[DOC] [TLE] Manhole cover - Wikipedia [PAR] A manhole cover is a removable plate forming the lid over the opening of a 
manhole, to prevent anyone or anything from falling in, and to keep out 
unauthorized persons and material. Manhole covers date back at least to the era 
of ancient Rome, which had sewer grates ... Manhole covers are often made out 
of cast iron, concrete or a combination of... [DOC] [TLE] Everything You Ever Need to Know About Sewers and Sewer Rodding [PAR] This is the most comprehensive look at sewer rodding and drain cleaning on the 
web. ... blockages to make sure the cable isn't binding up leading to lost and 
broken cable ... However when you pull the rod back the blockage closes back 
on the hole .... Most older sewer lines in the US are cast iron or clay tile and in 
between... [DOC] [TLE] Sewers in Culture  artwork, postcards, posters, music, etc. | The ... [PAR] Recording the disappearing legacy of intricate cast iron manhole covers is an 
important ... Because of our anti-pollution laws, many of our foundries closed. ... 
that viewers wonder how she managed to put all that weight  up on the wall. .... 
These photos show one of Vienna's unusual manholes, which lead from street 
level... [DOC] [TLE] Part 6  Early Sewage Conveyance Systems | The History of ... - Sewer [PAR] The size of the manhole opening was chosen early on to be 24 diameter ... 
Sewer  A pipe or conduit, generally closed, but normally not flowing full, for 
carrying sewage and other ... Lamp-hole  A small vertical pipe or shaft leading 
from the surface of the ... Manhole Head  The cast iron fixture surmounting a 
manhole. [DOC] [TLE] Manhole covers - history, early designs and examples (1) - Sewer [PAR] For the last 200+ years, iron works in the United States have made cast-iron 
manhole ... was a military camp with a civilian town close to the province border 
of Noricum. Stones like these may have been used to cover sewers, but more 
likely a ... These photos show one of Vienna's unusual manholes, which lead 
from street... [DOC] [TLE] Municipal, Manhole, Drain, Sewer | Cover - Crescent Foundry [PAR] Crescent Foundry is the leading manufacturer of Municipality Products like ... 
highest quality Cast Iron (Grey) and Ductile Iron (SG) manhole covers in India for 
Drainage ... Sizes : 300 mm X 300 mm (11.81" X 11.81") clear opening to 1200 
mm X ... Gully Gratings :- These are used to drain out rain and waste water from 
roads... [DOC] [TLE] Why Do I Have Sewer Smells In My Home or Business? - Paw Paw [PAR] These are the least visible and least glamorous elements of your home's ... Vents 
allow sewer gases to flow up the soil stack and exit the DWV system without ... If 
you have older cast iron piping you may be getting smells through cracks in your 
pipes. ... plumbing codes require a "trap" at every drain opening, as shown here:. [DOC] [TLE] Model Sewer Use Law - NYS Dept. of Environmental Conservation [PAR] Most municipalities have enacted sewer use codes but many of these are now 
several years old. For various ... Section 610B - Cast Iron Pipe Poured Joints [DOC] [TLE] Indian Standard: CODE OF PRACTICE FOR ANCILLARY ... [PAR] This standard applies to manholes built for public sewers and does not cover 
manholes ... Manhole An opening by which a man may enter or leave a drain, 
a sewer or other closed ... These may be rectangular, arch type or circular in plan. 
.... When cast iron manhole covers and frames are used they shall conform to IS... [DOC] [TLE] Section V - Gulf Shores Utilities - Specifications for Water and Sewer ... [PAR] Sewer lateral ends shall have a maximum cover of forty-eight (48) inches ... 
These record drawings shall specifically locate via discrete, manual ... SCREWS, 
FRAME AND CAST IRON W/TYPE 2 PICK VULCAN FOUNDRY ..... Openings in 
existing manholes shall be created by core drilling the manhole at the proper 
grade

Question: These openings leading to the sewer are closed up with cast iron covers
Answer: Manholes