824MASONRY MATERIALS

824.01CONCRETE MASONRY UNITS (FOR CONSTRUCTION OF CATCH

BASINS AND MANHOLES). Conform to ASTM C 139.

824.02PRECAST REINFORCED CONCRETE MANHOLE SECTIONS. Conform

to ASTM C 478, KM 64-115 and the Standard Drawings. For flat top slabs, a tongue and groove design is optional. The Department will allow the use of lightweight aggregate provided that it conforms to subsection 805.04.02.

824.03CONCRETE BUILDING BRICK. Conform to ASTM C 55

824.04CONCRETE FACING BRICK. Conform to ASTM C1634

824.05SEWER AND MANHOLE LEVELING BRICK. Conform to ASTM C32. The

Department will waive the requirement for saturation coefficient for Grades SM and MS. Ensure that the dimensions are of the specified standard size.

.01 Sewer Brick. Use Grade SS or SM

.02 Manhole Brick. Use Grade MS or MM

FINISHING HYDRATED LIME. Conform to ASTM C 206

825.01DESCRIPTION. This section covers deicers used for ice/snow removal and road

conditioning purposes.

825.02GENERAL. Provide deicers which conform to this section. Provide independent

analysis data and certification showing compliance to 40 CFR 261 for leachable heavy metals for each deicer annually. Report the total concentration of each heavy metal present and the test method used for each determination.

825.03CALCIUM CHLORIDE. Conform to ASTM D 98 for the following:

A) TypeS (Solid)

Grade N3. Class B. Grade N4. Class B.

B) Type L (Liquid). Ensure a minimum calcium chloride content of 32%.

825.04SODIUM CHLORIDE. Furnish sodium chloride in a free flowing condition and

conforming to the following chemical and physical requirements:

.01 Sodium Chloride Content. Ensure a minimum sodium chloride content of

95.0%.

.02 Moisture Content. Ensure the moisture content of the sodium chloride does not

to exceed 2.0%.

.03 Gradation

Sieve Size Mass % Passin g 19.0 mm (3/4in. ) … 12.5 mm (1/2in. ) 100 9.5 mm(3/8in.) 95 to 100 4.75 mm (No. 4 ) 20 to 90 2.36 mm (No. 8 ) 10 to 60 600 µm (No. 30) 0 to 15

825.05CERTIFICATION. Submit manufacturer’s certification stating conformance

to the requirements of this section for each shipment of deicer delivered for use. Clearly state the manufacturer, product name, actual test results showing conformance to the stated requirements, date of compliance analysis to 40 CFR 261 for leachable heavy metals and quantity of deicer.

ACCEPTANCE. The Department will accept deicers based on compliance of

manufacturer’s certification and visual inspection by the Engineer. The Department reserves the right to sample and test deicers, at the Engineers discretion, in accordance with the Department’s Field Sampling and Testing Manual. The Department will conduct testing of calcium chloride deicers in accordance with KM 64-222 and of sodium chloride deicers in accordance with KM 64-225.