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Attachment I - Updated Engineering Report & SWMP
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Original PDF page 28, section 1. The text section number identifies this passage in the reader.
Residential Building A
DRAINAGE NOTES:
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spoon drain spoon drain
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1. ALL STORMWATER CATCHMENT NAMES ARE AS PER THE STORMWATER PITS THEY
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RL 8.40
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CONTRIBUTE TO.
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2. REFER DRAWINGS CA01 FOR STORMWATER CATCHMENTS AND CALCULATION
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TABLES.
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BIO BASIN
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RL 6.80
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3. ALL PIPES ARE R.C.P. CLASS 2, R.R.J. U.N.O. RL 5.7
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4. ALL STORMWATER PITS TO BE CONSTRUCTED TO BCC STD DRAWING BSD-8051 U.N.O.
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2m2 DUMP ROCK SCOUR
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PROTECTION (d50=0.2)
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5. ALL STORMWATER MANHOLES ARE TO BE STD 1050 DIA U.N.O.
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WATER SUB-METER RL 5.30
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ASSEMBLY
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6. ALL INTERALLOTMENT PITS TO BE 0.5m OFFSET FROM PROPERTY BOUNDARIES,
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UNLESS NOTED OTHERWISE. ALL PROPERTY DRAINAGE PITS TO HAVE A 150mm DIA
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uPVC SEALED STUB FOR ROOFWATER CONNECTION.
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Datum 4.00
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7. PROVIDE 150mm ROOFWATER STUBS TO ALL ALLOTMENT PITS.
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SECTION D
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BLOCKWORK RETAINING WALL
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Fire
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8. TOP OF ALL REAR ALLOTMENT PITS SHALL BE 200mm BELOW FINISHED SURFACE REFER STRUCTURAL DWGS
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EXIT Stairs
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SCALE: 1:50
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LEVEL. 1 FOR DETAILS
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DETENTION
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C
D.P
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1.2
9. ALL STORMWATER DRAINAGE PIPES LOCATED IN PRIVATE PROPERTY TO HAVE THE - 0.3m OPENING FOR SEVERE STORM /
IL 5.70 2m2 DUMP ROCK SCOUR 0.3m HIGH WEIR
FOLLOWING EASEMENTS:
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BLOCKAGE FLOWS. PROVIDE CHILD
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PROTECTION (d50=0.2) RL 8.60
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MANHOLE
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a) 225Ø RCP'S (OR LESS) = 1.5m WIDE B AREA 23m2 ACCESS
PROOF / RODENT PROOF SCREENING
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IL 4.60
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b) 300Ø RCP'S (OR MORE) = 3.0m WIDE. - TO OPENING
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MANHOLE TANK 0.9
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RL 4.60 ACCESS
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c) AUSDRAIN CAGES = 1.5m WIDE.
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150Ø ORIFICE
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TANK OUTLET
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0.9
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RL 5.70
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10. ALL ALLOTMENTS NOT SERVICED BY INTERALLOTMENT DRAINAGE ARE TO HAVE TWO RL 7.20 2x100Ø ORIFICE MANHOLE
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