Standard Specification For Building Works 2020 Jkr Pdf Apr 2026

Slump test – every 50m³. Cube test – 3 cubes per 50m³, tested at 7 & 28 days (MS 26).

Grade 30 – 1:2:4 mix with maximum water-cement ratio 0.55. Grade 35 – Designed mix with minimum cement content 350 kg/m³. standard specification for building works 2020 jkr pdf

Measured in cubic metres (m³) of completed in-place concrete. Separate payment for formwork and reinforcement. No separate payment for curing. 4. Formatting for Professional Documents | Element | Style | |---------|-------| | Font | Arial 11pt (text), Arial 12pt bold (headings) | | Margins | Left 25mm, Right 15mm, Top 20mm, Bottom 20mm | | Clause numbering | Decimal system (e.g., 7.4.1) | | Tables | Numbered by clause (Table 7.4.4(a)) | | Cross-references | Clause number in bold | Legal Note If you are preparing a contract document , you must use the official JKR 2020 PDF directly. The above example is for reference only. Unauthorized reproduction or redistribution of JKR specifications is prohibited under Malaysian copyright law (Akta Hak Cipta 1987). Slump test – every 50m³

a) Formwork – Rigid, true to line and level, removal time as per Table 7.4.4(a). b) Placing – Max free fall 1.5m, no segregation. c) Compaction – Mechanical vibrator, not contacting reinforcement. d) Curing – Minimum 7 days wet hessian or curing compound. Grade 35 – Designed mix with minimum cement

a) Cement – Ordinary Portland Cement complying with MS 522: Part 1. b) Coarse aggregate – 20mm nominal size, crushed granite, complying with MS 30. c) Fine aggregate – Natural sand, grading Zone 2, MS 30. d) Water – Clean, free from oils, acids, alkalis, or organic matter.

This clause covers the supply, mixing, transporting, placing, compacting, curing and finishing of structural concrete for all reinforced concrete elements excluding pre-cast concrete.

Cover to reinforcement ±5mm, member thickness +10mm/-5mm.