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ComFlor Span tables
ComFlor 46 normal weight concrete using mesh(BS5950)
ComFlor 46 span table
Props Span Fire Slab Mesh Total applied load (kN/m2)
period Depth 3.5 5.0 10.0 3.5 5.0 10.0(mm) 0.9 1.2
1 hour 120 A193 2.4 2.4 2.4 2.8 2.8 2.8
Single 1.5 hour 130 A193 2.4 2.4 2.2 2.7 2.7 2.3
span slab 145 A252 2.3 2.3 2.2 2.6 2.6 2.2
& deck 2 hour 200 A393 2.0 2.0 2.0 2.3 2.3 2.3
240 A393 1.9 1.9 1.9 2.2 2.2 2.2
1 hour 120 A193 2.7 2.7 2.7 3.2 3.2 3.1
Double 1.5 hour 130 A193 2.6 2.6 2.6 3.1 3.1 2.7
span slab 145 A252 2.5 2.5 2.5 2.9 2.9 2.6
& deck 2 hour 200 A393 2.2 2.2 2.2 2.5 2.5 2.5
240 A393 2.0 2.0 2.0 2.3 2.3 2.3
120 A393 3.6 3.2 2.5 3.8 3.4 2.71 hour 130 A393 3.6 3.3 2.6 3.9 3.5 2.7
145 2xA252 3.5 3.2 2.5 3.8 3.4 2.7
Single 130 A393 3.3 3.0 2.3 3.5 3.1 2.5
span slab1.5 hour
145 2xA252 3.2 2.9 2.3 3.3 3.0 2.4
145 2xA252 2.9 2.6 2.1 3.0 2.7 2.2
2 hour 200 2xA393 2.7 2.5 2.0 2.8 2.5 2.1
240 2xA393 2.6 2.4 2.0 2.7 2.5 2.1
120 A393 4.4 4.0 2.9 4.6 4.1 3.2
1 hour 130 A393 4.6 4.1 3.1 4.8 4.3 3.4
145 2xA252 4.7 4.3 3.4 4.9 4.5 3.5
Double 130 A393 3.9 3.5 2.8 4.1 3.6 2.9
span slab1.5 hour
145 2xA252 4.0 3.6 2.9 4.1 3.7 3.0
145 2xA252 3.5 3.2 2.5 3.6 3.3 2.6
2 hour 200 2xA393 4.0 3.8 3.1 4.2 3.8 3.1
240 2xA393 3.7 3.7 3.6 4.5 4.4 3.6
Please refer to span parameters on page 12.
Notemporaryprops
1lineoftemporaryprops
ComFlor 46 lightweight concrete using mesh(BS5950)
ComFlor 46 span table
Props Span Fire Slab Mesh Total applied load (kN/m2)
period Depth 3.5 5.0 10.0 3.5 5.0 10.0(mm) 0.9 1.2
1 hour 110 A142 2.7 2.7 2.2 3.1 3.1 2.4
Single 1.5 hour 120 A193 2.7 2.7 2.2 3.0 2.7 2.3
span slab 130 A193 2.6 2.6 2.0 3.0 2.7 2.1
& deck 2 hour 200 A393 2.3 2.3 2.3 2.6 2.6 2.6
240 A393 2.1 2.1 2.1 2.4 2.4 2.4
1 hour 110 A142 3.1 3.1 2.7 3.5 3.5 2.8Double 1.5 hour 120 A193 3.0 3.0 2.9 3.4 3.4 2.9
span slab 130 A193 2.9 2.9 2.7 3.4 3.4 2.7
& deck 2 hour 200 A393 2.4 2.4 2.4 2.8 2.8 2.8
240 A393 2.3 2.3 2.3 2.6 2.6 2.6
110 A393 3.7 3.3 2.5 3.9 3.5 2.7
1 hour 120 A393 3.8 3.3 2.6 4.0 3.6 2.7
130 A393 3.8 3.4 2.6 4.1 3.6 2.8
Single 120 A393 3.4 3.1 2.4 3.6 3.2 2.5
span slab1.5 hour
130 A393 3.5 3.1 2.4 3.6 3.2 2.5
130 A393 3.2 2.8 2.2 3.3 2.9 2.3
2 hour 200 2xA393 2.9 2.6 2.1 2.9 2.7 2.1
240 2xA393 2.8 2.6 2.1 2.9 2.7 2.2
110 A393 4.2 3.8 2.9 4.4 4.0 3.1
1 hour 120 A393 4.5 4.1 3.1 4.7 4.3 3.3
130 A393 4.8 4.4 3.3 4.9 4.6 3.5
Double 120 A393 4.5 4.0 3.1 4.7 4.2 3.2span slab
1.5 hour130 A393 4.8 4.2 3.3 4.9 4.4 3.4
130 A393 4.4 3.9 3.0 4.5 4.0 3.1
2 hour 200 2xA393 4.5 4.5 4.1 5.5 5.2 4.1
240 2xA393 4.1 4.1 4.1 5.1 5.1 4.8
Please refer to span parameters on page 12.
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ComFlor span reference tables
8/10/2019 ComFlor Load Span
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ComFlor 51+ normal weight concrete using mesh(BS5950)
ComFlor 51+ span table
Props Span Fire Slab Mesh Total applied load (kN/m2)
period Depth 3.5 5.0 10.0 3.5 5.0 10.0 3.5 5.0 10.0 3.5 5.0 10.0(mm) 0.9 1.0 1.1 1.2
1 hour 101 A142 2.8 2.8 2.5 2.9 2.9 2.6 3.1 3.1 2.7 3.2 3.2 2.8
Single 1.5 hour 110 A142 2.7 2.7 2.2 2.9 2.9 2.3 3.0 3.0 2.4 3.1 3.0 2.4
span slab 125 A193 2.6 2.5 2.0 2.7 2.5 2.0 2.8 2.6 2.0 2.9 2.6 2.1
& deck 2 hour 200 A393 2.2 2.2 2.2 2.4 2.4 2.4 2.5 2.5 2.5 2.6 2.6 2.6
240 A393 2.1 2.1 2.1 2.2 2.2 2.2 2.3 2.2 2.3 2.4 2.4 2.4
1 hour 101 A142 3.2 3.2 2.6 3.4 3.4 2.7 3.5 3.5 2.8 3.7 3.7 3.0
Double 1.5 hour 110 A142 3.2 3.2 2.4 3.3 3.3 2.6 3.5 3.3 2.7 3.6 3.4 2.7
span slab 125 A193 3.1 3.0 2.3 3.2 3.1 2.4 3.3 3.1 2.5 3.4 3.2 2.5
& deck 2 hour 200 A393 2.6 2.6 2.6 2.8 2.8 2.8 2.9 2.9 2.9 3.0 3.0 3.0
240 A393 2.4 2.4 2.4 2.6 2.6 2.6 2.7 2.7 2.7 2.8 2.8 2.8
101 A252 3.6 3.1 2.4 3.8 3.3 2.5 3.9 3.5 2.7 4.0 3.6 2.81 hour 110 A252 3.7 3.3 2.5 3.8 3.4 2.6 4.0 3.5 2.8 4.1 3.7 2.9
125 A393 3.8 3.4 2.6 4.1 3.6 2.8 4.3 3.8 2.9 4.4 4.0 3.1
Single 110 A252 3.2 2.9 2.2 3.3 3.0 2.3 3.4 3.0 2.4 3.5 3.1 2.4
span slab1.5 hour
125 A393 3.5 3.2 2.5 3.6 3.3 2.6 3.7 3.3 2.6 3.8 3.4 2.7
125 A393 3.0 2.7 2.1 3.1 2.8 2.2 3.1 2.8 2.2 3.1 2.8 2.2
2 hour 200 2xA393 3.0 2.8 2.3 3.1 2.8 2.3 3.2 2.9 2.4 3.2 3.0 2.4
240 2xA393 3.0 2.8 2.3 3.1 2.9 2.4 3.2 3.0 2.4 3.3 3.0 2.5
101 A252 3.6 3.1 2.4 3.8 3.3 2.5 3.9 3.5 2.7 4.1 3.6 2.8
1 hour 110 A252 3.7 3.3 2.5 3.9 3.4 2.6 4.1 3.6 2.8 4.2 3.8 2.9
125 A393 3.8 3.4 2.6 4.1 3.6 2.8 4.3 3.8 2.9 4.4 4.0 3.1
Double 110 A252 3.7 3.3 2.5 3.9 3.4 2.6 4.0 3.5 2.8 4.0 3.6 2.8
span slab1.5 hour
125 A393 3.8 3.4 2.6 4.1 3.6 2.8 4.3 3.8 2.9 4.4 4.0 3.1
125 A393 3.6 3.2 2.5 3.6 3.3 2.6 3.7 3.3 2.6 3.7 3.3 2.6
2 hour 200 2xA393 4.4 4.0 3.2 4.7 4.3 3.4 4.8 4.4 3.6 4.8 4.4 3.6
240 2xA393 4.6 4.3 3.5 4.9 4.5 3.7 5.2 4.7 3.8 5.4 5.0 4.0
Please refer to span parameters on page 12.
Notemporaryprops
1lineoftemporaryprops
ComFlor 51+ lightweight concrete using mesh(BS5950)
ComFlor 51+ span table
Props Span Fire Slab Mesh Total applied load (kN/m2)
period Depth 3.5 5.0 10.0 3.5 5.0 10.0 3.5 5.0 10.0 3.5 5.0 10.0(mm) 0.9 1.0 1.1 1.2
1 hour 101 A142 3.0 3.0 2.6 3.1 3.1 2.7 3.3 3.3 2.8 3.4 3.4 2.9
Single 1.5 hour 105 A142 2.9 2.9 2.2 3.1 3.0 2.3 3.2 3.1 2.4 3.4 3.1 2.5
span slab 115 A142 2.7 2.4 1.8 2.7 2.4 1.9 2.8 2.5 1.9 2.9 2.5 2.0
& deck 2 hour 200 A393 2.4 2.4 2.4 2.6 2.6 2.6 2.7 2.7 2.6 2.9 2.9 2.7
240 A393 2.3 2.3 2.3 2.4 2.4 2.4 2.5 2.5 2.5 2.7 2.7 2.7
1 hour 101 A142 3.4 3.4 2.6 3.6 3.6 2.7 3.8 3.8 2.9 3.9 3.9 3.0Double 1.5 hour 105 A142 3.4 3.3 2.6 3.6 3.4 2.6 3.7 3.5 2.7 3.9 3.6 2.7
span slab 115 A142 3.3 2.9 2.2 3.3 3.0 2.3 3.4 3.0 2.3 3.4 3.0 2.4
& deck 2 hour 200 A393 2.8 2.8 2.8 3.0 3.0 3.0 3.2 3.2 3.2 3.3 3.3 3.3
240 A393 2.6 2.6 2.6 2.8 2.8 2.8 3.0 3.0 3.0 3.1 3.1 3.1
101 A252 3.7 3.2 2.4 3.9 3.4 2.6 4.0 3.6 2.7 4.2 3.7 2.8
1 hour 105 A252 3.8 3.3 2.5 4.0 3.5 2.6 4.1 3.6 2.8 4.2 3.7 2.9
115 A393 3.9 3.4 2.6 4.1 3.6 2.7 4.3 3.8 2.9 4.5 4.0 3.0
Single 105 A252 3.3 2.9 2.3 3.5 3.0 2.3 3.5 3.1 2.4 3.6 3.2 2.5
span slab1.5 hour
115 A393 3.7 3.3 2.5 3.8 3.4 2.6 3.9 3.4 2.6 3.9 3.5 2.7
115 A393 3.2 2.8 2.2 3.2 2.9 2.2 3.3 2.9 2.2 3.3 2.9 2.3
2 hour 200 2xA393 3.2 2.9 2.4 3.3 3.0 2.4 3.4 3.1 2.5 3.4 3.1 2.5
240 2xA393 3.2 3.0 2.4 3.3 3.1 2.5 3.4 3.1 2.5 3.5 3.2 2.6
101 A252 3.7 3.2 2.4 3.9 3.4 2.6 4.1 3.6 2.7 4.3 3.8 2.8
1 hour 105 A252 3.8 3.3 2.5 4.0 3.5 2.6 4.2 3.7 2.8 4.4 3.8 2.9
115 A393 3.9 3.4 2.6 4.1 3.6 2.7 4.3 3.8 2.9 4.5 4.0 3.0
Double 105 A252 3.8 3.3 2.5 4.0 3.5 2.6 4.2 3.7 2.8 4.3 3.8 2.9span slab
1.5 hour115 A393 3.9 3.4 2.6 4.1 3.6 2.7 4.3 3.8 2.9 4.5 4.0 3.0
115 A393 3.9 3.4 2.6 4.1 3.6 2.7 4.3 3.8 2.9 4.4 3.9 3.0
2 hour 200 2xA393 4.7 4.3 3.3 5.0 4.5 3.5 5.3 4.7 3.7 5.5 5.0 3.9
240 2xA393 5.0 4.5 3.6 5.3 4.8 3.8 5.5 5.0 4.0 5.8 5.3 4.2
Please refer to span parameters on page 12.
Notemp
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1lineoftemporaryprops
ComFlor Span tables
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ComFlor Span tables
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ComFlor 60 normal weight concrete using mesh (unpropped)(Eurocode)
Single span deck continuous slab (m) EC standard method Beam Width 150mm
Props Slab Fire 0.2% Total applied load (kN/m2)
depth period mesh 5.0 7.5 10.0 5.0 7.5 10.0 5.0 7.5 10.0
(mm) 0.9mm 1.0mm 1.2mm130 1 hour A142 3.39 (10) 3.39 (10) 3.39 (12) 3.57 (10) 3.57 (12) 3.57 (12) 3.82 (10) 3.82 (12) 3.81 (16)
140 1 hour A193 3.30 (8) 3.30 (10) 3.30 (12) 3.48 (10) 3.48 (10) 3.48 (12) 3.73 (10) 3.72 (12) 3.72 (12)
150 1 hour A193 3.22 (8) 3.22 (10) 3.22 (12) 3.40 (10) 3.40 (10) 3.40 (12) 3.64 (10) 3.64 (10) 3.64 (12)
160 1 hour A252 3.15 (8) 3.15 (10) 3.15 (10) 3.33 (8) 3.33 (10) 3.32 (12) 3.56 (10) 3.56 (10) 3.56 (12)
170 1 hour A252 3.08 (8) 3.08 (8) 3.08 (10) 3.26 (8) 3.26 (10) 3.26 (10) 3.50 (8) 3.49 (10) 3.49 (12)
180 1 hour A252 3.02 (8) 3.02 (8) 3.01 (10) 3.20 (8) 3.20 (10) 3.20 (10) 3.43 (8) 3.43 (10) 3.43 (12)
190 1 hour A393 2.95 (8) 2.95 (8) 2.95 (10) 3.14 (8) 3.14 (8) 3.14 (10) 3.37 (8) 3.36 (10) 3.36 (10)
200 1 hour A393 2.90 (8) 2.90 (8) 2.89 (10) 3.09 (8) 3.09 (8) 3.09 (10) 3.31 (8) 3.31 (10) 3.31 (10)
140 1.5 hour A193 3.30 (12) 3.29 (16) 3.29 (16) 3.48 (12) 3.47 (16) 3.47 (16) 3.72 (12) 3.71 (16) 3.71 (16)
150 1.5 hour A193 3.22 (12) 3.22 (12) 3.21 (16) 3.40 (12) 3.39 (16) 3.39 (16) 3.64 (12) 3.63 (16) 3.63 (16)
160 1.5 hour A252 3.15 (10) 3.14 (12) 3.14 (16) 3.32 (12) 3.32 (12) 3.32 (16) 3.56 (12) 3.55 (16) 3.55 (16)
170 1.5 hour A252 3.08 (10) 3.08 (12) 3.07 (16) 3.26 (10) 3.26 (12) 3.25 (16) 3.49 (12) 3.48 (16) 3.48 (16)
180 1.5 hour A252 3.01 (10) 3.01 (12) 3.01 (12) 3.20 (10) 3.20 (12) 3.19 (16) 3.43 (12) 3.43 (12) 3.42 (16)
190 1.5 hour A393 2.95 (10) 2.95 (10) 2.95 (12) 3.14 (10) 3.14 (12) 3.13 (12) 3.36 (10) 3.36 (12) 3.36 (16)
200 1.5 hour A393 2.89 (10) 2.89 (10) 2.89 (12) 3.09 (10) 3.08 (12) 3.08 (12) 3.31 (10) 3.31 (12) 3.30 (16)
150 2 hour A193 3.21 (16) 3.20 (20) 3.20 (20) 3.39 (16) 3.38 (20) 3.37 (25) 3.62 (20) 3.62 (20) 3.60 (25)
160 2 hour A252 3.14 (16) 3.13 (20) 3.13 (20) 3.32 (16) 3.31 (20) 3.29 (25) 3.54 (20) 3.54 (20) 3.53 (25)
170 2 hour A252 3.07 (16) 3.07 (16) 3.06 (20) 3.25 (16) 3.24 (20) 3.24 (20) 3.48 (16) 3.48 (20) 3.46 (25)
180 2 hour A252 3.01 (16) 3.01 (16) 3.00 (20) 3.19 (16) 3.18 (20) 3.18 (20) 3.42 (16) 3.41 (20) 3.41 (20)
190 2 hour A393 2.94 (16) 2.94 (16) 2.94 (20) 3.13 (16) 3.13 (16) 3.12 (20) 3.36 (16) 3.35 (20) 3.35 (20)
200 2 hour A393 2.89 (16) 2.89 (16) 2.88 (20) 3.08 (16) 3.08 (16) 3.07 (20) 3.30 (16) 3.29 (20) 3.29 (20)
Double span (m) EC standard method Beam Width 150mm
130 1 hour A142 3.43 (8) 3.43 (10) 3.42 (12) 3.83 (10) 3.83 (12) 3.82 (16) 4.49 (12) 4.48 (16) 4.00 (16)
140 1 hour A193 3.29 (8) 3.28 (10) 3.28 (12) 3.76 (10) 3.76 (10) 3.75 (12) 4.35 (10) 4.34 (12) 4.25 (16)
150 1 hour A193 3.16 (8) 3.16 (8) 3.16 (10) 3.62 (8) 3.62 (10) 3.61 (12) 4.21 (10) 4.21 (12) 4.20 (16)
160 1 hour A252 3.04 (8) 3.04 (8) 3.04 (8) 3.48 (8) 3.48 (8) 3.48 (10) 4.09 (8) 4.08 (10) 4.08 (12)
170 1 hour A252 2.94 (8) 2.94 (8) 2.94 (8) 3.36 (8) 3.36 (8) 3.36 (10) 3.99 (8) 3.98 (10) 3.98 (12)
180 1 hour A252 2.84 (8) 2.84 (8) 2.84 (8) 3.25 (8) 3.25 (8) 3.25 (8) 3.98 (8) 3.98 (10) 3.97 (12)
190 1 hour A393 2.74 (8) 2.74 (8) 2.74 (8) 3.14 (8) 3.14 (8) 3.14 (8) 3.88 (8) 3.88 (8) 3.88 (10)
200 1 hour A393 2.66 (8) 2.66 (8) 2.66 (8) 3.05 (8) 3.05 (8) 3.05 (8) 3.77 (8) 3.77 (8) 3.77 (8)
140 1.5 hour A193 3.28 (12) 3.26 (12) 3.26 (16) 3.75 (12) 3.74 (16) 3.72 (20) 4.33 (16) 4.33 (16) 4.24 (20)
150 1.5 hour A193 3.16 (8) 3.15 (12) 3.14 (16) 3.61 (12) 3.59 (16) 3.59 (16) 4.20 (16) 4.20 (16) 4.18 (20)
160 1.5 hour A252 3.04 (8) 3.04 (10) 3.02 (12) 3.48 (10) 3.47 (12) 3.46 (16) 4.07 (16) 4.07 (16) 4.05 (20)
170 1.5 hour A252 2.94 (8) 2.94 (8) 2.94 (10) 3.36 (8) 3.36 (10) 3.34 (16) 3.98 (12) 3.97 (16) 3.97 (16)
180 1.5 hour A252 2.84 (8) 2.84 (8) 2.84 (10) 3.25 (8) 3.25 (10) 3.25 (12) 3.98 (10) 3.97 (16) 3.97 (16)
190 1.5 hour A393 2.74 (8) 2.74 (8) 2.74 (8) 3.14 (8) 3.14 (8) 3.14 (10) 3.88 (8) 3.88 (10) 3.86 (16)
200 1.5 hour A393 2.66 (8) 2.66 (8) 2.66 (8) 3.05 (8) 3.05 (8) 3.05 (8) 3.77 (8) 3.77 (10) 3.76 (12)
150 2 hour A193 3.14 (12) 3.13 (20) 3.12 (20) 3.58 (20) 3.58 (20) 3.55 (25) 4.18 (20) 4.15 (25) 4.10 (32)
160 2 hour A252 3.04 (10) 3.03 (16) 3.01 (20) 3.46 (16) 3.44 (20) 3.42 (25) 4.05 (20) 4.02 (25) 4.02 (25)
170 2 hour A252 2.93 (10) 2.93 (12) 2.92 (16) 3.35 (12) 3.34 (16) 3.33 (20) 3.97 (20) 3.97 (20) 3.95 (25)
180 2 hour A252 2.84 (8) 2.84 (10) 2.83 (16) 3.25 (10) 3.24 (16) 3.22 (20) 3.97 (16) 3.96 (20) 3.95 (25)
190 2 hour A393 2.74 (8) 2.74 (8) 2.74 (10) 3.14 (8) 3.14 (12) 3.13 (16) 3.86 (16) 3.86 (16) 3.82 (25)
200 2 hour A393 2.66 (8) 2.66 (8) 2.66 (8) 3.05 (8) 3.05 (10) 3.05 (12) 3.76 (12) 3.75 (16) 3.74 (20)
Multi span (m) EC standard method Beam Width 150mm
130 1 hour A142 3.51 (10) 3.51 (10) 3.51 (12) 3.85 (10) 3.84 (12) 3.83 (16) 4.49 (12) 4.48 (16) 3.94 (16)
140 1 hour A193 3.41 (8) 3.41 (10) 3.40 (12) 3.71 (10) 3.71 (10) 3.71 (12) 4.40 (10) 4.40 (12) 4.23 (16)
150 1 hour A193 3.28 (8) 3.28 (8) 3.28 (10) 3.60 (8) 3.60 (10) 3.59 (12) 4.28 (10) 4.28 (12) 4.27 (16)
160 1 hour A252 3.16 (8) 3.16 (8) 3.16 (8) 3.59 (8) 3.59 (8) 3.58 (12) 4.16 (8) 4.16 (10) 4.15 (12)
170 1 hour A252 3.05 (8) 3.05 (8) 3.05 (8) 3.49 (8) 3.49 (8) 3.49 (10) 4.05 (8) 4.04 (10) 4.04 (12)
180 1 hour A252 2.95 (8) 2.95 (8) 2.95 (8) 3.38 (8) 3.38 (8) 3.38 (8) 3.94 (8) 3.94(10) 3.93 (12)
190 1 hour A393 2.85 (8) 2.85 (8) 2.85 (8) 3.26 (8) 3.26 (8) 3.26 (8) 3.83 (8) 3.83 (8) 3.83 (10)
200 1 hour A393 2.77 (8) 2.77 (8) 2.77 (8) 3.17 (8) 3.17 (8) 3.17 (8) 3.75 (8) 3.75 (8) 3.75 (8)
140 1.5 hour A193 3.40 (12) 3.39 (16) 3.39 (16) 3.71 (12) 3.69 (16) 3.69 (16) 4.39 (16) 4.39 (16) 4.22 (20)
150 1.5 hour A193 3.28 (10) 3.27 (12) 3.26 (16) 3.59 (12) 3.59 (16) 3.59 (16) 4.27 (16) 4.27 (16) 4.25 (20)
160 1.5 hour A252 3.16 (8) 3.15 (10) 3.14 (16) 3.58 (10) 3.57 (16) 3.57 (16) 4.14 (16) 4.14 (16) 4.13 (20)
170 1.5 hour A252 3.05 (8) 3.05 (8) 3.05 (10) 3.49 (8) 3.49 (10) 3.47 (16) 4.04 (12) 4.03 (16) 4.03 (16)
180 1.5 hour A252 2.95 (8) 2.95 (8) 2.95 (10) 3.38 (8) 3.37 (10) 3.36 (16) 3.94 (10) 3.93 (16) 3.93 (16)
190 1.5 hour A393 2.85 (8) 2.85 (8) 2.85 (8) 3.26 (8) 3.26 (8) 3.26 (12) 3.83 (8) 3.83 (10) 3.83 (12)
200 1.5 hour A393 2.77 (8) 2.77 (8) 2.77 (8) 3.17 (8) 3.17 (8) 3.17 (10) 3.75 (8) 3.74 (10) 3.74 (12)
150 2 hour A193 3.26 (16) 3.25 (20) 3.22 (25) 3.58 (20) 3.58 (20) 3.56 (25) 4.25 (20) 4.23 (25) 4.19 (32)
160 2 hour A252 3.15 (12) 3.14 (16) 3.13 (20) 3.57 (16) 3.57 (20) 3.55 (25) 4.13 (20) 4.11 (25) 4.11 (25)170 2 hour A252 3.05 (10) 3.04 (12) 3.02 (20) 3.48 (12) 3.46 (20) 3.46 (20) 4.02 (20) 4.02 (20) 4.00 (25)
180 2 hour A252 2.95 (8) 2.94 (12) 2.93 (16) 3.37 (12) 3.36 (16) 3.35 (20) 3.93 (16) 3.91 (20) 3.89 (25)
190 2 hour A393 2.85 (8) 2.85 (8) 2.84 (12) 3.26 (10) 3.26 (12) 3.25 (16) 3.83 (12) 3.82 (16) 3.79 (25)
200 2 hour A393 2.77 (8) 2.77 (8) 2.76 (10) 3.17 (8) 3.17 (10) 3.15 (16) 3.74 (12) 3.74 (16) 3.73 (20)
Please refer to span parameters on page 12. The figures in brackets are rebar sizes, when required.
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ComFlor 60 normal weight concrete using mesh (unpropped)(Eurocode)
Single span deck continuous slab (m) UK NCCI method Beam Width 150mm
Props Slab Fire 0.2% Total applied load (kN/m2)
depth period mesh* 5.0 7.5 10.0 5.0 7.5 10.0 5.0 7.5 10.0
(mm) 0.9mm 1.0mm 1.2mm130 1 hour A142 3.40 (A142) 3.39 (A252) 3.38 (2xA193) 3.58 (A142) 3.56 (A393) 3.56 (2xA252) 3.83 (A193) 3.81 (A393) 3.80 (2xA252)
140 1 hour A193 3.31 (A193) 3.30 (A193) 3.30 (A393) 3.49 (A193) 3.48 (A252) 3.48 (A393) 3.73 (A193) 3.73 (A252) 3.71 (2xA252)
150 1 hour A193 3.23 (A193) 3.23 (A193) 3.22 (A393) 3.41 (A193) 3.41 (A193) 3.40 (A393) 3.65 (A193) 3.65 (A252) 3.64 (2xA193)
160 1 hour A252 3.15 (A252) 3.15 (A252) 3.15 (A252) 3.33 (A252) 3.33 (A252) 3.33 (A393) 3.57 (A252) 3.57 (A252) 3.56 (A393)
170 1 hour A252 3.08 (A252) 3.08 (A252) 3.08 (A252) 3.27 (A252) 3.27 (A252) 3.27 (A252) 3.50 (A252) 3.50 (A252) 3.49 (A393)
180 1 hour A252 3.02 (A252) 3.02 (A252) 3.02 (A252) 3.21 (A252) 3.21 (A252) 3.21 (A252) 3.44 (A252) 3.44 (A252) 3.44 (A252)
190 1 hour A393 2.95 (A393) 2.95 (A393) 2.95 (A393) 3.14 (A393) 3.14 (A393) 3.14 (A393) 3.37 (A393) 3.37 (A393) 3.37 (A393)
200 1 hour A393 2.90 (A393) 2.90 (A393) 2.90 (A393) 3.09 (A393) 3.09 (A393) 3.09 (A393) 3.31 (A393) 3.31 (A393) 3.31 (A393)
140 1.5 hour A193 3.31 (A193) 3.30 (A393) 3.29 (2xA252) 3.48 (A252) 3.48 (A393) 3.47 (2XA252) 3.73 (A252) 3.72 (A393) 3.70 (2xA393)
150 1.5 hour A193 3.23 (A193) 3.22 (A393) 3.21 (2xA252) 3.41 (A193) 3.40 (A393) 3.39 (2xA252) 3.65 (A252) 3.64 (A393) 3.63 (2xA252)
160 1.5 hour A252 3.15 (A252) 3.15 (A252) 3.15 (A393) 3.33 (A252) 3.33 (A252) 3.32 (2xA252) 3.57 (A252) 3.56 (A393) 3.56 (2xA252)
170 1.5 hour A252 3.08 (A252) 3.08 (A252) 3.08 (A393) 3.27 (A252) 3.27 (A252) 3.26 (A393) 3.50 (A252) 3.50 (A252) 3.49 (2xA252)
180 1.5 hour A252 3.02 (A252) 3.02 (A252) 3.02 (A252) 3.21 (A252) 3.21 (A252) 3.21 (A252) 3.44 (A252) 3.44 (A252) 3.43 (A393)
190 1.5 hour A393 2.95 (A393) 2.95 (A393) 2.95 (A393) 3.14 (A393) 3.14 (A393) 3.14 (A393) 3.37 (A393) 3.37 (A393) 3.37 (A393)
200 1.5 hour A393 2.90 (A393) 2.90 (A393) 2.90 (A393) 3.09 (A393) 3.09 (A393) 3.09 (A393) 3.31 (A393) 3.31 (A393) 3.31 (A393)
150 2 hour A193 3.23 (A252) 3.22 (A393) 3.21 (2xA252) 3.41 (A252) 3.40 (A393) 3.39 (2xA252) 3.64 (A393) 3.40 (2xA193) 3.62 (2xA393)
160 2 hour A252 3.15 (A252) 3.15 (A393) 3.14 (2xA252) 3.33 (A252) 3.33 (A393) 3.32 (2xA252) 3.57 (A252) 3.56 (A393) 3.54 (2xA393)
170 2 hour A252 3.08 (A252) 3.08 (A252) 3.08 (2xA193) 3.27 (A252) 3.27 (A252) 3.26 (2xA252) 3.50 (A252) 3.49 (A393) 3.49 (2xA252)
180 2 hour A252 3.02 (A252) 3.02 (A252) 3.02 (A252) 3.21 (A252) 3.21 (A252) 3.20 (A393) 3.44 (A252) 3.44 (A252) 3.42 (2xA252)
190 2 hour A393 2.95 (A393) 2.95 (A393) 2.95 (A393) 3.14 (A393) 3.14 (A393) 3.14 (A393) 3.37 (A393) 3.37 (A393) 3.37 (A393)
200 2 hour A393 2.90 (A393) 2.90 (A393) 2.90 (A393) 3.09 (A393) 3.09 (A393) 3.09 (A393) 3.31 (A393) 3.31 (A393) 3.31 (A393)
Double span (m) UK NCCI method Beam Width 150mm
130 1 hour A142 3.43 (A252) 3.42 (A393) 3.28 (2xA252) 3.83 (A393) 3.82 (2xA252) 3.29 (2xA252) 4.49 (A393) 4.24 (2xA252) 3.33 (2xA252)
140 1 hour A193 3.29 (A193) 3.29 (A252) 3.27 (2xA252) 3.76 (A252) 3.75 (2xA193) 3.71 (2xA393) 4.34 (A393) 4.33 (2xA252) 4.24 (2xA393)
150 1 hour A193 3.17 (A193) 3.17 (A193) 3.15 (A393) 3.63 (A193) 3.61 (A393) 3.57 (2xA393) 4.21 (A393) 4.20 (2xA252) 4.17 (2xA393)
160 1 hour A252 3.05 (A252) 3.05 (A252) 3.05 (A252) 3.49 (A252) 3.49 (A252) 3.48 (A393) 4.09 (A252) 4.08 (A393) 4.05 (2xA393)
170 1 hour A252 2.94 (A252) 2.94 (A252) 2.94 (A252) 3.37 (A252) 3.37 (A252) 3.36 (A393) 3.99 (A252) 3.98 (A393) 3.97 (2xA393)
180 1 hour A252 2.85 (A252) 2.85 (A252) 2.85 (A252) 3.26 (A252) 3.26 (A252) 3.26 (A252) 3.98 (A252) 3.98 (A252) 3.98 (A393)
190 1 hour A393 2.75 (A393) 2.75 (A393) 2.75 (A393) 3.15 (A393) 3.15 (A393) 3.15 (A393) 3.89 (A393) 3.89 (A393) 3.89 (A393)
200 1 hour A393 2.67 (A393) 2.67 (A393) 2.67 (A393) 3.06 (A393) 3.06 (A393) 3.06 (A393) 3.78 (A393) 3.78 (A393) 3.78 (A393)
140 1.5 hour A193 3.28 (A393) 3.28 (2xA193) 3.24 (2xA393) 3.75 (A393) 3.74 (2xA252) 3.71 (2xA393) 4.33 (2xA252) 4.30 (2xA393) 3.71 (2xA393)
150 1.5 hour A193 3.17 (A193) 3.15 (A393) 3.12 (2xA252) 3.61 (A393) 3.60 (2xA252) 3.57 (2xA393) 4.21 (2xA193) 4.17 (2xA393) 3.86 (2xA393)
160 1.5 hour A252 3.05 (A252) 3.05 (A252) 3.03 (2xA252) 3.49 (A252) 3.48 (2xA193) 3.44 (2xA393) 4.08 (A393) 4.07 (2xA252) 4.05 (2xA393)
170 1.5 hour A252 2.94 (A252) 2.94 (A252) 2.94 (A252) 3.37 (A252) 3.37 (A252) 3.33 (2xA393) 3.98 (A393) 3.98 (2xA252) 3.97 (2xA393)
180 1.5 hour A252 2.85 (A252) 2.85 (A252) 2.85 (A252) 3.26 (A252) 3.26 (A252) 3.25 (A393) 3.98 (A252) 3.98 (A393) 3.96 (2xA393)
190 1.5 hour A393 2.75 (A393) 2.75 (A393) 2.75 (A393) 3.15 (A393) 3.15 (A393) 3.15 (A393) 3.89 (A393) 3.89 (A393) 3.86 (2xA393)
200 1.5 hour A393 2.67 (A393) 2.67 (A393) 2.67 (A393) 3.06 (A393) 3.06 (A393) 3.06 (A393) 3.78 (A393) 3.78 (A393) 3.78 (A393)
150 2 hour A193 3.15 (A393) 3.15 (2xA193) 3.12 (2xA393) 3.61 (A393) 3.60 (2xA252) 3.57 (2xA393) 4.20 (2xA252) 4.17 (2xA393) 3.57 (2xA393)
160 2 hour A252 3.05 (A252) 3.05 (A252) 3.02 (2xA252) 3.49 (A252) 3.47 (2xA252) 3.44 (2xA393) 4.07 (2xA252) 4.05 (2xA393) 3.74 (2xA393)
170 2 hour A252 2.94 (A252) 2.94 (A252) 2.93 (A393) 3.37 (A252) 3.37 (A252) 3.33 (2xA393) 3.98 (2xA193) 3.97 (2xA393) 3.87 (2xA393)
180 2 hour A252 2.85 (A252) 2.85 (A252) 2.85 (A252) 3.26 (A252) 3.26 (A252) 3.25 (A393) 3.98 (A252) 3.96 (2xA393) 3.96 (2xA393)
190 2 hour A393 2.75 (A393) 2.75 (A393) 2.75 (A393) 3.15 (A393) 3.15 (A393) 3.15 (A393) 3.89 (A393) 3.89 (A393) 3.86 (2xA393)
200 2 hour A393 2.67 (A393) 2.67 (A393) 2.67 (A393) 3.06 (A393) 3.06 (A393) 3.06 (A393) 3.78 (A393) 3.78 (A393) 3.75 (2xA393)
Multi span (m) UK NCCI method Beam Width 150mm
130 1 hour A142 3.52 (A252) 3.51 (A393) 3.37 (2xA252) 3.85 (A252) 3.84 (2xA193) 3.37 (2xA252) 4.48 (A393) 4.37 (2xA252) 3.39 (2xA252)
140 1 hour A193 3.42 (A193) 3.40 (A393) 3.39 (2xA252) 3.72 (A193) 3.70 (A393) 3.67 (2xA393) 4.40 (A393) 4.39 (2xA252) 4.21 (2xA393)
150 1 hour A193 3.29 (A193) 3.28 (A252) 3.27 (A393) 3.60 (A193) 3.59 (A393) 3.59 (2xA252) 4.29 (A252) 4.28 (2xA193) 4.25 (2xA393)
160 1 hour A252 3.16 (A252) 3.16 (A252) 3.16 (A252) 3.59 (A252) 3.59 (A252) 3.58 (A393) 4.17 (A252) 4.16 (A393) 4.13 (2xA393)
170 1 hour A252 3.05 (A252) 3.05 (A252) 3.05 (A252) 3.50 (A252) 3.50 (A252) 3.49 (A393) 4.05 (A252) 4.04 (A393) 4.04 (2xA252)
180 1 hour A252 2.95 (A252) 2.95 (A252) 2.95 (A252) 3.38 (A252) 3.38 (A252) 3.38 (A252) 3.95 (A252) 3.95 (A252) 3.94 (A393)
190 1 hour A393 2.85 (A393) 2.85 (A393) 2.85 (A393) 3.27 (A393) 3.27 (A393) 3.27 (A393) 3.84 (A393) 3.84 (A393) 3.84 (A393)
200 1 hour A393 2.77 (A393) 2.77 (A393) 2.77 (A393) 3.17 (A393) 3.17 (A393) 3.17 (A393) 3.75 (A393) 3.75 (A393) 3.75 (A393)
140 1.5 hour A193 3.40 (A393) 3.39 (2xA252) 3.37 (2xA393) 3.70 (A393) 3.70 (2xA252) 3.67 (2xA393) 4.39 (2xA252) 4.37 (2xA393) 4.03 (2xA393)
150 1.5 hour A193 3.29 (A193) 3.27 (A393) 3.24 (2xA393) 3.59 (A393) 3.59 (2xA252) 3.57 (2xA393) 4.28 (A393) 4.25 (2xA393) 4.25 (2xA393)
160 1.5 hour A252 3.16 (A252) 3.16 (A252) 3.14 (2xA252) 3.59 (A252) 3.58 (2xA193) 3.57 (2xA393) 4.16 (A393) 4.15 (2xA252) 4.13 (2xA393)
170 1.5 hour A252 3.05 (A252) 3.05 (A252) 3.04 (A393) 3.50 (A252) 3.50 (A252) 3.46 (2xA393) 4.04 (A393) 4.04 (2xA252) 4.02 (2xA393)
180 1.5 hour A252 2.95 (A252) 2.95 (A252) 2.95 (A252) 3.38 (A252) 3.38 (A252) 3.37 (A393) 3.95 (A252) 3.73 (A393) 3.91 (2xA393)
190 1.5 hour A393 2.85 (A393) 2.85 (A393) 2.85 (A393) 3.27 (A393) 3.27 (A393) 3.27 (A393) 3.84 (A393) 3.84 (A393) 3.84 (A393)
200 1.5 hour A393 2.77 (A393) 2.77 (A393) 2.77 (A393) 3.17 (A393) 3.17 (A393) 3.17 (A393) 3.75 (A393) 3.75 (A393) 3.75 (A393)
150 2 hour A193 3.27 (A393) 3.26 (2xA252) 3.24 (2xA393) 3.59 (A393) 3.59 (2xA252) 3.57 (2xA393) 4.27 (2xA252) 4.25 (2xA393) 3.81 (2xA393)
160 2 hour A252 3.16 (A252) 3.15 (A393) 3.12 (2xA393) 3.58 (A393) 3.58 (2xA252) 3.57 (2xA393) 4.16 (2xA193) 4.13 (2xA393) 4.13 (2xA393)170 2 hour A252 3.05 (A252) 3.05 (A252) 3.04 (2xA252) 3.50 (A252) 3.48 (2xA252) 3.46 (2xA393) 4.04 (A393) 4.04 (2xA252) 4.02 (2xA393)
180 2 hour A252 2.95 (A252) 2.95 (A252) 2.95 (A393) 3.38 (A252) 3.38 (A252) 3.35 (2xA393) 3.95 (A252) 3.93 (2xA252) 3.91 (2xA393)
190 2 hour A393 2.85 (A393) 2.85 (A393) 2.85 (A393) 3.27 (A393) 3.27 (A393) 3.27 (A393) 3.84 (A393) 3.84 (A393) 3.84 (A393)
200 2 hour A393 2.77 (A393) 2.77 (A393) 2.77 (A393) 3.17 (A393) 3.17 (A393) 3.17 (A393) 3.75 (A393) 3.75 (A393) 3.75 (A393)
Please refer to span parameters on page 12. The figures in brackets are mesh size references.* In accordance with BS EN 1994-1-1 Clause 9.8.1 (2) - the minimum cross-sectional area of anti-crack reinforcement above the ribs should not be lessthan 0.2% for unpropped construction. In order to maximise the FIRE LIMIT STATE spans, increased mesh sizing is required as specified in the above table.
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ComFlor Span tables
ComFlor 60 normal weight concrete using mesh (propped)(Eurocode)
Single span deck continuous slab (m) EC standard method Beam Width 150mm
Props Slab Fire 0.4% Total applied load (kN/m2)
depth period mesh 5.0 7.5 10.0 5.0 7.5 10.0 5.0 7.5 10.0
(mm) 0.9mm 1.0mm 1.2mm130 1 hour A393 4.77 (32) 4.44 (32) 3.93 (32) 4.80 (32) 4.46 (32) 3.98 (32) 4.85 (32) 4.51 (32) 3.97 (32)
140 1 hour A393 4.91 (25) 4.68 (32) 4.11 (32) 5.08 (32) 4.74 (32) 4.30 (32) 5.13 (32) 4.79 (32) 4.29 (32)
150 1 hour A393 4.83 (12) 4.76 (25) 4.27 (32) 5.36 (32) 5.01 (32) 4.48 (32) 5.41 (32) 5.06 (32) 4.60 (32)
160 1 hour 2xA252 4.64 (12) 4.62 (16) 4.42 (32) 5.32 (20) 5.22 (32) 4.64 (32) 5.68 (32) 5.32 (32) 4.90 (32)
170 1 hour 2xA252 4.48 (10) 4.47 (12) 4.46 (16) 5.17 (12) 5.12 (16) 4.79 (32) 5.94 (32) 5.58 (32) 5.18 (32)
180 1 hour 2xA252 4.33 (8) 4.33 (10) 4.31 (16) 5.00 (10) 4.98 (16) 4.96 (16) 6.12 (32) 5.83 (32) 5.34 (32)
190 1 hour 2xA393 4.17 (8) 4.17 (8) 4.17 (10) 4.82 (8) 4.81 (10) 4.79 (16) 6.01 (16) 5.90 (32) 5.49 (32)
200 1 hour 2xA393 4.05 (8) 4.05 (8) 4.04 (10) 4.67 (8) 4.67 (10) 4.66 (12) 5.86 (12) 5.81 (16) 5.63 (32)
140 1.5 hour A393 4.91 (25) 4.68 (32) 4.11 (32) 5.08 (32) 4.74 (32) 4.30 (32) 5.13 (32) 4.79 (32) 4.29 (32)
150 1.5 hour A393 4.81 (16) 4.76 (25) 4.27 (32) 5.36 (32) 5.01 (32) 4.48 (32) 5.41 (32) 5.06 (32) 4.60 (32)
160 1.5 hour 2xA252 4.62 (16) 4.60 (20) 4.42 (32) 5.32 (20) 5.22 (32) 4.64 (32) 5.68 (32) 5.32 (32) 4.90 (32)
170 1.5 hour 2xA252 4.46 (16) 4.46 (16) 4.44 (20) 5.13 (20) 5.13 (20) 4.79 (32) 5.94 (32) 5.58 (32) 5.18 (32)
180 1.5 hour 2xA252 4.33 (10) 4.31 (16) 4.29 (20) 4.98 (16) 4.96 (20) 4.92 (25) 6.12 (32) 5.83 (32) 5.34 (32)
190 1.5 hour 2xA393 4.17 (10) 4.15 (16) 4.14 (20) 4.79 (16) 4.78 (20) 4.78 (20) 6.00 (20) 5.90 (32) 5.49 (32)
200 1.5 hour 2xA393 4.04 (10) 4.04 (12) 4.03 (16) 4.66 (12) 4.65 (16) 4.63 (20) 5.82 (20) 5.82 (20) 5.63 (32)
150 2 hour A393 4.76 (25) 4.70 (32) 4.27 (32) 5.36 (32) 5.01 (32) 4.48 (32) 5.41 (32) 5.06 (32) 4.60 (32)
160 2 hour 2xA252 4.57 (25) 4.52 (32) 4.42 (32) 5.22 (32) 5.22 (32) 4.64 (32) 5.68 (32) 5.32 (32) 4.90 (32)
170 2 hour 2xA252 4.41 (25) 4.41 (25) 4.36 (32) 5.10 (25) 5.04 (32) 4.79 (32) 5.94 (32) 5.58 (32) 5.18 (32)
180 2 hour 2xA252 4.29 (20) 4.27 (25) 4.22 (32) 4.93 (25) 4.88 (32) 4.88 (32) 6.12 (32) 5.83 (32) 5.34 (32)
190 2 hour 2xA393 4.14 (16) 4.11 (25) 4.11 (25) 4.75 (25) 4.75 (25) 4.70 (32) 5.90 (32) 5.90 (32) 5.49 (32)
200 2 hour 2xA393 4.03 (16) 4.01 (20) 3.99 (25) 4.61 (25) 4.61 (25) 4.56 (32) 5.73 (32) 5.73 (32) 5.63 (32)
Please refer to span parameters on page 12. The figures in brackets are rebar sizes, when required.
1Line
1Line
1Line
ComFlor 60 normal weight concrete using mesh (propped)(Eurocode)
Single span deck continuous slab (m) UK NCCI method Beam Width 150mm
Props Slab Fire 0.4% Total applied load (kN/m2
)depth period mesh* 5.0 7.5 10.0 5.0 7.5 10.0 5.0 7.5 10.0(mm) 0.9mm 1.0mm 1.2mm
130 1 hour A393 4.10 (2xA252) 3.56 (2xA252) 3.06 (2xA252) 4.15 (2xA252) 3.60 (2xA252) 3.09 (2xA252) 4.24 (2xA252) 3.68 (2xA252) 3.16 (2xA252)
140 1 hour A393 4.48 (2xA393) 4.10 (2xA393) 3.53 (2xA393) 4.54 (2xA393) 4.14 (2xA393) 3.56 (2xA393) 4.66 (2xA393) 4.21 (2xA393) 3.62 (2xA393)
150 1 hour A393 4.70 (2xA393) 4.15 (2xA393) 3.58 (2xA393) 4.77 (2xA393) 4.18 (2xA393) 3.62 (2xA393) 4.85 (2xA393) 4.26 (2xA393) 3.68 (2xA393)
160 1 hour 2xA252 4.63 (2xA393) 4.20 (2xA393) 3.64 (2xA393) 4.81 (2xA393) 4.24 (2xA393) 3.67 (2xA393) 4.90 (2xA393) 4.31 (2xA393) 3.74 (2xA393)
170 1 hour 2xA252 4.49 (2xA252) 4.27 (2xA393) 3.72 (2xA393) 4.86 (2xA393) 4.30 (2xA393) 3.74 (2xA393) 4.96 (2xA393) 4.38 (2xA393) 3.81 (2xA393)
180 1 hour 2xA252 4.34 (2xA252) 4.34 (2xA252) 4.03 (2xA393) 5.02 (2xA252) 4.62 (2xA393) 4.03 (2xA393) 5.23 (2xA393) 4.63 (2xA393) 4.04 (2xA393)
190 1 hour 2xA393 4.18 (2xA393) 4.18 (2xA393) 4.18 (2xA393) 4.83 (2xA393) 4.83 (2xA393) 4.36 (2xA393) 5.61 (2xA393) 5.00 (2xA393) 4.37 (2xA393)
200 1 hour 2xA393 4.05 (2xA393) 4.05 (2xA393) 4.05 (2xA393) 4.68 (2xA393) 4.68 (2xA393) 4.68 (2xA393) 5.81 (2xA393) 5.33 (2xA393) 4.68 (2xA393)
140 1.5 hour A393 4.37 (2xA393) 3.82 (2xA393) 3.29 (2xA393) 4.40 (2xA393) 3.84 (2xA393) 3.31 (2xA393) 4.45 (2xA393) 3.88 (2xA393) 3.35 (2xA393)
150 1.5 hour A393 4.41 (2xA393) 3.87 (2xA393) 3.34 (2xA393) 4.44 (2xA393) 3.89 (2xA393) 3.36 (2xA393) 4.49 (2xA393) 3.94 (2xA393) 3.41 (2xA393)
160 1.5 hour 2xA252 4.44 (2xA393) 3.91 (2xA393) 3.39 (2xA393) 4.47 (2xA393) 3.93 (2xA393) 3.41 (2xA393) 4.53 (2xA393) 3.98 (2xA393) 3.45 (2xA393)
170 1.5 hour 2xA252 4.46 (2xA393) 3.94 (2xA393) 3.43 (2xA393) 4.49 (2xA393) 3.97 (2xA393) 3.45 (2xA393) 4.55 (2xA393) 4.02 (2xA393) 3.50 (2xA393)
180 1.5 hour 2xA252 4.34 (2xA252) 3.97 (2xA393) 3.47 (2xA393) 4.51 (2xA393) 4.00 (2xA393) 3.49 (2xA393) 4.58 (2xA393) 4.06 (2xA393) 3.54 (2xA393)
190 1.5 hour 2xA393 4.18 (2xA393) 4.08 (2xA393) 3.57 (2xA393) 4.60 (2xA393) 4.09 (2xA393) 3.58 (2xA393) 4.62 (2xA393) 4.11 (2xA393) 3.59 (2xA393)200 1.5 hour 2xA393 4.05 (2xA393) 4.05 (2xA393) 3.87 (2xA393) 4.68 (2xA393) 4.41 (2xA393) 3.87 (2xA393) 4.94 (2xA393) 4.40 (2xA393) 3.86 (2xA393)
150 2 hour A393 4.22 (2xA393) 3.70 (2xA393) 3.20 (2xA393) 4.24 (2xA393) 3.72 (2xA393) 3.21 (2xA393) 4.28 (2xA393) 3.75 (2xA393) 3.24 (2xA393)
160 2 hour 2xA252 4.28 (2xA393) 3.77 (2xA393) 3.27 (2xA393) 4.31 (2xA393) 3.79 (2xA393) 3.28 (2xA393) 4.34 (2xA393) 3.82 (2xA393) 3.32 (2xA393)
170 2 hour 2xA252 4.30 (2xA393) 3.80 (2xA393) 3.31 (2xA393) 4.33 (2xA393) 3.82 (2xA393) 3.32 (2xA393) 4.37 (2xA393) 3.86 (2xA393) 3.36 (2xA393)
180 2 hour 2xA252 4.32 (2xA393) 3.84 (2xA393) 3.35 (2xA393) 4.35 (2xA393) 3.86 (2xA393) 3.37 (2xA393) 4.40 (2xA393) 3.90 (2xA393) 3.40 (2xA393)
190 2 hour 2xA393 4.18 (2xA393) 3.86 (2xA393) 3.38 (2xA393) 4.37 (2xA393) 3.89 (2xA393) 3.40 (2xA393) 4.42 (2xA393) 3.93 (2xA393) 3.44 (2xA393)
200 2 hour 2xA393 4.05 (2xA393) 4.01 (2xA393) 3.52 (2xA393) 4.49 (2xA393) 4.01 (2xA393) 3.52 (2xA393) 4.50 (2xA393) 4.02 (2xA393) 3.52 (2xA393)
Please refer to span parameters on page 12. The figures in brackets are mesh size references.* In accordance with BS EN 1994-1-1 Clause 9.8.1 (2) - the minimum cross-sectional area of anti-crack reinforcement above the ribs should not be lessthan 0.4% for propped construction. In order to maximise the FIRE LIMIT STATE spans, increased mesh sizing is required as specified in the above table.
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ComFlor Span tables
ComFlor 80 normal weight concrete using mesh (unpropped)(Eurocode)
Single span deck continuous slab (m) EC standard method Beam Width 150mm
Props Slab Fire 0.2% Total applied load (kN/m2)
depth period mesh 5.0 7.5 10.0 5.0 7.5 10.0 5.0 7.5 10.0
(mm) 0.9mm 1.0mm 1.2mm140 1 hour A142 3.95 (10) 3.94 (12) 3.90 (16) 4.11 (10) 4.11 (12) 4.09 (16) 4.27 (12) 4.27 (12) 4.20 (16)
150 1 hour A142 3.85 (10) 3.84 (12) 3.84 (12) 4.03 (10) 4.03 (12) 4.02 (16) 4.19 (10) 4.18 (12) 4.18 (16)
160 1 hour A193 3.75 (10) 3.75 (10) 3.75 (12) 3.96 (10) 3.95 (12) 3.94 (16) 4.11 (10) 4.11 (12) 4.10 (16)
170 1 hour A193 3.66 (10) 3.66 (10) 3.66 (12) 3.87 (10) 3.87 (10) 3.87 (12) 4.04 (10) 4.04 (12) 4.04 (12)
180 1 hour A252 3.58 (8) 3.58 (10) 3.57 (12) 3.79 (10) 3.79 (10) 3.79 (12) 3.98 (10) 3.98 (10) 3.98 (12)
190 1 hour A252 3.50 (8) 3.50 (10) 3.50 (10) 3.72 (10) 3.72 (10) 3.72 (12) 3.91 (10) 3.91 (10) 3.90 (12)
200 1 hour A252 3.43 (8) 3.43 (10) 3.43 (10) 3.66 (8) 3.65 (10) 3.65 (12) 3.84 (10) 3.84 (10) 3.84 (12)
150 1.5 hour A142 3.84 (12) 3.83 (16) 3.83 (16) 4.02 (16) 4.02 (16) 4.01 (20) 4.18 (16) 4.18 (16) 4.16 (20)
160 1.5 hour A193 3.75 (12) 3.74 (16) 3.74 (16) 3.95 (12) 3.94 (16) 3.94 (16) 4.10 (16) 4.10 (16) 4.09 (20)
170 1.5 hour A193 3.66 (12) 3.65 (16) 3.65 (16) 3.87 (12) 3.86 (16) 3.86 (16) 4.03 (16) 4.03 (16) 4.03 (16)
180 1.5 hour A252 3.57 (12) 3.57 (16) 3.57 (16) 3.79 (12) 3.78 (16) 3.78 (16) 3.98 (12) 3.97 (16) 3.97 (16)
190 1.5 hour A252 3.50 (12) 3.50 (12) 3.49 (16) 3.72 (12) 3.71 (16) 3.71 (16) 3.90 (12) 3.90 (16) 3.90 (16)
200 1.5 hour A252 3.43 (10) 3.43 (12) 3.42 (16) 3.65 (12) 3.65 (12) 3.65 (16) 3.84 (12) 3.83 (16) 3.83 (16)
160 2 hour A193 3.73 (20) 3.73 (20) 3.71 (25) 3.93 (20) 3.91 (25) 3.91 (25) 4.09 (20) 4.08 (25) 4.08 (25)
170 2 hour A193 3.64 (20) 3.64 (20) 3.62 (25) 3.85 (20) 3.85 (20) 3.83 (25) 4.03 (20) 4.01 (25) 4.01 (25)180 2 hour A252 3.57 (16) 3.56 (20) 3.54 (25) 3.77 (20) 3.77 (20) 3.76 (25) 3.96 (20) 3.96 (20) 3.95 (25)
190 2 hour A252 3.49 (16) 3.49 (16) 3.48 (20) 3.70 (20) 3.70 (20) 3.70 (20) 3.89 (20) 3.89 (20) 3.87 (25)
200 2 hour A252 3.42 (16) 3.42 (16) 3.41 (20) 3.65 (16) 3.64 (20) 3.64 (20) 3.82 (20) 3.82 (20) 3.81 (25)
Double span (m) EC standard method Beam Width 150mm
140 1 hour A142 4.21 (10) 4.20 (12) 4.08 (16) 4.43 (12) 4.43 (12) 4.25 (16) 5.02 (12) 4.92 (16) 4.33 (16)
150 1 hour A142 4.03 (10) 4.03 (12) 4.01 (16) 4.37 (10) 4.37 (12) 4.36 (16) 4.85 (12) 4.84 (16) 4.57 (16)
160 1 hour A193 3.87 (8) 3.87 (10) 3.86 (12) 4.30 (10) 4.29 (12) 4.27 (16) 4.70 (12) 4.70 (12) 4.68 (16)
170 1 hour A193 3.73 (8) 3.72 (10) 3.72 (12) 4.14 (10) 4.14 (10) 4.13 (12) 4.56 (10) 4.56 (12) 4.54 (16)
180 1 hour A252 3.59 (8) 3.59 (8) 3.58 (10) 3.99 (8) 3.99 (10) 3.98 (12) 4.50 (10) 4.49 (12) 4.48 (16)
190 1 hour A252 3.47 (8) 3.47 (8) 3.46 (10) 3.86 (8) 3.86 (8) 3.86 (10) 4.48 (8) 4.48 (12) 4.48 (12)
200 1 hour A252 3.35 (8) 3.35 (8) 3.35 (8) 3.74 (8) 3.74 (8) 3.73 (10) 4.36 (8) 4.35 (10) 4.35 (12)
150 1.5 hour A142 4.01 (16) 4.01 (16) 3.99 (20) 4.36 (16) 4.36 (16) 4.35 (20) 4.84 (16) 4.82 (20) 4.55 (20)
160 1.5 hour A193 3.86 (12) 3.84 (16) 3.84 (16) 4.27 (16) 4.27 (16) 4.25 (20) 4.68 (16) 4.66 (20) 4.66 (20)
170 1.5 hour A193 3.72 (12) 3.70 (16) 3.70 (16) 4.12 (12) 4.12 (16) 4.10 (20) 4.54 (16) 4.54 (16) 4.53 (20)
180 1.5 hour A252 3.58 (10) 3.58 (12) 3.57 (16) 3.98 (12) 3.97 (16) 3.97 (16) 3.48 (16) 4.48 (16) 4.47 (20)190 1.5 hour A252 3.47 (8) 3.46 (10) 3.45 (16) 3.86 (10) 3.84 (16) 3.84 (16) 4.46 (16) 4.46 (16) 4.45 (20)
200 1.5 hour A252 3.36 (8) 3.36 (8) 3.35 (12) 3.74 (8) 3.73 (12) 3.72 (16) 4.35 (12) 4.33 (16) 4.33 (16)
160 2 hour A193 3.82 (20) 3.82 (20) 3.79 (25) 4.25 (20) 4.22 (25) 4.16 (32) 4.63 (25) 4.63 (25) 4.58 (32)
170 2 hour A193 3.70 (16) 3.68 (20) 3.65 (25) 4.10 (20) 4.07 (25) 4.07 (25) 4.52 (20) 4.50 (25) 4.45 (32)
180 2 hour A252 3.56 (16) 3.55 (20) 3.52 (25) 3.95 (20) 3.95 (20) 3.92 (25) 4.47 (20) 4.46 (25) 4.43 (32)
190 2 hour A252 3.49 (12) 3.43 (20) 3.43 (20) 3.84 (16) 3.82 (20) 3.80 (25) 4.45 (20) 4.42 (25) 4.42 (25)
200 2 hour A252 3.35 (10) 3.34 (12) 3.32 (20) 3.73 (12) 3.70 (20) 3.70 (20) 4.32 (10) 4.29 (25) 4.29 (25)
Multi span (m) EC standard method Beam Width 150mm
140 1 hour A142 4.13 (10) 4.13 (12) 4.05 (16) 4.50 (12) 4.50 (12) 4.12 (16) 4.99 (12) 4.90 (16) 4.31 (16)
150 1 hour A142 4.04 (10) 4.04 (10) 4.03 (16) 4.35 (10) 4.35 (12) 4.34 (16) 4.89 (12) 4.88 (16) 4.54 (16)
160 1 hour A193 4.01 (10) 4.01 (10) 4.00 (12) 4.21 (10) 4.21 (12) 4.19 (16) 4.78 (12) 4.78 (12) 4.76 (16)
170 1 hour A193 3.86 (8) 3.86 (8) 3.85 (12) 4.09 (8) 4.09 (10) 4.09 (12) 4.65 (10) 4.64 (12) 4.63 (16)
180 1 hour A252 3.72 (8) 3.72 (8) 3.72 (10) 4.08 (8) 4.08 (10) 4.07 (12) 4.51 (10) 4.51 (12) 4.50 (16)
190 1 hour A252 3.60 (8) 3.60 (8) 3.59 (10) 4.00 (8) 4.00 (10) 3.99 (12) 4.40 (8) 4.40 (10) 4.39 (12)
200 1 hour A252 3.48 (8) 3.48 (8) 3.48 (8) 3.88 (8) 3.88 (8) 3.88 (10) 4.29 (8) 4.28 (10) 4.28 (12)
150 1.5 hour A142 4.03 (16) 4.03 (16) 4.02 (20) 4.34 (16) 4.34 (16) 4.32 (20) 4.88 (16) 4.87 (20) 4.53 (20)
160 1.5 hour A193 4.00 (12) 3.99 (16) 3.97 (20) 4.19 (16) 4.19 (16) 4.18 (20) 4.76 (16) 4.75 (20) 4.75 (20)
170 1.5 hour A193 3.85 (12) 3.84 (16) 3.84 (16) 4.09 (12) 4.08 (16) 4.07 (20) 4.63 (16) 4.63 (16) 4.61 (20)
180 1.5 hour A252 3.72 (10) 3.71 (12) 3.70 (16) 4.07 (12) 4.07 (16) 4.07 (16) 4.50 (16) 4.50 (16) 4.48 (20)
190 1.5 hour A252 3.60 (8) 3.59 (12) 3.58 (16) 4.00 (10) 3.98 (16) 3.98 (16) 4.38 (12) 4.38 (16) 4.37 (20)
200 1.5 hour A252 3.48 (8) 3.48 (10) 3.46 (16) 3.88 (10) 3.87 (12) 3.86 (16) 4.28 (12) 4.27 (16) 4.27 (16)
160 2 hour A193 3.97 (20) 3.94 (25) 3.94 (25) 4.18 (20) 4.15 (25) 4.12 (25) 4.72 (25) 4.72 (25) 4.68 (32)
170 2 hour A193 3.83 (16) 3.83 (20) 3.80 (25) 4.07 (20) 4.06 (25) 4.06 (25) 4.59 (25) 4.59 (25) 4.55 (32)
180 2 hour A252 3.70 (16) 3.69 (20) 3.66 (25) 4.06 (20) 4.06 (20) 4.04 (25) 4.48 (20) 4.46 (25) 4.42 (32)
190 2 hour A252 3.59 (12) 3.56 (20) 3.56 (20) 3.97 (20) 3.97 (20) 3.94 (25) 4.37 (20) 4.35 (25) 4.35 (25)
200 2 hour A252 3.47 (12) 3.46 (16) 3.45 (20) 3.86 (16) 3.85 (20) 3.83 (25) 4.26 (20) 4.26 (20) 4.24 (25)
Please refer to span parameters on page 12. The figures in brackets are rebar sizes, when required.
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ComFlor Span tables
ComFlor 80 normal weight concrete using mesh (propped)(Eurocode)
Single span deck continuous slab (m) UK NCCI method Beam Width 150mm
Props Slab Fire 0.4% Total applied load (kN/m2)
depth period mesh* 5.0 7.5 10.0 5.0 7.5 10.0 5.0 7.5 10.0(mm) 0.9mm 1.0mm 1.2mm
150 1 hour A393 4.19 (2xA252) 3.65 (2xA252) 3.14 (2xA252) 4.25 (2xA252) 3.70 (2xA252) 3.18 (2xA252) 4.35 (2xA252) 3.79 (2xA252) 3.26 (2xA252)
160 1 hour A393 4.77 (2xA393) 4.17 (2xA393) 3.60 (2xA393) 4.82 (2xA393) 4.21 (2xA393) 3.64 (2xA393) 4.90 (2xA393) 4.29 (2xA393) 3.70 (2xA393)170 1 hour A393 4.83 (2xA393) 4.24 (2xA393) 3.67 (2xA393) 4.88 (2xA393) 4.28 (2xA393) 3.71 (2xA393) 4.97 (2xA393) 4.37 (2xA393) 3.78 (2xA393)
180 1 hour 2xA252 4.88 (2xA393) 4.30 (2xA393) 3.74 (2xA393) 4.93 (2xA393) 4.35 (2xA393) 3.78 (2xA393) 5.03 (2xA393) 4.44 (2xA393) 3.85 (2xA393)
190 1 hour 2xA252 5.00 (2xA393) 4.42 (2xA393) 3.85 (2xA393) 5.02 (2xA393) 4.44 (2xA393) 3.87 (2xA393) 5.08 (2xA393) 4.50 (2xA393) 3.92 (2xA393)
200 1 hour 2xA252 5.10 (2xA393) 4.72 (2xA393) 4.12 (2xA393) 5.34 (2xA393) 4.73 (2xA393) 4.13 (2xA393) 5.44 (2xA393) 4.74 (2xA393) 4.15 (2xA393)
150 1.5 hour A393 3.52 (2xA252) 3.07 (2xA252) 2.64 (2xA252) 3.56 (2xA252) 3.10 (2xA252) 2.67 (2xA252) 3.65 (2xA252) 3.18 (2xA252) 2.74 (2xA252)
160 1.5 hour A393 4.22 (2xA393) 3.70 (2xA393) 3.19 (2xA393) 4.26 (2xA393) 3.73 (2xA393) 3.22 (2xA393) 4.32 (2xA393) 3.78 (2xA393) 3.27 (2xA393)
170 1.5 hour A393 4.40 (2xA393) 3.87 (2xA393) 3.35 (2xA393) 4.44 (2xA393) 3.90 (2xA393) 3.38 (2xA393) 4.50 (2xA393) 3.96 (2xA393) 3.43 (2xA393)
180 1.5 hour 2xA252 4.46 (2xA393) 3.93 (2xA393) 3.41 (2xA393) 4.49 (2xA393) 3.96 (2xA393) 3.44 (2xA393) 4.56 (2xA393) 4.02 (2xA393) 3.50 (2xA393)
190 1.5 hour 2xA252 4.49 (2xA393) 3.97 (2xA393) 3.46 (2xA393) 4.53 (2xA393) 4.01 (2xA393) 3.49 (2xA393) 4.60 (2xA393) 4.07 (2xA393) 3.55 (2xA393)
200 1.5 hour 2xA252 4.52 (2xA393) 4.01 (2xA393) 3.51 (2xA393) 4.56 (2xA393) 4.05 (2xA393) 3.54 (2xA393) 4.63 (2xA393) 4.11 (2xA393) 3.60 (2xA393)
160 2 hour A393 3.82 (2xA393) 3.34 (2xA393) 2.89 (2xA393) 3.85 (2xA393) 3.37(2xA393) 2.91 (2xA393) 3.90 (2xA393) 3.42 (2xA393) 2.95 (2xA393)
170 2 hour A393 4.06 (2xA393) 3.57 (2xA393) 3.09 (2xA393) 4.09 (2xA393) 3.59 (2xA393) 3.11 (2xA393) 4.14 (2xA393) 3.64 (2xA393) 3.15 (2xA393)
180 2 hour 2xA252 4.24 (2xA393) 3.73 (2xA393) 3.25 (2xA393) 4.26 (2xA393) 3.76 (2xA393) 3.27 (2xA393) 4.31 (2xA393) 3.80 (2xA393) 3.31 (2xA393)
190 2 hour 2xA252 4.30 (2xA393) 3.80 (2xA393) 3.31 (2xA393) 4.33 (2xA393) 3.83 (2xA393) 3.34 (2xA393) 4.38 (2xA393) 3.87 (2xA393) 3.38 (2xA393)
200 2 hour 2xA252 4.32 (2xA393) 3.84 (2xA393) 3.36 (2xA393) 4.35 (2xA393) 3.87 (2xA393) 3.38 (2xA393) 4.41 (2xA393) 3.91 (2xA393) 3.42 (2xA393)Please refer to span parameters on page 12. The figures in brackets are mesh size references.* In accordance with BS EN 1994-1-1 Clause 9.8.1 (2) - the minimum cross-sectional area of anti-crack reinforcement above the ribs should not be lessthan 0.4% for propped construction. In order to maximise the FIRE LIMIT STATE spans, increased mesh sizing is required as specified in the above table.
ComFlor 80 normal weight concrete using mesh (propped)(Eurocode)
Single span deck continuous slab (m) EC standard method Beam Width 150mm
Props Slab Fire 0.4% Total applied load (kN/m2)
depth period mesh 5.0 7.5 10.0 5.0 7.5 10.0 5.0 7.5 10.0
(mm) 0.9mm 1.0mm 1.2mm150 1 hour A393 5.47 (32) 5.08 (32) 4.26 (20) 5.50 (32) 5.12 (32) 4.42 (16) 5.55 (32) 5.17 (32) 4.64 (20)
160 1 hour A393 5.73 (32) 5.28 (32) 4.46 (16) 5.76 (32) 5.38 (32) 4.61 (16) 5.81 (32) 5.43 (32) 4.87 (20)
170 1 hour A393 5.65 (20) 5.47 (32) 4.61 (16) 6.02 (32) 5.63 (32) 4.79 (16) 6.07 (32) 5.68 (32) 5.07 (20)
180 1 hour 2xA252 5.46 (16) 5.43 (20) 4.76 (16) 6.07 (25) 5.85 (32) 4.95 (16) 6.32 (32) 5.93 (32) 5.24 (20)
190 1 hour 2xA252 5.28 (12) 5.26 (16) 4.91 (16) 5.93 (16) 5.87 (25) 5.09 (16) 6.57 (32) 6.17 (32) 5.42 (16)
200 1 hour 2xA252 5.11 (10) 5.09 (16) 5.07 (16) 5.74 (16) 5.72 (20) 5.24 (16) 6.71 (32) 6.43 (32) 5.59 (16)
150 1.5 hour A393 5.47 (32) 5.08 (32) 4.26 (20) 5.50 (32) 5.12 (32) 4.42 (20) 5.55 (32) 5.17 (32) 4.62 (25)
160 1.5 hour A393 5.73 (32) 5.28 (32) 4.45 (20) 5.76 (32) 5.38 (32) 4.60 (20) 5.81 (32) 5.43 (32) 4.89 (25)
170 1.5 hour A393 5.65 (20) 5.47 (32) 4.61 (20) 6.02 (32) 5.63 (32) 4.76 (20) 6.07 (32) 5.68 (32) 5.06 (25)
180 1.5 hour 2xA252 5.43 (20) 5.43 (20) 4.76 (20) 6.07 (32) 5.85 (32) 4.93 (25) 6.32 (32) 5.93 (32) 5.22 (25)
190 1.5 hour 2xA252 5.26 (16) 5.24 (20) 4.91 (20) 5.91 (25) 5.87 (25) 5.07 (25) 6.57 (32) 6.17 (32) 5.39 (25)
200 1.5 hour 2xA252 5.09 (16) 5.07 (20) 5.06 (20) 5.72 (20) 5.72 (20) 5.22 (25) 6.71 (32) 6.43 (32) 5.57 (25)
160 2 hour A393 5.73 (32) 5.28 (32) 4.42 (32) 5.76 (32) 5.38 (32) 4.57 (32) 5.81 (32) 5.43 (32) 4.87 (32)
170 2 hour A393 5.54 (32) 5.47 (32) 4.58 (32) 6.02 (32) 5.63 (32) 4.75 (32) 6.07 (32) 5.68 (32) 5.03 (32)
180 2 hour 2xA252 5.38 (25) 5.33 (32) 4.72 (32) 6.01 (32) 5.85 (32) 4.91 (32) 6.32 (32) 5.92 (32) 5.16 (32)190 2 hour 2xA252 5.21 (25) 5.15 (32) 4.87 (32) 5.81 (32) 5.81 (32) 5.05 (32) 6.57 (32) 6.05 (32) 5.29 (32)
200 2 hour 2xA252 5.04 (25) 4.98 (25) 4.98 (32) 5.62 (32) 5.62 (32) 5.20 (32) 6.71 (32) 6.35 (32) 5.42 (32)
Please refer to span parameters on page 12. The figures in brackets are rebar sizes, when required.
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ComFlor Span tables
ComFlor 100 normal weight concrete using mesh(BS5950)
ComFlor 100 span table
Props Span Fire Slab Mesh Bar Total applied load (kN/m2)
period Depth Reinforcement 3.5 5.0 10.0 3.5 5.0 10.0 3.5 5.0 10.0
(mm) 12 mm 0.9 1.1 1.21 hour 170 A252 None 3.9 3.5 2.8 4.0 3.6 2.8 4.0 3.7 2.9
Single1.5 hour 180 A393 None 3.8 3.5 2.8 3.9 3.6 2.8 3.9 3.6 2.9
span slab195 A393 None 3.6 3.2 2.6 3.6 3.3 2.6 3.6 3.3 2.6
& deck 2 hour250 A393 None 3.3 3.2 2.6 3.3 3.2 2.6 3.3 3.2 2.6
1 hour 170 A142 None 4.3 3.9 3.1 4.4 4.0 3.1 4.5 4.1 3.2Double
1.5 hour 180 A252 None 4.3 3.8 3.0 4.3 3.9 3.9 4.4 4.0 3.1span slab
195 A393 None 4.2 3.8 3.1 4.2 3.9 3.1 4.3 3.9 3.1& deck 2 hour
250 A393 None 3.5 3.5 3.4 3.8 3.8 3.5 3.8 3.8 3.5
170 A393 One per trough 5.9 5.3 4.2 5.9 5.3 4.2 5.9 5.3 4.21 hour
250 2xA393 One per trough 5.8 5.8 4.9 6.3 6.0 4.9 6.5 6.0 4.9Single
180 A393 One per trough 4.8 4.4 3.4 4.8 4.3 3.4 4.8 4.3 3.4span slab 1.5 hour
250 2xA393 One per trough 3.5 4.8 3.9 5.2 4.8 3.9 5.2 4.8 3.9& deck
195 A393 One per trough 4.0 3.7 2.9 4.0 3.6 2.9 4.0 3.6 2.92 hour
250 2xA393 One per trough 4.3 3.9 3.2 4.3 3.9 3.2 4.3 3.9 3.2
170 A393 One per trough 5.9 5.0 4.2 5.9 5.3 4.2 5.9 5.3 4.2
1 hour 250 2xA393 One per trough 5.9 5.9 4.9 6.5 6.0 4.9 6.5 6.0 4.9Double180 A393 One per trough 4.8 4.4 3.4 4.8 4.3 3.4 4.8 4.3 3.4
span slab 1.5 hour250 2xA393 One per trough 5.2 4.8 3.9 5.2 4.8 3.9 5.2 4.8 3.9
& deck195 A393 One per trough 4.0 3.7 2.9 4.0 3.6 2.9 4.0 3.6 2.9
2 hour250 2xA393 One per trough 4.3 3.9 3.2 4.3 3.9 3.2 4.3 3.9 3.2
Please refer to span parameters on page 12.
Notemporaryprops
1lineoftemporaryprops
ComFlor 100 lightweight concrete using mesh(BS5950)
ComFlor 100 span table
Props Span Fire Slab Mesh Bar Total applied load (kN/m2)
period Depth Reinforcement 3.5 5.0 10.0 3.5 5.0 10.0 3.5 5.0 10.0
(mm) 12 mm 0.9 1.1 1.21 hour 160 A252 None 4.1 3.6 2.8 4.2 3.7 2.9 4.3 3.8 2.9
Single1.5 hour 170 A252 None 3.7 3.3 2.5 3.7 3.3 2.6 3.8 3.4 2.6
span slab180 A393 None 3.8 3.4 2.7 3.9 3.5 2.7 3.9 3.5 2.7
& deck 2 hour250 A393 None 3.6 3.4 2.7 3.6 3.4 2.7 3.6 3.4 2.7
1 hour 160 A142 None 4.5 4.1 3.1 4.6 4.1 3.1 4.7 4.2 3.2Double
1.5 hour 170 A142 None 4.1 3.7 2.8 4.2 3.7 2.9 4.3 3.8 2.9span slab
180 A393 None 4.7 4.7 3.6 4.7 4.7 3.6 4.8 4.7 3.6& deck 2 hour
250 A393 None 3.9 3.9 3.9 4.1 4.1 4.1 4.1 4.1 4.1
160 A252 One per trough 5.6 5.1 4.1 5.6 5.2 4.1 5.7 5.2 4.11 hour
250 2xA393 One per trough 6.7 6.6 5.2 7.1 6.6 5.2 7.2 6.5 5.2Single
170 A393 One per trough 5.7 5.2 4.0 5.8 5.2 4.0 5.8 5.2 4.0span slab 1.5 hour
250 2xA393 One per trough 6.5 5.9 4.7 6.5 5.9 4.7 6.5 5.9 4.7& deck
180 A393 One per trough 5.2 4.6 3.6 5.2 4.6 3.6 5.2 4.6 3.62 hour
250 2xA393 One per trough 5.7 5.2 4.1 5.7 5.2 4.1 5.7 5.2 4.1
160 A252 One per trough 5.5 5.1 4.1 5.5 5.1 4.1 5.6 5.2 4.11 hour 250 2xA393 One per trough 6.7 6.6 5.2 7.1 6.6 5.2 7.2 6.5 5.2
Double170 A393 One per trough 5.6 5.2 4.0 5.8 5.2 4.0 5.8 5.2 4.0
span slab 1.5 hour250 2xA393 One per trough 6.5 5.9 4.7 6.5 5.9 4.7 6.5 5.9 4.7
& deck180 A393 One per trough 5.2 4.6 3.6 5.2 4.6 3.6 5.2 4.6 3.6
2 hour250 2xA393 One per trough 5.7 5.2 4.1 5.7 5.2 4.1 5.7 5.2 4.1
Please refer to span parameters on page 12.
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ComFlor Span tables
ComFlor 210 normal weight concrete using mesh(BS5950)
ComFlor 210 span table
Props Span Fire Slab Mesh Total applied load (kN/m2)
period Depth 3.5 5.0 10.0
(mm) 12 16 20 25 12 16 20 25 12 16 20 25280 A142 4.8 5.4 5.4 5.4 4.3 5.4 5.4 5.4 3.4 4.5 5.4 5.4
1 hour 300 A193 4.8 5.2 5.2 5.2 4.4 5.2 5.2 5.2 3.5 4.6 5.2 5.2
350 A393 4.7 4.7 4.7 4.7 4.5 4.7 4.7 4.7 3.7 4.7 4.7 4.7
290 A193 3.7 4.9 5.3 5.3 3.4 4.4 5.3 5.3 2.7 3.5 4.3 5.3Single
1.5 hour 300 A193 3.7 4.9 5.2 5.2 3.4 4.5 5.2 5.2 2.7 3.6 4.4 5.2span slab
350 A393 3.8 4.7 4.7 4.7 3.5 4.6 4.7 4.7 2.8 3.8 4.6 4.7
305 A193 2.0 2.7 3.3 4.1 1.8 2.4 3.0 3.7 1.5 1.9 2.4 3.0
2 hour 350 A393 2.1 2.7 3.4 4.2 1.9 2.5 3.1 3.8 1.5 2.0 2.5 3.1
400 A393 2.1 2.7 3.4 4.2 1.9 2.6 3.2 3.9 1.6 2.1 2.6 3.3
280 A393 4.9 6.4 7.3 7.3 4.4 5.8 7.2 7.3 3.4 4.5 5.6 6.2
1 hour 300 A393 4.9 6.5 6.7 6.7 4.5 5.9 6.7 6.7 3.5 4.7 5.8 6.6
350 2xA393 5.1 5.6 5.6 5.6 4.6 5.6 5.6 5.6 3.7 4.9 5.6 5.6
290 A393 3.7 5.0 6.2 7.0 3.4 4.5 5.5 6.9 2.7 3.5 4.4 5.4Single
1.5 hour 300 A393 3.8 5.0 6.2 6.7 3.4 4.5 5.6 6.7 2.7 3.6 4.4 5.5span slab
350 2xA393 3.8 5.1 5.6 5.6 3.5 4.7 5.6 5.6 2.9 3.8 4.7 5.6
305 A393 2.0 2.7 3.3 4.1 1.8 2.4 3.0 3.7 1.5 1.9 2.4 3.02 hour 350 2xA393 2.1 2.7 3.4 4.2 1.9 2.5 3.1 3.9 1.5 2.0 2.5 3.1
400 2xA393 2.1 2.8 3.4 4.3 1.9 2.6 3.2 3.9 1.6 2.1 2.6 3.3
280 A393 5.7 7.1 7.3 7.3 5.1 6.3 7.3 7.3 4.0 4.9 5.9 6.7
1 hour 300 A393 5.8 6.7 6.7 6.7 5.3 6.5 6.7 6.7 4.2 5.1 6.2 6.7
350 2xA393 5.6 5.6 5.6 5.6 5.6 5.6 5.6 5.6 4.6 5.6 5.6 5.6
290 A393 4.3 5.4 6.5 7.0 3.9 4.8 5.8 7.0 3.0 3.8 4.6 5.6Continuous
1.5 hour 300 A393 4.4 5.4 6.6 6.7 3.9 4.9 5.9 6.7 3.1 3.9 4.7 5.7span slab
350 2xA393 4.7 5.6 5.6 5.6 4.3 5.3 5.6 5.6 3.5 4.2 5.1 5.6
305 A393 2.6 3.1 3.7 4.4 2.3 2.8 3.3 4.0 1.9 2.2 2.6 3.2
2 hour 350 2xA393 2.8 3.4 3.9 4.6 2.6 3.1 3.6 4.3 2.1 2.5 2.9 3.4
400 2xA393 2.8 3.4 3.9 4.6 2.6 3.1 3.6 4.3 2.1 2.5 2.9 3.4
280 A393 4.9 6.4 7.6 7.8 4.4 5.8 7.2 7.4 3.4 4.5 5.6 6.2
1 hour 300 A393 4.9 6.5 7.7 8.0 4.5 5.9 7.3 7.7 3.5 4.7 5.8 6.6
350 2xA393 5.0 6.6 8.0 8.3 4.6 6.1 7.6 8.2 3.7 4.9 6.1 7.4
290 A393 3.7 5.0 6.2 7.6 3.4 4.5 5.6 6.9 2.7 3.5 4.4 5.4
Single 1.5 hour 300 A393 3.8 5.0 6.2 7.7 3.4 4.5 5.6 6.9 2.7 3.6 4.4 5.5span slab
350 2xA393 3.8 5.1 6.3 7.8 3.5 4.7 5.8 7.2 2.9 3.8 4.7 5.8
305 A393 2.0 2.7 3.3 4.1 1.8 2.4 3.0 3.7 1.5 1.9 2.4 3.0
2 hour 350 2xA393 2.1 2.7 3.4 4.2 1.9 2.5 3.1 3.9 1.5 2.0 2.5 3.1
400 2xA393 2.1 2.8 3.4 4.3 1.9 2.6 3.2 3.9 1.6 2.1 2.6 3.3
280 A393 5.7 7.1 8.0 8.3 5.1 5.3 7.8 7.9 4.0 4.9 5.9 6.7
1 hour 300 A393 5.8 7.2 8.3 8.5 5.3 6.5 7.8 8.1 4.2 5.2 6.2 7.1
350 2xA393 6.2 7.6 8.7 8.7 5.7 7.0 8.6 8.7 4.6 5.6 6.7 7.5
290 A393 4.3 5.4 6.5 7.9 3.9 4.8 5.9 7.1 3.0 3.8 4.6 5.6Continuous
1.5 hour 300 A393 4.4 5.4 6.6 8.0 3.9 4.9 5.9 7.4 3.1 3.9 4.7 5.2span slab
350 2xA393 4.7 5.7 6.9 8.3 4.3 5.3 6.3 7.6 3.5 4.3 5.1 5.8
305 A393 2.6 3.1 3.7 4.4 2.3 2.8 3.3 4.0 1.9 2.2 2.6 3.2
2 hour 350 2xA393 2.8 3.4 3.9 4.6 2.6 3.1 3.6 4.3 2.1 2.5 2.9 3.4
400 2xA393 3.1 3.6 4.2 4.9 2.9 3.4 3.9 4.5 2.4 2.8 3.2 3.7
Please refer to span parameters on page 12.
End anchorage for bar reinforcement. All cases require properly anchored L-bars at the supports, except for those marked .
These cases may have straight bars, with an anchorage length of 70 mm from the edge of the support.See Design Notes on page 00 for further information. One bar is placed in each profile trough, the cover to deck soffit is assumed at 70 mm.
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ComFlor Span tables
ComFlor 210 lightweight concrete using mesh(BS5950)
ComFlor 210 span table
Props Span Fire Slab Mesh Total applied load (kN/m2)
period Depth 3.5 5.0 10.0
(mm) 12 16 20 25 12 16 20 25 12 16 20 25270 A142 5.0 6.0 6.0 6.0 4.5 5.9 6.0 6.0 3.5 4.6 5.6 5.8
1 hour 300 A193 5.1 5.6 5.6 5.6 4.6 5.6 5.6 5.6 3.6 4.8 5.6 5.6
350 A393 5.0 5.0 5.0 5.0 4.8 5.0 5.0 5.0 3.9 5.0 5.0 5.0
280 A142 4.3 5.6 5.8 5.8 3.9 5.1 5.8 5.8 3.0 4.0 4.9 5.8Single
1.5 hour 300 A193 4.4 5.6 5.6 5.6 4.0 5.2 5.6 5.6 3.1 4.1 5.0 5.6span slab
350 A393 4.5 5.0 5.0 5.0 4.1 5.0 5.0 5.0 3.3 4.3 5.0 5.0
290 A193 3.1 4.1 5.0 5.7 2.8 3.7 4.5 5.6 2.2 2.8 3.5 4.4
2 hour 350 A393 3.2 4.2 5.0 5.0 2.9 3.9 4.8 5.0 2.3 3.1 3.8 4.7
400 A393 3.3 4.3 4.7 4.7 3.0 4.0 4.7 4.7 2.4 3.2 4.0 4.7
270 A393 5.1 6.7 7.5 7.7 4.5 6.0 7.0 7.2 3.5 4.6 5.6 5.8
1 hour 300 A393 5.2 6.9 7.6 7.6 4.7 6.2 7.4 7.6 3.6 4.8 5.9 6.4
350 2xA393 5.4 6.4 6.4 6.4 4.9 6.4 6.4 6.4 3.9 5.1 6.4 6.4
280 A393 4.4 5.8 7.2 7.8 3.9 5.1 6.4 7.4 3.0 4.0 4.9 6.0Single
1.5 hour 300 A393 4.4 5.9 7.3 7.6 4.0 5.3 6.5 7.6 3.1 4.1 5.1 6.3span slab
350 2xA393 4.6 6.0 6.4 6.4 4.1 5.5 6.4 6.4 3.3 4.4 5.4 6.4
290 A393 3.1 4.1 5.1 6.4 2.8 3.8 4.6 5.7 2.2 2.8 3.5 4.42 hour 350 2xA393 3.2 4.3 5.3 6.4 2.9 3.9 4.8 6.1 2.3 3.1 3.8 4.8
400 2xA393 3.3 4.4 5.4 5.6 3.0 4.0 5.0 5.6 2.4 3.2 4.0 5.0
270 A393 6.0 7.4 7.9 8.1 5.3 6.6 7.4 7.6 4.0 5.0 6.0 6.2
1 hour 300 A393 6.3 7.6 7.6 7.6 5.6 6.9 7.6 7.6 4.3 5.4 6.4 6.9
350 2xA393 6.4 6.4 6.4 6.4 6.1 6.4 6.4 6.4 4.8 5.9 6.4 6.4
280 A393 5.1 6.2 7.5 8.2 4.4 5.6 6.7 7.8 3.4 4.3 5.1 6.3Continuous
1.5 hour 300 A393 5.1 6.4 7.6 7.6 4.6 5.7 6.9 7.6 3.6 4.4 5.4 6.5span slab
350 2xA393 5.5 6.4 6.4 6.4 5.0 6.2 6.4 6.4 4.0 4.9 5.8 6.4
290 A393 3.7 4.5 5.5 6.6 3.3 4.0 4.9 5.9 2.5 3.1 3.8 4.6
2 hour 350 2xA393 4.0 4.9 5.8 6.4 3.7 4.5 5.3 6.4 2.9 3.5 4.2 5.0
400 2xA393 4.4 5.2 5.6 5.6 4.0 4.8 5.6 5.6 3.2 3.9 4.6 5.4
270 A393 5.1 6.7 7.5 7.7 4.5 6.0 7.0 7.2 3.5 4.6 5.6 5.8
1 hour 300 A393 5.2 6.9 7.9 8.1 4.7 6.2 7.5 7.7 3.6 4.8 5.9 6.4
350 2xA393 5.4 7.1 8.3 8.5 4.9 6.5 8.0 8.3 3.9 5.1 6.4 7.1
280 A393 4.4 5.8 7.2 7.8 3.9 5.1 6.4 7.4 3.0 4.0 4.9 6.0
Single 1.5 hour 300 A393 4.4 5.9 7.3 8.1 4.0 5.3 6.5 7.7 3.1 4.1 5.1 6.3span slab
350 2xA393 4.6 6.1 7.5 8.5 4.1 5.5 6.8 8.3 3.3 4.4 5.4 6.7
290 A393 3.1 4.1 5.1 6.4 2.8 3.7 4.6 5.7 2.2 2.8 3.5 4.4
2 hour 350 2xA393 3.2 4.3 5.3 6.6 2.9 3.9 4.8 6.0 2.3 3.1 3.8 4.8
400 2xA393 3.3 4.4 5.4 6.8 3.0 4.0 5.0 6.2 2.4 3.2 4.0 5.0
270 A393 6.0 7.4 7.9 8.1 5.3 6.6 7.4 7.6 4.0 5.0 6.0 6.2
1 hour 300 A393 6.3 7.7 8.3 8.6 5.6 6.9 7.9 8.1 4.3 5.3 6.4 6.9
350 2xA393 6.7 8.2 8.9 9.2 6.1 7.5 8.5 8.8 4.8 5.9 6.6 7.1
280 A393 5.0 6.3 7.6 8.3 4.4 5.6 6.7 7.8 3.4 4.3 5.1 6.3Continuous
1.5 hour 300 A393 5.1 6.4 7.7 8.6 4.6 5.7 6.9 8.1 3.6 4.4 5.4 6.5span slab
350 2xA393 5.5 6.8 8.2 9.2 5.0 6.2 7.4 8.8 4.0 4.9 5.8 7.1
290 A393 3.7 4.5 5.5 6.6 3.3 4.0 4.9 5.9 2.5 3.1 3.8 4.6
2 hour 350 2xA393 4.0 4.9 5.8 7.0 3.7 4.5 5.3 6.4 2.9 3.5 4.2 5.0
400 2xA393 4.4 5.3 6.2 7.4 4.0 4.8 5.7 6.7 3.2 3.9 4.6 5.4
Please refer to span parameters on page 12.
End anchorage for bar reinforcement. All cases require properly anchored L-bars at the supports, except for those marked .
These cases may have straight bars, with an anchorage length of 70 mm from the edge of the support.See Design Notes on page 00 for further information. One bar is placed in each profile trough, the cover to deck soffit is assumed at 70 mm.
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ComFlor Span tables
ComFlor 225 normal weight concrete using mesh (unpropped)(Eurocode)
Single span deck single slab (m) EC standard method
Props Slab Beam Fire 0.2% Total applied load (kN/m2)
depth width period Mesh 5.0 7.5 10.0
(mm) (mm) 1.25mm295 285 1 hour A142 6.07 (10) 6.07 (10) 5.93 (32)
300 285 1 hour A193 6.00 (8) 5.99 (10) 5.88 (32)
310 285 1 hour A193 5.86 (8) 5.86 (10) 5.83 (25)
320 285 1 hour A193 5.73 (8) 5.73 (10) 5.72 (16)
330 285 1 hour A252 5.64 (8) 5.64 (10) 5.64 (10)
340 285 1 hour A252 5.56 (8) 5.56 (10) 5.56 (10)
350 285 1 hour A252 5.49 (8) 5.49 (8) 5.49 (10)
375 285 1 hour A393 5.29 (8) 5.29 (8) 5.29 (10)
400 285 1 hour A393 5.06 (8) 5.06 (8) 5.06 (8)
305 285 1.5 hour A193 5.92 (12) 5.92 (16) 5.87 (32)
310 285 1.5 hour A193 5.85 (12) 5.85 (16) 5.83 (25)
320 285 1.5 hour A193 5.73 (12) 5.73 (12) 5.72 (16)
330 285 1.5 hour A252 5.64 (12) 5.64 (12) 5.64 (16)
340 285 1.5 hour A252 5.56 (12) 5.56 (12) 5.56 (16)
350 285 1.5 hour A252 5.49 (10) 5.49 (12) 5.48 (16)
375 285 1.5 hour A393 5.29 (10) 5.29 (12) 5.29 (12)400 285 1.5 hour A393 5.06 (10) 5.06 (10) 5.06 (10)
315 285 2 hour A193 5.77 (25) 5.77 (25) 5.75 (32)
320 285 2 hour A193 5.71 (25) 5.71 (25) 5.69 (32)
330 285 2 hour A252 5.62 (25) 5.62 (25) 5.61 (32)
340 285 2 hour A252 5.54 (25) 5.54 (25) 5.53 (32)
350 285 2 hour A252 5.48 (20) 5.47 (25) 5.46 (32)
375 285 2 hour A393 5.28 (20) 5.27 (25) 5.27 (25)
400 285 2 hour A393 5.05 (20) 5.05 (20) 5.04 (25)
Please refer to span parameters. The figures in brackets are rebar sizes, when required.
None
None
None
ComFlor 225 normal weight concrete using mesh (propped)(Eurocode)
Single span deck single slab (m) EC standard method
Props Slab Beam Fire 0.2% Total applied load (kN/m2)
depth width period Mesh 5.0 7.5 10.0(mm) (mm) 1.25mm
295 285 1 hour A142 8.02 (32) 7.01 (32) 5.93 (32)
300 285 1 hour A193 7.79 (32) 7.07 (32) 5.96 (32)
310 285 1 hour A193 7.48 (20) 7.20 (32) 6.02 (32)
320 285 1 hour A193 7.15 (10) 7.07 (25) 6.08 (32)
330 285 1 hour A252 6.78 (10) 6.78 (10) 6.16 (25)
340 285 1 hour A252 6.47 (10) 6.47 (10) 6.20 (25)
350 285 1 hour A252 6.19 (8) 6.19 (10) 6.16 (20)
375 285 1 hour A393 5.57 (8) 5.57 (8) 5.57 (10)
400 285 1 hour A393 5.09 (8) 5.09 (8) 5.09 (8)
305 285 1.5 hour A193 7.65 (25) 7.14 (32) 5.99 (32)
310 285 1.5 hour A193 7.48 (20) 7.20 (32) 6.02 (32)
320 285 1.5 hour A193 7.12 (16) 7.07 (25) 6.08 (32)330 285 1.5 hour A252 6.76 (16) 6.76 (16) 6.14 (32)
340 285 1.5 hour A252 6.47 (12) 6.45 (16) 6.20 (25)
350 285 1.5 hour A252 6.19 (12) 6.17 (16) 6.16 (20)
375 285 1.5 hour A393 5.57 (10) 5.57 (12) 5.56 (16)
400 285 1.5 hour A393 5.09 (10) 5.09 (10) 5.08 (12)
315 285 2 hour A193 7.19 (32) 7.19 (32) 6.05 (32)
320 285 2 hour A193 7.01 (32) 7.01 (32) 6.08 (32)
330 285 2 hour A252 6.71 (25) 6.66 (32) 6.14 (32)
340 285 2 hour A252 6.41 (25) 6.36 (32) 6.18 (32)
350 285 2 hour A252 6.13 (25) 6.13 (25) 6.09 (32)
375 285 2 hour A393 5.54 (20) 5.52 (25) 5.52 (25)
400 285 2 hour A393 5.06 (20) 5.06 (20) 5.05 (25)
Please refer to span parameters. The figures in brackets are rebar sizes, when required.
1Line
1
Line
1Line
Parameters assumed for quickreference span tables
MeshRefer to product specific design notes.
SpansMeasured centre to centre of supports.
DeckStandard deck material specification.
Bearing widthThe width of the support is assumed to be
150 mm for shallow decks.
Prop widthAssumed to be 100 mm.
DeflectionConstruction stage L/130 or 30 mm (ponding
has been taken into account).
DeflectionComposite stage L/350.
Concrete gradeThe concrete is assumed to be Grade 35 with a
maximum aggregate size of 20 mm. The wet
weight of concrete is taken to be normal weight
2400 kg/m3 and lightweight 1900 kg/m3. The
modular ratio is 10 for normal weight and 15 for
lightweight concrete.
Construction load1.5 kN/m2 construction load is taken into
account, in accordance with BS 5950:Part 4.
No allowance is made for heaping of concrete
during the casting operation. See product
specific design notes.Applied loadThe applied load stated in the tables covers
allowable unfactored imposed live load.
Partition loads, finishes, ceilings and services are
not included. However the dead load of the slab
itself has already been taken into account and
need not be considered as part of the applied
load.
Simplified fire design methodThe fire recommendations in the tables are
based on the simplified design method.
Fire engineering methodThe fire engineering (FE) method may be used
to calculate the additional reinforcement
needed for fire, load and span conditionsbeyond the scope of these tables. The FE
method of design is provided in the design CD.
Fire insulationThe minimum slab thickness indicated in each
table, for each fire rating satisfies the fire
insulation requirements of BS 5950:Part 8.
Span/depth ratioSlab span to depth ratio is limited to 30 for
lightweight concrete and 35 for normal weight
concrete.
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