Top sheet; Index of Co-ordination riser drawing ; Service corridor riser N1 & N5 plan - 4th-12th storey; Service corridor riser N2 plan - GR.-3rd storey & 4th-12Tth storey; Service corridor riser N3 plan - GR.-3rd storey & 4th-12th storey; Service corridor riser N3 plan - GR.-3rd storey & 4th-12th storey; Service corridor riser S1 & S2 plan - 4th-12th storey; Service corridor riser S3 & S4 plan - 4th-12th storey; Service corridor riser S5 plan - 12th storey ; Service lobby riser C1 part plan - (B3. to roof storey); Service corridor riser C2 plan - ground to 3rd storey & C3 plan - B-3 To 4th storey; Service corridor riser C4 plan - B3 to 4th storey & C5 plan - B-2 to 3rd storey