8−197specifications, which shall include product data sheets for installation requirements, application procedures and coverage rates, and the applicator’s qualifications. Upon approval of the Engineer, manufacturer’s specifications do thereby become a part of this Specification and shall be used as the basis for approval or rejection of the work carried out in this Section. The Contractor shall provide documentation of quantities of each product used in the work. This information is required as a pre-requisite to job acceptance and final payment.
842.03.2 Quality/Process Control. The application shall be performed in strict conformance with
the manufacturer’s specifications. At no time shall the number of coats and coverage rates be less than those recommended in the manufacturer’s technical data sheets. The Contractor shall submit evidence of the applicator’s qualifications and experience for the Engineer’s review and approval prior to commencing work. The manufacturer shall be available to make recommendations specific to the project, substrate, coating appearance and cleaning options.
842.03.3 Anti-Graffiti Coating.
a.Surface Preparation. All substrates to receive the coating shall be structurally sound, dry, clean and free of paint not specified to remain, dust, dirt, grime, oils, scale, rust, silicones, curing compounds, alkali, acid residues or any other material that may act to inhibit bond. Surface preparation and application of subsequent coats for all substrates shall be in strict accordance with the manufacturer’s specifications. In addition, the product shall not be applied to surfaces below 45 degrees F or above 90 degrees F. In addition, the following shall apply:
1.New concrete masonry and cement plaster to receive the system shall be cured as per the manufacturer’s specifications, but no less than a minimum of thirty (30) days.
2.The moisture content of all bare masonry surfaces to receive the system, as indicated on a calibrated moisture meter, shall not exceed the manufacturer’s maximum allowable percentage or shall be no higher than 15% if no manufacturer guidance is given.
b.Application. The Contractor shall follow the manufacturer’s current instructions for application at all times and allow the coating to cure before applying subsequent coats so as to achieve a uniform and continuous coating free of pinholes and holidays.
c.Cleanup and Protection. The Contractor shall remove discarded coating materials, rubbish, cans, and rags at end of each workday. All such materials shall be disposed of properly, in accordance with all local, state and federal laws. The Contractor shall protect all adjacent areas not to be coated, against damage by the coating and finish work. The Contractor shall correct all damage it causes by cleaning, repairing or replacing, and recoating, as is acceptable to the Engineer, at no additional cost to the State. 8−198 842.04 METHOD OF MEASUREMENT.
842.04.1 Anti-Graffiti Coating. This item will be measured for payment under Item “ANTI-
GRAFFITI COATING” by the “Square Foot” of anti-graffiti coating actually applied in accordance with the Contract Documents and/or as directed by the Engineer.
842.05 Basis of Payment.
842.05.1 Anti-Graffiti Coating. The accepted quantity of “ANTI-GRAFFITI COATING” will be paid
for at its respective contract unit price per "Square Foot” as listed in the Proposal. The price so stated shall constitute full and complete compensat ion for all labor, materials, tools and equipment, and all incidentals required to complete the work as described in this Specification and elsewhere in the Contract Documents, complete in place and accepted by the Engineer. 9−1PART 900 INCIDENTAL CONSTRUCTION AND SERVICES SECTION 901 STEEL BEAM GUARDRAIL
901.01 DESCRIPTION . This work consists of providing galvanized coated steel beam guardrail
and end sections of various types and configurations at the locations indicated on the Plans or as directed by the Engineer, all in accordance with these Specifications. 901.01.1 Guardrail End Treatment, Non-Energy Absorbing Terminal and Guardrail End Treatment, Energy Absorbing Terminal. Work under these items shall consist of furnishing and installing a guardrail end treatment in the form of a non-energy or energy absorbing terminal section approved in accordance with MASH or NCHRP 350 and that passes, at a minimum, Test Level 3 (TL-3) crash test criteria at locations indicated on the Plans or as directed by the Engineer. As part of this work, an object marker shall be furnished and affixed to the approach end of the guardrail terminal in accordance with the latest MUTCD. 901.02 MATERIALS. 901.02.1 Metal Beam Rail. Metal Beam Rail shall conform to the applicable requirements of Subsection M.08.03 of these Specifications.
901.02.2 Guardrail Posts. Guardrail Posts shall conform to the applicable requirements of
Subsection M.08.07 of these Specifications.
901.02.3 Guardrail Hardware. Hardware shall conform to the applicable requirements of
Subsection M.08.08 of these Specifications.
901.02.4 Guardrail End Treatment, Non-Energy Absorbing Terminal and Guardrail End
Treatment, Energy Absorbing Terminal. The non-energy and energy absorbing terminals shall be products listed on the Department’s Approved Materials List, or approved equivalents. Any products not included on the Approved Materials Li st shall have been tested and verified to meet all the criteria for MASH or NCHRP 350, TL-3, and the Contractor shall provide supporting documentation such as an FHWA acceptance letter. The object marker affixed to the approach end of the guardrail terminal shall meet the requirements of the latest MUTCD. Every terminal shall have an object marker. The object marker shall conform to the size and shape of the approach end of the guardrail terminal with alternating black and retroreflective yellow stripes sloping dow nward at an angle of 45 degrees toward the side of the guardrail on which traffic is to pass. High intensity retroreflective sheeting shall be used for the object marker, and it shall conform to the requirements of AASHTO M 268, Type A, Standard Specification for Retroreflective Sheeting for Flat and Vertical Traffic Control Applications. The object marker shall have a smooth weather-resistant outer surface, a pre-coated pressure sensitive adhesive backing, and adhere to steel. The adhesive shall have no staining effect on the
Source: Rhode Island Standard Specifications (Bluebook), 2024 Edition. Pages 531–533 of 826.