Garage Drains

Drains shall be Rockford Combination Separator-Drains, as manufactured by Rockford Separators, Inc., Rockford, Illinois, and as noted on plans.

SEPARATOR-DRAIN SPECIFICATIONS

Furnish ______Rockford Model SD-______all-welded steel combination separator-drains, ______” (tapped) (hubbed) outlet with outlet vent connection, ______” internal rear vent connection, visible double-wall outside trap seal, (easily removable) (tamper-proof) non-breakable inlet grate of (steel) (polished brass) with slotted inlet grate openings, grate suitable for ______ (specify pedestrian traffic or reinforced for heavy vehicular traffic), removable sediment and mud pan, separator screen, and filter screen, OPEX® Shop Coat coating inside, bituminous coating outside.

OPTIONAL FEATURES:

Inlet grate of stainless steel, concrete anchor flange with or without non-puncturing clamping ring, weep holes. Epoxy coated. Circular inlet grate openings. Integral extensions available.

NOTES FOR GRATES:

All standard grates are made with ASTM A242 material. A) Stock grates rated at 500# wheel load.B) Light traffic rated at 1000# wheel load (H-10). C) Heavy traffic rated at 16,000# wheel load (H-20).

NOTE

These are combination separator drains.

HOW TO ORDER

When an extension is needed to meet deep roughing-in of the outlet, select the separator drain of the right size and capacity from the table. Then determine required dimension A from center of outlet to top of inlet grate.

Dimension A is variable and can be specified to a fraction of an inch; integral extensions in 6-inch increments indicate price breaks. Dimension A plus dimension B is the overall height of separator drain C.

* Smaller outlets available.
+ 3/8″ x 3″ slots (optional circular openings not available on SD-18 – 3/8″ x 3″ slots only).
• 6″ & larger – companion flange connection.

Model Greasy Sludge Capacity (lb.) Liquid Holding Capacity (gal.) Tapped* Outlet (in.) Tapped Internal Rear Vent (in.) Top to Center of Outlet A (in.) Bottom to Center of Outlet B (in.) Height C (in.) Width of Drain D (in.) Length E (in.) Overall Width F (in.) Top to Rear Vent (in.) Open Grate + Area (square inches) Number of Inlet Grates Number of Sediment Pans PDF Specification Drawing CAD Specification Drawing
SD-18 12 3.5 2 n/a 4.5 10.5 15 10 12 14 n/a 16 1 1
SD-20 23 6.5 3 n/a 7.5 12.5 20 14 16 24 n/a 20 1 1
SD-25 77 22 4 2 7.625 17.625 25.25 19 20.5 27 6 22 1 1
SD-30 105 30 4 2 10 23 33 19 20.5 27 6 22 1 1
SD-40 193 55 4 2 10 22 32 22.5 30 30.5 6 32 1 1
SD-48 350 100 4 2 10 22 32 30 44.625 38 6 64 2 2
SD-60 438 125 • 6 3 11 27 38 22.5 60.5 34.5 8 64 2 2
SD-72 665 190 • 6 3 11 27 38 30 66.75 42 8 70 3 2
SD-84 910 260 • 6 3 11 27 38 30 88.75 42 8 100 4 2
SD-96 1155 330 • 6 3 15 29 44 30 111 42 8 120 5 2