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Material (700-799)

704CEMENT CONCRETE

PA · 2026 Standard SpecificationsBook pages 662662View official source ↗

703.5(b) 703.6(a) No. 200 Sieve Upper Limit and Multiplication Factor % Maximum Upper Limit to Calculate DN C Multiplication Factor 10 10.49 2.5 5 5.49 2.5 2 2.49 2.5 1 1.49 2.5 2.0 2.05 5 1.0 1.05 5

TABLE I DNC Pay Reduction Percent Total Sum of D NC Percent of Contract Unit Price Reduction 0.5 to 3.0 2% 3.1 to 5.0 4% 5.1 to 8.0 7% 8.1 to 12.0 11% Greater than 12.0 ** **If the sum of the DNC is greater than 12.0, the Representative will direct the material represented by the lot (n=3) be removed and replaced at no additional cost to the Department or left in place and final payment for the material will be at 70% of the contract unit price. Pending the decision by the Representative, do not place additional materials on or incorporated with the non -conforming material.

4.QA Samples. BOCM QA samples (n=3) may be taken at the source of supply or at the point of

placement on the project. Submit samples to the LTS for testing. If results for any type of material indicate a PW L of less than 90, the District will immediately obtain an additional verification sample (n=3) at the appropriate site (project or source). The Department will test all three sample increments at either the producer's location or at the project site and determine the PW L for the material. If results indicate a PW L for the material of less than 90, obtain source verification samples and project verification samples as specified in Section 703.5(b)2 and Section 703.5(b)3.

(c)Weighing Responsibilities. Prepare weight slips and certifications attesting to the accuracy of the

weights recorded and ensuring conformance as specified in Section 107.23(b). Designate a licensed weigh person(s) to act as the Contractor’s agent. Ensure scales are calibrated annually by an independent agency acceptable to the Department. A Department Inspecto r may provide random checking. Weigh empty trucks used to haul material measured by mass (weight) daily unless otherwise directed. If the invoice mass (weight) exceeds the net mass (net weight) determined by a Department mobile weigh team by more than 3%, the Department will consider th e deviation to be excessive. Take immediate corrective action upon notification of an excessive deviation. Within 30 days of notification, provide the District Executive with a written description of corrective actions and safeguards and the time they were implemented.

703.6CERTIFICATION OF AGGREGATES AT ASPHALT AND CEMENT CONCRETE PLANTS —

(a)Certification . Certify aggregate at asphalt and cement concrete plants yearly for quality requirements

as specified in Section 106.03(b)3 using Form CS -4171 or another acceptable form. 704.1 704.1(b)

704.1GENERAL —

(a)Description. Furnish the indicated class of cement concrete according to the requirements
Source: Pennsylvania Department of Transportation Specifications, 2026 Edition. Pages 662662 of 1,522.