Board of GrievancesMunjaz10My actionsNotifications

Knowledge base

Procedures, guidelines, policies and best practices.

What are you looking for?

One search across ⁦16⁩ articles, ⁦21⁩ lessons, ⁦8⁩ templates and ⁦25⁩ documents

Try:

Shelves

Pick a shelf to see its articles, or go to templates and lessons.

EPMO picks

What any project manager needs before starting.

AI insight

Three projects enter tendering this quarter

The Asir administrative appeal court complex, the energy retrofit of existing court buildings and the unified judicial operations centre are close to tender; on similar projects, contractor capacity and the funding model failed most.

Confidence⁦81%⁩

Most read

Recently revised

Due for review

Before year end

My saved

Articles you saved for later

Nothing saved yet. Open any article and press «Save».

Cost estimates and contingency

KB-202 · Guidelines · 6 min read

Contingency rates by project type, and what must never hide inside them.

Owner: Haifa S. Al-Ruwaili·Updated 2026-05-203 Dhuʻl-Hijjah 1447 AH·Review by ⁦2026-11-20⁩

Reference rates

  1. 1Digital: ⁦10–15%⁩
  2. 2Construction: ⁦12–20%⁩
  3. 3Rehabilitating court buildings still in use: ⁦20%⁩

Estimate separately

Data cleansing and migration, utility diversion and land allocation and handover are separate lines, never contingency.

Sources

Was this article useful?

Cost · Business case

Esc

Quick actions

Go to

Projects

↑↓to move↵to openEscto close