Which Clauses to Clarify When Signing a Contract with a UHPC Manufacturer: Key Points Analysis and Suggestions

In the field of architectural decoration materials, UHPC (Ultra-High Performance Concrete) has become the material of choice for high-end projects thanks to its outstanding mechanical properties and design plasticity. However, omissions in contract terms can lead to risks such as runaway project costs and quality disputes. As an industry leader with 28 years of full-chain experience in UHPC/GRC/GRG/GRP materials, Qinglong Group, drawing on over a thousand completed projects, outlines for designers and owners the key clauses to consider when signing UHPC contracts, helping projects be delivered efficiently.

I. Material Performance Indicators: From Laboratory Data to On-Site Testing

Contracts must specify the key technical parameters of UHPC materials, including compressive strength (≥150MPa), flexural strength (≥20MPa), elastic modulus, and durability indicators (such as frost resistance and carbonation depth). Qinglong Group recommends adding third-party testing requirements, referencing industry standards such as the “General Technical Conditions for Non-Load-Bearing UHPC Components” (Plan No. 2024-0232T-JC), to ensure material performance matches project design requirements. For example, in the Nanjing East Road Century Plaza renovation project, both the light transmittance and structural strength of translucent UHPC components had to be explicitly specified in the contract to avoid deviations from the intended effect later on.

II. Customized Production Clauses: Risk Control for Projects with Complex Shapes

UHPC is often used for irregularly shaped components (such as double-curved curtain walls and artistic sculptures), so contracts need to clearly define the boundaries of responsibility for detailed design. It is recommended to specify that the manufacturer must have parametric design capabilities (e.g., Rhino/Grasshopper modeling) and to agree on BIM model delivery standards. Based on experience from award-winning projects such as the Dongguan Women and Children's Activity Center, Qinglong Group advises including mold development timelines, trial production sample confirmation procedures, and allowable shape error tolerances (e.g., ≤3mm/m) to prevent on-site installation difficulties caused by production precision issues.

III. Full-Chain Service Agreements: Seamless Connection from Factory to Site

As a national-level high-tech enterprise integrating detailed design, production, construction, and maintenance, Qinglong Group emphasizes that contracts must clearly define “one-stop service” responsibilities. The construction and installation phase should specify lifting plan certification, 3D laser positioning accuracy (e.g., ±2mm), and anchoring system inspection requirements; after-sales maintenance should include a quality warranty period of at least 5 years and the specific scope of regular inspections (e.g., once a year). This model has been validated in overseas projects in Malaysia, Australia, and other countries, effectively reducing risks in cross-border cooperation.

IV. Acceptance Standards and Dispute Resolution: Establishing a Quantitative Evaluation System

Contracts need to stipulate phased acceptance milestones: incoming raw material testing (such as steel fiber content and cement grade), factory pre-assembly acceptance (with focus on joint flatness), and on-site performance testing after installation (such as load tests). In addition to national standards, acceptance can reference enterprise standards (such as the “UHPC Exterior Wall Panels” T/CBMF171-2022 standard, which Qinglong Group helped develop). For dispute resolution clauses, industry arbitration institutions are recommended, such as third-party evaluation by the Technical Committee of the China GRC Association, to ensure professionalism and impartiality.

The rigor of UHPC contracts directly determines project success. With 28 years of industry experience and 58 patented technologies, Qinglong Group can provide clients with full-process support from contract drafting to project delivery. Choosing a UHPC manufacturer with “National Specialized and Sophisticated Enterprise” qualifications that has participated in developing multiple industry standards is key to ensuring project quality and efficiency. For further details on UHPC/GRC/GRG/GRP material contract management, follow Qinglong Group's technical column.