Greatly thx Honk,
works great, even had a chance to discover, that base vanilla game have similar option to put assembler recipe to requester but in amount of materials needed for one minute of assembler work, as copy-paste function. Yet, this one require to have building that can craft needed ...

I wanna quickly make blueprints of request chest prefiltered with all materials needed to make single given item.

If I select electric circuit, I wanna spawn bp of requester chest that is already requesting iron plate and 3 copper wire.
If I select assembling machine II, I want a bp of chest that ...

Looks like there is no item class/signal for Steam to be used in Combinator, so I cannot make signal alert if there is not enough Steam and working boilers to feed SteamEngines;

imgur.jpg link http://i.imgur.com/J5gIyyY.jpg

My way for resources - endless-resources mod, make the ore infinite, just like oil - weaker over time. You still have to expand and make new outposts, but there is no need to destroy old ones. I cant play without it anymore coz of depleted mines.

The loader - just slow it to the 1/4speed of basic yellow belt - with 2 items pushed at once, on both sides of belt, it will release/collect items with a speed of 3 (? i miss the math here) basic inserters, and that wont be too OP, but still stronger than single fast inserter on line, and still ...