9421 18TH AVE W LILYS COURT 2025-07-29

• • Requirements for Placing Stone with an Excavator A bed may be built either parallel to or perpen- dicular to the chamber row's direction with this process. The excavator typically works inside the • - excavation, leading the way across the bed. It is also possible for the excavator to work at grade over the recently placed chambers following the build across. If this process is done it is required - -'i - that the depth of cover between tops of chambers 9.. '° and the excavator's tracks be the minimum • required by Tables 1 &2 on page 9. fl\ ^ Anchor chambers by carefully ladling the stone directly over the centerline of the chambers. Evenly distribute stone to minimize chamber move- Carefully ladle nominal 3/4-2"(19-51 mm)clan, crushed ment while maintaining row separation distances. angular stone over the centerline of the chamber row, • r2a After chambers are anchored, continue to Placing stone with an excavator is a common method place the stone, surrounding the chambers and fill- of placing stone over StormTech's chambers. Its ing the perimeter areas to a minimum of 6"(152 mm) biggest limitation is the reach of the excavator over the top of chambers and manifolds. Do not arm. For larger beds it is common practice to work drive equipment over the chambers without mini- across a bed by joining only a few rows of cham- mum cover required by Tables 1 &2 on page 9. • bers and placing their angular stone embedment, the filter fabric and soil fill before moving onto the ® Repeat steps 1 & 2 until all the chambers are next few rows. laid to the dimensions of the engineer's drawing. • Requirements for Pushing Stone with a Dozer A dozer may be used to push the stone embedment into place over the chambers.There are some strict • Ohli fi"-___ requirements for this process. ® All stone must be pushed in a direction • a K -r parallel with the rows of chambers. Pushing stone perpendicular across chamber rows may cause the chambers to move, possibly reducing the required 6" (152 mm) minimum spacing between rows. ElAlways maintain the required cover between the • tops of chambers and the dozer tracks, per Table 2 �y � � ICY ,m, xs_ rri,Po �.- on page 9. The contractor must check Table 2 on AL, page 9 to determine if their construction vehicles Low ground pressure track vehicle pushing stone parallel with rows. can be used over the chamber bed. • 6 Call StormTech at 888.892.2694 for technical and product information or visit www.stormtech.com. • 1-7