(a) Catch basins and drop inlet shall receive 12 inches of No. 67 stone base to extend 6 iches beyond the base.
(b) Set base plumb and level. Align box invert with pipe invert.
(c) Secure pipe connectors to pipe in accordance with manufacturer's recommendation.
(d) Clean bells and spigots of foreign material that may prevent sealing. Unroll the butyl sealant rope directly against base of spigot. Do not stretch.
(e) After joining box sections, apply the butyl sealant sheet around the outside perimeter of the joint.
(f) Plug lift holes using a non-shrink grout. Cover with a butyl sealant sheet on the outside and seal on the inside with an application of an epoxy gel 1/8-inch thick extending 2 inches beyond the opening.
(g) Cement mortar shall be installed completely around frames to prevent water and soil from entering between box and frame.
(h) Finish the interior by filling fractures greater than 1/2-inch in length, width or depth with a sand cement mortar. Do not fill the joints between the precast components.
(i) Clean the interior of the structure of foreign matter.
(Ord. of 11-7-16, No. 10-16)