25B - AGMT STORMWATER LIFT STATION

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PROPOSALstw � T a Civic Center5tormwcwUft5tatianRenavat(onResign5ervices y <_ �..._ .. in terms of the North American Vertical Datum of 1988 (NAVD 88), based locally upon County of Orange benchmarks. Densified project control and benchmarks will be set at appropriate intervals along the beginning and end of the project. Topographic Mapping Topographic mapping will be provided for design -level detail at a scale of 1"= 40' with one (1) foot interval contours. Mapping will meet the requirements In "ASPRS Accuracy Standards for Large -Scale Maps," dated March 31, 1993, and will be provided in AutoCAD format Including a digital terrain model (DTM). CADD files to be provided with standard Michael Baker file specifications compatible with AutoCAD Civil 3D format unless specked by client. Topography shall include obtaining locations, elevations, and descriptions of: • Contours at one -foot intervals • Spot elevations on hardscape features. • Curb and gutters, sidewalks and driveways. • Pavement areas including the roadway surface and cross gutters. • Power poles,streetlights, traffic signals and majorsigns, overhead power lines within the Right of Way. • Above ground utilities including valves, pull -boxes, meters, and vaults. • Manhole Rims and Inverts. • All major surface features that define the shape of the terrain, such as tops and toes of slopes, grade breaks and natural ground • Fences and walls within the City Right of Way O. Potholing. Michael Baker's subconsullant will provide potholing services, if requested by the City, to identify potential utility conflicts. A preliminary allowance that includes up to five (5) potholes is provided in the fee schedule. This allowance assumes (3) potholes 12 in x 12 in, up to 5 feet deep, and two (2) potholes 12 in x 12 in, 5-10 feet deep. C Below Proposal: C Below will perform (5) potholes as indicated in the client provided potholing exhibit. A standard pothole is 12 in x 12 in, up to 5 feet deep, performed to the top of pipe or encasement with sand backfill and a permanent surface patch. Additional costs: Potholes outside of our standard will be billed based on actual depth or conditions. Limitations on work hours may cause additional mobilization or traffic control charges. Permitting fees will be adjusted to actual costs. If C Below is not hired to mark the locations of the potholes, they will be performed off of the utility provider's marks under the client's direction. Utility providers typically do not mark out sewer or storm drain lines. Dry holes are considered billable. Locating is a separated line item that will be represented on your estimate. r Itl Tf Rp RTIVbEL 23 25B-74