11 - Agreement with Richard Drake Construction for concrete demolition & construction services

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Attachment "A" SCOPE OF SERVICES Demolition and construction of Curb and Gutter, Standard Driveway Approaches and Concrete Sidewalk must conform to the following guidelines and attached drawings. 1. Concrete Curb and Gutter: All concrete used for curb and gutter in the City of Paris will have a cement content of not less than 5 sacks of cement per cubic yard of concrete and a minimum compressive strength at 28 days of 3,000 pounds per square inch. The unit price bid for curb and gutter shall include 3 #3 bars of reinforcing steel. All loose material between the form will be removed and the grade wetted prior to the placing of the concrete. An approved curing compound shall be applied to the surface in accordance with Item #6 — "Curing". 2. Concrete Valley Gutters: All concrete valley gutters shall have a thickness of six (6") inches. Concrete valley gutters shall be reinforced with #4 bars on eighteen (18") inch spacing on both directions. All concrete shall have a minimum cement content of 5 sacks per cubic yard and a minimum compressive strength at 28 days of 3,000 pounds per square inch. An approved curing compound shall be applied to the surface in accordance with Item #6 — "Curing". 3. Re inforcine Steel,: All reinforcing steel used on this project shall comply in all respects to Item 440,. "Reinforcing Steel" of the Standard Specifications for Construction of Highways, Streets, and Bridges as adopted by the State Department of Texas on June 1, 2004. Payment for reinforcing steel shall be considered subsidiary to the various bid items. 4, ConcretemDriveways: Driveways shall be composed of concrete having a minimum cement content of 5 sacks per cubic yard and a minimum compressive strength at 28 days of 3,000 pounds per square inch. The unit bid price shall also include #3 bars of 12 inch, or #4 bars on 18 inch centers both ways. An approved curing compound shall be applied to the surface in accordance with Item #6 — "Curing". 5. Concrete Sidewalks: a. Materials: Sidewalks shall be constructed of concrete with a minimum cement contents of 5 sacks of cement per cubic yard of concrete, 3% entrained air, and a compressive strength of not less than 3,000 pounds per square inch at 28 days. Reinforcing steel shall be #3 bars on 18" centers both ways located two inches (2") below the top surface of the sidewalk. As soon as the concrete has obtained its initial set, a white pigmented approved curing compound shall be applied. b. Construction Procedure: In general, the grade of the sidewalks shall be established with respect to the curb. Forms shall be set for all sidewalk and shall be true to line and grade. Forms shall be set to provide a minimum cross slope of 1/4 inch per foot across the sidewalk toward the street. All forms shall remain in place at least twenty-four (24) hours. The plane of all joints shall make a right angle with the surface of the pavement. No joints shall have an error in alignment of more than one-half (1/2") inch at any point. The edges of the slab at all joints, except where joints are sawed, shall be rounded with an edger having a radius of one- quarter (1/4") inch, except as otherwise shown on the plans. The edging shall also be done symmetrically on each section with plane of the joint. Longitudinal expansion joints, joints used to separate new from old concrete, and joints around all fire hydrants shall be made of conventional one-half (1/2") inch asphalt expansion joint material extending completely through the concrete unless otherwise specified on the plans. Contraction joints shall be made in the sidewalk at regular intervals, such intervals generally being equal to the width of the sidewalk. The contractor shall grade or fill, as necessary, along the sidewalk to match the existing ground.