View this NCSL web brief that provides an overview of utility submetering policies, including a chart of existing state laws, statutes, regulations and rulings.Wood Sub floors Sub floor must be structurally sound and properly secured with nails or screws every 6 inches along joists to reduce the possibility of squeaking.Wood sub floors must be dry and free of wax, paint, oil, and debris.Replace any water damaged or delaminated sub flooring or underlayments.Additional requirements for flatness are required for floating floors as stated in installation guidelines Preferred sub floors 34 CDX Grade Plywood or 34 OSB PS Rated sub floorunderlayment, sealed side down, with joist spacing of 1.Minimum sub floors 58 CDX Grade Plywood sub floorunderlayment with joist spacing of no more than 1.If joist spacing is greater than 1.Hardwood flooring should be installed perpendicular to flooring joists.If flooring is installed parallel with joists then an additional layer of plywood must be installed to meet minimum requirements of 1 18 Sub floor moisture check.Measure the moisture content of both the sub floor and the hardwood flooring with a pin moisture meter.Sub floors should not exceed 1.The moisture difference between sub floor and hardwood flooring should not exceed 4.If sub floors exceed this amount, an effort should be made to locate and eliminate the source of moisture before further installation.Do not nail or staple over particle board or similar product.Concrete Sub floors Concrete slabs must be of high compressive strength with minimum 3,0.In addition, concrete sub floors must be dry, smooth and free of wax, paint, oil, grease, dirt, non compatible sealers and drywall compound etc.How to inspect the electrical ground system wires, grounding conductors, connectors, ground rods Definition of ground, grounding, grounded, grounding conductor.Engineered hardwood flooring may be installed on, above, andor below grade.Concrete substrates must meet or exceed adhesive manufacturers guidelines for flatness Additional requirements for flatness are required for floating floors as stated in installation guidelines Lightweight concrete that has a dry density of 1.To check for lightweight concrete, draw a nail cross the top.If it leaves an indentation, it is probably lightweight concrete.Commonly accepted methods for wiring a utility controlled meterbase, panel, and grounding system, based on the 2002 National Electrical Code.Nowadays the electric energy demand is constantly increasing, and while the primary energy resources are decreasing, the exploitation of renewable energy sources is.Lightweight concrete can be used if properly treated.Check with the adhesive manufacturer for the proper material to use Concrete sub floors should always be checked for moisture content prior to the installation of wood flooring.Standard moisture tests for concrete sub floors include relative humidity testing, calcium chloride test and calcium carbide test.Measure the moisture content of the concrete slab using a TRAMEX concrete moisture meter.If it reads 4. 5 or above, then this slab must be checked using calcium chloride tests.Flooring should not be laid if the test result exceeds 3 lbs per 1.Please follow the ASTM guideline for concrete moisture testing.How To Install An Electric Sub Meter' title='How To Install An Electric Sub Meter' />
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