Attachment 1 - Op Works Negotiated Decision Notice · OPW11/0335

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[OCR of page images]
OPW 11/0335

 

j. cleaning and / or re-finishing of all external surfaces including prompt removal of
graffiti

Water Supply and Sewerage

76.

TT.

78.
79.
80.
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90.

Unitywater must be advised in writing of the contractor's name and the proposed date of
commencement of construction. A minimum of five days notice is required to enable
inspections to be arranged, including a pre-start meeting on site. Phone Unitywater: 07
5409 3870

Pipe layer accreditation must be provided at the Pre-start meeting including “Century Plus”
accreditation for DICL, “Pipeline Installation” for PVC and “Electrofusion/Butt Welding’ for
Polyethylene Pipe

The existing dwelling located within the Lot 51 SP156203 must be connected to the new
sewer property connection prior to the capping and removal of the existing sewer main.
Water meters must be installed to the development in accordance with Unitywater
requirements and standard drawings SCW350, 355 and 360

Electrical pillar must be located on alternative boundary to water meters.

A minimum horizontal clearance of 1.0 metre must be maintained between stormwater
pipes greater than 225mm diameter and Unitywater water supply or sewerage
infrastructure

Stormwater retention systems and gross pollutant traps must maintain a minimum of 1.5
metres horizontal clearance from a sewerage main or sewer house connection point

A minimum of 0.5 metres separation must be maintained between the outermost edge of
sewer access chambers or sewerage mains and the property boundary

A 3.0 metre wide easement must be provided over Unitywater sewers within the
development site. A 4.0 metre wide easement is required over sewers greater than 3.0
metres deep. Easements must be centrally located over the main. For sewers on side
boundary alignments easements may be partially located within neighboring properties
Proposed tree plantings must maintain a minimum horizontal clearance of 1.0 metre from
Unitywater water mains and 1.5 metres from Unitywater sewerage mains. Landscaping
plants within these clearances must be low growing when mature and suitable approved
varieties

During the maintenance period the applicant must carry out necessary repairs to: defects
and/or damage of road works; drainage and associated work; water supply and sewerage
reticulation and pump stations and associated equipment. These repairs include damage
and/or alterations caused by third parties carrying out works within the development
Construction works undertaken in the vicinity of Unitywater’s existing water supply or
sewerage infrastructure must not adversely affect the integrity of the infrastructure. All
costs associated with repair, replacement or alteration to existing infrastructure must be
met by the applicant

Prior to the commencement of the use As Constructed drawings shall be lodged in both
hardcopy and ADAC digital format in GDA94 Zone 56 coordinate values. As constructed
drawings will be required prior to works being accepted On Maintenance. The GDA co-
ordinates and AHD levels of all permanent survey marks installed shall be provided. The
surveyed location, meter numbers and readings of water meters installed by the developer
must be included in the as - constructed information

A water meter record sheet must be completed and submitted to Unitywater prior to works
being accepted on-maintenance

Upon completion of the works and prior to the commencement of the use a certificate must
be issued by a RPEQ certifying that the works have been constructed in accordance with
Unitywater standards, and in compliance with the approved plans and specifications. The
works must be supervised by the Engineer in a planned and timely manner to ensure the
integrity of the certification is upheld

FM1509s/2-13/04/2011 Page 15 of 24