Break Up Details (Don's use Rate, its PWD rate 2008)

Supplying, fitting and fixing of aluminium curtain wall and aluminium top hung/basement windows ad per the US Architectural aluminium Manufacturer's Association (AAMA) Standard Specification having 100 mm , 50mm, 2mm curtain wall sub-mullim outer and inner frame. (Any colour)
Considering : 1X 9'-0"X9'-7" = 86.22 sft
A. Cost of Materials
1) Curtain wall sub mullium (100mm X 50 mm X 2.00 mm)
4 X 9'-0' = 36 rft
4 X 9'-7' = 38.32 "
74.32 sft.
Add 3% wastage= 2.2296 sft.
76.55 sft. @ 276 Per rft. = 21127.8
2) Casement outer frame (29mm X 20 mm X 1.20 mm)
2X 2 X 3'-2' = 12.68 rft
2X 2 X 3'-0' = 12 "
= 24.68 sft.
Add 3% wastage= 0.7404 sft.
25.42 sft. @ 30 Per rft. = 762.6
3) Casement outer section (52mm X 22 mm X 40mm X 1.5 mm)
2X 2 X 3'-2' = 12.68 rft
2X 2 X 3'-0' = 12 "
= 24.68 sft.
Add 3% wastage= 0.7404 sft.
25.42 sft. @ 143 Per rft. = 3635.06
4) Aluminium angle (50mm X 50 mm X 6mm)
16 X 2' = 2.67 sft.
Add 3% wastage= 0.0801 sft.
2.75 sft. @ 180 Per rft. = 495
5) Aluminium cover (50mm X 6 mm X 1.5mm)
24 X 3' = 6 sft.
Add 3% wastage= 0.18 sft.
6.18 sft. @ 60 Per rft. = 370.8
6) 50mm X 6 mm X 1.5mm angle for casement shutter
12 X 2' = 2 sft.
Add 3% wastage= 0.06 sft.
2.06 sft. @ 51 Per rft. = 105.06
Sub Total (A) = 26496.32
B Hard ware accessories:
1. Steel rowel bolt 32 Pcs @ 25 Each = 800
2. 2" SS Screw 65 Pcs @ 2 Each = 130
3. Rivets (Big) 230 Pcs @ 1 Each = 230
4. Rivets (Normal) 40 Pcs @ 0.4 Each = 16
5. Norton Tap 72 Pcs @ 20 Each = 1440
6. Masking tape 1 Pcs @ 30 Each = 30
7. Structural sealant 6 Pcs @ 6 Each = 36
8. Casement 4-bar huge 4 Pcs @ 400 Each = 1600
9. Casement handle 2 Pcs @ 150 Each = 300
10. Sealant Gum 2 Pcs @ 250 Each = 500
11. Arm lock 4 Pcs @ 350 Each = 1400
12. M.S. angle 16 Pcs @ 70 Each = 1120
Sub Total (b) = 7602
C a) Labour Charge:
i) Skilled Technician 10 No. @ 400 Each = 4000
ii) Semi-Skilled Technician 10 No. @ 250 Each = 2500
iii) Machineries L.S. = 600
b) Labour cost for civil work
i) Mason 3 No. @ 250 Each = 750
ii) Ordinary Labour 3 No. @ 150 Each = 450
D Cost of high scaffolding L.S. = 300
E Carriage and Sundries L.S. = 700
Total (A+B+C+D+E) = 43398.32
Profit 0.1 = 4339.83
Overhead 0.035 = 1518.94
= 49257.09
Add VAT with adjustment factor 1.04712 0.045 = 2321.01
Grand total = 51578.1
Rate per sft. = 598.22
Rate per sqm. = 6439.24
Say, 6439 .00 Per sqm.