cost final xxx swinburne hes 5175 cost engineering caisson estimating assignment
DESCRIPTION
Cost EngineeringAn assignment on project estimationTRANSCRIPT
Excavation1 15m Dia Caisson (15+0.5+0.5+0.05+0.05) 1
D 16.1 H 10 m 2A 203.5831 m2 3V 2035.831 m3 (one) 4V 4071.661 m3 (two) 5
62 20m Dia Caisson (20+0.5+0.5+0.05+0.05)
D 21.1 H 15 mA 349.6671 m2V 5245.007 m3
Formwork1 15m Dia Caisson
P=2PiR D1 15 m H 1 mD2 16 m
P Int 47.12389P ext 50.26548A 97.38937 m2 (one)A 194.7787 m2 (two)
2 20m Dia CaissonP=2PiR D1 20 m H 1 m
D2 21 mP Int 62.83185P ext 65.97345A 128.8053 m2
Concrete1 15m Dia Caisson H 9.5 m (exclude cutting edge)
D1 15 m A1 176.7146D2 16 m A2 201.0619
Vol 1 1678.789Vol 2 1910.088Vol 231.2998 m3
Cutting edge D 16.1 m H 0.5 mA1 203.5831 m2A2 201.0619 m2Vol 1 1.260564 m3Vol 2 6.086836 m3
Total Vol 238.6472 m3 (one)Total Vol 477.2943 m3 (two)
2 20m Dia Caisson H 14.5 m (exclude cutting edge)D1 20 m A1 314.1593D2 21 m A2 346.3606
Vol 1 4555.309Vol 2 5022.229Vol 466.9192 m3
Cutting edge D 21.1 m H 0.5 mA1 349.6671 m2A2 346.3606 m2Vol 1 1.653263 m3Vol 2 8.050331 m3
Total Vol 476.6228 m3
Crush rock1 15m Dia Caisson Height 1 m
A1 176.7146 m2V1 176.7146 m3
A2 Tri 24.34734 m2 H 0.5 mV2 Tri 6.086836 m3
Total Vol 182.8014 m3 (one)Total Vol 365.6028 m3 (two)
2 20m Dia Caisson Height 1 mA1 314.1593 m2V1 314.1593 m3
A2 Tri 32.20132 m2 H 0.5 mV2 Tri 8.050331 m3
Total Vol 322.2096 m3
Reinforcement1 15m Dia Caisson
HorizontalDia 15 m Weight 3.64 kg/mWal thick 0.5 mD 15.5 m
P 48.69469 m
Max 12m rebar 12 m12-0.85-0.85= 10.3 m
No of 12m length steel 4.727639 = 5
No of circle 10m/0.5m = 20 +1 = 21
Total length 1260 mTotal weight 4586.4 kg 4.5864 t
VerticalHeight 10 mCircumference 48.69469 m
No of circle 97.38937 = 98
this we only need 1 @12m steel rebar because total length only 10m
Total length 1176 mTotal weight 4280.64 kg 4.28064 t
Total Weight for both hori and vert rebars for one caisson 8.86704 tTotal Weight for both hori and vert rebars for two caisson 17.73408 t
2 20m Dia CaissonHorizontalDia 20 m Weight 3.64 kg/mWal thick 0.5 mD 20.5 mP 64.40265 m
Max 12m rebar 12 m12-0.85-0.85= 10.3 m
No of 12m length steel 6.252684 = 6 @12m
No of circle 15m/0.5m = 30 +1 = 31
6 @ 12m rebars 12 m1 @ 2.6m (1/3 @ 12m) = 4m 4 m
Total length 2356 mTotal weight 8575.84 kg 8.57584 t
VerticalHeight 15 mCircumference 64.40265 m
No of circle 128.8053 = 129
12m - 0.85m = 11.15m
1 @ 12m (11.15m) 12 m1 @ 4m (3.85m) (1/3) 4 m
3.85 - 0.85 = 3 m11.15m/3m = 3.7 3
Total length 2064 mTotal weight 7512.96 kg 7.51296 t
Total Weight for both hori and vert rebars for one caisson 16.0888 t
Install cutting edge1 15m Dia Caisson
P = 2Pi R R = 16/2 8.00P = 2Pi R 50.26548 m
No. Of 4m steel 12.56637 = 13 (one) = 26 (two)
2 20m Dia CaissonP = 2Pi R R = 21/2 10.50P = 2Pi R 65.97345 m
No. Of 4m steel 16.49336 = 17
Description Unit Caisson B
Excavation (common material) m3 4071.7 5245.0Reinforcing steel t 17.7 16.1Formwork (walls) m2 194.8 128.8Concrete (supply & place) m3 477.3 476.6Graded crushed rock (base of caisson) m3 365.6 322.2Install Cutting Edges (Principal supply) joints 26 17
Caisson A (for 2
off)
Description Caisson B
1 Minimum number of pours required 20.00 15.00 35.002 Excavation (time per lift) 21.72 37.30 59.013 Rebar (time per lift) 17.73 21.45 39.194 Formwork (time per lift) 3.90 3.43 7.335 Concrete (time per lift) 47.73 63.55 111.286 Minimum (time per lift) 91.07 125.73 216.817 Total manhours 11988.53 11986.78 23975.318 Total crane hours 1249.92 1342.49 2592.41
Caisson A (for 2 Off)
Sum of Production
Rates (2A +B)
HES 5175 Cost Engineering Assignment 5 - Caisson Example 04/17/2023
Suman SAHA (6726143) Page 2/2 Summary
PART 1 - Quantity Takeoff
1. Bill of Quantities:
Caisson ADescription Unit (for 2 off) Caisson B
1 Excavation (common material) 4072 52452 Reinforcing steel t 18 16
3 Formwork (walls) 193 129
4 Concrete (supply & place) 456 459
5 Graded crushed rock (base of caisson) 825 15716 Install Cutting Edges (Principal supply) joints 26 17
PART 2 - Production Rates
DescriptionCaisson A
Caisson BSum of Production
(for 2 off) Rates (2A +B)1 Minimum number of pours required 24 32 562 Excavation (time per lift) 22 37 373 Rebar (time per lift) 18 21 394 Formwork (time per lift) 4 3 75 Concrete (time per lift) 48 64 1116 Minimum (time per lift) 83 112 1957 Total manhours 12323 12209 245318 Total crane hours 1284 1352 2636
m3
m2
m3
m3
HES5175 Cost Engineering 3. Production Rate Take-off Sheet 04/17/2023
Suman SAHA (6726143) Page 1/1 Production Rate Take-off Sheet
Caisson A
Description Qty Unit Rate Hours Foreman Labourers Spotter Welders DurationExcavation (Common material) 4071.66 m3 15 271.4 81.4 30% 271.4 100% 2 542.9 895.77 271.44FEL for handling/spreading 4071.66 m3 25 162.9 16.3 10% 162.9 100% 179.15 162.87spoil Hand trimming floor 201.062 m2 5 40.2 20.1 50% 5 201.1 221.17 40.21Formwork 193.21 m2 2.5 77.3 30.9 40% 15.5 20% 6 463.7 510.07 77.28Concrete placing 455.53 m3 2 911.1 911.1 100% 911.1 100% 6 5466.4 7288.48 911.06Rebar 17.7341 t 20 354.7 177.3 50% 35.5 10% 6 2128.1 2340.90 354.68Assembling & welding 26 join 20 520.0 520 520.00 520.00Crushed rock 824.69 m3 50 16.5 1.6 10% 16.5 100% 16.5 1 32.99 16.49TOTAL 1249.9 11988.53 2354.04
Caisson B
Description Qty Unit Rate Hours Foreman Labourers Spotter Welders DurationExcavation (Common material) 5245 m3 15 349.7 104.9 30% 349.7 100% 2 699.3 1153.90 349.67FEL for handling/spreading 5245 m3 25 209.8 21.0 10% 209.8 100% 230.78 209.80spoil Hand trimming floor 346.361 m2 5 69.3 34.6 50% 5 346.4 381.00 69.27Formwork 128.805 m2 2.5 51.5 20.6 40% 10.3 20% 6 309.1 340.05 51.52Concrete placing 459.46 m3 2 918.9 918.9 100% 918.9 100% 6 5513.5 7351.36 918.92Rebar 16.0888 t 20 321.8 160.9 50% 32.2 10% 6 1930.7 2123.72 321.78Assembling & welding 17 join 20 340.0 340 340.00 340.00Crushed rock 1570.82 m3 50 31.4 3.1 10% 31.4 100% 31.4 1 65.97 31.42TOTAL 1342.5 11986.78 2292.37
Crane Operator
FEL Operator
Totals m/hrs
Crane Operator
FEL Operator
Totals m/hrs