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907.05.3 Failure to Comply. If, in the judgment of the Engineer , the Contractor fails to adequately
control dust in accordance with this Specification, or as directed, the daily charge set forth in Special Provision Code 907.1000 will be deducted from monies then due the Contractor as a charge for failure to comply with this Specification. Moreover, the stated daily charge will continue each consecutive calendar day thereafter until dust is adequately controlled. In addition, if the Department's Maintenance Division is required to perform dust control operations due to the failure of the Contractor to provide same, all costs associated with these operations of the Maintenance Division will likewise be deducted from monies then due the Contractor.
908.01 DESCRIPTION. This work consists of providing flagstone walks and treads of the type and
at the locations indicated on the Plans or as directed by the Engineer, all in accordance with these Specifications. 908.02 MATERIALS. Flagstone shall conform to the requirements of Subsection M.10.06; Flagstones, of these Specifications. Sand shall conform to the requirements of Section M.02.02.1; Fine Aggregate for Mortar, of these Specifications. Mortar shall conform to the requirements of Section M.04.03.5; Mortar , of these Specifications. 908.03 CONSTRUCTION METHODS. 908.03.1 Walks. Flagstone shall be laid on a sand base to the depth indicated on the Plans or as directed by the Engineer. Flagstone shall be laid to the line, grade and design indicated on the Plans or as directed by the Engineer. 908.03.2 Treads. Flagstone treads shall be bedded in mortar and shall be laid to the line, grade, and design indicated on the Plans or as directed by the Engineer. 908.04 METHOD OF MEASUREMENT. "Flagstones" will be measured by the number of square feet of walks or treads actually installed in accordance with the Plans and/or as directed by the Engineer. 908.05 BASIS OF PAYMENT . The accepted quantity of "Flagstones" will be paid for at the 9−23contract unit price per square foot as listed in the Proposal. The price so-s tated constitutes full and complete compensation for all labor, materials, and equipment, including sand base and all incidentals required to finish the work, complete in place and accepted by the Engineer. SECTION 909 PRECAST CONCRETE MEDIAN BARRIER
909.01 DESCRIPTION. This work consists of providing various types of precast concrete median
barriers on previously prepared gravel borrow subbase courses at the locations indicated on the Plans or as directed by the Engineer, all in accordance with these Specifications. 909.02 MATERIALS. 909.02.1 General.
a.Portland Cement Concrete. Concrete shall be Class XX(AE) and shall conform to the applicable requirements of both SECTIONS 601 and M.02; PORTLAND CEMENT CONCRETE , of these Specifications.
b.Reinforcement . Bar reinforcement shall conform to Subsection M.05.01; Bar Reinforcement , of these Specifications. Dowels shall conform to the requirements of ASTM A36 and be either epoxy coated or galvanized in accordance with Subsections M.05.05 and M.05.06 , respectively, of these Specifications.
c.Anchor Bolts for Light Standards. Bolts and nuts shall conform to Subsection
M.05.04.4, Para. a of these Specifications. The top exposed 4 inches of anchor bolts, together with their nuts, shall be galvanized in accordance with Subsection M.05.06 , of these Specifications.
909.03 CONSTRUCTION METHODS. 909.03.1 Plant Requirements.
a.Manufacture. Precast concrete barrier units shall be manufactured in accordance with the applicable provisions of SECTION 601 and SECTION 809; PORTLAND CEMENT CONCRETE and PRECAST/PRESTRESSED STRUCTURE CONCRETE MASONRY , respectively, of these Specifications.
b.Reinforcement . All reinforcing bars shall have a minimum cover of 2 inches.
c.Dowels, Light Standard Bolts. Dowels shall be accurately set and maintained at right angles to the plane of the end of the unit. Anchor bolts for light supports shall be accurately spaced in the required bolt circle and maintained vertical to the plane of the bottom of the recess.
Source: Rhode Island Standard Specifications (Bluebook), 2024 Edition. Pages 554–555 of 826.