Common use of retention Area Clause in Contracts

retention Area. A vegetated bio-retention area has been constructed to treat stormwater runoff from roofs and walkways. The bio-retention facility has been incorporated into the landscaping located at the front entrance to the building. The bio-retention is approximately 400 square feet in area. The facility has been fitted with a high flow intake designed for larger storm events and been fitted with an underdrain connected to the piped storm drain system. General Site Operations and Maintenance Schedule Parking Area • Parking area is to be swept twice annually to remove excess sediment. Recommended sweeping should take place once after spring melt and prior to May 15, and once after August 15 and prior to October 15. Catch Basins, Stormdrain Manholes • Annual Inspection to ensure that inlets and piping inverts are free from blockage • Clean as required, or at least every three years Oil and Grit Separator (OGS) • Inspect twice during first year, per manufacturer • Inspect annually to ensure that inlets and piping inverts are free from blockage • Clean when sediment depth reaches 15% of capacity or in normal when catch basins require cleaning Field Inlets, Curb Inlets • Monthly inspection to ensure that inlets are free from blockage • Remove trash and debris as needed Vegetative Swale • Monthly inspection for trash and debris; remove as required • Annual inspection for condition of soil and vegetation • Re-vegetate and remove accumulated sediment as-needed Bio-retention Area • Maintenance and inspection of plant condition as part of normal landscaping, or at least once per year • Replace dead plants as-needed • Inspect annually for accumulated sediment, remove as necessary • Inspect/maintain high flow inlet and riser as per field/curb inlets

retention Area. A vegetated bio-retention area has been constructed to treat stormwater runoff from roofs and walkways. The bio-retention facility has been incorporated into the landscaping located at the front entrance to the building. The bio-retention is approximately 400 square feet in area. The facility has been fitted with a high flow intake designed for larger storm events and been fitted with an underdrain connected to the piped storm drain system. General Site Operations and Maintenance Schedule Parking Area •  Parking area is to be swept twice annually to remove excess sediment. Recommended sweeping should take place once after spring melt and prior to May 15, and once after August 15 and prior to October 15. Catch Basins, Stormdrain Manholes •  Annual Inspection to ensure that inlets and piping inverts are free from blockage •  Clean as required, or at least every three years Oil and Grit Separator (OGS) •  Inspect twice during first year, per manufacturer •  Inspect annually to ensure that inlets and piping inverts are free from blockage •  Clean when sediment depth reaches 15% of capacity or in normal when catch basins require cleaning Field Inlets, Curb Inlets •  Monthly inspection to ensure that inlets are free from blockage •  Remove trash and debris as needed Vegetative Swale •  Monthly inspection for trash and debris; remove as required •  Annual inspection for condition of soil and vegetation •  Re-vegetate and remove accumulated sediment as-needed Bio-retention Area •  Maintenance and inspection of plant condition as part of normal landscaping, or at least once per year •  Replace dead plants as-needed •  Inspect annually for accumulated sediment, remove as necessary •  Inspect/maintain high flow inlet and riser as per field/curb inlets

retention Area. A vegetated bio-retention area has been constructed to treat stormwater runoff from roofs and walkways. The bio-retention facility has been incorporated into the landscaping located at the front entrance to the building. The bio-retention is approximately 400 square feet in area. The facility has been fitted with a high flow intake designed for larger storm events and been fitted with an underdrain connected to the piped storm drain system. General Site Operations and Maintenance Schedule Parking Area • Parking area is to be swept twice annually to remove excess sediment. Recommended sweeping should take place once after spring melt and prior to May 15, and once after August 15 and prior to October 15. Catch Basins, Stormdrain Manholes • Annual Inspection to ensure that inlets and piping inverts are free from blockage • Clean as required, or at least every three years Oil and Grit Separator (OGS) • Inspect twice during first year, per manufacturer • Inspect annually to ensure that inlets and piping inverts are free from blockage • Clean when sediment depth reaches 15% of capacity or in normal when catch basins require cleaning Field Inlets, Curb Inlets • Monthly inspection to ensure that inlets are free from blockage • Remove trash and debris as needed Vegetative Swale • Monthly inspection for trash and debris; remove as required • Annual inspection for condition of soil and vegetation • Re-vegetate and remove accumulated sediment as-needed Bio-retention Area • Maintenance and inspection of plant condition as part of normal landscaping, or at least once per year • Replace dead plants as-needed • Inspect annually for accumulated sediment, remove as necessary • Inspect/maintain high flow inlet and riser as per field/curb inletsnecessary