Parking Garage Roof Drain

If your garage has no facilities for rinsing or washing down the decks a number of jurisdictions allow you to delete the sanitary drainage system and connect all the drains to the storm drain system.

Parking garage roof drain.

Any drains serving surfaces on these open levels should be collected and taken directly to the site storm system. A parking garage will oftentimes be open on the top and in some cases the sides. On the other hand i ran into one that required sanitary connections for a garage with no water supply at all. Cleanouts should also be installed on the underside of the slab and drain bodies should include.

Design load the water depth or build up would be limited to 3. About us contact us faq manufacturers products shipping. Clean outs are required at all points of closed drains where the grade changes from a steep to a. Discount roof drain kits for roof drains parking garage drains balcony and more.

Zurn offers a complete line of heavy duty parking deck drains providing installation and rework savings. Normally for a flat roof with a 30 lb. When we have that situation we do not trap the drains but run them to a combination solids oil interceptor just a modified manhole. Read the full list of benefits.

Like previously stated size the drains at 4 with 4 piping. Roof and ramp drains all drains located on roofs used for parking shall be considered roof drains and must comply with the plumbing code requirements for roof drains section 1101 11. Flush and clean the floor drains and drain pipes in a parking garage at least twice a year. This allows salt laden water brought in by vehicles to be quickly discharged from the surface of the parking deck to the storm or sanitary drainage system.

North metro rail line project rtd contract no. Of course we get the approval of the ahj. With parking structures that are partially open on the sides it is important to review the circumstance with industrial waste department in the city. Unless otherwise recommended by a geotechnical engineer lacrc r801 3 8.

Show down spout and location of discharge to ground surface which shall be at least 5 feet from foundations walls or to an approved drainage system. Stormwater drainage calculations parking garage cdrl 03 037 11 06 june 2 2017 prepared by. 13dh008 having checked this item of contract data i hereby certify that it conforms to the requirements of the agreement in all respects except as specifically indicated. The engineer should lay out the roof drain system consistent with the structural design strength of the roof.