ch2m hill autocad civil 3d 2014 - environment agency
TRANSCRIPT
Boulder bars at 2.2 metre
spacings and ramp slope of 1:20.
5.854
5.638
5.172
4.690
4.480
6.586
2200020000
17195
Boulder bars at 3 metre spacings
and ramp slope of 1:30.
Approximate head drop of
100mm between boulder lines.
Fish resting pool.
Existing weir structure to be broken out where
required to allow boulder bar construction.
2200
Existing sheet pile cut-off.
Upper fish pass channel
approx. bed level.
Rip-rap sealed with 10-64mm
graded granular surface layer
of 150mm minimum thickness.
8.11
9.10
8.60
6.05
Q10
4.395
Q95
4.380
Q10
7.050
Q95
6.986
5.495
6.395
4.854
10-64mm graded granular material
minimum 150mm thick between
boulder bars above existing slab.
Ramp slope change
from 1:30 to 1:20.
5.854
Sheet pile wall.
Q10
4.395
Q95
4.380
Q10
7.050
Q95
6.986
2200020000
17195
Boulder bars at 3 metre spacings
and ramp slope of 1:30.
Approximate head drop
of 100mm between
boulder lines.
Fish resting pool.
Existing weir structure to be
broken out where required to
allow boulder bar construction.
2200
Existing sheet pile cut-off.
Boulder bars at 2.2 metre
spacings and ramp slope of 1:20.
Lower fish pass channel
approx. bed level.
Retaining sheet
pile wall.
Fish pass entrance.
8.11
9.10
8.60
Top of reinforced concrete
channel wall.
Concrete channel wall
keyed into structure.
6.05
5.495
6.395
4.854
3.986
5.854
6.586
10-64mm graded granular material
minimum 150mm thick between
boulder bars above existing slab.
Rip-rap sealed with 10-64mm
graded granular surface layer
of 150mm minimum thickness.
Main channel.
Boulders to be embedded
by minimum of 50% of
their nominal diameter
into rip-rap.
Existing channel wall.
Sheet pile walls.
Rip-rap fill sealed with 10-64mm
graded granular surface layer of
150mm minimum thickness.
1:20 slope rock ramp.
2600 2600
DWL
DWL
Timber cladding on
exposed sheet piles.
200mm deep gaps in boulder
bars approx. 300mm wide.
Pass bed level -
approx. 5.30 metres.
Pass bed level -
approx. 4.20 metres.
6.03
4.92
8.110
Existing footbridge and radial gates and
associated electrical items to be removed.
Existing sluice gate to be removed
to allow rock ramp construction.
CC
A
A
Sheet piling.
250mm thick reinforced
concrete fish pass wall.
500mm wide by 200mm deep notch
cut into weir to best attract fish
towards fish pass entrance.
Flow direction.
2 metre entrance to fish
pass to slope up from
bed level with rip-rap.
2.6 metre wide rock
ramp fish pass with
1:20 slope and 2.2
metre spacings.
B
B
DD
Existing sluice gate to be replaced
with 300mm thick weir 900mm
above existing base slab.
Boulders of 0.8 metres dieameter with gaps
of 0.3 metres to allow passage of flow. Gaps
are to be partially closed with flat boulders
embedded to rise 0.2 metres above bed.
5.3 metre wide rock ramp fish pass
with 1:30 slope and 3 metre spacings.
5.3 x 2 x 0.4 metre
resting pool.
Rock ramp width reduced to 2.6
metres at this location.
DWL
6.63
8.110
250mm thick reinforced
concrete wall to separate
pass from main channel.
Wall to slope down with
channel.
Reinforced concrete
separating wall tied into
existing structure.
Boulders to be embedded by
minimum of 50% of their
nominal diameter into rip-rap.
Existing channel wall.
Existing concrete
slab to be broken
out locally to allow
boulders to be
embedded.
Main channel.
10-64mm graded granular
surface layer.
1:30 slope rock ramp.
5300
Total gaps of 1.5m across
the channel.
200mm deep gaps in
boulder bars approx.
300mm wide.
Pass bed level -
approx. 6.00 metres.
ZENITH SLUICE
FISH RAMP DESIGN
ENV0001296C-CH2-00-2D0-DR-C-0002
1:200
P02
P01.1 18/04/19 INITIAL DESIGN
P02 24/05/19 HALF RAMP DESIGN
ENV0001296C
B228E006
Safety:
· Fast moving water
· Major lifting
· Working within cofferdam / stoplogs
Environment:
· Concreting in / adjacent to watercourse
· Flood risk from temporary cofferdam
· Plant and mechanical machinery in channel
SAFETY, HEALTH AND ENVIRONMENTAL
INFORMATION
In addition to the hazards / risks normally associated with the types of work detailed on this
drawing, note the following :
It is assumed that all works will be carried out by a competent contractor working, where
appropriate, to an approved method statement.
Maintenance and operation:
· No unusual maintenance / operational techniques
Decomissioning/demolition:
· No unusual construction techniques
Notes:
1. All levels are shown in meters Above Ordnance Datum
(Newlyn) unless stated otherwise.
2. All dimensions are in millimetres unless stated otherwise.
3. Drawing to be read in conjunction with Costing Requirements
Note.
LOWER MOLE FAS
MAJOR REFURBISHMENT
Section D-D
Scale 1:200 A1 / 1:400 A3
Section A-A
Scale 1:50 A1 / 1:100 A3
Plan on Rock Ramp
Scale 1:200 A1 / 1:400 A3
Legend
Drawing status
Drawing number
Scale
Client no.
Jacobs No.
Drawing title
DO NOT SCALE
Project
Client
Apprv'd
Purpose of revision
Rev Rev. Date Drawn Checkd Rev'd
© Copyright 2018 Jacobs U.K. Limited. The concepts and information contained in this document are the property of Jacobs.
Use or copying of this document in whole or in part without the written permission of Jacobs constitutes an infringement of
copyright. Limitation: This drawing has been prepared on behalf of, and for the exclusive use of Jacobs' Client, and is subject
to, and issued in accordance with, the provisions of the contract between Jacobs and the Client. Jacobs accepts no liability or
responsibility whatsoever for, or in respect of, any use of, or reliance upon, this drawing by any third party.
Rev
Floor 2 Cottons Centre, Cottons Lane, Golden Lane Estate, London Bridge, London, SE1 2QG
Tel: +44 (0) 161 873 8500 Fax: +44(0)161 873 7115
www.jacobs.com
Section C-C
Scale 1:200 A1 / 1:400 A3
Section B-B
Scale 1:50 A1 / 1:100 A3