W1-2-60-1-6
JOMO KENYATTA UNIVERSITY
OF
AGRICULTURE AND TECHNOLOGY
University Examinations 2012/2013
END OF SEMESTER EXAMINATION FOR DIPLOMA IN ARCHITECTURE
ABA 0203: CONSTRUCTION TECHNOLOGY I
DATE: AUGUST 2012 TIME: 1½ HOURS
INSTRUCTIONS: ANSWER QUESTION ONE AND ANY OTHER TWO QUESTIONS
USE CLEAR ILLUSTRATIONS IN EXPLAINING YOUR ANSWERS
QUESTION ONE
(a) Explain The following
i. Skeletal structures (5 mks)
ii. Solid structures (5 mks)
(b) Define and illustrate pile foundation (10 mks)
(c) Explain ‘Resistance to Ground Moisture’ as a functional requirement for floors. (10 mks)
QUESTION TWO
(a) Explain the use of the following in a solid ground floor
i. Hardcore (3 mks)
ii. Blinding (3 mks)
(b) Define timbering (3 mks)
(c) Illustrate timbering in the following soil conditions
i. Granular soils such as sand (3 mks)
ii. Compact soils such as clays. (3 mks)
QUESTION THREE
(a) List six factors to consider when selecting a project site. (3 mks)
(b) Illustrate two ways of reducing levels. (6 mks)
(c) Briefly explain the storage of the following items in a site
i. Cement, plaster and lime (3 mks)
ii. Aggregate- sand and ballast (3 mks)
QUESTION FOUR
Illustrate the following roof pitches
i. Butterfly roof (2 mks)
ii. Symmetrical roof (2 mks)
(b) Define the following
i. Shoring (3 mks)
ii. Scaffolding (3 mks)
iii. Formwork (3 mks)
(c) List four requirements for form work. (2 mks)
QUESTION FIVE
Before undertaking demolition, it is necessary to undertake a proper survey. Explain this statement outlining the items you will look for in such a survey.
(15 mks)