(a) Calculate build-up rates for cement mortar mix (1:1:6) by using a machine size 7/5 per m3(b) Calculate build-up rates for one brickwork in common bricks in cement, lime, and sand (1:1:6) mortar in Flemish bond, non-load bearing per m2(Price of mortar is based on the answer of Q3(a)). Table 1: Information for estimating worksA. Materials Cost1 bag cement (50kg) (inclusive unloading)1 tonne sand1 bag lime (10kg)1 piece of clay brickSyelek per litrePutty per 1 kgPaint (Primer) per tin (5 litres)Paint (Undercoat) per tin (5 litres)Paint (Finish) per tin (5 litres)Sandpaper per sheetRM 20.00RM 150.004.500.307.00RMRMRMRM9.00RM 49.00RM 61.00RM 90.00RM1.00B. Machine and Equipment CostMixer (rental) per dayDiesel use per dayLubrication oil use per dayRM 40.00RM 25.00RM 19.00C. Labour CostWorker wages per day:• OperatorSkilled workerRM 70.00RM 70.00RM 50.00Unskilled workerLabour output:120 piecesBricklayer per hourAdditional information:Brush for painting workAdditional to labour cost for painting ceiling3%10%D. Additional Percentage of Shrinkage and WastageMortarWastage on brickThe percentage for profit and overhead33.33%3%12% COURSE NAME: CONSTRUCTION COST ESTIMATIONCOURSE CODE: BPD 31003Table Q3(a): Machine output for mixing mortarMachineLabourOutput/hour(m)Diesel/hour Lubrication/hour(litre)size(litre)5/32I operator, 1 unskilled1.251.100.047/5I operator, 3 unskilled2.251.600.0610/71operator, 4 unskilled3.251.800.0714 / 101operator, 4 unskilled4.502.100.0818/121 operator, 6 unskilled5.502.400.10Table Q3(b): Materials for 1m? of brickwallDescriptionMortar (m')Number of brickHalf brickwall0.02563One brickwall0.050125One and a half brickwall0.075188Table Q3(c): Labour output for brickwork

given cement:lime:sand mortar1:1:6considering 35% bulkage and 33.33 wastagedry volume…

) Calculate build-up rates for cement mortar mix (1:1:6) by using a machine size 7/5 per m3 (b) Calculate build-up rates for one brickwork in common bricks in cement, lime, and sand (1:1:6) mortar in Flemish bond, non-load bearing per m2 (Price of mortar is based on the answer of Q3(a)).

) Calculate build-up rates for cement mortar mix (1:1:6) by using a machine size 7/5 per m3 (b) Calculate build-up rates for one brickwork in common bricks in cement, lime, and sand (1:1:6) mortar in Flemish bond, non-load bearing per m2 (Price of mortar is based on the answer of Q3(a)).

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

(a) Calculate build-up rates for cement mortar mix (1:1:6) by using a machine size 7/5 per m3

(b) Calculate build-up rates for one brickwork in common bricks in cement, lime, and sand (1:1:6) mortar in Flemish bond, non-load bearing per m2
(Price of mortar is based on the answer of Q3(a)).

Table 1: Information for estimating works
A. Materials Cost
1 bag cement (50kg) (inclusive unloading)
1 tonne sand
1 bag lime (10kg)
1 piece of clay brick
Syelek per litre
Putty per 1 kg
Paint (Primer) per tin (5 litres)
Paint (Undercoat) per tin (5 litres)
Paint (Finish) per tin (5 litres)
Sandpaper per sheet
RM 20.00
RM 150.00
4.50
0.30
7.00
RM
RM
RM
RM
9.00
RM 49.00
RM 61.00
RM 90.00
RM
1.00
B. Machine and Equipment Cost
Mixer (rental) per day
Diesel use per day
Lubrication oil use per day
RM 40.00
RM 25.00
RM 19.00
C. Labour Cost
Worker wages per day:
• Operator
Skilled worker
RM 70.00
RM 70.00
RM 50.00
Unskilled worker
Labour output:
120 pieces
Bricklayer per hour
Additional information:
Brush for painting work
Additional to labour cost for painting ceiling
3%
10%
D. Additional Percentage of Shrinkage and Wastage
Mortar
Wastage on brick
The percentage for profit and overhead
33.33%
3%
12%

COURSE NAME
: CONSTRUCTION COST ESTIMATION
COURSE CODE
: BPD 31003
Table Q3(a): Machine output for mixing mortar
Machine
Labour
Output/hour
(m)
Diesel/hour Lubrication/hour
(litre)
size
(litre)
5/32
I operator, 1 unskilled
1.25
1.10
0.04
7/5
I operator, 3 unskilled
2.25
1.60
0.06
10/7
1
operator, 4 unskilled
3.25
1.80
0.07
14 / 10
1
operator, 4 unskilled
4.50
2.10
0.08
18/12
1 operator, 6 unskilled
5.50
2.40
0.10
Table Q3(b): Materials for 1m? of brickwall
Description
Mortar (m')
Number of brick
Half brickwall
0.025
63
One brickwall
0.050
125
One and a half brickwall
0.075
188
Table Q3(c): Labour output for brickwork

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Note:hand written solution should be avoided.
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Answer question 3
Working on major construction project that requires considerable amounts of concrete to be used,you are asked to design a concrete mix following the BRE methodology. The concrete mixspecifications are:o Characteristic compressive strength of 50 N/mm 2 at 7 days.o Failure rate of 2%o Previous control data yielded a standard deviation of 5 N/mm 2o CEM-I 52.5o Air-entraining is not requiredo Required slump 120 mmo Coarse aggregate: Crushed maximum size 10mmo Fine aggregate: Uncrushed with 45% passing 600 μm sieveo Relative density of aggregates: 2.7o Coarse aggregate has 4% moistureo Fine aggregate is dry and has 1.2% absorption.o Volume of the required trial mix: 0.120 m3 Create the mix design and state what actions and recommenations you would do if trial produced a result with a mean compressive strength of 64 MPa at 7 days and the slump was 80mm.