COOK Laboratory Exhaust User Manual

Rigging and Installation Instructions for Single Piece

and Multiple Piece Energy Recovery Plenums

Due to the custom design and build nature of Loren Cook equipment these

instructions are given as general information and are not model specific.

This discussion is broken down into five separate sections of consideration for setting a
single or multiple piece Energy Recovery Plenum. These five areas are as follows:

Section 1.0: Pre-Lift considerations

Section 2.0: Receiving of the equipment
Section 3.0: Rigging of the equipment
Section 4.0: Assembly of the sections
Section 5.0: Finish work for the Installation

Section 6.0: Installation of Extended Exhaust Porch

Section 7.0: Recommended Tools

1.0 Pre-Lift Considerations

Curbs may be structural steel, formed concrete or formed metal. A Loren Cook supplied formed
metal curb will be shipped, unassembled, to the job-site prior to the shipping of the unit.
Scheduling of the curb will be the responsibility of the contractor. Each part of the curb is
identified with the proper tags and / or markings. Complete assembly instructions are shipped
with and attached to each curb package. Where more than one curb is shipped to one location,
there will be assembly instructions with and attached to each curb package. It is important the
curb be installed level and square and that it is checked for proper length and width. Each curb
is marked with matching serial numbers for each unit. The structural steel, concrete pad or
formed curb to be used should be level and of an even plane. Uneven surfaces at the point of
mating sections will cause considerable alignment problems. It would be beneficial to shoot the
grade with a transit prior to the lift. This will determine the high or low points of the installation
and thus the points to be shimmed as well as the amount of shimming material needed.

The curb installation shows a curb gasket that is mounted between the curb and the unit. When
Loren Cook supplies this gasket, it is not shipped with the curb, but shipped with the completed
unit and is so noted on the unit packing list. It is necessary to check the unit packing list for
location of the section of the unit in which the curb gasket is located. It is necessary to install
the curb gasket before setting the unit on the curb. This is necessary for an air seal between
the unit and the curb and also serves as dampening. However, this should not be used as a
vibration isolator where the prevention of noise and vibration transmission into the building is
critical.

Note: See section under receiving instructions when receiving curbs, inspecting for freight
damage and filing of freight damage claims. Any freight damage is the responsibility of the
receiving contractor and/ or his authorized receiving agent and the delivering carrier.

2.0: Receiving of the Equipment

Most equipment delivered is shipped FOB Factory. Once the equipment is loaded on the trailer,
it ownership and responsibility transfers to the purchaser. The equipment is considered

delivered when the bill of lading is signed. Receiving the equipment and all of the “Shipped
Loose” components is the responsibility of the party signing the bill of lading presented by the

trucker. Prior to signing for the equipment, make an inspection of its physical condition and also

take an inventory of the listed “shipped loose” items. Should there be damaged or missing

items, note them on the bill of lading in the presence of the delivering agent of the carrier and
contact the factory immediately. If the decision is made by the contractor or representative
agent to accept the equipment it becomes the responsibility of the accepting party to file the
freight claim with the carrier in accordance with ICC regulations. It will also be the responsibility
of the contractor to ensure the equipment is repaired to the satisfaction of Loren Cook in order
to validate the warranty on the equipment. Proper handling of the equipment is mandatory
during unloading and setting it into position.

Note: If equipment is not set in its permanent position and is stored on the ground or other

unleveled area, proper provisions must be taken for supporting and protecting the
equipment. See section for both short term and long term storage.

Shipped Loose Parts:

1. Check the packing list for the list of shipped loose parts.

2. Packing list will note how many and what type of parts.

3. Packing list will note in what section of the unit and where each “shipped loose part”
is located.

4. All air filters are shipped as loose parts. Small rain hoods will be inside the units.
Large rain hoods will be outside the unit and so noted on packing list.

Storage

2.1.1 Short-Term Storage

Short-term storage is considered six (6) months or less from date shipment. Storage
maintenance during this time period is usually, but not necessarily, limited to the following:

A. Make sure the equipment is received and unloaded and set in position per guidelines listed

under “Rigging”.

B. Make sure all access doors are tightly closed and that all access openings into the unit are

sealed, such as air supply and air return openings, pipe chase openings, fresh air openings,
exhaust air openings, electrical connections openings and other access openings of the
unit’s cabinet that may permit entry of snow, ice, rain water, dust, dirt, mud and other

construction debris, or birds and rodents that may enter the interior of the unit.
C. The unit must also be protected when setting on the ground level to prevent damage to the
exterior of the cabinet by construction vehicles and or personnel.

2.1.2 Long-Term Storage

Long-term storage is considered to be any period longer than six (6) months from date of
shipment. If long-term storage is anticipated, contact the Loren Cook sales office at time of
order entry for the proper instruction for long-term storage. It is mandatory that a detailed record
be maintained during this long-term storage period, such as, but not limited to, proper sealing of
the cabinet, rotation of the blowers and bearings and protection of all motors from moisture.

Note: Under certain conditions, it may be necessary to remove the motors from the unit and/or
add heat to the motor. This record must be available to Loren Cook should a failure occur
during the warranty period. There is a time limit of one year from date of shipment that any unit
may be kept in long-term storage. At the end of the one year period, the unit must be in
operation.

Note: Failure to perform the long-term storage requirements and properly log these required

procedures will void the warranty.

3.0 Rigging the Equipment

Decide which section of the equipment that would be most advantageous to set first. You may
need to consult the rigger in this decision. Items to be considered would be the reach of the
pick, configuration of the building and obstructions on the roof. It is important that an
experienced and reliable rigger be selected to handle unloading and final placement of the
equipment. Weight of the unit or of its individual sections is the key consideration. This will
determine the size of the crane needed to execute the lift. The rigger should have spreader
bars capable of spanning both the width and length of the equipment. The rigging should
employ some method that allows self-leveling of the load. All of the cables tied to the
equipment should be reasonable confirmed to have the same stress as the section being lifted.
An imbalance or unleveled lift will damage piping and components installed in the equipment
and will not allow proper alignment of the sections as they are lowered into position.

Adjustable pulley for
every two lifting eyes.

Adjustable clamp
for adjusting width
of spreader.

Figure 1 is an example of a rigging and spreader bar unit. This is only an example. Loren
Cook takes no responsibility for the design of the rigging and spreading apparatus. It is critical
that the proper spreader bars and hosting straps be used when rigging the unit. Your rigger
must be advised that the unit contains delicate components and that it is to be handled in an
upright position. Care must be exercised to avoid twisting the structure. The unit must be
rigged to assure a level lift. This will insure each piece will fit together with the least amount of
effort.

Figure 1

3.1 Rigging a Single Piece Unit

CLEVIS

HOISTING STRAPS
OF EQUAL LENGTH

SPREADER BAR MUST BE
LONG ENOUGH TO HOLD
HOISTING STRAPS AWAY FROM
UNIT TO PREVENT DAMAGE
TO CABINET.

CURB
GASKET

OPTIONAL FACTORY
SUPPLIED CURB

LIFTING LUGS

WHEN MORE THAN TWO LIFTING LUGS ARE SUPPLIED
ON EACH SIDE OF UNIT, AN ADJUSTABLE TURN­BUCKLE MUST BE USED ON EACH SIDE TO EVEN
THE HOISTING LOAD ON EACH HOISTING STRAP. THIS

IS MANDATORY TO PREVENT DAMAGE TO THE UNIT.

NOTE: ALL LIFTING LUGS SUPPLIED MUST BE USED

FOR EACH LIFT!

Note: Use all of the lifting points provided on the equipment.

Loren Cook will not be responsible for damages incurred from not using all of the lifting points.
If the equipment is to set on a curb, install the curb gasket to the curb only. Do not apply curb

gasket to the unit’s base frame. The curb gasket is ½’ x 1 ¾” and is supplied with the unit.

Remove all of the sheet metal covers marked “Remove—For Shipping Purpose only” that may

interfere with the installation. When the unit is lifted, check the bottom for truck supports.
These supports will be 2” x 2” tubing screwed to the bottom of the unit to provide support to
units whose width exceeds that of the trailer that it was shipped on. Remove these as the unit is
lifted as they may interfere with the installation.