Specifications

STANDARD SPECIFICATION - BUILDINGS
DPI REFERENCE TEXT - APRIL 2009
PAGE 5
1. GENERAL REQUIREMENTS
1.1 GENERAL
Interpretation
Supply: Supply only - do not install.
Provide: Supply and install.
Required: Required by the contract documents or
by the local council or statutory authorities.
Proprietary: Identiable by naming the manufacturer,
supplier, installer, trade name, brand name,
catalogue or reference number.
Standards
Use referenced Australian or other standards
(including amendments) which are current one
month before the date of the contract except where
other editions or amendments are required.
Manufacturer’s or supplier’s recommendations
Select, store, handle and install proprietary products
or systems in accordance with the current published
recommendations of the manufacturer or supplier.
1.2 DEFINITIONS
Witness Point
Give the superintendent sufcient written notice so
that an inspection can be made.
Hold Point
Obtain the written approval of the superintendent
for that particular stage of the works. Where work is
to be covered or concealed do not proceed past that
point until approval has been received.
Minimum notice
Minimum notice required so that inspections may
be made: 24 hours in town areas, 3 days in other
areas or 5 days in remote areas.
Proprietary Items
A similar alternative item having the required
properties may be offered instead of the specied
proprietary item for acceptance at the discretion of
the Superintendent.
1.3 TERMITE PROTECTION
General
Standard: To AS 3660.1.
Chemical soil barriers - reticulation systems: Submit
evidence that the system complies with AS 3660.1
Section 8 and the Building Code of Australia.
Tests– Soil barrier
Submit a registered testing laboratory analysis
certicate of chemical soil barriers tested to Appendix
E of AS 3660.1 if directed by the Superintendent.
1.4 TIMBER GENERALLY
Moisture content
General: Make milled products from timbers
seasoned:
• To within 3% of the equilibrium moisture content
appropriate to the timber and its intended
conditions of use.
• With no more than 3% difference between any 2
pieces in any one group.
Unseasoned timber
If unseasoned timber is provided, or variations in
moisture content are likely, make allowance for
shrinkage, swelling and differential movement.
Durability
General: Provide timbers with natural durability
appropriate to the conditions of use, or preservative-
treated timbers of equivalent durability.
Natural durability of Heartwood: to AS 5604.
Minimum requirements:
Class 1: Timbers in contact with the ground.
Class 2: Timbers above ground, not in continuous
contact with moisture, well ventilated, protected
from moisture but exposed to the weather.
Class 3: Timbers above ground, not in continuous
contact with moisture, well ventilated, protected
with a nish, and well maintained.
Class 4: Timbers fully protected from moisture,
indoors, above ground, and well ventilated.
Preservative treatment
Standard: To AS 1604.
Hazard classication: To AS 1604.1 Table D1.
1.5 TESTS
Testing Authority
As dened in BCA 2008.
Carry out any testing required using an authority
registered by the National Association of Testing
Authorities (NATA) to test in the relevant eld,
except for tests to installed services.
1.6 COMPLETION
Warranties
Name the Principal as warrantee and give
the Superintendent copies of manufacturers’
warranties.
Instruction manuals
Give the Superintendent manufacturers’ instruction
manuals.
Cleaning
Remove rubbish and surplus material from the site
and clean the work throughout.
Operation
Ensure moving parts operate safely and smoothly.
Termite barriers
Provide the Superintendent with a certicate of
installation in accordance with AS 3660.1 Appendix
A2.
Notice
Provide a durable termite barrier notice permanently
xed in a prominent location to BCA Volume 1 Part
GENERAL REQUIREMENTS
Specifications March 2009.indd 5 11/03/2009 11:47:09 AM