building construction Paper 3 Nov/Dec 2015

Question 1

 

 

SPECIFICATIONS

FOUNDATION:             675 x 225 concrete strip laid at a depth of 900 below the ground level.

FLOORS:                      Earth filling;
Hardcore 300;
Concrete slab 150;
Mortar screed 25.

WALLS:                        225 thick sandcrete hollow blocks;
150 thick sandcrete(partition wall for toilet and bathroom only).

DOORS:                       D1 – 1000 x 2100 x 50 hardwood panelled door;
D2  -  900 x 2100 x 38 flush door ( solid core );
D3  -   750 x 2100 x 38 flush door ( solid core );
D4  -     2000 x 2100 steel shutter.

WINDOWS:
W1 – 1800 x 1200 sliding windows (3 – bays );
W2  -  1200 x 1200 sliding windows (2 - bays);
W3  -  600 x 600 glazed casement.

 LINTELS:                     225 X 225 reinforced concrete

COLUMNS:                  Col. 1 - 225 X 225 reinforced concrete.
Col. 2 - 300 X 225 reinforced concrete.

ARCHES:                     Arch. 1 - Span 1275; Rise 900.
Arch. 2 – Span 2400; Rise 900.

WARDROBE:               1200 X 750 free standing wooden wardrobe.

 

ROOF:                          Double pitched;
Pitch - 150;
Eaves projection – 500mm;                               
Height from finished floor to ceiling level – 3000.

 

 

 

 

To a scale of 1:50; draw a detail section X – X of the building from foundation to the roof

 

 

Observation

A good number of candidates were able to show the:

-           walls in section;
-           ground floor details;
-           timber roof members.

However, majority of them failed to:

-           show the walls in elevation;
-           indicate the rendering on both sides of the walls;
-           label the roof members.

The detailed section X – X of the building from foundation to the roof is as shown below.