NAALSONS ENGINEERS

Process / Naalsons Engineers

CONTROLLED
AT EVERY
STEP.

A defined sequence from drawing review and resource planning through fabrication, inspection, surface protection, dispatch and erection.

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Fabrication machinery in the Naalsons works

The complete journey

07 STAGES.
ONE
CONTROLLED
FLOW.

Scroll horizontally inside each engineering lane. The quality gate is the decision point: accepted work advances; non-acceptable work returns through repair and re-inspection.

01 / Planning → procurementCONTROL STARTS BEFORE STEEL IS CUT.
01Review of drawings, specifications, QAP, WPSS & standard
02Resource planning

Man · Machine · Material · Method

03Project schedule & fabrication plan
04Received purchase / work order
Procurement pathMaterial procurement

Steel & other consumable items

Approval pathApproval from client / engineer

QAP / WPSS

05 · RECEIPT OF MATERIAL
02 / Material controlEVERY PIECE ENTERS A CONTROLLED CHAIN.
01Incoming inspection

Dimension · Grade · TC · Visual

02Identification & traceability
03Storage
04Fabrication release
03 / FabricationFROM MARKING TO IN-PROCESS INSPECTION.
01Marking & measurement
02Cutting

Manual / CNC

03Edge preparation & bending
04Sub-assembly & welding
05Dimension check
06In-process inspection
04 / Inspection → DecisionThe quality gate.
01Visual inspection

As per QAP

02NDT

UT / RT / MPI · As per QAP

03Dimension inspection
04Inspection records & documentation
Re-inspectionBack to inspection

YES PATH ACTIVE — Accepted work proceeds to trail-assembly and final Client / Railway / TPI inspection.

05 / Surface protectionPROTECT THE ENGINEERED PRODUCT.
01Surface preparation
02Grit blasting
03Primer & finish paint
04DFT & adhesion test
06 / Release → deliveryCONTROLLED RELEASE TO SITE.
01Painting inspection
02Release clearance
03Packing & loading
04Dispatch
07 / Final assembly → completionTHE BUILD BECOMES INFRASTRUCTURE.
01Part assembly
02Weld / bolt tightening
03Launching
04Final inspection
05Completion

01 / Plan

START WITH
THE DETAIL.

The process begins with review of drawings, specifications, QAP, WPSS and standards, followed by resource planning across Man · Machine · Material · Method.

01Review of drawings & specificationsReview drawings, specifications, QAP, WPSS & standard.
02Resource planningMan · Machine · Material · Method.
03Project schedule & fabrication planPlan the work before fabrication begins.
04Purchase / work orderReceived purchase / work order.
START WITH THE DETAIL.

02 / Material

TRACE IT
BEFORE YOU
BUILD IT.

Material control

05Material procurementSteel & other consumable items.
06Approval from client / engineerQAP / WPSS.
07Receipt & incoming inspectionDimension, grade, TC and visual inspection.
08Identification, traceability & storageControlled identification and storage.
TRACE IT BEFORE YOU BUILD IT.

03 / Fabrication

BUILD.
CHECK.
REFINE.

Fabrication control

09Marking & measurementControlled marking and measurement.
10CuttingManual / CNC cutting.
11Edge preparation & bendingPreparation and bending.
12Sub-assembly & weldingComponents assembled and welded.
13Dimension check & straighteningDimensional control and straightening.
14In-process inspectionInspection before quality-control gates.
BUILD. CHECK. REFINE.

04 / Quality control

QUALITY
IS A
GATE.

Inspect · Decide · Act

15Visual inspectionAs per QAP.
16NDTUT / RT / MPI, as per QAP.
17Dimension inspectionDimensional verification.
18Inspection records & documentationRecords and documentation.
Quality gateACCEPTABLE?

Accepted work proceeds to trial assembly and final Client / Railway / TPI inspection.

05 / Surface protection

PROTECT
THE FINISH.

Surface preparation & painting

19Grit blasting / surface preparationSurface preparation.
20MetalizingIf applicable.
21Primer & finish paintPrimer followed by finish paint.
22DFT & adhesion testDFT checking and adhesion test.
23Painting inspection & recordsClient / Railway / TPI inspection.
PROTECT THE FINISH.

06 / Delivery

RELEASE.
LOAD.
MOVE.

Dispatch & erection

24Release note / dispatch clearanceRelease for dispatch.
25Packing, loading & dispatchControlled preparation for movement to site.
26Assembly & erectionWhere applicable.
RELEASE. LOAD. MOVE.

07 / Assembly & completion

PUT IT
TOGETHER.
COMPLETE.

Field sequence

27Part assembly on levelled bedAssembly on levelled bed.
28Assembly of component on supportComponents assembled on support.
29Welding / bolt tighteningConnection of components.
30Assembly check before launchingPre-launching assembly check.
31Launching of girder / main memberLaunching sequence.
32Final paintingFinal painting.
33Inspection by Client / Railway / TPIFinal inspection.
34Project completionCompletion of the project.
PUT IT TOGETHER. COMPLETE.

07 / Contact

LET’S BUILD
WHAT’S NEXT.

Share your drawings, specifications or project requirements.

START AN ENQUIRY →
0788-4902690
naalsons@rediffmail.com
NH-6, Tedesara Industrial Area, Rajnandgaon — 491443