permit closing the door when a vehicle is in a raised position. A staggering
arrangement of heavy- and light-duty lifts should be used when installed in a
double repair bay (end-to-end) in order to allow sufficient clearance for each
lift within the 60-foot double repair bay limitation.
Tire service and repair bay shall be equipped with one
heavy-duty twin post lift, if applicable for use in the facility.
Wash and steam cleaning bay shall be equipped with a single
post front-end lift with a front-end lifting saddle.
Hydraulic lifts are not required in general repair bays
designated for brake and headlight inspection, service and repair bays
designated for construction/weight-handling and railroad equipment,
dynamometer test bay, engine and accessories overhaul bay, battery service and
repair bay, paint and lettering bay, and body repair and welding bay.
Compressed Air, The compressed air system shall be in accordance with
requirements in NAVFAC DM-3.5, Compressed Air and Vacuum Systems. The
compressed air systems shall be adequate in size and volume to provide air for
work bays, lubrication systems, air-oil operated hydraulic lifts, and service
station facilities. One overhead air outlet mounted on an automatic retracting
reel shall be provided for every two single general repair bays. Air outlets
shall also be provided for tire service and repair bay, engine and accessories
overhaul bay, battery service and repair bay, paint and lettering bay, body
repair and welding bay, and steam cleaning and wash bay. Consideration shall
be given to providing separate air compressor units complete with storage,
controls, and accessories in several locations throughout the facility as
compared to a single compressed air supply. An analysis should be made to
determine the most desirable system in terms of energy conservation that will
still ensure an adequate and reliable supply of compressed air.
Plumbing and Drainage. Plumbing and drainage systems shall be in
accordance with NAVFAC DM-3.1 and the following requirements:
A combination drain and grease trap shall be provided for the
steam cleaning and wash bays. The grease traps for these areas must be of
adequate size with removable grates to accommodate the excessive waste load.
In addition, drainage shall be provided for the lift saddle sump of the single
post hydraulic lift located in the enclosed steam cleaning and wash bay.
The battery service and
repair bay shall be equipped with an
emergency shower and eyewash with floor
drain and the necessary specially
designed battery wash trays or sinks as
required in accordance with NAVFAC
DM-3.1 and this manual, Section 5, Part
All interior and exterior floor drains shall drain to an
Potable cold water shall be supplied to a heavy-duty hose
reel with control valve in each group of automotive general repair bays and in
the construction/weight-handling equipment general repair bays.