17 November 1976
PONED-G
Quarry, Rock Crushing, Screening and Central Mix Batch Plant Operations for
Cleanup of Enewetok Atoll, M.I.
b.
Determine total volumes of coarse aggregate to be stockpiled.
(5,400 c.y.)(1 + total correction factor)
3/4" to No. 4
(5,400 c.y.)(1 + 40%)
c.
7,560 c.y. (stockpiled)
The low yield for producing 3/4" to No. 4 size coarse
agerepate shall dictate the quantity of material required
for processing. Estimated quantity of material from borrow is:
7560 cy/23%
USE
4,
=
=
32,870 cy
32,900 c.y.
The approximate surface area dimensions for the aggregate borrow
area using an average depth of 8 feet and width of 250 feet is:
Length =
USE
(32,900
c.y.)(27
c.f/c.y.)
(250 ft) (8 ft)
=
444
€£t.
250 feet width x 450 feet length
(within limits of proposed quarry site)
F.
sO
REQUIRED AREA FOR CRUSHING, SCREENING AND WASHING OPERATIONS; AGGREGATE
STOCKPILING, WASTE STOCKPILING
1.
a
Assuming the primary and secondary crushers are separate units and
the screening and washing units are a common plant and all units
are located in tandem and connected by conveyors, the area required
for siting and conveyor off loading shall be approximately
110 feet wide x 250 feet long
2.
3.
Stockpiling Coarse Aggregate:
a.
Quantity of 3/4" to No. 4 coarse aggregate stockpile equals
approximately 7,560 c.y.
b.
Recommend providing a nearly rectangular shaped stockpile
100 feet wide x 150 feet long. Weight is approximately 10 feet
clear and level 12 feet beyong the periphery.
Stockpiling Fine (sand) Aggregate:
a.
Quantity of sand aggregate stockpile is approximately 6,600 c.y.