and municipal civil construction across Koshi Province.

Unlike informal thekedars, our methodology is driven by licensed civil engineers, registered architects, and seasoned site managers. We strictly implement the revised Nepal National Building Code (NBC 105:2020) to safeguard every structure against severe seismic events and groundwater dynamics prevalent in the Jhapa river basin.

Municipal Naksha Pass

Full 2D/3D structural documentation and swift approval across Damak Municipality.

Fixed-Cost BOQ

Itemized materials, concrete grades, and labor estimates without unexpected budget overruns.

8+ Years

Engineering Excellence

Continuous operation in Jhapa with a track record of zero structural failures.

25+

Active Sites

Ongoing construction in Damak, Birtamode, Gauradaha, Kamal, and Urlabari.

Core Engineering Capabilities

Our Specializations & Technical Standards

Every project is executed by qualified engineers employing certified materials, computerized 3D models, and rigorous laboratory cube tests.

NBC 105:2020 Compliant

Earthquake-Resistant RCC Framing

Precision reinforced cement concrete frame execution designed to withstand Zone V seismic forces. We employ certified Fe500D high-ductility TMT bars, M20/M25 concrete mix designs, 135-degree seismic stirrup hooks, and shear wall integration.

Standard: NBC 105:2020 & IS 13920

Compression Cube Testing (7 & 28 Days)

Soil Bearing Capacity & Deep Raft/Footing

3D Architectural Elevation and Vastu Planning

Vastu & Municipal Ready

Architectural 3D & Vastu Planning

Photorealistic exterior 3D renderings, functional interior layouts, and Vastu-compliant room planning tailored to Koshi Province climatic conditions. Complete preparation of municipal Naksha Pass blueprints for Damak Municipality.

Ultra-HD 4K 3D Exterior Elevations

Cross-ventilation & Solar Geometry Analysis

Municipal Blueprint Seal & Approvals

Full Lifecycle Execution

Turnkey Construction Contracting

End-to-end general contracting from soil excavation, foundation, brick masonry, plastering, plumbing, and electrical conduits to final turnkey handover. Fixed-price contracts with milestone-based inspection reports.

Guaranteed Handover Schedule

Factory Sourced Cement (OPC 53/43 Grade)

Resident Civil Engineer on Site Daily

Custom Millwork & Lighting

Modern Interior Fit-outs

Elevating living spaces with moisture-resistant gypsum false ceilings, concealed magnetic track LED lighting, waterproof modular kitchen cabinets, vitrified tile flooring, and custom acoustic wall paneling.

Termite-Treated BWP Marine Plywood

False Ceilings with Sound Insulation

Luxury Sanitaryware & Concealed Plumbing

Drainage and Culvert Infrastructure Nepal

Monsoon Flood Control

Hydraulic & Drainage Infrastructure

Specialized civil stormwater works engineering designed for heavy monsoon rainfall in the Ratuwa and Mawa river basin. Reinforced box culverts, canal lining, gravity sewer networks, and gabion retaining walls.

RCC Box & Pipe Culvert Construction

Riverbed Protection & Gabion Revetment

Municipal Road Surface Storm Drainage

Seismic Retrofitting and Concrete Jacketing

Seismic Life Extension

Retrofitting & Structural Renovation

Reinforcing older residential and commercial buildings. We conduct non-destructive rebound hammer tests, install RCC column jackets, apply carbon-fiber (CFRP) wrapping, and execute vertical floor additions safely.

Non-Destructive Concrete Testing (NDT)

Micro-concrete Reinforced Jacketing

Steel Truss Roofing & Vertical Expansion

Engineering Execution Portfolio

Completed & Active Projects in Jhapa, Morang & Ilam

A look at residential, commercial, and infrastructure developments built and managed by Ratuwa Mai Nirman Sewa.

Residential Development

Jhapa District

Completion of Land plot for housing

Commercial

Jhapa District

Shrestha Complex

Infrastructure

Morang District

Road work at morang district

Residential

Ilam District

Mr. Susan Sharma House

Technical Leadership

Meet Our Registered Engineers & Staff

Our strength lies in qualified engineers, licensed architects, and certified site supervisors.

Teknath Pokhrel

Managing Director (MD)

Leading operations and strategic vision for engineering excellence across Jhapa.

Er. Madhav P. Guragain

Senior Civil Engineer

Nec reg.No: 20875 "Civil"

Specializing in structural design, site execution, and municipal compliance.

Er. Gaurav Gautam

Civil Engineer

Nec reg.No: 92877 "Civil"

Directing concrete batching, quality assurance, and daily site supervision.

Bilol Satyal

Foreman

Expert in daily site execution, labor management, and rigorous quality control.

Damak Construction Guide & Knowledge Base

Engineering Insights for Jhapa Homeowners

Read comprehensive guides written by registered civil engineers on construction costs, municipal permits, and seismic standards in Damak and eastern Nepal.

Calculate Custom House Estimate

Cost Estimations • Damak 2026

6 Min Read

Bilol Satyal • Updated 2026

Cost of Building a House in Damak, Jhapa (2026 Guide): Per Sq. Ft. Breakdown & Rates

Planning to build in Damak or neighboring municipalities? Discover average costs per square foot (NPR 3,200 – 4,800), current market prices for OPC/PPC cement, Fe500 TMT rebar, river sand from Ratuwa, and skilled mason daily wages.

#HouseCostDamak #JhapaConstruction #BOQBreakdown

Seismic Engineering • NBC 105:2020

8 Min Read

Er. Bikash Dahal • Structural Safety

Earthquake-Resistant House Design in Terai: Key NBC 105:2020 Guidelines

Why building in Jhapa requires special attention to alluvial soil bearing capacity and seasonal water tables. Understand why 9x12 inch columns are obsolete, how beam-column joint stirrups prevent shear collapse, and NBC 105:2020 compliance.

#NBC105Nepal #EarthquakeSafety #StructuralDesign

Municipal Bylaws • Damak

5 Min Read

Sunita Pokhrel (QA) • Municipal Compliance

Naksha Pass Process in Damak Municipality: Step-by-Step Approval Checklist

Step-by-step guide to obtaining your building permit (Naksha Pass) in Damak. Required documents including Lalpurja, citizenship, tax receipts, set-back rules from road centerlines, and obtaining your final Nirman Sampanna (Occupancy Certificate).

#DamakMunicipality #NakshaPass #BuildingPermit

Smart Homeowners Guide

7 Min Read

Ar. Subash Adhikari • Advisory

Why Choose a Turnkey Contractor vs Traditional Thekedar in Eastern Nepal

Tired of arbitrary cost inflation, delayed handovers, and material pilferage? Learn how hiring an engineering-led contracting firm with legal contracts and detailed BOQ guarantees your home is finished within timeline and budget.

#TurnkeyContractor #NepalRealEstate #HomeBuildingTips

Contact Head Office

Let's Discuss Your Building Project

Get in touch for a site inspection, municipal blueprint consultation, or a detailed material cost estimation in Damak or anywhere in Jhapa.

Office Address

Damak-1, Jhapa, Koshi Province, Nepal

Close to Mahendra Highway Corridor

Phone & WhatsApp Direct

+977-9852683344

Sunday to Friday: 9:00 AM – 6:00 PM

Official Email

ratuwamainirmansewa@gmail.com

Send drawings & tender inquiries

PAN: 600837211

ESTD: 2074 B.S.

Status: Active Firm

Request Free Engineering Consultation & Estimate

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Engineering Seismic Safety. Building Modern Nepal.