PEO/PSC ILR application from tier 2

[FUTUREINUK]

Dear Team,

I am currently on Tier 2 General. I want to apply for SET(LR). Please find my immigration history below:

01/Jan/2008 First Visa to the UK granted
16/Oct/2008 First UK Arrival
08/Feb/2010 Tier 4 Approved
16/May/2011 PSW Approved
3/May/2013 Tier 1 50K Submission
19/Jun/2013 Tier 1 50K Refusal
23/Sep/2013 FTT(Granted)
6/Dec/2013 UTT(Granted)
22/Jan/2014 Court of Appeal
3/Mar/2015 COA Refused
13/Mar/2015 Tier 2 Application
17/Apr/2015 Tier 2 Application granted Till 7-6-1018
21/Apr/2016 Curtailed Tier 2 60 days given 26-6-16
21/Jun/2016 Tier 1 Entire. 200K application
29/Jul/2016 Varied To Tier 2
21/Oct/2016 Refused
4/Nov/2016 AR Submitted
29/Nov/2016 AR Refused
2/Dec/2016 Tier 2 Submission
16/Dec/2016 Approved Tier 2 till date

Following questions:

1. May I go for same day Service?
2. Which date can I earliest apply on?
3. My Tier 1 was refused in 2013 and I had 3C by refusal from COA, will it affect on my clock of 10 years?
4. List of Documents required.

Please reply as soon as possible as I need to travel out as soon as I sort this application.