The NAVI-TRAC frame configuration is based on the hip roofed square tent shown below.
Hip bars connect corners to the peak, and rafters connect eave bars to the peak. The square can be extended into a rectangle by adding 10’, 15’ or 20’ bays made up of rafters and the appropriate ridge/eave bars (see below). In the square tent, female eave bars and rafters are connected to eave weldments by rigid slip joints. Hip bars and eave/ridge bars and
rafters in the middle bays use easy to install drop-in fittings.
The NAVI-TRAC frame is made up of extruded aluminum members joined by weldments such as corner weldments, ridge
weldments, eave weldments, etc. The aluminum frame members themselves are extruded with channels into which the
NAVI-TRAC fabric “kedar” is fed.
The first bay added to the square tent shape is a “starter” bay. This starter bay allows a slip fit connection to the square
tent eaves on one end of the weldment and a drop-in connection for the new starter bay eaves on the other end of the
weldment.
Subsequent bays added to the unit are “extension” bays. Extension bays allow drop-in connections on both ends of the
eave weldments.
The chart on page 5 lists components needed for the 30’
x 30’ square tent, the first (starter) extension, and for each
additional extension to be added to the unit. Note: starter
mids or bays and extension mids are available in options
of 10’, 15’ or 20’ increments of length, as shown.
SQUARE TENT
FRAME
INSPECT SITE
CAUTION:
Consult your local utility locator service or the National
Utility Locating Contractors Association (NULCA) prior to
installation.
Prior to actual tent assembly, be sure to look up, down,
above & below for obstacles, pipes, wires, trouble, etc.
30’ Navi-Trac Frame Terminology
3
30’ NAVI-TRAC COMPONENT ILLUSTRATIONS
INSTALLATION TOOLS
4
30’ NAVI-TRAC COMPONENT LIST
OTHER COMPONENT NOTES:
1. FOR X-CABLES FOR UNITS 100’ OR LONGER, SEE PAGE 17 FOR LABELING, QUANTITIES, AND INSTALLATION.
2. STAKES AND GUYS ARE NOT INCLUDED IN THIS TABLE. SEE STAKING GUIDELINES ON PAGE 12.
HARDWARE LOCATION CHART
5
NAVI-TRAC Installation Safety Guidelines
Your installation techniques will evolve to fit the needs of your clients, the experience level of your crews, the nature of
other tentage on-site, and the equipment that you have most readily available. We encourage you to begin with a crew of
(4) workers and only reduce this number as your experience level allows you to do so
safely. Whatever techniques you adapt for your crews, we encourage you to keep safety utmost in mind.
Please read through this assembly manual completely before beginning your installation. Be sure the proper equipment,
crew and safety precautions are in place. We hope that you enjoy the design features of the NAVI-TRAC each time the
unit is installed.
1. It is recommended that workers wear safety shoes and hard-hats on site.
2. When moving beam sections by hand, use proper lifting techniques to protect the back, and avoid pinching fingers while making hardware connections.
3. Never permit bystanders or uninvolved to stand or walk even briefly in the falling path of a beam as it is being
raised or lowered.
4. Be aware to avoid contact of beams with any overhead power lines near the site.
5. When anchoring the structure, avoid all underground power lines and gas lines or other utility easements. Local authorities should be able to map the location of these obstacles.
6. Keep site clear of debris to avoid tripping, especially while carrying components or bundles of fabric.
7. Do not drag bundles of fabric on concrete, asphalt, or ground as this can cause damage to the fabric from abrasion through the bag.
8. When lifting the NAVI-TRAC frame, be sure to use the heavy duty NAVI-TRAC frame lift. The standard Anchor frame lift was not designed for the weight of the NAVI-TRAC frame. When lifting each side of an end section, (2) NAVI-TRAC frame lifts should be used.
9. Before pivoting beams to vertical, clear the area
10. Before pivoting middle beam, install the cross-cable for safety bracing. The cross-cable should be removed only after knee braces have been installed to support each middle beam.
11. NOTE: Hinged baseplates should be used only on middle beams supplied as “extensions” and not as a component of an end module. End module plates should all be fixed, and end module eave
connections should be rigid, slip joints. Use of hinged baseplates in the end module could cause the end module to collapse during installation.
12. When using ladders to make peak connections, be sure the ladder is tall enough that workers can reach the peak from a ladder step consistent with the safety recommendations for the ladder being
used.
13. For any NAVI-TRAC of 100 ft or more in length, the uprights and rafters of one middle bay must be cross-cabled on both sides in an “X” fashion for each 100 ft. of length (see illustration on page 18.)
of items that could cause tripping or slipping.
14. For proper loading and anchoring information, consult the appropriate NAVI-TRAC blueprint available from Anchor Industries Inc.
15. Before installing fabric, verify that all hip pins are properly seated into weldment fittings and
secured by lanyard pins.
16. The installation method described herein requires coordination of tasks between workers. A
safe installation is dependent on alertness and coordination.
6
SQUARING THE TENT
FOOTPRINT LAYOUT
LOCATING
THE FOUR
PRIMARY
CORNERS
B
WIDTH OF TENT
LENGTH OF TENT
C
DIAGONAL
A
DIRECTIONS FOR SQUARING THE TENT
1. USE A TAPE MEASURE TO MARK THE ENDS OF A LINE FOR ONE END (A TO B
ABOVE) EQUAL TO THE EXACT WIDTH OF THE UNIT.
2. HOLD THE “0” END OF ONE TAPE AT POINT “A” AND THE “0” END OF ANOTHER
TAPE AT POINT “B”.
3. EXTEND THE FIRST TAPE ALONG ONE SIDE OF THE UNIT TO A MEASUREMENT EQUAL TO THE EXACT LENGTH OF THE TENT.
4. CONSULT THE CHART BELOW TO FIND THE DIAGONAL FOR THE TENT YOU
ARE BUILDING.
5. EXTEND THE SECOND TAPE TO A MEASUREMENT EXACTLY EQUAL TO THIS
DIAGONAL.
6. BRING THE TWO TAPES TOGETHER SO THAT THE LENGTH MEASUREMENT
OF ONE LIES DIRECTLY ON THE DIAGONAL MEASUREMENT OF THE OTHER.
PULL THE TAPES TIGHT AND MARK THEIR INTERSECTION. THIS WILL LOCATE A
FAR CORNER (POINT “D” ABOVE).
7. SWITCH TAPES SO THAT TAPE 1 (ABOVE) MEASURES THE DIAGONAL AND
TAPE 2 (ABOVE) MEASURES THE LENGTH. THIS WILL LOCATE POINT “C”
ABOVE.
8. WITH THE FOUR PRIMARY CORNERS LOCATED, LAY OUT BASEPLATES AND
UPRIGHTS ACCORDING TO THE DIAGRAM TO THE RIGHT AND BEGIN ASSEMBLY,
DOUBLE-CHECKING FROM TIME TO TIME TO MAKE SURE THE SQUARE FOOTPRINT IS BEING MAINTAINED.
D
SIDE
INTERMEDIATE
UPRIGHT
DIAGONAL
BASEPLATE
C/L
END
INTERMEDIATE
UPRIGHT
C/L
OUTER DIMENSIONS ARE
OUTSIDE-TO-OUTSIDE
INTERMEDIATE DIMENSIONS
ARE CENTER-TO-CENTER
DIAGONALS FOR SQUARING FOOTPRINT
LENGTH OF TENT
DIAGONAL SHOWN IN FEET-INCHES (TO NEAREST INCH)
WIDTH OF TENT
7
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