https://twitter.com/ChrisG_NSF/status/1365989479048216579
IROSA preparation
Scheduled for: February 28 | 6AM EST (https://blogs.nasa.gov/spacestation/2021/02/24/astronauts-get-ready-for-spacewalks-after-u-s-cargo-ship-arrives/)
Estimated Duration: 6.5 hours
Starting Location: Quest airlock
Spacewalkers: Rubins (EMU 3015) Glover (EMU 3009)
Relevant Threads
ISS advanced solar array upgrades (iROSA) (https://forum.nasaspaceflight.com/index.php?topic=51528.0)
EVA Steps (from DOUG (https://vrlab.jsc.nasa.gov/doug/flight_packages/) as of 02/10/2021)
1 Pre EVA Configuration
3 EGRESS
4 ---->EV1 Egress Airlock
5 ---->EV1 Recieve and Stow Strut Bag 2 on A/ HR
6 ---->EV1 Recieve and Stow Strut Bag 1 on BRT
7 ---->EV2 Egress Airlock and Stow Strut Bag 2 on BRT
8 ---->EV2 Translate to P1 Bay 12
9 ---->EV2 Attach Anchor Hooks (EV1->HR 3652 EV2->HR 3651)
10 WORK SITE PREP
11 ---->EV2 Translate to and Attach GREEN hook to 2B P6 HR 5309
12 ---->EV1 Translate to P5 HR 5203
13 ---->EV1 Translate zenith to and Attach GREEN hook to 4B P6 HR 5311
14 ---->EV1 Translate to and Stow Strut Bag on P6 HRs 5350-5360
15 ---->EV2 Translate to 2B lEA and Stow Strut Bag on P6 HRs 5305-5307
16 ---->EV2 Open Strut Bag 2 and secure lid then as time permits translate to and do Strut Bag 1
17 ---->EV1 Translate to port CETA Cart WIF 02
18 ---->EV1 Retrieve WIFEX w/ APFR and stow on BRT
19 ---->EV1 Translate to 2B lEA
20 ---->EV1 Install WIFEX n WIF 38 [6,G,5]
21 2B UPPER BRACKET BUILD
22 ---->EV1 Translate to EV2
23 ---->Retrieve and Assemble Right Upper Strut L7 to Mounting Bracket L7 using PGT [B3, CW2]
24 ---->Retrieve and Assemble Left Upper Strut to Center Pad using PGT [B1, CW2]
25 ---->Assemble Left Upper Struts to Mounting Bracket using PGT [B3, CW2]
26 ---->EV2 Torque Right Upper Struts to Mounting Bracket using PGT [B3,CW2]
27 ---->EV2 Move PGT w 7116 to Right Upper Strut HR
28 2B CENTER PAD TO MAST CANISTER
29 ---->EV1 Translate to and Ingress APFR
30 ---->EV2 Transfer Mounting Bracket Assembly w/PGT to EV1
31 ---->EV2 Stow PGT w 5/8 socket on HR 5372
32 ---->EV1 Install center Pad to mast canister using PGT [A2, CW2]
33 ---->EV1 InstallNerify grounding Pip Pins into grounding block and close MLI
34 INSTALL 2B LEFT STRUTS
35 ->Left Lower Strut Install
36 ---->EV1 Retrieve PGT w 7116 Wobble then Egress APFR
37 ---->EV1 Transfer PGT to EV2 then adjust WIFEX to [6,G,1]
38 ---->EV1 Adjust APFR to [12,NN,G,12]
39 ---->EV1 Receive Left Mid Strut from EV2 and stow on BRT
40 ---->EV1 Ingress APFR
41 ---->EV1 Receieve Left Lower Strut from EV2
42 ---->EV2 Translate to SAAB launch bracket and Verify bearing alignment
43 ---->EV2 Install Left Lower Strut M21 to SAAB bracket using PGT [A1,CW1] 4 turns only
44 ---->EV1 Install Left Lower Strut L5 to Mounting Bracket L5 using PGT [B1, CW2] on Bolt M22
45 ---->EV2 Drive M21 to torque using PGT [B7,CW2]
46 ---->EV2 Use PGT in Ratchet to set torque on M21 PGT [Mech, RCW, 30,5] 5/8 x 2 Socket
47 ---->EV2 Stow PGT on HR 5372 and Verify MLI in place
48 ---->EV1 Stow PGT and Install grounding PIP pin to grounding block
49 ->Left Mid Strut Install
50 ---->EV2 Translate to mast canister Left Pad Install location
51 ---->EV1 Retrieve Left Mid Strut from BRT
52 ---->EV1 Release PIP Pins and Extend Side Pad to EV2
53 ---->EV2 Install Left Side Pad to Mast Cansiter using PGT [A2, CW2] then stow PGT
54 ---->EV1 Install Left Mid Strut to Mounting Bracket L8 using PGT [B1, CW2] then stow PGT
55 ---->EV1 Install grounding PIP pin to grounding block
56 INSTALL 2B RIGHT STRUTS, MLI & CLAMPS
57 ->Right Lower Strut Install
58 ---->EV1 Egress APFR and Roll APFR to [12,NN,D,12]
59 ---->EV2 Retrieve Right Mid Strut and Transfer to EV1
60 ---->EV1 Stow Right Mid Strut onto BRT
61 ---->EV1 Ingress APFR
62 ---->EV2 Retrieve then transfer Right Lower Strut to EV1
63 ---->EV2 Translate to mast canister right side SABB launch bracket
64 ---->EV2 Install Right Lower Strut M19 to SABB bracket using PGT [Al, CW1]
65 ---->EV1 Release L6 grounding PIP Pin then drive Bolt L6 to L6 using PGT [B1, CW2]
66 ---->EV2 Drive M19 [B7,CW2]
67 ---->EV1 Stow PGT and Install grounding PIP Pin to grounding block
68 ---->EV2 Use PGT in Ratchet to set torque on M19 [Mech, RCW, 30.5] then leave PGT on HR 5372
69 ->Right Mid Strut Install
70 ---->EV2 Translate to mast canister Right Side Pad install location
71 ---->EV1 Retrieve Right Mid Strut from BRT
72 ---->EV1 Release PIP Pins and Extend Side Pad toward EV2 and install mddle grounding PIP Pin
73 ---->EV2 Install Right Side Pad to mast canister using PGT [A2, CW2]
74 ---->EV1 Install Right Mid Strut L7 to Mounting Bracket L7 using PGT [B1, CW2] then stow PGT
75 ---->EV1 Install grounding PIP pin to grounding block
76 ---->EV2 Drive Adjustment Collar bolts M25 and M26 on Right Mid Strut using PGT [B5, CW2]
77 ---->EV2 Drive Adjustment Collar bolts M29 and M30 on Left Mid Strut using PGT [B5, CW2]
78 ---->EV1 Egress APFR then Close MLI on Struts
79 ---->EV2 Verify middle PIP Pin in final location and MLI covering side pad then Stow PGT on swing arm80 2B-4B TRANSITION
80 2B-4B TRANSITION
81 ---->EV1 Retrieve WIFEX+APFR then Translate to 4B [EA
82 ---->EV1 Install WIFEX in WIF 37 [6,G,5] and Verify APFR [12,SS,F,12]
83 ---->EV2 Retreive PGT from HR 5372 then Translate to 4B lEA
84 ---->EV2 Tether PGT w/ 7116 Wobble Socket to Bag
85 4B UPPER BRACKET BUILD
86 ---->EV1 Translate to Strut Bag and Retrieve Right Upper Strut
87 ---->EV2 Retrieve Mounting Bracket
88 ---->EV1 Install Right Upper Strut L7 to Mounting Bracket L7
89 ---->EV2 Drive Right Upper Strut to Mounting Bracket bolts 4 turns using PGT [B3,CW2]
90 ---->EV1 Retrieve Left Upper Strut and install Strut L8 to Mouting Bracket Left Side
91 ---->EV2 Assemble Left Upper Strut to Center Pad using PGT [B1,CW2]
92 ---->EV2 Drive Left Upper Strut to Mounting Bracket bolt (M15) 4 turns using PGT [B3,CW2]
93 ---->EV2 Drive Left Upper Strut to Mounting Bracket bolts to Torque
94 ---->EV2 Drive Right Upper Strut to Mounting Bracket bolts to Torque
95 ---->EV2 Move PGT w/ 7116 Wobble to HR on Right Upper Strut
96 4B CENTER PAD TO MAST CANISTER
97 ---->EV1 Translate to and Inress APFR
98 ---->EV1 Recieve Upper Triangle from EV2
99 ---->EV2 Stow PGT w 5/8 x 2 Socket on HR 5366
100 ---->EV1 Install Center Pad to Mast Canister using PGT [A2,CW2] Then Stow PGT
101 ---->EV1 Install Left Grounding PIP Pins into Grounding Block
102 ---->EV1 Install MLI over Left Strut/Center Pad intefaces
103 ---->EV1 Verify Right PIP Pin and MLI in place
104 INSTALL 4B RIGHT LOWER STRUT
105 ---->EV1 Retrieve PGT w/ 7116 Wobble then Egress APFR
106 ---->EV2 Recieve PGT from EV1 and Stow on Swingarm
107 ---->EV1 Adjust WIFEX to [6,G,1]
108 ---->EV1 Adjust APFR to [12,NN,C,12]
109 ---->EV1 Ingress APFR
110 ---->EV2 Retrieve Right Lower Strut and Transfer to EV1
111 ---->EV2 Translate to Mast Canister right side SABB launch bracket
112 ---->EV2 Install Right Lower Strut to SABB bracket driving (M19) 4 turns using PGT [A1,CW1]
113 ---->EV1 Install Right Lower Strut L6 to Mounting Bracket L6 using PGT [B1,CW2]
114 ---->EV1 Stow PGT and Install grounding PIP pin to Grounding Block
115 ---->EV1 Secure strut MLI
116 ---->EV2 Drive bolt (M19) to torque with PGT [B7,CW2]
117 ---->EV2 Use PGT in Ratchet to set torque on M19 using [Mech,RCW,30.5]
118 ---->EV2 Stow PGT on HR 5366 and verify lower strut MLI
119 2B-4B CLEANUP
120 ---->EV1 Egress APFR
121 ---->EV1 Inventory Strut Bag1 then Close and Cinch Bag 1
122 ---->EV2 Retrieve PGT from HR 5366 and Stow in Strut Bag 2
123 ---->EV2 Inventory Strut Bag 2 then Close and Cinch Bag 2
124 ---->EV2 Stow Strut Bag 2 on BRT
125 ---->Translate to and Retreive GREEN hooks (EV1->HR 5311, EV2->HR 5309)
126 INGRESS
127 ---->Translate back to AIL
128 ---->EV2 Stow Strut Bag bundle
129 ---->Ingress Airlock
EVA Get Ahead Steps (from DOUG (https://vrlab.jsc.nasa.gov/doug/flight_packages/) as of 02/10/2021)
0 US_EVA_IROSA_Prep_EVA_Get_Aheads Reconfig Dialog
1 Complete 4B Mod Kit
2 ->Right Mid Strut Install
3 ---->EV2 Translate to mast canister Right Pad install location
---->EV1 Retrieve Right Mid Strrut from BRT
5 ---->EV1 Release grounding PIP Pins and Extend Side Pad toward EV2
6 ---->EV2 Install Right Side Pad to mast canister using PGT [A2,CW2]
7 ---->EV1 Install Right Mid Strut L7 to Upper Strut L7 using PGT [B1,CW2]
8 ---->EV1 Install grounding PIP pin to grounding block
9 ->Left Lower Strut Install
10 ---->EV1 Egress and Roll APFR to [12,NN,H,12]
11 ---->EV2 ON MCC GO Retrieve and Transfer Left Mid Strut to EV1
12 ---->EV1 Ingress APFR
13 ---->EV2 Retreive and Transfer Left Lower Strut to EV1
14 ---->EV2 Translate to mast cansiter left side SABB bracket
15 ---->EV2 Verify bearing alignment then install Left Lower Strut (M21) 4 turns to SABB bracket using PGT [A1,CW1]
16 ---->EV1 Install Left Lower Struct L5 to mounting bracket L5 using PGT [B1,CW2]
17 ---->EV2 Drive (M21) to torque using PGT [B7,CW2]
18 ---->EV2 Configure PGT [Mech,RCW,30.5] then use PGT to set torque on (M21)
19 ---->EV2 Put PGT back in MTR and stow on HR 5366
20 ---->EV1 Install grouding PIP pin to grounding block
21 ->Left Mid Strut Install (ON MCC GO)
22 ---->EV2 Translate to mast canister Left Pad Install location
23 ---->EV1 Retrieve Left Mid Strut from BRT and Extend side pad to EV2
24 ---->EV2 Install Left Side Pad to mast canister using PGT [A2,CW2]
25 ---->EV1 Install Left Mid Strut L8 to Upper Strut L8 using PGT [B1,CW2]
26 ---->EV1 Install grounding PIP Pin into grounding block
27 ---->EV1 Egress APFR
28 ->4B Clamps & MLI (ON MCC GO)
29 ---->EV2 Drive Left Mid Strut Adjustment Collar bolts (M29) and (M30) to torque using PGT [B5,CW2]
30 ---->EV1 Close MLI on Left Side Struts
31 ---->EV2 Drive Right Mid Strut Adjustment Collar Bolts (M26) and (M30) to torque using PGT [B5, Cw2]
32 ---->EV1 Close MLI on Right Side Struts
33 ->Worksite Cleanup
34 ---->EV2 Retreive PGT from HR 5366 and Stow in Strut Bag 1
35 ---->EV2 Perform Strut Bag 1 Inventory then Close Bag
36 ---->EV2 Retrieve and stow APFR on BRT
37 ---->EV2 Translate to Strut Bag 2 and perform Inventory
38 ---->EV1 Bundle Strut Bag 1 to WIFEX then Retreive and stow WIFEX on BRT
39 ---->EV1 Translate to P6 HR 5311 to retrieve GREEN hook
40 ---->EV2 Translate to P6 2B WIF 31 install APFR with Settings [12,I1,F,12]
41 ---->EV2 Translate to P6 HR 5309 to Retrieve GREEN hook
42 ---->EV1 Translate to port CETA Cart WIF 3 and install WIFEX with settings [4,-,1]
43 P6 WIF Integrity Check
44 ---->Translate to P6 4B WIF 08 then inspect WIF and report gap status to MCC-H
45 ---->Install APFR into WIF 08 and Check WIF for any motion
46 ---->Retreive APFR and stow on BRT
47 A (P4) SABB Base Joint Restraint
48 ---->Translate to 4A SABB launch restraints
49 ---->Install Wire Ties
50 P4 MMOD Cover Bolt Release
51 ---->Translate to P4 MMOD Cover
52 ---->Release Bolt 3 using PGT [B2,CCW2]
53 ---->Release Bolts 4, 1, 2 using PGT [B2,CCW2]