Specifications - City of Montpelier, Vermont

Montpelier District HeatingCity of Montpelier, VT02520 – Portland Cement Concrete PavingIssue Date:September 28, 2012Page #:2 of 10E. Material certificates in lieu of material laboratory test reports when permitted byArchitect. Material certificates shall be signed by manufacturer and Contractorcertifying that each material item complies with or exceeds requirements. Providecertification from admixture manufacturers that chloride content complies withrequirements.1.4 QUALITY ASSURANCEA. Concrete Standards: Comply with provisions of the following standards, except wheremore stringent requirements are indicated.1. American Concrete Institute (ACI) 301, "Specifications for Structural Concrete forBuildings."2. ACI 318, "Building Code Requirements for Reinforced Concrete."3. Concrete Reinforcing Steel Institute (CRSI) "Manual of Standard Practice."B. Concrete Manufacturer Qualifications: Manufacturer of readymixed concrete productscomplying with ASTM C 94 requirements for production facilities and equipment.C. Concrete Testing Service: Engage a qualified independent testing agency to performmaterials evaluation tests and to design concrete mixes.1.5 PROJECT CONDITIONSA. Traffic Control: Maintain access for vehicular and pedestrian traffic as required forother construction activities.PART 2PRODUCTS2.1 FORMSA. Form Materials: Plywood, metal, metalframed plywood, or other acceptable paneltypematerials to provide fulldepth, continuous, straight, smooth exposed surfaces.1. Use flexible or curved forms for curves of a 100foot or less radius.B. Form Release Agent: Provide commercial formulation formrelease agent with amaximum of 350 g/L volatile organic compounds (VOCs) that will not bond with, stain,or adversely affect concrete surfaces and will not impair subsequent treatments ofconcrete surfaces.2.2 REINFORCING MATERIALSA. Reinforcing Bars and Tie Bars: ASTM A 615, Grade 60, deformed.PORTLAND CEMENT CONCRETE PAVING 02520 2