20220218 22 Grant SWMP · MCU22/0172

 SITE DETAILS

     2.1. Existing Site Description & Drainage
The existing site, known in real property terms as Lot 90 RP92518, is located at 22 Grant Street. The existing site
contains a residential dwelling within a total site area of 594m².


     2.2. Existing Drainage Patterns
The subject land is located in moderately sloping terrain with the lands falling at typically 20% to 25% to the south
west towards Grant Street. The run-off from the existing developed site typically drains as overland surface flows
towards the south eastern portion of the site, however sandy soils are typical of the locality and a portion of surface
run-off is expected to infiltrate into the site soils.
A stormwater inlet pit is located immediately in front of the subject site to which the site’s overland flows will drain.
No kerb adaptor outlets were observed within the site frontage so it is expected that roof drainage is discharged
directly into the pit.




                                    Figure 2.1 - Site Locality Plan (Noosa Council Intramaps, 2022)




     2.3. Proposed Development Drainage Pattern

          2.3.1 Stormwater Concept
An internal stormwater drainage network will consist of inlet pits and pipes will capture run-off from impervious areas
and convey it to the lawful point of discharge from the site. The drainage will capture any upstream run-off entering
the property, as well as provide connection points for roof drainage.



Project number 20220218                                                                                       Page 5 of 14
File 20220218 22 Grant SWMP.docx, 2022-09-15 Revision 1

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