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Attachment F - Addendum to Engineering Report (00016989)
Attached to the e-mail MCU15/0053 Plans & Applicant's Response to Information Request.
Unit Development 30-32 Doonella Street, Tewantin T SUPPLEMENTARY INFORMATION TO ENGINEERING REPORT 1. INTRODUCTION This report shall be read in conjunction with the Tod Consulting report dated 9 June 2015 and has been prepared in response to item 5 of Noosa Council’s Request for Information dated 2 July 2015. 2. PRELIMINARY STORMWATER DRAINAGE DESIGN A preliminary stormwater drainage plan has been prepared (marked up on architectural site plan) and is attached to this report. The plan shows proposed stormwater pipe levels within the site for various areas and demonstrates that a vast majority of the site can be conveyed to the proposed bio retention basin in the south east corner of the site. The exception is the ramp area to the basement car park. This area has been allowed for in the water quality modelling prepared by our sub consultant Aqua Intel. Roof water re-use has also been included in the modelling. It is proposed to locate the rainwater tank in the north east corner of the basement for irrigation purposes. The overflow pipe from the rainwater tank has been set 1.6m above the basement floor height at RL 6.2 to ensure there is sufficient fall to convey the overflow to the bio retention basin. The inlet to the bio retention basin from site drainage pipes has been set at RL 4.8 which is approximately 200mm below the existing ground level at this location. Minor earthworks will be required to form the bio retention basin. The bio basin overflow pit is set at RL 5.1 to provide the 300mm extended detention depth required by the water quality modelling. Outflows from the bio basin flow to a 20m3 detention tank. The outlet pipe level from the basin of RL 4.0 allows for the depth of filter media specified in the water quality modelling report. A 300mm diameter outlet from the detention tank at RL 3.9 connects to the existing drainage pit in Doonella St at this location that has an invert level of RL 3.0. A 2m wide grass lined weir will also be provided from the bio basin to provide overflow capacity from the basin for the Q100 event. Rev B J/N 13672 August 2015 Page 1 of 2
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Unit Development 30-32
Doonella Street, Tewantin
T
Due to space constraints of the site it will be necessary to provide a low retaining
wall along the side of the bio basin adjacent to the eastern boundary. This retaining
wall will vary in height from 0-700mm high and would be located a minimum of
700mm from the boundary to ensure it does not impact on the use of the
neighbouring property. The north and west sides of the basin will be provided with a
1:4 vegetated or turfed batter as shown on the attached sketches. The southern
boundary of the bio basin fronts Donnella Street and the top of the weir/bund will be
less than 300mm higher than the existing footpath level. A 1:4 grass batter will be
provided at this location.
Prepared by
Doug Reynolds
RPEQ 9072
Tod Consulting Pty Ltd
20 August 2015
Rev B
J/N 13672 August 2015
Page 2 of 2
Page 3
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Fire Hydront &
PROPOSED DEMOLITION
SITE PLAN
SCALE 1:20
EXISTING CONCRETE
ORIVEWAY TO BEREMOVED:
TREE 0. 30507
TREE 0. 61212
| LARGE ESTABLISHED
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VEGETATION TO REVAN ALONG
STERN BOUNDARY
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EXISTING SITE PHOTO.
EXSTNG SITE PHOTO
EXISTNG SITE PHOTO
TONOTSGLE THS GANG F NDOLET- ASO
LOCAL AUTHORITY:
SUNSHNE COAST
PRELIMINARY
CLIENT:
SERINA PTY LTD
inter -
between, omang ot within a group,
INTER PTYLTD
PROJECT
APARTMENT DESIGN
30-32 DOONELA STREET TEWANTIN
Reision [Issa Deals tssoed_[_ tote
A [DRAFT ut [2508.45]
[8 _ [AMENDMENTS uT___ [1006.45]
Damn: RN
Checked: Hk
DEMOLITION SITE PLAN AND EXISTING
CONDITIONS
SCALE 1:2008A1 REV:
0000-A-01-01 8
Page 4
30-32 DOONELLA APARTMENTS
30-32 DOONELLA ST, TEWANTIN
LOT 32 RP 893427 & LOT 903 T 1631
PRELIMINARY STORMWATER DRAINAGE PLAN
RPEQ 9072
Prepared by D Reynolds fseese CRATE ONEHON ? see ss a
Tod Consulting Pty Ltd - eoow
VA MMM 4 I
a fo 1 CI TORE, ie Overflow from ragawater
A A [J reer] 4 lank in Basement
| | qhuanao | | | Pipe leyel approx IL 6.2
| = St g 4
|
| J = 4
I 5 s
caRranx sens uf | H LOCATION PLAN
GATE UNDER se | Te ee NY SCALE 1:2000
keonitheear | PRVATE aes
LOWN TOBASEMENT \ 4 A CBURTYARD So AN g
TERRACED: = Sat SEIT Ly é
LANOSCAPS WALL. na ; — if WE ey
IMepoungaRY sotc0'or eat Ging eRe 1 q B : 4140 acetate lz
Lh. a 205: = >] L 3 BATTEN PRIVACY a3
OT : — tu RSs
— se Grated Drain ep] RNP DON 4 7 RETANEXSTING iQ
: ig Invert Level 5.5 dura ety" wy EN OmARY.
Rot ih \
nc LE ry cerebro +N yy vy Roof Water
El ie fi Nyy yi
fa > # ; ai r ie ve directed to|bio basin
! * .
8 —4 : TE wy . gy pit level RL 5.1
fi | aoe f ZAR IS 7 300mm detention depth z=
CONCRETE DRIVEWAY 34 E s. Z eusmucuacananta BiO Basin - 29m2 oF
z Sar 2 eo OB 5 3 5 2
ANDSCAPNG [| Gq = mw 2. , b Q-w o- .5m|x 3.6m
peers ee ' j YY Outlet pipe from , .
ld Oran ( tee A NAY ic Basin tt 4. SITE PERSPECTIVE 01
Ae, Shae / j SCALE
Invert Level 5. a T_ + ener ea YL | EySheeRspaahns .
EXSTING STE i me = Gully Fit 5.0 LED . = a ny = PATH enSlass ou . ato8
TREESTO bear. ae bee 8 a KOLO to road - RL 5.25
PRACTICAL WLS” CONCRETECROSSOVER “RZ-7 72 sg
—= IL 4.8 / Existing Gully Pit in
oso ipa Geeta — DOONELLA STREET Outlet from Detention Doonella St - IL 3.0
— Tank - IL 3.9 - 300mm dia
r |
|
DETAILED SITE PLAN Drainage from basement area (floor level RL 4.6)
SITE PERSPECTIVE 02
SCALE
‘THS DRAWN 5 HDT TO EE USED OR OSTRUCTIN |
DEVELOPMENT SUMMARY
GROSS FLOOR AREA BREA
GROUND FLOOR
6x2 BEOROOM UNIT TYPE A BoP
(8a? EACH)
1x 2 BECROOM UNMT TYPE B Rm
‘x 1 BEOROOM UNIT An
‘CIRCULATION 107 ni
GROUND FLOOR STARWELL 10m
LEVEL 01
‘6x 2 BEOROOM UNIT TYPE A ert
(7s? EACH)
1x 2 BECROOM UNIT TYPE B Ret
‘1x 2 BEDROOM UNIT TYPE C Te nF
CIRCULATION 100 re
TOTAL GFA AST mt
POPULATION DENSITY 14522 PERSONSHa
BUILDING COMPONENT AREA STE%
OVERALL SITE 25hanF | ~
BUILDING GFA (PLOTRANO) | 1.437 56%
FLOOR PLATE (STE COVER) 8HnF 33%
PRIVATE OPEN SPACE 3S8eF 14%
COMMUNAL OPEN SPACE 6130" 2h
LANDSCAPNG 266c? 11%
CARPARKS PROVDEO. 25 (4 VISITOR PARKS)
LOCAL AUTHORITY:
NOOSA COUNCIL
DA ISSUE
CLIENT:
SERINA PTY LTD
INTER PTY LTO
PROJECT
APARTMENT DESIGN
30-32 DOONELA STREET TEWANTIN
Reisen [Issa Deis Issad | tee
A___|ORAFT at [2508.15
8 |AMENOMENTS T___ [1005.15
Ic [OAISSUE MT [2406.15
[D_|ANENDWENTS ur [2806.15
Dam: ut
Creche MT
COVER SHEET & SITE PLAN
SCALE As indeed
eA REV:
0000-A-00-01
Page 5
caren Sere ce erm DONT SCALE TAS DRAMG F INDOLET- AST eszersr~ ee. | | FEY ¥, DXGIDE SOTO ee SMA we CRRA Tee Senor Sew EAST ELEVATION ee Bre ie ww & t SPLIT FACE BLOCK WORK [TIGER BATTEN PRVACY FENCE TO GROUND FLOOR _ 7k yy WR >» SPX BS Y OR SIR 7 LURE vs A UNIS K 2S Spo Bs PESKY WEST ELEVATION SATIN OREAOLIE RIED SCALE 1:100 '— SUIDNG CAR PARK ‘SECURITY GATE REX OOM. LISSA by ¥% < SRR NORTH ELEVATION SCALE 1:100 LANDSCAPING FULLHEIGHT GLAZING TO RECEPTION AREA DIR OG ISON RR, ew YR REE [RE SERS LOCAL AUTHORITY: ‘SUNSHNE COAST PRELIMINARY CLIENT: SERINA PTY LTD PROJECT APARTMENT DESIGN 30-32 DOONELA STREET TEWANTIN Raisin | Ise Details ised te A__1O8AET ut [2508.5] 8 [AMENOMENTS ut [1006.15 Dain: rr) Cadet OK OVERALL ELEVATIONS SCHLE 1:190@A1 7 0000-A-04-01 8