![]() ![]() The calculation for determining the allowable ampacity of the underground conductor is complicated with many design factors that have effects on the thermal performance of the conductor. Duct Bank Calculator is a stand-alone application than automatically calculates total length of conduit, cubic yards of concrete, length of re-bar, length of counterpoise, spacers, warning tape, concrete dye and cubic yards of excavation. concrete-encased duct bank, repairs to damaged conductors are lengthy and costly. (6) Vent-Pipe and Connect (9) Final Inspection. If counts change, you can re-calculate as many times necessary. The guideline covers concrete encased duct banks and manholes for primary (medium voltage) power distribution cables and telecommunications cables. inch concrete encased conduits however, the main ductline shall be designed. After switches, light fixtures, convenience receptacles and occupancy sensors have been counted, simply enter the totals into AutoBranch. Whether it's a $50,000 job or 5,000,000 job, AutoBranch calculates a complete priced and labored bill of material in seconds. AutoBranch instantly changes the hard-wire bill of materials to MC cable. ![]() If ducts are within municipality Right-of-way, it may be required to concrete-encase. ![]() Once counts have been entered, AutoBranch Automatically calculates all the conduit, wire, fittings, conduit supports, boxes, wirenuts, pigtails, fixture whips, tyraps, and low voltage control wire for those circuits. Most duct banks are either a square or rectangle formation. The guideline covers concrete encased duct banks and manholes for primary (medium voltage) power distribution cables and telecommunications cables. All 2x2 duct banks and greater must be concrete encased. I had it at about 385k and I was astonished. Developed by professional estimators that have prepared over 32,000 estimates since 1975, AutoBranch eliminates hours, days and even weeks of estimating time. A few years ago, I had to bid duct banks at a state owned maintenance facility with multiple buildings separated by 1/4 to 3/4 mile. AutoBranch is a branch circuit calculator that's designed to work with single and three phase systems combined and individual neutrals double duplex convenience receptacles continuous rows of fixtures, track lighting, LED rope lighting and convenience receptacles roughed in slab. ![]()
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