6. |
Works done by
subcontractor
|
: |
An mount of 132,50 m2 tunneling
excavations, pre entrenchments (anchorage bolts, shoring and
concreteshotcreting), mat and geo-textile membrane
coatings,drainage and installation of pipes, tunnel final
coatingconcretes, concrete
ano
seam fillings (rubber filings),duct-bank
concretes, path concretes, installing of newjerseybarriers,
asphalt coating of roads sub foundation and foudation of
material
|
7. |
Construction Techniques Used |
: |
Conventionel tunnel digging method, scrapping with jumbo,
with exploding and pre intrenchmented whole sectioned tunnel
scraping, tunnel final coating concretes with active (hydrolic
system) steel mould |