w w w . B a l t i m o r e A i r c o i l . c o m . a u
120 Wisemans Ferry Road, Somersby NSW 2250 › Telephone (Australia): 1300.134.622 › Telephone (New Zealand): 0800.225.842
RIGGING & ASSEMBLY INSTRUCTIONS
PCT Cooling Tower
PCT
Page 1: ...w B a l t i m o r e A i r c o i l c o m a u 120 Wisemans Ferry Road Somersby NSW 2250 Telephone Australia 1300 134 622 Telephone New Zealand 0800 225 842 RIGGING ASSEMBLY INSTRUCTIONS PCT Cooling Tower PCT ...
Page 2: ...and If outstanding circumstances require a departure from the procedures outlined in this manual contact your local BAC Representative for guidance Be sure to have a copy of the submittal drawings available for reference If you do not have a copy of these drawings or if you need additional information about this unit contact your local BAC Representative whose name and telephone number are on the ...
Page 3: ...it Operation 2 Unit Rigging Assembly 4 Rigging 5 Section Assembly 6 Field Sealing of Basin to Casing Post Joint 7 Multi Cell Unit Installation 9 Roof Deck Section Lifting 3 Optional Accessory Loose Item Installation 10 Air Inlet Louvres 10 Float Valve 11 Fitting Tie Braces 12 Fitting of Wind Walls 13 Piping 13 Fan Speed 13 Bleed Line Installation 14 Basinless Unit Installation 15 Platform Installa...
Page 4: ...quired items have been received and are free of any shipping damage prior to signing the bill of lading The following parts should be inspected WARNING Failure to use designated lifting points can result in a dropped load causing severe injury death and or property damage Lifts must be performed by qualified riggers following BAC published Rigging Instructions and generally accepted lifting practi...
Page 5: ... be supplied by others Cold Weather Operation These products must be protected by mechanical and operational methods against damage and or reduced effectiveness during sub freezing temperatures Please contact your local BAC Representative for recommended cold weather operation strategies Location All evaporative cooling equipment must be located to ensure an adequate supply of fresh air to the fan...
Page 6: ...for rigging each section of any PCT unit With the information from the table and the additional instructions on the following pages the rigging of a PCT Cooling Tower can be quickly accomplished WARNING Unless units ship fully assembled basin casing roof deck sections must be rigged separately Never assemble the unit before lifting as the lifting devices provided on the unit are not designed to su...
Page 7: ...ks must line up 4 Fasten the hardware between the upper casing and lower section per Figure 3a and 3b 5 Seal the joint between the upper section and lower section as described on page 6 Figure 1 Lifting basin section H1 Figure 2 Lifting casing roofdeck section H2 L Unit Rigging Assembly Rigging Section Assembly Figure 3a Joining Casing to Basin section Figure 3b Joining Casing to Basin section See...
Page 8: ...g area 3 Apply enough sealer on all faces of the square posts to give 2mm thick coverage 30mm either side of the joint Use a scraper to spread this evenly over the surface The sealer has a working time of 30 minutes before skinning over 4 Wrap fiberglass cloth over the joint and press into the sealer Cloth provided should wrap around the post approximately three times 5 Apply and spread extra seal...
Page 9: ...field sealing of the basin where the two cells are joined The following procedure should be followed to join basin sections Figure 5 Installing Multi section basin 1st basin section installed on supports 2nd or subsequent basin section being lowered into position prior to joining to basin section s already on supports Unit Rigging Assembly Field Sealing of Basin to Casing Post Joint Multi Cell Uni...
Page 10: ...to the joint see Fig 6 Note that the key area for sealing and gluing is regarded as the 50mm part of the joint closest to the water 3 Wipe with acetone to remove dust 4 Apply 5mm diameter beads of sealant around the perimeter of the abraded prepared areas Fill in the area with a 5mm bead in striped or a serpentine pattern Sealer is to be applied to both faces in this manner 5 Pull the basin sectio...
Page 11: ...g ear per roof deck flange joint will be fitted In the field for belt drives the lifting will take place with one sling around the motor and three slings to the lifting ears For this reason the lifting ears are only fitted to the three flanges not covered by the motor and mechanical equipment support These lifting ears are for use when lifting the roof deck section only They should not be used for...
Page 12: ...inlet louvres are a lift and drop in design They are to be installed with flutes facing downwards into basin A shorter louvre is provided to fit over the quick fill makeup FLOAT VALVE If the unit has shipped without the float arm ball assembly attached this should be installed as per Figure 8 before louvres are installed Figure 8 Attaching float arm ...
Page 13: ...ir top end only picking up pre drilled holes in the post Do not drill the bottom tie brace holes in the posts yet The tie braces have a bend to give stiffness The bent edges should be oriented so that they will deflect water into the basin 3 Place the casing on top of the basin legs with the majority of the weight being carried by the crane DO NOT REMOVE THE CRANE UNTIL ALL TIE BRACES ARE TIGHTENE...
Page 14: ... is in the correct place this folded end is sealing against the outside face of the corner post The flashing pieces overlap by approximately 30mm They are not designed to be bolted together 4 To fix the flashing in position screw the Z section brackets to the flashing pieces so as to pull the flashing against the upper fiberglass panel Sealer is applied to the fastener as it is fitted to prevent w...
Page 15: ... fan speed control device steps must be taken to avoid operating at or near the fan s critical speed which could result in fan failure and possible injury or damage BLEED LINE INSTALLATION On all PCT units install a bleed line with valve between the system circulating pump discharge riser and a convenient drain Locate the bleed line in a portion of the riser piping that drains when the pump is off...
Page 16: ...the unit is essentially now only a casing roof deck section the unit is rigged as per Figure 2 Arrangement B With this arrangement the unit is supplied the same as above but also includes louvres and a louvre support frame consisting of legs channels and tie braces This support frame is shipped unassembled to minimise transport costs and must first be assembled in place See Figure 11 below demonst...
Page 17: ...tform separate from the unit In this case the platform must first be lifted up and fixed to the platform support beam See figure 12b below demonstrating this Once the platform is fitted to the support beam the ladder stiles and landing can be fitted as above Knock Down Platforms Platforms may be shipped as a knock down kit for assembly on site if required If this is the case the platform must firs...
Page 18: ... TOWERS ICE THERMAL STORAGE EVAPORATIVE CONDENSERS HYBRID PRODUCTS PARTS SERVICES w w w B a l t i m o r e A i r c o i l c o m a u 120 Wisemans Ferry Road Somersby NSW 2250 Telephone Australia 1300 134 622 Telephone New Zealand 0800 225 842 ...
