Concrete Works
Working Crew:
Carpenter - 4
Mason - 4
Laborer – 12
DAILY LABOR COST = [4(600) + 4(600) + 12(500)]
= ₱10,800/MD
Structure: Footing
Quantity: 0.432 m³
Difficulty Factor: 1.00
Construction Method: Mixing concrete with bagger mixer and placing
Ideal Crew Daily Output: 6 m³
SOLUTION:
1
LABOR UNIT COST = ₱10,800/MD x 1.00 x 6 𝑚³
= ₱1,800 /m³
DURATION
=
0.432 𝑚³
6 𝑚³/𝑀𝐷
= 0.072 days
Structure: Columns
Quantity: 0.918 m³
Difficulty Factor: 1.15
Construction Method: Mixing concrete with bagger mixer and placing
Ideal Crew Daily Output: 6.0 m³
SOLUTION:
1
LABOR UNIT COST = ₱10,800/MD x 1.15 x 6.0 𝑚³
= ₱2,070.00 /m³
DURATION
=
0.918 𝑚³
6 𝑚³/𝑀𝐷
= 0.153 days
Structure: Beams
Quantity: 17.31 m³
Difficulty Factor: 1.15
Construction Method: Mixing concrete with bagger mixer and placing
Ideal Crew Daily Output: 6.0 m³
SOLUTION:
1
LABOR UNIT COST = ₱10,800/MD x 1.15 x 6 𝑚³
= ₱2,070.00 /m³
DURATION
=
17.31 𝑚³
6 𝑚³/𝑀𝐷
= 3 days
Structure: Slab
Quantity: 58.365 m³
Difficulty Factor: 1.20
Construction Method: Mixing concrete with bagger mixer and placing
Ideal Crew Daily Output: 6 m³
SOLUTION:
1
LABOR UNIT COST = ₱10,800/MD x 1.20 x 6 𝑚³
= ₱2,160.00 /m³
DURATION
=
58.365 𝑚³
6 𝑚³/𝑀𝐷
= 10 days
Structure: Stairs
Quantity: 1.325 m³
Difficulty Factor: 1.25
Construction Method: Mixing concrete with bagger mixer and placing
Ideal Crew Daily Output: 6.0 m³
SOLUTION:
1
LABOR UNIT COST = ₱10,800/MD x 1.25 x 6.0 𝑚³
= ₱2,250.00 /m³
DURATION
=
1.325 𝑚³
6.0 𝑚³/𝑀𝐷
= 0.221 days
Structure: Septic Tank
Quantity: 1.998 m³
Difficulty Factor: 1.15
Construction Method: Mixing concrete with bagger mixer and placing
Ideal Crew Daily Output: 6.0 m³
SOLUTION:
1
LABOR UNIT COST = ₱10,800/MD x 1.15 x 6.0𝑚³
= ₱2,070.00 /m³
DURATION
=
1.998 𝑚³
6 𝑚³/𝑀𝐷
= 0.333 days
TOTAL NUMBER OF DAYS: 13.80 DAYS = 14 MAN DAYS
Project
: 2-Storey Residential Building
Item No.
Description
Quantity
Unit
: III
: Structural Concrete
: 80.348
: cu.m
NAME AND SPECIFICATION
QUANTITY
UNIT
UNIT RATE
COST
P
M
A
T
E
R
I
A
L
S
A.
Portland Cement
Washed Sand
1001
52.348
bags
cu.m
235.00
1,365.00
235,235.00
71,455.02
Washed Gravel
104.639
cu.m
1,310.00
137,077.09
TOTAL
DESIGNATION OF PERSONNEL
L
A
B
O
R
Carpenter
Mason
Laborer
B.
TOTAL
151,200.00
DESIGNATION OF PERSONNEL
E
Q
U
I
P
M
E
N
T
C.
D.
E.
F.
G.
H.
I.
One bagger mixer
Concrete Vibrator
Minor Tools
TOTAL
TOTAL DIRECT COST (A+B+C)
OCM
PROFIT
VAT
Mob/Demob
TOTAL COST (D+E+F+G+H)
P
NUMBER
4
4
12
No. of Days
14
14
14
Unit Rate
600.00
600.00
500.00
443,767.11
COST
33,600.00
33,600.00
84,000.00
P
NUMBER
No. of Days
1
1
14
14
Unit Rate
COST
1,350.00
725.00
18,900.00
10,150.00
2,543.00
P
P
31,593.00
626,560.11
93,984.02
62,656.01
39,160.01
6,265.60
828,625.75
J.
UNIT COST
10,312.96