Culvert A

Item Description

Item Description Cost
a) Supply and install precast concrete box culverts $176,474.03
b) Supply and install asphaltic waterproofing membrane $2,988.00
c) Supply and install 0.2m thick granular bed $1,580.47
d) Supply and install headwalls at culvert ends including SSP $126,944.96
e) Supply and place precast concrete block walls $6,432.00
f) Suppy and place granular 'A' on top of culverts $2,123.94
g) Supply and install 100mm dia. drain tile with filter sock $989.62
h) Supply and install chain link fence on block walls $7,572.74

Culvert A Subtotal =

325,105.76

Culvert B

Item Description Cost
a) Supply and install precast concrete box culverts $110,882.59
b) Supply and install asphaltic waterproofing membrane $1,992.00
c) Supply and install 0.2m thick granular bed $1,053.65
d) Supply and install headwalls at culvert ends including steel $168,855.56
e) Supply and place precast concrete block walls $15,168.00
f) Suppy and place granular 'A' on top of culverts $1,415.96
g) Supply and install 100mm dia. drain tile with filter sock $659.74
h) Supply and install chain link fence on block walls $7,572.74

Culvert B Subtotal $ 307,600.24

Culvert Works Subtotal = $ 632,706.00

8.4 Jetty Works

Item Description Cost
a) Construct rock Jetty at the south side of drain outlet $194,090.96
b) Supply, install and moor DSS Marine Buoy at jetty $2,199.50

196,290.46

Jetty Works Subtotal =