# EXCLUSIVE: Company Insider Devin Singh Alleges Coercion to Falsify Stone Tests for New Demerara River Bridge
**Georgetown, Guyana** – A serious scandal is brewing at the heart of Guyana’s most critical infrastructure project. Devin Singh, an individual who claims to have been directly involved in the quality assurance process for the new Demerara River Bridge, has come forward with explosive allegations of corruption, coercion, and the deliberate falsification of material tests.
In a detailed pre-litigation letter addressed to the Boards of Directors of **Golden Rock Investments and Construction Inc.** and **York Investments**, Singh claims he was instructed under duress to alter laboratory results after stone supplied for the bridge’s access road failed to meet required specifications.
### “I Did Not Act Voluntarily”
Singh’s letter, which serves as a formal preservation of record, makes it clear that he is not a willing participant in the alleged cover-up but rather a witness acting under explicit instructions.
“I state clearly and without qualification that I did not act independently, voluntarily, or without instruction,” Singh writes. “I acted solely pursuant to explicit instructions and sustained pressure from senior individuals associated with Golden Rock Investments and Construction Inc., York Investments, and intermediaries linked to China Railway.”
The project, a centerpiece of Guyana’s infrastructural modernization, is being constructed by China Railway and is intended to ease traffic congestion between the East Bank and West Bank of Demerara.
### The Evidence
Singh claims to possess a substantial body of evidence that he is prepared to hand over to regulators and law enforcement. This evidence allegedly includes:
1. **Failed Test Results:** Original laboratory certificates from the Public Works lab showing the stone supplied by Golden Rock (sourced from the York Investments quarry) failed to meet project specifications.
2. **Altered Results:** Subsequent laboratory reports, issued after Singh claims he was forced to intervene, showing the same material inexplicably “passing” the tests.
3. **Digital Communications:** A trove of WhatsApp messages, WeChat communications, and voice notes between Singh and key players, including:
– The Chairman and Directors of Golden Rock Investments.
– The Director(s) and owners of York Investments.
– Senior managers and intermediaries representing China Railway.
These communications, Singh asserts, will demonstrate a coordinated effort to “take care of” the failed results to avoid public disclosure, regulatory scrutiny, and costly project delays.
### Systemic Issues at Public Works Lab
Sources from the Guyana anti-corruption agency have confirmed to this publication that multiple employees of the Ministry of Public Works have been interviewed as part of an expanding investigation. According to those sources, ministry workers disclosed that the falsification of laboratory results is “not unusual if the money is right,” suggesting that the alleged interference in the Demerara Bridge project may be part of a broader pattern of corruption within the quality assurance process for public infrastructure.
### The “National Issue” Pressure Tactic
According to the whistleblower, the pressure to falsify the records was intense and framed around the project’s political importance.
“I was expressly told that this matter constituted a ‘national issue’ and that I was expected to resolve it accordingly,” Singh states. He describes this characterization as a tool to underscore the seriousness of the demand and to make clear that refusal was not an option.
Singh alleges that he was left “acting under coercion and duress, with explicit and implicit threats to my professional standing and personal security.”
### The Accused: Golden Rock and York Investments
– **Golden Rock Investments and Construction Inc.** is named as the supplier of the stone.
– **York Investments** is identified as the operator of the quarry from which the stone was extracted.
By copying their boards of directors, Singh is putting the corporate leadership on formal notice that he possesses evidence of wrongdoing at an operational level. The letter implies that the directors were either aware of the pressure or that their subordinates were acting with a reckless disregard for the law.
### Evidence of Premature Failure
The allegations of substandard materials gain further credibility from the bridge’s recent performance. Sections of the new bridge have already required unscheduled repairs due to visible movement and warping of the surface, according to multiple observations and reports from commuters and construction sources. Engineers familiar with road construction note that such premature deformation—occurring within months of completion—is a classic indicator of base layer instability, often linked to inadequate stone quality or improper compaction. These physical signs of distress on the bridge deck itself may represent the most compelling evidence that substandard materials were indeed incorporated into the structure, validating the whistleblower’s claims regardless of any falsified laboratory certificates.
### Implications for the Bridge and Public Safety
The core of the allegation is that **substandard materials** may have been used in the construction of the access road to the new Demerara River Bridge.
If the stone base is compromised, the structural integrity of the roadway could be at risk. This could lead to:
– Premature degradation and potholing.
– Subsidence or failure under the weight of heavy traffic.
– Long-term damage to the bridge approaches, potentially affecting the entire structure’s lifespan.
The public now faces the unsettling question of whether a “national project” was prioritized over national safety.
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