attachment 10 ghd - city of coffs harbour · thick (180g/sqm) 1,600 m2 $ 3.58 $ 5,733 - 4.3...

GHDClient : CHCCTitle : Boambee Newport Floodplain Risk Management PlanJob No : 22-16407

www.ghd.com.au [email protected]

Tel. +61 2 6650 5600 Fax. +61 2 6650 5601230 Harbour Drive, Coffs Harbour

Boambee Newport Floodplain Risk Management Plan

Mitigation Options

NOTE: The preliminary cost estimates presented in this section have been developed solely for the purpose of comparing and evaluating competing options. They are sufficiently accurate to serve this purpose. They cannot be used for budget-setting purposes as common elements between options may have been omitted and/or the works not fully scoped. A functional design is recommended if a budget

estimate is required.

SCHEDULE OF ESTIMATED QUANTITIESPAY ITEM DESCRIPTION OF WORK QTY UNIT RATE AMOUNT NOTES

1 Preliminaries1.1 Establishment 1 item 11,000.00$ $ 11,000 Allowance only1.2 Erosion and sediment control 1 item 11,000.00$ $ 11,000 Allowance only1.3 Traffic control 1 item 11,000.00$ $ 11,000 Allowance only

SUBTOTAL $ 33,000 2 Channel Upstream of North Boambee Road (~100m)2.1 Clear site of vegetation - light vegetation, over 500m2 800 m2 $ 0.48 $ 382 -2.2 Excavate over site to reduce levels in clay 265 m3 $ 30.18 $ 7,997 -2.3 Fill with topsoil 800 m3 $ 75.41 $ 60,330 -

2.4Geotextile Fabric - non woven polypropylene/ polyethylene 1.9mm thick (180g/sqm) 800 m2 $ 3.58 $ 2,867 -

2.5 Landscaping - hydro mulch sprayed grass seed 0.08 ha $ 3,469.14 $ 274 -SUBTOTAL $ 71,850

3 North Boambee Road Culverts and pavement (~25m)3.1 Demolition - break up and remove bitumen paving 250 m2 $ 3.75 $ 937 Disposal extra3.2 Demolition - cut away reinforced concrete walls 15 m3 $ 562.11 $ 8,432 Disposal extra3.3 Excavate over site to reduce levels in clay 400 m3 $ 30.18 $ 12,071 -

3.4Box Culvert - Supply, deliver, lay and join 2.4m (span) x 1.8m (height) box culvert 18 each $ 1,160.16 $ 20,883 includes access hole

3.5Headwall - Cast in-situ reinforced concrete to suit pipe/culvert; includes excavation 15 m3 $ 522.54 $ 7,838 -

3.6 Handrail - CHS 75mm attached to wall 24 m $ 217.82 $ 5,228 -

3.7

Pavement - Asphalt; 40mm AC10 wearing course, 175mm basecourse (1 layer AC10 over 2 layers AC20), 195mm sub-base lean mix, 7mm primer seal, 300mm select material CBR>15% 240 m2 $ 197.24 $ 47,338 -

3.8Kerb and gutter - Cast in-situ with reinforcement, formwork and surface finishes 24 m $ 164.42 $ 3,946 -

3.9lifting of existing road formation for approx. 40m of road each side of culvert and reconstruction of road formation (inc. K&G, line Marking) 1 each $ 75,000.00 $ 75,000 allowance only

3.10 reconnect existing services 1 each $ 10,000.00 $ 10,000 allowance onlySUBTOTAL $ 191,672

4 Channel Downstream of North Boambee Road (~170m)4.1 Excavate over site to reduce levels in clay 1,000 m3 $ 30.18 $ 30,177 -

4.2Geotextile Fabric - non woven polypropylene/ polyethylene 1.9mm thick (180g/sqm) 1,600 m2 $ 3.58 $ 5,733 -

4.3 Landscaping - hydro mulch sprayed grass seed 0.16 ha $ 3,469.14 $ 555 -SUBTOTAL $ 36,466

5 New culverts and channel paralell to highway (~300)

5.1Box Culvert - Supply, deliver, lay and join 1.8m (span) x 0.9m (height) box culvert 9 each $ 1,160.16 $ 10,441 includes access hole

5.2Headwall - Cast in-situ reinforced concrete to suit pipe/culvert; includes excavation 12 m3 $ 522.54 $ 6,270 -

5.3 Handrail - CHS 75mm attached to wall 12 m $ 217.82 $ 2,614 -5.4 Excavate over site to reduce levels in clay 1,850 m3 $ 30.18 $ 55,828 -

5.5Geotextile Fabric - non woven polypropylene/ polyethylene 1.9mm thick (180g/sqm) 2,600 m2 $ 3.58 $ 9,317 -

5.6 Landscaping - hydro mulch sprayed grass seed 0.26 ha $ 3,469.14 $ 902 -5.7 re-instate road access from highway 1 each $ 10,000.00 $ 10,000 allowance only

SUBTOTAL $ 95,373

SUBTOTAL ITEMS 1-3 $ 428,360 4 Supervision, Project Management & Contractor On-Costs

4.1 Supervision, Project Management & Contractor On-Costs (20%) 20 % - $ 85,672 -SUBTOTAL $ 85,672

5 Contingencies5.1 Contingencies - General (30%) 30 % - $ 128,508 -

SUBTOTAL $ 128,508 TOTAL (Ex-GST) $ 642,540

Option PC27Widening of North Boambee Road drain, remove and replace culverts under North Boambee Road, reconstruct low point in North Boambee Road,

regrade swale drain around corner of North Boambee Road and Pacific Highway, construct colverts under Good Guys access ramp, construct swale drain channel from access ramp to Newports Creek

8N:\AU\Coffs Harbour\Projects\22\16407\Technical\Flood Damages\Concept Costings\Updated Construction Cost Estimate - MASTER2.xlsm

of 1

11/05/2015 2:29 PM

Attachment 10

CH 0.000 m

CH 20.000 m

CH 40.000 m

CH 60.000 m

CH 80.000 m

CH 100.000 m

CH 120.000 m

CH 140.000 m

CH 160.000 m

CH 180.000 m

CH 200.000 m

CH 220.000 m

CH 240.000 m

CH 260.000 m

CH 280.000 m

CH 300.000 m

CH 320.000 m

CH 340.000 m

CH 360.000 m

CH 380.000 m

CH 400.000 m

CH 42 0.00 0 m

CH 440 .000 m

CH 46 0. 000 m

CH 480.000 m

CH 500. 000 m

CH 520.000 m

CH 540.000 m

CH 56 0. 000 m

CH 580.000 m

CH 594.990 m

Job NumberRevision

FigureDate

230 Harbour Drive Coffs Harbour NSW 2450 Australia T 61 2 6650 5600 F 61 2 6650 5601 E [email protected] W www.ghd.comN:\AU\Coffs Harbour\Projects\22\16407\CADD\Drawings\22-16407-FIG NBR.dwgCad File No:11 May 2015 - 2:32 PMPlot Date: Sam DouglasPlotted by:

P27.1

COFFS HARBOUR CITY COUNCILBOAMBEE NEWPORTS CREEKFLOODPLAIN RISK MANAGEMENT STUDY AND PLANMITIGATION OPTIONNORTH BOAMBEE ROAD WORKS PLAN

22-16407AMAY 2015

REGRADE CHANNEL FROM LAKES ESTATETO CULVERT HEADWALL

PROVIDE SCOUR PROTECTIONAT NEWPORTS CREEK OUTFALL

EXCAVATE CHANNEL FROM OFF-RAMPTO NEWPPORTS CREEK

REGRADE CHANNEL BETWEEN NORTH BOAMBEE ROADAND DISCHARGE UNDER PACIFIC HIGHWAY

REMOVE EXISTING PIPE CROSSING UNDERNORTH BOAMBEE ROAD AND REPLACEWITH 2 X 2.4m X 1.8m RCBC @ INVERT 3.7 mAHD.

LIFT ROAD PAVEMENT AT SAG TO 5.7mAHD AND TIE INTO EXISTING

PROVIDE 3 X 1.8m X 0.9mRCBC UNDER ACCESS ATRL = 5.00 mAHD

1 in 2 1% 1% 1 in 2

PROPOSED CHANNEL ALIGNMENTSCALE 1:2000

6m

TYPICAL CHANNEL SECTION

MATCH INTO EXISTING LEVELS AT HEADWALLUNDER PACIFIC HIGHWAY

Attachment 10

Job NumberRevision

FigureDate

230 Harbour Drive Coffs Harbour NSW 2450 Australia T 61 2 6650 5600 F 61 2 6650 5601 E [email protected] W www.ghd.comN:\AU\Coffs Harbour\Projects\22\16407\CADD\Drawings\22-16407-FIG NBR.dwgCad File No:11 May 2015 - 2:25 PMPlot Date: Sam DouglasPlotted by:

P27.2

COFFS HARBOUR CITY COUNCILBOAMBEE NEWPORTS CREEKFLOODPLAIN RISK MANAGEMENT STUDY AND PLANMITIGATION OPTIONNORTH BOAMBEE ROAD LONGSECTION

22-16407AMAY 2015

IP CH

106.2

5 RL 3

.69

IP CH

304.1

RL 3.3

IP CH

306.5

RL 5

VERTICAL ALIGNMENTL=81.97m L=29.28m L=168.57m L=2.4m L=288.5m

G=-1.09% G=-0.2% G=-0.2% G=70.95% G=-0.26%

R=5.00m R=-5.00m R=12.50m R=-30.00m R=-20.00mR=10.00m R=-350.00mR=-10.00m

HORIZONTAL ALIGNMENT L=207.81mL=107.76mL=20.60m

L=46.66m L=28.28m L=32.47m L=34.29m L=18.52m

0.00

5.41

20.00

4.75

40.00

4.409

-0.29

4.70

60.00

4.192

-0.07

4.26

80.00

3.975

-0.63

4.61

100.00

3.758

-0.42

4.17

106.25

3.690

-0.00

3.69

107.76

3.687

-0.00

3.69

114.31

3.673

-0.70

4.38

120.00

3.662

-1.84

5.50

135.53

3.630

-0.00

3.63

139.26

3.623

-0.79

4.41

144.40

3.613

-0.40

4.01

160.00

3.582

-0.76

4.34

180.00

3.543

-0.80

4.34

195.35

3.513

-0.85

4.36

200.00

3.504

-0.78

4.29

217.92

3.469

-0.80

4.27

220.00

3.465

-0.82

4.28

240.00

3.425

-0.89

4.31

246.20

3.413

-0.79

4.20

248.63

3.409

-0.83

4.24

260.00

3.386

-0.80

4.19

280.00

3.347

-0.81

4.16

281.10

3.345

-0.81

4.16

294.66

3.318

-0.78

4.09

296.03

3.316

-0.05

3.36

300.00

3.308

-0.01

3.32

303.89

3.300

-0.02

3.32

306.50

5.000

-0.10

5.10

320.00

4.965

-1.31

6.27

340.00

4.913

-0.48

5.39

359.01

4.863

-0.83

5.69

380.00

4.809

-0.87

5.68

400.00

4.757

-0.89

5.64

420.00

4.705

-1.13

5.84

440.00

4.653

-1.14

5.79

460.00

4.601

-0.85

5.45

480.00

4.549

-0.92

5.47

500.00

4.497

-0.98

5.48

520.00

4.445

-0.91

5.35

540.00

4.393

-0.82

5.22

560.00

4.341

-0.92

5.26

566.82

4.323

-0.89

5.21

580.00

4.289

-0.77

5.06

585.35

4.275

-0.67

4.94

590.25

4.262

-0.63

4.89

CHAINAGE

DESIGN SURFACE LEVEL

LEVEL DIFFERENCECUT - / FILL +

EXISTING SURFACE LEVEL

DATUM RL. 0.00

LONGITUDINAL SECTION - CLHORZ 1:2000 VERT 1:200

NORTH BOAMBEE ROADPACIFIC HIGHWAY OFF-RAMPTO GOOD GUYS NEWPORTS

CREEKLAKES ESTATE

Attachment 10

230 Harbour Drive Coffs Harbour NSW 2450 Australia T 61 2 6650 5600 F 61 2 6652 6021 E [email protected] W www.ghd.com

ELSW

ICK P

LACE

MANSBRIDGE DRIVE

NORTH BOAMBEE ROAD

COOK DRIVE

PACIFIC HIGHWAY

O'KEEFE DRIVE

FRASER DRIVE

KEONA CIRCUIT

NEWPORTS CREEK

NEWPORTS CREEK

509,000

509,000

G:\22\16407\GIS\Maps\Deliverables\22_16407_F_P_27_3_005yr_NBR_Diff_Rev_A.mxd© 2015. Whilst every care has been taken to prepare this map, GHD (and LPI) make no representations or warranties about its accuracy, reliability, completeness or suitability for any particular purpose and cannot accept liability and responsibility of any kind (whether in contract, tort or otherwise) for any expenses, losses, damages and/or costs (including indirect or consequential damage) which are or may be incurred by any party as a result of the map being inaccurate, incomplete or unsuitable in any way and for any reason.

0 25 50 75 10012.5

MetresMap Projection: Transverse Mercator

Horizontal Datum: GDA 1994Grid: GDA 1994 MGA Zone 56

Coffs Harbour City CouncilBoambee newports CreekFloodplain Risk Management StudyExisting vs P27

Appendix F.P27.3

Job NumberRevision A

22-16407

31 Jul 2015

20% AEPo Date

Data source: LPI (2012), LPI Lot Boundaries, 2012. Created by:sldouglas

DRAFTPaper Size A3

ClientLogo

LegendChange in Flood Level(mm)

> -500mm-500mm - -400mm

-400mm - -300mm

-300mm - -200mm

-200mm - -100mm-100mm - -50mm-50mm - -25mm

-25mm - +25mm

+25mm - +50mm+50mm - +100mm+100mm - +200mm

+200mm - +300mm

+300mm - +400mm+400mm - +500mm> +500mm

No Longer Flooded

Attachment 10


ELSW

ICK P

LACE

MANSBRIDGE DRIVE

NORTH BOAMBEE ROAD

COOK DRIVE

PACIFIC HIGHWAY

O'KEEFE DRIVE

FRASER DRIVE

KEONA CIRCUIT

NEWPORTS CREEK

NEWPORTS CREEK

509,000

509,000


0 25 50 75 10012.5




Appendix F.P27.4


22-16407

31 Jul 2015

5% AEPo Date


DRAFTPaper Size A3

ClientLogo


> -500mm-500mm - -400mm

-400mm - -300mm

-300mm - -200mm

-200mm - -100mm-100mm - -50mm-50mm - -25mm

-25mm - +25mm

+25mm - +50mm+50mm - +100mm+100mm - +200mm

+200mm - +300mm

+300mm - +400mm+400mm - +500mm> +500mm

No Longer Flooded

Attachment 10


ELSW

ICK P

LACE

MANSBRIDGE DRIVE

NORTH BOAMBEE ROAD

COOK DRIVE

PACIFIC HIGHWAY

O'KEEFE DRIVE

FRASER DRIVE

KEONA CIRCUIT

NEWPORTS CREEK

NEWPORTS CREEK

509,000

509,000


0 25 50 75 10012.5




Appendix F.P27.5


22-16407

31 Jul 2015

1% AEPo Date


DRAFTPaper Size A3

ClientLogo


> -500mm-500mm - -400mm

-400mm - -300mm

-300mm - -200mm

-200mm - -100mm-100mm - -50mm-50mm - -25mm

-25mm - +25mm

+25mm - +50mm+50mm - +100mm+100mm - +200mm

+200mm - +300mm

+300mm - +400mm+400mm - +500mm> +500mm

No Longer Flooded

Attachment 10

This document is in draft form. The contents, including any opinions, conclusions or recommendations contained in, or which may be implied from, this draft document must not be relied upon. GHD reserves the right, at any time, without notice, to modify or retract any part or all of the draft document. To the maximum extent permitted by law, GHD disclaims any responsibility or liability arising from or in connection with this draft document.

GHD | Report for Coffs Harbour City Council - Boambee Newports Creek Floodplain Risk Management Study and Plan,

22/16407

Appendix G Mitigated Flood Mapping (Option PC25)

Attachment 10


4 m4 m

3.4 m

4.2 m

4.2 m

4.2 m

3.4 m

3.2m

4m

3.4m

4 m 3.6 m4.2 m

3.6 m

3.8 mAVON RISE

CARTEN CLOSE

SAND

STRE

ET

COLAC TERRA CE

COLL

ISONP

LACE

ELSW

ICK P

LACE

FLEMING CLOSE

MORRISON CLOSE

EELEY CLOSE

BURRIDGE AVENUE

MATHIE STREET

ENGI

NEER

ING

DRIVE

FER A

NCR

ESCE

NT

STADIUMDRIVE

CORN

ISH ST

REET

FORG

E DRI

VE

ROBERT GARRETT STREET

WING

ARA

DRIVE

PHIL HAWTHORNE DRIVE

COOK DRIVE

NORTH BOAMBEE ROAD

ENGLANDS ROAD

ISLES DRIVE

REID DRIVE

HOGBIN DRIVE

PACIF

ICHIG

HWAY

WALLACE CIRCUIT

MENINDEE CIRCUIT

MAWSON CLOSE

LOUD

ENCL

OSE

RAYMCCARTHY DRIVE

LAKES DRIVE

HURL

EY D

RIVE

O'KEEFE DRIVE

INDUSTRIAL DRIVE

4.6 m

6 m

6.4 m

3.4 m

5.2 m

6.2 m

3.6 m

3.6 m

4 m

8.6 m

3.6 m

6 m

4 m

8.4 m

6 m

6 m

2.8 m

3.2 m

7.8 m

3 m

3.8 m

4.2 m

7 m

4.4 m

3.2 m

6 m

3.4 m

3.2 m4.8 m

3.2 m

6 m

3.8 m

3.6 m

4 m

7.6 m

8 m

3 m

3.6 m

3 m

6 m

3.4 m

7 m

6.2 m

3.2 m

3.2 m

3.6 m

3.4 m

3.2 m

7 m

6.4 m

5.4 m

3.6 m

3.8 m

3 m

6.6 m

4 m

3.2 m

3.6 m

5 m

6 m

8.8 m

4 m

3 m

7 m

5.8 m

4 m

4.6 m

3 m6.2

m

3.4 m

6.8 m

5 m6.2 m

7.2 m

3m5.8 m

3.2 m

6.2 m

3.4 m

4.6 m

5.8 m

4.6 m

7.6 m

5.2 m 3m

5.2 m 3.2

m

4.8 m

3.4 m

7.2 m

4.8 m

5.6 m

6.6 m

6.4 m

6.2 m

5.8m7.8m

6.6 m

5.6m

4.2m

3m

6.4m

4 m

7 m

8.2 m

8.4m

4 m

3.2 m5.8m

4.2m

3.4m

3.8m

3 m

4.4m

6.2 m

3.8 m

5.8m

3.8m

3.6 m

7.2m

6m

5.2 m

6.4 m

7 m

9 m

6 m

8.2m

6.2 m

7 m

5 m

6.8 m

4.8 m

4.8m

8.4 m

3.4 m

6.4 m

5.4 m

7 m

7.2 m

8.6m

6.2 m

5.6 m

3m

4.2 m

3.8 m

5 m

5.6 m

3.4 m

7.8 m

3.2 m

7.2 m

6.6 m

3 m

4.6 m

7.4 m

4 m

7.2 m

8.8 m

4.6 m

5.2 m

6.8 m

4.4 m

6 m

5.4 m

3.8 m

5.2 m

7 m

7.4 m

8 m

6.8 m

7 m

3.6 m

6.8 m 7.8 m 6.8 m

7.4 m

5.8 m8 m

6.4 m

8.4 m

3 m

3 m

7.8 m

6.6 m

4 m

7.4 m8.2 m

3.8 m

6 m

7.6 m

3.4 m

3.2 m

3.6 m

NEWPORTS CREEK

508,000

508,000

509,000

509,000

510,000

510,000

6,646,

000

6,646,

000

6,647,

000

6,647,

000

G:\22\16407\GIS\Maps\Deliverables\22_16407_G_F_1_6_PC25_100yr_Flood_Extent_and_Depth_RevA.mxd© 2015. Whilst every care has been taken to prepare this map, GHD (and LPI) make no representations or warranties about its accuracy, reliability, completeness or suitability for any particular purpose and cannot accept liability and responsibility of any kind (whether in contract, tort or otherwise) for any expenses, losses, damages and/or costs (including indirect or consequential damage) which are or may be incurred by any party as a result of the map being inaccurate, incomplete or unsuitable in any way and for any reason.

0 75 150 225 30037.5



Coffs Harbour City CouncilBoambee newports CreekFloodplain Risk Management StudyFlood Extent and Depth

Appendix G.F.1


22-16407

01 May 2015

PC25 - 1% AEPo Date


DRAFT

Paper Size A3

ClientLogo

1Flood Depth (m)0.00 - 0.050.05 - 0.150.15 - 0.50

0.50 - 1.001.00 - 1.501.50 - 2.002.00 - 3.00

3.00 - 4.004.00 - 5.00> 5.00mFlood Level (mAHD)

Attachment 10


ISLES DRIVE

HURLEY DRIVE

DAKOTA DRIVE

NORTH BOAMBEE ROAD

FELLOWSHIP DRIVE

WING

ARA

DRIVE

REID DRIVE

COOK DRIVE


STADIUM DRIVE

DOUGKN

IGHT DRIVE

PACIF

ICHIG

HWAY

AVIATION DRIVE

HOGBIN DRIVE

AIRPORT DRIVE

O'KEEFE DRIVE

6.4 m

3.4 m

6.2 m

3.6 m

4 m

3.6 m

6 m

4 m

6 m

2.8 m

3.2 m

3 m

4.2 m

4.4 m

3.2 m

6 m

3.4 m

3.2 m4.8 m

3.2 m

6 m

3.8 m

3.6 m

4 m

5 m

3 m

3 m

6 m

3.4 m

3.2 m

3.2 m

3.6 m

3.4 m

3.2 m

6.4 m

3.6 m

3.8 m

3 m

6.6 m

4 m

3.2 m

3.6 m

5 m

6 m

4 m

3 m

5.8 m

4.6 m

3 m

6.2 m

3.4 m

5 m6.2 m

3m

5.8 m

3.2 m

3.4 m

4.6 m

3 m

5.2 m 3m

5.2 m 3.2

m

4.8 m

3.4 m

4.8 m

2.4 m

5.6 m

6.4 m

5.8m

4.2m

3m

4 m4 m

3.2 m

4.2m

3.4m

3.8m

3 m

6.2 m

4.4m

6.2 m

3.8 m

5.8m

3.8m

3.6 m

6m

5 m

4.8 m

4.8m

3.4 m

5.4 m5.6 m

3m

4.2 m

5 m

5.6 m

3.4 m

3.2 m

3 m

4.6 m

4 m

4.4 m

6 m

3.8 m

5.2 m

3.6 m

5.8 m

3 m

6 m

3 m

3.4 m

3.2 m

NEWPORTS CREEK

509,000

509,000

510,000

510,000

511,000

511,000

6,645,

000

6,645,

000

6,646,

000

6,646,

000


0 75 150 225 30037.5




Appendix G.F.2


22-16407

01 May 2015

PC25 - 1% AEPo Date


DRAFT

Paper Size A3

ClientLogo

2Flood Depth (m)

0.00 - 0.050.05 - 0.150.15 - 0.50

0.50 - 1.001.00 - 1.501.50 - 2.002.00 - 3.00


Attachment 10


2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.6 m2.8 m

2.6 m

2.8 m2.8 m

2.8 m

2.8 m

2.6 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8m

2.8 m

2.8 m

2.8 m

2.8 m

2.8m

2.8 m

2.8m

2.8m

2.8m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

BALDW I NCL

OSE

PAYN

ECLO

SE

LEE COURT

CRAF

T CLO

SE

BETE

LPALMCLOSE

FORTITUDE PLACE

HAMI

LTON

DRIVE

PACI

FIC H

IGHW

AY

HI-TECH DRIVE

SAWTELL ROAD LAMB

ERTS

ROAD

HOGB

IN DR

IVE

PEPPERMANROAD

DUNLOP DRIVE

WOR LANDDR

IVE

BOAMBEE CREEK

NEWPORTS CREEK

508,000

508,000

509,000

509,000

510,000

510,000

6,644,

000

6,644,

000

6,645,

000

6,645,

000


0 75 150 225 30037.5




Appendix G.F.3


22-16407

01 May 2015

PC25 - 1% AEPo Date


DRAFT

Paper Size A3

ClientLogo3

Flood Depth (m)0.00 - 0.050.05 - 0.150.15 - 0.50

0.50 - 1.001.00 - 1.501.50 - 2.002.00 - 3.00


Attachment 10


2.6 m

2.6 m

2.6 m

3.2 m

2.4 m

2.6 m3.2 m

2.6 m

2.6 m

2.6 m

2.6 m

2.6 m

2.6 m

2.4 m

2.6 m

3.2 m

3.2 m

2.4 m

2.6 m

2.6 m

2.6 m

3.2 m

2.6 m

2.8 m2.6 m

2.6 m

RANKIN CLOSE

MAKINSON CLOSE

ROBY

PLAC

E

TEAL PLACE

JEFFRESS PLACE

BETE

LPALM

CLOSE

MINORCA PLACE

WO RLAND DRIVE

IBIS DRIVE

WALC

O DRIVE

WONGA

CLOSE

MARI

AN PL

ACE

EUNGELLA STREET

REX HARDAKER LANE

TWENTY-FIFTH AVENUE

JANE CIRCUIT

BELBOWRIE ROAD

HERON PLACEKINTORIE CRESCENT

BARDSLEY CRESCENT

KINCHE

LA

AVENUE

PEPP

ERMA

NR O

AD

FIRST AVENUELADY BELMORE DRIVE

CORR

IGAN AV

ENUE

JEMALO

NGCRESCENT

CRAF

T CL

OSE

BANGALEE CRESCENT

LALAGULI DRIVE

COORABIN CRESCENT

BARCOO COURT

ARMSTRONG ROAD

LINDEN AVENUE

TOORMINAROAD

NARIAH CRESCENT

AMAR

OOCR

ESCE

NT

MINORIE DRIVE

HOGB

INDR

IVE

SAWTELL ROAD

KINGP ARROT DRIVEPL

OVER

PLACE

BUTTERFLY CLOSE

NOOMBA STREET

CU

RLEW CRESCENT

CORA

MBAR

A CRE

SCEN

T

WERA

MBIE

STRE

ET

WIRR

ABILL

A DRIV

E

WY BALEN

ACR

ESCE

NT

ALLE

ENA

DRIVE

SUNB

IRDCRESCENT

SEA EA

GLE

DRIVE

HI-TE

CHDR

IVE

CAVA

NBA

ROAD

BOAMBEE CREEK

508,000

508,000

509,000

509,000

510,000

510,000

6,642,

000

6,642,

000

6,643,

000

6,643,

000


0 75 150 225 30037.5




Appendix G.F.4


22-16407

01 May 2015

PC25 - 1% AEPo Date


DRAFT

Paper Size A3

ClientLogo

4

Flood Depth (m)0.00 - 0.050.05 - 0.150.15 - 0.50

0.50 - 1.001.00 - 1.501.50 - 2.002.00 - 3.00


Attachment 10


3.2 m

2.8 m

2.8 m

2.8 m

3.2 m

2.8 m 2.8 m

2.8 m

3.2 m

2.8 m

3.2 m

2.8 m

2.8 m2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8 m

2.8m

2.8 m

2.8 m

2.8 m

2.8 m

2.8m

2.8m

2.8 m

2.8 m

2.8 m

4.6m

2.8 m

2.8 m

3.4 m

3.2 m

3.2 m 3.2 m

2.8 m

2.8 m

RANKIN CLOSE

BALDW I N CLOS

E

PAY N

E CLO

SE

REX HARDAKER LANE

LEE COURT

HIBBARD CLOSE

TEAL PLACE

BET E

LPALM

CLOSE

LILLY PILLY

TERRACE

FORTITUDE PLACE

JACKLYN CLOSE

KEAR

N CLOSE

RIN GTAIL CLOSE

PALM

TREE

SDRIVE

LADY

BELM

ORED

RIVE

MCRAE CLOSE

KASCH ROAD

BARDSLEY CRESCENT

AVONLEIGH DRIVE

HAMI

LTON

DRIVE

DEANS ROAD

BLIG

H DR

IVE

CABA CLOSE

CRAF

T CL

OSE

PEPP

ERMA

NR O

A D

LAMB

ERTS

ROAD

SOUTH BOAMBEE ROAD

HOGB

INDR

IVE

MIDDLE BOAMBEE ROAD

LINDEN AVENUE

SAWTELL ROAD

PACIFIC HIGHWAY

WAGT

AILCL

OSE

SILVE

REYECL

OSE BUTTERFLY CLOSE

SHAW

S CLOSE

MOSE

LEY

DRIVE

CORRIGANAVENUE

MCALPINE WAY

CU

RLEW CRESCENT

ANNANDALE COURT

OSCAR RAMSAY D RIVE

IBIS DRIVE

BAYLISS AVENUE

SUNBIRDCR

ESCEN

T

SEA EA

GLE

DRIVE

WOR LANDDR

IVE

HI-TE

CHDR

IVE

BOAMBEE CREEK

BOAMBEE CREEK

CORDWELLS CREEK

CORDWELLS CREEK FLOOD CHANNEL

7.2 m

6.4 m

6.2 m

6.2 m6.4

m

4.8 m

7 m

3.8 m

7.4 m

5.8 m

4.8 m

6.2 m

9.2 m

4 m

8 m8.2 m

4.2 m

4.2 m

6.8 m

4.8 m

6 m

6.8 m

6.8 m

3.6 m

6.8 m

5.8 m

7.6 m

6 m

6.2m

6 m

7.6m

10.2m

4 m4 m

7.4 m

7.2 m

10 m

6.8m

7 m

6.8 m

3.8m

4.8m

9.6m

5.2 m

5.2 m

10 m

6.8 m

4 m

6.6 m

6.8 m

7.4 m

4.4 m

6.6 m

5.8 m

5.2 m

7.4 m

5.2 m

4 m

7 m

8.2 m

5 m

4.4 m

9.2 m

7.2 m

6.6 m

8 m

4.2 m

6.2 m

6.2 m

5.4 m

5.6 m

4 m

3.8 m

6.4 m

8.4 m 7.6 m

5.6 m

4.8 m

3.6 m

4.4 m

4.6 m

8.8 m

4.8 m

9.4 m

7.8 m

5.4 m

9 m

9.8 m

5 m

3.6 m

8.6 m

3.8 m

4.2 m

5.8 m

6 m

4.6 m

506,000

506,000

507,000

507,000

508,000

508,000

6,643,

000

6,643,

000

6,644,

000

6,644,

000


0 75 150 225 30037.5




Appendix G.F.5


22-16407

01 May 2015

PC25 - 1% AEPo Date


DRAFT

Paper Size A3

ClientLogo

5

Flood Depth (m)0.00 - 0.050.05 - 0.150.15 - 0.50

0.50 - 1.001.00 - 1.501.50 - 2.002.00 - 3.00


Attachment 10


3.2 m

FOREST CLOSE

CURNUCK CLOSE

RAINTREE PLACE

JACKLYN CLOSE

SKYE

CLOS

E

BANF

F CLO

SE

AMANDA CLOSE

YARA

DPL

ACE

MCRAE CLOSE

KASCH ROAD

SAWTELL ROAD

BO RSATO

DRIVE

PLUN

KETT

CRESCENT

BLIG

H DR

IVE

CANA

LE D

RIVE

WEDDS ROAD

PACIF

ICHIG

HWAY

RAINFORDDRIVE

BAYL

ISS AV

ENUE

SYMONS AVEN

UE

PERKINS ROAD

LINDSAYS ROADMCALPINE WAY

AYRSHIRE PARK DRIVE

BOAMBEE CREEK

7.2 m

11 m

14.2 m

20.6

m

13.8 m

7 m

9.2 m

17.4 m

9.4 m

25.4

m

14 m

7.4 m

11.6

m

11 m

11 m

22 m

25.8 m

10.2 m

29 m

25.8 m

4.8 m

4 m

8 m

11.8 m

8.2 m

12.4 m

4.2 m

24.4 m

6.8 m

5.8 m

27.4 m

28.6

m

7.6 m12.2 m

13.8 m

6 m

13.8 m

6 m

12.2 m

27 m

29.4 m

12m

29 m

30.2 m

22.2m

28.2

m

18.6 m

12m

6.8 m

26.6 m

3.8m

4.8m

9.6 m

5.2 m

17.8 m

19.6 m

19.2 m

5.2 m

10 m

21.8 m

10.6 m

21 m 20 m

21.6 m

15.6 m

22.8 m

21.4 m

6.6 m

24.6 m

7.4 m

10.8 m

23.2 m23.8 m

18.2 m

23 m

5.2 m

10.4 m

10 m

15.2 m

5.8 m

15 m

7.4 m

12 m

15.8 m

7 m

8.2 m

11 m

4.4 m

9.2 m

7.2 m

14.8 m

11.4 m

6.6 m

16 m

8 m11.8 m

4.2 m

14.6 m

12 m

16.4 m16.8 m

25.4 m

6.2 m

17 m

25 m

10.2 m

5.6 m

12.8 m

4 m

17.4 m

8.4 m 7.6 m

17.6 m

26 m

14.4 m14.2 m

3.6 m

13.2 m

13.2 m4.6

m

26.2 m

8.8 m

4.8 m

7.8 m

5.4 m

9.6 m

9 m

14 m

9.8 m

5 m

13.8 m

12.6 m

8.6 m

3.8 m

12.2 m12.4 m

13.6 m

505,000

505,000

506,000

506,000

507,000

507,000

6,644,

000

6,644,

000

6,645,

000

6,645,

000


0 75 150 225 30037.5




Appendix G.F.6


22-16407

01 May 2015

PC25 - 1% AEPo Date


DRAFT

Paper Size A3

ClientLogo6

Flood Depth (m)0.00 - 0.050.05 - 0.150.15 - 0.50

0.50 - 1.001.00 - 1.501.50 - 2.002.00 - 3.00


Attachment 10


AVON RISE

CARTEN CLOSE

SAND

STRE

ET

COLAC TERRA CE

COLL

ISONP

LACE

ELSW

ICK P

LACE

FLEMING CLOSE

MORRISON CLOSE

EELEY CLOSE

BURRIDGE AVENUE

MANSBRIDGE DRIVE

MATHIE STREET

ENGI

NEER

ING

DRIVE

FER A

NCR

ESCE

NT

STADIUMDRIVE

CORN

ISH ST

REET

FORG

E DRI

VE


WING

ARA

DRIVE


COOK DRIVE

NORTH BOAMBEE ROAD

ENGLANDS ROAD

ISLES DRIVE

REID DRIVE

HOGBIN DRIVE

PACIF

ICHIG

HWAY

WALLACE CIRCUIT

MENINDEE CIRCUIT

MAWSON CLOSE

LOUD

ENCL

OSE

RAYMCCARTHY DRIVE

KEONA CIRCUIT

LAKES DRIVE

HURL

EY D

RIVE

FRASER DRIVE

O'KEEFE DRIVE

INDUSTRIAL DRIVE

NEWPORTS CREEK

508,000

508,000

509,000

509,000

510,000

510,000

6,646,

000

6,646,

000

6,647,

000

6,647,

000

N:\AU\Coffs Harbour\Projects\22\16407\GIS\Maps\Deliverables\22_16407_G_H_1_6_PC25_100yr_Provisional_Hazard_RevA.mxd© 2015. Whilst every care has been taken to prepare this map, GHD (and LPI) make no representations or warranties about its accuracy, reliability, completeness or suitability for any particular purpose and cannot accept liability and responsibility of any kind (whether in contract, tort or otherwise) for any expenses, losses, damages and/or costs (including indirect or consequential damage) which are or may be incurred by any party as a result of the map being inaccurate, incomplete or unsuitable in any way and for any reason.

LEGEND0 75 150 225 30037.5



Coffs Harbour City CouncilBoambee newports CreekFloodplain Risk Management StudyFinal Hydraulic Hazard

Appendix G.H.


22-16407

05 May 2015

1% AEPo Date

Data source: LPI (2012), LPI Lot Boundaries, 2012. Created by:rberg

DRAFT

Paper Size A3

ClientLogo

1Low hazardIntermediate HazardHigh hazard

NOTE: Flood Hazard has been calculated in accordance with Figure L2 of the Floodplain Development Manual 2005.

1

Attachment 10


ISLES DRIVE

HURLEY DRIVE

MANSBRIDGE DRIVE

DAKOTA DRIVE

NORTH BOAMBEE ROAD

FELLOWSHIP DRIVE

WING

ARA

DRIVE

REID DRIVE

COOK DRIVE


STADIUM DRIVE

DOUGKN

IGHT DRIVE

PACIF

ICHIG

HWAY

AVIATION DRIVE

HOGBIN DRIVE

AIRPORT DRIVE

KEONACIRCUITFRASER DRIVE

O'KEEFE DRIVE

NEWPORTS CREEK

509,000

509,000

510,000

510,000

511,000

511,000

6,645,

000

6,645,

000

6,646,

000

6,646,

000


LEGEND0 75 150 225 30037.5




Appendix G.H.


22-16407

05 May 2015

1% AEPo Date


DRAFT

Paper Size A3

ClientLogo

2Low hazardIntermediate HazardHigh hazard


2

Attachment 10


BALDW I NCL

OSE

PAYN

ECLO

SE

LEE COURT

CRAF

T CLO

SE

BETE

LPALMCLOSE

FORTITUDE PLACE

HAMI

LTON

DRIVE

PACI

FIC H

IGHW

AY

HI-TECH DRIVE

SAWTELL ROAD LAMB

ERTS

ROAD

HOGB

IN DR

IVE

PEPPERMANROAD

DUNLOP DRIVE

WOR LANDDR

IVE

BOAMBEE CREEK

NEWPORTS CREEK

508,000

508,000

509,000

509,000

510,000

510,000

6,644,

000

6,644,

000

6,645,

000

6,645,

000


LEGEND0 75 150 225 30037.5




Appendix G.H.


22-16407

05 May 2015

1% AEPo Date


DRAFT

Paper Size A3

ClientLogo3

Low hazardIntermediate HazardHigh hazard


3

Attachment 10


RANKIN CLOSE

MAKINSON CLOSE

ROBY

PLAC

E

TEAL PLACE

JEFFRESS PLACE

BETE

LPALM

CLOSE

MINORCA PLACE

WO RLAND DRIVE

IBIS DRIVE

WALC

O DRIVE

WONGA

CLOSE

MARI

AN PL

ACE

EUNGELLA STREET

REX HARDAKER LANE

TWENTY-FIFTH AVENUE

JANE CIRCUIT

BELBOWRIE ROAD

HERON PLACEKINTORIE CRESCENT

BARDSLEY CRESCENT

KINCHE

LA

AVENUE

PEPP

ERMA

NR O

AD

FIRST AVENUELADY BELMORE DRIVE

CORR

IGAN AV

ENUE

JEMALO

NGCRESCENT

CRAF

T CL

OSE

BANGALEE CRESCENT

LALAGULI DRIVE

COORABIN CRESCENT

BARCOO COURT

ARMSTRONG ROAD

LINDEN AVENUE

TOORMINAROAD

NARIAH CRESCENT

AMAR

OOCR

ESCE

NT

MINORIE DRIVE

HOGB

IN D

RIVE

SAWTELL ROAD

KINGP ARROT DRIVEPL

OVER

PLACE

BUTTERFLY CLOSE

NOOMBA STREET

CU

RLEW CRESCENT

CORA

MBAR

A CRE

SCEN

T

WERA

MBIE

STRE

ET

WIRR

ABILL

A DRIV

E

WY BALEN

ACR

ESCE

NT

ALLE

ENA

DRIVE

SUNB

IRDCRESCENT

SEA EA

GLE

DRIVE

HI-TE

CHDR

IVE

CAVA

NBA

ROAD

BOAMBEE CREEK

508,000

508,000

509,000

509,000

510,000

510,000

6,642,

000

6,642,

000

6,643,

000

6,643,

000


LEGEND0 75 150 225 30037.5




Appendix G.H.


22-16407

05 May 2015

1% AEPo Date


DRAFT

Paper Size A3

ClientLogo

4



4

Attachment 10


RANKIN CLOSE

BALDW I N CLOS

E

CHAR

KA

TE CLOSE

PAY N

E CLO

SE

REX HARDAKER LANE

LEE COURT

HIBBARD CLOSE

TEAL PLACE

BET E

LPALM

CLOSE

LILLY PILLY

TERRACE

FORTITUDE PLACE

JACKLYN CLOSE

KEAR

N CLOSE

RIN GTAIL CLOSE

PALM

TREE

SDRIVE

LADY

BELM

ORED

RIVE

MCRAE CLOSE

KASCH ROAD

BARDSLEY CRESCENT

AVONLEIGH DRIVE

HAMI

LTON

DRIVE

DEANS ROAD

BLIG

H DR

IVE

CABA CLOSE

CRAF

T CL

OSE

PEPP

ERMA

NR O

A D

LAMB

ERTS

ROAD

SOUTH BOAMBEE ROAD

BRUCE KING DRIVE

HOGB

INDR

IVE

MIDDLE BOAMBEE ROAD

LINDEN AVENUE

SAWTELL ROAD

PACIFIC HIGHWAY

WAGT

AILCL

OSE

SILVE

REYECL

OSE BUTTERFLY CLOSE

LINDSAYS ROAD

SHAW

S CLOSE

MOSE

LEY

DRIVE

CORRIGANAVENUE

MEAD OW VIEW CLOSE

MCALPINE WAY

CU

RLEW CRESCENT

ANNANDALE COURT

OSCAR RAMSAY D RIVE

IBIS DRIVE

BAYLISS AVENUE

SUNBIRDCR

ESCEN

T

SEA EA

GLE

DRIVE

WOR LANDDR

IVE

HI-TE

CHDR

IVE

BOAMBEE CREEK

BOAMBEE CREEK

CORDWELLS CREEK

CORDWELLS CREEK FLOOD CHANNEL

506,000

506,000

507,000

507,000

508,000

508,000

6,643,

000

6,643,

000

6,644,

000

6,644,

000


LEGEND0 75 150 225 30037.5




Appendix G.H.


22-16407

05 May 2015

1% AEPo Date


DRAFT

Paper Size A3

ClientLogo

5



5

Attachment 10


FOREST CLOSE

CURNUCK CLOSE

RAINTREE PLACE

JACKLYN CLOSE

SKYE

CLOS

E

BANF

F CLO

SE

AMANDA CLOSE

YARA

DPL

ACE

MCRAE CLOSE

KASCH ROAD

SAWTELL ROAD

BO RSATO

DRIVE

PLUN

KETT

CRESCENT

BLIG

H DR

IVE

CANA

LE D

RIVE

WEDDS ROAD

PACIF

ICHIG

HWAY

MIDDLE BOAMBEE ROAD

RAINFORDDRIVE

BAYL

ISS AV

ENUE

SYMONS AVEN

UE

PERKINS ROAD

LINDSAYS ROADMCALPINE WAY

AYRSHIRE PARK DRIVE

BOAMBEE CREEK

505,000

505,000

506,000

506,000

507,000

507,000

6,644,

000

6,644,

000

6,645,

000

6,645,

000


LEGEND0 75 150 225 30037.5




Appendix G.H.


22-16407

05 May 2015

1% AEPo Date


DRAFT

Paper Size A3

ClientLogo6



6

Attachment 10


AVON RISE

CARTEN CLOSEFARROW CLOSE

SAND

STRE

ET

COLAC TERRA CE

COLL

ISONP

LACE

ELSW

ICK P

LACE

FLEMING CLOSE

MORRISON CLOSE

EELEY CLOSE

BURRIDGE AVENUE

MANSBRIDGE DRIVE

MATHIE STREET

ENGI

NEER

ING

DRIVE

FER A

NCR

ESCE

NT

STADIUMDRIVE

CORN

ISH ST

REET

FORG

E DRI

VE


WING

ARA

DRIVE


COOK DRIVE

NORTH BOAMBEE ROAD

ENGLANDS ROAD

ISLES DRIVE

REID DRIVE

HOGBIN DRIVE

PACIF

ICHIG

HWAY

WALLACE CIRCUIT

MENINDEE CIRCUIT

MAWSON CLOSE

RAYMCCARTHY DRIVE

KEONA CIRCUIT

LAKES DRIVE

HURL

EY D

RIVE

FRASER DRIVE

O'KEEFE DRIVE

INDUSTRIAL DRIVE

NEWPORTS CREEK

508,000

508,000

509,000

509,000

510,000

510,000

6,646,

000

6,646,

000

6,647,

000

6,647,

000

N:\AU\Coffs Harbour\Projects\22\16407\GIS\Maps\Deliverables\22_16407_G_D_1_6_PC25_100yr_Diff_RevA.mxd© 2015. Whilst every care has been taken to prepare this map, GHD (and LPI) make no representations or warranties about its accuracy, reliability, completeness or suitability for any particular purpose and cannot accept liability and responsibility of any kind (whether in contract, tort or otherwise) for any expenses, losses, damages and/or costs (including indirect or consequential damage) which are or may be incurred by any party as a result of the map being inaccurate, incomplete or unsuitable in any way and for any reason.

0 75 150 225 30037.5



Coffs Harbour City CouncilBoambee newports CreekFloodplain Risk Management StudyExisting vs PC25

Appendix G.D.


22-16407

05 May 2015

1% AEPo Date


DRAFT

Paper Size A3

ClientLogo

LegendChange In Flood Level (mm)

. -500mm-500mm - -250mm

-250mm - -100mm-100mm - -50mm-50mm - -30mm

-30mm - -15mm-15mm - +15mm+15mm - +30mm

+30mm - +50mm+50mm - +100mm+100mm - + 250mm

+250mm - +500mmNo Longer Flooded

1

Attachment 10


ISLES DRIVE

HURLEY DRIVE

MANSBRIDGE DRIVE

DAKOTA DRIVE

NORTH BOAMBEE ROAD

FELLOWSHIP DRIVE

WING

ARA

DRIVE

REID DRIVE

COOK DRIVE


STADIUM DRIVE

DOUGKN

IGHT DRIVE

PACIF

ICHIG

HWAY

AVIATION DRIVE

HOGBIN DRIVE

AIRPORT DRIVE

KEONACIRCUITFRASER DRIVE

O'KEEFE DRIVE

NEWPORTS CREEK

509,000

509,000

510,000

510,000

511,000

511,000

6,645,

000

6,645,

000

6,646,

000

6,646,

000

N:\AU\Coffs Harbour\Projects\22\16407\GIS\Maps\Deliverables\22_16407_G_D_1_6_PC25_100yr_Diff_RevA.mxd© 2015. Whilst every care has been taken to prepare this map, GHD (and LPI) make no representations or warranties about its accuracy, reliability, completeness or suitability for any particular purpose and cannot accept liability and responsibility of any kind (whether in contract, tort or otherwise) for any expenses, losses, damages and/or costs (including indirect or consequential damage) which are or may be incurred by any party as a result of the map being inaccurate, incomplete or unsuitable in any way and for any reason.

0 75 150 225 30037.5



Coffs Harbour City CouncilBoambee newports CreekFloodplain Risk Management StudyExisting vs PC25

Appendix G.D.


22-16407

05 May 2015

1% AEPo Date


DRAFT

Paper Size A3

ClientLogo

LegendChange In Flood Level (mm)

. -500mm-500mm - -250mm

-250mm - -100mm-100mm - -50mm-50mm - -30mm

-30mm - -15mm-15mm - +15mm+15mm - +30mm

+30mm - +50mm+50mm - +100mm+100mm - + 250mm

+250mm - +500mmNo Longer Flooded

2

Attachment 10

GHDClient : Coffs Harbour City CouncilTitle : Boambee and Newports Creek FRMS Job No : 22-16407

www.ghd.com.au [email protected]

Tel. +61 2 6650 5601 Fax. +61 2 6650 5601230 Harbour Drive, Coffs Harbour

Boambee Newport Floodplain Risk Management Plan

Mitigation Options

purpose. They cannot be used for budget-setting purposes as common elements between options may have been omitted and/or the works not fully scoped. A functional design is recommended if a budget estimate is required.

SCHEDULE OF ESTIMATED QUANTITIESPAY ITEM DESCRIPTION OF WORK QTY UNIT RATE AMOUNT NOTES

1 Preliminaries1.1 Establishment 1 item 11000.00 $ 11,000 Allowance only1.2 Erosion and sediment control 1 item 11000.00 $ 11,000 Allowance only1.3 Traffic control 1 item 11000.00 $ 11,000 Allowance only

SUBTOTAL $ 33,000 2 Earthworks & General - Isles Drive2.1 Clear site of vegetation - light vegetation, over 500m2 4,180 m2 0.50 $ 2,090 -2.3 Excavate over site to reduce levels in light soil 1,150 m3 21.00 $ 24,150 -

Landscaping - hydro mulch sprayed grass seed 4,180 m2 0.30 $ 1,254 -Fence - supply and erect galvanised steel welded mesh 1.2m high 700 m 72.00 $ 50,400 Geotextile Mat - one layer of coir fibre between two layers of polymer mesh - 15-20 mm thick 4,180 m2 8.00 $ 33,440 product or similarMinor Works to culvert Crossing 1 item 100000.00 $ 100,000 Signage - warning signage around perimeter 1 unit 11000.00 $ 11,000

SUBTOTAL $ 222,334 3 Earthworks & General - Hospital Floodway3.1 Clear site of vegetation - light vegetation, over 500m2 13,010 m2 0.50 $ 6,505 -3.2 Excavate over site to reduce levels in light soil 9,450 m3 21.00 $ 198,450 -

Landscaping - hydro mulch sprayed grass seed 13,010 m2 0.30 $ 3,903 -Fence - supply and erect galvanised steel welded mesh 1.2m high 500 m 72.00 $ 36,000 Bollards - make good existing, relocate at completion of works 10,000 item 1.00 $ 10,000 Signage - warning signage around perimeter 1 unit 11000.00 $ 11,000

SUBTOTAL $ 265,858 4 Remove Obstructions under Pacific Highway4.1 Removal of gabions under Pacific Highway 1 item 100000.00 $ 100,000 Allowance only

SUBTOTAL $ 100,000

SUBTOTAL ITEMS 1-4 $ 621,192 5 Supervision, Project Management & Contractor On-Costs5.1 Supervision, Project Management & Contractor On-Costs (20%) 20 % - $ 124,238 -

SUBTOTAL $ 124,238 6 Contingencies6.1 Contingencies - General (30%) 30 % - $ 186,358 -

SUBTOTAL $ 186,358

SUBTOTAL ITEMS 1-6 $ 931,788 3 NBV Basin Works

Proposed (OPTN 4) Detention Basin in Upper North Boambee Valley 1 item 2992500.00 $ 2,992,500 63% of NBV Basin

SUBTOTAL $ 2,992,500 works costed by DGB

TOTAL (Ex-GST) $ 3,924,288

PC 25Re-Grade Isles Drive Drainage Channel, clean out, steepen batters to 1 in 2 and grass.

Re-Grade Hospital Flooday, widen, steepen batters to 1 in 4 and grass. Relocation of BollardsRemoval of obstructions under Newports Creek Bridge

NBV Basin Works

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GHD | Report for Coffs Harbour City Council - Boambee Newports Creek Floodplain Risk Management Study and Plan,

22/16407

Appendix H Floodplain Risk Management Plan

Attachment 10


GHD 230 Harbour Drive Coffs Harbour NSW 2450 T: (02) 6650 5600 F: (02) 6650 5601 E: [email protected] © GHD 2012 This document is and shall remain the property of GHD. The document may only be used for the purpose for which it was commissioned and in accordance with the Terms of Engagement for the commission. Unauthorised use of this document in any form whatsoever is prohibited. N:\AU\Coffs Harbour\Projects\22\16407\WP\15288.docx Document Status

Rev No. Author Reviewer Approved for Issue Name Signature Name Signature Date

DRAFT1 RB SD & KB RB 08/09/14





Final DRAFT RB SD & KB RB 22/12/15

Attachment 10


www.ghd.com

Attachment 10

attachment 10 ghd - city of coffs harbour · thick (180g/sqm) 1,600 m2 $ 3.58 $ 5,733 - 4.3...

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