Reso 1996-046 to 050 - Laserfiche WebLink

Home

STORM DRAINAGE CONNECTION WILLIAMS STREET TO MERCED SHEET - SCOPE OF WORK Task 1 - Preliminary Investigation: 1.00 Boundary Mapping: The CONSULTANT shall determine the affected property lines based on available record information, and prepare an AUTOCADD drawing. 1.10 Utility Mapping: The CONSULTANT shall identify all known underground utilities along the storm drain alignment. This shall be accomplished by reviewing available plans, contacting USA, and thoroughly investigating the site. The CITY will provide potholing as needed to determine exact locations of underground facilities. 1.20 Topographic Survey: The CONSULTANT shall perform a topographic survey of the proposed alignment. The survey shall include, cross sections every 25 feet fence line, top of curb, edge of pavement, edge of building, and boundary corners, if possible. In addition, the CONSULTANT shall survey paint marking placed by USA. 1.30 Base Mapping: The CONSULTANT shall combine all topography, boundary, and utility information into one electronic file. This file shall be the base for all design work. 1.40 Preliminary Alignment: The CONSULTANT shall design the preliminary alignment in AUTOCAD version 12 format per City of San Leandro Standards. 1.50 Drainage Calculations: The CONSULTANT shall prepare drainage calculations to determine storm drain pipe diameters and hydraulic freeboard. Depending on the available hydrology/hydraulic information, the CONSULTANT may be forced to make conservative assumptions as to the existing hydraulic conditions. This project is not intended to include a comprehensive area wide drainage study. Drainage calculations shall be approved by Alameda County Flood Control. 1.60 Preliminary Legal Documents: The CONSULTANT shall prepare a plat and description for a storm drain easement and a temporary construction easement for submittal to the CITY. The plats and descriptions will be on 8-1/2" x I V exhibits. January 24, 1996 Page 1