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800Materials

WY · 2021 Standard Specifications✓ Full text on BuildSpecBook pages 659–0 Save this section

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800.1Manufactured Product Certifications

1 The department requires that manufactured products delivered to the project are certified by the manufacturer’s certification or by a “Certification of Materials,” (Form T- 168) in the department’s Construction Management System (CMS), with all supporting test data in accordance with the Materials T esting Manual, that the materials meet contract specifications. The department does not require certification for materials manufactured by the contractor and tested by job control and check samples or by an authorized testing agency.

2 The engineer may approve the use of manufactured materials delivered to the site without the required certification(s) by approving in CMS if:

1.The product has been precertified by the Materials Program;
2.The product is on the Qualified Product List (QPL);
3.The item costs less than $1500, meets the requirements stated in the Materials

Testing Manual for approval of materials without certification, and is marked or labeled with the brand name specified or the test specification to which it was manufactured; or

4.The use is temporary and the contractor retains ownership.

3 In an emergency, the engineer may approve use of an item or items before the required certifications have been received. The engineer will evaluate (and document) each such circumstance based on its own merits. For this purpose, the department considers an emergency as a condition requiring prompt action to protect the immediate safety or welfare of the public. The use and incorporation of materials for emergency situations without the required certification does not constitute acceptance.

800.2Point of Sampling

1 When directed by the engineer, obtain material samples for material acceptance in accordance with the Materials Testing Manual. Sample from the following points:

1.Aggregates.

Stockpile (1) Conveyor Belt (2) Windrow Plant Mix Materials (PMB, RPMB, PMP, RPMP & PMWC)

√

Subbase √ √ (3) Base √ √ (3)

Materials SECTION 800

Stockpile (1) Conveyor Belt (2) Windrow Maintenance Stockpile √ √ (3) Pervious Backfill Material & Bridge Approach Backfill Material

√ √ (3) Gravel for Drains √ Chip Seal √ Microsurfacing √ √ Concrete √ (4) Blotter √ Bed Course Material √ Class B Bedding √ Riprap, Stone Filled Gabions & Stone Mattress Aggregates √ Filter Aggregate √ Flowable Backfill √ Grout √

(1)Sample the last stockpile prior to final placement of the aggregate material.
(2)Sample from the conveyor belt used to load the hauling unit for final placement of the material.
(3)When not using a conveyor belt.
(4)Stockpile or storage bin
2.Miscellaneous Materials.

Sodium Chloride Project Site Portland Cement Delivery or Storage Unit Performance Graded Asphalt Binder Between Storage Tank and Mixer Liquid Cut-Back Asphalt By Supplier at Time of Loading Emulsified Asphalt By Supplier at Time of Loading Geotextile & Impermeable Plastic Membrane Project Site Paving Fabric Project Site Geogrid Project Site Hot-Poured Elastic Sealant Applicator Nozzle Preformed Expansion Joint Filler Project Site

Materials SECTION 800

Preformed Elastometric Compression Joint Seal Project Site Compressed Joint Material Project Site Paint Submitted by Supplier or Project Site Reinforcing Steel Project Site Spiral Steel Project Site Dowel Bars Project Site Galvanized Wire Products Project Site Recycled Plastic Posts - See Subsection 812.8.3.3, Testing Project Site Rockfall Mesh Project Site Water for Concrete - See Subsection 814.1, Water At Source High-Strength Bolts, Nuts & Washers - See Table 815.2.5-1, Required Test Bolts Project Site

2 The point of sampling may be adjusted if mutually agreed to by the engineer and contractor.

3 If a mechanical sampler is used, correlate test results with belt samples using the “Correlation of Aggregate Gradations,” (Form T-165AG).

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Source: Wyoming Standard Specifications for Road and Bridge Construction, 2021 Edition. Pages 659–0 of 771. View official source ↗

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