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Nihon Bisoh BISOMAC210, Operator'S Manual

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Nihon Bisoh BISOMAC210 Operator'S Manual Download Page 48

 

Nihon Bisoh Co.,Ltd. BISOMAC210 3Phase MM2014/11

 

KH-2014008 Rev.4

44

8. PERIODIC MAINTENANCE 

Periodic maintenance must be performed by authorized personnel if the hoist corresponds to 

any of following conditions. 

 

1. 1 year from purchase 

 

2. 1 year from last periodic maintenance 

 

3. 100 hours from last periodic maintenance 

 

4. The hoist is used in a dirty environment 

NOTE: Above periods are at the latest, under proper use according to this manual. Since 

actual use conditions are uncertain, appropriate maintenance cycle shall be determined 

depending on the actual conditions and referring to above periods. 

*Procedure of Periodic Maintenance, refer to Maintenance Procedure Manual of each 

device. (Separately issued) 

 

WARNING 

1. Repairs of component parts of the hoist shall be performed only by authorized 

personnel. 

Otherwise, the hoist may malfunction or unable to operate normally. This may cause the 
platform to fall or tilt and consequently operators or objects might fall, resulting in serious 
injury or death to operators or passers-by. 

2. Use only parts authorized by manufacturer for replacement. 

Otherwise, the hoist may malfunction or unable to operate normally. This may cause the 
platform to fall or tilt and consequently operators or objects might fall, resulting in serious 
injury or death to operators or passers-by. 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for BISOMAC210

Page 1: ...NIHON BISOH CO LTD BISOMAC210 Specifications for North America 3P model Electric Traction Hoist Operator s Manual with Overload Detection Device ...

Page 2: ...ith the hoist at all time Use only spare parts and steel wire rope recommended by NIHON BISOH Use only machinery or incorporated component which MUST COMPLY with UL1323 CAN CSA Z271 10 and national regional or local implementing Installation dismantling and use of suspended scaffold shall be in accordance with Code of Safe Practices COSP for Adjustable Suspended Scaffold which implemented by Scaff...

Page 3: ...ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ16 3 2 BISOLOCK ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ19 3 3 BISOLOAD ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ20 4 WORK ENVIRIONMENTꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ21 5 SET UP INSTRUCTIONSꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ...

Page 4: ...ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ39 7 3 Tests and inspections Hoist ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ40 7 3 1 Lifting the platform and emergency stop function ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ41 7 3 2 Controlled descent function ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ42 7 3 3 BISOLOCK ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ...

Page 5: ...applications Picture 1 1 POWER SUPLLY TO THE EQUIPMENT MUST BE FITTED WITH a Main switch NOTE Main switch or Junction box shall have key lock b Residual current device or Ground fault circuit interrupter of 30 mA c Over current protection device Automatic circuit breaker type C NOTE To avoid voltage drop due to cable length make sure that the specifications of power cable matches the requirement o...

Page 6: ... by platform s safety devices The operators shall check for obstructions along the travel of platform f Overload Detection Device may not cover platform in all configurations The operators must check that loading of platform does not exceed rated load of each platform g An area on the platform must be available to allow operators to operate the hoist safely h Use only certified safety harness lany...

Page 7: ...AC210 3Phase MM2014 11 KH 2014008 Rev 4 3 Installation of the hoist 1 Installation of the hoist 2 NOT vertically suspended Correct Installation Correct Installation NOT vertically suspended Suspension wire rope Suspension wire ...

Page 8: ...oist 30 seconds or operate descending operation before ascending 5 PROHIBITIONS a Do not use two or more units of the hoist with one wire rope b Do not insert wire rope from the wire rope outlet of the hoist c Do not tie and secure the discharged wire rope from the wire rope outlet d Do not apply 20 kg or more pulling load to the discharged wire rope from the wire rope outlet e Do not use the hois...

Page 9: ...performed at the start of each work shift according to 7 DAILY TEST AND INSPECTION 5 Troubleshooting shall be done if any problem which possibly caused by the hoist according to 9 TROUBLESHOOTING to find the cause of problem and take corrective action 6 The hoist is used to raise support and lower suspended scaffolds work cages and bosun chairs on or in building s and structures If used for any ot...

Page 10: ...t avoided could result in death or serious injury CAUTION Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury and in damage to property NOTE NOTE Indicates a potentially hazardous situation which if not avoided may result in damage to the hoist or the hoist may not operate properly Safety instructions attached to the hoist and safety devices BISO...

Page 11: ...of Lever Stopper Lever Stopper 3 Max Lift Instruction of shackle s limit load Casing A 4 Specification and Operation Instruction of Specification and operation QR code to access Operator s manual on website Control Box Cover BISOMAC Back side Description Meaning and Location 5 Restriction Use Instruction to the operator Control Box Cover 4 2 3 5 ...

Page 12: ...tion Label of UL CUL certification Control Box 7 Emergency Stop Button Instruction of Emergency stop Control Box Cover 8 Operator s Manual Instruction of Operator s Manual Operator s Manual Storage 9 Lamp Instruction of BISOLOAD OL and Different Phase Detection RP Control Box 10 Power Voltage Instruction of Voltage Fan Cover 8 7 9 6 10 ...

Page 13: ...MAC Right side Description Meaning and Location 11 Gear 210 Specifications of Gear Box Gear Box 12 Plug mark Instruction of connecting plug of safety device Control Box 13 Plug connection Instruction of connecting plug of remote control pendant switch Control Box 12 11 13 ...

Page 14: ...nstruction of inability of lifting Side Plate 1 2 Governor Inspection Window Instruction of Governor Governor Cover 3 Overspeed Indicator Reset Instruction of activation lamp Instruction of Release Lever Governor Cover 4 Instruction of Overspeed Detection Device Instruction of activation of the device Instruction of spec and operation of the device Side Plate 3 1 2 4 ...

Page 15: ...se MM2014 11 KH 2014008 Rev 4 11 BISOLOCK Left and Upper side Description Meaning and Location 5 Wire Rope Diameter Instruction of wire rope Side Cover 1 6 Instruction of Manual Trip Button Instruction of Trip Button Governor Cover 6 5 ...

Page 16: ... side Description Meaning and Location 2 Rated Load Instruction of rated load Guard 3 Wire Rope Exit Instruction of wire rope outlet Rope Cover BISOLOAD Front side Description Meaning and Location 1 Instruction of Overload Detection Device Instruction of BISOLOAD Limit Switch Cover LA 1 2 3 ...

Page 17: ...Ime 440 lbs 200 kg Noise Level 64 dB Measured by noise meter setting at 1m away from the hoist Noise level may vary depending on the voltage or environment IP Rate IP54 Dimension H W D Incl safety device 29 5 in 749 mm x 12 4 in 315 mm x 18 2 in 462 mm BISOMAC Self Weight 108 lbs 49 kg Weight Incl safety device 130 lbs 59 kg BISOLOCK 11 lbs 5 kg Mounting Bracket 2 lbs 1 kg BISOLOAD 9 lbs 4 kg Cont...

Page 18: ...1250 lbs 567 kg 4 1500 lbs 680 kg Dimension H x W x D 10 4 in 264 mm 12 4 in 314 mm 3 7 in 95 mm Self weight 9 lbs 4 kg Activation Load 1 1500 lbs 1000 lbs 150 2 1725 lbs 1150 lbs 150 3 1875 lbs 1250 lbs 150 4 2250 lbs 1500 lbs 150 Control Feature Unable ascending when BISOLOAD is activated Voltage 208 V 2 4 Wire Rope Designated by NIHON BISOH No 1 2 3 4 5 Nominal Diameter 8 4 mm 8 0 mm 8 0 mm 8 2...

Page 19: ... Size 3P 4 cores 10AWG minimum Rated Voltage 600V Length 500 ft 152 m or shorter per a platform No 1 2 3 Nominal Diameter 9 5 mm 9 0 mm 9 2 mm Construction 5 19 4 36WS 5 26 Min Breaking Load 64 0 kN 6530 kg 67 15 kN 6850 kg 66 8 kN 6816 kg Finish Galvanized Galvanized Galvanized Applicable Model BISOMAC210 3P1500 NOTE Not complied with CAN CSA Z271 10 Designated wire ropes by NIHON BISOH WARNING 1...

Page 20: ...on Bisoh Co Ltd BISOMAC210 3Phase MM2014 11 KH 2014008 Rev 4 16 3 FUNCTION AND DESCRIPTION OF EACH COMPONENT 3 1 BISOMAC210 TRACTION HOIST BISOLOCK F D N G E M J C L K B Q G V T S U A BISOLOAD Y X BISOMAC ...

Page 21: ...Nihon Bisoh Co Ltd BISOMAC210 3Phase MM2014 11 KH 2014008 Rev 4 17 OP Z R P I H O ...

Page 22: ...r Lock the lever automatically to prevent misoperation and malfunction of Emergency controlled descent lever N Shackle Use it when carrying BISOMAC by hanging NOTE Maximum lifting load is 165 lbs O Guard Plate for Brake Cable Protect Brake cable from damage P Oil Level Gauge Plug Open it to check the oil level Q Hour Meter Displays accumulated operating hours R AC Power Plug Connect it to power so...

Page 23: ...ssers by 2 If the platform continue descending even you released DOWN button or pressed Emergency Stop Switch press Trip Button to activate BISOLOCK Platform operators or objects might fall It may result in serious injury or death to operators or passers by DESCRIPTION FUNCTION A BISOLOCK Mounting Bracket Mounting bracket for fixing BISOLOCK to the hoist B Bolt for BISOLOCK BISOLOCK Mounting Brack...

Page 24: ...does not ascend even UP button is pressed or pumps while ascending unload from the platform Otherwise the rigging may fall or tilt due to overloading and consequently operators or objects might fall resulting in serious injury or death to operators or passers by DESCRIPTION FUNCTION A BISOLOAD Mounting Bolt B Bolts for fixing BISOLOAD to the hoist B Stirrup Fixing Bolt Bolts for fixing BISOMAC to ...

Page 25: ...or death to operators or passers by 2 Never operate the hoist in an explosive atmosphere The hoist is not designed to be used in such environment If the hoist is used in an explosive atmosphere explosion or fire may occur This might result in serious accidents NOTE An explosive atmosphere is defined as a mixture of dangerous substances with air under atmospheric conditions in the form of gases vap...

Page 26: ... injury or death to operators or passers by 4 Attach ground fault circuit interrupter to power source and ensure that it is properly grounded Failure to do so increases the risk of electric shock or electrocution 5 Do not use power cable and control cable which damaged or cracked Doing so could result in electrocution or death 6 When connecting safety devices to BISOMAC make sure that the plug is ...

Page 27: ...y wire rope such as kinked deformed tied etc Faulty wire rope may damage inside the hoist or wire rope may be broken This may cause the platform to fall or tilt and consequently operators or objects might fall resulting in serious injury or death to operators or passers by 5 When fixing wire rope to a building be sure that the wire rope does not contact any sharp edge Otherwise wire rope may be br...

Page 28: ...hoist may be damaged and cannot be operated Also this may cause person to be injured or damage to property 2 Do not pull or step cables Cables or connectors may be damaged and the hoist cannot be operated Provided by NIHON BISOH BISOLOCK mounting bolt x4 M12 Plain washer x4 M12 Nylon nut x4 Provided by NIHON BISOH BISOLOAD mounting bolt B x2 M12 Plain washer x4 M12 Nylon nut x4 BISOMAC BISOLOAD BI...

Page 29: ...t Release Lever shall be Electromagnetic Brake side See Picture 2 Tighten the bolts with specified torque by using torque wrench Tightening torque 76 N m 770 kgf cm 3 Insert BISOLOAD to BISOMAC from below and fix with 2 pcs of BISOLOAD mounting bolt 4 pcs of M12 Plain washer and 4 pcs of M12 Nylon Nut See Picture 2 Tighten the bolts with specified torque by using torque wrench Tightening torque 76...

Page 30: ...ower supply from central control box Please check the types of connector Cover the socket with appropriate cover shown below WARNING Do not pull or step power cable of BISOMAC and connection cables of safety devices Cables may be damaged and cause electric shock This may result in serious injury or death CAUTION Use only suitable power cable and power source for BISOMAC Using incorrect power may c...

Page 31: ...ck of safety devices are not activated CHECK Indicator lamp of Emergency Stop Switch is unlit Release Lever of BISOLOCK is horizontal The hoist operates normally when UP DOWN button is pressed 4 Ensure that current capacity and size of circuit breaker is adequate Refer to section 2 5 Ensure that connectors are not cracked or damaged Model Rated current BISOMAC210 3P1000 7 5 A BISOMAC210 3P1150 8 5...

Page 32: ...OMAC lightly until the wire rope feeds automatically 3 Make sure that the wire rope comes out from outlet without any obstruction and moves both up and down direction freely 4 Distances between riggings and wire rope inlet of the hoist must be equal as suspension wire ropes are suspended vertically 5 To prevent the platform from running off the suspension wire ropes secure the tail line as Picture...

Page 33: ...nd 2 pcs of Nylon nut M12 See Picture 6 The hoist shall be set as the exited wire ropes are positioned on the outer side of the platform See Picture 6 Tighten the bolts with specified torque by using torque wrench Tightening torque 76 N m 770 kgf cm Picture 6 STEP 5 Perform daily inspection Perform daily inspection according to section 7 Tail line Provided by NIHON BISOH BISOMAC mounting bolt x2 M...

Page 34: ...s in this manual and labels on the hoist Failure to comply with these instruction may cause the platform to fall or tilt and consequently operators or objects might fall resulting in serious injury or death to operators or passers by 2 Do not overload on the platform Suspension rig may fall down resulting in serious injury or death to operators or passers by CAUTION Do not apply excessive load to ...

Page 35: ...atform to fall or tilt and consequently operators or objects might fall resulting in serious injury or death to operators or passers by CAUTION Do not operate BISOMAC longer than 60 minutes during any 2 hours period Otherwise Electromagnetic brake and Motor will become very hot and could result in burn injury WARNING Remote control pendant switch WARNING 1 Cable length of remote control pendant sw...

Page 36: ...cked with lever stopper See Picture 7 The hoist may not stop or the brake may not work properly It may cause the platform to fall or tilt and consequently operators or objects might fall resulting in serious injury or death to operators or passers by 4 Operate Emergency controlled descent lever only by hand The hoist may not stop during operation and It may cause the platform to fall or tilt and c...

Page 37: ...AC Refer to section 5 Weight of each device BISOMAC 108 lbs 49 kg BISOLOCK 11 lbs 5 kg BISOLOCK Mounting Bracket 2 lbs 1 kg BISOLOAD 9 lbs 4 kg 6 2 Operation methods of the hoist 6 2 1 Lifting and Emergency stop Press UP button to UP travel Press DOWN button to DOWN travel If Emergency stop button is pressed power is cut off The hoist shall not run in either direction ...

Page 38: ...lling Emergency controlled descent lever The hoist will travel downward at a controlled rate of speed 4 The hoist stops when Emergency controlled descent lever is released NOTE Do not apply excessive force to Emergency controlled descent lever Pins of Emergency controlled descent lever may be broken and consequently unable to descend in the event of emergency If Emergency controlled descent lever ...

Page 39: ...n Release Lever and deactivate BISOLOCK See Picture 9 3 Confirm that activation indicator lamp is unlit See Picture 9 Picture 9 WARNING If BISOLOCK is activated do not release it until safety is confirmed It may cause the platform to fall or tilt and consequently operators or objects might fall resulting in serious injury or death to operators or passers by Release Lever Activation indicator lamp ...

Page 40: ... is pressed 5 Reset BISOLOCK by pulling down Release Lever Picture 9 6 Confirm that activation indicator lamp does not light up when DOWN button is pressed NOTE If BISOLOCK is not activated and the platform continue falling press Trip Button to manually activate BISOLOCK CAUTION 1 Trip Button must be operated only by hand Trip Button may be broken and cause BISOLOCK unable to be activated normally...

Page 41: ...and inspection at the start of each work shift The equipment may malfunction This may cause the platform to fall or tilt and consequently operators or objects might fall resulting in serious injury or death to operators or passers by 4 Daily tests and inspections must be performed carefully according to this manual Correct operation of the equipment must be ensured Otherwise platform may fall or t...

Page 42: ...10 114 x 0 1 11 4 Picture 11 3 Average diameter of 5 16 inch wire rope becomes 4 Average diameter of 3 8 inch wire rope becomes 5 Heavily rusted and found pitting on surface 6 Wire rope that has been exposed to temperature above 200 WARNING Inspect wire ropes periodically If any abnormalities are found replace with new one Wire rope is worn down by repeated using Damaged or deformed wire rope may ...

Page 43: ...n Picture 13 Value without thickness of the board is the diameter of wire rope Picture 12 Picture 13 NOTE Worn kinked or deformed wire rope and wire rope with broken wires or waviness cannot be repaired must be replaced 7 2 2 Shape and size of the end of wire rope For using with the hoist the end of wire rope shall be shaped as shown in the Photo 2 NOTE If the shape of the end of wire rope is not ...

Page 44: ...that power is not cut off WARNING Do not use the hoist if any defect is found Authorized personnel must replace with the hoist which inspected and passed all test Otherwise malfunction may occur This may cause the platform to fall or tilt and consequently operators or objects might fall resulting in serious injury or death to operators or passers by CAUTION If oil is leaking from BISOMAC stop usin...

Page 45: ...rs or passers by 2 Stop operating immediately if wire rope does not travel through the hoist while the platform is suspended even motor is working Wire rope may be jammed inside the hoist or sheave may be slipping Continued using may result in damage to the equipment or wire rope to cut off This may cause the platform to fall or tilt and consequently operators or objects might fall resulting in se...

Page 46: ...Emergency Stop Switch of the hoist Confirm that the hoist operates normally 7 3 2 Tests and inspections Controlled descent function 1 Lift up the platform approximately 40 inch from the ground 2 Disconnect power cable from central control box to cut off the power 3 Release lever stopper 4 Pull Emergency controlled descent lever gently and lower the platform 5 Check if the platform descends at a sl...

Page 47: ...lamp lights up when DOWN button is pressed 7 Ascend the platform and pull down Release Lever to deactivate BISOLOCK 8 Confirm that UP DOWN operation is operable Also confirm that Governor is rotating while the platform is ascending descending Apply same procedure to another BISOLOCK NOTE If BISOLOCK does not hold wire rope properly contact local distributor to replace WARNING If BISOLOCK does not ...

Page 48: ...l conditions and referring to above periods Procedure of Periodic Maintenance refer to Maintenance Procedure Manual of each device Separately issued WARNING 1 Repairs of component parts of the hoist shall be performed only by authorized personnel Otherwise the hoist may malfunction or unable to operate normally This may cause the platform to fall or tilt and consequently operators or objects might...

Page 49: ...se Solution 1 Power is off 2 Emergency Stop Switch is activated 3 Overcurrent protection is activated due to overloading to the platform 4 Reverse phase detector is activated 1 Connect AC power plug properly 2 Check the indicator lamp and deactivate Emergency Stop Switch 3 Unload from the platform 4 Check the phase and connect correctly Case Ⅱ The hoist runs and able to descend but unable to ascen...

Page 50: ...oken wire deformation etc 1 Replace with designated wire rope 2 4 2 Replace with normal wire rope Case Ⅴ Lifting speed is too slow Possible cause Solution 1 Insufficient voltage 2 Defective wire rope worn out broken wire deformation etc 1 Replace power cable with proper one or supply sufficient voltage 2 1 2 Replace with normal wire rope Case Ⅵ Unusual noises come from the hoist and or the safety ...

Page 51: ...e Section 6 4 Check if the weight of the platform and applied loads are appropriate to the hoist If necessary reduce the load Case Ⅷ The hoist ascends with UP button but cannot descend with DOWN button Possible cause Solution 1 BISOLOCK is disconnected 2 BISOLOCK is activated 1 Connect BISOLOCK properly 2 Reset BISOLOCK How to reset 1 Operate UP travel approx 2 inch 2 Pull down Release Lever 3 Res...

Page 52: ...s of safety instructions 3 Reviewed and added WARNINGs and CAUTIONs 4 Corrected errors 5 Standardized Revision 3 December 17 2018 1 Changed notation 2 Added minimum working load 3 Added explanation on noise level 4 Added cautions Revision 4 November 30 2020 1 Corrected errors 2 Added restriction 3 Added thermal protector BISOLOCK and BISOLOAD to the safety devices 4 Added use environment 5 Revised...

Page 53: ...t edition December 1 2014 Revision 1 November 30 2016 Revision 2 December 17 2018 Revision 3 November 30 2020 Revision 4 Published by Overseas Department NIHON BISOH CO LTD TEL 81 95 882 1925 FAX 81 95 882 7611 URL http www bisoh co jp en NIHON BISOH CO LTD BVE BVE Building Value Engineering BISOMAC are registered trademarks of NIHON BISOH CO LTD All copy rights and patents by NIHON BISOH CO LTD ...

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