Provision of Select Fill, Pavement Materials & Pre-coated Screenings for culvert and sidetrack works on Wondai – Proston Road.
Supply & Delivery of Select Fill CBR15, Rock Fill, Type 2.1 and 7, 10 & 14mm pre-coat screenings.
REQUIREMENTS & TIMING
Location: Wondai – Proston Road, 11km west of intersection with Bunya Hwy.
- 400 tonne Type 2.1 Pavement Material
- 150 tonne Select Fill CBR 15
- 100 tonne 150mm nominal rock
- 5 tonne 7mm Pre-Coat Aggregate
- 8 tonne 10mm Pre-Coat Aggregate
- 8 tonne 14mm Pre-Coat Aggregate
- 2 tonne Bedding Sand
Project Specification
General
All work associated with the Offer shall be performed in accordance with the Department’s Technical Standard:
- MRS04 (11/20) – General Earthworks
- MRS05 (11/20) – Unbound Pavements
- MRS22 (07/20) – Cover Aggregate.
- MRS50 (09/20) – Specific Quality System Requirements
A copy of these specifications is available from www.tmr.qld.gov.au or by contacting the project manager.
Minimum linear shrinkage for Type 2.1 is 1.5%
Grading envelope required for Type 2.1 is C.
Testing Requirements
The Offeror shall undertake testing of the material using a NATA Certified Laboratory for the scope of testing required and registered (unconditional) with the Department of Transport and Main Roads as a CMT Supplier. This laboratory shall not subcontract any part of the scope of testing without express approval of the customer.
Earth Fill Material (CBR15)
Earth fill material Class A
Class A material to be in accordance with MRTS04 Clause 14.2.2 (as detailed below).
· WPI <1200
· PI (%) ≥ 7
· Minimum % Passing 0.075mm AS Sieve = 15%
· Emersion Class >3
· Soaked (10 day) CBR – Minimum value of 15*1
· maximum particle size ≤ 75 mm
Note*1: When tested by method Q113C, compacted to 95% x MDD, 100% x OMC, and soaked for 10 days
Paving Material – Type 2.1
Given small quantities, required only one set of results
Material Property
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Normal Testing Level
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Particle size distribution Q103A
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1 per 1000 tonne
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Fines ratio (fines ratio, 0.075mm to 0.425mm sieves)
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1 per 1000 tonne
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Liquid limit – Q104A
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1 per 1000 tonne
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Plastic limit and plasticity index – Q105
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1 per 1000 tonne
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Linear shrinkage – Q106
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1 per 1000 tonne
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Linear shrinkage x% passing 0.425mm sieve
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1 per 1000 tonne
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California bearing ratio – Q113A
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1 per 2500 tonne
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Flakiness index – Q201
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1 per 5000 tonne
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Wet/dry strength variation – Q205C
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See Note below
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Degradation factor – Q208B
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See Note below
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Ten percent fines value – Q205B
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See Note below
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Note: As per the Approved Testing Frequency Level of the Quarry Registration Certificate, for the specific quarry
Cover Aggregate Material –
For each material property, a minimum of one (1) test result shall be available which is traceable to the material in stockpile.
Source Rock Tests: Max Lot Size 5000t
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Material Property
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Normal Testing Level
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Ten percent fines value (wet) – Q205B
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as per the Approved Testing Frequency Level of the Quarry Registration Certificate, for the specific quarry
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Wet/dry strength variation – Q205C
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Degradation factor – Q208B
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Water Absorption – Q214B
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Product Tests: Max Lot Size 1000t
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Particle size distribution - Q103B
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1 test per 1000t
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Flakiness index – Q201
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Average least dimension – Q202
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Degree of precoating – Q217
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Weak particles 2 – Q216
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Crushed particles 1, 2 – Q215
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1 test per 5000t
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1 Required only where aggregate is obtained from other than a blasted quarry face
2 Testing to be undertaken on product prior to pre-coating
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Material Conversion: - For the purposes of evaluation each Offeror shall include details of the relevant conversion rates of the respective materials.
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