Original source · versioned page text
2499 - 33 Pavilion St, Pomona - Revised Civil Drawings_Optimized
Original PDF page 12, section 1. The text section number identifies this passage in the reader.
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P (2)
5(RC
2) )P(
IL 85 4/1 (2x)37
5(RC
IL 85 4/1 (2x)37
.4 6 0
3 /1 to
.460
3/1 to
4/1 to
5/1 75
0(RCP 0.371
(2)
IL 85.4 ) 0.374
40 CUT OFF DRAIN SIZING
0.073
Cut off Drain # A B C D E F1 F2
Catchment Details
Catchment Name 1/2 1/2 1/3 1/3 + 3/2 EXT1 EXT1 EXT1
Catchment Size (ha) 0.2778 0.2778 0.1021 0.2663 0.4593 0.4593 0.4593
1%AEP Runoff (m³/s) 0.225 0.225 0.097 0.216 0.297 0.297 0.297
Pipe system draw off (m³/s) 0 0 0 0.138 - - -
Nett overland flow (m³/s) 0.225 0.225 0.097 0.078 0.297 0.297 0.297
Swale Details
Longitidinal Grade (%) 2.3 8.8 1.9 1 1 8.5 3.2
Base (m) 0.6 0.3 0.3 0.3 1.1 0 0.7
Side Batter LHS (1:x) 1 1 1 1 1 3 1
4/1 - 1200 DIA EXTENDED 900 Side Batter RHS (1:x) 1 1 1 1 1 0.001 1
Mannings n value 0.03 0.03 0.03 0.03 0.03 0.03 0.03
Channel Width (m) 1.50 1.20 1.20 1.20 2.00 1.60 1.60
Total Depth (m) 0.45 0.45 0.45 0.45 0.45 0.53 0.45
Channel Capacity (m³/s) 0.95 1.20 0.56 0.40 1.03 1.38 1.26
1% AEP Depth of Flow (m) 0.20 0.20 0.19 0.20 0.22 0.30 0.20
Freeboard 0.25 0.25 0.26 0.25 0.23 0.23 0.25
4/2 to 5/2
450(PVC S
BDY / EASEMENT
BDY / EASEMENT
IL 86.725 N8)
0.3
50
)
SN8
( PVC 6.705 EASEMENT WIDTH
/1 450 IL 8 AS PER LAYOUT PLAN
o2
5 /2 t CHANNEL WIDTH
EXISTING SURFACE
AS SHOWN ABOVE
FREEBOARD
5/2 - 900 x 900 EARTHWORKS BATTER (TYPICAL)
1:1 SIDE BATTER (TYP)
DESIGN SURFACE
1% AEP DEPTH OF FLOW BASE PROVIDE JUTE MATTING ON SIDE BATTERS
TO ASSIST IN VEGETATION ESTABLISHMENT
TYPICAL SECTION
STORMWATER STRUCTURE DETAILS CUT OFF DRAIN DETAILS
SCALE 1:20 NOT TO SCALE
p:\2499-33 pavillion st pomona\design\civil\acad [opw]\c340 stormwater structures details.dwg
PROJECT: JOB NUMBER
REV DATE DESCRIPTION BY CHKD DETAILS SCALE APPROVED PROPOSED RESIDENTIAL DEVELOPMENT
A 11.07.25 FOR APPROVAL EC CS
Barlow Shelley Pty Ltd
ABN 29 679 702 599
AT 33A PAVILION STREET POMONA 2499
DATUM AHD
B
C
29.08.25
13.11.25
RFI RESPONSE
RFI RESPONSE
CS
EC
CS
CS DESIGN EC 1:20 0.2 0 0.2 0.4 0.6 0.8 1 A1
................. 07 5443 8285 FOR PSP DEVELOPMENTS PTY LTD
PO Box 899
1:40 Engineer: TIM BURKE Maroochydore 4558 DRAWING TITLE: DRAWING NUMBER REV
DRAWN EC A3
[email protected]
DESIGN CHECK CS
(RPEQ 25245)
barlowshelley.com.au
STORMWATER STRUCTURES AND C340 C
DRAWING STATUS
DATE 18-06-2025 FOR APPROVAL
CUT-OFF DRAIN DETAILS
This drawing is not to be copied or amended without written permission from Barlow Shelley Pty Ltd
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