Purchase a Manhole Base 320/470mm x 110/160mm at Rock Bottom Prices!
320mm Manhole Base with 3 Inlets and 1 x 110mm outlet.
470mm Manhole Base with 5 inlets and 1 x 110mm outlet.
470mm Manhole Base with 5 inlets and 1 x 160mm outlet.
Manufactured in the UK and BBA Approved our budget manhole bases have been hand selected by EasyMerchant for their mix of product quality and great price! These manhole bases have been manufactured and tested to and beyond all of the relevant quality standards.
Our budget Inspection Chambers (also known as manhole bases) in 320mm and 470mm are acceptable for depths of 600mm for the 320mm manhole bases and 3000mm for the 470mm manhole bases so long as the appropriate reducing ring is used beneath the manhole cover after 1.2mts. The 470mm Manhole Bases are fine for installation to a degree invert depth of 1200mm. The 320mm bases include two additional inlets for connection to the sewer pipe. The 470 manhole bases include 4 inlets.
So that the manhole bases are complaint with Building Regulations 2000 Approved Document H (Drainage & Waste Disposal) a 350mm reducing ring is to be installed for peaks above 1200mm, to a maximum of 3000mm reverse thickness. Our budget manhole bases also come “BBA Approved” which means that they have been tested to the highest standards and will perform beyond all expectations.
At EasyMerchant we do our best to impress our customers, all of the underground drainage products within this category have been selected due to their excellent combination of high quality and low cost. We make sure all products are tested to their relevant standards and manually inspect them ourselves to judge the quality before we let them leave our doors. We couple this with excellent customer service and a speedy delivery fleet as we think this is.
Manhole Base Invert Depths:
320mm Manhole Base = 185mm
320mm Manhole Riser = 140mm
470mm Manhole Base = 225mm
470mm Manhole Riser = 235mm