2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS CATEGORY 900 MATERIALS SECTION 903 — MASONRY PRODUCTS
903.01 Sewer Brick
M 91, Grade SM, with a standard size of 2-1/4 in. x 3-3/4 in. x 8 in.
903.02 Manhole Brick
M 91, Grade MS.
903.03 Building Brick
M 114, Grade SW.
903.04 Hollow Concrete Masonry Block
C90, Grade N, Type I, normal weight.
903.05 Solid Concrete Masonry Block
C139.
903.06 Mortar for Masonry
Composed in accordance with one of the following:
a.One part portland or blended cement and three parts mortar sand by dry loose volume and hydrated lime not to exceed 20 percent of the cement by weight.
b.One part masonry cement and three parts mortar sand by dry loose volume.
c.Prepared bag mixes consisting of masonry cement and mortar sand. The prepared mixes shall produce a minimum compressive strength of 500 psi in seven days when tested using the applicable procedures specified in C91. Materials for mortar shall meet the following: Mortar Sand 901.01 Portland Cement 902.03 Blended Hydraulic Cement 902.04 Masonry Cement 902.05 Water 921.01 Lime 921.03 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS 904 — PERFORMANCE GRADED ASPHALT BINDERS AND ASPHALT MIXES 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS CATEGORY 900 MATERIALS SECTION 904 — PERFORMANCE GRADED ASPHALT BINDERS AND ASPHALT MIXES
904.01 Certification
The manufacturer and hauler shall furnish certifications as specified in TC-1.03 and the following: The manufacturer shall certify:
a.Date and time of loading. (b) Tank or blending system. (c) Identification of hauling unit. (d) Binder grade, temperature, and quantity of materials. (e) Complete certified analysis. (f) Lot number, if applicable. The hauler shall certify:
a.Identification of hauling unit. (b) Binder grade and source of last delivery. (c) The date of the last delivery using this hauling tank and volume of material remaining in the tank at the time of current loading.
904.02 Performance Graded Asphalt Binders
M332 Table 1, for mixes containing all virgin materials, recycled asphalt pavement materials, or roofing shingles from manufacturing waste. The Office of Materials Technology’s (OMT) Asphalt Technology Division (ATD) will approve all PG binders. Submit certification from an approved supplier per M332 showing the final product meets specifications. Chemical or organic additive suppliers shall supply the dosage rate and provide certification of the resultant PG binder.
Source: Maryland Standard Specifications for Construction and Materials, 2025 Edition. Pages 947–948 of 1,113.