|  | E |
SECTION E — FIXED CONSTRUCTIONS

BUILDING

|  | E01 |
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

|  | E01G |
DESIGN OF TUNNELS OR GALLERIES; CONSTRUCTING TUNNELS OR GALLERIES BY MEANS NOT INVOLVING BORING OPERATIONS (constructing tunnels or galleries involving boring operations Fulltext... Hierarchy... Expanded...E21D; safety devices, transport, filling-up, rescue, ventilation or drainage in or of tunnels Fulltext... Hierarchy... Expanded...E21F)

|  | E01G 1/00 |
Design or layout of tunnels or galleries (conduits Fulltext... Hierarchy... Expanded...E02B 9/06)

|  | E01G 3/00 |
( transferred to Fulltext... Hierarchy... Expanded...E01G 4/00, Fulltext... Hierarchy... Expanded...E21D )

|  | E01G 4/00 |
Constructing tunnels or galleries by means not involving boring operations [2]

|  | E01G 4/02 |
· | by building in open excavations (making excavations or subsequently filling-in Fulltext... Hierarchy... Expanded...E02D) [2]

|  | E01G 4/04 |
· | by making use of prefabricated elements laid or sunk in water [2]

|  | E01G 5/00 |
( transferred to Fulltext... Hierarchy... Expanded...E21D )

|  | E01G 7/00 |
( transferred to Fulltext... Hierarchy... Expanded...E21F )