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MEMORANDUM

G. Ulmer, . February 28, 1985
Works & Utilities Supt.

Js Huber,
Shop Foreman

Flail Mower

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The BOMFORD from Rollins meets the specifications, axcepr the boom is 7" longer

in reach, which is tn our favor.

TURNER, from Mainland Ford, does not meet the specifications on two items:
1. Full hydraulic operation does not have hydraulic breakaway,

The TURNER Is similar In construction to our existing La-Hara and a TURNER
mower we had a number of years ago. Goth have been high maintenance, with
a lot of problems related to breakaway (both ware mechanical), To reset
the mechanical type, the Operator had to dismount from the tractor and
reset manually (tractor must be moved to level area to reset),

BOMFORD with hydraulic breakaway can be reset from operating position using
hydraulic controls. This is much safer as the Operator does not have to
gat near the suspended boom to pull it Into position and reset {+,

Head comes with standard duty double knives,

We requested single heavy duty knives to eliminate as much knife
replacement as possible. Double Knives, such as those on our existing La-«
Hara and those bid on the TURNER have cost WS $900 to $1500 per year. 304
are replaced due to breakage and 70% due to wear, which | attribute to
thalm light design,

The cost of singles (BOMFORD) are $7.28 each with 32 used an a 44"head,
Total replacement cast «= $232.96 plus tax,

The cost of doubles (TURNER) are $6.26 each with 40 used on a 48" head,
Total raplacement cast -- $250.40 plus tax,

Heavy Duty BOMFORD Single knife Is guaranteed against breakage, TURNER
doubles are not,

The wear rate of BOMFORD sing'@ appears to be 40 to 50% less, from
information | could find,

Based on the above figures, the cost of replacement knives should be 8O¥
less for the BOMFORD as compared to the TURNER,

An additional savings of replacement labour and machine down=tIme relating
to Knives should also show Up.

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