Grass Areas, Parking lots, Occasioal Traffic. + Tier 15
Heavy traffic , Road areas AASHTO H-20. Rateing.
Handhole are sized up to 36x72 inches .
Any info that might be helpfull??
YoopersUp

Sounds like that may be a utility primary vault (one required by the POCO) often they have drawings for such on their websites or available if you ask, often taken from the REA manuals. Here is a link (cut and paste into your address bar) to one from one of the POCO's I deal with.

http://www.nvenergy.com/business/ne...ds/electric_standards/images/VB0071U.pdf

Not Utility Conductors are 3-600Kclm plus Ground in 5 inch
HDPE.
Handholes sized By 314.30. per location .
Rated from Light duty to AAHTO H-20.