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Materials and stock

Stop material leakage: canonical catalog, weigh tickets, and sealed traceability

In West African construction, material waste and theft represent 4% to 8% of total site cost. GestraPro locks canonical units, controls every delivery ticket, and secures inter-site transfers.

How this record moves

The anti-leakage inventory control chain

Available to review

From supplier weigh ticket to completed structure

Starts with
Receipt and weigh ticket scan
Leads to
Real-time over-consumption alert
Stop material leakage: canonical catalog, weigh tickets, and sealed traceability
MODULE OPÉRATIONNEL · Materials and stock
⚡ CONFORME UEMOA & SYSCOHADA
⚖️

Strict canonical units

No arbitrary conversions

📦

Scanned weigh tickets

Double-check receipt verification

🔒

Per-site isolated depots

Tracked inter-site transfers

🛡️

Anti-leakage 4% to 8%

Theoretical vs actual matching

01

Material leakage: the silent cash drain

Cement disappearing faster than concrete advances, rebar diverted, sand billed but never delivered. Industry research attributes 4% to 8% of construction cost overruns to material losses. GestraPro transforms stock management into an unbroken chain of custody.

02

Shared canonical catalog + private extensions

A core catalog of reference materials maintained by the platform with strict canonical units (50kg bag, m³, ton, liter, piece, bundle). Unit integrity is enforced at the schema level: no arbitrary conversions allowed. Each enterprise extends this catalog with private items.

A reviewable sequence

The anti-leakage inventory control chain

Chain of trust

From supplier weigh ticket to completed structure

  1. 1Recorded on site

    Receipt and weigh ticket scan

    The event is logged with its site, timestamp, and operational context.

  2. 2Sealed evidence

    Canonical unit verification

    Geotagged photos, weigh tickets, and signed manifests remain immutably attached.

  3. 3Reconciled at office

    Authorized issue to daily log

    Project manager or leadership reviews variances and steers margin.

  4. 4Reconciled at office

    Real-time over-consumption alert

    Project manager or leadership reviews variances and steers margin.

How the work connects

Six parts of the same operational journey

03

Weigh tickets and double-check receipts

Upon every delivery of cement, sand, or aggregates on site, the storekeeper records the supplier weigh ticket, photos the signed delivery receipt, and confirms actual weight. Short deliveries are caught and contested before payment.

04

Isolated site depots & tracked inter-site transfers

Each construction site maintains its own dedicated depot and local ledger. When trucks transfer rebar or cement from Site A to Site B, the movement requires origin dispatch validation and destination receipt sign-off: no materials vanish in transit.

05

Physical progress vs consumption matching

The reconciliation engine compares quantities of cement and steel logged in the daily log against the theoretical volume of completed work (m³ of poured concrete, m² of blockwork). Any abnormal variance triggers an instant alert to the project engineer.

06

Rolling inventory counts & frozen supply costs

Periodic physical stock counts reconcile theoretical and actual stock with full audit trails. The supply price is frozen upon depot receipt for each batch, guaranteeing exact job cost calculations across geographic regions (Ouaga, Bobo, Abidjan).

West African Field Design · Job Site Reality

Built for the real network, not the ideal one.

100% offline-first operation with local sealed SQLite database, mobile-data frugal differential sync, native FCFA currencies, regional Mobile Money integrations, and SYSCOHADA (OHADA AUDCIF) cost accounting.

Test on your job sites
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See what this changes on a real construction site

The pilot is designed to produce useful evidence with your team, not to walk through an abstract demonstration.