ARCS®II SYSTEM - Scandec Systemer
Contents
1. E Preparing the BUMP3 ARCOUPL assembly i It is highly recommended to pre assemble the BUMP3 structure with one of the spare ARCOUPL bars available with the ARCS II system and to store this BUMP3 ARCOUPL assembly as it is It will avoid unnecessary repetitive steps in the rigging process of an ARCS II assembly Remove both shackles from one ARCOUPL bar Align the holes of the ARCOUPL bar with the BUMP3 secure both ends of the BUMP3 ARCOUPL assembly Drive a pierced bolt into the holes at one of the bar end a b Drive the pierced nut D Secure with a cotter pin p Repeat at the other end gt PROCEDURE E Preparing the BUMP3 ARCOUPL assembly T TO CO OO a oo O The bar holes aligned with the BUMP3 The BUMP3 ARCOUPL assembiv readv ARGCSII RM EN 1 1 WWW L AGOUSTICS COM ARCSII_RM_EN_1 1 WWW L AGOUSTICS COM Document reference ARCSII RM EN l I Distribution date September 25 2012 2012 L ACOUSTICS All rights reserved No part of this publication may be reproduced or transmitted in any form or by any means without the express written consent of the publisher WWW L ACOUSTICS COM2. la gt Tae TEAR aa lees Mia ey A 3 ARCSSII horizontal array ready to be flown A shackle 22mm being secured on the LIFTBAR WWW _L ACOUSTICS cCOM ARCSII RM EN 1 1 ARCS II SYSTEM RIGGING MANUAL VERSION 1 1 D Installing the ARCBUMP flying frame i Identify the enclosure to be attached to the ARCBUMP When attaching the ARCBUMP the assembly is horizontal The ARCBUMP is attached to one of the enclosure at the end of the assembly depending both on intended coverage and the enclosures orientation From behind Intended coverage Enclosure for ARCBUMP 40 left 20 right PUPU l Right end Up Down ee eran re Right end Attach the ARCBUMP to the enclosure intended to be at the top of the array by using two ARCOUPL bars a Unlock and remove both shackles from the two coupling bars b Adjust the position of the ARCS II and the ARCBUMP so that the rails are aligned and slide the ARCOUPL bars into the adjacent rails top and bottom Secure the whole ARCS lI assembly by installing the 21 2mm shackles on both ends of all the ARCOUPL bars with a safety sling attached between all the adjacent shackles except for the bottom enclosure If some shackles are already attached to the bars remove them and reinstall them with safety slings Install the two 8mm shackles on the ARCBUMP frame a Secure a shackle to the identified hole on both side of the ARCBUMP frame Rigging hole on which secur
3. the array type and number of enclosures splay angles and the implementation of the flying or stacking structure number and location of flying points site angle This cannot be determined without the complex mechanical modeling and calculation offered by SOUNDVISION Assessing the safety with SOUNDVISION The overall safety factor of a specific mechanical configuration always corresponds to the lowest safety factor among all the linking points Always model the system configuration with the SOUNDVISION software and check the Mechanical Data section to identify the weakest link and its corresponding working load By default a stress warning will appear when the mechanical safety goes below the recommended safety level Safety of ground stacked arrays in SOUNDVISION For ground stacked arrays a distinct stability warning is implemented in SOUNDVISION It indicates a tipping hazard when the array is not secured to the ground stage or platform It is user responsibility to secure the array and to ignore this warning Consideration must be given to unusual conditions SOUNDVISION calculations are based upon usual environmental conditions A higher safety factor is recommended with factors such as extreme high or low temperatures strong wind prolonged exposition to salt water etc Always consult a rigging specialist to adopt safety practices adapted to such a situation gt gt FP P P ARCSII_RM_EN_1 1 WWW L AGOUSTICS COM 3 3
4. the conformity of any configuration in regards with the safety level recommended by L ACOUSTICS model the system in SOUNDVISION and refer to the warnings in Mechanical Data section Be cautious when flying a loudspeaker array Always verify that no one is standing underneath the loudspeaker array when it is being raised As the array is being raised check each individual element to make sure that it is securely fastened to the adjacent element Never leave the array unattended during the installation process As a general rule L ACOUSTICS recommends the use of safety slings at all times Be cautious when ground stacking a loudspeaker array Do not stack the loudspeaker array on unstable ground or surface If the array is stacked on a structure platform or stage always check that the latter can support the total weight of the array As a general rule L ACOUSTICS recommends the use of safety straps at all times Take into account the wind effects on dynamic load When a loudspeaker assembly is deployed in an open air environment wind can produce dynamic stress to the rigging components and suspension points If the wind force exceeds 6 bft Beaufort scale lower down and or secure the loudspeaker array ARCSII_RM_EN_1 1 WWW L AGOUSTICS COM SYMBOLS The following symbols are used in this document DANGER A This symbol indicates a potential risk of harm to an individual or damage to the product It can also notify the
5. user about instructions that must be strictly followed to ensure safe installation or operation of the product OBLIGATION This symbol notifies the user about instructions that must be strictly followed to ensure proper installation or operation of the product i INFORMATION This symbol notifies the user about complementary information or optional instructions WELCOME TO L ACOUSTIC S Thank you for choosing the L ACOUSTICS ARCS II SYSTEM This document contains essential information on rigging the system properly and safely Carefully read this document in order to become familiar with these procedures As part of a continuous evolution of techniques and standards L ACOUSTICS reserves the right to change the specifications of its products and the content of its document without prior notice Please check the L ACOUSTICS web site on a regular basis to download latest updates for documents and software www l acoustics com CONTENTS i RIGGING SYSTEM 4 l l Lovaspeaker Cno S ear e E E i 4 L2 e eee a A E E E E N E ee rr re 4 1 3 soltware appli CA Oi i a E E EE E E i Ai SD 4 TA 4 2 MECHANICAL SAFETV 6 2 1 MEP Cael gielel a geld e p l A 6 2 24 ASSESSING ANCA SY ai E tem catatean can eneaeuas T T EE 6 SYSTEM SET UP 7 3 1 Ground StaCking i a 7 3 2 TIT cero Goce see tava A veceseae eee eweeeeee 7 4 RIGGING PROCEDURES 8 A Assembling an array with ARCOUPL Dars sssisscssasssnsdsnsessancassssceveansrunsnsaviinavenaanteuadeu
6. 1 Ground stacking SYSTEM SET UP Dismantling an array Apply the associated set up procedure in reversed order ARCS Il enclosure orientation within the array Due to the asymmetrical coverage of the ARCS II enclosures their orientation within an array will determine the extended coverage direction Up Vertical array From behind 40 left 20 right 40 right 20 lef Horizontal Horizontal stacked on SB28 B Assemble the array A P Stack an SB28 array Refer to PROCEDURE A B Assemble the array on top of the SB28 array Refer to PROCEDURE A 3 2 Flying Horizontal B Assemble the array under the motor location Refer to the PROCEDURE A Follow up 2 or 4 ARCS II enclosures Follow up 2 5 3 or 6 ARCS II enclosures gt Install one BUMP3 gt Install two BUMP3 Refer to PROCEDURE B Refer to PROCEDURE B gt Install one LIFTBAR Refer to PROCEDURE C gt Check that all the shackles gt Check that all the shackles are tightened securely are tightened securely gt Attach the motor hook to gt Attach the motor hook to the BUMP3 shackle the LIFTBAR shackle P Raise the array gt Raise the array Vertical gt Assemble the array under the motor location Refer to PROCEDURE A gt Install the ARCBUMP Refer to PROCEDURE D gt Check that all the shackles are t
7. ARGS IlI SYSTEM RIGGING MANUAL VERSION 1 1 TAR SS 60009 r WWW L ACOUSTICS COM ARCS II SYSTEM RIGGING MANUAL VERSION 1 1 SAFETY INSTRUCTIONS 2 Read this manual Heed all SAFETY INSTRUCTIONS as well as DANGER and OBLIGATION warnings Never incorporate equipment or accessories not approved by L ACOUSTICS Read all the related PRODUCT INFORMATION documents before exploiting the system The product information document is included in the shipping carton of the related system component Work with qualified personnel for rigging the system Installation should only be carried out by qualified personnel that are familiar with the rigging techniques and safety recommendations outlined in this manual Ensure personnel health and safety During installation and set up personnel must wear protective headgear and footwear at all times Under no circumstances personnel is allowed to climb on a loudspeaker array Respect the Working Load Limit WLL of third party equipment L ACOUSTICS is not responsible for any rigging equipment and accessories provided by third party manufacturers Verify that the Working Load Limit WLL of the suspension points chain hoists and all additional hardware rigging accessories is respected Respect the maximum configurations and the recommended safety level For safety issue respect the maximum configurations outlined in this manual To check
8. TBAR and pick up point and 2 pick up point 2 or 4 ARCS II 3 5 or 6 ARCS II Up to 3 ARCS II Up to 4 ARCS II Mechanical safety of the shackles The D shackles 2mm 018mm and 22mm provided by L ACOUSTICS have a working load limit WLL of respectively 630 kg 1250 kg and 2000 kg with a 6 1 safety factor These ratings are in accordance with BGV CI 2012 recommendations when implementing the maximum configurations authorized by L ACOUSTICS Mechanical safety of the rigging system Authorized configurations indicate the maximum number of enclosures which can be safely arrayed without the need for SOUNDVISION modeling For more enclosures model the system in SOUNDVISION and check the Mechanical Data section for any stress warning or stability warning A A 2 2 Assessing mechanical safety In order to assess the actual safety of any array configuration before implementation refer to the following warnings Rated working load limit WLL is not enough The rated WLL is an indication of the element resistance to tensile stress For complex mechanical systems such as loudspeaker arrays WLLs cannot be used per se to determine the maximum number of enclosures within an array or to assess the safety of a specific array configuration Mechanical modeling with SOUNDVISION The working load applied to each linking point along with the corresponding safety factor will depend on numerous variables linked to the composition of
9. ightened securely gt Attach the motor hook to the ARCBUMP shackle s Raise the array ARCSII_RM_EN_1 1 WWW L ACDUSTICS COM ARCS II SYSTEM RIGGING MANUAL VERSION 1 1 4 RIGGING PROCEDURES A Assembling an array with ARCOUPL bars O Place all ARCS II enclosures a Tip the enclosures to a vertical position side by side by using the handles of the enclosures i Specific to horizontal arrays Place the enclosures so that the line source will provide the intended coverage pattern E Upward coverage Downward coverage b Detach the ARCSPLA dolly boards by removing the O ring safety pins from the ARCS II hitching pins Injury hazard Pay close attention when removing the safety pins so as not to pinch your fingers Attach adjacent enclosures by using ARCOUPL bars a Adjust the position of the ARCS II enclosures so that the rails are aligned b Remove one shackle at one end of each coupling bar c Slide ARCOUPL bars into all adjacent rails from the rear of the array top and bottom d Secure the ARCOUPL bars by re attaching the shackle on the front end of the bars i Specific to flown vertical arrays Anticipate the securing of the vertical array Do not lock the ARCOUPL shackles as it will be necessary to install safety steels between all adjacent shackles i Specific to flown horizontal arrays Anticipate the next procedure Keep one or two free locations f
10. ing the shackle Refer to SOUNDVISION modeling to identify the hole that corresponds to the desired tilt angle Serial n PEP SLRLSLPLP LOLOL PLLC back oo JE me kort I 2 34 5 6 7 8 9 10 II 12 3 14 I5 16 1718 About site angle As many variables can affect the actual site angle it is recommended to use an inclinometer b Compensate for the offset center of gravity when achieving the bridled suspension Single suspension point for to 3 ARCS II When flying to 3 ARCS II single point suspension is authorized In that case attach a 2 18mm shackle to the center bar of the ARCBUMP frame However please note that the offset center of gravity will not be compensated for ARCSII_RM_EN_1 1 WWW L ACDUSTICS GCOM lt SSS DTT o ji la m l ee Kae The ARCOUPL bars are being slid in the rigging rails The array secured with safety steels front and back 4w amp O fl N w c 3 orm v Oa O f DN Oo so v L 8 L L 6 rz Y u oO gt N U a lt q m lt m Z LL gt PROCEDURE D Installing the ARCBUMP WWW L AGOUSTICS COM 1 1 SET A shackle is being removed from an ARCOUPL bar A shackle 18mm being secured on the ARCBUMP A shackle 0 2mm being reinstalled along with a safety sling ARGSII RM EN ARCS II SYSTEM RIGGING MANUAL VERSION 1 1
11. or 4 ARCS II provided with D schackle 218mm 2 pierced bolts 2 nuts and 2 pins LIFTBAR Bar for flying a horizontal array of 3 5 or 6 ARCS II enclosures provided with2 D schackle 218mm and 2 D schackle 22mm to be used with 2 BUMP3 ARCBUMP Frame for flying a vertical array of up to 4 ARCSSII provided with 2 ARCOUPL bars 4 D shackles 12mm 2 D schackle 218mm 6 safety slings 42mm and 6 safety slings 155mm 1 3 Software application SOUNDVISION Proprietary 3D acoustical and mechanical modeling software 1 4 Accessories ARCSPLA Removable front dolly board for moving the enclosure and protecting the enclosure front grill during transportation and storage ARCSCOV Protective cover for transportation and storage Other ARCS II SYSTEM components All the other components of the system are presented in the ARCS II SYSTEM user manual document intended to describe the operating modes and the loudspeaker connection ARCSII_RM_EN_1 1 WWW L AGOUSTICS COM ARCOUPL ARCBUMP ARCSPLA SOUNDVISION Main components involved in the rigging process of ARCS II SYSTEM ARCSII_RM_EN_1 1 WWW L ACDUSTICS COM ARCS II SYSTEM RIGGING MANUAL VERSION 1 1 2 MECHANICAL SAFETY 2 1 Maximum configurations The ARCS II rigging system has been designed to comply with BGV CI 2012 and EN ISO 12100 1 2004 when flying the Eo arrays With 2 BUMP3 With ARCBUMP With ARCBUMP ei BUE and l LIF
12. or the BUMP3 ARCOUPL assemblies Required number and position of BUMP3 BUMP3 for 2 or 4 ARCS II 2 BUMP3 for 1 3 5 or 6 ARCS II ARCSII_RM_EN_1 1 WWW L ACDUSTICS GCOM A safety pin being removed to detach the dolly board WWW L ACOUSTICS cCOM o L D 0 U O L oO 4 x oO c v K JI L LQ JW 5 so v L 2 Q oO A fi N U ol lt oO Z gt PROCEDURE A Assembling an enclosure array Enclosures placed at the rigging position Adjacent rigging rails aligned 1 1 An ARCOUPL bar being slid from the rear of the array _RM_EN ARCSII ARCS II SYSTEM RIGGING MANUAL VERSION 1 1 B Installing the BUMP3 rigging bar s Required number and position of BUMP3 BUMP3 for 2 or 4 ARCS II 2 BUMP3 for 1 3 5 or 6 ARCS II Preparing the BUMP3 ARCOUPL assemblies For this procedure the BUMP3 ARCOUPL assemblies must have been prepared Refer to PROCEDURE E Attach each of the required BUMP3 ARCOUPL assemblies a Remove the bolt nut pin assembly on the front end of each BUMP3 ARCOUPL assembly Orientation reference for the BUMP3 When installing the BUMP3 the serial number SN plate must be oriented towards the front of the array b Slide each of the BUMP3 ARCOUPL assemblies into their respective location ie into the free top adjacent rails on the
13. pre assembled array from the rear of the array c Secure the front end of each BUMP3 ARCOUPL assembly by reinstalling the bolt the nut and the cotter pin Attach a shackle on each BUMP3 Rigging hole on which securing the shackle Refer to SOUNDVISION modeling to identify the BUMP3 hole that corresponds to the desired tilt angle P BERS ET er O gee 7 ee back al kl VA front soma Men turers WIE eae Cee sea obelbt Se LRA About site angle As many variables can affect the actual site angle it is recommended to use an inclinometer The bolt nut pin assembly removed at the front end of aBUMP3 ARCOUPL assembly The front end of a BUMP3 ARCOUPL A shackle 18mm being assembly secured secured on the BUMP3 ARCSII_RM_EN_1 1 WWW L AGOUSTICS COM C Installing the LIFTBAR rigging bar Attach the LIFTBAR to both BUMP3 a Pass the U shape of one of the 18mm shackles through the shackle attached to one of the BUMP3 b Secure the new shackle to the LIFTBAR by locking its pin through the LIFTBAR hole previously identified c Repeat this step on the other side of the LIFTBAR for the other BUMP3 Attach the 22mm shackle to the top hole on the LIFTBAR gt PROCEDURE C Installing the LIFTBAR The U shape of a shackle 18mm passed through one of the BUMP3 shackle PL Fa ey
14. yonsnadesiesadnasansnnesvausasuennavnaduusounsdsaheswennaansddevebuss 8 B installing the BUMP 3 rissing Dar S nersini r taseca A ka IO C installing the LIF TBAR rigging Dar siz cuncessceensavesccnsasenacassuwnanatasadaeasaesconsecenacnstuesseatasccaqaeaddeacasesenecseaueesostoscssoueeeseousesepecseesdecesteeers H D installing the ARCBUMP vii Ii ANIC ei Get e a S 12 E Preparing the BUMP3 ARCOUPL assem ny isir ie i NEEE an REE AA SEE NETE NENES 14 ARCSII_RM_EN_1 1 WWW L AGOUSTICS COM ARCS II SYSTEM RIGGING MANUAL VERSION 1 1 1 RIGGING SYSTEM The system approach developed by L ACOUSTICS consists in providing packaged solutions for loudspeaker system in order to guarantee the highest and most predictable level of performance at any step modeling installation and operation An L ACOUSTICS loudspeaker system is the set of components available to form any loudspeaker system based on one of the full range loudspeaker enclosure afforded by L ACOUSTICS It includes enclosures rigging accessories loudspeaker cables amplified controllers and software applications The main components involved in the rigging process of the ARCS II SYSTEM are the following I 1 Loudspeaker enclosures ARCS II Full range 2 way active enclosure arrayable in a constant curvature line provided with 2 ARCOUPL bars and 4 D shackles 12mm SB28 High power subwoofer enclosure 1 2 Rigging elements BUMP3 Bar for flying a horizontal array of 2
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