RES 89175 - Laserfiche WebLink

ale" y - 10.64 Adjustment of Trip Rile Building size - 10.64 x 2 stories x 1,000 sq.ft. It may be necessary to adjust the trip rates provided - 21,280 groM KI.If. herein to rifled the use of alternative medea of This type of c·lcula_tkm could be used for many of transportation, These adjustments would affect pal- the cliffsent building type to estimate the maxi- airily the home-based work (HBVV) tripe. Therefore, mum possible size of building when only the ·mount in making these adjustments, it ie suggested that of land is known. the practitioner estimate the portion of the tripe most likely to be affected by alternative modes, such For resklential lend use, one would use the ·ppll- as the HBW, and adjust this portion of the tripe. One cable zoning code to determine the number of technique for making these adjustments ie provided dwelling units per acre of land (less streets). with the following example calculation for adjusting C,,dINIMkm of Peak Hour Tripe the trip ram for a change in the HaW trip mode for residential and general office lend In nearly all cases, the rates for peak hour enter, exjt, end total tril~ can~ from · different number of studies, and therefore the sum of the'i~fe~l~nte'-~ ing end exiting doe not equal the total. However, SIngle-Family Detached Housing to avoid mistakes in reading the trip generation tables. (Land Usa Code 210) the everage entering and exjUr~j~ates ehq,~ntj.in first column of rates have I~n adjustsKi so ;when Problem: mum or minimum rate have not been adjusted; they between 4 and 6 p.m.) peak our entering end exit- indicate the actual rates. Therefore, the average ing trip rates as · result of I 10% transit Hership adjusted entering or exiting rate may, in fact, some- end an average vehicle occupancy of 1.45 I)ereon· Umes be higher than the maximum measured rite per vehicle for horns-bead work (HBW) tripe, Use because of this adjustment procedure. dwelling units (DU) is me independent vlrilble, . IV I)ml Itlel Table 2 h f f~ Table IV-1, Common Land Use Densities, ITE -1 CommenlJndUN · ~ ~ ' 17,4 employees per ·cre 140 Manufacturing 20.1 employees pet acre ' 1.84 employee~ per 1,000 sf 151 Mini-W~rehouse 2.0 employees per mini-warehouse 170 storage units per acre . 710 General Office Building Under 100,000 sf gfe ' 4.80 employees per ,000 sf g 8 100,000-199,999 sf gfl 4.40 employees per 1,000 sf g Over 2(X),(XX) sf gfa 3.50 em r 1,000 sf 720 Medical Office Building 3.6 empIoyee~ per 1,000 sf gf· ~ee:,___,N:~: Trip generation studies reported heroin. If gfl - square feet groe. J floor Ifll If gll - square feet gro~e leasa/)le Ires Trip Gener/,drl. September 1967/lnltitute of Transportation Engineers 7