ATTACHMENT D Standard State Provisions - Architect/Engineer Professional Service Agreement (dated 04/12/2011)
ATTACHMENT B FORM OF RELEASE AGREEMENT
Attachment E Data Use Agreement-TACCHO Version Attachment F – Federal Assurances-v1.1 Attachment G – Certification Regarding Lobbying Attachment H – FFATA Certification Form
ATTACHMENT C STANDARD STATE PROVISIONS FOR CONTRACTS AND GRANTS
ATTACHMENT A Equity Funds
System Description The wet detention basin is designed to trap 80% of sediment in runoff and maintain pre-development downstream peak flows. The basin has two forebays (smaller ponds) located at the low end of two grass xxxxxx. In addition to runoff conveyance, the grass xxxxxx also allow infiltration and filtering of pollutants, especially from smaller storms. The forebays are each 4 feet deep. They are connected to the main pool by 18 and 24-inch metal pipes that outlet onto a rock chute. The forebays will trap coarse sediments in runoff, such as road sands, thus reducing maintenance of the main basin. The main pool will trap the finer suspended sediment. To do this, the pond size, water level and outlet structures must be maintained as specified in this Agreement (see Figures 1, 2 and 3). The main basin receives runoff from a 67.1 acre drainage area (41.2 acres within the subdivision and 25.9 acres off-site drainage coming from the east). During high rainfall or snow melt events, the water level will temporarily rise and slowly drain down to the elevation of the control structure. The water level is controlled by a 12-inch concrete pipe extending through the berm in the northwest corner of the basin (see Figures 1 and 3). On the face of the 12-inch pipe, there is metal plate with a 3-inch drilled hole (orifice) with stone in front of it. This orifice controls the water level and causes the pond to temporarily rise during runoff events. Washed stone (1- 2” diameter) is placed in front of the orifice to prevent clogging. High flows may enter the grated concrete riser or flow over the rock lined emergency spillway. “As-built” construction drawings of the basin, showing actual dimensions, elevations, outlet structures, etc. will be recorded as an addendum(s) to this agreement within 60 days after [Municipality Name] accepts verification of construction from the project engineer.
Attachment A, Scope of Services The scope of services is amended as follows:
Technical Specifications The Technical Specifications furnished on the CD are intended to establish the standards for quality, performance and technical requirements for all labor, workmanship, material, methods and equipment necessary to complete the Work. When specifications and drawings are provided or referenced by the County, these are to be considered part of the Scope of Work, and to be specifically documented in the Detailed Scope of Work. For convenience, the County supplied specifications, if any, and the Technical Specifications furnished on the CD.
Service Description 2.1 General
Service Specification The Parties have agreed upon the scope and specification of the Services provided under this Service Agreement in the Service Specification.
