Public works . ^ inches, except a smallamount that are reserved for Telford foundation andfor culverts and drains. The stone dust, amountingto about 25 yards per day, is used on the road shoul-ders. When the work was most active the cars operatedto their fullest capacity with a total force of about60 men working from 10 to 16 hours per day whoproduced a maximum quantity of 250 tons per day,thus enabling the quarry to produce within 2,000yards of all the stone required for the south endcontracts 3 and 4. SAND PITS About 4,000 yards of sand required for the firstfour miles at the northern end of
Public works . ^ inches, except a smallamount that are reserved for Telford foundation andfor culverts and drains. The stone dust, amountingto about 25 yards per day, is used on the road shoul-ders. When the work was most active the cars operatedto their fullest capacity with a total force of about60 men working from 10 to 16 hours per day whoproduced a maximum quantity of 250 tons per day,thus enabling the quarry to produce within 2,000yards of all the stone required for the south endcontracts 3 and 4. SAND PITS About 4,000 yards of sand required for the firstfour miles at the northern end of contract No. iwas imported, and about 7,000 yards used at the southend of contract 4 was also imported and deliveredby water at New London. The remainder of the30,000 yards of sand required for the entire workwas produced locally by the contractor in severalpits at tlifferent points along the work, so that in. 1/4-YARD CLAM - SHELL, BUCKET EXCAVATING SAND FROM OLD RALLROAD BORROW PIT AT COLCHESTER some cases the haul on sand amounted to 12 milesin each direction. Hauling was done with 5-tonautomobile trucks delivering the sand to storage inadvance of the road construction. The principalpits were at Marlborough and GDlchester. The for-mer was operated by a derrick and clam shovel. Theclean, sharp sand, which did not require washing orscreening, was hauled by trucks at an average rateof about 200 yards per day. A force of only 2 teamsand 5 men was required at this pit and the totaloutput from it was about 4,000 yards. The most important pit was that at Colchester,which supplied about 16,000 yards of sand for con-
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmunicip, bookyear1896
