For CAD dwg and PDF files, scroll down to pattern links in specifications table below.

Pattern	Unobstructed
Number/CAD Link	Clear Opening	Dimensions in Inches		Height	Diagonal
Aluminum	O x O1	A x A1	B x B1	C	D
LECD-10AOSG	30 x 48	30 x 55	36 x 57 1/2	2 9/16	67 13/16
LECD-11AOSG	30 x 54	30 x 61	36 x 63 1/2	2 9/16	73
LECD-12AOSG	36 x 48	36 x 55	42 x 57 1/2	2 9/16	71 3/16
LECD-13AOSG	36 x 60	36 x 67	42 x 69 1/2	2 9/16	81 3/16
LECD-14AOSG	42 x 48	42 x 55	48 x 57 1/2	2 9/16	74 7/8
LECD-15AOSG	48 x 48	48 x 56	54 x 58 1/2	2 9/16	79 5/8
LECD-16AOSG	48 x 54	48 x 62	54 x 64 1/2	2 9/16	84 1/8
LECD-17AOSG	48 x 72	48 x 81	54 x 83 1/2	2 9/16	99 7/16
LECD-18AOSG	60 x 60	60 x 69	66 x 71 1/2	2 9/16	97 5/16
LECD-19AOSG	48 x 60	48 x 68	54 x 70 1/2	2 9/16	88 13/16
LECD-20AOSG	60 x 72	60 x 81	66 x 83 1/2	2 9/16	106 7/16

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 »