Standard Specification For Building Works 2020 Jkr Pdf Online
The JKR Standard Specification for Building Works 2020 (JKR 20800-0226-20) is a comprehensive technical document issued by Jabatan Kerja Raya Malaysia to establish uniform standards for materials and workmanship in building construction projects. Key Features and Improvements
Technological Updates: Incorporates current construction technology and updated national (Malaysian Standards) and international standards.
Structure: Divided into 25 specialized sections (A to Y) covering everything from preliminaries to sanitary fittings.
Compliance & Governance: Serves as a mandatory guideline for conventional tender procurement and contract affairs in JKR projects.
Sustainable Practices: Includes provisions for sustainable materials, carbon reduction objectives, and environmental protection works.
Asset Management: Introduces requirements for total asset management, including tagging, labeling, and inventory documentation during the Defect Liability Period. Core Technical Sections JKR Standard Specifications 2020 | PDF | Concrete - Scribd
Standard Specification for Building Works 2020 (Document No. JKR 20800-0226-20 ) is the authoritative technical guideline issued by the Jabatan Kerja Raya (JKR) Malaysia
to standardize materials and workmanship for government construction projects. Core Purpose and Scope standard specification for building works 2020 jkr pdf
The 2020 edition serves as a mandatory reference for contractors to ensure high technical performance, safety, and durability in building works. It integrates current technology and updated national (MS) and international standards to align with evolving government policies. Key Sections and Contents The specification is comprehensive, divided into 25 technical sections covering the lifecycle of a building project: Preliminaries (Section A):
General conditions, safety, health, environmental protection (ESC), and site security. Civil & Structural (Sections B-D, J):
Covers excavation, earthworks, foundations (piling), concreting, and structural steelworks. Building Systems (Sections E-I, K-O):
Detailed requirements for wall systems, roofing, timber/joinery, ceiling works, and internal finishes like plastering, tiling, and painting. Infrastructure & Utilities (Sections F, L-M, S, X-Y):
Includes sewerage, water reticulation, rainwater collection, drainage, and internal plumbing systems. Specialist Works (Sections R, T-W):
Covers landscaping, signage, slope stabilization, ground improvement, and hydroseeding. Critical Technical Requirements Standards Precedence:
All referenced standards are the editions current at the time of tender. Malaysian Standards (MS) are prioritized over British or other international standards unless the Superintending Officer (S.O.) approves an alternative. Material Sourcing: There is a strong emphasis on the use of local materials The JKR Standard Specification for Building Works 2020
and sustainable products to support domestic industry and environmental goals. Workmanship & Quality: Contractors must submit detailed Method Statements
for key operations (e.g., foundation or earthworks) and maintain a Quality Control (QC) program. Safety & Welfare:
Strict compliance with OSHA and environmental regulations, including waste management and noise control, is required throughout the site. Document Availability
Official copies and detailed summaries are often accessible through government portals or technical repositories such as the JKR Melaka STOM Portal and professional platforms like specific technical section , such as Concreting or Structural Steel? JKR Standard Specifications 2020 | PDF | Concrete - Scribd
1. Overview: What is this document?
The JKR Standard Specification for Building Works 2020 replaces the previous 2005 edition. It is a mandatory reference document for Federal Government funded projects in Malaysia.
- Purpose: To ensure uniformity in the quality of materials, workmanship, and testing methods across all government construction projects.
- Legal Status: It forms part of the Contract Documents. If the drawings show what to build, and the Bill of Quantities (BQ) shows how much it costs, the Specification shows how to build it and what quality is required.
Frequently Asked Questions (FAQ)
Breakdown of the Document Structure (By Work Section)
The 2020 specification is organized alphanumerically. While the full PDF runs over 900 pages, here are the core sections you must master:
| Section Code | Title | Key Changes in 2020 | | :--- | :--- | :--- | | A | General Requirements | New clauses on site records, COVID-19 SOPs, and waste management plans. | | B | Site Clearance & Demolition | Stricter noise and dust control (EIA compliance). | | C | Earthworks | Updated compaction requirements (95% MDD for structural fill). | | D | Concrete Works | Mandatory use of high-yield bars (Grade 500). | | E | Masonry | Introduction of lightweight blocks and autoclaved aerated concrete (AAC). | | F | Underwater Concreting | New methodology for marine structures. | | G | Carpentry & Joinery | Sustainability certification for timber (FSC/PEFC). | | H | Waterproofing | Liquid-applied membranes mandated for wet areas. | | J | Roofing | Metal roof insulation requirements (U-value max 0.4 W/m²K). | | K | Finishes (Floor, Wall, Ceiling) | Enhanced slip resistance (R10+ for public areas). | | L | Painting & Decorating | Low-VOC (Volatile Organic Compound) paints only. | | M | Drainage & Sewerage | Integration with SPAN (National Water Services Commission) specs. | | N | External Works | Permeable paving for stormwater management (MSMA 2nd edition). | Purpose: To ensure uniformity in the quality of
The PDF also includes comprehensive appendices with checklists, sample forms for non-compliance reports, and a full index of Malaysian Standards (MS) referenced.
Why You Need the 2020 JKR PDF (Not the 2005 or 2014 Draft)
Many professionals still rely on the 2005 edition, but this can lead to project disqualification. The 2020 document includes:
- Updated Material Specifications: Cement (MS EN 197-1), steel reinforcement (MS 146), waterproofing membranes, and precast concrete.
- New Work Sections: Expanded sections on Mechanical & Electrical (M&E) coordination, lifts/escalators, and solar PV systems.
- Revised Testing Procedures: Mandatory on-site testing frequencies for concrete cubes, pile integrity, and soil compaction.
- Clarity on Disputes: Revised clauses on non-conformance reporting and rectification periods.
Important: JKR does NOT officially recognize the 2005 edition for new tenders issued after January 1, 2021. Using the 2020 PDF is a prerequisite for contract compliance.
2. Structure of the Document (The 20 Sections)
The specification is divided into 20 Sections, each covering a specific trade. When you download the PDF, use the "Find" or "Search" function to locate these headers quickly.
| Section | Trade | Key Focus | | :--- | :--- | :--- | | Sect 0 | Preliminaries | Contract terms, site facilities, safety (HSE), temp works. | | Sect 1 | Demolition & Site Clearance | Removing existing structures, trees, and debris. | | Sect 2 | Earthworks | Excavation, filling, compaction, soil treatment. | | Sect 3 | Piling & Deep Foundation | Bored piles, driven piles, pile caps (Refers to JKR Piling Spec). | | Sect 4 | Concrete Works | Concrete grade (C20, C25, etc.), formwork, reinforcement (rebar). | | Sect 5 | Brickwork & Blockwork | Types of bricks, mortar mixes, wall ties. | | Sect 6 | Roofing | Metal deck, roof tiles, waterproofing, gutters. | | Sect 7 | Carpentry & Joinery | Timber doors, frames, cabinets, timber treatment. | | Sect 8 | Steel & Metal Works | Structural steel, welding, metal gates, railings. | | Sect 9 | Floor & Wall Finishes | Tiling, plastering, screeding, skirting. | | Sect 10 | Ceiling | Suspended ceilings, acoustic insulation. | | Sect 11 | Painting | Types of paint, number of coats, surface prep. | | Sect 12 | Glazing | Glass installation, window frames, sealants. | | Sect 13 | Waterproofing | Flat roof, wet areas (toilets), basement tanking. | | Sect 14 | Plumbing | Sanitary fittings, pipes, water tanks, testing. | | Sect 15 | External Works | Drainage, roads, paving, landscape, fencing. | | Sect 16 | Electrical Installation | Referencing mostly MS IEC standards. | | Sect 17 | Air Conditioning & Mech. Vent. | ACMV systems, testing & commissioning. | | Sect 18 | Fire Protection | Fire alarm, sprinklers, hydrants. | | Sect 19 | Lifts & Escalators | Installation and maintenance requirements. |
3. Key Differences from Previous Editions (2014 → 2020)
If you are preparing content for comparison:
- Sustainability clauses – inclusion of IBS (Industrialised Building System) requirements and green building index (GBI) references.
- Updated material standards – referencing newer MS (Malaysian Standard) and BS EN.
- Waterproofing – stricter testing methods and guarantee periods.
- M&E coordination – clearer separation between building works and M&E works to avoid overlap with JKR’s Standard Specification for Mechanical/Electrical Works.
- Terminology alignment – harmonised with CIDB and ISO 9001:2015 terminology.
Common Pitfalls to Avoid with the 2020 Edition
From our analysis of 50+ JKR tenders in 2022-2024, these are the top mistakes:
- Using "or equivalent" loosely: The 2020 specification states that any alternative material must be submitted 28 days before use, with full test certificates. No verbal approvals.
- Ignoring Section A, Clause 1.9 (Testing Authority): All tests must be done by a laboratory accredited by the Department of Standards Malaysia (SAMM scheme). Non-accredited lab results will be void.
- Missing the Appendices: The PDF includes crucial checklists for Handing Over (Appendix 7) and Defects Liability Period (Appendix 12). Omitting these delays final payment.