NSURFACE WATER DRAINAGE COLLECTION

IN STORM & OUTFALL PONDS

Drawing Number Rev

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DateApprovedCheckedDrawn

AECOM Internal Project No. Suitability

Scale @ A1 Zone / Mileage

Designed

Drawing Title

Project Manager

Project Title

Applicant

Purpose of issue

Revision Details By

CheckDate Suffix

SF

60559231

AS SHOWN

N/A

N/A

60559231-PE-DRG-041 0

FOR INFORMATION

DCO Reference Number - 4.13

INDICATIVE SURFACE WATER

DRAINAGE PLAN

Sheet 1 of 1 - Layout View

KEY

SITE BOUNDARY

SURFACE WATER DRAINAGE COLLECTION IN

STORM & OUTFALL PONDS

INDICATIVE SURFACE WATER DISCHARGE

ROUTING TO EXISTING OUTFALL FROM

OUTFALL POND

ALTERNATIVE INDICATIVE SURFACE WATER

DISCHARGE ROUTING TO REPLACEMENT

OUTFALL FROM OUTFALL POND

SCALE 1:500

151050 20 25 30 35 40 45 50m

NZT POWER LTD AND

NZNS STORAGE LTD

OVERALL WASTE WATER PHILOSOPHY

(BP SUPPLIED DATA)

PCSW balancing

pond

Fire water run-off

collection pond

PCSW balancing pond overflow

NNF

Oily-water

treatment

Outfall retention

pond

Outfall to North Sea

Clean surface

run-off

Power plant area

Capture plant area

Common utilities

area

Diesel generator

and tankage area

Effluent treatment

plant

Neutralisation

pit

Water treatment

plant

Continuously available disposal route

Intermittent (confirmation water in-spec required)

Legend

Treated process effluent

Neutralised waste water

PCSW system

Potentially contaminated surface run-off

Clean w

ater drain system