Specifications

STANDARD SPECIFICATION - BUILDINGS
DPI REFERENCE TEXT - APRIL 2009
PAGE 6
B1.4 (i) and AS 3660.1 Appendix A. Generally x
to the inside of the door to the electricity meter box.
Surveyor’s certicate
If requested by the Superintendent provide a
certicate which conrms that the work, including
boundary fences, has been correctly located.
Services layout
Give the Superintendent a plan which shows the
location of underground services as installed. Use
the same format as the contract drawings.
Authorities’ approvals
Give the Superintendent evidence of approval of
the statutory authorities whose requirements apply
to the work.
SITE PREPARATION
2. SITE PREPARATION
2.1 GENERAL
Standard
Groundworks for slabs and footings: To AS 2870.
Interpretation
Rock: The Contractor shall be deemed to have
allowed for the cost of performing the required
excavations in whatever material may be
encountered, and no extra payment shall be paid
for excavation in rock.
Bad ground: Ground unsuitable for the work,
including ll liable to subsidence, ground containing
cavities, faults or ssures, ground contaminated by
harmful substances and ground which is or becomes
soft, wet or unstable.
Line of inuence: A line extending downward and
outward from the bottom edge of a footing, slab or
pavement and dening the extent of foundation
material having inuence on the stability or support
of the footings, slab or pavement.
Subgrade: The trimmed or prepared portion of
the formation on which the pavement or slab is
constructed.
Immediate notice
If rock or bad ground is encountered, advise the
Superintendent immediately.
Explosives
Do not use explosives.
2.2 DEMOLITION
Standard
Demolition: To AS 2601.
Inspection - Witness Point
Witness Point: Give sufcient notice so that
inspection may be made of adjoining structures
before commencement of demolition.
Photographs
If required, photograph the areas adjoining the
demolition work for future reference.
Demolished materials
Except for materials to be salvaged and retained by
the Superintendent or re-used, take possession of
demolished materials and remove them from the
site. Do not burn or bury demolished materials on
the site.
Recycling
Where possible, dismantle building components for
off site recycling.
Hazardous materials - Witness Point
Witness Point: Give notice immediately if any
hazardous materials or conditions are found.
Asbestos
Reference: Refer to the asbestos clause in the
Conditions of Contract.
Dust protection
Provide dust-proof screens, bulkheads and covers
to protect existing nishes and the immediate
environment from dust and debris.
Adjacent property: Protect property either adjacent
or on site from interference or damage by appropriate
means.
Reinstatement: Make good any damage caused
during demolition to match the existing.
Support
Provide temporary support for sections of existing
buildings which are to be altered and which rely for
support on work to be demolished.
Weather protection
If walls or roofs are opened for alterations and
additions, or the surfaces of adjoining buildings are
exposed, provide temporary covers to prevent water
penetration.
Security
If walls or roofs are opened for alterations or
additions, provide security against unauthorised
entry.
2.3 TREE PROTECTION
Trees to be Retained: Refer to Drawings or as
scheduled.
Marking
Mark trees which are required to be retained using
suitable non-injurious, easily visible and removable
means of identication. Remove the identication
on completion.
Specifications March 2009.indd 6 11/03/2009 11:47:09 AM