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There are 5 core requirements when it comes to designing for LID. Conserve natural areas wherever possible (don't pave over the whole site if you don't need to). Minimize the development impact on hydrology. Maintain runoff rate and duration from the site (don't let the water leave the site).
The purpose of a downspout is to allow water from a gutter to reach the ground without dripping or splashing down the building structure. Downspouts are usually vertical and usually extend down to ground level, although may be routed at an angle to avoid architectural features and may discharge onto an intermediate roof.
PROCUREMENT AND CONTRACTING REQUIREMENTS GROUP: Division 00 — Procurement and Contracting Requirements; SPECIFICATIONS GROUP. General Requirements Subgroup. Division 01 — General Requirements; Facility Construction Subgroup. Division 02 — Existing Conditions; Division 03 — Concrete; Division 04 — Masonry; Division 05 — Metals
Gutters and downspouts are used to catch rain water as it falls and to discharge it away from houses and buildings. When gutters are clogged or downspouts are broken, rainwater is absorbed by the soil near the foundation, increasing hydrostatic pressure. Weeping tile is a porous plastic drain pipe installed around the perimeter of the house ...
This gives a required discharge outfall capacity. (litres/sec) . [ 13 ] Rainfall intensity, the amount of water likely to generated in a two-minute rainstorm is more important than average rainfall, the British Standards Institute [ 14 ] notes that an indicative storm in Essex, (annual rainfall 500 mm per annum) delivers 0.022 L/s/m²- while ...
The 16 Divisions of construction, as defined by the Construction Specifications Institute (CSI)'s MasterFormat, is the most widely used standard for organizing specifications and other written information for commercial and institutional building projects in the U.S. and Canada.