typical urban water supply d6.1 network … · requirements see standard lot 19 ridermain main...

Requirements

see Standard

Lot 19

Ridermain

Main

Layout

REGIONAL INFRASTRUCTURE TECHNICAL SPECIFICATION

D6.1

Version: AUGUST 2016

NETWORK LAYOUT

TYPICAL URBAN WATER SUPPLY

Lot 1

Lot 2

Lot 6

Lot 7

Lot 8

Lot 910Lot

Lot 11

Lot 12

Lot 14

Lot 16 Lot 15

Lot 18

Lot 13

Valve Indicator (See Drawing D6.4)

(See Drawing D6.11)

or Flush Out Valve

(See Drawing D6.3)

with Hydrant

(See Drawing D6.5)


Access Strip

H

H


to 5 lots or more)

(Where a ROW is

DN 63 Ridermain

DN

63 R

iderm

ain

Wate

rmain

Ridermain

(See Drawing D6.4)

Valve Indicator

Watermain

This Valve between the two branches

Standard C.I. valve box

surrounds

Pre-cast concrete

Sand backfill Original excavation

75

100 100230

100

100

160

Direction of Main

of Main

Direction

230160

300255

145

150

D6.2

Version: AUGUST 2016REGIONAL INFRASTRUCTURE TECHNICAL SPECIFICATION

SLUICE VALVE DETAILS

piece 150mm pipe

Riser fabricated from one

(- min 1, max. 3)

Cast iron valve packers

Backfill as per D3.2.3

sawcut existing seal

When resetting,

compacted (See Note 1)

'Hotmix' asphalt well

+5mm, -5mm Grass Berm

+0mm, -5mm Pavement

Tolerance: +10mm, -0mm Footpath

RECTANGULAR VALVE BOX AND COVER

(with concrete surroundings for grass berms)

NOTES:

b) the finished surface shall match the surrounding

a) the TNZ backfill can be replaced with pitsand

In Berm Areas1.

NOT TO SCALE

hydrant box

Standard C.I.

Hydrant tee

75

max. 3)

packers (- min 1,

Cast iron valve

50 - 2

00

base (100mm)

Heavy duty concrete

110 110430

110

110

280

Direction of Main

of Main

Direction

430280

pipe

PVC surround

Concrete or

is a 375mm dia.

An alternative

Sand backfill

145

150

per D3.3.1

Backfill as


FIRE HYDRANT DETAILS D6.3


NOT TO SCALE

NOTES:

b) the finished surface shall match the surrounding

a) the TNZ backfill can be replaced with pitsand

In Berm Areas1.

(with concrete surroundings for grass berms)

HYDRANT BOX AND COVER

thick)

surrounds (100mm

Pre-cast concrete

+5mm, -5mm Grass Berm

+0mm, -5mm Pavement

Tolerance: +10mm, -0mm Footpath

compacted (See Note 1)

'Hotmix' asphalt well

existing seal

When resetting, sawcut

REGIONAL INFRASTRUCTURE TECHNICAL SPECIFICATION Version: AUGUST 2016

D6.4VALVE INDICATOR AND POST DETAILS

NOT TO SCALE

NOTES:

plates and inserted as required.

All text and numbers are printed on seperate

plates to half round post.

Use stainless steel fasteners to attach marker

and site on the property boundary.

cut in half. Order a № 1 - 130 wide x 2700 long)When no fence is available, use half round post

3.

2.

1.

from Council system.

Running number obtain

Nominal diameter of pipe

- Gate (GV)

- Sluice (SV) or

Type of Valve.

0.2m left

Position of Valve.

2.1m back

130

800

550

round post.

Ground treated half

nailed to foot of post.

50 x 50 survey stake


D6.5


RIDERMAIN IN A CUL-DE-SAC

NOTES:

by suitably sized tapping band

Tapped gibault may be replaced

NOT TO SCALE

Ridermain

450 Min.

1000 Max.

Concrete thrust block

connections see D5.7

Metered / Unmetered

150mm pipe

from one piece

Riser fabricated

300 M

ax.

500

mm Min. coversee Drawing D6.3

For details of hydrant installation

surround

Concrete

PLAN

NOTE:

1.

the tapping saddle prior to the installation of other fittings.

gunmetal self-tapping ferrule shall be installed directly on

When a connection is made to an existing watermain, a

Adaptor

DN25 MDPE DN25 MDPE

fitting or tapping saddle

Ridermain 'tee' joint

to Toby Box

Angle vertically

DN20 Ferrule

Point of supply

Isolating valve

Lid

Flow

Manifold Box

300mm 300mm Tail

200mm Wide

250mm LG x

50

mm M

IN

300300

Hig

h

350

mm

than 600mm

Radius not less


D6.6AND RESTRICTED FLOW SUPPLIES

SERVICE CONNECTIONS - ON DEMAND

20mm METERED AND UNMETERED

and ferrule

Principal main tapping band

flexible coupling.

top) and lid secured to surround via stainless steel

with blue moulded lid (with 'WATER' moulded into

Moulded manifold box with base and mounting lugs

25mm x ¾" BSP thread

Male threaded adaptor

contaminants

prevent ingress of

Male Adaptor, sealed to

DN25 MDPE Pipe for customer

Boundary

Road

Boundary

Road

BSP ¾" thread both ends.

with dual check valve, female

20mm manifold assembly

25mm x ¾" BSP thread

Male threaded adaptor

Gate Valve

restricted flow supply

Fit flow restrictor for

DN25 MDPE Pipe

Council Supply

(Where required)

Class 'C' Meter

to specification under pipe

Backfill to be compacted

OR

to maintain cover)

Saddle (may be horizontal

25mm on 63mm Tapping

NOT TO SCALE

NOTES:

3.

2.

1.

and residential where requird by Council.

Meters installed on all connections serving commercial, industrial zoned lots

Manifolds with pressure caps to be installed on all DN20 domestic connections.

band or tapped gibault. Tee to be placed horizontally to maintain standard cover.

Connections from ridermains to be made using 63 x 63 MDPE tee in place of a tapping

In-line or one-sided arrangements permitted to suit site conditions.

230

DN63 MDPE fittings

DN63 MDPE

MDPE for DN25 connections

connections and DN32

DN25 MDPE for DN20

suit number of connections

PE Manifold size varied to

300

300

Approved tapping band


D6.7


SERVICE CONNECTIONS ON DEMAND

DN20 METERED & UNMETERED

Road Boundary (point of supply)

DN50 Resilient Seat Gate Valve

band onto Watermain

Tapped gibault or Tapping

Unit 1 / Lot 1 connection on LHS

ingress of contaminants

Male Adaptor, sealed to prevent

DN20 connections

dual check valve, for all

Manifold assembly with

Isolating valves

Shut off valve

box and surround

Standard C.I. valve

MANIFOLD ASSEMBLY FOR MULTIPLE WATER CONNECTIONS

NOT TO SCALE

NOTES:

5.

4.

3.

2.

1.

within the Lot, to be owned and maintained by the property owner.

Any backflow requirements necessary to comply with the NZ Building Code G12 shall be installed

In new installations tapping band may be replaced by cut-in tee, tapped gibault or other as directed.

Meter box sized to contain all fittings.

Isolation washers and gaskets to be used between components of dissimilar metals.

minimum 5 times pipe diameter.

Upstream and downstream spacing in accordance with manufacturer's specification or otherwise


NOT TO SCALE

D6.8


DN50 METER CONNECTION

Meter box - See Note 3

Valve

Watermain

of connection

See Detail A for plan

ValveTo customer

Point of supply

Lid

See Note 1

300mm

230

Boundary

Road

See Note 1

DETAIL A

DN 80 or larger)

(or cut-in tee on

Tapping Band

NOTES:

property owner.

to be owned and maintained by the

G12 shall be installed within the Lot,

to comply with the NZ Building Code

Any backflow requirements necessary

Meter box sized to contain all fittings.

stainless brackets.

Display to be remote mounted with

chamber wall (2.5mm polythene)

around pipe where it passes through

Protective membrane to be wrapped

dissimilar metals.

used between components of

Isolation washers and gaskets to be

5 times pipe diameter.

specification or otherwise minimum

in accordance with manufacturer's

Upstream and downstream spacing

6.

5.

4.

3.

2.

1.

D6.9


NOT TO SCALE


DN100 & DN150 METER CONNECTIONS

Gibault joint

Flanged gibault joint

PVC pipe

Point of supply

PVC pipe

Lid

300mm 300mm

Road B

oundary

joint

Flanged socket

display

Remote

Meter box - See Note 5

PVC pipe

PLAN VIEW

(DN100 Connection shown)

(DN100 Connection shown)

SECTIONAL ELEVATION

or similar

Aquamaster meter(Refer Drawing D6.2)

Sluice valve

D6.10WATER CONNECTIONS LAYOUT


SINGLE PROPERTY SINGLE PROPERTY

2 to 4 CUSTOMERS 2 to 4 CUSTOMERS

Accessway - Ridermain

5+ CUSTOMERSSingle Lot - Ridermain

5+ CUSTOMERS

Point of supply at boundary

Service Pipe

Water Main

at boundary

Point of supply

Service Pipe

Water Mainmeter box

share a single

Manifolds, may

at boundary

Point of supply

Service Pipe

Water Main

Manifold

Supply Pipe

etc. not shown

Supply Pipe

at boundary

Point of supply

Fire Supply

Property boundaries

boundaries'

at 'Customer

Point of supply

Water Main

DN50 Ridermain

at end of line

Flushing Valve

Service Line

Service Line

at boundary

Point of supply

DN50 Ridermain

Water Mainby council)

required

(maybe

Flow Meter

Council OwnershipKEY: Private Ownership Manifold Flow Meter

Version: AUGUST 2016REGIONAL INFRASTRUCTURE TECHNICAL SPECIFICATION

NOT TO SCALE

D6.11FLUSH OUT VALVE ASSEMBLY

and threaded end plug

63mm female threaded adaptor

box

Standard meter

hydrant surrounds

Precast concrete

50

75min

100

75

75

max.

150

concrete base

Heavy duty

DN 63 MDPE ridermain

DN50 gate valve

with fittings

DN63 MDPE pipework

FOOTPATH FORCED AT BOUNDARY

FOOTPATH CENTRAL (PREFERRED OPTION)

FOOTPATH AT KERB

NOTES:

2.

1.

= 600mm below finished level.

Minimum depth for all Services

Trench Details.

Also see Vol.5 WDC14 Shared

Boundary

Po

wer

Gas

Water

Gas

Po

wer

Water

Carriageway

Gas

Po

wer

Water

4500 (min)

4500 (min)

4500 (min)

1000

Carriageway

Footpath

Footpath

min

500

Min.

500

Footpath

Min.

500

Street light column

Batter drainBoundary

300 min

300 min

600

1000-1200


D6.12

NOT TO SCALE

TRANSPORT CORRIDOR

LOCATION OF SERVICES IN

Co

mm

unications

(Alternate sides of street)

H.T. Duct if required

Communications or

Co

mm

unications

Co

mm

unications

1200 min*1000 min

light column is located

*1500 where tree or

Waste

water

Storm

water or

Street light column

Street light column or tree

Boundary

Boundary

Waste

water

Storm

water or

Batter drain

Batter drain

�Deepest at ro

ad

�Deepest at ro

ad

OPTION 'A'

OPTION 'B'


NOT TO SCALE

D6.13FOR RIGHT OF WAY / SHARED ACCESSWAY

SHARED TRENCH STANDARD DETAIL

Other services

Other services

Other services

tracer tape

Blue metallic

Water pipe

Water pipe

tracer tape

Blue metallic

650 Min.

200

200

650 Min.

400 Min.

400 Min.

typical urban water supply d6.1 network … · requirements see standard lot 19 ridermain main...

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