Code No.			Minimum Size					Maximum Size
SP - 3000			1950 mm					3000 mm
SP - 4150			2450 mm					4150 mm
SP - 5350			3100 mm					5350 mm.
		Total Load		Permissible Clear Spans for  centre line spacing
Slab	Weight	including
	Slab based	180 Kg/SQ.
Thickness	on 2400 Kg	MIs. For		X	300 mm	450 mm	600  mm		800 mm	900 mm	1200  mm
mm	per Cub Mtr	forms and live load
				••	mm	mm	mm		mm	mm	mm
100	240	420		, .	8050	6550	5690		5000	4650	4010
115	276	456		•	7800	6400	5510		4750	4470	3590
125	300	480			7570	6200	5330		4650	4340	3750
140	336	516		••	7310	5970	5160		4500	4190	3630
150	360	540			7110	5790	5000		4350	4090	3560
165	396	576			6880	5660	4870		4250	3960	3430
180	432	612			6730	5490	4750		4100	3890	3350
190	456	636			6550	5380	4620		4050	3780	3280
200	480	660			6400	5230	4520		3950	3680	3200