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48. Regularly but not less than once a month, sweep driveways, sidewalks and paved areas to minimize the accumulation of litter and debris. Corners and hard to reach areas shall be swept manually. Debris from pressure washing shall be trapped and collected to prevent entry into the storm drain system. Wastewater containing any soap, cleaning agent or degreaser shall not be discharged into the storm drain. g) Vegetated swales with grasses shall be mowed and clippings removed on a regular basis. Site Engineering 49. The project developer shall: a. Submit a refundable cash bond for hazard and erosion control prior to issuance of an Engineering or Building and Safety Division permit if required. The City Engineer will determine the amount of this bond. b. Submit a waste management plan to the Building and Safety Division prior to issuance of building or demolition permits. The plan shall include the estimated composition and quantities of waste to be generated and how the project developer intends to recycle at least 50-percent of the total job site construction and demolition waste measured by weight or volume. Proof of compliance shall be provided to the Chief Building Official prior to the issuance of a final building permit. During demolition and construction, the project developer shall mark all trash disposal bins "trash materials only" and all recycling bins "recycling materials only". The project developer shall con-tact Pleasanton Garbage Service for the disposal of all waste from the site. c. Prior to building permit issuance, submit a grading and drainage design plan to the Engineering Department for review and approval and in conformance with the NPDES requirements. The plan shall demonstrate that the proposed development would minimize or eliminate increases in the volume or rate of runoff associated with both small and large storm event (including two-year to 100-year storm events) from the development site. d. Submit a construction Best Management Practices (BMPs) program for review and approval by the Planning Director prior to issuance of building and/or grading permits. The general contractor and all subcontractors and suppliers of materials and equipment shall implement these BMPs. Construction site cleanup and control of construction debris shall also be addressed. Failure to comply with the approved construction BMP may result in the issuance of correction notices, citations, or a stop work order. 50. All utilities required to serve the existing house on-site shall be installed underground, including telephone, cable, electric, and gas lines. 13