For CAD dwg and PDF files, scroll down to pattern links in 3 specification tables below.

Pattern       Number/CAD Link Dimensions in Inches Aluminum A x A1 B x B1 C ECD-10HD 30 x 48 39 x 51 64 3/16 ECD-11HD 30 x 54 39 x 57 69 1/16

Pattern       Number/CAD Link Dimensions in Inches Aluminum A x A1 B x B1 C ECD-12HD 36 x 48 45 x 51 68 ECD-13HD 36 x 60 45 x 63 77 7/16 ECD-14HD 42 x 48 51 x 51 72 1/8

Pattern       Number/CAD Link Dimensions in Inches Aluminum A x A1 B x B1 C ECD-15HD 48 x 48 57 x 51 76 1/2 ECD-16HD 48 x 54 57 x 57 80 5/8 ECD-17HD 48 x 72 57 x 75 94 3/16 ECD-18HD 60 x 60 69 x 63 93 7/16 ECD-19HD 48 x 60 57 x 63 84 15/16 ECD-20HD 60 x 72 69 x 75 101 15/16

More Information

• H-20 Heavy Duty Aluminum Hatches (PDF)
• Top Mount Style Aluminum Safety Grate System (PDF)
• Pneu-Spring Technology (PDF)
• Top Mount Replacement/Retrofit Hatches (PDF)

Complete list of hatches

• View Images of all Hatch Models »

• Pedestrian Rated 300 PSF, Channel Frame, Weather Tight Access Hatch
  • Model DT-AOSG, Safety Grate »
  • Model DTD-AOSG, Safety Grate (double leaf) »
  • Model CH »
  • Model CHD (double leaf) »
  • Model LDT »
  • Model LDTD (double leaf) »

• Pedestrian Rated 300 PSF, Angle Frame, Non Weather Tight Access Hatch
  • Model LEC-AOSG, Safety Grate »
  • Model LECD-AOSG, Safety Grate (double leaf) »
  • Model LEC »
  • Model LECD (double leaf) »

• Heavy Duty H-20, Channel Frame, Weather Tight Access Hatch
  • Model DT-HD-AOSG, Safety Grate »
  • Model DTD-HD-AOSG, Safety Grate (double leaf) »
  • Model DT-HD »
  • Model DTD-HD (double leaf) »

• Heavy Duty H-20, Angle Frame, Non Weather Tight Access Hatch
  • Model EC-HD-AOSG, Safety Grate »
  • Model ECD-HD-AOSG, Safety Grate (double leaf) »
  • Model EC-HD »
  • Model ECD-HD (double leaf) »

• Hatch Options »