INSIDE DROP BOWL INSTALLATION
1. Select Drop Bowl of size appropriate to flow rate and pipe diameter.
(Examples:The"A" Bowl with 4" outlet will service up through full 6" inlets. The "A" Bowl with 6" outlet will service up through full 8" inlets. Can be used for 10" & 12" inlet moderate flows. The "B" Bowl with 8" outlet will service up through full 10" inlets. The "B" Bowl with 10" outlet will service up through full 12" inlets. Can be used for 15" and 16" moderate flows. Larger sizes and flat wall configurations also available.)
A pipe size downsize is possible in most applications.
2a. Trim incoming pipe so that only 2" maximum protrudes into manhole.
2b. For improved flow control, cut a "V" shaped notch at bottom edge of incoming pipe.
3. Center Drop Bowl directly under incoming pipe, allow approximately 1" clearance between pipe and bowl.
4. Attach Drop Bowl to manhole wall with 3/8" diameter stainless steel bolts in lead expansion anchors. (See following instructions).
- Drill a 3/4" hole into the base material to the required depth (approximately 1-1/4" deep.)
- Blow the hole clean of dust and other material.
- Insert the anchor into the hole (Lead shield out).
- Position a setting tool or a 9/16" socket against the anchor outer cone. (The outer rim of the tool or socket should seat onto the lead shield rim.)
- Using the tool or socket, set the anchor by driving the lead sleeve over the cone using several sharp hammer blows. (Be sure the anchor is at the required embedment depth.)
- Position the fixture, insert screw or bolt and tighten.
5. Cut and mount SDR 35 PVC drop pipe of diameter appropriate to Drop Bowl size and flow using RELINER adjustable stainless steel clamping brackets (RELINER clamping brackets will adjust to allow drop pipe to maintain correct stand off from wall).
6. Connection from Drop Bowl to drop pipe shall be by flexible external pipe connector (Fernco recommended).
7. Attach drop pipe to wall using RELINER Adjustable Clamping Brackets using a minimum of 2 brackets with a maximum spacing of 4 feet.
8. Install appropriate pipe elbow to provide smooth transition into channel flow.
Our Drop Bowl warranty is void if the drop pipe is not installed with the correct RELINER pipe support brackets. These brackets fully support the drop pipe and hold it off the wall the correct distance.
- (8) 3/8 X 1" X 16 18-8 stainless hex cap screw full thread
- (8) 3/8 18-8 stainless washers
- (8) 3/8 16 x 1-1/4 lead tamp-in expansion anchors
The above are shipped assembled.
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