Specifications include, but are not limited to:
one (1) portable drum screen machine. The equipment will be used by the City of
Columbus Division of Sewers and Drains for processing sewage sludge into a compost
The City intends to purchase new, unused and the most
current model. The specifications describe a minimum acceptable requirement
which a bidder has to meet. However, the bidder is allowed to exceed a minimum
requirement where the excess enhances the function of the unit and which the
City can accept. It is not acceptable for a bidder to exceed a maximum desired
Engine and Engine Controls:
184.108.40.206 Machine shall be powered by a water cooled, diesel engine producing at
least 110 hp.
220.127.116.11 The engine shall swing out on a carriage or otherwise be made available
for access to both sides, to pumps, hoses, and other engine components.
18.104.22.168 Engine shall be accessible from ground level for safety and ease of
22.214.171.124 There shall be at least two (2) emergency shut downs provided and
visibly identified with red or yellow labeling.
126.96.36.199 Controls for automatic shutdown of the engine shall be provided for low
oil pressure, high temperature, and low coolant level.
188.8.131.52 Engine shall have throttle control range for engine protection from too low
or too high rpm.
184.108.40.206 Engine shall include oil filter, air filter, and fuel filter and reverse cooling
fan to clear debris from radiator.
220.127.116.11 Engine compartment shall have lighting to illuminate compartment.
18.104.22.168 Engine shall be fitted with a block heater or other method to promote
starting during cold weather operation.
3.3.2 Fuel Tank:
22.214.171.124 Fuel tank shall be appropriately sized to provide for at least 16 hours of
continuous operation under full load with 900 lb/cu. yd material.
126.96.36.199 Fuel tank shall be mounted with fill tube no higher than seven (7) feet
above ground level.
3.3.3 Cooling System:
188.8.131.52 Shall be equipped with a reversing cooling fan for radiator and hydraulic
cooling system for self-cleaning.
184.108.40.206 Engine and hydraulic radiators may be integrated into a single radiator or
220.127.116.11 Radiators shall not be stacked front to back with dead air space between
the two radiators which would cause fins to plug.
18.104.22.168 Cooling system shall have method for checking coolant level with the use
of a visual sight glass or recovery tank.