leaf, including interior and exterior coverings.
Where electrical trolley duct is required between
leaves, provide additional 150 mm 6 inches of
clearance. Where cable system is required between
leaves, provide additional 25 mm one inch of
clearance.
4. Location and type of personnel doors. Do not
locate personnel doors between wheels and edge of
hangar door leaf. Exact location to be determined
by structural design of door leaf.
5.
Location of bumpers and pulls.
6. That wheels will be required. Type, size, and
number should not be shown since size and weight of
doors will determine these.
7. Wind loads on both sides of doors and positive
and negative deflection of top guides due to live
loads.
8. Details of expansion joints in rails and top
guides where building expansion joints occur.
9. Electrical service for motor operators,
preferably 460 volts, 3-phase, 60-hertz, and
location of power supply disconnect.
10.
Festooned or draped cables or cable reels.
11. Access for installation, maintenance, and
replacement of top rollers if hangar requires
floating top rollers.
12. Door pockets: Minimum of 450 mm 18 inches for
doors up to 300 mm 12 inchesthick, 800 mm 32 inches
for doors more than 300 mm 12 inches thick, should
be allowed from center line of power leaf rail to
farthest projection of interior wall of door pocket
to accommodate operators and provide access.
13. Dimensions and details of tail doors, if
required.
14. Minimum clearance of 100 mm 4 inches between
extreme faces of adjacent leaves in vicinity of
interconnecting cables to allow sufficient space for
cable sheaves and cable pickup.
15. Clearance of 100 mm 4 inches between metal
parts on vertical edges of leaves and between leaves
and jambs which are weather-stripped.
16. Pocket depth, equal to width of widest door
leaf, plus 900 mm 3 feet net clearance for cable
sheave brackets extending beyond trailing edge of
leaves.
SECTION 08342
Page 4
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