Dimensional Clear Open Frames & Grates
Compare to common Oldcastle SD-12 / SD-13 PNs
Sirius nominal clear opening
Sidewalk Drain
DWG. NO. 236
Spec. # 607
Detail Number DS-46
TYPE "CM" DROP INLET
DWG. NO. 422
TYPE "C-D" MODIFIED "CM2" or "DM2" DROP INLET
DWG. NO. 412.1
Drop Inlet Type 2
Spec. # 609
Detail Number DS-32
Drop Inlet Type 2A
Spec. # 609
Detail Number DS-33
Drop Inlet Type 2B
Spec. # 609
Detail Number DS-34
Drop Inlet Type 3
Spec. # 609
Detail DS-35A / DS-35B
Drop Inlet Type 3A
Spec. # 609
Detail DS-36A / DS-36B
Drop Inlet Type 7
Spec. # 609
Detail Number DS-38
Drop Inlet Type 8
Spec. # 609
Detail Number DS-39