ASTM C144 Aggregate for Masonry Mortar
ASTM C207 Hydrated Lime for Masonry Purposes
ASTM C478 Precast Reinforced Concrete Manhole Sections
ASTM C923 Specification for Resilient
Connectors Between Reinforced Concrete
Manhole Structures and Pipes
ASTM C1244 Standard Test Method for Concrete Sewer Manholes by the
Negative Air Pressure (Vacuum) Test.
American Association of State Highway and Transportation Officials (AASHTO)
AASHTO Ml98Joints for Circular Concrete Sewer and Culvert Pipe Using
Flexible Watertight Gaskets
Occupational Safety and Health Administration
OSHA 29 CFR 1910.27 Fall Prevention Protection
1.05 SUBMITTALS: INACCORDANCE WITH REQUIREMENTS OF GENERAL
SPECIFICATIONS, SUBMIT THE FOLLOWING:
A. Six sets of manufacturer literature of the materials of this section shall be submitted to the
Engineer for review.
B. _ Tests reports as required shall be submitted to the Engineer.
PART 2 - PRODUCTS 2.01 | PRECAST CONCRETE SECTIONS:
A. All precast concrete sections shall conform to ASTM C478 with the following exceptions
and additional requirements:
1. The wall thickness of precast sections shall be as designated on the drawings,
meeting the following minimum requirements:
Section Diameter (Inches) Minimum Wall Thickness (Inches)
48 5
60 6
72 7
84 8
2. Type II cement shall be used except as otherwise approved.
0263 1-2
