RS ISO 21931-1: 2022 SUSTAINABILITY IN BUILDINGS AND CIVIL ENGINEERING
WORKS — FRAMEWORK FOR METHODS OF ASSESSMENT
OF THE ENVIRONMENTAL, SOCIAL AND ECONOMIC
PERFORMANCE OF CONSTRUCTION WORKS AS A BASIS FOR
SUSTAINABILITY ASSESSMENT —
PART 1: BUILDINGS
85,500.00
44
3,762,000.00
2
Rwanda Standards
RS ISO 21138-3: 2020 PLASTICS PIPING SYSTEMS FOR NON-PRESSURE
UNDERGROUND DRAINAGE AND SEWERAGE —
STRUCTURED-WALL PIPING SYSTEMS OF
UNPLASTICIZED POLY(VINYL CHLORIDE) (PVC-U),
POLYPROPYLENE (PP) AND POLYETHYLENE (PE) —
PART 3: PIPES AND FITTINGS WITH NON-SMOOTH
EXTERNAL
57,000.00
39
2,223,000.00
3
Rwanda Standards
RS ISO 2710-1: 2017 RECIPROCATING INTERNAL COMBUSTION ENGINES — PART 1: TERMS FOR ENGINE DESIGN AND OPERATION
