XN000022-1972-09-22 — Page 11

Headroom 16 ft. 9in.

Carriageway 22ft

行車路湖二十二呗

Lighting

Traffic light

路燈

Ground level

AIRPORT TUNNEL ROAD: 機場行車隧道

CROSS-SECTION

切面

Waterproof membrane & protection

防水層

Reinforced concrete

鐵三合土

Ventilation duct.

麻管进

Telephone booth & fire extinguisher

at 200 ft. intervals

(每二百呎一套)

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