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A1B2C
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SDN Construction | Construction Company in Patna, Bihar
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SDN Construction engineers reviewing site plans
10+ Years Experience
// Who We Are

Built On Site Discipline, Not Shortcuts

SDN Construction has spent over two decades turning blueprints into skylines — delivering industrial, commercial and residential projects on time, on budget, and built to last.

Backed by an in-house engineering team, our own equipment fleet, and skilled crews on payroll, we run every site on one rule: measure twice, pour once.

  • 10+ Projects Delivered
  • 10 Skilled Crew On Payroll
  • 5 Cities Covered
  • ISO 9001:2015 Certified
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// By The Numbers

Numbers That Speak For Themselves

Every number represents a promise kept — a project delivered, a client satisfied, a site managed right.

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Years Active
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Projects Done
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Skilled Crew
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Cities Covered
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Happy Clients
// What We Do

Services Built On Precision

From foundation engineering to final handover — explore how our in-house teams deliver every build.

// Our Portfolio

Projects That Define SDN CONSTRUCTION

From residential towers to industrial plants — a look at the builds behind our track record.

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// What Sets Our Sites Apart

Why Choose SDN Cons

Six reasons clients trust SDN Construction from first blueprint to final handover.

01

Zero-Compromise Safety

Daily briefings and certified rigging before a single tool is picked up.

02

Materials That Last

Sourced and tested against IS codes, never the cheapest supplier bid.

03

Schedules We Hold

Weekly milestone sign-off catches delays in week one, not month six.

04

In-House Skilled Crew

Masons, welders and electricians on payroll, not last-minute hands.

05

Our Own Equipment

A self-maintained fleet, so borrowed downtime never hits your build.

06

Fully Licensed & Insured

Every project runs under verified permits and full liability coverage.

// Our Commitment

Quality & Safety — Non-Negotiable

Every SDN site operates under a dual mandate: build it right, build it safe. No shortcuts on either front.

Quality Assurance

From raw material arrival to final finish inspection, every stage is checked, documented, and signed off — no blind spots in the chain.

  • ISO 9001:2015 certified QMS framework
  • In-house material testing before pour
  • Cube & cylinder test results logged daily
  • Third-party quality audits at key milestones
  • Finish samples approved before bulk execution
  • Client walk-through & punch-list sign-off

Safety Protocols

Zero tolerance for unsafe acts. Our safety system covers every person on site — SDN crew, subcontractors, and visitors alike.

  • Mandatory PPE — helmet, boots, vest, harness
  • Dedicated safety officer deployed per site
  • Weekly toolbox talks & mock drills
  • Permit-to-work for hot work, confined space
  • Incident reporting within 24 hours, zero concealment
  • Emergency response plan posted at entry points

Safety Process Followed At SDN Construction

1

Site Risk Assessment

Before mobilization, our safety officer surveys the site for overhead cables, soil conditions, adjacent structures, water table levels, and traffic proximity. Every identified hazard is logged in the risk register.

Hazard Map Soil Report Photo Log
2

Safety Plan Drafting

A site-specific HSE plan is written covering fall protection systems, excavation shoring, electrical isolation, fire prevention measures, and designated emergency escape routes. The plan is approved before any work begins.

HSE Plan Fall Protection Fire Protocol
3

Crew Induction & Training

Every worker — SDN employee, subcontractor, or visitor — attends a mandatory induction covering site rules, PPE requirements, assembly points, prohibited zones, and first-aid locations. No induction, no site access.

PPE Issue Sign-Off Toolbox Talk
4

Daily Enforcement & Checks

Morning PPE compliance checks, scaffold inspection logs, barricade verification, and tool condition assessments happen daily. Any non-compliance triggers an immediate stop-work authority — no exceptions.

Morning Check Scaffold Log Stop Work
5

Incident Reporting & Response

Every incident — injury, near-miss, or property damage — is reported within 24 hours. Root cause analysis follows within 72 hours, corrective actions are documented, and findings are shared across all active SDN sites.

24hr Report RCA Corrective Action
6

Review & Continuous Improvement

Monthly safety audits compare the plan against ground reality. Near-miss trends are analyzed, safety KPIs are tracked dashboards, and process gaps are closed before the next project — the system gets sharper every time.

Monthly Audit KPI Dashboard Process Update

Certified & Compliant

National safety standards met. Documentation audit-ready.

ISO 9001 Quality Mgmt
ISO 45001 Occupational H&S
ISO 14001 Environment
// FAQs

Questions Before You Build

Straight answers on how we plan, price, and deliver every project.

We handle residential, commercial, industrial, infrastructure, interior fit-out and pre-engineered steel building projects, all managed in-house from design to handover.

We've been building for over 22 years, delivering 340+ projects across 12 cities with the same in-house crew and equipment fleet.

Yes. Every project gets a milestone schedule with weekly client sign-off, so any delay is caught in week one, not month six.

Every site runs under verified municipal permits and full liability coverage, and our company is ISO 9001:2015 certified.

No. Our masons, welders, and electricians are on payroll, which keeps quality and accountability consistent across every site.

All materials are tested against IS codes before use — we choose verified quality over the cheapest supplier bid every time.

Yes, we offer live digital site tracking so clients can follow construction progress in real time, from anywhere.

We maintain our own fleet of excavators, cranes and mixers, so borrowed or rented downtime never delays your build.

A site engineer visits within 48 hours of enquiry to assess scope, feasibility, and give a preliminary cost and timeline estimate.

Yes, our engineering team manages municipal approvals and compliance documentation as part of the project scope.

We currently run concurrent industrial and residential sites across 12 cities with dedicated regional teams.

Yes, we've adopted green building certification standards and sustainable practices across every active site.

Daily safety briefings, certified rigging equipment, and mandatory PPE checks happen before any tool is picked up.

Share your scope, timeline and site address through our contact form, and a site engineer will follow up with a detailed estimate.

Yes, we provide a defect-liability period after handover along with ongoing maintenance support on request.

// How We Build

Our Construction Process

20 defined steps from first discussion to after-sales support — every phase accounted for.

1

Client Requirement & Discussion

Understand the client's requirements, expectations, budget, location, and project scope.

2

Site Survey & Feasibility

Inspect the site, study soil and surroundings, check accessibility, and identify challenges.

3

Architectural Planning & Design

Prepare architectural drawings, structural designs, layouts, 3D plans, and technical specs.

4

Cost Estimation & Budget

Calculate material, labour, machinery, transportation, and other costs for a clear budget.

5

Approvals & Contract

Complete necessary approvals, finalize specs, cost, payment terms, and construction schedule.

6

Project Planning & Scheduling

Prepare a detailed timeline with milestones, assign responsibilities, and plan resources.

7

Material Procurement

Arrange quality construction materials, machinery, skilled workers, and engineers on site.

8

Foundation & Civil Work

Execute excavation, footing, columns, beams, slabs, brickwork, and structural activities.

9

Electrical, Plumbing & MEP

Install electrical systems, plumbing, drainage, HVAC, fire safety, and essential services.

10

Finishing & Interior Work

Complete plastering, flooring, painting, doors, windows, ceilings, fixtures, and fittings.

11

Quality Control & Inspection

Conduct regular inspections and testing to ensure materials and work meet quality standards.

12

Safety & Compliance

Maintain worker safety, use protective equipment, follow regulations, and ensure a safe environment.

13

Progress Monitoring & Updates

Track progress against schedule, manage issues and delays, and provide regular client updates.

14

Budget & Cost Control

Monitor expenses, control wastage, manage resources efficiently, and keep within approved budget.

15

Final Quality Inspection

Conduct a complete inspection, identify defects or pending work, and complete all corrections.

16

Testing & Commissioning

Test electrical, plumbing, safety, HVAC, and structural systems to ensure everything works properly.

17

Final Documentation

Prepare completion documents, warranties, drawings, certificates, and maintenance information.

18

On-Time Completion

Complete all activities per the agreed schedule while maintaining quality, safety, and budget.

19

Final Handover to Client

Hand over the project after final approval — clean, complete, and ready for use.

20

Post-Handover Support

Provide maintenance guidance, warranty support, defect rectification, and after-sales assistance.

Professional Flow
Requirement Site Survey Design Estimation Approval Planning Procurement Construction MEP Finishing Quality & Safety Monitoring Testing Inspection Documentation Completion Handover After-Sales
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Client Testimonials

We are committed to delivering excellence on every site. Hear directly from the developers, homeowners, and business owners who trusted SDN Construction with their vision.

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