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Site PLAN-C10 - Bulk Earthworks
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NOT FOR CONSTRUCTION
UPSTREAM SPOON DRAIN (600mm WIDE)
134
2H:1V MAX BATTER VANTAGE VSPOON DRAIN
2m MIN OR SIMILAR
132
38
2M WIDE BENCH
°M
PIPED STORMWATER
ANGULAR ROCK ENERGY DISSIPATOR AT OUTLET
AX
CROSSING
MEAN DIAMETER (D50) 200mm 9m 450mm PIPED CROSSING
38
1.8m L x 1.2m W x 0.32m D WITH CONCRETE HEADWALL 1m UPSTREAM SPOON DRAIN (450mm WIDE)
°M
AND ENDWALL AT 2% SLOPE
AX
22 ROCK ENERGY DISSIPATOR
°M
AX
132
13434
1
136
DATUM RL 127.000
134 AS CON BATTER EXTENTS
134
67m Ø450mm VANTAGE CONCRETE
VSPOON DRAIN (OR EQUIVALENT)
AT 1% SLOPE
DESIGN BATTER EXTENTS
1
34
DRAINAGE DIRECTION
138.084
138.077
138.063
134.086
134.541
134.528
134.459
134.412
134.746
133.698
130.000
DESIGN
0
A
13
143.531
139.584
139.095
138.075
134.086
134.541
134.538
134.463
134.412
134.407
134.387
130.000
129.868
129.695
SURVEY (AS CON)
13
0
CHAINAGE
11.409
16.709
18.027
36.676
37.401
49.173
51.363
9.325
10
20
30
40
50
0
A-A - LONGITUDINAL SECTION
A1 HORZ SCALE 1:500
A1 VERT SCALE 1:250
128
136
138 PAD STORMWATER CATCHMENT
AREA: 0.16Ha
UPSTREAM STORMWATER CATCHMENT
AREA: 0.65Ha
Fi (Assumed): 20.0% Fi: 0.0%
tc (Mannings eqn): 6 Min tc (Friends eqn): 16 Min
Itc (1 IN 100): 302mm/hr Itc (1 IN 100): 205mm/hr
RATIONAL METHOD RATIONAL METHOD
140.0
1hrI10: 70.2mm/hr 1hrI10: 70.2mm/hr
0 C10: 0.74 C10: 0.70
13
13
13 Fy: 1.2 Fy: 1.2
0
0
Climate factor: 1.2 Climate factor: 1.2
130
Qy = 1/360 * 0.16 * (1.2*0.74) * 302*1.2 Qy = 1/360 * 0.65 * (1.2*0.70) * 205 *1.2
EXISTING BOULDER TO
= 0.143m³/s = 0.373m³/s
14
BE RETAINED
2
23/03/2022
SPOON DRAIN CAPACITY (CIRCULAR)- Mannings SPOON DRAIN CAPACITY (CIRCULAR)- Mannings
VANTAGE VSPOON OR EQUIVALENT VANTAGE VSPOON OR EQUIVALENT EA ID: 2557785
RPEQ: 26443
2 Ø: 0.45m Ø: 0.6m
13213
132
A
r: 0.225m r: 0.3m
14 n: 0.013 n: 0.013
Sf : 0.01
134
4 Sf : 0.015 DO NOT SCALE, IF IN DOUBT ASK!
Area of flow: 0.08m² Area of flow: 0.141m²
134 P: 0.707m P: 0.942m
R: 0.113m R: 0.15m
.0
135 Qmax: V*A Qmax: V*A
V: (1/n)*R^2/3*S^1/2 V: (1/n)*R^2/3*S^1/2
34
MAX FLOW DEPTH
136 1 14 V: 1.79m/s V: 2.66m/s
Qmax: 0.143m³/s Qmax: 0.376m³/s
6 Qmax >= Qy : TRUE Qmax >= Qy : TRUE
14
TREE IMPACTED BY BATTER TO B 18/03/22 REVISED SITE CONDITIONS BP NW
2
BE REMOVED OR RELOCATED STORMWATER CATCHMENT ASSESSMENT - SPOON DRAIN SIZING A 04/02/22 ISSUE FOR OP WORKS BP NW
13 CLEAR OF EARTHWORKS DIAMETER Rev Date Description By Chk
8
8 13
BASED ON SEMI-CIRCULAR CONCRETE PIPE SPOON DRAIN
NOMINALLY VANTAGE VSPOONDRAIN OR APPROVED EQUIVALENT
EARTHWORK NOTES
14
0 1. CONTRACTOR IS TO LOCATE ANY UNDERGROUND SERVICES WITHIN THE VICINITY AND NOTIFY RECOR OF ANY CONFLICTS.
14
14 2. ALL EARTHWORKS ARE TO BE IN ACCORDANCE WITH THE REQUIREMENTS OF "GEOTECHNICAL INVESTIGATION GLOBAL STABILITY
2
0 ASSESSMENT" DATED NOVEMBER 2021 BY MORRISON GEOTECHNIC. [email protected]
3. UPSTREAM CUT BATTER TO BE MAXIMUM 38° SLOPE TO A MAXIMUM 4m HEIGHT WITH 2M BENCH AND UPPER BATTER AT 38° MAXIMUM SLOPE 37 MARY ST NOOSAVILLE, QLD
REMOVE EARTHWORKS AND 77m Ø600mm VANTAGE CONCRETE TO MAXIMUM HEIGHT OF 3.5M. 07 5211 1003
REINSTATE TO EXISTING WHERE VSPOON DRAIN (OR EQUIVALENT) 4. DOWNSTREAM FILL BATTER TO BE MAXIMUM 2.5H:1V SLOPE Client
14
EARTHWORKS HAVE EXTENEDED MIN 1.5% SLOPE 5. FOLLOWING STRIPPING AND EXCAVATION OF PAD TO DESIGN LEVELS, PROOF ROLL TO IDENTIFY ANY SOFT SPOTS. SOFT SPOTS TO BE GEOFF HUSSIN
2
BEYOND PROPERTY BOUNDARY
EXCAVATED AND REPLACED WITH SELECT FILL. Project Name
6. ALL FILL TO BE COMPACTED AT +1-2% OPTIMUM MOISTURE CONTENT FOR STANDARD COMPACTION, AND FILL PLACED IN LAYERS MAXIMUM 36 TUNBA COURT
COOROY MOUNTAIN
150mm TO 200mm THICK (LOOSER THICKNESS) AND COMPACTED TO ACHIEVE DRY DENSITY RATIO OF MINIMUM 95% MAX DRY DENSITY
7. TEMPORARY OPEN SWALES AND DIVERSION DRAINS TO BE PLACED UPSTREAM OF EARTHWORKS DURING CONSTRUCTION TO PROTECT
14
EXTEND PAD IN CORNER TO EXCAVATION FROM SURFACE RUN-OFF.
4
Title
EXCAVATE PAST EXISTING POCKETS 8. GRADE FINISHED SURFACES LOCALLY TOWARDS THE DRAINAGE LINE TO ENSURE FINISHED SURFACE IS FREE DRAINING AND WITHOUT BULK EARTHWORKS PLAN
IN BATTER AREAS SUBJECT TO PONDING.
9. VANTAGE VSPOON DRAINS (OR APPROVED EQUIVALENT) ARE TO BE INSTALLED IN ACCORDANCE WITH MANUFACTURERS REQUIREMENTS
AND SPECIFICATIONS.
14
10. CONCRETE HEADWALLS AND PIPES ARE TO BE INSTALLED IN ACCORDANCE WITH MANUFACTURERS REQUIREMENTS AND SPECIFICATIONS.
6
11. STORMWATER TO DISCHARGE THROUGH ROCKY ENERGY DISSIPATOR COMPRISED OF 320mm THICKNESS OF ANGULAR ROCK, WITH MEAN Project No. Discipline Status
DIAMETER OF 200mm TO PREVENT EROSION AND SCOUR AT OUTLETS. 20220004 CIVIL PRELIMINARY
12. EROSION AND SEDIMENT CONTROLS ARE TO BE IMPLEMENTED IN ACCORDANCE WITH THE EROSION AND SEDIMENT CONTROL PLAN Designed By Drawn By Scale
1:400
PREPARED BY AUSSIE ENVIRONMENTAL. BRP BRP (at A3)
13. ALL EXPOSED SURFACES ARE TO BE STABILISED WITH GRASS SEEDING OR TURFING AS SOON AS PRACTICABLE FOLLOWING COMPLETION OF Drawing No. Revision
EARTHWORKS. C30 B
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