Measurement, Estimation And Costing Of Building Works II

Building Technology · Level 6  ·  3 Chapters

Compiled by: John Wachira

▣ What this unit covers

In this unit, you will be able to confidently interpret building drawings and measure elements with precision, preparing detailed bills of quantities and tender documents that meet industry standards. You’ll learn to navigate the entire tendering process, from selecting the right method to evaluating bids and managing contracts, ensuring every variation and valuation is handled accurately and professionally. By mastering these skills, you’ll be ready to contribute effectively to real building projects, supporting smooth operations and successful outcomes in your trade.

■ Where this takes you

Working with numbers, drawings and contracts isn’t just about paperwork - it’s the backbone of every building that rises across Kenya, from a modest home in Kitui to a gleaming hotel on the Diani beachfront. Mastering measurement, estimation and costing equips you to turn architects’ visions into reality, keep projects on budget, and ensure that everyone - clients, contractors and workers - gets paid fairly and on time.

  • Quantity-surveying in private construction firms - Use your ability to read working drawings and measure building elements to prepare accurate Bills of Quantities for residential estates in Kiambu, commercial office blocks in Nairobi’s Central Business District, or industrial warehouses in Mombasa’s port area.
  • Tender preparation for public infrastructure - Apply your knowledge of tendering methods and document preparation when bidding for road upgrades in Nakuru County, water supply schemes in Turkana, or school construction projects in the Rift Valley.
  • Cost-control for real-estate developers - Compile and update BOQs, evaluate variations, and issue interim, penultimate and final payment certificates for mixed-use developments in Westlands or luxury resorts along the coast, ensuring cash flow stays smooth and profit margins are protected.
  • Freelance consultancy for small contractors - Offer measurement, abstracting and billing services to local builders in towns like Eldoret or Garissa, helping them win contracts by submitting professional tender documents and clear cost breakdowns.
  • Contract administration in engineering consultancies - Work with project managers to record approved variations, calculate their valuations, and manage day-work payments on civil-engineering works such as bridge construction in Kisumu or drainage projects in Thika.
  • Procurement and bid evaluation for NGOs or community projects - Develop evaluation criteria and assess bids for low-cost housing schemes in informal settlements, ensuring transparent selection of subcontractors and fair pricing.
  • Self-employment as a cost-engineer for specialty projects - Provide specialised costing for niche sectors like solar-farm installations in Kitui, modular school buildings in Nyeri, or renovation of heritage structures in Lamu, where accurate measurement and billing are critical.

Your expertise will be the trusted link between design and delivery, giving you the confidence to work in bustling city firms, remote county projects, or as your own business. Keep sharpening these skills - they are the key to building a stable, rewarding career in Kenya’s growing construction landscape.

Chapters

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Beyond the syllabus