Updated Plans

                                                                                                                                                                                                                                                                      ROOFWATER DRAINAGE GENERAL NOTES:
                                                                                                                                                                                                                                                                      ALL ROOFWATER DRAINAGE SYSTEMS MUST BE
                                                                                                                                                                                                                                                                      CONNECTED TO A STORMWATER DRAINAGE
                                                                                                                                                                                                                                                                      SYSTEM COMPLYING WITH NCC PART 3.1.3,
                                                                                                                                                                                                                                                                      DRAINAGE OR AS/NZS3500.

                                                                                                                                                                                                                                                                      THE ROOF DRAINAGE SYSTEM MUST BE PROVIDED
                                                                                                                                                                                                                                                                      WITH AN OVERFLOW TO PREVENT THE BACKFLOW
                                                                                                                                                                                                                                                                      OF WATER INTO THE BUILDING.

                                                                                                                                                                                                                                                                      THE AREA SPECIFIC RAINFALL INTENSITY MUST BE
                                                                                                                                                                                                                                                                      SELECTED FROM NCC TABLE 3.5.3.1 OR FROM
                                                                                                                                                                                                                                                                      AS/NZS3500.
                                                                                                                           NOTE: ROOF PROFILE SUBJECT TO SLOPE / LENGTH OF SPAN
                                                                                                                                                                                                                                                                      GUTTERS AND DOWNPIPES MUST BE SELECTED
                                                                                                                                                                                                                                                                      FROM NCC TABLE 3.5.3.3 OR FROM AS/NZS3500.

                                                                                                                                                                                                                                                                      EAVES GUTTERS MUST BE INSTALLED AT A FALL NOT
                                                                                                                                                                                                                                                                      LESS THAN 1 IN 500 WITH SUPPORT BRACKETS AT
                                                                                                                                                                                                                                                                      1.2m MAXIMUM CENTRES.

                                                                                                                                                                                                                                                                      BOX GUTTERS MUST BE INSTALLED AT A FALL NOT
                                                                                                                                                                                                                                                                      LESS THAN 1 IN 100, IN ACCORDANCE WITH
                                                                                                                                                                                                                                                                      AS/NZS3500.3.
                                                                                                    dp                                                                        dp
                                                                                                                                                                                                                                                                      THE WIDTH OF VALLEY GUTTERS SHALL BE IN
                                                                                                                                                                                                                                                                      ACCORDANCE WITH AS/NZS3500.3 AND NCC PART
                                                                                                                                                                                                                                                                      3.5.3.4
                                                    dp
                                                                                                                                                                                                                                                                      REFER TO ROOF SHEETING MANUFACTURERS
                                                                                                                                                                                                                                                                      SPECIFICATIONS FOR LIMITATIONS ON SHEET
                                                                                                                                                                                                                                                                      OVERHANGS INTO VALLEY GUTTERS.

                                                                                                                                                                                                                                                                      THE MAXIMUM ROOF CATCHMENT AREA FOR
                                                                                                                                                                                                                                                                      VALLEY GUTTERS IS 20m2.
                                                                               8°
                                                                                                                                                                                                  8°
                                                                                                                                                                                                                                                                      VALLEY GUTTERS ON ROOFS PITCHED LESS THAN
                                                                                                                                                                                                                                                                      12.5° MUST BE DESIGNED AS BOX GUTTERS.
                                                                                                                                        Area




                                                                                                                                                            5°
                                                                                                                     5°
                                                                                                                                                                                                                                                                      DOWNPIPES MUST SERVE NOT MORE THAN 12
                                                                                                                                                                                                                                                                      METRES OF GUTTER LENGTH FOR EACH DOWNPIPE
                                                                                                                                       79 m²                                                                                                                          WHICH MUST BE LOCATED AS CLOSE AS POSSIBLE
                                                                           Area                                                         (2dp's)
                                                                                                                                                                                              Area
                                                                                                                                                                                                                                                                      TO VALLEY GUTTERS.

                                                                                                                       TOTAL ROOF CATCHMENT                                                                                                                           EAVES GUTTERS MUST BE PROVIDED WITH AN
                                                                          55 m²                                              AREA 195 m²                                                     38 m²                                                                    OVERFLOW SYSTEM WHERE DOWNPIPES ARE
                                                                           (2dp's)                                                                                                                                                                                    LOCATED MORE THAN 1.2 METRES FROM A
                                                                                                                   (5 DOWNPIPES REQUIRED @40sqm/DP)                                                                                                                   VALLEY GUTTER.
                                                                                                                        6 DOWNPIPES PROVIDED
                                                                                                                                                                                                                                                                      TABLE 3.5.3.1 RAINFALL DURATION INTENSITY
                                                                                                                                                                                                                 dp                                                   5 MINUTE DURATION RAINFALL INTENSITY
                                                                                                                                                                                                                                                                      NOOSA HEADS - 20YEARS     258mm/h
                                                                                                                                                                                                                                                                                    - 100YEARS 331mm/h
                                                                             8°                                                                                                                 8°
                                                                                                                                                                                                                                                                      TABLE 3.5.3.2 GUTTER & DOWNPIPE SELECTION
                                                                                                                                       Area                                                                                                                           FROM TABLE A & B
                                                                                                                          5°




                                                                                                                                                                                                                                                                      40sqm - A - MEDIUM RECTANGULAR GUTTER or

                                                                                                                                                       5°
                                                                                                                                      24 m²                                                                                                                                   D - 125mm D GUTTER
                                                    dp
                                                                                                                                                                                                                                                                      FROM TABLE C

                                                                                                                                                                                                                                                                      90mm DIAMETER DOWNPIPE
                                                                                                                                                      dp
                                                                                                                                                                                                                                                                      TABLE 3.5.3.3 OVERFLOW VOLUME
                                                                                                                                                                                                                                                                      FROM TABLE A

                                                                                                                                                                                                                                                                      350mm/h        12.0m GUTTER [email protected] (L/s/m) = 14.4L/s

                                                                                                                                                                                                                                                                      FROM TABLE B

                                                                                                                                                                                                                                                                      350mm/h - 40sqm = 3.9(L/s)

                                                                                                                                                                                                                                                                      USE CONTROLLED BACK GAP (SEE DETAIL)
                                                                                                                                                                                                                                                                               = 1.25 L/s/m x 12.0m = 15.0L/s

                 ROOF CATCHMENT PLAN                                                                                                                                                                                                                                  (NOT REQUIRED FOR RAKED SOFFITS)


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© COPYRIGHT. THIS DRAWING REMAINS THE PROPERTY OF G.J GARDNER HOMES & IS PROVIDED FOR THE USE AS DESCRIBED & MAY NOT BE USED OR REPRODUCED IN WHOLE OR IN PART WITHOUT WRITTEN PERMISSION. ANY LANDSCAPING (WHEN SHOWN) ARE FOR ILLUSTRATIVE PURPOSES ONLY AND DO NOT FORM PART OF ANY CONTRACT.
                                                                                                                                                                                                                           PAGE: SHEET SIZE: REV DRN CHK DETAILS                        DATE: I/WE HAVE CHECKED THE PLANS AND AGREE THAT
                                                                                                                                 CLIENT:                                         PROJECT: PROPOSED REL. RESIDENCE                7       A3                                                               THEY ACCURATELY DEPICT THE HOUSE FOR
                                                         CUSTOM PLAN                              ASPECT HOUSE                   MICHAELA VAN DER STOEP
                                                                                                                                                                                                                                                 *   DS   RW PRELIMINARY DRAWINGS              16/02/21
                                                                                                                                                                                                                                                                                                          CONSTRUCTION.
                                                                                                                                                                                                                              JOB NUMBER:        A   DS   RW MINOR AMENDMENTS                  04/03/21
                                                                                                     PLANS                                                                      LOT 9 ON RP908915                             GJGSCN190273       B   AK   RW SURVEY & CONTOURS ADDED           11/03/21
                                                                                                                                                                                                                                                                                                          JOB SPECIFICATION BY BUILDER TAKES
                                                                                                                                                                                                                                                                                                          PRECEDENCE OVER THESE PLANS.
         GJ NOOSA PTY LTD                                       BEACH FACADE                                                                                                    8 DANDALOO LANE                               SALESPERSON:       C   RW   RW CONSTRUCTION DRAWINGS             13/03/21
                                                                                                                                 DRAWING TITLE:
               QLD                                                                                    QLD                                                                       COOTHARABA, QLD                               CHRIS MCNEIL       D   RW   RW JOB NUMBER CORRECTION             17/04/21   OWNER SIGNED: ............................... DATE: ..........
                                                          © COPYRIGHT EXCLUSIVE                                                                                                                                               DATE:                                                                       OWNER SIGNED: ............................... DATE: ..........
           QBCC 1303975                                   TO G.J.GARDNER HOMES                     QBCC 1257937                 ROOF CATCHMENT PLAN                                                                            17/04/2021                                                                 BUILDER SIGNED: .............................   DATE: ..........