TNAG-1174-FCO40-1476-Proposed-replacement-airport-for-Hong-Kong-at-Deep-Bay-or-Ch-1982 — Page 139

TABLE 8-6

ORDER OF MAGNITUDE COST ESTIMATE

CONFIDENTIAL

Unit

Total Cost

Cost Item

Quantity

Unit

Cost

(HK$ in '000)

SITE PREPARATION

(1)

Mobilization and Demobilization

Lsa

70,279

(2) Clear and Grub (borrow area)

Lsa

2,000

(3) Excavation

Rock (drill and blast)

27,898

m3

26.02

725,906

Soil & Rippable rock

56,540

3

m

11.51

650,775

Marine deposit (dredged)

32,482

3

m

18.63b

605,140

(4) Embankment

Quarry run

32,270

m3

5.76

185,875

Armor and underlayers

4,834

m3

15.59

75,362

Select fill

37,316

3

m

4.39

163,817

Bedding layer

16,397

3

m

2.27

Marine Sand

47,763

m

30-100C

Subtotal Site Preparation (Range)

37,221

1,432,890

to 4,776,300

3,949,265

to 7,292,675

aLs

=

lump sum

b = disposal within 40km

C

=

range of unit prices

8-8

CONFIDENTIAL