elemental cost analysis
TRANSCRIPT
Elemental Cost Analysis Group 1
Group member
Pang Khai Shuen 0318423 (leader)
Chong Hui Xin 0319363
Lee Jian Ru 0318132
Liu Wei Qian 0322969
Lu Siau Vay 0318567
Mok Po Yi 0318207
Ng Seng He 0323037
Pan Lek Vun 0323164
Sherlyn Ang Tse Yun 0317977
Tan Kiah Chun 0324414
Yap Jia En 0319550
Yeo Dor Een 0316224
1 Block 20 Storey apartment (375 unit) and public facilities (Level 5)
Project Details
Address : Above Lot 70285, PJU 10, 47810 Petaling Jaya,
Selangor Dahrul Ehsan
Overall Size : 101.6m x 56.8m
Building Purposes : Residential
Type of Project : Private
Gross Floor Area : 45569m2
Key Plan
Location Plan
Site Plan
Form 1
Gross Floor Area
5th Floor
Gross Floor Area = 257.01m2
5Ath Floor
Gross Floor Area = 2982.89m2
6th Floor
Gross Floor Area = 2180.90m2
Gross Floor Area = 2222.94m2 x 2Nos= 4445.88m2
7th to 8th Floor
9th to 22nd Floor
Gross Floor Area = 2188.98m2 x 14 Nos= 30645.72m2
23rd Floor
Gross Floor Area = 2253.89m2
24th Floor
Gross Floor Area = 2177.98m2
Roof Top
Gross Floor Area = 624.82m2
Total Gross Floor Area
Floor GFA (m2)
5th 257.01
5Ath 2982.89
6th 2180.90
7th – 8th 4445.88
9th – 22nd 30645.72
23rd 2253.89
24th 2177.98
Roof Top 624.82
TOTAL 45569.09
Usable Area – 5Ath Floor
Usable Area – 6th Floor
Usable Area- 7th to 8th Floor
Usable Area – 9th to 22nd Floor
Usable Area – 23rd Floor
Usable Area – 24th Floor
Total Usable Area = 31652m2
Circulation Area – 5th Floor
Circulation Area – 5Ath Floor
Circulation Area – 6th Floor
Circulation Area – 7th to 8th Floor
Circulation Area – 9th to 22nd
Floor
Circulatory Area – 23rd Floor
Circulation Area – 24th Floor
Circulation Area – Roof Top
Total Circulation Area = 4708m2
Ancillary Area – 5th Floor
Ancillary Area – 5Ath Floor
Ancillary Area – 6th Floor
Ancillary Area – 7th to 8th Floor
Ancillary Area – 9th to 22nd Floor
Ancillary Area – 23rd Floor
Ancillary Area – 24th Floor
Ancillary Area – Roof Top
Total Ancillary Area = 963m2
Total Net Floor Area
Element Net Floor Area (m2)
Usable 31652
Circulation 4708
Ancillary 963
Internal Division 8246
TOTAL 45569
Floor Space NOT Enclosed
Total unenclosed space = 168m2
Roof Area
Total Roof Area = 2,735.26m2
Functional Unit: 30,982 m2
𝐸𝑥𝑡𝑒𝑟𝑛𝑎𝑙 𝑊𝑎𝑙𝑙
𝐺𝑟𝑜𝑠𝑠 𝐹𝑙𝑜𝑜𝑟 𝐴𝑟𝑒𝑎=17733.28
45569.09
= 0.389
Design/ShapesPercentage of Gross Floor Area
a) Below Grd Flr. : - %
b) Single Storey Construction : - %
c) Two-Storey Construction : - %
d) 3-Storey Construction : - %
e) 20 Storey Construction : 100 %
Brief Cost Information Contract Sums (RM): 59,103,612.65 Functional Unit Costs
excluding External
Works:
RM1883.23/m2
Provisional Sum (RM) : 1,042,000.00
Prime Cost Sum (RM) : 17,074,000.00
Preliminaries (RM) : 3,665,896.39 being 6.61% of remainder
Contingencies (RM) : 3,000,000.00 being 5.72% of Contract Sum
Contract Sum less
Contingencies (RM) :
56,103,612.65
Form 2
Discount & Rationalisation Factor Calculation• CONTRACT SUM – Prime Cost Sums (Excluding Profit)
– Provisional Sums = 38,718,765.45
• Rationalised Cost Difference = 731,152.8
• 100 – A/B = 0.9811163194
Total Cost of Element (RM)= 10,790,862.90
After Discount & Rationalisation (RM) = 10,587,091.69
Cost per m2 GFA (RM) = 232.33
Element Unit Quantity =45,569.00
Element Unit Rate (RM) =232.33
Element Ratio per m2 GFA =1.00
Reinforced Concrete (kg) = 10,959.00
Reinforcement (kg) = 1,235,963.96
Formwork (m2) = 120,579.00
Frame
Frame
• Frame Reinforcement Concrete and Sawn Formwork
RM4,082,977.20 RM1,786,265.00
• Frame Steel Rod and Fabric
Reinforcement
RM2,853,135.00RM70,112.00
• Frame Steel Rod and Fabric Reinforcement
RM562,383.00RM1,416,206.20
Upper Floor
• Total Cost of Element (RM)= 4,702,008.45
• After Discount & Rationalisation (RM) = 4,613,217.22
• Cost per m2 GFA (RM) =101.24
• Element Unit Quantity =45,569.00
• Element Unit Rate (RM) =101.24
• Element Ratio per m2 GFA =1.00
• Reinforced Concrete (m3) = 6043.00
• Reinforcement (kg) = 414,567.22
• Formwork (m2) = 43,022.00
• Steel rod reinforcement
• Fabric reinforcement
Upper Floor
• UPPER FLOOR SAWN FORWORK
• UPPER FLOOR REINFORCED CONCRETE
Roof• Total Cost of Element (RM)= 2,009,838.75
• After Discount & Rationalisation (RM) = 1,880,811.61
• Cost per m2 GFA (RM) = 41.27
• Element Unit Quantity = 3,977.40
• Element Unit Rate (RM) = 472.87
• Element Ratio per m2 GFA = 0.09
• Reinforced Concrete (m3) = 293
• Reinforcement (kg) = 35,393
• Formwork (m2) =2403
Suspended Gutter Beam & Plinth (Reinforced Concrete)
Formwork to sides and soffit ofSuspended Gutter Beam
Formwork to sides of plinth
Gutter Beam Reinforcement
Gutter Beam Mild Steel Reinforcement
Plinth High Tensile Reinforcement
Formwork to Suspended Roof Slab and Gutter Slab
BRC for Suspended Roof Slab and Gutter Slab
Specialised Butterfly Roof
Rainwater Downpipes
Step 1: Roof Sum – Roof structure Prime
Cost
Step 2: Add butterfly roof profit and
attendance
Step 3: Multiply 0.981116319
Step 4: Add roof structure and butterfly
roof prime cost
ROOF SUM:
Roof + RWDP + Frame & Slabs
[1,141,629.00+121,554.00+285,566.25
= 1,548,749.25]
ROOF SUM – Roof Structure PC:
[1,548,749.25 – 762,000 = 786,49.25]
+ Butterfly Roof Profit and Attendance
[+ 10,110 = 796, 859.25]
Multiply 0.981116319
[x 0.981116319 = 781,811.62]
+ Roof Structure PC + Butterfly Roof PC
[+ 762,000 + 337,000 = 1,880,811.62]
Stairs
• Total Cost of Element (RM)= 452,140.30
• After Discount & Rationalisation (RM) = 447,378.96
• Cost per m2 GFA (RM) = 9.82
• Element Unit Quantity = N/A
• Element Unit Rate (RM) =N/A
• Element Ratio per m2 GFA =N/A
• Reinforced Concrete (m3) = N/A
• Reinforcement (kg) = N/A
• Formwork (m2) = N/A
Total cost of element (after Discount &
Rationalisation)
= (Stairs Sum + Handrailing)x
0.981116319 + Metal Ramp PC
= RM252,140.30 x 0.981116319 +
RM200,000
= RM447,378.96
External Wall • Total Cost of Element (RM)= 499,582.05
• After Discount & Rationalisation (RM) = 490,148.10
• Cost per m2 GFA (RM) = 10.76
• Element Unit Quantity = 7352.00
• Element Unit Rate (RM) =66.67
• Element Ratio per m2 GFA =0.16
• Reinforced Concrete (m3) = N/A
• Reinforcement (kg) = N/A
• Formwork (m2) = N/A
External Wall
Windows and External Doors
• Total Cost of Element (RM)= 3,309,598.07
• After Discount & Rationalisation (RM) = 3,247,100.68
• Cost per m2 GFA (RM) = 71.26
• Element Unit Quantity = 12,148.82
• Element Unit Rate (RM) = 267.28
• Element Ratio per m2 GFA = 0.27
• Reinforced Concrete = N/A
• Reinforcement (kg) = N/A
• Formwork (m2) = N/A
• Windows
• Doors
External door total cost
of element (door, frame
, painting & lintol
only)
= RM1,547,856.27
External door total cost
of element
(ironmongery only) =
RM86,137.50
Internal Walls & Partitions• Total Cost of Element (RM)= 1,269,291.65
• After Discount & Rationalisation (RM) = 1,245,322.75
• Cost per m2 GFA (RM) = 27.33
• Element Unit Quantity = 25,091
• Element Unit Rate (RM) = 49.63
• Element Ratio per m2 GFA = 0.55
• Reinforced Concrete = N/A
• Reinforcement (kg) = N/A
• Formwork (m2) = N/A
Internal Doors• Total Cost of Element (RM)= 633,522.08
• After Discount & Rationalisation (RM) = 621,558.85
• Cost per m2 GFA (RM) = 13.64
• Element Unit Quantity (m2)= 7,368.48.00
• Element Unit Rate (RM) = 84.35
• Element Ratio per m2 GFA = 0.16
• Reinforced Concrete = N/A
• Reinforcement (kg) = N/A
• Formwork (m2) = N/A
Internal door’s
door frame
Timber panel door
Internal door’s
Ironmongery
Internal
door’s lintol
Internal door’s
Painting
Internal Wall Finishes • Total Cost of Element (RM)= 3,418,577.10
• After Discount & Rationalisation (RM) = 3,354,021.78
• Cost per m2 GFA (RM) = 73.60
• Element Unit Quantity = 266,785.00
• Element Unit Rate (RM) = 12.57
• Element Ratio per m2 GFA = 5.85
• Reinforced Concrete (m3) = N/A
• Reinforcement (kg) = N/A
• Formwork (m2) = N/A
Internal Wall Finishes
Internal Floor Finishes
• Total Cost of Element (RM)= 4,213,683.95
• After Discount & Rationalisation (RM) = 4,134,114.09
• Cost per m2 GFA (RM) = 90.72
• Element Unit Quantity = 40,638.00
• Element Unit Rate (RM) = 101.73
• Element Ratio per m2 GFA = 0.89
• Reinforced Concrete = N/A
• Reinforcement (kg) = N/A
• Formwork (m2) = N/A
Internal Floor Finishes
Internal Ceiling Finishes
• Total Cost of Element (RM)= 947,834.90
• After Discount & Rationalisation (RM) = 929,936.29
• Cost per m2 GFA (RM) = 20.41
• Element Unit Quantity = 49,439.00
• Element Unit Rate (RM) = 18.81
• Element Ratio per m2 GFA = 1.08
• Reinforced Concrete (m3) =N/A
• Reinforcement (kg) = N/A
• Formwork (m2) = N/A
Internal Ceiling Finishes
External Finishes
• Total Cost of Element (RM)= 2,148,623.50
• After Discount & Rationalisation (RM) = 2,108,049.58
• Cost per m2 GFA (RM) = 46.26
• Element Unit Quantity = NA
• Element Unit Rate (RM) = NA
• Element Ratio per m2 GFA = NA
• Reinforced Concrete (m3) = NA
• Reinforcement (kg) =NA
• Formwork (m2) = NA
Breakdown• External Finishes Sum:
• 1,442,461.90
• Add Decorative Curvature Railing:
• 687,508.80
• Add Handrailing:
• 18652.80
External Finishes
External Finishes
External Finishes
Fittings and Furnishes • Total Cost of Element (RM)= 220,500.00
• After Discount & Rationalisation (RM) = 220,471.67
• Cost per m2 GFA (RM) = 4.84
• Element Unit Quantity = NA
• Element Unit Rate (RM) = NA
• Element Ratio per m2 GFA = NA
• Reinforced Concrete (m3) = NA
• Reinforcement (kg) =NA
• Formwork (m2) = NA
Sanitary Appliances
• Total Cost of Element (RM)= 1,324,218.75
• After Discount & Rationalisation (RM) = 1,299,212.63
• Cost per m2 GFA (RM) = 28.51
• Element Unit Quantity =3695.00
• Element Unit Rate (RM) = 287.12
• Element Ratio per m2 GFA = 0.10
• Reinforced Concrete = NA
• Reinforcement (kg) = NA
• Formwork (m2) = NA
Prime cost and provisional list
Plumbing Installation• Total Cost of Element (RM)= 3,290,000.00
• After Discount & Rationalisation (RM) = 3,290,000.00
• Cost per m2 GFA (RM) = 72.20
• Element Unit Quantity =N/A
• Element Unit Rate (RM) = N/A
• Element Ratio per m2 GFA = N/A
• Reinforced Concrete =N/A
• Reinforcement (kg) =N/A
• Formwork (m2) =N/A
Air-conditioning & Ventilation System
• Total Cost of Element (RM)= 700,000.00
• After Discount & Rationalisation (RM) = 700,000.00
• Cost per m2 GFA (RM) = 15.36
• Element Unit Quantity =N/A (Tm3)
• Element Unit Rate (RM) = N/A
• Element Ratio per m2 GFA = N/A
• Reinforced Concrete =N/A
• Reinforcement (kg) =N/A
• Formwork (m2) =N/A
Electrical Installation
• Total Cost of Element (RM)= 9,060,000.00
• After Discount & Rationalisation (RM) = 9,060,000.00
• Cost per m2 GFA (RM) = 198.82
• Element Unit Quantity =N/A
• Element Unit Rate (RM) = N/A
• Element Ratio per m2 GFA = N/A
• Reinforced Concrete =N/A
• Reinforcement (kg) =N/A
• Formwork (m2) =N/A
Fire Protection Installation• Total Cost of Element (RM)= 875,000.00
• After Discount & Rationalisation (RM) = 875,000.00
• Cost per m2 GFA (RM) = 19.20
• Element Unit Quantity =N/A
• Element Unit Rate (RM) = N/A
• Element Ratio per m2 GFA = N/A
• Reinforced Concrete =N/A
• Reinforcement (kg) =N/A
• Formwork (m2) =N/A
Lift and Conveyor Installation• Total Cost of Element (RM)= 1,500,000.00
• After Discount & Rationalisation (RM) = 1,500,000.00
• Cost per m2 GFA (RM) = 32.92
• Element Unit Quantity =N/A
• Element Unit Rate (RM) = N/A
• Element Ratio per m2 GFA = N/A
• Reinforced Concrete =N/A
• Reinforcement (kg) =N/A
• Formwork (m2) =N/A
Special Installation• Total Cost of Element (RM)= 340,000.00
• After Discount & Rationalisation (RM) = 340,000.00
• Cost per m2 GFA (RM) = 24.12
• Element Unit Quantity =N/A
• Element Unit Rate (RM) = N/A
• Element Ratio per m2 GFA = N/A
• Reinforced Concrete =N/A
• Reinforcement (kg) =N/A
• Formwork (m2) =N/A
Builder’s Profit and Attendance on Services
• Total Cost of Element (RM)= 462,750.00
• After Discount & Rationalisation (RM) = 454,011.58
• Cost per m2 GFA (RM) = 9.96
• Element Unit Quantity =N/A
• Element Unit Rate (RM) = N/A
• Element Ratio per m2 GFA = N/A
• Reinforced Concrete =N/A
• Reinforcement (kg) =N/A
• Formwork (m2) =N/A
Builder’s Work in Connection with Services
• Total Cost of Element (RM)= 283,000.00
• After Discount & Rationalisation (RM) = 283,000.00
• Cost per m2 GFA (RM) = 6.21
• Element Unit Quantity =N/A
• Element Unit Rate (RM) = N/A
• Element Ratio per m2 GFA = N/A
• Reinforced Concrete =N/A
• Reinforcement (kg) =N/A
• Formwork (m2) =N/A
Site Work
• Total Cost of Element (RM) = 711,258.10
• After Discount & Rationalisation (RM) = 707,268.77
• Cost perm2 GFA (RM) = 15.52
• Element Unit Quantity =N/A
• Element Unit Rate (RM) = N/A
• Element Ratio per m2 GFA = N/A
• Reinforced Concrete =N/A
• Reinforcement (kg) =N/A
• Formwork (m2) =N/A
Recreational Facility
• Total Cost of Element (RM) = 50,000.00
• After Discount & Rationalisation (RM) = 50,000.00
• Cost perm2 GFA (RM) = 1.10
• Element Unit Quantity =N/A
• Element Unit Rate (RM) = N/A
• Element Ratio per m2 GFA = N/A
• Reinforced Concrete =N/A
• Reinforcement (kg) =N/A
• Formwork (m2) =N/A
Preliminary• Total Cost of Element (RM) = 3,736,454.40
• After Discount & Rationalisation (RM) = 3,665,896.39
• Cost perm2 GFA (RM) = 80.45
Total (less contingencies)Group of element Total cost
Superstructure 23,132,629.88
Finishes 10,526,121.74
Fittings and furnishings 220,471.67
Services 17,801,224.20
External work 757,268.77
Preliminaries 3,665,896.39
TOTAL : 56,103,612.65
Thank You