Tunnels

6′ Single Level	Sq. Ft.	Kit Price $
6 x 6 DOE	36	Prices Range from $2,420 to $5,880
6 x 12 DOE	72
6 x 18 DOE	108
6 x 6 ext.	36	$1,680

12′ Single Level	Sq. Ft.	Kit Price $
12 x 6 DOE	72	Prices Range from $3,880 to $8,295
12 x 12 DOE	144
12 x 18 DOE	216
12 x 6 ext.	72	$2,205

13′ Two Level	Sq. Ft.	Kit Price $
13 x 6 DOE	144	Prices Range from $7,245 to $12,705
13 x 12 DOE	288
13 x 18 DOE	432
13 x 6 ext.	144	$2,730

19′ Two Level	Sq. Ft.	Kit Price $
19 x 6 DOE	216	Prices Range from $8,295 to $17,010
19 x 12 DOE	432
19 x 18 DOE	648
19 x 6 ext.	216	$4,410

24′ Two Level	Sq. Ft.	Kit Price $
24 x 6 DOE	288	Prices Range from $9,240 to $19,005
24 x 12 DOE	576
24 x 18 DOE	864
24 x 6 ext.	288	$4,935

6′ extensions may be added on to any model as necessary to achieve desired square footage.

All drawings are not to scale. Dimensions are nominal. Prices are subject to change without notice.