This BLaM FK HIDP Mega Prop Pack combines many of the previously separate HIDP (Heavy Industry Development Pack) prop packs and some additonal models created by Fukuda. 

The former packs might have had a few bugs, which were addressed in this combined DAT file. This mega prop packs replaces the following former single prop packs:

- BLaM FK HIDP Prop pack 1 (aka. BLaMFkprops1.dat) (this new megapack directly replaces this upload on the STEX download page)
- BLaM FK HIDP Steel Mill Prop Pack 1 (the old link will redirect to the link of the BLaM FK HIDP Mega Prop Pack)
- BLaM FK HIDP Steel Mill Prop Pack 2 (the old link will redirect to the link of the BLaM FK HIDP Mega Prop Pack)

- The model files of the BLaM HIDP FX Chemicals and BLaM HIDP Messier Dye have been added to this BLaM FK HIDP Mega Prop Pack. 

Installation:

Copy/Extract the BLaM parent folder into your Plugins folder. If you've extracted the ~Documents folder you may remove it from the Plugins, but keep it in a safe location.

It is highly recommended to run the cleanitol with the installer and remove any previous versions from your plugins.
In the ~Documents folder in the main ZIP in the Prop-Texture Catalogue Index and Cleanitol/ folder you will find the individual cleanitol scripts for the model packs of this compilation and by using either the newer nos.17's SC4 Cleanitol or the older BSC Cleanitol tool you can search and remove old and outdated versions of these files.

Quotes from the original descriptions:

Steel Mill Props:
"HIDP (Heavy Industry Development Pack)

Is a large project that relies on making lots and BATs of any type and function to enlarge the possibilities of making (or trying to) realistic large industrial districts.
This is a prop pack which contains steel mill models, from Open Hearth Furnaces to limestone cars, to be used in upcoming monolithic and modular lots, used as a dependency.
The permission of a team administrator (patfirefigthr) has been given to upload the pack after a final test."

HIDP Prop Pack 1:
"This is a prop pack which contains especially vehicles, it also contains some other props, but they are fewer.
This has been thought for lot makers, and I won't use it as a dependency pack in a near future.
The permission of 2 team administrators (op4 and KT3) has been given tu upload the pack after a final test."

Credits:

Original Models and props by Fukuda
Compilation of this MEGA Props Pack by Tyberius06