PUBLIC REVIEW NOTICE
Rwanda Standards Board would like to inform the general public that the Draft Rwanda Standards (DRS), appearing on the list below are being circulated for public comments from 23rd/February/2026.
Any comments on these drafts should be sent to Rwanda Standards Board not later than 23rd /April/2026.
| N° | REFERENCE NUMBER | STATUS | TITLE |
| ENGINEERING AND URBAN PLANNING UNIT | |||
| RSB/TC 9, Civil engineering and building material | |||
| DRS 624:2025 | New | Ready mixed concrete — Specification | |
| DRS 625:2025 | New | Natural stones — Guidance for use of natural stones | |
| DRS 626:2025 | New | Manufactured stone masonry units - Specification | |
| DRS 627:2025 | New | Calcium silicate masonry units – Specification | |
| DRS 628:2025 | New | Aggregate concrete masonry units (Dense and lightweight aggregates) - Specification | |
| DRS 629:2025 | New | Kerbs of natural stone for external paving — Requirements and test methods | |
| DRS 630:2025 | New | Construction of pavements of natural stone paving units and cobbles, and rigid construction with concrete block paving – Code of practice | |
| DRS 631-1:2025 | New | Construction of Stone Masonry - Code of Practice - Part 1: Rubble Stone Masonry | |
| DRS 631-2:2025 | New | Construction of Stone Masonry - Code of Practice - Part 2 Ashlar masonry | |
| DRS 632:2025 | New | Gypsum plasterboards — Definitions, requirements and test methods | |
| DRS 397-6: 2025 | New | Use of glass in buildings — Part 6: Code of practice for special applications | |
| DRS 397-7: 2025 | New | Use of glass in buildings – Part 7: Code of practice for the provision of information | |
| DRS ISO 18985, | New | Recycled aggregates for concrete | |
| DRS ASTM C125 | New | Terminology Relating to Concrete and Concrete Aggregates | |
| DRS ASTM C39/C39M | New | Test Method for Compressive Strength of Cylindrical Concrete Specimens | |
| DRS ASTM C138/C138M | New | Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete | |
| DRS ASTM C231/C231M | New | Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method | |
| DRS ASTM C1064/C1064M | New | Test Method for Temperature of Freshly Mixed Hydraulic-Cement Concrete | |
| DRS ASTM C618 | New | Coal Ash and Raw or Calcined Natural Pozzolan for Use in Concrete1 | |
| DRS 425:2020 | Revision | Fly ash used in concrete and Cement — Specifications | |
| DRS 144 2021 | Revision | Concrete building blocks and bricks — Specification | |
| RSB/TC 47, Steel aluminium and related Products | |||
| DRS ISO 657-18 :1980 | New | Hot-rolled steel sections — Part 18: L sections for shipbuilding (metric series) — Dimensions, sectional properties and tolerances | |
| DRS ISO 657-19 :1980 | New | Hot-rolled steel sections — Part 19: Bulb flats (metric series) — Dimensions, sectional properties and tolerances | |
| DRS ISO 657-21 :1983 | New | Hot-rolled steel sections — Part 21: T-sections with equal depth and flange width — Dimensions | |
For further Information and full text(s) of the Draft Rwanda Standards, you may contact RSB on the following addresses: info@rsb.gov.rw
MURENZI Raymond
Director General
By Delegation
Emmanuel GATERA
Ag. National Standards Division Manager
“RSB services are delivered in consideration of gender equality to ensure inclusive sustainable socio-economic development”
