8.1. SR 04-15-2019 - Laserfiche WebLink

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to protect the downstream waters of the state. All areas disturbed by the grading operations shall be stabilized per the MPCA NPDES Stormwater Permit for Construction Activity and the City MS4 permit. Seed shall be in accordance with the City's current seeding specification which will include temporary erosion control measures to provide ground cover as rapidly as possible. All seeded areas shall be fertilized, mulched, and watered as necessary for seed retention and growth. The parties recognize that time is of the essence in controlling erosion. If the Developer does not comply with the MPCA NPDES Stormwater Permit for Construction Activity, the City MS4 permit, with the erosion control plan and schedule, or supplementary instructions received from the City or other regulating authority, the City may take such action as it deems appropriate to control erosion. The City will endeavor to notify the Developer in advance of any proposed action, but failure of the City to do so will not affect the Developer's and City's rights or obligations hereunder. If the Developer does not reimburse the City for any cost the City incurred for such work within ten (10) days, the City may draw down the letter of credit to pay any costs. No development, utility or street construction will be allowed and no building permits will be issued unless the plat is in full compliance with the approved erosion control plan. (04) Gradin . The Subdivision shall be graded in accordance with the approved grading development and erosion control plan, Plan B. The plan shall conform to City specifications. Within thirty (30) days after completion of the grading and before the City approves individual building permits (except up to three model home permits on lots acceptable to the Building Official per section 18), the Developer shall provide the City with an "as constructed" grading plan certified by a registered land surveyor or engineer that all storm water treatment/infiltration basins and swales, have been constructed on public easements or land owned by the City. The "as constructed" plan shall include field verified elevations of the following. (a) cross sections of storm water treatment/infiltration basins; (b) location and elevations along all swales, wetlands, wetland mitigation areas if any, locations and dimensions of borrow areas/stockpiles, and installed "conservation area" posts; and (c) lot comer elevations and house pads, and all other items listed in the City Code. The City will withhold issuance of building permits until the approved certified grading plan is on file with the City and all erosion control measures, including full vegetation of entire site, are in place as determined by the City Engineer. The Developer certifies to the City that all lots with house footings placed on fill have been monitored and constructed to meet or exceed FHA/HUD 79G specifications. The soils observation and testing report, including referenced development phases and lot descriptions, shall be submitted to the Building Official for review prior to the issuance of building permits. (05) Clean Up. The Developer shall clean dirt and debris from all streets that has resulted from construction work by the Developer, home builders, subcontractors, their agents or assigns. Prior to any construction in the plat, the Developer shall identify in writing a responsible party and schedule for erosion control, street cleaning, and street sweeping. (06) National Pollutant Discharge Elimination System Requirements. Prior to the commencement of any work, the Developer shall provide a signed Storm Water Pollution Prevention Plan for City review and approval to control erosion from the site. Because the site is over one (1) acre, the Developer shall also apply for and obtain an NPDES permit from the Minnesota Pollution Control Agency. (07) Municipal Separate Storm Sewer System Requirements. All storrriwater management activities shall comply with the City MS4 permit. 10