11644-5007-381 Drainage Layout

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140

150

160

170

180

190

200

210

220

230

240

250

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140

P

U

2

2

5

V

C

F

P

U

2

2

5

V

C

F

PU 375 CO C

P

U

3

7

5

C

O

C

PU

450 B

R S

PU

450 B

R S

P

U

1

5

0

V

C

C

PU

150 V

C C

IL 6.025

0

10

20

30

40

50

60

70

80

90

100

0

10

20

30

40

S10

S8

450Ø

S

W

S

ew

er @

1/??

BuildingRidge level = 17.21Eaves level = 14.08






S11

Existing 450Ø Sewer to be

diverted into carriageway

225Ø

H

ighw

ay

Drain @

1/??

CL = 9.301

CL = 9.435

CL = 9.402

CL = 9.073

450Ø Flood relief pipe

S3

S5

S6

2

2

5

Ø

H

i

g

h

w

a

y

D

r

a

i

n

@

1

/

8

0

2

2

5

Ø

H

ig

h

w

a

y

D

ra

in

@

1

/8

0

2

2

5

Ø

H

i

g

h

w

a

y

D

r

a

i

n

@

1

/

1

5

0

S7

2

2

5

Ø

H

ig

h

w

a

y

D

r

a

in

@

1

/1

5

0

CL = 9.373

IL = 8.016

CL = 9.434

IL = 8.140

C

L

=

1

0

.

0

5

8

I

L

=

7

.

8

0

8

I

L

=

7

.

7

3

3

CL = 10.275

IL = 8.813

S4

CL = 9.947

IL = 8.108

S0

Flow Control Manhole 3L/s (1.3m head)

CL = 9.000

IL = 6.454

e-mail: [email protected]

Tel 0113 200 8904

0113 270 1199

www.metengineers.com

Southgate House

Pontefract Road

Stourton, Leeds

West Yorkshire

LS10 1SW

Met Engineers Ltd

Ch'k'dDescriptionDrawnDateRev

Client

Project

Title

Drawn

Date

Checked

Date

Scale

StatusOriginal Size

Drawing No Rev

Persimmon Homes

Fulford, York

(All Phases)

Drainage Layout

Entrance/Spine Road

PH

Nov 2012

ATK

Nov 2012

1:250

A0

11644/5007-381 F

1. Do not scale dimensions from this drawing in either paper or

electronic format.

2. To be read in conjunction with all relevant Engineer's,

Architect's and Other drawings and specifications.

3. All building products to be used in strict accordance with the

manufacturer's recommendations.

4. Any discrepancies are to be reported to the Engineer

immediately.

5. Main Contractor to provide a detailed method statement for all

works prior to commencement on site.

ATKExisting gullys Fordlands Road TC04.12.12A

South notes amended.

ATKHighway drain added to A19PH13.02.14B

based on CC comments.

ATKExisting 450Ø sewer diverted.PH28.02.14C

Cover and Invert levels added.

ATKTideflex valve / headwall detailsPH22.07.14D

added.

ATKFlood Relief Pipes and notes TC06.11.14E

amended. Highway Drainage

amended.

ATKFlood Relief valves ommitted TC02.12.14F

Notes added

Groundwork's - Uncovering existing

services - Electricution/exposion

(Risk-Mod)

Design Risk

Hazard/Risk#

Obtain Statutory undertakers service

record plans, verify formal

disconnection of services with

individual Undertakers, carry out CAT

scan and hand dug trial holes to

locate. The use of Banks Man when

Excavating with machinery. (Risk-

Low)

Mitigation / Residual Risk

1.

Placing and shaping concrete -

(Compaction of concrete surround to

MH Chambers, Placing/shaping of

benching to MH's, Compaction of

Kerbrace and haunch - Cement burns

or additive irritation (Risk-Mod)

Training, Site induction, adequate

PPE and Equipment (Risk- Low)

2.

Lifting large diameter concrete pipe

work and manhole chambers into

position - Crushing of Operatives

within excavations. (Risk-High)

Operatives should not be present

within excavations during lifting

activities. Adequate supervision, site

induction should reinforce risk (Risk-

Low)

3.

Excavating deep trenches - Site

personnel falling into open

excavations due to wall collapse

(Risk-High)

Loose material to be battered back to

a safe angle, use of temporary work

(Risk- Mod)

4.

Pouring Concrete - Site personnel

falling into deep excavations/deep wet

concrete (Risk-High)

Loose material battered back to a

safe angle or consider temporary

works. Stability to be assessed by site

personnel. Appropriate pouring plant

to be used to limit requirement for site

staff to be in close proximity of

excavation edge. Adequate fencing

adjacent to the freshly poured

concrete should be provided. (Risk-

Mod)

5.

Use of Excavation Plant and

Machinery - Site personnel and

members of the public being struck by

plant resulting in injury. Damage to

existing structures. (Risk-High)

Training, Site Induction and

appropriate PPE. (Risk- Mod)

6.

Manhandling Materials - Injury to site

personnel. (Risk-High)


appropriate PPE. (Risk- Mod)

7.

Site Clearance - Contaminated land

and Surface Hazards. (Risk-Mod)

Refer to Remediation Statement for

specific contamination remediation.


appropriate PPE. (Risk- Low)

8.

9.

Construction of Site entrance - Danger

to Public and Operatives during

construction within public highway

(Risk-High)

Adequate supervision, site induction

and traffic management (to

incorporate safe working zones and

protection to the public footpath)

(Risk- Low)

10

Large areas of the Southern Flood

meadow will fill with deep water during

heavy prolonged periods of rainfall

and will remain there for some

considerable time (Risk-Med)


and site management (to incorporate

safe working zones and protection of

workforce and the public) (Risk- Low)

11

Existing 375mm Combined sewer

diversion through the site at depths in

excess of 5m. (Risk-High)


and appropriate PPE. Gas detector

and confined space training required.

(Risk- Low)

Documents

11644-5007-381 Drainage Layout