Workers will be installing driveway culverts, underdrain
behind the curb and performing prep work for wall construction near the visitors office on the south/westerly side of Old McHenry Road, as well as other miscellaneous work at the intersection of Old McHenry Rd and Robert Parker Coffin Road.
Tenders are invited for project consists of hauling, underdrain
, erosion control, seeding, electrical, surveying and striping.
Based on user inputs, drawing outputs can include an underdrain
, geotextile and impermeable liner if no infiltration into the soil subgrade is desired.
Reduce your risk of premature pavement failure by installing an underdrain
The Greater Cincinnati Water Works replaced the sand media and underdrain
systems of four test filters and operated the filters continuously for 12 months.
To remediate this problem, an underdrain
system was designed to lower the groundwater and prevent uplift.
These include the H&T Underdrain
System, the Air/Water Wash System, and the Gravel Retaining Screen.
these include a 4" pipe underdrain
, 4" conduit for a future water and gas services, and 1.5" electrical conduit.
* The underdrain
pipes must be vented on each side of the filter.
The most common relate to bridge operation, the filter bed, and the underdrain
Options analysis and market research for the filter underdrain
system supply contract;
Tenders are invited for removal and replacement of approx 2,690 sf of sidewalk and curb ramps and the removal of existing sidewalk, installation of new sidewalks, installation of sidewalk ramps and truncated domes, and installation of 4" perforated pipe underdrain
for ditch enclosure.