THIS IS AN UNOFFICIAL BLOG OF BC9 PROJECT

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Sunday, May 31, 2009

CRONOLOGY OF LAUNCHER DISMANTLING

STAGE 1 :
1. LOWER DOWN ALL SLIDER EXCEPT ONE SLIDER WHICH IS GOING TO BE USED BY MOVING SUPPORTS.
2. LOWER DOWN ALL HOIST AND ALL COUNTER WEIGHTS EXCEPT TWO FOR FURTHER WORK.
3. SHIFT MIDDLE SUPPORT TO S4D ON NEWLY ERECTED SPAN AND ACTIVATE THAT MIDDLE SUPPORT.

STAGE 2 :
1. OPEN NUTS AND BOLTS AT FRONT SUPPORT AND LET IT FREE AGAINST LOAD FROM LAUNCHER BY USING FRONT SUPPORT'S JACK.
2. DO REVERSE AUTO-LAUNCHING OF 9.25 METRES.

STAGE 3 :
1. LOWER DOWN THE FRONT SUPPORT.
2. ERECT REQUIRED CRIBS WHICH WILL BE SUPPORTING THE CANTILEVER PORTION OF THE LAUNCHER AS SHOWN ON NEXT STAGE.

STAGE 4 :
1. LOOSE THE JOINT OF S1-S2 EXCEPT 20 NUTS AND BOLTS.
2. PLACE CRANE ON PROPOSED POSITION TO LOWER DOWN S1 BOX.
3. LOWER DOWN S1 BOX.

STAGE 5 :
1. DO AUTO-LAUNCHING OF 9.25 METRES.

STAGE 6 :
1. OPEN NUTS AND BOLTS OF JOINT S2-S3.
2. LOWER DOWN S2 BOX.

STAGE 7 :
1. DO AUTO-LAUNCHING OF 9.25 METRES.

STAGE 8 :
1. OPEN NUTS AND BOLTS OF JOINT S2-S3.
2. LOWER DOWN S3 BOX.

STAGE 9 :
1. SHIFT THE REAR SUPPORT AT S2D ON NEWLY ERECTED SPAN AND ACTIVATE IT.
2. DO AUTO-LAUNCHING OF 9.25 METRES.

STAGE 10 :
1. OPEN NUTS AND BOLTS OF JOINT S4-S5.
2. LOWER DOWN S4 BOX.

STAGE 11 :
1. DO AUTO-LAUNCHING OF 9.25 METRES.
2. LOWER THAT REMAINING COUNTER WEIGHTS AND SLIDER.

STAGE 12 :
1. OPEN NUTS AND BOLTS OF JOINT S5-S6.
2. LOWER DOWN S5 BOX.

STAGE 13 :
1. DO REVERSE AUTOLAUNCHING OF 2.025 METRES.

STAGE 14 :
1. ERECT CRIBS AS SHOWN ON DRAWINGS TO LOWER DOWN S7 BOX.

STAGE 15 :
1. OPEN NUTS AND BOLTS OF JOINT S6-S7.
2. LOWER DOWN S7 BOX.

STAGE 16 :
1. LOWER DOWN S6 BOX, REAR TROLLEY, REAR SUPPORT, MIDDLE SUPPORT AND CRIBS.
2. CLEAR SITE, ACCOMPLISH.

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