What the NHAI requirement says

NHAI issued Policy Circular No. 15.12/2026 on 30 March 2026. According to a legal summary of the circular published by FoxMandal, the QAP applies to all NHAI projects that use precast components. It covers design and engineering, raw material sourcing, manufacturing, curing, storage, transportation, handling and installation. A Ministry of Road Transport and Highways (MoRTH) document titled Quality Assurance Plan for Precast Concrete Products, generated on 18 March 2026, sets out a quality plan for such products.

The summary lists several expectations for manufacturers:

-Dedicated plants with mechanised batching, calibrated equipment, casting beds, moulds and controlled curing
-In-house quality control laboratories that test compressive strength, dimensions and surface finish
-Independent third-party inspections and audits
-A unique identification mark on every unit linked to its production, testing and installation records
-Continued responsibility for the concessionaire or contractor even when components come from a third-party manufacturer

The requirement builds on a MoRTH circular dated 24 June 2025 that made precast components mandatory in national highway projects costing more than Rs 300 crore. As reported by Indian Infrastructure, the list includes box culverts of specified sizes, storm water drains cum footpaths, chute drains, boundary walls, toe walls, RCC crash barriers and friction slabs for reinforced soil walls. The sources reviewed do not state an effective date for the NHAI circular so buyers should confirm timelines in the official text.

Why documented quality matters

Precast concrete is made away from the site. Its performance therefore depends on what happens inside the plant: mix control, curing, handling and storage. A written plan with test records turns those steps into evidence that engineers, auditors and owners can check. On public works designed for long service lives such evidence also reduces disputes about whether a delivered unit met the approved drawing.

Five checks buyers can make before ordering

1.Ask the supplier for its quality plan and recent test records for compressive strength and dimensions.
2.Confirm that each unit can be traced to a production batch and to the raw materials used.
3.Review how units are cured, stacked and transported because poor handling can damage a sound product.
4.Compare dimensional tolerances against approved drawings before the first dispatch.
5.Clarify in writing who is responsible if components are produced at a different plant from the one named in the bid.

Sneh Precast has published a longer explanation of how buyers can judge precast quality before purchase. It covers mix consistency, curing, reinforcement placement and visual inspection. The guide also lists documented testing records and batch traceability among the practices buyers should expect from a precast plant.

Experience on highway work

Sneh Precast was founded in 2008. According to the company's published history it completed its first major on-site project with L&T in 2019 on the Samruddhi Expressway where it cast and erected about 60,000 running metres of pre-stressed boundary walls. Its range for road and drainage works includes precast box culverts along with U drains, manhole chambers, RCC Hume pipes and kerb stones. A separate guide describes precast products used in highway infrastructure and explains how to select them by application, loading and site conditions.

The company states that its concrete grades range from M30 to M50 and that its products are IS Code compliant. Its About Us page displays certificates for environmental, safety and quality management systems. Sneh Precast invites contractors and consultants to request its testing and product documentation so that project teams can review it against the requirements of their own contracts.

A note on using this information

The requirements summarised here come from published summaries of government circulars. Project teams should read the circular and the contract documents for their own project before setting procurement rules. Rules can differ between projects and may change over time.

About Sneh Precast

Sneh Precast (Sneh Precast & Constosolutions Pvt. Ltd.) manufactures precast concrete products and dry mix mortars under the Consto brand. The company operates three plants in Pune district at Bhavadi (Unit 1), Markal (Unit 2) and Nere (Unit 3) with offices in Kharadi, Pune and Kharghar, Navi Mumbai. It reports daily delivery capacity of 2 lakh blocks and 150 cubic metres of precast products and 200 tonnes of dry mix mortars.

Media contact

Sneh Precast and Constosolutions Pvt. Ltd.
Phone: +91 83800 16247
Email: [email protected]
Website: https://snehprecast.com