Of separate drains, 1437 feet.
The cost of back tubular drains, 45l. 12s. 6d., or 1l. 19s. 8d. per house.
Of separate tubular drains, 131l. 13s. 6d., or 5l. 14s. 6d. per house.
Of separate brick drains, 305l. 7s., or 13l. 5s. 6d. per house.
“In another block of 46 houses—
The length of back drainage, 1143 feet.
Ditto by separate ditto, 1892 feet.
The cost of back tubular drainage, 66l. 5s. 2d., or 1l. 8s. 9¾d. per house.
Ditto of separate ditto ditto, 178l. 19s. 8d., or 3l. 17s. 10d. per house.