Specifications include, but are not limited to: 1. Temperature Sensors and Digital Thermometers: 0.5°F accuracy and +/- 0.1°F resolution. 2. Pressure Sensors: Accuracy +/- 2.0% of measured value range. PVC Pipe: ASTM D1785, Schedule 40, polyvinyl chloride (PVC) material.; ASTM A53 Schedule 40 black. Provide protective sheathing or wrapping between metal pipes and sleeves to prevent pipes from corroding. B. Sleeves shall be provided around all pipes through walls, floors, ceilings, partitions, structure members or other building parts. Sleeves through walls and floors shall be standard weight galvanized iron pipe two sizes larger than the pipe or insulation so that pipe or insulation shall pass through freely with space for movement for all piping which passes through masonry or concrete walls or floors. Provide 20 gauge galvanized steel sheet or galvanized pipe sleeves for all piping passing through frame walls.