Then, pack the white oakum, and re-pour lead or get white oakum and a home depot tube below (NOT RECOMMENDED). http://www.homedepot.com/p/10-3-oz-Plastic-Seal-25...If you have the tools go for it, otherwise, don't bother. 

If it is just leaking at the bottom you can apply a window weather stripping or you can apply a plastic over the whole window.

My guess is this labor is not shown in R&M cost, which was just listed as a flat 5%.Plumbing is a mix of original galvanized and cast iron, and replacement plastic.  

I know this not acceptable so I am thinking I need to remove the debris, spray for mold, paint with mold resultant paint on the joint beams to be safe, lay insulation plastic over the dirt.

A couple of hours later my thermostat started smoking and burnt up melting the plastic and leaving a mark on the wall.

Bought a foreclosure with a wall that appears to be made up of 2x3 walls sandwiched together with some weird hard plastic membrane between them.

I had to do this twice last month in TN.I had them use trenchless technology where they put in a new pipe in both cases.One was for my personal house $3500 and replaced a pipe that was plastic like and maybe 20 years old. 

I arrive & the place is empty except for a couple of plastic patio chairs.

The ink holds fast on them, but the adhesive craps out and the sticker falls off.My latest solution were those plastic key head tags (colored plastic ring with a window in the center for the label). 

@James Oey vinyl is different than laminate...no wear layer, solid except the core is a different more rigid plastic or stone.