931 BROADWAY TEUTSCH STUDENT HOUSING 2018-03-07

-- rrev view � •• �o�u�. � LAND ALTERATIONS - Call out the number of square feet of rooftops and the number of square feet of other impervious surfaces such as driveways and parking areas. - Show connection to nearest stream, if possible, or state distance to stream. - A note indicating that bare and/or disturbed soils shall remain uncovered and/or unstabilized for no more than 2 days from October 1 through April 30, and for no more than 7 days from May 1 through September 30. 2-2.2 SMALL PARCEL BMPs 2-2.2(1) BMP ES.10 PLANNED CLEARING AND GRADING _ Clearing and grading of the site should be planned properly. It is important to clear only the areas needed, thus keeping exposed areas to a minimum. Clearing should be phased so that only those areas that are - actively being worked are uncovered. Clearing limits should be flagged and reviewed by the appropriate city official in the lot or area priar to the initiation of clearing. - 2-2.2(2) BMP ES.20 EXCAVATED BASEMENT SOIL Excavated basement soil should be located a reasonable distance behind the curb, such as in the backyard ar side yard area. This practice will increase the distance eroded soil must travel to reach the storm sewer system. Soil piles should be covered until the soil is either used or removed. Piles should be situated so that sediment does not erode into the street, adjoining yards and does not enter surface water. 2-2.2(3) BMP ES.30 BACKFILLING Basement walls should be backfilled as soon as possible and the lot rough graded. This practice will eliminate large soil mounds which are highly erodible and prepares the lot for temporary cover, which will further reduce erosion potential. 2-2.2(4) BMP ES.40 REMOVAL OF EXCESS SOIL Excess soil should be removed from the site as soon as possible after backfilling. This practice will eliminate any sediment loss from surplus fill. 2-2.2(5) BMP ES.50 MANAGEMENT OF SOIL BANKS If a lot has a soil bank higher than the curb, the bank should be located several feet behind the curb and a shallow trench should be excavated between the bank and the curb. This practice will help prevent any eroded sediment from entering the street. • 2-2.2(6) BMP ES.60 CONSTRUCTION ROAD ACCESS , Gravel or crushed rock shall be applied to the driveway area and vehicle traffic restricted to this one route. _ Driveway paving can be installed directly over the gravel. This measure will help prevent soil from adhering to tires and stop soil from washing into the street. This construction access requires �eriodic inspection and maintenance including washing, top-dressing with additional stone, reworking and compaction. 2-2.2(7) BMP ES.70 SOIL STABILIZATION Soil stabilization measures protect soil from the erosive forces of raindrop impact and flowing water. Acceptable measures include establishing vegetation by sodding or seeding, mulching with two tons of straw per acre or approved equal, plastic or other impervious covering staked to the ground or anchored with rocks or sandbags, and the early application of gravel base on areas to be paved. STANDARDS 2-2