APPROX 95.00 BED LEVEL AT OUTFALL FLOW CONTROL MH … Application/630000/63… · IC VP VP SP SP...

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106.09 106.56 107.58 108.60 109.36 109.34 109.31 109.25 109.29 108.80 108.49 108.28 107.59 106.18 106.36 105.02 100.35 100.77 100.41 100.12 100.55 108.14 108.24 107.12 106.91 106.37 106.11 105.06 104.00 102.93 103.65 101.73 100.50 99.38 99.08 99.14 98.99 99.46 99.99 99.85 100.16 101.41 101.10 100.86 101.26 108.77 108.22 107.50 106.88 105.68 101.55 102.52 103.75 105.25 106.53 107.17 107.80 108.35 108.71 108.63 108.16 107.55 106.96 106.12 104.95 103.42 102.02 101.09 100.69 100.00 99.62 99.49 100.34 100.63 101.56 101.53 102.63 102.95 104.39 104.31 105.08 105.46 106.34 106.29 106.89 107.11 107.63 108.23 108.36 99.62 111.81 111.37 110.80 109.78 108.71 109.12 109.61 110.29 110.86 111.36 111.83 .02 11.98 111.62 111.17 110.63 110.20 109.66 109.14 108.83 109.30 109.77 110.23 110.63 111.03 111.95 109.88 109.34 97.15 97.42 96.59 96.97 99.29 95.58 95.81 96.44 97.11 99.05 99.44 97.23 98.12 98.18 98.65 96.60 96.21 96.20 96.20 95.89 95.68 95.28 95.26 110.14 11 110.74 111.49 111.43 111.39 111.04 110.73 111.85 113.19 113.12 113.44 111.14 111.43 111.58 112.85 112.25 112.05 111.72 98 86 99.09 99.09 99.20 99.62 99.56 98.92 98.66 98.74 97.89 Milverton Drive Moss Beds ditchline within dense vegetation Hardcore Mounds Mounds Shed 102 102 102 102 102 102 96 96 96 96 96 96 100 100 100 100 100 98 98 98 98 98 112 104 104 104 104 104 104 1 110 106 106 106 106 106 106 108 108 108 108 108 112 H3B 839 H3B 839 H3B 839 H3B 839 2 no. 1B 513 H3B 938 3B 965 3B 965 2B 759 2B 759 3B 965 H3B 839 H3B 839 H3B 839 H3B 839 H3B 839 H3B 839 3B 965 H3B 839 H3B 839 3B 965 2B 759 2B 759 2B 759 2B 759 4B 1194 4B 1194 3B 1044 3B 1044 3B 965 4B 1381 4B 1209 4B 1209 4B 1475 4B 1381 4B 1209 4B 1381 4B 1381 H3B 938 4B 1209 4B 1381 4B 1209 H3B 938 H3B 938 4B 1381 4B 1209 1 2 2 3 3 4 4 5 12 11 10 6 7 8 9 13 13 14 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 27 42 28 28 49 49 48 48 55 55 59 57 66 63 69 69 70 70 71 71 73 73 74 74 75 75 76 77 79 78 82 80 81 84 85 97 97 84 62 37 H2B 706 H2B 706 H2B 706 H2B 706 H2B 706 H2B 706 H2B 706 H2B 706 H2B 706 H2B 706 H2B 706 H2B 706 4B 1381 4B 1381 4B 1475 1 2 3 4 5 9 10 11 12 13 14 15 16 17 30 29 28 27 31 32 35 39 40 42 43 44 45 46 51 48 49 50 52 54 53 55 56 57 58 59 60 62 63 64 65 66 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 98 89 92 93 97 8 7 6 38 34 33 99 100 101 102 3B 965 3B 965 4B 1475 4B 1475 4B 1475 4B 1381 4B 1381 18 19 20 21 22 23 24 25 4B 1209 H3B 938 3B 965 4B 1475 4B 1381 25 25 26 26 26 30 30 27 29 29 31 31 33 34 34 35 35 36 36 36 37 37 39 41 40 43 43 44 44 45 45 47 47 51 51 53 53 54 54 65 64 68 86 86 87 87 88 88 90 90 91 92 92 93 93 1 32 32 41 47 46 46 50 50 52 52 61 60 58 67 67 72 72 76 83 90 89 89 91 91 98 98 4B 1475 38 38 56 56 63 77 68 67 66 65 57 58 59 60 64 61 61 62 42 41 40 39 4B 1209 5 6 7 8 9 10 11 12 78 79 80 81 82 83 14 105 V V 85 2B 759 H3B 938 103 2B 759 4B 1381 2B 759 4B 1475 3B 965 99 99 100 100 101 101 102 102 103 103 105 106 108 104 15 104 104 107 94 95 96 94 94 95 95 96 96 106 107 108 110- 113 H2B 706 108 108 106 105 109 110 111 112 107 109 109 113 109 El. Sub-St. 4B 1149A H3B 938 H3B 938 H3B 920 H3B 920 H3B 920 H3B 920 H3B 920 H3B 920 H3B 920 H3B 920 H3B 920 H3B 920 H3B 920 H3B 920 H3B 920 H3B 920 H3B 920 H3B 920 4B 1475 4B 1149A 4B 1149A 4B 1149A H3B 938 4B 1149A 4B 1149A B 2 no. 1B 513 4B 1475 B 33 FLOW CONTROL MH 1.85m DESIGN HEAD 8.3l/s DISCHARGE RATE BALANCING POND 1380m³ VOLUME BASE LEVEL 95.35m TOP OF BANK LEVEL 97.45m 1.8m MAX WATER DEPTH 0.3m FREEBOARD 1:3 SIDE SLOPES APPROX 95.00 BED LEVEL AT OUTFALL G G G G G G G HP HP C ROAD 1 G G 10 150∅ @ 1:150 150∅ @ 1:150 150∅ @ 1:150 .700 103.800 103.900 103.900 104.000 104.100 104.200 104.300 104.400 108.900 108.900 109.000 109.100 109.200 109.300 109.400 109.500 00 F53 F55 F71 F73 4.000 4.001 6.000 6.001 Diam 150 Diam 150 Diam 150 150 150∅ @ 1:150 150∅ @ 1:150 150∅ @ 1:150 150∅ @ 1:150 106.579 107.000 106.579 102.202 102.325 102.202 SURFACE WATER OUTFALL FROM ADJACENT DEVELOPMENT PHASE IL102.75 IL103.98 IL102.67 IL99.32 IL100.37 IL97.45 IL99.25 IL97.30 IL95.80 IL95.73 IL95.78 IL95.66 IL95.63 IL95.32 IL95.25 IL95.29 S1 CL106.03 S4 CL101.87 S5 CL100.87 S6 CL99.97 S7 CL97.66 S8 CL97.60 HEADWALL1 HEADWALL2 FLOW CONTROL CL98.00 HEADWALL3 IL102.75 IL102.85 S2 CL104.28 S3 CL104.47 IL105.25 IL102.65 IL99.13 IL101.32 IL98.42 IL99.05 IL98.35 IL96.38 IL96.90 IL95.73 IL96.30 S9 CL108.00 S10 CL104.15 S11 CL102.89 S12 CL100.83 S13 CL100.33 S17 CL98.05 S18 CL97.80 IL98.97 IL99.32 IL98.90 S14 CL100.75 S15 CL100.65 S16 CL99.18 1.000 100mm 1:21 IL99.99 IL102.15 1.001 150mm 1:39 IL99.94 1.002 150mm 1:150 IL99.13 1.003 150mm 1:20 IL98.98 1.004 150mm 1:21 IL98.50 1.005 150mm 1:129 IL96.45 1.006 150mm 1:6 IL96.00 1.007 150mm 1:90 IL94.50 IL94.55 F1 CL104.19 F2 CL101.93 F3 CL100.50 F4 CL100.74 F5 CL100.61 F12 CL98.13 F17 CL97.85 2.000 100mm 1:32 IL102.30 IL104.90 2.001 150mm 1:18 IL102.25 2.002 150mm 1:16 IL100.79 2.003 150mm 1:17 IL98.70 2.004 150mm 1:30 IL97.95 F6 CL107.91 F7 CL104.07 F8 CL102.77 F9 CL100.75 F10 CL100.29 F11 CL99.26 3.000 100mm 1:21 IL98.00 3.001 150mm 1:150 IL95.00 3.002 150mm 1:150 IL94.91 F13 CL99.77 F14 CL97.67 F15 CL97.58 F16 CL98.10 IL97.05 1.000 150mm 1:150 IL107.14 F18 CL108.61 F19 1.001 150mm 1:150 IL107.07 PROPOSED FOUL WATER PUMPING STATION 15m CORDON SANITAIRE FROM WET WELL COMPOUND TO BE CONSTRUCTED AND SURFACED IN ACCORDANCE WITH SEVERN TRENT WATER DETAILS STD1016-2 (LAYOUT B) PUMPING STATION AND RISING MAIN TO BE ACCORDANCE WITH CHOSEN MANUFACTURERS SPECIFICATION AND CONSTRUCTION TO INSTALLATION GUIDELINES. 108.85 108.70 106.85 106.70 106.70 106.50 106.05 105.15 104.40 103.80 103.00 103.15 103.00 102.30 101.90 102.05 100.35 100.50 100.50 100.85 100.55 100.30 100.00 100.00 99.850 99.700 99.550 99.250 98.950 98.650 98.950 98.650 98.500 108.45 107.45 106.80 106.65 106.65 106.10 105.50 105.05 104.45 104.25 104.10 104.10 103.40 102.90 101.50 101.00 100.75 100.00 99.850 100.45 100.30 101.05 100.90 101.35 101.20 102.95 102.65 102.65 107.60 106.60 105.45 105.60 106.15 105.00 104.10 103.10 103.10 103.60 103.95 109.30 109.50 108.80 108.35 108.50 108.35 108.25 107.65 107.80 107.65 107.40 106.50 106.70 105.95 106.10 105.10 105.25 105.10 104.95 104.50 104.35 103.15 101.65 100.80 100.80 101.95 101.80 101.20 100.10 101.00 100.40 101.15 100.35 99.650 99.350 99.050 98.850 98.550 98.250 98.150 97.850 98.000 98.000 98.300 98.300 98.900 99.050 99.650 99.500 100.80 100.70 102.35 100.85 101.20 100.75 103.40 100.55 104.35 105.60 99.200 104.25 108.50 99.800 99.800 99.350 99.350 99.050 97.85 104.35 108.85 106.85 106.50 106.05 105.60 105.15 106.10 105.50 105.05 104.45 103.60 103.95 103.40 102.95 ADOPTABLE SURFACE WATER SEWER ADOPTABLE FOUL WATER SEWER S1 00.000 F1 00.000 SITE BOUNDARY KEY FOUL WATER RISING MAIN (ASSUMED 100mm DIAMETER) PLOT 34 FFL 98.15m 95.992 96.000 96.059 96.221 96.384 96.541 96.694 96.848 97.006 97.116 97.259 97.401 97.543 97.693 97.843 96.375 97.286 95.745 95.350 95.350 95.350 95.350 96.292 97.614 97.739 70.000 65.000 60.000 55.000 50.000 45.000 40.000 35.000 30.000 25.000 20.000 15.000 10.000 5.000 0.000 POND CROSS SECTION (SCALE 1:200) EXISTING LEVEL PROPOSED LEVEL CHAINAGE BALANCING POND BASE LEVEL 97.45m 1.8m MAX WATER DEPTH 0.3m FREEBOARD CLIENT DRAWN AUTHORISED SCALE DATE PROJECT NO. DRAWING NO. REV REV DESCRIPTION DATE BY AUTH NB DB 1:500@A1 25.04.17 3 D 1. DO NOT SCALE FROM THIS DRAWING. IF IN DOUBT CONTACT TRAVIS BAKER LIMITED. 2. ALL DIMENSIONS ARE IN METRES UNLESS OTHERWISE NOTED. 3. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH ALL OTHER RELEVANT DRAWINGS RELATING TO THIS PROJECT. 4. ALL DIMENSIONS SHOULD BE CHECKED ON SITE PRIOR TO CONSTRUCTION. ANY DISCREPANCIES SHOULD BE IMMEDIATELY NOTIFIED IN WRITING TO TRAVIS BAKER LIMITED. 5. THE CONTRACTOR SHALL PRIOR TO CONSTRUCTION CHECK AND VERIFY THAT THE DETAILS SHOWN ON THIS DRAWING ARE FULLY COMPATIBLE WITH ANY AS CONSTRUCTED DIMENSIONS OR LEVELS. ANY DISCREPANCIES TO BE REPORTED IMMEDIATELY IN WRITING TO TRAVIS BAKER LIMITED. 6. THIS DRAWING HAS BEEN PREPARED FOR THE EXCLUSIVE USE OF THE COMMISSIONING PARTY AND UNLESS AGREED IN WRITING BY TRAVIS BAKER LIMITED NO OTHER PARTY MAY USE OR RELY ON ITS CONTENTS. NO LIABILITY IS ACCEPTED BY TRAVIS BAKER LIMITED FOR ANY USE OF THIS DRAWING OTHER THAN FOR THE PURPOSE FOR WHICH IT WAS ORIGINALLY PREPARED. 7. IT SHOULD BE NOTED THAT THIS DRAWING MAY INCLUDE DATA PROVIDED BY THIRD PARTIES. NO LIABILITY IS ACCEPTED BY TRAVIS BAKER LIMITED AS TO THE ACCURACY OF THIS DATA. 8. THIS DRAWING SHALL NOT BE REPRODUCED IN ANY WAY WITHOUT THE WRITTEN PERMISSION OF TRAVIS BAKER LIMITED. Tel: 0121 550 8037 Fax: 0121 550 8047 [email protected] www.travisbaker.co.uk PROJECT TITLE STATUS. COPYRIGHT TRAVIS BAKER LIMITED. ALL RIGHTS RESERVED. Travis Baker Trinity Point New Road Halesowen West Midlands B63 3HY ST MODWEN HOMES 17014 UTTOXETER PHASE 1D/2A DRAINAGE STRATEGY PRELIMINARY THE INFORMATION SHOWN ON THIS DRAWING IS PRELIMINARY ONLY AND SUBJECT TO DETAILED DESIGN THE DESIGN OF THE FOUL WATER PUMPING STATION IS TO BE BY OTHERS THE FINAL ALIGNMENT OF THE SEWERAGE AND RISING MAIN WILL ENSURE THAT ALL CAN BE LOCATED WITHIN CARRIAGEWAY A RISING MAIN ADDED 25.04.17 NB DB B NEW LAYOUT INCORPORATED 09.05.17 MK DB C POND CROSS SECTION INTRODUCED. 25.05.17 MK DB D LATEST LAYOUT ADDED. NEW POSITION OF PUMP STATION ADDED AND DRAINAGE AMENDED TO SUIT. UPDATED SLAB LEVELS ADDED. 23.08.17 LH NGW

Transcript of APPROX 95.00 BED LEVEL AT OUTFALL FLOW CONTROL MH … Application/630000/63… · IC VP VP SP SP...

Page 1: APPROX 95.00 BED LEVEL AT OUTFALL FLOW CONTROL MH … Application/630000/63… · IC VP VP SP SP invt invt invt invt EP EP w.l. w.l. w.l. w.l. w.l. w.l. 104.45 104.54 105.53 105.52

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4B1209

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4B1209

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4B1209

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hob

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master

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GAS

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H2B706 telecom

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GAS

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GAS

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33

FLOW CONTROL MH

1.85m DESIGN HEAD

8.3l/s DISCHARGE RATE

BALANCING POND

1380m³ VOLUME

BASE LEVEL 95.35m

TOP OF BANK LEVEL 97.45m

1.8m MAX WATER DEPTH

0.3m FREEBOARD

1:3 SIDE SLOPES

APPROX 95.00 BED

LEVEL AT OUTFALL

G

G

G

G

G

G

G

H

P

H

P

C

RO

AD

1

G

G

1

0

1

5

0

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1

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1

5

0

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1

:

1

5

0

150∅

@

1:150

1

0

3

.

7

0

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103.800

103.900

1

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3

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9

0

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104.000

1

0

4

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0

0

0

1

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4

.

1

0

0

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2

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9

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9

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9

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9

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2

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3

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4

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109.500

1

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5

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F

5

3

F

5

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F

7

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F

7

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4.000

4

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0

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106.579

107.000

1

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6

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5

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1

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2

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2

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2

1

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2

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3

2

5

1

0

2

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2

0

2

SURFACE WATER OUTFALL FROM

ADJACENT DEVELOPMENT PHASE

I

L

1

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2

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7

5

I

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1

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3

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9

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IL99.32

IL100.37

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9

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9

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9

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9

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IL95.32

IL95.25

IL95.29

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4

C

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2

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1

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IL105.2

5

I

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1

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2

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6

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IL99.1

3

IL101.3

2

I

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9

8

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4

2

I

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9

9

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IL98.35

I

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9

6

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3

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I

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9

6

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9

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9

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7

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9

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1.000 100mm

1:21

IL99.99

IL102.15

1.001

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1:39

IL99.94

1

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0

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1:21IL98.50

1

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0

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1

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1

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9

8

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1

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9

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1:32

IL102.30

IL104.90

2

.

0

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1

1

5

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m

m

1

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1

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I

L

1

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2

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2

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2.002

150m

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1:16I

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2

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0

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1

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m

1

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1

7

I

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9

8

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7

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150m

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1:30

IL97.95

F

6

C

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1

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9

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7

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1

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4

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1

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9

9

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7

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1

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6

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1

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9

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5

8

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1

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9

8

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1

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1.000

150m

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F

1

8

C

L

1

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8

.

6

1

F

1

9

1.001

150m

m

1:150

IL107.07

PROPOSED FOUL WATER PUMPING STATION

15m CORDON SANITAIRE FROM WET WELL

COMPOUND TO BE CONSTRUCTED AND

SURFACED IN ACCORDANCE WITH SEVERN

TRENT WATER DETAILS STD1016-2 (LAYOUT B)

PUMPING STATION AND RISING MAIN TO BE

ACCORDANCE WITH CHOSEN MANUFACTURERS

SPECIFICATION AND CONSTRUCTION TO

INSTALLATION GUIDELINES.

108.85

1

0

8

.

7

0

106.85

106.70

106.70

106.50

106.05

105.15

1

0

4

.

4

0

1

0

3

.

8

0

103.00

1

0

3

.

1

5

103.00

1

0

2

.

3

0

1

0

1

.

9

0

1

0

2

.

0

5

1

0

0

.

3

5

1

0

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5

0

1

0

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5

0

1

0

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8

5

1

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5

5

1

0

0

.

3

0

1

0

0

.

0

0

1

0

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0

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9

9

.

8

5

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9

9

.

7

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9

9

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5

5

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9

9

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2

5

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9

8

.

9

5

0

9

8

.

6

5

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9

8

.

9

5

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9

8

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6

5

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9

8

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5

0

0

1

0

8

.

4

5

1

0

7

.

4

5

1

0

6

.

8

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106.65

106.65

106.10

105.50

105.05

104.45

104.25

104.10

104.10

1

0

3

.

4

0

1

0

2

.

9

0

1

0

1

.

5

0

101.00

100.75

1

0

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.

0

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99.850

1

0

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.

4

5

100.30

1

0

1

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0

5

1

0

0

.

9

0

1

0

1

.

3

5

101.20

102.95

1

0

2

.

6

5

1

0

2

.

6

5

1

0

7

.

6

0

1

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6

.

6

0

1

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5

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4

5

1

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6

0

1

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6

.

1

5

1

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5

.

0

0

1

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4

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1

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103.10

103.10

103.60

103.95

1

0

9

.

3

0

1

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9

.

5

0

1

0

8

.

8

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108.35

108.50

1

0

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5

1

0

8

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2

5

1

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7

.

6

5

1

0

7

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8

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5

1

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4

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5

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1

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6

.

7

0

1

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.

9

5

1

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6

.

1

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105.10

1

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.

2

5

1

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1

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1

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4

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9

5

104.50

1

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.

3

5

1

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3

.

1

5

1

0

1

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6

5

1

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.

8

0

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8

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101.95

101.80

101.20

100.10

101.00

100.40

1

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1

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1

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3

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9

9

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6

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100.85

101.20

100.75

103.40

100.55

1

0

4

.

3

5

105.60

9

9

.

2

0

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104.25

108.50

99.800

99.800

99.350

99.350

99.050

9

7

.

8

5

1

0

4

.

3

5

108.85

106.85

106.50

106.05

105.60

105.15

106.10

105.50

105.05

104.45

103.60

103.95

103.40

102.95

ADOPTABLE SURFACE WATER SEWER

ADOPTABLE FOUL WATER SEWER

S1

00.000

F1

00.000

SITE BOUNDARY

KEY

FOUL WATER RISING MAIN

(ASSUMED 100mm DIAMETER)

PLOT 34

FFL 98.15m

95.992

96.000

96.059

96.221

96.384

96.541

96.694

96.848

97.006

97.116

97.259

97.401

97.543

97.693

97.843

96.375

97.286

95.745

95.350

95.350

95.350

95.350

96.292

97.614

97.739

70.000

65.000

60.000

55.000

50.000

45.000

40.000

35.000

30.000

25.000

20.000

15.000

10.000

5.000

0.000

POND CROSS SECTION (SCALE 1:200)

EXISTING LEVEL

PROPOSED LEVEL

CHAINAGE

BALANCING POND

BASE LEVEL 97.45m

1.8m MAX WATER DEPTH

0.3m FREEBOARD

CLIENT

DRAWNAUTHORISED SCALE

DATE

PROJECT NO. DRAWING NO. REV

REVDESCRIPTION

DATE BY AUTH

NB DB 1:500@A1 25.04.17

3 D

1. DO NOT SCALE FROM THIS DRAWING. IF IN DOUBT CONTACT TRAVIS BAKER LIMITED.

2. ALL DIMENSIONS ARE IN METRES UNLESS OTHERWISE NOTED.

3. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH ALL OTHER RELEVANT

DRAWINGS RELATING TO THIS PROJECT.

4. ALL DIMENSIONS SHOULD BE CHECKED ON SITE PRIOR TO CONSTRUCTION. ANY

DISCREPANCIES SHOULD BE IMMEDIATELY NOTIFIED IN WRITING TO TRAVIS BAKER

LIMITED.

5. THE CONTRACTOR SHALL PRIOR TO CONSTRUCTION CHECK AND VERIFY THAT THE

DETAILS SHOWN ON THIS DRAWING ARE FULLY COMPATIBLE WITH ANY AS

CONSTRUCTED DIMENSIONS OR LEVELS. ANY DISCREPANCIES TO BE REPORTED

IMMEDIATELY IN WRITING TO TRAVIS BAKER LIMITED.

6. THIS DRAWING HAS BEEN PREPARED FOR THE EXCLUSIVE USE OF THE COMMISSIONING

PARTY AND UNLESS AGREED IN WRITING BY TRAVIS BAKER LIMITED NO OTHER PARTY

MAY USE OR RELY ON ITS CONTENTS. NO LIABILITY IS ACCEPTED BY TRAVIS BAKER

LIMITED FOR ANY USE OF THIS DRAWING OTHER THAN FOR THE PURPOSE FOR WHICH

IT WAS ORIGINALLY PREPARED.

7. IT SHOULD BE NOTED THAT THIS DRAWING MAY INCLUDE DATA PROVIDED BY THIRD

PARTIES. NO LIABILITY IS ACCEPTED BY TRAVIS BAKER LIMITED AS TO THE ACCURACY

OF THIS DATA.

8. THIS DRAWING SHALL NOT BE REPRODUCED IN ANY WAY WITHOUT THE WRITTEN

PERMISSION OF TRAVIS BAKER LIMITED.

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PROJECT

TITLE

STATUS.

COPYRIGHT TRAVIS BAKER LIMITED. ALL RIGHTS RESERVED.

Travis Baker

Trinity Point

New Road

Halesowen

West Midlands

B63 3HY

ST MODWEN HOMES

17014

UTTOXETER

PHASE 1D/2A

DRAINAGE STRATEGY

PRELIMINARY

THE INFORMATION SHOWN ON THIS

DRAWING IS PRELIMINARY ONLY AND

SUBJECT TO DETAILED DESIGN

THE DESIGN OF THE FOUL WATER

PUMPING STATION IS TO BE BY OTHERS

THE FINAL ALIGNMENT OF THE

SEWERAGE AND RISING MAIN WILL

ENSURE THAT ALL CAN BE LOCATED

WITHIN CARRIAGEWAY

A RISING MAIN ADDED 25.04.17 NB DB

B NEW LAYOUT INCORPORATED 09.05.17 MK DB

C POND CROSS SECTION INTRODUCED. 25.05.17MK DB

D LATEST LAYOUT ADDED. NEW POSITION

OF PUMP STATION ADDED AND

DRAINAGE AMENDED TO SUIT.

UPDATED SLAB LEVELS ADDED.

23.08.17 LH NGW

carole.booth
Text Box
P_2017_00572 REVISED Drainage Strategy RECEIVED 25.08.17
carole.booth
Text Box
P_2017_00572 REVISED Drainage Strategy RECEIVED 25.08.17