| catchbasin | | A railroad tie or timber laid across a slope to control erosion. |
| popupemitter | | HP means ______ _______ as read from a landscape drawing. |
| soil | | Shallow ditch designed to carry water through and away from a site is a drainage _______. |
| invert | | The removal of soil from a site due to the action of water and wind. |
| frenchdrain | | You should never use this as a swale. |
| terrace | | Known as the 360 rule, if you have 360 degrees worth of bends in your drain pipe system, you should have at least one _______. |
| revision | | Don't use drainage components made of this material as they can become brittle with age. |
| highpoint | | Addition of new hardscape or structures may ________ the amount of water exiting a site. |
| slowrunoff | | In inches, these are the two most common sizes of rigid PVC drain pipe. |
| walkway | | One of the two primary types of construction specifications. |
| threeandfour | | A cage-like component extending above ground level, allowing for leaf material to be screened out while letting water flow through to drain below. |
| retain | | A water capture element having a sump in the bottom of the inlet to collect debris and sediment that fall into the inlet. |
| corrugated | | This is the best method of attaching drain pipes together whereby the bell-end of a pipe should face uphill when connected to another pipe. |
| cleanout | | One of the three most critical considerations in landscape construction. |
| baffle | | A process whereby mulching components are mixed and sprayed on the surface of site. |
| wye | | Mulching controls erosion by reducing the _______ of water droplets on the soil. |
| controlblanket | | This is used around perf pipe drainage systems to keep silt from clogging holes of pipe. |
| water | | This style of drain pipe needs to be installed at a 5-10% slope. |
| channeldrain | | The lowest level of a pipe, at a specific point along its run, is known as the pipe _______ elevation. |
| slope | | Long, flexible netting-covered roll usually stuffed with straw, used in erosion control on slopes. |
| holes | | A series of low walls built across a slope to control erosion. The walls can consist of timbers, wood, masonry, or stone. |
| technical | | Comprised of a layer of biodegradeable materials sandwiched between two layers of lightweight netting. Known as an erosion ________ _______. Helpful on a slope to prevent seeds from being washed away. |
| planimeter | | Straw, woodchips, and shredded wood are common ________ materials used to control erosion. |
| drysump | | One of the three most critical considerations in landscape construction. |
| riprap | | According to Dan, you should put a catch basin under each ________. |
| impact | | Large stone used to line drainage swales. Reduces erosion by slowing water flow. |
| rill | | Subsurface gravel trench designed to draw excess water off the surface and store it until it percolates into surrounding soil. |
| one | | FG signifies ______ ______ on a landscape construction plan. |
| erosion | | Small valley or rut in soil resulting from erosion. |
| areadrain | | According to Dan, this is the minimum percentage you should slope your drain pipe.(Some books say 0.2 %) |
| increase | | What do terraces, baffles, and riprap do? |
| downspout | | In perforated drain pipe, what should always face down? |
| atriumgrate | | A sticky substance used in erosion control applications. |
| tackifier | | Item used to catch water in an area that is gradually sloped in one direction or plane. Connects to sewer and drain pipe fittings. Good for hardscape perimeters. |
| mulch | | A newer type of hydromulch providing a papier-mache-like coating. |
| finishedgrade | | A tool used to measure an area of random shapes on architectural or engineering drawings. |
| swale | | Also known as drop inlet. This is a simple drain type, where water enters directly through a grate and into the drain-pipe system, without a spot for sediment collection. |
| styrene | | Drain fitting sometimes used as a cleanout. |
| notincontract | | One of the three most critical considerations in landscape construction. |
| hydromulching | | A pit of gravel into which drainage water is directed. |
| tiling | | On landscape drawings, a small triangular symbol inscribed with a number denotes a _______. |
| bondedfibermulch | | In construction documents, NIC stands for ________ _______ ________. |
| wattle | | Is it best to RETAIN water or GET RID of it all into the storm drains? |
| filterfabric | | Allows water to be diverted and released away from where it's captured. Hydrostatic pressure opens spring-loaded lid of this item. |
