This British Standard specifies requirements for:
(1) Cast iron manhole covers, inspection covers and frames.(2) Cast iron and cast steel road gully gratings, and cast iron gully covers and frames.
Original price was: $264.16.$132.00Current price is: $132.00.
Cast manhole covers, road gully gratings and frames for drainage purposes
BSI Group , 08/21/1970
Pages: 32
(1) Cast iron manhole covers, inspection covers and frames.(2) Cast iron and cast steel road gully gratings, and cast iron gully covers and frames.