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DRS 126-2: 2021, Waste water treatment plants — Part 2: General construction principles: This Draft Rwanda Standard specifies general requirements for structures and equipment as they relate to wastewater treatment plants for a total population of more than 50 PT. The primary application is designed for wastewater treatment plants for the treatment of domestic and municipal wastewater. Requirements for structures which are not specific for wastewater treatment plants are not within the scope of this Draft Rwanda Standard. Other Rwanda Standards can apply. Equipment which is not solely used in wastewater treatment plants is subject to applicable product standards. However, specific requirements for such equipment when used in wastewater treatment plants are included in this part. General principles of building construction, mechanical and electrical engineering are not subject of this standard. This Rwanda Standard does not cover the design of treatment processes. This standard gives fundamental information about the systems; this standard has not attempted to specify all available systems.

DRS 211-2: 2010, Mortar for masonry — Test methods — Part 2: Bulk sampling of mortars and preparation of test mortars: This Draft Rwanda Standard provides methods for taking a bulk sample of fresh mortar, and the preparation of a bulk test sample from this. It also provides a procedure for producing test mortars from dry constituents and water.

DRS 211-3: 2010, Mortar for masonry — Test methods — Part 3: Determination of consistence of fresh mortar: This Draft Rwanda Standard provides a method for determining the consistence of freshly mixed mortars including those containing mineral binders and both normal weight and lightweight aggregates, which is by means of the flow value.

DRS 211-4: 2010, Mortar for masonry — Test methods — Part 4: Determination of consistence of fresh mortar (by plunger penetration): This Draft Rwanda Standard provides a method for determining the consistence of freshly mixed mortars (in the following briefly referred to as fresh mortars) including those containing mineral binders and both dense and lightweight aggregates, which is by means of the plunger penetration value.

DRS 211-5: 2021, Mortar for masonry — Test methods — Part 5: Determination of flexural and compressive strength of hardened mortar: This Draft Rwanda Standard provides a method for determining the flexural and compressive strength of moulded mortar specimens.

DRS 211-6: 2021, Mortar for masonry — Test methods — Part 6: Determination of adhesive strength of hardened rendering and plastering mortars on substrates: This Draft Rwanda Standard provides a method for the determination of the adhesive strength between rendering plastering mortars and a substrate.

DRS 211-7: 2010, Mortar for masonry — Test methods — Part 7: Determination of water absorption coefficient due to capillary action of hardened mortar: This Draft Rwanda Standard provides a method for determining the water absorption coefficient due to capillary action of hardened mortars containing mineral binders and normal as well as light weight aggregates.

DRS 484: 2021, Adobe blocks (Rukarakara) — Specification: This Draft Rwanda Standard provides the requirements, sampling and test methods for adobe blocks, also known as "Rukarakara" for interior and exterior use in masonry walling. The use of adobe blocks specified in this Draft Rwanda Standard applies to all buildings in category two (2) as provided in the Ministerial Order governing the categorization of buildings. Construction with adobe blocks is regulated by the Rwanda Building Code and other related regulations.

Technical Regulation for Safety of Machinery Part-2 : Mobile Machinery and Heavy Duty Equipment: This regulation specifies the following: Terms and Definitions, Scope, Objectives, Supplier Obligations, Labelling, Conformity Assessment Procedures, Responsibilities of Regulatory Authorities, Responsibilities of Market Surveillance Authorities, Violations and Penalties, General Provisions, Transitional Provisions, Appendix (lists, types, safety and health requirements)

"SASO 2883:2017/AMD3:2021" - Electrical Clothes Dryers - Energy Performance Requirements and Labelling: Electrical Clothes Dryers - Energy Performance Requirements and Labelling